project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
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|---|---|---|---|---|
qemu | e57ca75ce3b2bd33102573a8c0555d62e1bcfceb | 0 | void ppc_hash64_unmap_hptes(PowerPCCPU *cpu, const ppc_hash_pte64_t *hptes,
hwaddr ptex, int n)
{
if (cpu->env.external_htab == MMU_HASH64_KVM_MANAGED_HPT) {
g_free((void *)hptes);
} else if (!cpu->env.external_htab) {
address_space_unmap(CPU(cpu)->as, (void *)hptes, n * HASH_PTE_SIZE_64,
false, n * HASH_PTE_SIZE_64);
}
}
| 7,970 |
qemu | eabb7b91b36b202b4dac2df2d59d698e3aff197a | 0 | static void tcg_reg_sync(TCGContext *s, TCGReg reg, TCGRegSet allocated_regs)
{
TCGTemp *ts = s->reg_to_temp[reg];
assert(ts->val_type == TEMP_VAL_REG);
if (!ts->mem_coherent && !ts->fixed_reg) {
if (!ts->mem_allocated) {
temp_allocate_frame(s, temp_idx(s, ts));
} else if (ts->indirect_reg) {
tcg_regset_set_reg(allocated_regs, ts->reg);
temp_load(s, ts->mem_base,
tcg_target_available_regs[TCG_TYPE_PTR],
allocated_regs);
}
tcg_out_st(s, ts->type, reg, ts->mem_base->reg, ts->mem_offset);
}
ts->mem_coherent = 1;
}
| 7,971 |
qemu | 30ca440eec9fe1d7eec5a48addac656438778278 | 0 | static QOSState *pci_test_start(int socket)
{
const char *cmd = "-netdev socket,fd=%d,id=hs0 -device "
"virtio-net-pci,netdev=hs0";
return qtest_pc_boot(cmd, socket);
}
| 7,973 |
qemu | 82516263cead40ac240ae5fb2a6f5fc0fda9614c | 0 | static int spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset,
sPAPRPHBState *sphb)
{
ResourceProps rp;
bool is_bridge = false;
int pci_status, err;
char *buf = NULL;
uint32_t drc_index = spapr_phb_get_pci_drc_index(sphb, dev);
uint32_t ccode = pci_default_read_config(dev, PCI_CLASS_PROG, 3);
uint32_t max_msi, max_msix;
if (pci_default_read_config(dev, PCI_HEADER_TYPE, 1) ==
PCI_HEADER_TYPE_BRIDGE) {
is_bridge = true;
}
/* in accordance with PAPR+ v2.7 13.6.3, Table 181 */
_FDT(fdt_setprop_cell(fdt, offset, "vendor-id",
pci_default_read_config(dev, PCI_VENDOR_ID, 2)));
_FDT(fdt_setprop_cell(fdt, offset, "device-id",
pci_default_read_config(dev, PCI_DEVICE_ID, 2)));
_FDT(fdt_setprop_cell(fdt, offset, "revision-id",
pci_default_read_config(dev, PCI_REVISION_ID, 1)));
_FDT(fdt_setprop_cell(fdt, offset, "class-code", ccode));
if (pci_default_read_config(dev, PCI_INTERRUPT_PIN, 1)) {
_FDT(fdt_setprop_cell(fdt, offset, "interrupts",
pci_default_read_config(dev, PCI_INTERRUPT_PIN, 1)));
}
if (!is_bridge) {
_FDT(fdt_setprop_cell(fdt, offset, "min-grant",
pci_default_read_config(dev, PCI_MIN_GNT, 1)));
_FDT(fdt_setprop_cell(fdt, offset, "max-latency",
pci_default_read_config(dev, PCI_MAX_LAT, 1)));
}
if (pci_default_read_config(dev, PCI_SUBSYSTEM_ID, 2)) {
_FDT(fdt_setprop_cell(fdt, offset, "subsystem-id",
pci_default_read_config(dev, PCI_SUBSYSTEM_ID, 2)));
}
if (pci_default_read_config(dev, PCI_SUBSYSTEM_VENDOR_ID, 2)) {
_FDT(fdt_setprop_cell(fdt, offset, "subsystem-vendor-id",
pci_default_read_config(dev, PCI_SUBSYSTEM_VENDOR_ID, 2)));
}
_FDT(fdt_setprop_cell(fdt, offset, "cache-line-size",
pci_default_read_config(dev, PCI_CACHE_LINE_SIZE, 1)));
/* the following fdt cells are masked off the pci status register */
pci_status = pci_default_read_config(dev, PCI_STATUS, 2);
_FDT(fdt_setprop_cell(fdt, offset, "devsel-speed",
PCI_STATUS_DEVSEL_MASK & pci_status));
if (pci_status & PCI_STATUS_FAST_BACK) {
_FDT(fdt_setprop(fdt, offset, "fast-back-to-back", NULL, 0));
}
if (pci_status & PCI_STATUS_66MHZ) {
_FDT(fdt_setprop(fdt, offset, "66mhz-capable", NULL, 0));
}
if (pci_status & PCI_STATUS_UDF) {
_FDT(fdt_setprop(fdt, offset, "udf-supported", NULL, 0));
}
_FDT(fdt_setprop_string(fdt, offset, "name",
pci_find_device_name((ccode >> 16) & 0xff,
(ccode >> 8) & 0xff,
ccode & 0xff)));
buf = spapr_phb_get_loc_code(sphb, dev);
if (!buf) {
error_report("Failed setting the ibm,loc-code");
return -1;
}
err = fdt_setprop_string(fdt, offset, "ibm,loc-code", buf);
g_free(buf);
if (err < 0) {
return err;
}
if (drc_index) {
_FDT(fdt_setprop_cell(fdt, offset, "ibm,my-drc-index", drc_index));
}
_FDT(fdt_setprop_cell(fdt, offset, "#address-cells",
RESOURCE_CELLS_ADDRESS));
_FDT(fdt_setprop_cell(fdt, offset, "#size-cells",
RESOURCE_CELLS_SIZE));
max_msi = msi_nr_vectors_allocated(dev);
if (max_msi) {
_FDT(fdt_setprop_cell(fdt, offset, "ibm,req#msi", max_msi));
}
max_msix = dev->msix_entries_nr;
if (max_msix) {
_FDT(fdt_setprop_cell(fdt, offset, "ibm,req#msi-x", max_msix));
}
populate_resource_props(dev, &rp);
_FDT(fdt_setprop(fdt, offset, "reg", (uint8_t *)rp.reg, rp.reg_len));
_FDT(fdt_setprop(fdt, offset, "assigned-addresses",
(uint8_t *)rp.assigned, rp.assigned_len));
if (pci_is_express(dev)) {
_FDT(fdt_setprop_cell(fdt, offset, "ibm,pci-config-space-type", 0x1));
}
return 0;
}
| 7,974 |
qemu | ddca7f86ac022289840e0200fd4050b2b58e9176 | 0 | static int v9fs_xattr_write(V9fsState *s, V9fsPDU *pdu, V9fsFidState *fidp,
uint64_t off, uint32_t count,
struct iovec *sg, int cnt)
{
int i, to_copy;
ssize_t err = 0;
int write_count;
int64_t xattr_len;
size_t offset = 7;
xattr_len = fidp->fs.xattr.len;
write_count = xattr_len - off;
if (write_count > count) {
write_count = count;
} else if (write_count < 0) {
/*
* write beyond XATTR value len specified in
* xattrcreate
*/
err = -ENOSPC;
goto out;
}
offset += pdu_marshal(pdu, offset, "d", write_count);
err = offset;
fidp->fs.xattr.copied_len += write_count;
/*
* Now copy the content from sg list
*/
for (i = 0; i < cnt; i++) {
if (write_count > sg[i].iov_len) {
to_copy = sg[i].iov_len;
} else {
to_copy = write_count;
}
memcpy((char *)fidp->fs.xattr.value + off, sg[i].iov_base, to_copy);
/* updating vs->off since we are not using below */
off += to_copy;
write_count -= to_copy;
}
out:
return err;
}
| 7,975 |
qemu | b8d834a00fa3ed4dad7d371e1a00938a126a54a0 | 0 | static int x86_cpu_filter_features(X86CPU *cpu)
{
CPUX86State *env = &cpu->env;
FeatureWord w;
int rv = 0;
for (w = 0; w < FEATURE_WORDS; w++) {
uint32_t host_feat =
x86_cpu_get_supported_feature_word(w, false);
uint32_t requested_features = env->features[w];
env->features[w] &= host_feat;
cpu->filtered_features[w] = requested_features & ~env->features[w];
if (cpu->filtered_features[w]) {
rv = 1;
}
}
return rv;
}
| 7,976 |
FFmpeg | 53c05b1eacd5f7dbfa3651b45e797adaea0a5ff8 | 0 | static int decode_mb(H264Context *h){
MpegEncContext * const s = &h->s;
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
int mb_type, partition_count, cbp;
s->dsp.clear_blocks(h->mb); //FIXME avoid if allready clear (move after skip handlong?
tprintf("pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
cbp = 0; /* avoid warning. FIXME: find a solution without slowing
down the code */
if(h->slice_type != I_TYPE && h->slice_type != SI_TYPE){
if(s->mb_skip_run==-1)
s->mb_skip_run= get_ue_golomb(&s->gb);
if (s->mb_skip_run--) {
int mx, my;
/* skip mb */
//FIXME b frame
mb_type= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0;
memset(h->non_zero_count[mb_xy], 0, 16+4+4);
memset(h->non_zero_count_cache + 8, 0, 8*5); //FIXME ugly, remove pfui
if(h->sps.mb_aff && s->mb_skip_run==0 && (s->mb_y&1)==0){
h->mb_field_decoding_flag= get_bits1(&s->gb);
}
if(h->mb_field_decoding_flag)
mb_type|= MB_TYPE_INTERLACED;
fill_caches(h, mb_type); //FIXME check what is needed and what not ...
pred_pskip_motion(h, &mx, &my);
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
fill_rectangle( h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4);
write_back_motion(h, mb_type);
s->current_picture.mb_type[mb_xy]= mb_type; //FIXME SKIP type
s->current_picture.qscale_table[mb_xy]= s->qscale;
h->slice_table[ mb_xy ]= h->slice_num;
h->prev_mb_skiped= 1;
return 0;
}
}
if(h->sps.mb_aff /* && !field pic FIXME needed? */){
if((s->mb_y&1)==0)
h->mb_field_decoding_flag = get_bits1(&s->gb);
}else
h->mb_field_decoding_flag=0; //FIXME som ed note ?!
h->prev_mb_skiped= 0;
mb_type= get_ue_golomb(&s->gb);
if(h->slice_type == B_TYPE){
if(mb_type < 23){
partition_count= b_mb_type_info[mb_type].partition_count;
mb_type= b_mb_type_info[mb_type].type;
}else{
mb_type -= 23;
goto decode_intra_mb;
}
}else if(h->slice_type == P_TYPE /*|| h->slice_type == SP_TYPE */){
if(mb_type < 5){
partition_count= p_mb_type_info[mb_type].partition_count;
mb_type= p_mb_type_info[mb_type].type;
}else{
mb_type -= 5;
goto decode_intra_mb;
}
}else{
assert(h->slice_type == I_TYPE);
decode_intra_mb:
if(mb_type > 25){
av_log(h->s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice to large at %d %d\n", mb_type, av_get_pict_type_char(h->slice_type), s->mb_x, s->mb_y);
return -1;
}
partition_count=0;
cbp= i_mb_type_info[mb_type].cbp;
h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
mb_type= i_mb_type_info[mb_type].type;
}
if(h->mb_field_decoding_flag)
mb_type |= MB_TYPE_INTERLACED;
s->current_picture.mb_type[mb_xy]= mb_type;
h->slice_table[ mb_xy ]= h->slice_num;
if(IS_INTRA_PCM(mb_type)){
const uint8_t *ptr;
int x, y;
// we assume these blocks are very rare so we dont optimize it
align_get_bits(&s->gb);
ptr= s->gb.buffer + get_bits_count(&s->gb);
for(y=0; y<16; y++){
const int index= 4*(y&3) + 64*(y>>2);
for(x=0; x<16; x++){
h->mb[index + (x&3) + 16*(x>>2)]= *(ptr++);
}
}
for(y=0; y<8; y++){
const int index= 256 + 4*(y&3) + 32*(y>>2);
for(x=0; x<8; x++){
h->mb[index + (x&3) + 16*(x>>2)]= *(ptr++);
}
}
for(y=0; y<8; y++){
const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
for(x=0; x<8; x++){
h->mb[index + (x&3) + 16*(x>>2)]= *(ptr++);
}
}
skip_bits(&s->gb, 384); //FIXME check /fix the bitstream readers
memset(h->non_zero_count[mb_xy], 16, 16+4+4);
s->current_picture.qscale_table[mb_xy]= s->qscale;
return 0;
}
fill_caches(h, mb_type);
//mb_pred
if(IS_INTRA(mb_type)){
// init_top_left_availability(h);
if(IS_INTRA4x4(mb_type)){
int i;
// fill_intra4x4_pred_table(h);
for(i=0; i<16; i++){
const int mode_coded= !get_bits1(&s->gb);
const int predicted_mode= pred_intra_mode(h, i);
int mode;
if(mode_coded){
const int rem_mode= get_bits(&s->gb, 3);
if(rem_mode<predicted_mode)
mode= rem_mode;
else
mode= rem_mode + 1;
}else{
mode= predicted_mode;
}
h->intra4x4_pred_mode_cache[ scan8[i] ] = mode;
}
write_back_intra_pred_mode(h);
if( check_intra4x4_pred_mode(h) < 0)
return -1;
}else{
h->intra16x16_pred_mode= check_intra_pred_mode(h, h->intra16x16_pred_mode);
if(h->intra16x16_pred_mode < 0)
return -1;
}
h->chroma_pred_mode= get_ue_golomb(&s->gb);
h->chroma_pred_mode= check_intra_pred_mode(h, h->chroma_pred_mode);
if(h->chroma_pred_mode < 0)
return -1;
}else if(partition_count==4){
int i, j, sub_partition_count[4], list, ref[2][4];
if(h->slice_type == B_TYPE){
for(i=0; i<4; i++){
h->sub_mb_type[i]= get_ue_golomb(&s->gb);
if(h->sub_mb_type[i] >=13){
av_log(h->s.avctx, AV_LOG_ERROR, "B sub_mb_type %d out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
return -1;
}
sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
}
}else{
assert(h->slice_type == P_TYPE || h->slice_type == SP_TYPE); //FIXME SP correct ?
for(i=0; i<4; i++){
h->sub_mb_type[i]= get_ue_golomb(&s->gb);
if(h->sub_mb_type[i] >=4){
av_log(h->s.avctx, AV_LOG_ERROR, "P sub_mb_type %d out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
return -1;
}
sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
}
}
for(list=0; list<2; list++){
const int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
if(ref_count == 0) continue;
for(i=0; i<4; i++){
if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
ref[list][i] = get_te0_golomb(&s->gb, ref_count); //FIXME init to 0 before and skip?
}else{
//FIXME
ref[list][i] = -1;
}
}
}
for(list=0; list<2; list++){
const int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
if(ref_count == 0) continue;
for(i=0; i<4; i++){
h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ]=
h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
const int sub_mb_type= h->sub_mb_type[i];
const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
for(j=0; j<sub_partition_count[i]; j++){
int mx, my;
const int index= 4*i + block_width*j;
int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
mx += get_se_golomb(&s->gb);
my += get_se_golomb(&s->gb);
tprintf("final mv:%d %d\n", mx, my);
if(IS_SUB_8X8(sub_mb_type)){
mv_cache[ 0 ][0]= mv_cache[ 1 ][0]=
mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
mv_cache[ 0 ][1]= mv_cache[ 1 ][1]=
mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
}else if(IS_SUB_8X4(sub_mb_type)){
mv_cache[ 0 ][0]= mv_cache[ 1 ][0]= mx;
mv_cache[ 0 ][1]= mv_cache[ 1 ][1]= my;
}else if(IS_SUB_4X8(sub_mb_type)){
mv_cache[ 0 ][0]= mv_cache[ 8 ][0]= mx;
mv_cache[ 0 ][1]= mv_cache[ 8 ][1]= my;
}else{
assert(IS_SUB_4X4(sub_mb_type));
mv_cache[ 0 ][0]= mx;
mv_cache[ 0 ][1]= my;
}
}
}else{
uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
p[0] = p[1]=
p[8] = p[9]= 0;
}
}
}
}else if(!IS_DIRECT(mb_type)){
int list, mx, my, i;
//FIXME we should set ref_idx_l? to 0 if we use that later ...
if(IS_16X16(mb_type)){
for(list=0; list<2; list++){
if(h->ref_count[0]>0){
if(IS_DIR(mb_type, 0, list)){
const int val= get_te0_golomb(&s->gb, h->ref_count[list]);
fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1);
}
}
}
for(list=0; list<2; list++){
if(IS_DIR(mb_type, 0, list)){
pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
mx += get_se_golomb(&s->gb);
my += get_se_golomb(&s->gb);
tprintf("final mv:%d %d\n", mx, my);
fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
}
}
}
else if(IS_16X8(mb_type)){
for(list=0; list<2; list++){
if(h->ref_count[list]>0){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){
const int val= get_te0_golomb(&s->gb, h->ref_count[list]);
fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1);
}
}
}
}
for(list=0; list<2; list++){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){
pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
mx += get_se_golomb(&s->gb);
my += get_se_golomb(&s->gb);
tprintf("final mv:%d %d\n", mx, my);
fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
}
}
}
}else{
assert(IS_8X16(mb_type));
for(list=0; list<2; list++){
if(h->ref_count[list]>0){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){ //FIXME optimize
const int val= get_te0_golomb(&s->gb, h->ref_count[list]);
fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1);
}
}
}
}
for(list=0; list<2; list++){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){
pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
mx += get_se_golomb(&s->gb);
my += get_se_golomb(&s->gb);
tprintf("final mv:%d %d\n", mx, my);
fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
}
}
}
}
}
if(IS_INTER(mb_type))
write_back_motion(h, mb_type);
if(!IS_INTRA16x16(mb_type)){
cbp= get_ue_golomb(&s->gb);
if(cbp > 47){
av_log(h->s.avctx, AV_LOG_ERROR, "cbp too large (%d) at %d %d\n", cbp, s->mb_x, s->mb_y);
return -1;
}
if(IS_INTRA4x4(mb_type))
cbp= golomb_to_intra4x4_cbp[cbp];
else
cbp= golomb_to_inter_cbp[cbp];
}
if(cbp || IS_INTRA16x16(mb_type)){
int i8x8, i4x4, chroma_idx;
int chroma_qp, dquant;
GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;
const uint8_t *scan, *dc_scan;
// fill_non_zero_count_cache(h);
if(IS_INTERLACED(mb_type)){
scan= field_scan;
dc_scan= luma_dc_field_scan;
}else{
scan= zigzag_scan;
dc_scan= luma_dc_zigzag_scan;
}
dquant= get_se_golomb(&s->gb);
if( dquant > 25 || dquant < -26 ){
av_log(h->s.avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, s->mb_x, s->mb_y);
return -1;
}
s->qscale += dquant;
if(((unsigned)s->qscale) > 51){
if(s->qscale<0) s->qscale+= 52;
else s->qscale-= 52;
}
h->chroma_qp= chroma_qp= get_chroma_qp(h, s->qscale);
if(IS_INTRA16x16(mb_type)){
if( decode_residual(h, h->intra_gb_ptr, h->mb, LUMA_DC_BLOCK_INDEX, dc_scan, s->qscale, 16) < 0){
return -1; //FIXME continue if partotioned and other retirn -1 too
}
assert((cbp&15) == 0 || (cbp&15) == 15);
if(cbp&15){
for(i8x8=0; i8x8<4; i8x8++){
for(i4x4=0; i4x4<4; i4x4++){
const int index= i4x4 + 4*i8x8;
if( decode_residual(h, h->intra_gb_ptr, h->mb + 16*index, index, scan + 1, s->qscale, 15) < 0 ){
return -1;
}
}
}
}else{
fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
}
}else{
for(i8x8=0; i8x8<4; i8x8++){
if(cbp & (1<<i8x8)){
for(i4x4=0; i4x4<4; i4x4++){
const int index= i4x4 + 4*i8x8;
if( decode_residual(h, gb, h->mb + 16*index, index, scan, s->qscale, 16) <0 ){
return -1;
}
}
}else{
uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
}
}
}
if(cbp&0x30){
for(chroma_idx=0; chroma_idx<2; chroma_idx++)
if( decode_residual(h, gb, h->mb + 256 + 16*4*chroma_idx, CHROMA_DC_BLOCK_INDEX, chroma_dc_scan, chroma_qp, 4) < 0){
return -1;
}
}
if(cbp&0x20){
for(chroma_idx=0; chroma_idx<2; chroma_idx++){
for(i4x4=0; i4x4<4; i4x4++){
const int index= 16 + 4*chroma_idx + i4x4;
if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, chroma_qp, 15) < 0){
return -1;
}
}
}
}else{
uint8_t * const nnz= &h->non_zero_count_cache[0];
nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
}
}else{
memset(&h->non_zero_count_cache[8], 0, 8*5);
}
s->current_picture.qscale_table[mb_xy]= s->qscale;
write_back_non_zero_count(h);
return 0;
}
| 7,978 |
FFmpeg | ff9db5cfd14558df9cfcc54d6c062bc34bf1f341 | 0 | static void decode_vui(GetBitContext *gb, AVCodecContext *avctx,
int apply_defdispwin, HEVCSPS *sps)
{
VUI *vui = &sps->vui;
int sar_present;
av_log(avctx, AV_LOG_DEBUG, "Decoding VUI\n");
sar_present = get_bits1(gb);
if (sar_present) {
uint8_t sar_idx = get_bits(gb, 8);
if (sar_idx < FF_ARRAY_ELEMS(vui_sar))
vui->sar = vui_sar[sar_idx];
else if (sar_idx == 255) {
vui->sar.num = get_bits(gb, 16);
vui->sar.den = get_bits(gb, 16);
} else
av_log(avctx, AV_LOG_WARNING,
"Unknown SAR index: %u.\n", sar_idx);
}
vui->overscan_info_present_flag = get_bits1(gb);
if (vui->overscan_info_present_flag)
vui->overscan_appropriate_flag = get_bits1(gb);
vui->video_signal_type_present_flag = get_bits1(gb);
if (vui->video_signal_type_present_flag) {
vui->video_format = get_bits(gb, 3);
vui->video_full_range_flag = get_bits1(gb);
vui->colour_description_present_flag = get_bits1(gb);
if (vui->video_full_range_flag && sps->pix_fmt == AV_PIX_FMT_YUV420P)
sps->pix_fmt = AV_PIX_FMT_YUVJ420P;
if (vui->colour_description_present_flag) {
vui->colour_primaries = get_bits(gb, 8);
vui->transfer_characteristic = get_bits(gb, 8);
vui->matrix_coeffs = get_bits(gb, 8);
// Set invalid values to "unspecified"
if (vui->colour_primaries >= AVCOL_PRI_NB)
vui->colour_primaries = AVCOL_PRI_UNSPECIFIED;
if (vui->transfer_characteristic >= AVCOL_TRC_NB)
vui->transfer_characteristic = AVCOL_TRC_UNSPECIFIED;
if (vui->matrix_coeffs >= AVCOL_SPC_NB)
vui->matrix_coeffs = AVCOL_SPC_UNSPECIFIED;
}
}
vui->chroma_loc_info_present_flag = get_bits1(gb);
if (vui->chroma_loc_info_present_flag) {
vui->chroma_sample_loc_type_top_field = get_ue_golomb_long(gb);
vui->chroma_sample_loc_type_bottom_field = get_ue_golomb_long(gb);
}
vui->neutra_chroma_indication_flag = get_bits1(gb);
vui->field_seq_flag = get_bits1(gb);
vui->frame_field_info_present_flag = get_bits1(gb);
vui->default_display_window_flag = get_bits1(gb);
if (vui->default_display_window_flag) {
//TODO: * 2 is only valid for 420
vui->def_disp_win.left_offset = get_ue_golomb_long(gb) * 2;
vui->def_disp_win.right_offset = get_ue_golomb_long(gb) * 2;
vui->def_disp_win.top_offset = get_ue_golomb_long(gb) * 2;
vui->def_disp_win.bottom_offset = get_ue_golomb_long(gb) * 2;
if (apply_defdispwin &&
avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) {
av_log(avctx, AV_LOG_DEBUG,
"discarding vui default display window, "
"original values are l:%u r:%u t:%u b:%u\n",
vui->def_disp_win.left_offset,
vui->def_disp_win.right_offset,
vui->def_disp_win.top_offset,
vui->def_disp_win.bottom_offset);
vui->def_disp_win.left_offset =
vui->def_disp_win.right_offset =
vui->def_disp_win.top_offset =
vui->def_disp_win.bottom_offset = 0;
}
}
vui->vui_timing_info_present_flag = get_bits1(gb);
if (vui->vui_timing_info_present_flag) {
vui->vui_num_units_in_tick = get_bits_long(gb, 32);
vui->vui_time_scale = get_bits_long(gb, 32);
vui->vui_poc_proportional_to_timing_flag = get_bits1(gb);
if (vui->vui_poc_proportional_to_timing_flag)
vui->vui_num_ticks_poc_diff_one_minus1 = get_ue_golomb_long(gb);
vui->vui_hrd_parameters_present_flag = get_bits1(gb);
if (vui->vui_hrd_parameters_present_flag)
decode_hrd(gb, 1, sps->max_sub_layers);
}
vui->bitstream_restriction_flag = get_bits1(gb);
if (vui->bitstream_restriction_flag) {
vui->tiles_fixed_structure_flag = get_bits1(gb);
vui->motion_vectors_over_pic_boundaries_flag = get_bits1(gb);
vui->restricted_ref_pic_lists_flag = get_bits1(gb);
vui->min_spatial_segmentation_idc = get_ue_golomb_long(gb);
vui->max_bytes_per_pic_denom = get_ue_golomb_long(gb);
vui->max_bits_per_min_cu_denom = get_ue_golomb_long(gb);
vui->log2_max_mv_length_horizontal = get_ue_golomb_long(gb);
vui->log2_max_mv_length_vertical = get_ue_golomb_long(gb);
}
}
| 7,979 |
FFmpeg | 5c8467a07c654f6acd9e8e3a436cd5b746bb2f44 | 1 | static int ivf_write_trailer(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
if (pb->seekable) {
IVFEncContext *ctx = s->priv_data;
size_t end = avio_tell(pb);
avio_seek(pb, 24, SEEK_SET);
avio_wl64(pb, ctx->frame_cnt * ctx->sum_delta_pts / (ctx->frame_cnt - 1));
avio_seek(pb, end, SEEK_SET);
}
return 0;
}
| 7,981 |
qemu | 98448f58c10033a0f7fcd0673cce4626506403fa | 1 | static int main_loop(void)
{
int ret, timeout;
#ifdef CONFIG_PROFILER
int64_t ti;
#endif
CPUState *env;
cur_cpu = first_cpu;
next_cpu = cur_cpu->next_cpu ?: first_cpu;
for(;;) {
if (vm_running) {
for(;;) {
/* get next cpu */
env = next_cpu;
#ifdef CONFIG_PROFILER
ti = profile_getclock();
#endif
if (use_icount) {
int64_t count;
int decr;
qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
env->icount_decr.u16.low = 0;
env->icount_extra = 0;
count = qemu_next_deadline();
count = (count + (1 << icount_time_shift) - 1)
>> icount_time_shift;
qemu_icount += count;
decr = (count > 0xffff) ? 0xffff : count;
count -= decr;
env->icount_decr.u16.low = decr;
env->icount_extra = count;
}
ret = cpu_exec(env);
#ifdef CONFIG_PROFILER
qemu_time += profile_getclock() - ti;
#endif
if (use_icount) {
/* Fold pending instructions back into the
instruction counter, and clear the interrupt flag. */
qemu_icount -= (env->icount_decr.u16.low
+ env->icount_extra);
env->icount_decr.u32 = 0;
env->icount_extra = 0;
}
next_cpu = env->next_cpu ?: first_cpu;
if (event_pending && likely(ret != EXCP_DEBUG)) {
ret = EXCP_INTERRUPT;
event_pending = 0;
break;
}
if (ret == EXCP_HLT) {
/* Give the next CPU a chance to run. */
cur_cpu = env;
continue;
}
if (ret != EXCP_HALTED)
break;
/* all CPUs are halted ? */
if (env == cur_cpu)
break;
}
cur_cpu = env;
if (shutdown_requested) {
ret = EXCP_INTERRUPT;
if (no_shutdown) {
vm_stop(0);
no_shutdown = 0;
}
else
break;
}
if (reset_requested) {
reset_requested = 0;
qemu_system_reset();
ret = EXCP_INTERRUPT;
}
if (powerdown_requested) {
powerdown_requested = 0;
qemu_system_powerdown();
ret = EXCP_INTERRUPT;
}
if (unlikely(ret == EXCP_DEBUG)) {
vm_stop(EXCP_DEBUG);
}
/* If all cpus are halted then wait until the next IRQ */
/* XXX: use timeout computed from timers */
if (ret == EXCP_HALTED) {
if (use_icount) {
int64_t add;
int64_t delta;
/* Advance virtual time to the next event. */
if (use_icount == 1) {
/* When not using an adaptive execution frequency
we tend to get badly out of sync with real time,
so just delay for a reasonable amount of time. */
delta = 0;
} else {
delta = cpu_get_icount() - cpu_get_clock();
}
if (delta > 0) {
/* If virtual time is ahead of real time then just
wait for IO. */
timeout = (delta / 1000000) + 1;
} else {
/* Wait for either IO to occur or the next
timer event. */
add = qemu_next_deadline();
/* We advance the timer before checking for IO.
Limit the amount we advance so that early IO
activity won't get the guest too far ahead. */
if (add > 10000000)
add = 10000000;
delta += add;
add = (add + (1 << icount_time_shift) - 1)
>> icount_time_shift;
qemu_icount += add;
timeout = delta / 1000000;
if (timeout < 0)
timeout = 0;
}
} else {
timeout = 10;
}
} else {
timeout = 0;
}
} else {
if (shutdown_requested)
break;
timeout = 10;
}
#ifdef CONFIG_PROFILER
ti = profile_getclock();
#endif
main_loop_wait(timeout);
#ifdef CONFIG_PROFILER
dev_time += profile_getclock() - ti;
#endif
}
cpu_disable_ticks();
return ret;
}
| 7,983 |
qemu | e980f2bf0a39cb524259bb70084e0f75b92c8f39 | 1 | int acpi_table_add(const QemuOpts *opts)
{
AcpiTableOptions *hdrs = NULL;
Error *err = NULL;
char **pathnames = NULL;
char **cur;
size_t len, start, allen;
bool has_header;
int changed;
int r;
struct acpi_table_header hdr;
char unsigned *table_start;
{
OptsVisitor *ov;
ov = opts_visitor_new(opts);
visit_type_AcpiTableOptions(opts_get_visitor(ov), &hdrs, NULL, &err);
opts_visitor_cleanup(ov);
}
if (err) {
goto out;
}
if (hdrs->has_file == hdrs->has_data) {
error_setg(&err, "'-acpitable' requires one of 'data' or 'file'");
goto out;
}
has_header = hdrs->has_file;
pathnames = g_strsplit(hdrs->has_file ? hdrs->file : hdrs->data, ":", 0);
if (pathnames == NULL || pathnames[0] == NULL) {
error_setg(&err, "'-acpitable' requires at least one pathname");
goto out;
}
if (!acpi_tables) {
allen = sizeof(uint16_t);
acpi_tables = g_malloc0(allen);
} else {
allen = acpi_tables_len;
}
start = allen;
acpi_tables = g_realloc(acpi_tables, start + ACPI_TABLE_HDR_SIZE);
allen += has_header ? ACPI_TABLE_PFX_SIZE : ACPI_TABLE_HDR_SIZE;
/* now read in the data files, reallocating buffer as needed */
for (cur = pathnames; *cur; ++cur) {
int fd = open(*cur, O_RDONLY | O_BINARY);
if (fd < 0) {
error_setg(&err, "can't open file %s: %s", *cur, strerror(errno));
goto out;
}
for (;;) {
char unsigned data[8192];
r = read(fd, data, sizeof(data));
if (r == 0) {
break;
} else if (r > 0) {
acpi_tables = g_realloc(acpi_tables, allen + r);
memcpy(acpi_tables + allen, data, r);
allen += r;
} else if (errno != EINTR) {
error_setg(&err, "can't read file %s: %s",
*cur, strerror(errno));
close(fd);
goto out;
}
}
close(fd);
}
/* now fill in the header fields */
table_start = acpi_tables + start; /* start of the table */
changed = 0;
/* copy the header to temp place to align the fields */
memcpy(&hdr, has_header ? table_start : dfl_hdr, ACPI_TABLE_HDR_SIZE);
/* length of the table minus our prefix */
len = allen - start - ACPI_TABLE_PFX_SIZE;
hdr._length = cpu_to_le16(len);
if (hdrs->has_sig) {
/* strncpy is justified: the field need not be NUL-terminated. */
strncpy(hdr.sig, hdrs->sig, sizeof(hdr.sig));
++changed;
}
/* length of the table including header, in bytes */
if (has_header) {
unsigned long val;
/* check if actual length is correct */
val = le32_to_cpu(hdr.length);
if (val != len) {
fprintf(stderr,
"warning: acpitable has wrong length,"
" header says %lu, actual size %zu bytes\n",
val, len);
++changed;
}
}
/* we may avoid putting length here if has_header is true */
hdr.length = cpu_to_le32(len);
if (hdrs->has_rev) {
hdr.revision = hdrs->rev;
++changed;
}
if (hdrs->has_oem_id) {
/* strncpy is justified: the field need not be NUL-terminated. */
strncpy(hdr.oem_id, hdrs->oem_id, sizeof(hdr.oem_id));
++changed;
}
if (hdrs->has_oem_table_id) {
/* strncpy is justified: the field need not be NUL-terminated. */
strncpy(hdr.oem_table_id, hdrs->oem_table_id,
sizeof(hdr.oem_table_id));
++changed;
}
if (hdrs->has_oem_rev) {
hdr.oem_revision = cpu_to_le32(hdrs->oem_rev);
++changed;
}
if (hdrs->has_asl_compiler_id) {
/* strncpy is justified: the field need not be NUL-terminated. */
strncpy(hdr.asl_compiler_id, hdrs->asl_compiler_id,
sizeof(hdr.asl_compiler_id));
++changed;
}
if (hdrs->has_asl_compiler_rev) {
hdr.asl_compiler_revision = cpu_to_le32(hdrs->asl_compiler_rev);
++changed;
}
if (!has_header && !changed) {
fprintf(stderr, "warning: acpitable: no table headers are specified\n");
}
/* now calculate checksum of the table, complete with the header */
/* we may as well leave checksum intact if has_header is true */
/* alternatively there may be a way to set cksum to a given value */
hdr.checksum = 0; /* for checksum calculation */
/* put header back */
memcpy(table_start, &hdr, sizeof(hdr));
if (changed || !has_header || 1) {
((struct acpi_table_header *)table_start)->checksum =
acpi_checksum((uint8_t *)table_start + ACPI_TABLE_PFX_SIZE, len);
}
/* increase number of tables */
(*(uint16_t *)acpi_tables) =
cpu_to_le32(le32_to_cpu(*(uint16_t *)acpi_tables) + 1);
acpi_tables_len = allen;
out:
g_strfreev(pathnames);
if (hdrs != NULL) {
QapiDeallocVisitor *dv;
dv = qapi_dealloc_visitor_new();
visit_type_AcpiTableOptions(qapi_dealloc_get_visitor(dv), &hdrs, NULL,
NULL);
qapi_dealloc_visitor_cleanup(dv);
}
if (err) {
fprintf(stderr, "%s\n", error_get_pretty(err));
error_free(err);
return -1;
}
return 0;
}
| 7,984 |
FFmpeg | 568e18b15e2ddf494fd8926707d34ca08c8edce5 | 1 | static int mov_read_stsz(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
{
AVStream *st = c->fc->streams[c->fc->nb_streams-1];
MOVStreamContext *sc = (MOVStreamContext *)st->priv_data;
int entries, i;
print_atom("stsz", atom);
get_byte(pb); /* version */
get_byte(pb); get_byte(pb); get_byte(pb); /* flags */
sc->sample_size = get_be32(pb);
entries = get_be32(pb);
sc->sample_count = entries;
#ifdef DEBUG
av_log(NULL, AV_LOG_DEBUG, "sample_size = %ld sample_count = %ld\n", sc->sample_size, sc->sample_count);
#endif
if(sc->sample_size)
return 0; /* there isn't any table following */
sc->sample_sizes = (long*) av_malloc(entries * sizeof(long));
if (!sc->sample_sizes)
return -1;
for(i=0; i<entries; i++) {
sc->sample_sizes[i] = get_be32(pb);
#ifdef DEBUG
/* av_log(NULL, AV_LOG_DEBUG, "sample_sizes[]=%ld\n", sc->sample_sizes[i]); */
#endif
}
return 0;
}
| 7,985 |
qemu | 1f51470d044852592922f91000e741c381582cdc | 1 | CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
void (*init)(struct CharDriverState *s))
{
CharDriverState *chr;
int i;
int ret;
if (qemu_opts_id(opts) == NULL) {
fprintf(stderr, "chardev: no id specified\n");
return NULL;
}
if (qemu_opt_get(opts, "backend") == NULL) {
fprintf(stderr, "chardev: \"%s\" missing backend\n",
qemu_opts_id(opts));
return NULL;
}
for (i = 0; i < ARRAY_SIZE(backend_table); i++) {
if (strcmp(backend_table[i].name, qemu_opt_get(opts, "backend")) == 0)
break;
}
if (i == ARRAY_SIZE(backend_table)) {
fprintf(stderr, "chardev: backend \"%s\" not found\n",
qemu_opt_get(opts, "backend"));
return NULL;
}
ret = backend_table[i].open(opts, &chr);
if (ret < 0) {
fprintf(stderr, "chardev: opening backend \"%s\" failed: %s\n",
qemu_opt_get(opts, "backend"), strerror(-ret));
return NULL;
}
if (!chr->filename)
chr->filename = g_strdup(qemu_opt_get(opts, "backend"));
chr->init = init;
QTAILQ_INSERT_TAIL(&chardevs, chr, next);
if (qemu_opt_get_bool(opts, "mux", 0)) {
CharDriverState *base = chr;
int len = strlen(qemu_opts_id(opts)) + 6;
base->label = g_malloc(len);
snprintf(base->label, len, "%s-base", qemu_opts_id(opts));
chr = qemu_chr_open_mux(base);
chr->filename = base->filename;
chr->avail_connections = MAX_MUX;
QTAILQ_INSERT_TAIL(&chardevs, chr, next);
} else {
chr->avail_connections = 1;
}
chr->label = g_strdup(qemu_opts_id(opts));
return chr;
}
| 7,986 |
FFmpeg | a8469223f6bb756a44f6579439fcae24ccc739b1 | 1 | static void bastardized_rice_decompress(ALACContext *alac,
int32_t *output_buffer,
int output_size,
int readsamplesize, /* arg_10 */
int rice_initialhistory, /* arg424->b */
int rice_kmodifier, /* arg424->d */
int rice_historymult, /* arg424->c */
int rice_kmodifier_mask /* arg424->e */
)
{
int output_count;
unsigned int history = rice_initialhistory;
int sign_modifier = 0;
for (output_count = 0; output_count < output_size; output_count++) {
int32_t x;
int32_t x_modified;
int32_t final_val;
/* standard rice encoding */
int k; /* size of extra bits */
/* read k, that is bits as is */
k = av_log2((history >> 9) + 3);
x= decode_scalar(&alac->gb, k, rice_kmodifier, readsamplesize);
x_modified = sign_modifier + x;
final_val = (x_modified + 1) / 2;
if (x_modified & 1) final_val *= -1;
output_buffer[output_count] = final_val;
sign_modifier = 0;
/* now update the history */
history += x_modified * rice_historymult
- ((history * rice_historymult) >> 9);
if (x_modified > 0xffff)
history = 0xffff;
/* special case: there may be compressed blocks of 0 */
if ((history < 128) && (output_count+1 < output_size)) {
int k;
unsigned int block_size;
sign_modifier = 1;
k = 7 - av_log2(history) + ((history + 16) >> 6 /* / 64 */);
block_size= decode_scalar(&alac->gb, k, rice_kmodifier, 16);
if (block_size > 0) {
if(block_size >= output_size - output_count){
av_log(alac->avctx, AV_LOG_ERROR, "invalid zero block size of %d %d %d\n", block_size, output_size, output_count);
block_size= output_size - output_count - 1;
}
memset(&output_buffer[output_count+1], 0, block_size * 4);
output_count += block_size;
}
if (block_size > 0xffff)
sign_modifier = 0;
history = 0;
}
}
}
| 7,987 |
FFmpeg | 499b82f604616a6ce7de4bd8e15f4698702c1e6a | 1 | static int vdadec_decode(AVCodecContext *avctx,
void *data, int *got_frame, AVPacket *avpkt)
{
VDADecoderContext *ctx = avctx->priv_data;
AVFrame *pic = data;
int ret;
ret = ff_h264_decoder.decode(avctx, data, got_frame, avpkt);
if (*got_frame) {
AVBufferRef *buffer = pic->buf[0];
VDABufferContext *context = av_buffer_get_opaque(buffer);
CVPixelBufferRef cv_buffer = (CVPixelBufferRef)pic->data[3];
CVPixelBufferLockBaseAddress(cv_buffer, 0);
context->cv_buffer = cv_buffer;
pic->format = ctx->pix_fmt;
if (CVPixelBufferIsPlanar(cv_buffer)) {
int i, count = CVPixelBufferGetPlaneCount(cv_buffer);
av_assert0(count < 4);
for (i = 0; i < count; i++) {
pic->data[i] = CVPixelBufferGetBaseAddressOfPlane(cv_buffer, i);
pic->linesize[i] = CVPixelBufferGetBytesPerRowOfPlane(cv_buffer, i);
}
} else {
pic->data[0] = CVPixelBufferGetBaseAddress(cv_buffer);
pic->linesize[0] = CVPixelBufferGetBytesPerRow(cv_buffer);
}
}
avctx->pix_fmt = ctx->pix_fmt;
return ret;
} | 7,988 |
qemu | e5a869ed569a97fa676e9827952629086ec41f4e | 1 | static int target_pread(int fd, abi_ulong ptr, abi_ulong len,
abi_ulong offset)
{
void *buf;
int ret;
buf = lock_user(VERIFY_WRITE, ptr, len, 0);
ret = pread(fd, buf, len, offset);
unlock_user(buf, ptr, len);
return ret;
| 7,990 |
qemu | 4a1418e07bdcfaa3177739e04707ecaec75d89e1 | 0 | void helper_lret_protected(int shift, int addend)
{
helper_ret_protected(shift, 0, addend);
#ifdef CONFIG_KQEMU
if (kqemu_is_ok(env)) {
env->exception_index = -1;
cpu_loop_exit();
}
#endif
}
| 7,991 |
qemu | c5619bf9e8935aeb972c0bd935549e9ee0a739f2 | 0 | uint32_t gic_acknowledge_irq(GICState *s, int cpu)
{
int ret, irq, src;
int cm = 1 << cpu;
irq = s->current_pending[cpu];
if (irq == 1023
|| GIC_GET_PRIORITY(irq, cpu) >= s->running_priority[cpu]) {
DPRINTF("ACK no pending IRQ\n");
return 1023;
}
s->last_active[irq][cpu] = s->running_irq[cpu];
if (s->revision == REV_11MPCORE || s->revision == REV_NVIC) {
/* Clear pending flags for both level and edge triggered interrupts.
* Level triggered IRQs will be reasserted once they become inactive.
*/
GIC_CLEAR_PENDING(irq, GIC_TEST_MODEL(irq) ? ALL_CPU_MASK : cm);
ret = irq;
} else {
if (irq < GIC_NR_SGIS) {
/* Lookup the source CPU for the SGI and clear this in the
* sgi_pending map. Return the src and clear the overall pending
* state on this CPU if the SGI is not pending from any CPUs.
*/
assert(s->sgi_pending[irq][cpu] != 0);
src = ctz32(s->sgi_pending[irq][cpu]);
s->sgi_pending[irq][cpu] &= ~(1 << src);
if (s->sgi_pending[irq][cpu] == 0) {
GIC_CLEAR_PENDING(irq, GIC_TEST_MODEL(irq) ? ALL_CPU_MASK : cm);
}
ret = irq | ((src & 0x7) << 10);
} else {
/* Clear pending state for both level and edge triggered
* interrupts. (level triggered interrupts with an active line
* remain pending, see gic_test_pending)
*/
GIC_CLEAR_PENDING(irq, GIC_TEST_MODEL(irq) ? ALL_CPU_MASK : cm);
ret = irq;
}
}
gic_set_running_irq(s, cpu, irq);
DPRINTF("ACK %d\n", irq);
return ret;
}
| 7,993 |
FFmpeg | f61bece684d9685b07895508e6c1c733b5564ccf | 0 | av_cold void ff_dsputil_init_ppc(DSPContext *c, AVCodecContext *avctx)
{
const int high_bit_depth = avctx->bits_per_raw_sample > 8;
// Common optimizations whether AltiVec is available or not
if (!high_bit_depth) {
switch (check_dcbzl_effect()) {
case 32:
c->clear_blocks = clear_blocks_dcbz32_ppc;
break;
case 128:
c->clear_blocks = clear_blocks_dcbz128_ppc;
break;
default:
break;
}
}
#if HAVE_ALTIVEC
if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
ff_dsputil_init_altivec(c, avctx);
ff_int_init_altivec(c, avctx);
c->gmc1 = ff_gmc1_altivec;
#if CONFIG_ENCODERS
if (avctx->bits_per_raw_sample <= 8 &&
(avctx->dct_algo == FF_DCT_AUTO ||
avctx->dct_algo == FF_DCT_ALTIVEC)) {
c->fdct = ff_fdct_altivec;
}
#endif //CONFIG_ENCODERS
if (avctx->bits_per_raw_sample <= 8) {
if ((avctx->idct_algo == FF_IDCT_AUTO) ||
(avctx->idct_algo == FF_IDCT_ALTIVEC)) {
c->idct_put = ff_idct_put_altivec;
c->idct_add = ff_idct_add_altivec;
c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
}
}
}
#endif /* HAVE_ALTIVEC */
}
| 7,994 |
qemu | bf55b7afce53718ef96f4e6616da62c0ccac37dd | 0 | static IOMMUTLBEntry pbm_translate_iommu(MemoryRegion *iommu, hwaddr addr,
bool is_write)
{
IOMMUState *is = container_of(iommu, IOMMUState, iommu);
hwaddr baseaddr, offset;
uint64_t tte;
uint32_t tsbsize;
IOMMUTLBEntry ret = {
.target_as = &address_space_memory,
.iova = 0,
.translated_addr = 0,
.addr_mask = ~(hwaddr)0,
.perm = IOMMU_NONE,
};
if (!(is->regs[IOMMU_CTRL >> 3] & IOMMU_CTRL_MMU_EN)) {
/* IOMMU disabled, passthrough using standard 8K page */
ret.iova = addr & IOMMU_PAGE_MASK_8K;
ret.translated_addr = addr;
ret.addr_mask = IOMMU_PAGE_MASK_8K;
ret.perm = IOMMU_RW;
return ret;
}
baseaddr = is->regs[IOMMU_BASE >> 3];
tsbsize = (is->regs[IOMMU_CTRL >> 3] >> IOMMU_CTRL_TSB_SHIFT) & 0x7;
if (is->regs[IOMMU_CTRL >> 3] & IOMMU_CTRL_TBW_SIZE) {
/* 64K */
switch (tsbsize) {
case 0:
offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_64M) >> 13;
break;
case 1:
offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_128M) >> 13;
break;
case 2:
offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_256M) >> 13;
break;
case 3:
offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_512M) >> 13;
break;
case 4:
offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_1G) >> 13;
break;
case 5:
offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_2G) >> 13;
break;
default:
/* Not implemented, error */
return ret;
}
} else {
/* 8K */
switch (tsbsize) {
case 0:
offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_8M) >> 10;
break;
case 1:
offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_16M) >> 10;
break;
case 2:
offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_32M) >> 10;
break;
case 3:
offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_64M) >> 10;
break;
case 4:
offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_128M) >> 10;
break;
case 5:
offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_256M) >> 10;
break;
case 6:
offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_512M) >> 10;
break;
case 7:
offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_1G) >> 10;
break;
}
}
tte = address_space_ldq_be(&address_space_memory, baseaddr + offset,
MEMTXATTRS_UNSPECIFIED, NULL);
if (!(tte & IOMMU_TTE_DATA_V)) {
/* Invalid mapping */
return ret;
}
if (tte & IOMMU_TTE_DATA_W) {
/* Writeable */
ret.perm = IOMMU_RW;
} else {
ret.perm = IOMMU_RO;
}
/* Extract phys */
if (tte & IOMMU_TTE_DATA_SIZE) {
/* 64K */
ret.iova = addr & IOMMU_PAGE_MASK_64K;
ret.translated_addr = tte & IOMMU_TTE_PHYS_MASK_64K;
ret.addr_mask = (IOMMU_PAGE_SIZE_64K - 1);
} else {
/* 8K */
ret.iova = addr & IOMMU_PAGE_MASK_8K;
ret.translated_addr = tte & IOMMU_TTE_PHYS_MASK_8K;
ret.addr_mask = (IOMMU_PAGE_SIZE_8K - 1);
}
return ret;
}
| 7,996 |
qemu | cc8c9d6c6f28e4e376a6561a2a31524fd069bc2d | 0 | static void coroutine_fn mirror_iteration(MirrorBlockJob *s)
{
BlockDriverState *source = s->common.bs;
int nb_sectors, sectors_per_chunk, nb_chunks;
int64_t end, sector_num, next_chunk, next_sector, hbitmap_next_sector;
MirrorOp *op;
s->sector_num = hbitmap_iter_next(&s->hbi);
if (s->sector_num < 0) {
bdrv_dirty_iter_init(source, s->dirty_bitmap, &s->hbi);
s->sector_num = hbitmap_iter_next(&s->hbi);
trace_mirror_restart_iter(s,
bdrv_get_dirty_count(source, s->dirty_bitmap));
assert(s->sector_num >= 0);
}
hbitmap_next_sector = s->sector_num;
sector_num = s->sector_num;
sectors_per_chunk = s->granularity >> BDRV_SECTOR_BITS;
end = s->common.len >> BDRV_SECTOR_BITS;
/* Extend the QEMUIOVector to include all adjacent blocks that will
* be copied in this operation.
*
* We have to do this if we have no backing file yet in the destination,
* and the cluster size is very large. Then we need to do COW ourselves.
* The first time a cluster is copied, copy it entirely. Note that,
* because both the granularity and the cluster size are powers of two,
* the number of sectors to copy cannot exceed one cluster.
*
* We also want to extend the QEMUIOVector to include more adjacent
* dirty blocks if possible, to limit the number of I/O operations and
* run efficiently even with a small granularity.
*/
nb_chunks = 0;
nb_sectors = 0;
next_sector = sector_num;
next_chunk = sector_num / sectors_per_chunk;
/* Wait for I/O to this cluster (from a previous iteration) to be done. */
while (test_bit(next_chunk, s->in_flight_bitmap)) {
trace_mirror_yield_in_flight(s, sector_num, s->in_flight);
qemu_coroutine_yield();
}
do {
int added_sectors, added_chunks;
if (!bdrv_get_dirty(source, s->dirty_bitmap, next_sector) ||
test_bit(next_chunk, s->in_flight_bitmap)) {
assert(nb_sectors > 0);
break;
}
added_sectors = sectors_per_chunk;
if (s->cow_bitmap && !test_bit(next_chunk, s->cow_bitmap)) {
bdrv_round_to_clusters(s->target,
next_sector, added_sectors,
&next_sector, &added_sectors);
/* On the first iteration, the rounding may make us copy
* sectors before the first dirty one.
*/
if (next_sector < sector_num) {
assert(nb_sectors == 0);
sector_num = next_sector;
next_chunk = next_sector / sectors_per_chunk;
}
}
added_sectors = MIN(added_sectors, end - (sector_num + nb_sectors));
added_chunks = (added_sectors + sectors_per_chunk - 1) / sectors_per_chunk;
/* When doing COW, it may happen that there is not enough space for
* a full cluster. Wait if that is the case.
*/
while (nb_chunks == 0 && s->buf_free_count < added_chunks) {
trace_mirror_yield_buf_busy(s, nb_chunks, s->in_flight);
qemu_coroutine_yield();
}
if (s->buf_free_count < nb_chunks + added_chunks) {
trace_mirror_break_buf_busy(s, nb_chunks, s->in_flight);
break;
}
/* We have enough free space to copy these sectors. */
bitmap_set(s->in_flight_bitmap, next_chunk, added_chunks);
nb_sectors += added_sectors;
nb_chunks += added_chunks;
next_sector += added_sectors;
next_chunk += added_chunks;
} while (next_sector < end);
/* Allocate a MirrorOp that is used as an AIO callback. */
op = g_slice_new(MirrorOp);
op->s = s;
op->sector_num = sector_num;
op->nb_sectors = nb_sectors;
/* Now make a QEMUIOVector taking enough granularity-sized chunks
* from s->buf_free.
*/
qemu_iovec_init(&op->qiov, nb_chunks);
next_sector = sector_num;
while (nb_chunks-- > 0) {
MirrorBuffer *buf = QSIMPLEQ_FIRST(&s->buf_free);
QSIMPLEQ_REMOVE_HEAD(&s->buf_free, next);
s->buf_free_count--;
qemu_iovec_add(&op->qiov, buf, s->granularity);
/* Advance the HBitmapIter in parallel, so that we do not examine
* the same sector twice.
*/
if (next_sector > hbitmap_next_sector
&& bdrv_get_dirty(source, s->dirty_bitmap, next_sector)) {
hbitmap_next_sector = hbitmap_iter_next(&s->hbi);
}
next_sector += sectors_per_chunk;
}
bdrv_reset_dirty(source, sector_num, nb_sectors);
/* Copy the dirty cluster. */
s->in_flight++;
trace_mirror_one_iteration(s, sector_num, nb_sectors);
bdrv_aio_readv(source, sector_num, &op->qiov, nb_sectors,
mirror_read_complete, op);
}
| 7,997 |
qemu | f7d3e466764e0258d0883d90edb7e98ad0b56e18 | 0 | static int s390_cpu_initial_reset(S390CPU *cpu)
{
CPUState *cs = CPU(cpu);
CPUS390XState *env = &cpu->env;
int i;
s390_del_running_cpu(cpu);
if (kvm_vcpu_ioctl(cs, KVM_S390_INITIAL_RESET, NULL) < 0) {
perror("cannot init reset vcpu");
}
/* Manually zero out all registers */
cpu_synchronize_state(cs);
for (i = 0; i < 16; i++) {
env->regs[i] = 0;
}
DPRINTF("DONE: SIGP initial reset: %p\n", env);
return 0;
}
| 7,999 |
qemu | abd696e4f74a9d30801c6ae2693efe4e5979c2f2 | 0 | void virtio_setup_block(struct subchannel_id schid)
{
struct vq_info_block info;
struct vq_config_block config = {};
virtio_reset(schid);
config.index = 0;
if (run_ccw(schid, CCW_CMD_READ_VQ_CONF, &config, sizeof(config))) {
virtio_panic("Could not get block device configuration\n");
}
vring_init(&block, config.num, (void*)(100 * 1024 * 1024),
KVM_S390_VIRTIO_RING_ALIGN);
info.queue = (100ULL * 1024ULL* 1024ULL);
info.align = KVM_S390_VIRTIO_RING_ALIGN;
info.index = 0;
info.num = config.num;
block.schid = schid;
if (!run_ccw(schid, CCW_CMD_SET_VQ, &info, sizeof(info))) {
virtio_set_status(schid, VIRTIO_CONFIG_S_DRIVER_OK);
}
}
| 8,000 |
qemu | 4750a96f6baf8949cc04a0c5b7167606544a4401 | 0 | static int v9fs_do_open2(V9fsState *s, V9fsString *path, int flags, mode_t mode)
{
return s->ops->open2(&s->ctx, path->data, flags, mode);
}
| 8,001 |
qemu | 5379229a2708df3a1506113315214c3ce5325859 | 0 | udp_listen(Slirp *slirp, uint32_t haddr, u_int hport, uint32_t laddr,
u_int lport, int flags)
{
struct sockaddr_in addr;
struct socket *so;
socklen_t addrlen = sizeof(struct sockaddr_in);
so = socreate(slirp);
if (!so) {
return NULL;
}
so->s = qemu_socket(AF_INET,SOCK_DGRAM,0);
so->so_expire = curtime + SO_EXPIRE;
insque(so, &slirp->udb);
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = haddr;
addr.sin_port = hport;
if (bind(so->s,(struct sockaddr *)&addr, addrlen) < 0) {
udp_detach(so);
return NULL;
}
socket_set_fast_reuse(so->s);
getsockname(so->s,(struct sockaddr *)&addr,&addrlen);
so->so_ffamily = AF_INET;
so->so_fport = addr.sin_port;
if (addr.sin_addr.s_addr == 0 ||
addr.sin_addr.s_addr == loopback_addr.s_addr) {
so->so_faddr = slirp->vhost_addr;
} else {
so->so_faddr = addr.sin_addr;
}
so->so_lfamily = AF_INET;
so->so_lport = lport;
so->so_laddr.s_addr = laddr;
if (flags != SS_FACCEPTONCE)
so->so_expire = 0;
so->so_state &= SS_PERSISTENT_MASK;
so->so_state |= SS_ISFCONNECTED | flags;
return so;
}
| 8,002 |
qemu | d157ed5f7235f3d2d5596a514ad7507b18e24b88 | 0 | blkdebug_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
QEMUIOVector *qiov, int flags)
{
BDRVBlkdebugState *s = bs->opaque;
BlkdebugRule *rule = NULL;
/* Sanity check block layer guarantees */
assert(QEMU_IS_ALIGNED(offset, bs->bl.request_alignment));
assert(QEMU_IS_ALIGNED(bytes, bs->bl.request_alignment));
if (bs->bl.max_transfer) {
assert(bytes <= bs->bl.max_transfer);
}
QSIMPLEQ_FOREACH(rule, &s->active_rules, active_next) {
uint64_t inject_offset = rule->options.inject.offset;
if (inject_offset == -1 ||
(inject_offset >= offset && inject_offset < offset + bytes))
{
break;
}
}
if (rule && rule->options.inject.error) {
return inject_error(bs, rule);
}
return bdrv_co_pwritev(bs->file, offset, bytes, qiov, flags);
}
| 8,003 |
qemu | ddf21908961073199f3d186204da4810f2ea150b | 0 | static void test_visitor_out_struct_errors(TestOutputVisitorData *data,
const void *unused)
{
EnumOne bad_values[] = { ENUM_ONE_MAX, -1 };
UserDefZero b;
UserDefOne u = { .base = &b }, *pu = &u;
Error *err;
int i;
for (i = 0; i < ARRAY_SIZE(bad_values) ; i++) {
err = NULL;
u.has_enum1 = true;
u.enum1 = bad_values[i];
visit_type_UserDefOne(data->ov, &pu, "unused", &err);
g_assert(err);
error_free(err);
}
}
| 8,004 |
FFmpeg | 294bb6cbd7bdc52233ddfa8f88f99aaf0d64d183 | 0 | static HEVCFrame *find_ref_idx(HEVCContext *s, int poc)
{
int i;
int LtMask = (1 << s->sps->log2_max_poc_lsb) - 1;
for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) {
HEVCFrame *ref = &s->DPB[i];
if (ref->frame->buf[0] && (ref->sequence == s->seq_decode)) {
if ((ref->poc & LtMask) == poc)
return ref;
}
}
for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) {
HEVCFrame *ref = &s->DPB[i];
if (ref->frame->buf[0] && ref->sequence == s->seq_decode) {
if (ref->poc == poc || (ref->poc & LtMask) == poc)
return ref;
}
}
av_log(s->avctx, AV_LOG_ERROR,
"Could not find ref with POC %d\n", poc);
return NULL;
}
| 8,005 |
qemu | c2b38b277a7882a592f4f2ec955084b2b756daaa | 0 | void timer_free(QEMUTimer *ts)
{
g_free(ts);
}
| 8,007 |
qemu | 922453bca6a927bb527068ae8679d587cfa45dbc | 0 | int do_snapshot_blkdev(Monitor *mon, const QDict *qdict, QObject **ret_data)
{
const char *device = qdict_get_str(qdict, "device");
const char *filename = qdict_get_try_str(qdict, "snapshot-file");
const char *format = qdict_get_try_str(qdict, "format");
BlockDriverState *bs;
BlockDriver *drv, *old_drv, *proto_drv;
int ret = 0;
int flags;
char old_filename[1024];
if (!filename) {
qerror_report(QERR_MISSING_PARAMETER, "snapshot-file");
ret = -1;
goto out;
}
bs = bdrv_find(device);
if (!bs) {
qerror_report(QERR_DEVICE_NOT_FOUND, device);
ret = -1;
goto out;
}
pstrcpy(old_filename, sizeof(old_filename), bs->filename);
old_drv = bs->drv;
flags = bs->open_flags;
if (!format) {
format = "qcow2";
}
drv = bdrv_find_format(format);
if (!drv) {
qerror_report(QERR_INVALID_BLOCK_FORMAT, format);
ret = -1;
goto out;
}
proto_drv = bdrv_find_protocol(filename);
if (!proto_drv) {
qerror_report(QERR_INVALID_BLOCK_FORMAT, format);
ret = -1;
goto out;
}
ret = bdrv_img_create(filename, format, bs->filename,
bs->drv->format_name, NULL, -1, flags);
if (ret) {
goto out;
}
qemu_aio_flush();
bdrv_flush(bs);
bdrv_close(bs);
ret = bdrv_open(bs, filename, flags, drv);
/*
* If reopening the image file we just created fails, fall back
* and try to re-open the original image. If that fails too, we
* are in serious trouble.
*/
if (ret != 0) {
ret = bdrv_open(bs, old_filename, flags, old_drv);
if (ret != 0) {
qerror_report(QERR_OPEN_FILE_FAILED, old_filename);
} else {
qerror_report(QERR_OPEN_FILE_FAILED, filename);
}
}
out:
if (ret) {
ret = -1;
}
return ret;
}
| 8,008 |
qemu | c2f07f81a2d52d9d5243ead61d93e875487acf70 | 0 | static void breakpoint_invalidate(CPUState *env, target_ulong pc)
{
target_ulong phys_addr;
phys_addr = cpu_get_phys_page_debug(env, pc);
tb_invalidate_phys_page_range(phys_addr, phys_addr + 1, 0);
}
| 8,009 |
qemu | 2c62f08ddbf3fa80dc7202eb9a2ea60ae44e2cc5 | 0 | static void omap_ppm_save(const char *filename, uint8_t *data,
int w, int h, int linesize, Error **errp)
{
FILE *f;
uint8_t *d, *d1;
unsigned int v;
int ret, y, x, bpp;
f = fopen(filename, "wb");
if (!f) {
error_setg(errp, "failed to open file '%s': %s", filename,
strerror(errno));
return;
}
ret = fprintf(f, "P6\n%d %d\n%d\n", w, h, 255);
if (ret < 0) {
goto write_err;
}
d1 = data;
bpp = linesize / w;
for (y = 0; y < h; y ++) {
d = d1;
for (x = 0; x < w; x ++) {
v = *(uint32_t *) d;
switch (bpp) {
case 2:
ret = fputc((v >> 8) & 0xf8, f);
if (ret == EOF) {
goto write_err;
}
ret = fputc((v >> 3) & 0xfc, f);
if (ret == EOF) {
goto write_err;
}
ret = fputc((v << 3) & 0xf8, f);
if (ret == EOF) {
goto write_err;
}
break;
case 3:
case 4:
default:
ret = fputc((v >> 16) & 0xff, f);
if (ret == EOF) {
goto write_err;
}
ret = fputc((v >> 8) & 0xff, f);
if (ret == EOF) {
goto write_err;
}
ret = fputc((v) & 0xff, f);
if (ret == EOF) {
goto write_err;
}
break;
}
d += bpp;
}
d1 += linesize;
}
out:
fclose(f);
return;
write_err:
error_setg(errp, "failed to write to file '%s': %s", filename,
strerror(errno));
unlink(filename);
goto out;
}
| 8,011 |
qemu | 68a7439a150d6b4da99082ab454b9328b151bc25 | 0 | static uint64_t unassigned_mem_read(void *opaque, hwaddr addr,
unsigned size)
{
#ifdef DEBUG_UNASSIGNED
printf("Unassigned mem read " TARGET_FMT_plx "\n", addr);
#endif
if (current_cpu != NULL) {
cpu_unassigned_access(current_cpu, addr, false, false, 0, size);
}
return -1ULL;
}
| 8,012 |
qemu | 7e6478e7d4f2c4b607069bf488d57089a9d3244b | 0 | void qemu_set_cloexec(int fd)
{
int f;
f = fcntl(fd, F_GETFD);
fcntl(fd, F_SETFD, f | FD_CLOEXEC);
}
| 8,013 |
qemu | e8dd1d9c396104f0fac4b39a701143df49df2a74 | 0 | static int netmap_can_send(void *opaque)
{
NetmapState *s = opaque;
return qemu_can_send_packet(&s->nc);
}
| 8,014 |
qemu | 752ced0488806830f18f96b60ae6f3d1fadfd089 | 0 | static int kvm_get_dirty_pages_log_range(MemoryRegionSection *section,
unsigned long *bitmap)
{
unsigned int i, j;
unsigned long page_number, c;
hwaddr addr, addr1;
unsigned int len = ((section->size / TARGET_PAGE_SIZE) + HOST_LONG_BITS - 1) / HOST_LONG_BITS;
unsigned long hpratio = getpagesize() / TARGET_PAGE_SIZE;
/*
* bitmap-traveling is faster than memory-traveling (for addr...)
* especially when most of the memory is not dirty.
*/
for (i = 0; i < len; i++) {
if (bitmap[i] != 0) {
c = leul_to_cpu(bitmap[i]);
do {
j = ffsl(c) - 1;
c &= ~(1ul << j);
page_number = (i * HOST_LONG_BITS + j) * hpratio;
addr1 = page_number * TARGET_PAGE_SIZE;
addr = section->offset_within_region + addr1;
memory_region_set_dirty(section->mr, addr,
TARGET_PAGE_SIZE * hpratio);
} while (c != 0);
}
}
return 0;
}
| 8,015 |
FFmpeg | 9885284c2259847b0d2b34b5574e3276607e37e4 | 0 | static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff){
MpegEncContext * const s = &h->s;
static const int coeff_token_table_index[17]= {0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3};
int level[16];
int zeros_left, coeff_num, coeff_token, total_coeff, i, j, trailing_ones, run_before;
//FIXME put trailing_onex into the context
if(n == CHROMA_DC_BLOCK_INDEX){
coeff_token= get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1);
total_coeff= coeff_token>>2;
}else{
if(n == LUMA_DC_BLOCK_INDEX){
total_coeff= pred_non_zero_count(h, 0);
coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
total_coeff= coeff_token>>2;
}else{
total_coeff= pred_non_zero_count(h, n);
coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
total_coeff= coeff_token>>2;
h->non_zero_count_cache[ scan8[n] ]= total_coeff;
}
}
//FIXME set last_non_zero?
if(total_coeff==0)
return 0;
if(total_coeff > (unsigned)max_coeff) {
av_log(h->s.avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", s->mb_x, s->mb_y, total_coeff);
return -1;
}
trailing_ones= coeff_token&3;
tprintf(h->s.avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff);
assert(total_coeff<=16);
i = show_bits(gb, 3);
skip_bits(gb, trailing_ones);
level[0] = 1-((i&4)>>1);
level[1] = 1-((i&2) );
level[2] = 1-((i&1)<<1);
if(trailing_ones<total_coeff) {
int mask, prefix;
int suffix_length = total_coeff > 10 & trailing_ones < 3;
int bitsi= show_bits(gb, LEVEL_TAB_BITS);
int level_code= cavlc_level_tab[suffix_length][bitsi][0];
skip_bits(gb, cavlc_level_tab[suffix_length][bitsi][1]);
if(level_code >= 100){
prefix= level_code - 100;
if(prefix == LEVEL_TAB_BITS)
prefix += get_level_prefix(gb);
//first coefficient has suffix_length equal to 0 or 1
if(prefix<14){ //FIXME try to build a large unified VLC table for all this
if(suffix_length)
level_code= (prefix<<1) + get_bits1(gb); //part
else
level_code= prefix; //part
}else if(prefix==14){
if(suffix_length)
level_code= (prefix<<1) + get_bits1(gb); //part
else
level_code= prefix + get_bits(gb, 4); //part
}else{
level_code= 30 + get_bits(gb, prefix-3); //part
if(prefix>=16)
level_code += (1<<(prefix-3))-4096;
}
if(trailing_ones < 3) level_code += 2;
suffix_length = 2;
mask= -(level_code&1);
level[trailing_ones]= (((2+level_code)>>1) ^ mask) - mask;
}else{
level_code += ((level_code>>31)|1) & -(trailing_ones < 3);
suffix_length = 1 + (level_code + 3U > 6U);
level[trailing_ones]= level_code;
}
//remaining coefficients have suffix_length > 0
for(i=trailing_ones+1;i<total_coeff;i++) {
static const unsigned int suffix_limit[7] = {0,3,6,12,24,48,INT_MAX };
int bitsi= show_bits(gb, LEVEL_TAB_BITS);
level_code= cavlc_level_tab[suffix_length][bitsi][0];
skip_bits(gb, cavlc_level_tab[suffix_length][bitsi][1]);
if(level_code >= 100){
prefix= level_code - 100;
if(prefix == LEVEL_TAB_BITS){
prefix += get_level_prefix(gb);
}
if(prefix<15){
level_code = (prefix<<suffix_length) + get_bits(gb, suffix_length);
}else{
level_code = (15<<suffix_length) + get_bits(gb, prefix-3);
if(prefix>=16)
level_code += (1<<(prefix-3))-4096;
}
mask= -(level_code&1);
level_code= (((2+level_code)>>1) ^ mask) - mask;
}
level[i]= level_code;
suffix_length+= suffix_limit[suffix_length] + level_code > 2U*suffix_limit[suffix_length];
}
}
if(total_coeff == max_coeff)
zeros_left=0;
else{
if(n == CHROMA_DC_BLOCK_INDEX)
zeros_left= get_vlc2(gb, (chroma_dc_total_zeros_vlc-1)[ total_coeff ].table, CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1);
else
zeros_left= get_vlc2(gb, (total_zeros_vlc-1)[ total_coeff ].table, TOTAL_ZEROS_VLC_BITS, 1);
}
coeff_num = zeros_left + total_coeff - 1;
j = scantable[coeff_num];
if(n > 24){
block[j] = level[0];
for(i=1;i<total_coeff;i++) {
if(zeros_left <= 0)
run_before = 0;
else if(zeros_left < 7){
run_before= get_vlc2(gb, (run_vlc-1)[zeros_left].table, RUN_VLC_BITS, 1);
}else{
run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
}
zeros_left -= run_before;
coeff_num -= 1 + run_before;
j= scantable[ coeff_num ];
block[j]= level[i];
}
}else{
block[j] = (level[0] * qmul[j] + 32)>>6;
for(i=1;i<total_coeff;i++) {
if(zeros_left <= 0)
run_before = 0;
else if(zeros_left < 7){
run_before= get_vlc2(gb, (run_vlc-1)[zeros_left].table, RUN_VLC_BITS, 1);
}else{
run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
}
zeros_left -= run_before;
coeff_num -= 1 + run_before;
j= scantable[ coeff_num ];
block[j]= (level[i] * qmul[j] + 32)>>6;
}
}
if(zeros_left<0){
av_log(h->s.avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
return 0;
}
| 8,016 |
qemu | c4d3c0a2696c09a884b680d15b03325e46656a6c | 0 | static void ccw_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
NMIClass *nc = NMI_CLASS(oc);
mc->name = "s390-ccw-virtio";
mc->alias = "s390-ccw";
mc->desc = "VirtIO-ccw based S390 machine";
mc->init = ccw_init;
mc->block_default_type = IF_VIRTIO;
mc->no_cdrom = 1;
mc->no_floppy = 1;
mc->no_serial = 1;
mc->no_parallel = 1;
mc->no_sdcard = 1;
mc->use_sclp = 1;
mc->max_cpus = 255;
mc->is_default = 1;
nc->nmi_monitor_handler = s390_nmi;
}
| 8,017 |
qemu | 949fc82314cc84162e64a5323764527a542421ce | 0 | static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len)
{
uint32_t *p = qdev_get_prop_ptr(dev, prop);
return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off");
}
| 8,019 |
qemu | 02b07434bed8360715198b4cbfdfebd17f7cac32 | 0 | static char *pxb_host_ofw_unit_address(const SysBusDevice *dev)
{
const PCIHostState *pxb_host;
const PCIBus *pxb_bus;
const PXBDev *pxb_dev;
int position;
const DeviceState *pxb_dev_base;
const PCIHostState *main_host;
const SysBusDevice *main_host_sbd;
pxb_host = PCI_HOST_BRIDGE(dev);
pxb_bus = pxb_host->bus;
pxb_dev = PXB_DEV(pxb_bus->parent_dev);
position = g_list_index(pxb_dev_list, pxb_dev);
assert(position >= 0);
pxb_dev_base = DEVICE(pxb_dev);
main_host = PCI_HOST_BRIDGE(pxb_dev_base->parent_bus->parent);
main_host_sbd = SYS_BUS_DEVICE(main_host);
if (main_host_sbd->num_mmio > 0) {
return g_strdup_printf(TARGET_FMT_plx ",%x",
main_host_sbd->mmio[0].addr, position + 1);
}
if (main_host_sbd->num_pio > 0) {
return g_strdup_printf("i%04x,%x",
main_host_sbd->pio[0], position + 1);
}
return NULL;
}
| 8,020 |
qemu | 8caf02127e92939fff39b63a7ff1a5834d320191 | 1 | static int openfile(char *name, int flags, QDict *opts)
{
Error *local_err = NULL;
if (qemuio_blk) {
fprintf(stderr, "file open already, try 'help close'\n");
QDECREF(opts);
return 1;
}
qemuio_blk = blk_new_open("hda", name, NULL, opts, flags, &local_err);
if (!qemuio_blk) {
fprintf(stderr, "%s: can't open%s%s: %s\n", progname,
name ? " device " : "", name ?: "",
error_get_pretty(local_err));
error_free(local_err);
return 1;
}
bs = blk_bs(qemuio_blk);
if (bdrv_is_encrypted(bs)) {
char password[256];
printf("Disk image '%s' is encrypted.\n", name);
if (qemu_read_password(password, sizeof(password)) < 0) {
error_report("No password given");
goto error;
}
if (bdrv_set_key(bs, password) < 0) {
error_report("invalid password");
goto error;
}
}
return 0;
error:
blk_unref(qemuio_blk);
qemuio_blk = NULL;
return 1;
} | 8,022 |
FFmpeg | b88be742fac7a77a8095e8155ba8790db4b77568 | 1 | static void calc_slice_sizes(VC2EncContext *s)
{
int slice_x, slice_y;
SliceArgs *enc_args = s->slice_args;
for (slice_y = 0; slice_y < s->num_y; slice_y++) {
for (slice_x = 0; slice_x < s->num_x; slice_x++) {
SliceArgs *args = &enc_args[s->num_x*slice_y + slice_x];
args->ctx = s;
args->x = slice_x;
args->y = slice_y;
args->bits_ceil = s->slice_max_bytes << 3;
args->bits_floor = s->slice_min_bytes << 3;
memset(args->cache, 0, MAX_QUANT_INDEX*sizeof(*args->cache));
}
}
/* Determine quantization indices and bytes per slice */
s->avctx->execute(s->avctx, rate_control, enc_args, NULL, s->num_x*s->num_y,
sizeof(SliceArgs));
}
| 8,023 |
FFmpeg | 41f3c60fbb7420f41295c8e0cf80acf9e71f72d0 | 1 | int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
int *got_picture_ptr,
const AVPacket *avpkt)
{
AVCodecInternal *avci = avctx->internal;
int ret;
// copy to ensure we do not change avpkt
AVPacket tmp = *avpkt;
if (avctx->codec->type != AVMEDIA_TYPE_VIDEO) {
av_log(avctx, AV_LOG_ERROR, "Invalid media type for video\n");
}
*got_picture_ptr = 0;
if ((avctx->coded_width || avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
avcodec_get_frame_defaults(picture);
if (!avctx->refcounted_frames)
av_frame_unref(&avci->to_free);
if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) {
int did_split = av_packet_split_side_data(&tmp);
apply_param_change(avctx, &tmp);
avctx->pkt = &tmp;
if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
&tmp);
else {
ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
&tmp);
picture->pkt_dts = avpkt->dts;
if(!avctx->has_b_frames){
av_frame_set_pkt_pos(picture, avpkt->pos);
}
//FIXME these should be under if(!avctx->has_b_frames)
/* get_buffer is supposed to set frame parameters */
if (!(avctx->codec->capabilities & CODEC_CAP_DR1)) {
if (!picture->sample_aspect_ratio.num) picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
if (!picture->width) picture->width = avctx->width;
if (!picture->height) picture->height = avctx->height;
if (picture->format == AV_PIX_FMT_NONE) picture->format = avctx->pix_fmt;
}
}
add_metadata_from_side_data(avctx, picture);
emms_c(); //needed to avoid an emms_c() call before every return;
avctx->pkt = NULL;
if (did_split) {
ff_packet_free_side_data(&tmp);
if(ret == tmp.size)
ret = avpkt->size;
}
if (ret < 0 && picture->data[0])
av_frame_unref(picture);
if (*got_picture_ptr) {
if (!avctx->refcounted_frames) {
avci->to_free = *picture;
avci->to_free.extended_data = avci->to_free.data;
memset(picture->buf, 0, sizeof(picture->buf));
}
avctx->frame_number++;
av_frame_set_best_effort_timestamp(picture,
guess_correct_pts(avctx,
picture->pkt_pts,
picture->pkt_dts));
}
} else
ret = 0;
/* many decoders assign whole AVFrames, thus overwriting extended_data;
* make sure it's set correctly */
picture->extended_data = picture->data;
return ret;
} | 8,025 |
qemu | 97f3ad35517e0d02c0149637d1bb10713c52b057 | 1 | static int rdma_delete_block(RDMAContext *rdma, RDMALocalBlock *block)
{
RDMALocalBlocks *local = &rdma->local_ram_blocks;
RDMALocalBlock *old = local->block;
int x;
if (rdma->blockmap) {
g_hash_table_remove(rdma->blockmap, (void *)(uintptr_t)block->offset);
}
if (block->pmr) {
int j;
for (j = 0; j < block->nb_chunks; j++) {
if (!block->pmr[j]) {
continue;
}
ibv_dereg_mr(block->pmr[j]);
rdma->total_registrations--;
}
g_free(block->pmr);
block->pmr = NULL;
}
if (block->mr) {
ibv_dereg_mr(block->mr);
rdma->total_registrations--;
block->mr = NULL;
}
g_free(block->transit_bitmap);
block->transit_bitmap = NULL;
g_free(block->unregister_bitmap);
block->unregister_bitmap = NULL;
g_free(block->remote_keys);
block->remote_keys = NULL;
g_free(block->block_name);
block->block_name = NULL;
if (rdma->blockmap) {
for (x = 0; x < local->nb_blocks; x++) {
g_hash_table_remove(rdma->blockmap,
(void *)(uintptr_t)old[x].offset);
}
}
if (local->nb_blocks > 1) {
local->block = g_malloc0(sizeof(RDMALocalBlock) *
(local->nb_blocks - 1));
if (block->index) {
memcpy(local->block, old, sizeof(RDMALocalBlock) * block->index);
}
if (block->index < (local->nb_blocks - 1)) {
memcpy(local->block + block->index, old + (block->index + 1),
sizeof(RDMALocalBlock) *
(local->nb_blocks - (block->index + 1)));
}
} else {
assert(block == local->block);
local->block = NULL;
}
trace_rdma_delete_block(block, (uintptr_t)block->local_host_addr,
block->offset, block->length,
(uintptr_t)(block->local_host_addr + block->length),
BITS_TO_LONGS(block->nb_chunks) *
sizeof(unsigned long) * 8, block->nb_chunks);
g_free(old);
local->nb_blocks--;
if (local->nb_blocks && rdma->blockmap) {
for (x = 0; x < local->nb_blocks; x++) {
g_hash_table_insert(rdma->blockmap,
(void *)(uintptr_t)local->block[x].offset,
&local->block[x]);
}
}
return 0;
}
| 8,026 |
FFmpeg | 49d2d1c35cc0438747dd8ef111163cb341f8f9fe | 1 | static inline void mpeg4_encode_dc(PutBitContext * s, int level, int n)
{
#if 1
level+=256;
if (n < 4) {
/* luminance */
put_bits(s, uni_DCtab_lum_len[level], uni_DCtab_lum_bits[level]);
} else {
/* chrominance */
put_bits(s, uni_DCtab_chrom_len[level], uni_DCtab_chrom_bits[level]);
}
#else
int size, v;
/* find number of bits */
size = 0;
v = abs(level);
while (v) {
v >>= 1;
size++;
}
if (n < 4) {
/* luminance */
put_bits(&s->pb, DCtab_lum[size][1], DCtab_lum[size][0]);
} else {
/* chrominance */
put_bits(&s->pb, DCtab_chrom[size][1], DCtab_chrom[size][0]);
}
/* encode remaining bits */
if (size > 0) {
if (level < 0)
level = (-level) ^ ((1 << size) - 1);
put_bits(&s->pb, size, level);
if (size > 8)
put_bits(&s->pb, 1, 1);
}
#endif
} | 8,027 |
FFmpeg | b99bef17b44cdefdd91a5e07a4eba6a3cc4ee290 | 0 | static int pick_formats(AVFilterGraph *graph)
{
int i, j, ret;
int change;
do{
change = 0;
for (i = 0; i < graph->filter_count; i++) {
AVFilterContext *filter = graph->filters[i];
if (filter->nb_inputs){
for (j = 0; j < filter->nb_inputs; j++){
if(filter->inputs[j]->in_formats && filter->inputs[j]->in_formats->format_count == 1) {
pick_format(filter->inputs[j], NULL);
change = 1;
}
}
}
if (filter->nb_outputs){
for (j = 0; j < filter->nb_outputs; j++){
if(filter->outputs[j]->in_formats && filter->outputs[j]->in_formats->format_count == 1) {
pick_format(filter->outputs[j], NULL);
change = 1;
}
}
}
if (filter->nb_inputs && filter->nb_outputs && filter->inputs[0]->format>=0) {
for (j = 0; j < filter->nb_outputs; j++) {
if(filter->outputs[j]->format<0) {
pick_format(filter->outputs[j], filter->inputs[0]);
change = 1;
}
}
}
}
}while(change);
for (i = 0; i < graph->filter_count; i++) {
AVFilterContext *filter = graph->filters[i];
for (j = 0; j < filter->nb_inputs; j++)
if ((ret = pick_format(filter->inputs[j], NULL)) < 0)
return ret;
for (j = 0; j < filter->nb_outputs; j++)
if ((ret = pick_format(filter->outputs[j], NULL)) < 0)
return ret;
}
return 0;
}
| 8,028 |
FFmpeg | dc179ec81902e3c9d327f9e818454f2849308000 | 0 | ff_yuv2packedX_altivec(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc,
const int16_t **chrVSrc, int chrFilterSize,
const int16_t **alpSrc, uint8_t *dest,
int dstW, int dstY)
{
int i,j;
vector signed short X,X0,X1,Y0,U0,V0,Y1,U1,V1,U,V;
vector signed short R0,G0,B0,R1,G1,B1;
vector unsigned char R,G,B;
vector unsigned char *out,*nout;
vector signed short RND = vec_splat_s16(1<<3);
vector unsigned short SCL = vec_splat_u16(4);
DECLARE_ALIGNED(16, unsigned int, scratch)[16];
vector signed short *YCoeffs, *CCoeffs;
YCoeffs = c->vYCoeffsBank+dstY*lumFilterSize;
CCoeffs = c->vCCoeffsBank+dstY*chrFilterSize;
out = (vector unsigned char *)dest;
for (i=0; i<dstW; i+=16) {
Y0 = RND;
Y1 = RND;
/* extract 16 coeffs from lumSrc */
for (j=0; j<lumFilterSize; j++) {
X0 = vec_ld (0, &lumSrc[j][i]);
X1 = vec_ld (16, &lumSrc[j][i]);
Y0 = vec_mradds (X0, YCoeffs[j], Y0);
Y1 = vec_mradds (X1, YCoeffs[j], Y1);
}
U = RND;
V = RND;
/* extract 8 coeffs from U,V */
for (j=0; j<chrFilterSize; j++) {
X = vec_ld (0, &chrUSrc[j][i/2]);
U = vec_mradds (X, CCoeffs[j], U);
X = vec_ld (0, &chrVSrc[j][i/2]);
V = vec_mradds (X, CCoeffs[j], V);
}
/* scale and clip signals */
Y0 = vec_sra (Y0, SCL);
Y1 = vec_sra (Y1, SCL);
U = vec_sra (U, SCL);
V = vec_sra (V, SCL);
Y0 = vec_clip_s16 (Y0);
Y1 = vec_clip_s16 (Y1);
U = vec_clip_s16 (U);
V = vec_clip_s16 (V);
/* now we have
Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15
U= u0 u1 u2 u3 u4 u5 u6 u7 V= v0 v1 v2 v3 v4 v5 v6 v7
Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15
U0= u0 u0 u1 u1 u2 u2 u3 u3 U1= u4 u4 u5 u5 u6 u6 u7 u7
V0= v0 v0 v1 v1 v2 v2 v3 v3 V1= v4 v4 v5 v5 v6 v6 v7 v7
*/
U0 = vec_mergeh (U,U);
V0 = vec_mergeh (V,V);
U1 = vec_mergel (U,U);
V1 = vec_mergel (V,V);
cvtyuvtoRGB (c, Y0,U0,V0,&R0,&G0,&B0);
cvtyuvtoRGB (c, Y1,U1,V1,&R1,&G1,&B1);
R = vec_packclp (R0,R1);
G = vec_packclp (G0,G1);
B = vec_packclp (B0,B1);
switch(c->dstFormat) {
case PIX_FMT_ABGR: out_abgr (R,G,B,out); break;
case PIX_FMT_BGRA: out_bgra (R,G,B,out); break;
case PIX_FMT_RGBA: out_rgba (R,G,B,out); break;
case PIX_FMT_ARGB: out_argb (R,G,B,out); break;
case PIX_FMT_RGB24: out_rgb24 (R,G,B,out); break;
case PIX_FMT_BGR24: out_bgr24 (R,G,B,out); break;
default:
{
/* If this is reached, the caller should have called yuv2packedXinC
instead. */
static int printed_error_message;
if (!printed_error_message) {
av_log(c, AV_LOG_ERROR, "altivec_yuv2packedX doesn't support %s output\n",
sws_format_name(c->dstFormat));
printed_error_message=1;
}
return;
}
}
}
if (i < dstW) {
i -= 16;
Y0 = RND;
Y1 = RND;
/* extract 16 coeffs from lumSrc */
for (j=0; j<lumFilterSize; j++) {
X0 = vec_ld (0, &lumSrc[j][i]);
X1 = vec_ld (16, &lumSrc[j][i]);
Y0 = vec_mradds (X0, YCoeffs[j], Y0);
Y1 = vec_mradds (X1, YCoeffs[j], Y1);
}
U = RND;
V = RND;
/* extract 8 coeffs from U,V */
for (j=0; j<chrFilterSize; j++) {
X = vec_ld (0, &chrUSrc[j][i/2]);
U = vec_mradds (X, CCoeffs[j], U);
X = vec_ld (0, &chrVSrc[j][i/2]);
V = vec_mradds (X, CCoeffs[j], V);
}
/* scale and clip signals */
Y0 = vec_sra (Y0, SCL);
Y1 = vec_sra (Y1, SCL);
U = vec_sra (U, SCL);
V = vec_sra (V, SCL);
Y0 = vec_clip_s16 (Y0);
Y1 = vec_clip_s16 (Y1);
U = vec_clip_s16 (U);
V = vec_clip_s16 (V);
/* now we have
Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15
U = u0 u1 u2 u3 u4 u5 u6 u7 V = v0 v1 v2 v3 v4 v5 v6 v7
Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15
U0= u0 u0 u1 u1 u2 u2 u3 u3 U1= u4 u4 u5 u5 u6 u6 u7 u7
V0= v0 v0 v1 v1 v2 v2 v3 v3 V1= v4 v4 v5 v5 v6 v6 v7 v7
*/
U0 = vec_mergeh (U,U);
V0 = vec_mergeh (V,V);
U1 = vec_mergel (U,U);
V1 = vec_mergel (V,V);
cvtyuvtoRGB (c, Y0,U0,V0,&R0,&G0,&B0);
cvtyuvtoRGB (c, Y1,U1,V1,&R1,&G1,&B1);
R = vec_packclp (R0,R1);
G = vec_packclp (G0,G1);
B = vec_packclp (B0,B1);
nout = (vector unsigned char *)scratch;
switch(c->dstFormat) {
case PIX_FMT_ABGR: out_abgr (R,G,B,nout); break;
case PIX_FMT_BGRA: out_bgra (R,G,B,nout); break;
case PIX_FMT_RGBA: out_rgba (R,G,B,nout); break;
case PIX_FMT_ARGB: out_argb (R,G,B,nout); break;
case PIX_FMT_RGB24: out_rgb24 (R,G,B,nout); break;
case PIX_FMT_BGR24: out_bgr24 (R,G,B,nout); break;
default:
/* Unreachable, I think. */
av_log(c, AV_LOG_ERROR, "altivec_yuv2packedX doesn't support %s output\n",
sws_format_name(c->dstFormat));
return;
}
memcpy (&((uint32_t*)dest)[i], scratch, (dstW-i)/4);
}
}
| 8,029 |
qemu | 5543d1abb6e218a9d3b8887b777fd3947c86c4cf | 1 | static void arm_gic_common_realize(DeviceState *dev, Error **errp)
{
GICState *s = ARM_GIC_COMMON(dev);
int num_irq = s->num_irq;
if (s->num_cpu > GIC_NCPU) {
error_setg(errp, "requested %u CPUs exceeds GIC maximum %d",
s->num_cpu, GIC_NCPU);
s->num_irq += GIC_BASE_IRQ;
if (s->num_irq > GIC_MAXIRQ) {
error_setg(errp,
"requested %u interrupt lines exceeds GIC maximum %d",
num_irq, GIC_MAXIRQ);
/* ITLinesNumber is represented as (N / 32) - 1 (see
* gic_dist_readb) so this is an implementation imposed
* restriction, not an architectural one:
*/
if (s->num_irq < 32 || (s->num_irq % 32)) {
error_setg(errp,
"%d interrupt lines unsupported: not divisible by 32",
num_irq); | 8,031 |
qemu | 4c3b22459d3589cf84d1ccadc6b09e586497820d | 1 | static int lance_init(SysBusDevice *sbd)
{
DeviceState *dev = DEVICE(sbd);
SysBusPCNetState *d = SYSBUS_PCNET(dev);
PCNetState *s = &d->state;
memory_region_init_io(&s->mmio, OBJECT(d), &lance_mem_ops, d,
"lance-mmio", 4);
qdev_init_gpio_in(dev, parent_lance_reset, 1);
sysbus_init_mmio(sbd, &s->mmio);
sysbus_init_irq(sbd, &s->irq);
s->phys_mem_read = ledma_memory_read;
s->phys_mem_write = ledma_memory_write;
return pcnet_common_init(dev, s, &net_lance_info);
}
| 8,032 |
FFmpeg | 7cc84d241ba6ef8e27e4d057176a4ad385ad3d59 | 1 | static int vc9_decode_init(AVCodecContext *avctx)
{
VC9Context *v = avctx->priv_data;
MpegEncContext *s = &v->s;
GetBitContext gb;
if (!avctx->extradata_size || !avctx->extradata) return -1;
avctx->pix_fmt = PIX_FMT_YUV420P;
v->s.avctx = avctx;
if(ff_h263_decode_init(avctx) < 0)
return -1;
if (vc9_init_common(v) < 0) return -1;
avctx->coded_width = avctx->width;
avctx->coded_height = avctx->height;
if (avctx->codec_id == CODEC_ID_WMV3)
{
int count = 0;
// looks like WMV3 has a sequence header stored in the extradata
// advanced sequence header may be before the first frame
// the last byte of the extradata is a version number, 1 for the
// samples we can decode
init_get_bits(&gb, avctx->extradata, avctx->extradata_size);
decode_sequence_header(avctx, &gb);
count = avctx->extradata_size*8 - get_bits_count(&gb);
if (count>0)
{
av_log(avctx, AV_LOG_INFO, "Extra data: %i bits left, value: %X\n",
count, get_bits(&gb, count));
}
else
{
av_log(avctx, AV_LOG_INFO, "Read %i bits in overflow\n", -count);
}
}
avctx->has_b_frames= !!(avctx->max_b_frames);
s->mb_width = (avctx->coded_width+15)>>4;
s->mb_height = (avctx->coded_height+15)>>4;
/* Allocate mb bitplanes */
if (alloc_bitplane(&v->mv_type_mb_plane, s->mb_width, s->mb_height) < 0)
return -1;
if (alloc_bitplane(&v->mv_type_mb_plane, s->mb_width, s->mb_height) < 0)
return -1;
if (alloc_bitplane(&v->skip_mb_plane, s->mb_width, s->mb_height) < 0)
return -1;
if (alloc_bitplane(&v->direct_mb_plane, s->mb_width, s->mb_height) < 0)
return -1;
/* For predictors */
v->previous_line_cbpcy = (uint8_t *)av_malloc(s->mb_stride*4);
if (!v->previous_line_cbpcy) return -1;
#if HAS_ADVANCED_PROFILE
if (v->profile > PROFILE_MAIN)
{
if (alloc_bitplane(&v->over_flags_plane, s->mb_width, s->mb_height) < 0)
return -1;
if (alloc_bitplane(&v->ac_pred_plane, s->mb_width, s->mb_height) < 0)
return -1;
}
#endif
return 0;
}
| 8,033 |
FFmpeg | 4860625236475da20d0da954017e8c7fe412dea2 | 1 | yuv2rgb48_2_c_template(SwsContext *c, const int32_t *buf[2],
const int32_t *ubuf[2], const int32_t *vbuf[2],
const int32_t *abuf[2], uint16_t *dest, int dstW,
int yalpha, int uvalpha, int y,
enum PixelFormat target)
{
const int32_t *buf0 = buf[0], *buf1 = buf[1],
*ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
*vbuf0 = vbuf[0], *vbuf1 = vbuf[1];
int yalpha1 = 4095 - yalpha;
int uvalpha1 = 4095 - uvalpha;
int i;
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 14;
int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 14;
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha + (-128 << 23)) >> 14;
int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha + (-128 << 23)) >> 14;
int R, G, B;
Y1 -= c->yuv2rgb_y_offset;
Y2 -= c->yuv2rgb_y_offset;
Y1 *= c->yuv2rgb_y_coeff;
Y2 *= c->yuv2rgb_y_coeff;
Y1 += 1 << 13;
Y2 += 1 << 13;
R = V * c->yuv2rgb_v2r_coeff;
G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
B = U * c->yuv2rgb_u2b_coeff;
output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
dest += 6;
}
}
| 8,034 |
qemu | 52c91dac6bd891656f297dab76da51fc8bc61309 | 1 | void memory_region_init_alias(MemoryRegion *mr,
Object *owner,
const char *name,
MemoryRegion *orig,
hwaddr offset,
uint64_t size)
{
memory_region_init(mr, owner, name, size);
memory_region_ref(orig);
mr->destructor = memory_region_destructor_alias;
mr->alias = orig;
mr->alias_offset = offset;
}
| 8,035 |
qemu | c20b7fa4b2fedd979bcb0cc974bb5d08a10e3448 | 1 | static void monitor_protocol_event_handler(void *opaque)
{
MonitorEventState *evstate = opaque;
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
qemu_mutex_lock(&monitor_event_state_lock);
trace_monitor_protocol_event_handler(evstate->event,
evstate->data,
evstate->last,
now);
if (evstate->data) {
monitor_protocol_event_emit(evstate->event, evstate->data);
qobject_decref(evstate->data);
evstate->data = NULL;
}
evstate->last = now;
qemu_mutex_unlock(&monitor_event_state_lock);
}
| 8,036 |
qemu | 048c5fd1bfc787adcb1b726ce997e87fe44545fd | 1 | static coroutine_fn int qcow2_co_pdiscard(BlockDriverState *bs,
int64_t offset, int count)
{
int ret;
BDRVQcow2State *s = bs->opaque;
if (!QEMU_IS_ALIGNED(offset | count, s->cluster_size)) {
assert(count < s->cluster_size);
return -ENOTSUP;
}
qemu_co_mutex_lock(&s->lock);
ret = qcow2_discard_clusters(bs, offset, count >> BDRV_SECTOR_BITS,
QCOW2_DISCARD_REQUEST, false);
qemu_co_mutex_unlock(&s->lock);
return ret;
}
| 8,037 |
qemu | ad0ebb91cd8b5fdc4a583b03645677771f420a46 | 1 | void stb_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint8_t val)
{
spapr_tce_dma_write(dev, taddr, &val, sizeof(val));
}
| 8,038 |
FFmpeg | 87513d654546a99f8ddb045ca4fa5d33778a617e | 1 | static void to_meta_with_crop(AVCodecContext *avctx, AVFrame *p, int *dest)
{
int blockx, blocky, x, y;
int luma = 0;
int height = FFMIN(avctx->height, C64YRES);
int width = FFMIN(avctx->width , C64XRES);
uint8_t *src = p->data[0];
for (blocky = 0; blocky < C64YRES; blocky += 8) {
for (blockx = 0; blockx < C64XRES; blockx += 8) {
for (y = blocky; y < blocky + 8 && y < C64YRES; y++) {
for (x = blockx; x < blockx + 8 && x < C64XRES; x += 2) {
if(x < width && y < height) {
/* build average over 2 pixels */
luma = (src[(x + 0 + y * p->linesize[0])] +
src[(x + 1 + y * p->linesize[0])]) / 2;
/* write blocks as linear data now so they are suitable for elbg */
dest[0] = luma;
}
dest++;
}
}
}
}
}
| 8,039 |
FFmpeg | fdb8c455b637f86e2e85503b7e090fa448164398 | 1 | static int mxf_read_packet_old(AVFormatContext *s, AVPacket *pkt)
{
KLVPacket klv;
MXFContext *mxf = s->priv_data;
int ret;
while ((ret = klv_read_packet(&klv, s->pb)) == 0) {
PRINT_KEY(s, "read packet", klv.key);
av_log(s, AV_LOG_TRACE, "size %"PRIu64" offset %#"PRIx64"\n", klv.length, klv.offset);
if (IS_KLV_KEY(klv.key, mxf_encrypted_triplet_key)) {
ret = mxf_decrypt_triplet(s, pkt, &klv);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "invalid encoded triplet\n");
return ret;
}
return 0;
}
if (IS_KLV_KEY(klv.key, mxf_essence_element_key) ||
IS_KLV_KEY(klv.key, mxf_canopus_essence_element_key) ||
IS_KLV_KEY(klv.key, mxf_avid_essence_element_key)) {
int index = mxf_get_stream_index(s, &klv);
int64_t next_ofs, next_klv;
AVStream *st;
MXFTrack *track;
AVCodecParameters *par;
if (index < 0) {
av_log(s, AV_LOG_ERROR,
"error getting stream index %"PRIu32"\n",
AV_RB32(klv.key + 12));
goto skip;
}
st = s->streams[index];
track = st->priv_data;
if (s->streams[index]->discard == AVDISCARD_ALL)
goto skip;
next_klv = avio_tell(s->pb) + klv.length;
next_ofs = mxf_set_current_edit_unit(mxf, klv.offset);
if (next_ofs >= 0 && next_klv > next_ofs) {
/* if this check is hit then it's possible OPAtom was treated as OP1a
* truncate the packet since it's probably very large (>2 GiB is common) */
avpriv_request_sample(s,
"OPAtom misinterpreted as OP1a? "
"KLV for edit unit %i extending into "
"next edit unit",
mxf->current_edit_unit);
klv.length = next_ofs - avio_tell(s->pb);
}
/* check for 8 channels AES3 element */
if (klv.key[12] == 0x06 && klv.key[13] == 0x01 && klv.key[14] == 0x10) {
ret = mxf_get_d10_aes3_packet(s->pb, s->streams[index],
pkt, klv.length);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "error reading D-10 aes3 frame\n");
return ret;
}
} else {
ret = av_get_packet(s->pb, pkt, klv.length);
if (ret < 0)
return ret;
}
pkt->stream_index = index;
pkt->pos = klv.offset;
par = st->codecpar;
if (par->codec_type == AVMEDIA_TYPE_VIDEO && next_ofs >= 0) {
/* mxf->current_edit_unit good - see if we have an
* index table to derive timestamps from */
MXFIndexTable *t = &mxf->index_tables[0];
if (mxf->nb_index_tables >= 1 && mxf->current_edit_unit < t->nb_ptses) {
pkt->dts = mxf->current_edit_unit + t->first_dts;
pkt->pts = t->ptses[mxf->current_edit_unit];
} else if (track->intra_only) {
/* intra-only -> PTS = EditUnit.
* let utils.c figure out DTS since it can be < PTS if low_delay = 0 (Sony IMX30) */
pkt->pts = mxf->current_edit_unit;
}
} else if (par->codec_type == AVMEDIA_TYPE_AUDIO) {
ret = mxf_set_audio_pts(mxf, par, pkt);
if (ret < 0)
return ret;
}
/* seek for truncated packets */
avio_seek(s->pb, next_klv, SEEK_SET);
return 0;
} else
skip:
avio_skip(s->pb, klv.length);
}
return avio_feof(s->pb) ? AVERROR_EOF : ret;
}
| 8,040 |
FFmpeg | 709cae2bcbc0ea2c5d46c932b3d8301cf8f98e6b | 0 | static int vorbis_floor1_decode(vorbis_context *vc,
vorbis_floor_data *vfu, float *vec)
{
vorbis_floor1 *vf = &vfu->t1;
GetBitContext *gb = &vc->gb;
uint16_t range_v[4] = { 256, 128, 86, 64 };
unsigned range = range_v[vf->multiplier - 1];
uint16_t floor1_Y[258];
uint16_t floor1_Y_final[258];
int floor1_flag[258];
unsigned partition_class, cdim, cbits, csub, cval, offset, i, j;
int book, adx, ady, dy, off, predicted, err;
if (!get_bits1(gb)) // silence
return 1;
// Read values (or differences) for the floor's points
floor1_Y[0] = get_bits(gb, ilog(range - 1));
floor1_Y[1] = get_bits(gb, ilog(range - 1));
av_dlog(NULL, "floor 0 Y %d floor 1 Y %d \n", floor1_Y[0], floor1_Y[1]);
offset = 2;
for (i = 0; i < vf->partitions; ++i) {
partition_class = vf->partition_class[i];
cdim = vf->class_dimensions[partition_class];
cbits = vf->class_subclasses[partition_class];
csub = (1 << cbits) - 1;
cval = 0;
av_dlog(NULL, "Cbits %u\n", cbits);
if (cbits) // this reads all subclasses for this partition's class
cval = get_vlc2(gb, vc->codebooks[vf->class_masterbook[partition_class]].vlc.table,
vc->codebooks[vf->class_masterbook[partition_class]].nb_bits, 3);
for (j = 0; j < cdim; ++j) {
book = vf->subclass_books[partition_class][cval & csub];
av_dlog(NULL, "book %d Cbits %u cval %u bits:%d\n",
book, cbits, cval, get_bits_count(gb));
cval = cval >> cbits;
if (book > -1) {
floor1_Y[offset+j] = get_vlc2(gb, vc->codebooks[book].vlc.table,
vc->codebooks[book].nb_bits, 3);
} else {
floor1_Y[offset+j] = 0;
}
av_dlog(NULL, " floor(%d) = %d \n",
vf->list[offset+j].x, floor1_Y[offset+j]);
}
offset+=cdim;
}
// Amplitude calculation from the differences
floor1_flag[0] = 1;
floor1_flag[1] = 1;
floor1_Y_final[0] = floor1_Y[0];
floor1_Y_final[1] = floor1_Y[1];
for (i = 2; i < vf->x_list_dim; ++i) {
unsigned val, highroom, lowroom, room, high_neigh_offs, low_neigh_offs;
low_neigh_offs = vf->list[i].low;
high_neigh_offs = vf->list[i].high;
dy = floor1_Y_final[high_neigh_offs] - floor1_Y_final[low_neigh_offs]; // render_point begin
adx = vf->list[high_neigh_offs].x - vf->list[low_neigh_offs].x;
ady = FFABS(dy);
err = ady * (vf->list[i].x - vf->list[low_neigh_offs].x);
off = err / adx;
if (dy < 0) {
predicted = floor1_Y_final[low_neigh_offs] - off;
} else {
predicted = floor1_Y_final[low_neigh_offs] + off;
} // render_point end
val = floor1_Y[i];
highroom = range-predicted;
lowroom = predicted;
if (highroom < lowroom) {
room = highroom * 2;
} else {
room = lowroom * 2; // SPEC misspelling
}
if (val) {
floor1_flag[low_neigh_offs] = 1;
floor1_flag[high_neigh_offs] = 1;
floor1_flag[i] = 1;
if (val >= room) {
if (highroom > lowroom) {
floor1_Y_final[i] = av_clip_uint16(val - lowroom + predicted);
} else {
floor1_Y_final[i] = av_clip_uint16(predicted - val + highroom - 1);
}
} else {
if (val & 1) {
floor1_Y_final[i] = av_clip_uint16(predicted - (val + 1) / 2);
} else {
floor1_Y_final[i] = av_clip_uint16(predicted + val / 2);
}
}
} else {
floor1_flag[i] = 0;
floor1_Y_final[i] = av_clip_uint16(predicted);
}
av_dlog(NULL, " Decoded floor(%d) = %u / val %u\n",
vf->list[i].x, floor1_Y_final[i], val);
}
// Curve synth - connect the calculated dots and convert from dB scale FIXME optimize ?
ff_vorbis_floor1_render_list(vf->list, vf->x_list_dim, floor1_Y_final, floor1_flag, vf->multiplier, vec, vf->list[1].x);
av_dlog(NULL, " Floor decoded\n");
return 0;
}
| 8,041 |
FFmpeg | 4bf44785982278fae086d25063439cfa343382d7 | 0 | static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
enum PixelFormat srcFormat, enum PixelFormat dstFormat,
int srcW, int srcH, int dstW, int dstH, int flags)
{
static enum PixelFormat cur_srcFormat;
static int cur_srcW, cur_srcH;
static uint8_t *src[4];
static int srcStride[4];
uint8_t *dst[4] = {0};
uint8_t *out[4] = {0};
int dstStride[4];
int i;
uint64_t ssdY, ssdU=0, ssdV=0, ssdA=0;
struct SwsContext *dstContext = NULL, *outContext = NULL;
uint32_t crc = 0;
int res = 0;
if (cur_srcFormat != srcFormat || cur_srcW != srcW || cur_srcH != srcH) {
struct SwsContext *srcContext = NULL;
int p;
for (p = 0; p < 4; p++)
if (src[p])
av_freep(&src[p]);
av_image_fill_linesizes(srcStride, srcFormat, srcW);
for (p = 0; p < 4; p++) {
if (srcStride[p])
src[p] = av_mallocz(srcStride[p]*srcH+16);
if (srcStride[p] && !src[p]) {
perror("Malloc");
res = -1;
goto end;
}
}
srcContext = sws_getContext(w, h, PIX_FMT_YUVA420P, srcW, srcH,
srcFormat, SWS_BILINEAR, NULL, NULL, NULL);
if (!srcContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name,
av_pix_fmt_descriptors[srcFormat].name);
res = -1;
goto end;
}
sws_scale(srcContext, ref, refStride, 0, h, src, srcStride);
sws_freeContext(srcContext);
cur_srcFormat = srcFormat;
cur_srcW = srcW;
cur_srcH = srcH;
}
av_image_fill_linesizes(dstStride, dstFormat, dstW);
for (i=0; i<4; i++) {
/* Image buffers passed into libswscale can be allocated any way you
* prefer, as long as they're aligned enough for the architecture, and
* they're freed appropriately (such as using av_free for buffers
* allocated with av_malloc). */
/* An extra 16 bytes is being allocated because some scalers may write
* out of bounds. */
if (dstStride[i])
dst[i]= av_mallocz(dstStride[i]*dstH+16);
if (refStride[i])
out[i]= av_mallocz(refStride[i]*h);
if ((dstStride[i] && !dst[i]) || (refStride[i] && !out[i])) {
perror("Malloc");
res = -1;
goto end;
}
}
dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
if (!dstContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
av_pix_fmt_descriptors[srcFormat].name,
av_pix_fmt_descriptors[dstFormat].name);
res = -1;
goto end;
}
outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUVA420P, flags, NULL, NULL, NULL);
if (!outContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
av_pix_fmt_descriptors[dstFormat].name,
av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name);
res = -1;
goto end;
}
// printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2],
// (int)src[0], (int)src[1], (int)src[2]);
printf(" %s %dx%d -> %s %3dx%3d flags=%2d",
av_pix_fmt_descriptors[srcFormat].name, srcW, srcH,
av_pix_fmt_descriptors[dstFormat].name, dstW, dstH,
flags);
fflush(stdout);
sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride);
for (i = 0; i < 4 && dstStride[i]; i++) {
crc = av_crc(av_crc_get_table(AV_CRC_32_IEEE), crc, dst[i], dstStride[i] * dstH);
}
ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
if (hasChroma(srcFormat) && hasChroma(dstFormat)) {
//FIXME check that output is really gray
ssdU= getSSD(ref[1], out[1], refStride[1], refStride[1], (w+1)>>1, (h+1)>>1);
ssdV= getSSD(ref[2], out[2], refStride[2], refStride[2], (w+1)>>1, (h+1)>>1);
}
if (isALPHA(srcFormat) && isALPHA(dstFormat))
ssdA= getSSD(ref[3], out[3], refStride[3], refStride[3], w, h);
ssdY/= w*h;
ssdU/= w*h/4;
ssdV/= w*h/4;
ssdA/= w*h;
printf(" CRC=%08x SSD=%5"PRId64",%5"PRId64",%5"PRId64",%5"PRId64"\n",
crc, ssdY, ssdU, ssdV, ssdA);
end:
sws_freeContext(dstContext);
sws_freeContext(outContext);
for (i=0; i<4; i++) {
if (dstStride[i])
av_free(dst[i]);
if (refStride[i])
av_free(out[i]);
}
return res;
}
| 8,042 |
qemu | 09aa3bf382243151e77682b2e89f997349b306d8 | 0 | static uint64_t pl061_read(void *opaque, hwaddr offset,
unsigned size)
{
PL061State *s = (PL061State *)opaque;
if (offset >= 0xfd0 && offset < 0x1000) {
return s->id[(offset - 0xfd0) >> 2];
}
if (offset < 0x400) {
return s->data & (offset >> 2);
}
switch (offset) {
case 0x400: /* Direction */
return s->dir;
case 0x404: /* Interrupt sense */
return s->isense;
case 0x408: /* Interrupt both edges */
return s->ibe;
case 0x40c: /* Interrupt event */
return s->iev;
case 0x410: /* Interrupt mask */
return s->im;
case 0x414: /* Raw interrupt status */
return s->istate;
case 0x418: /* Masked interrupt status */
return s->istate & s->im;
case 0x420: /* Alternate function select */
return s->afsel;
case 0x500: /* 2mA drive */
return s->dr2r;
case 0x504: /* 4mA drive */
return s->dr4r;
case 0x508: /* 8mA drive */
return s->dr8r;
case 0x50c: /* Open drain */
return s->odr;
case 0x510: /* Pull-up */
return s->pur;
case 0x514: /* Pull-down */
return s->pdr;
case 0x518: /* Slew rate control */
return s->slr;
case 0x51c: /* Digital enable */
return s->den;
case 0x520: /* Lock */
return s->locked;
case 0x524: /* Commit */
return s->cr;
case 0x528: /* Analog mode select */
return s->amsel;
default:
qemu_log_mask(LOG_GUEST_ERROR,
"pl061_read: Bad offset %x\n", (int)offset);
return 0;
}
}
| 8,043 |
qemu | 6886867e9880830d735d8ae6f6cc63ed9eb2be0c | 0 | void address_space_unmap(AddressSpace *as, void *buffer, hwaddr len,
int is_write, hwaddr access_len)
{
if (buffer != bounce.buffer) {
MemoryRegion *mr;
ram_addr_t addr1;
mr = qemu_ram_addr_from_host(buffer, &addr1);
assert(mr != NULL);
if (is_write) {
while (access_len) {
unsigned l;
l = TARGET_PAGE_SIZE;
if (l > access_len)
l = access_len;
invalidate_and_set_dirty(addr1, l);
addr1 += l;
access_len -= l;
}
}
if (xen_enabled()) {
xen_invalidate_map_cache_entry(buffer);
}
memory_region_unref(mr);
return;
}
if (is_write) {
address_space_write(as, bounce.addr, bounce.buffer, access_len);
}
qemu_vfree(bounce.buffer);
bounce.buffer = NULL;
memory_region_unref(bounce.mr);
cpu_notify_map_clients();
}
| 8,045 |
qemu | 2975725f6b3d634dbe924ea9d9f4d86b8a5b217d | 0 | int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f)
{
SaveStateEntry *se;
cpu_synchronize_all_states();
QTAILQ_FOREACH(se, &savevm_handlers, entry) {
if (se->save_live_state == NULL)
continue;
/* Section type */
qemu_put_byte(f, QEMU_VM_SECTION_END);
qemu_put_be32(f, se->section_id);
se->save_live_state(mon, f, QEMU_VM_SECTION_END, se->opaque);
}
QTAILQ_FOREACH(se, &savevm_handlers, entry) {
int len;
if (se->save_state == NULL && se->vmsd == NULL)
continue;
/* Section type */
qemu_put_byte(f, QEMU_VM_SECTION_FULL);
qemu_put_be32(f, se->section_id);
/* ID string */
len = strlen(se->idstr);
qemu_put_byte(f, len);
qemu_put_buffer(f, (uint8_t *)se->idstr, len);
qemu_put_be32(f, se->instance_id);
qemu_put_be32(f, se->version_id);
vmstate_save(f, se);
}
qemu_put_byte(f, QEMU_VM_EOF);
return qemu_file_get_error(f);
}
| 8,047 |
qemu | b172c56a6d849554f7e43adc95983a9d6c042689 | 0 | clk_setup_cb cpu_ppc_tb_init (CPUState *env, uint32_t freq)
{
ppc_tb_t *tb_env;
tb_env = qemu_mallocz(sizeof(ppc_tb_t));
if (tb_env == NULL)
return NULL;
env->tb_env = tb_env;
/* Create new timer */
tb_env->decr_timer = qemu_new_timer(vm_clock, &cpu_ppc_decr_cb, env);
#if defined(TARGET_PPC64H)
tb_env->hdecr_timer = qemu_new_timer(vm_clock, &cpu_ppc_hdecr_cb, env);
#endif /* defined(TARGET_PPC64H) */
cpu_ppc_set_tb_clk(env, freq);
return &cpu_ppc_set_tb_clk;
}
| 8,048 |
qemu | c2b38b277a7882a592f4f2ec955084b2b756daaa | 0 | bool qemu_clock_has_timers(QEMUClockType type)
{
return timerlist_has_timers(
main_loop_tlg.tl[type]);
}
| 8,050 |
qemu | a89f364ae8740dfc31b321eed9ee454e996dc3c1 | 0 | static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr,
unsigned size)
{
PXA2xxI2CState *s = (PXA2xxI2CState *) opaque;
I2CSlave *slave;
addr -= s->offset;
switch (addr) {
case ICR:
return s->control;
case ISR:
return s->status | (i2c_bus_busy(s->bus) << 2);
case ISAR:
slave = I2C_SLAVE(s->slave);
return slave->address;
case IDBR:
return s->data;
case IBMR:
if (s->status & (1 << 2))
s->ibmr ^= 3; /* Fake SCL and SDA pin changes */
else
s->ibmr = 0;
return s->ibmr;
default:
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
break;
}
return 0;
}
| 8,051 |
qemu | 4be746345f13e99e468c60acbd3a355e8183e3ce | 0 | uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
{
IDEBus *bus = opaque;
IDEState *s = idebus_active_if(bus);
uint32_t addr;
int ret, hob;
addr = addr1 & 7;
/* FIXME: HOB readback uses bit 7, but it's always set right now */
//hob = s->select & (1 << 7);
hob = 0;
switch(addr) {
case 0:
ret = 0xff;
break;
case 1:
if ((!bus->ifs[0].bs && !bus->ifs[1].bs) ||
(s != bus->ifs && !s->bs))
ret = 0;
else if (!hob)
ret = s->error;
else
ret = s->hob_feature;
break;
case 2:
if (!bus->ifs[0].bs && !bus->ifs[1].bs)
ret = 0;
else if (!hob)
ret = s->nsector & 0xff;
else
ret = s->hob_nsector;
break;
case 3:
if (!bus->ifs[0].bs && !bus->ifs[1].bs)
ret = 0;
else if (!hob)
ret = s->sector;
else
ret = s->hob_sector;
break;
case 4:
if (!bus->ifs[0].bs && !bus->ifs[1].bs)
ret = 0;
else if (!hob)
ret = s->lcyl;
else
ret = s->hob_lcyl;
break;
case 5:
if (!bus->ifs[0].bs && !bus->ifs[1].bs)
ret = 0;
else if (!hob)
ret = s->hcyl;
else
ret = s->hob_hcyl;
break;
case 6:
if (!bus->ifs[0].bs && !bus->ifs[1].bs)
ret = 0;
else
ret = s->select;
break;
default:
case 7:
if ((!bus->ifs[0].bs && !bus->ifs[1].bs) ||
(s != bus->ifs && !s->bs))
ret = 0;
else
ret = s->status;
qemu_irq_lower(bus->irq);
break;
}
#ifdef DEBUG_IDE
printf("ide: read addr=0x%x val=%02x\n", addr1, ret);
#endif
return ret;
}
| 8,052 |
qemu | 459cc34290b2823403f9820345c8a83f66495e1d | 0 | static void disas_fp_2src(DisasContext *s, uint32_t insn)
{
unsupported_encoding(s, insn);
}
| 8,053 |
qemu | 4295e15aa730a95003a3639d6dad2eb1e65a59e2 | 0 | static const char *io_port_to_string(uint32_t io_port)
{
if (io_port >= QXL_IO_RANGE_SIZE) {
return "out of range";
}
static const char *io_port_to_string[QXL_IO_RANGE_SIZE + 1] = {
[QXL_IO_NOTIFY_CMD] = "QXL_IO_NOTIFY_CMD",
[QXL_IO_NOTIFY_CURSOR] = "QXL_IO_NOTIFY_CURSOR",
[QXL_IO_UPDATE_AREA] = "QXL_IO_UPDATE_AREA",
[QXL_IO_UPDATE_IRQ] = "QXL_IO_UPDATE_IRQ",
[QXL_IO_NOTIFY_OOM] = "QXL_IO_NOTIFY_OOM",
[QXL_IO_RESET] = "QXL_IO_RESET",
[QXL_IO_SET_MODE] = "QXL_IO_SET_MODE",
[QXL_IO_LOG] = "QXL_IO_LOG",
[QXL_IO_MEMSLOT_ADD] = "QXL_IO_MEMSLOT_ADD",
[QXL_IO_MEMSLOT_DEL] = "QXL_IO_MEMSLOT_DEL",
[QXL_IO_DETACH_PRIMARY] = "QXL_IO_DETACH_PRIMARY",
[QXL_IO_ATTACH_PRIMARY] = "QXL_IO_ATTACH_PRIMARY",
[QXL_IO_CREATE_PRIMARY] = "QXL_IO_CREATE_PRIMARY",
[QXL_IO_DESTROY_PRIMARY] = "QXL_IO_DESTROY_PRIMARY",
[QXL_IO_DESTROY_SURFACE_WAIT] = "QXL_IO_DESTROY_SURFACE_WAIT",
[QXL_IO_DESTROY_ALL_SURFACES] = "QXL_IO_DESTROY_ALL_SURFACES",
#if SPICE_INTERFACE_QXL_MINOR >= 1
[QXL_IO_UPDATE_AREA_ASYNC] = "QXL_IO_UPDATE_AREA_ASYNC",
[QXL_IO_MEMSLOT_ADD_ASYNC] = "QXL_IO_MEMSLOT_ADD_ASYNC",
[QXL_IO_CREATE_PRIMARY_ASYNC] = "QXL_IO_CREATE_PRIMARY_ASYNC",
[QXL_IO_DESTROY_PRIMARY_ASYNC] = "QXL_IO_DESTROY_PRIMARY_ASYNC",
[QXL_IO_DESTROY_SURFACE_ASYNC] = "QXL_IO_DESTROY_SURFACE_ASYNC",
[QXL_IO_DESTROY_ALL_SURFACES_ASYNC]
= "QXL_IO_DESTROY_ALL_SURFACES_ASYNC",
[QXL_IO_FLUSH_SURFACES_ASYNC] = "QXL_IO_FLUSH_SURFACES_ASYNC",
[QXL_IO_FLUSH_RELEASE] = "QXL_IO_FLUSH_RELEASE",
#endif
};
return io_port_to_string[io_port];
}
| 8,054 |
qemu | b03b2e48cb322cb695ff7a6666b25712140ea3c9 | 0 | static int timer_load(QEMUFile *f, void *opaque, int version_id)
{
if (version_id != 1 && version_id != 2)
return -EINVAL;
if (cpu_ticks_enabled) {
return -EINVAL;
}
cpu_ticks_offset=qemu_get_be64(f);
ticks_per_sec=qemu_get_be64(f);
if (version_id == 2) {
cpu_clock_offset=qemu_get_be64(f);
}
return 0;
}
| 8,055 |
qemu | a89f364ae8740dfc31b321eed9ee454e996dc3c1 | 0 | void omap_uwire_attach(struct omap_uwire_s *s,
uWireSlave *slave, int chipselect)
{
if (chipselect < 0 || chipselect > 3) {
fprintf(stderr, "%s: Bad chipselect %i\n", __FUNCTION__, chipselect);
exit(-1);
}
s->chip[chipselect] = slave;
}
| 8,056 |
FFmpeg | b926b6282d3b9fc8115660ae013f74f4f8c06d30 | 0 | int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max){
AVRational a0={0,1}, a1={1,0};
int sign= (num<0) ^ (den<0);
int64_t gcd= av_gcd(FFABS(num), FFABS(den));
if(gcd){
num = FFABS(num)/gcd;
den = FFABS(den)/gcd;
}
if(num<=max && den<=max){
a1= (AVRational){num, den};
den=0;
}
while(den){
uint64_t x = num / den;
int64_t next_den= num - den*x;
int64_t a2n= x*a1.num + a0.num;
int64_t a2d= x*a1.den + a0.den;
if(a2n > max || a2d > max){
if(a1.num) x= (max - a0.num) / a1.num;
if(a1.den) x= FFMIN(x, (max - a0.den) / a1.den);
if (den*(2*x*a1.den + a0.den) > num*a1.den)
a1 = (AVRational){x*a1.num + a0.num, x*a1.den + a0.den};
break;
}
a0= a1;
a1= (AVRational){a2n, a2d};
num= den;
den= next_den;
}
assert(av_gcd(a1.num, a1.den) <= 1U);
*dst_num = sign ? -a1.num : a1.num;
*dst_den = a1.den;
return den==0;
}
| 8,057 |
qemu | 6eb8f212d2686ed9b17077d554465df7ae06f805 | 0 | static void sigp_cpu_restart(void *arg)
{
CPUState *cs = arg;
S390CPU *cpu = S390_CPU(cs);
struct kvm_s390_irq irq = {
.type = KVM_S390_RESTART,
};
kvm_s390_vcpu_interrupt(cpu, &irq);
s390_cpu_set_state(CPU_STATE_OPERATING, cpu);
}
| 8,058 |
qemu | d14a68b6dc0cc01ddd4c1c7c5907b95c3938679c | 0 | print_insn_arg (const char *d,
unsigned char *buffer,
unsigned char *p0,
bfd_vma addr,
disassemble_info *info)
{
int val = 0;
int place = d[1];
unsigned char *p = p0;
int regno;
const char *regname;
unsigned char *p1;
double flval;
int flt_p;
bfd_signed_vma disp;
unsigned int uval;
switch (*d)
{
case 'c': /* Cache identifier. */
{
static const char *const cacheFieldName[] = { "nc", "dc", "ic", "bc" };
val = fetch_arg (buffer, place, 2, info);
(*info->fprintf_func) (info->stream, cacheFieldName[val]);
break;
}
case 'a': /* Address register indirect only. Cf. case '+'. */
{
(*info->fprintf_func)
(info->stream,
"%s@",
reg_names[fetch_arg (buffer, place, 3, info) + 8]);
break;
}
case '_': /* 32-bit absolute address for move16. */
{
uval = NEXTULONG (p);
(*info->print_address_func) (uval, info);
break;
}
case 'C':
(*info->fprintf_func) (info->stream, "%%ccr");
break;
case 'S':
(*info->fprintf_func) (info->stream, "%%sr");
break;
case 'U':
(*info->fprintf_func) (info->stream, "%%usp");
break;
case 'E':
(*info->fprintf_func) (info->stream, "%%acc");
break;
case 'G':
(*info->fprintf_func) (info->stream, "%%macsr");
break;
case 'H':
(*info->fprintf_func) (info->stream, "%%mask");
break;
case 'J':
{
/* FIXME: There's a problem here, different m68k processors call the
same address different names. This table can't get it right
because it doesn't know which processor it's disassembling for. */
static const struct { const char *name; int value; } names[]
= {{"%sfc", 0x000}, {"%dfc", 0x001}, {"%cacr", 0x002},
{"%tc", 0x003}, {"%itt0",0x004}, {"%itt1", 0x005},
{"%dtt0",0x006}, {"%dtt1",0x007}, {"%buscr",0x008},
{"%usp", 0x800}, {"%vbr", 0x801}, {"%caar", 0x802},
{"%msp", 0x803}, {"%isp", 0x804},
{"%flashbar", 0xc04}, {"%rambar", 0xc05}, /* mcf528x added these. */
/* Should we be calling this psr like we do in case 'Y'? */
{"%mmusr",0x805},
{"%urp", 0x806}, {"%srp", 0x807}, {"%pcr", 0x808}};
val = fetch_arg (buffer, place, 12, info);
for (regno = sizeof names / sizeof names[0] - 1; regno >= 0; regno--)
if (names[regno].value == val)
{
(*info->fprintf_func) (info->stream, "%s", names[regno].name);
break;
}
if (regno < 0)
(*info->fprintf_func) (info->stream, "%d", val);
}
break;
case 'Q':
val = fetch_arg (buffer, place, 3, info);
/* 0 means 8, except for the bkpt instruction... */
if (val == 0 && d[1] != 's')
val = 8;
(*info->fprintf_func) (info->stream, "#%d", val);
break;
case 'x':
val = fetch_arg (buffer, place, 3, info);
/* 0 means -1. */
if (val == 0)
val = -1;
(*info->fprintf_func) (info->stream, "#%d", val);
break;
case 'M':
if (place == 'h')
{
static const char *const scalefactor_name[] = { "<<", ">>" };
val = fetch_arg (buffer, place, 1, info);
(*info->fprintf_func) (info->stream, scalefactor_name[val]);
}
else
{
val = fetch_arg (buffer, place, 8, info);
if (val & 0x80)
val = val - 0x100;
(*info->fprintf_func) (info->stream, "#%d", val);
}
break;
case 'T':
val = fetch_arg (buffer, place, 4, info);
(*info->fprintf_func) (info->stream, "#%d", val);
break;
case 'D':
(*info->fprintf_func) (info->stream, "%s",
reg_names[fetch_arg (buffer, place, 3, info)]);
break;
case 'A':
(*info->fprintf_func)
(info->stream, "%s",
reg_names[fetch_arg (buffer, place, 3, info) + 010]);
break;
case 'R':
(*info->fprintf_func)
(info->stream, "%s",
reg_names[fetch_arg (buffer, place, 4, info)]);
break;
case 'r':
regno = fetch_arg (buffer, place, 4, info);
if (regno > 7)
(*info->fprintf_func) (info->stream, "%s@", reg_names[regno]);
else
(*info->fprintf_func) (info->stream, "@(%s)", reg_names[regno]);
break;
case 'F':
(*info->fprintf_func)
(info->stream, "%%fp%d",
fetch_arg (buffer, place, 3, info));
break;
case 'O':
val = fetch_arg (buffer, place, 6, info);
if (val & 0x20)
(*info->fprintf_func) (info->stream, "%s", reg_names[val & 7]);
else
(*info->fprintf_func) (info->stream, "%d", val);
break;
case '+':
(*info->fprintf_func)
(info->stream, "%s@+",
reg_names[fetch_arg (buffer, place, 3, info) + 8]);
break;
case '-':
(*info->fprintf_func)
(info->stream, "%s@-",
reg_names[fetch_arg (buffer, place, 3, info) + 8]);
break;
case 'k':
if (place == 'k')
(*info->fprintf_func)
(info->stream, "{%s}",
reg_names[fetch_arg (buffer, place, 3, info)]);
else if (place == 'C')
{
val = fetch_arg (buffer, place, 7, info);
if (val > 63) /* This is a signed constant. */
val -= 128;
(*info->fprintf_func) (info->stream, "{#%d}", val);
}
else
return -2;
break;
case '#':
case '^':
p1 = buffer + (*d == '#' ? 2 : 4);
if (place == 's')
val = fetch_arg (buffer, place, 4, info);
else if (place == 'C')
val = fetch_arg (buffer, place, 7, info);
else if (place == '8')
val = fetch_arg (buffer, place, 3, info);
else if (place == '3')
val = fetch_arg (buffer, place, 8, info);
else if (place == 'b')
val = NEXTBYTE (p1);
else if (place == 'w' || place == 'W')
val = NEXTWORD (p1);
else if (place == 'l')
val = NEXTLONG (p1);
else
return -2;
(*info->fprintf_func) (info->stream, "#%d", val);
break;
case 'B':
if (place == 'b')
disp = NEXTBYTE (p);
else if (place == 'B')
disp = COERCE_SIGNED_CHAR (buffer[1]);
else if (place == 'w' || place == 'W')
disp = NEXTWORD (p);
else if (place == 'l' || place == 'L' || place == 'C')
disp = NEXTLONG (p);
else if (place == 'g')
{
disp = NEXTBYTE (buffer);
if (disp == 0)
disp = NEXTWORD (p);
else if (disp == -1)
disp = NEXTLONG (p);
}
else if (place == 'c')
{
if (buffer[1] & 0x40) /* If bit six is one, long offset. */
disp = NEXTLONG (p);
else
disp = NEXTWORD (p);
}
else
return -2;
(*info->print_address_func) (addr + disp, info);
break;
case 'd':
val = NEXTWORD (p);
(*info->fprintf_func)
(info->stream, "%s@(%d)",
reg_names[fetch_arg (buffer, place, 3, info) + 8], val);
break;
case 's':
(*info->fprintf_func) (info->stream, "%s",
fpcr_names[fetch_arg (buffer, place, 3, info)]);
break;
case 'e':
val = fetch_arg(buffer, place, 2, info);
(*info->fprintf_func) (info->stream, "%%acc%d", val);
break;
case 'g':
val = fetch_arg(buffer, place, 1, info);
(*info->fprintf_func) (info->stream, "%%accext%s", val==0 ? "01" : "23");
break;
case 'i':
val = fetch_arg(buffer, place, 2, info);
if (val == 1)
(*info->fprintf_func) (info->stream, "<<");
else if (val == 3)
(*info->fprintf_func) (info->stream, ">>");
else
return -1;
break;
case 'I':
/* Get coprocessor ID... */
val = fetch_arg (buffer, 'd', 3, info);
if (val != 1) /* Unusual coprocessor ID? */
(*info->fprintf_func) (info->stream, "(cpid=%d) ", val);
break;
case '4':
case '*':
case '~':
case '%':
case ';':
case '@':
case '!':
case '$':
case '?':
case '/':
case '&':
case '|':
case '<':
case '>':
case 'm':
case 'n':
case 'o':
case 'p':
case 'q':
case 'v':
case 'b':
case 'w':
case 'y':
case 'z':
if (place == 'd')
{
val = fetch_arg (buffer, 'x', 6, info);
val = ((val & 7) << 3) + ((val >> 3) & 7);
}
else
val = fetch_arg (buffer, 's', 6, info);
/* If the <ea> is invalid for *d, then reject this match. */
if (!m68k_valid_ea (*d, val))
return -1;
/* Get register number assuming address register. */
regno = (val & 7) + 8;
regname = reg_names[regno];
switch (val >> 3)
{
case 0:
(*info->fprintf_func) (info->stream, "%s", reg_names[val]);
break;
case 1:
(*info->fprintf_func) (info->stream, "%s", regname);
break;
case 2:
(*info->fprintf_func) (info->stream, "%s@", regname);
break;
case 3:
(*info->fprintf_func) (info->stream, "%s@+", regname);
break;
case 4:
(*info->fprintf_func) (info->stream, "%s@-", regname);
break;
case 5:
val = NEXTWORD (p);
(*info->fprintf_func) (info->stream, "%s@(%d)", regname, val);
break;
case 6:
p = print_indexed (regno, p, addr, info);
break;
case 7:
switch (val & 7)
{
case 0:
val = NEXTWORD (p);
(*info->print_address_func) (val, info);
break;
case 1:
uval = NEXTULONG (p);
(*info->print_address_func) (uval, info);
break;
case 2:
val = NEXTWORD (p);
(*info->fprintf_func) (info->stream, "%%pc@(");
(*info->print_address_func) (addr + val, info);
(*info->fprintf_func) (info->stream, ")");
break;
case 3:
p = print_indexed (-1, p, addr, info);
break;
case 4:
flt_p = 1; /* Assume it's a float... */
switch (place)
{
case 'b':
val = NEXTBYTE (p);
flt_p = 0;
break;
case 'w':
val = NEXTWORD (p);
flt_p = 0;
break;
case 'l':
val = NEXTLONG (p);
flt_p = 0;
break;
case 'f':
NEXTSINGLE (flval, p);
break;
case 'F':
NEXTDOUBLE (flval, p);
break;
case 'x':
NEXTEXTEND (flval, p);
break;
case 'p':
flval = NEXTPACKED (p);
break;
default:
return -1;
}
if (flt_p) /* Print a float? */
(*info->fprintf_func) (info->stream, "#%g", flval);
else
(*info->fprintf_func) (info->stream, "#%d", val);
break;
default:
return -1;
}
}
/* If place is '/', then this is the case of the mask bit for
mac/emac loads. Now that the arg has been printed, grab the
mask bit and if set, add a '&' to the arg. */
if (place == '/')
{
val = fetch_arg (buffer, place, 1, info);
if (val)
info->fprintf_func (info->stream, "&");
}
break;
case 'L':
case 'l':
if (place == 'w')
{
char doneany;
p1 = buffer + 2;
val = NEXTWORD (p1);
/* Move the pointer ahead if this point is farther ahead
than the last. */
p = p1 > p ? p1 : p;
if (val == 0)
{
(*info->fprintf_func) (info->stream, "#0");
break;
}
if (*d == 'l')
{
int newval = 0;
for (regno = 0; regno < 16; ++regno)
if (val & (0x8000 >> regno))
newval |= 1 << regno;
val = newval;
}
val &= 0xffff;
doneany = 0;
for (regno = 0; regno < 16; ++regno)
if (val & (1 << regno))
{
int first_regno;
if (doneany)
(*info->fprintf_func) (info->stream, "/");
doneany = 1;
(*info->fprintf_func) (info->stream, "%s", reg_names[regno]);
first_regno = regno;
while (val & (1 << (regno + 1)))
++regno;
if (regno > first_regno)
(*info->fprintf_func) (info->stream, "-%s",
reg_names[regno]);
}
}
else if (place == '3')
{
/* `fmovem' insn. */
char doneany;
val = fetch_arg (buffer, place, 8, info);
if (val == 0)
{
(*info->fprintf_func) (info->stream, "#0");
break;
}
if (*d == 'l')
{
int newval = 0;
for (regno = 0; regno < 8; ++regno)
if (val & (0x80 >> regno))
newval |= 1 << regno;
val = newval;
}
val &= 0xff;
doneany = 0;
for (regno = 0; regno < 8; ++regno)
if (val & (1 << regno))
{
int first_regno;
if (doneany)
(*info->fprintf_func) (info->stream, "/");
doneany = 1;
(*info->fprintf_func) (info->stream, "%%fp%d", regno);
first_regno = regno;
while (val & (1 << (regno + 1)))
++regno;
if (regno > first_regno)
(*info->fprintf_func) (info->stream, "-%%fp%d", regno);
}
}
else if (place == '8')
{
/* fmoveml for FP status registers. */
(*info->fprintf_func) (info->stream, "%s",
fpcr_names[fetch_arg (buffer, place, 3,
info)]);
}
else
return -2;
break;
case 'X':
place = '8';
case 'Y':
case 'Z':
case 'W':
case '0':
case '1':
case '2':
case '3':
{
int val = fetch_arg (buffer, place, 5, info);
const char *name = 0;
switch (val)
{
case 2: name = "%tt0"; break;
case 3: name = "%tt1"; break;
case 0x10: name = "%tc"; break;
case 0x11: name = "%drp"; break;
case 0x12: name = "%srp"; break;
case 0x13: name = "%crp"; break;
case 0x14: name = "%cal"; break;
case 0x15: name = "%val"; break;
case 0x16: name = "%scc"; break;
case 0x17: name = "%ac"; break;
case 0x18: name = "%psr"; break;
case 0x19: name = "%pcsr"; break;
case 0x1c:
case 0x1d:
{
int break_reg = ((buffer[3] >> 2) & 7);
(*info->fprintf_func)
(info->stream, val == 0x1c ? "%%bad%d" : "%%bac%d",
break_reg);
}
break;
default:
(*info->fprintf_func) (info->stream, "<mmu register %d>", val);
}
if (name)
(*info->fprintf_func) (info->stream, "%s", name);
}
break;
case 'f':
{
int fc = fetch_arg (buffer, place, 5, info);
if (fc == 1)
(*info->fprintf_func) (info->stream, "%%dfc");
else if (fc == 0)
(*info->fprintf_func) (info->stream, "%%sfc");
else
/* xgettext:c-format */
(*info->fprintf_func) (info->stream, _("<function code %d>"), fc);
}
break;
case 'V':
(*info->fprintf_func) (info->stream, "%%val");
break;
case 't':
{
int level = fetch_arg (buffer, place, 3, info);
(*info->fprintf_func) (info->stream, "%d", level);
}
break;
case 'u':
{
short is_upper = 0;
int reg = fetch_arg (buffer, place, 5, info);
if (reg & 0x10)
{
is_upper = 1;
reg &= 0xf;
}
(*info->fprintf_func) (info->stream, "%s%s",
reg_half_names[reg],
is_upper ? "u" : "l");
}
break;
default:
return -2;
}
return p - p0;
}
| 8,059 |
qemu | 6b19a7d91c8de9904c67b87203a46e55db4181ab | 0 | static bool migration_object_check(MigrationState *ms, Error **errp)
{
if (!migrate_params_check(&ms->parameters, errp)) {
return false;
}
return true;
}
| 8,060 |
qemu | e1c37d0e94048502f9874e6356ce7136d4b05bdb | 0 | static MigrationState *migrate_init(Monitor *mon, int detach, int blk, int inc)
{
MigrationState *s = migrate_get_current();
int64_t bandwidth_limit = s->bandwidth_limit;
memset(s, 0, sizeof(*s));
s->bandwidth_limit = bandwidth_limit;
s->blk = blk;
s->shared = inc;
/* s->mon is used for two things:
- pass fd in fd migration
- suspend/resume monitor for not detached migration
*/
s->mon = mon;
s->bandwidth_limit = bandwidth_limit;
s->state = MIG_STATE_SETUP;
if (!detach) {
migrate_fd_monitor_suspend(s, mon);
}
return s;
}
| 8,061 |
qemu | 496272a7018ba01aa2b87a1a5ed866ff85133401 | 0 | static int find_pte64(CPUPPCState *env, mmu_ctx_t *ctx, int h,
int rw, int type, int target_page_bits)
{
hwaddr pteg_off;
target_ulong pte0, pte1;
int i, good = -1;
int ret, r;
ret = -1; /* No entry found */
pteg_off = get_pteg_offset(env, ctx->hash[h], HASH_PTE_SIZE_64);
for (i = 0; i < 8; i++) {
if (env->external_htab) {
pte0 = ldq_p(env->external_htab + pteg_off + (i * 16));
pte1 = ldq_p(env->external_htab + pteg_off + (i * 16) + 8);
} else {
pte0 = ldq_phys(env->htab_base + pteg_off + (i * 16));
pte1 = ldq_phys(env->htab_base + pteg_off + (i * 16) + 8);
}
r = pte64_check(ctx, pte0, pte1, h, rw, type);
LOG_MMU("Load pte from %016" HWADDR_PRIx " => " TARGET_FMT_lx " "
TARGET_FMT_lx " %d %d %d " TARGET_FMT_lx "\n",
pteg_off + (i * 16), pte0, pte1, (int)(pte0 & 1), h,
(int)((pte0 >> 1) & 1), ctx->ptem);
switch (r) {
case -3:
/* PTE inconsistency */
return -1;
case -2:
/* Access violation */
ret = -2;
good = i;
break;
case -1:
default:
/* No PTE match */
break;
case 0:
/* access granted */
/* XXX: we should go on looping to check all PTEs consistency
* but if we can speed-up the whole thing as the
* result would be undefined if PTEs are not consistent.
*/
ret = 0;
good = i;
goto done;
}
}
if (good != -1) {
done:
LOG_MMU("found PTE at addr %08" HWADDR_PRIx " prot=%01x ret=%d\n",
ctx->raddr, ctx->prot, ret);
/* Update page flags */
pte1 = ctx->raddr;
if (pte_update_flags(ctx, &pte1, ret, rw) == 1) {
if (env->external_htab) {
stq_p(env->external_htab + pteg_off + (good * 16) + 8,
pte1);
} else {
stq_phys_notdirty(env->htab_base + pteg_off +
(good * 16) + 8, pte1);
}
}
}
/* We have a TLB that saves 4K pages, so let's
* split a huge page to 4k chunks */
if (target_page_bits != TARGET_PAGE_BITS) {
ctx->raddr |= (ctx->eaddr & ((1 << target_page_bits) - 1))
& TARGET_PAGE_MASK;
}
return ret;
}
| 8,062 |
qemu | 280d373579558f73a8b70e329d9a6206933d3809 | 0 | static int qcow2_mark_dirty(BlockDriverState *bs)
{
BDRVQcowState *s = bs->opaque;
uint64_t val;
int ret;
assert(s->qcow_version >= 3);
if (s->incompatible_features & QCOW2_INCOMPAT_DIRTY) {
return 0; /* already dirty */
}
val = cpu_to_be64(s->incompatible_features | QCOW2_INCOMPAT_DIRTY);
ret = bdrv_pwrite(bs->file, offsetof(QCowHeader, incompatible_features),
&val, sizeof(val));
if (ret < 0) {
return ret;
}
ret = bdrv_flush(bs->file);
if (ret < 0) {
return ret;
}
/* Only treat image as dirty if the header was updated successfully */
s->incompatible_features |= QCOW2_INCOMPAT_DIRTY;
return 0;
}
| 8,063 |
FFmpeg | 64f6570c6e2c5a0344383e89c7897809f0c6e1f1 | 0 | static void decode_sigpass(Jpeg2000T1Context *t1, int width, int height,
int bpno, int bandno)
{
int mask = 3 << (bpno - 1), y0, x, y;
for (y0 = 0; y0 < height; y0 += 4)
for (x = 0; x < width; x++)
for (y = y0; y < height && y < y0 + 4; y++)
if ((t1->flags[y + 1][x + 1] & JPEG2000_T1_SIG_NB)
&& !(t1->flags[y + 1][x + 1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))) {
if (ff_mqc_decode(&t1->mqc,
t1->mqc.cx_states +
ff_jpeg2000_getsigctxno(t1->flags[y + 1][x + 1],
bandno))) {
int xorbit, ctxno = ff_jpeg2000_getsgnctxno(t1->flags[y + 1][x + 1],
&xorbit);
t1->data[y][x] =
(ff_mqc_decode(&t1->mqc,
t1->mqc.cx_states + ctxno) ^ xorbit)
? -mask : mask;
ff_jpeg2000_set_significance(t1, x, y,
t1->data[y][x] < 0);
}
t1->flags[y + 1][x + 1] |= JPEG2000_T1_VIS;
}
}
| 8,064 |
FFmpeg | 0b42631641d998e509cde6fa344edc6ab5cb4ac8 | 0 | static uint8_t get_tlm(Jpeg2000DecoderContext *s, int n)
{
uint8_t Stlm, ST, SP, tile_tlm, i;
bytestream_get_byte(&s->buf); /* Ztlm: skipped */
Stlm = bytestream_get_byte(&s->buf);
// too complex ? ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
ST = (Stlm >> 4) & 0x03;
// TODO: Manage case of ST = 0b11 --> raise error
SP = (Stlm >> 6) & 0x01;
tile_tlm = (n - 4) / ((SP + 1) * 2 + ST);
for (i = 0; i < tile_tlm; i++) {
switch (ST) {
case 0:
break;
case 1:
bytestream_get_byte(&s->buf);
break;
case 2:
bytestream_get_be16(&s->buf);
break;
case 3:
bytestream_get_be32(&s->buf);
break;
}
if (SP == 0) {
bytestream_get_be16(&s->buf);
} else {
bytestream_get_be32(&s->buf);
}
}
return 0;
}
| 8,066 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void esp_pci_io_write(void *opaque, target_phys_addr_t addr,
uint64_t val, unsigned int size)
{
PCIESPState *pci = opaque;
if (size < 4 || addr & 3) {
/* need to upgrade request: we only support 4-bytes accesses */
uint32_t current = 0, mask;
int shift;
if (addr < 0x40) {
current = pci->esp.wregs[addr >> 2];
} else if (addr < 0x60) {
current = pci->dma_regs[(addr - 0x40) >> 2];
} else if (addr < 0x74) {
current = pci->sbac;
}
shift = (4 - size) * 8;
mask = (~(uint32_t)0 << shift) >> shift;
shift = ((4 - (addr & 3)) & 3) * 8;
val <<= shift;
val |= current & ~(mask << shift);
addr &= ~3;
size = 4;
}
if (addr < 0x40) {
/* SCSI core reg */
esp_reg_write(&pci->esp, addr >> 2, val);
} else if (addr < 0x60) {
/* PCI DMA CCB */
esp_pci_dma_write(pci, (addr - 0x40) >> 2, val);
} else if (addr == 0x70) {
/* DMA SCSI Bus and control */
trace_esp_pci_sbac_write(pci->sbac, val);
pci->sbac = val;
} else {
trace_esp_pci_error_invalid_write((int)addr);
}
}
| 8,067 |
qemu | d20a580bc0eac9d489884f6d2ed28105880532b6 | 0 | static void spice_update_buttons(QemuSpicePointer *pointer,
int wheel, uint32_t button_mask)
{
static uint32_t bmap[INPUT_BUTTON__MAX] = {
[INPUT_BUTTON_LEFT] = 0x01,
[INPUT_BUTTON_MIDDLE] = 0x04,
[INPUT_BUTTON_RIGHT] = 0x02,
[INPUT_BUTTON_WHEEL_UP] = 0x10,
[INPUT_BUTTON_WHEEL_DOWN] = 0x20,
};
if (wheel < 0) {
button_mask |= 0x10;
}
if (wheel > 0) {
button_mask |= 0x20;
}
if (pointer->last_bmask == button_mask) {
return;
}
qemu_input_update_buttons(NULL, bmap, pointer->last_bmask, button_mask);
pointer->last_bmask = button_mask;
}
| 8,068 |
qemu | 72cf2d4f0e181d0d3a3122e04129c58a95da713e | 0 | Slirp *slirp_init(int restricted, struct in_addr vnetwork,
struct in_addr vnetmask, struct in_addr vhost,
const char *vhostname, const char *tftp_path,
const char *bootfile, struct in_addr vdhcp_start,
struct in_addr vnameserver, void *opaque)
{
Slirp *slirp = qemu_mallocz(sizeof(Slirp));
slirp_init_once();
slirp->restricted = restricted;
if_init(slirp);
ip_init(slirp);
/* Initialise mbufs *after* setting the MTU */
m_init(slirp);
slirp->vnetwork_addr = vnetwork;
slirp->vnetwork_mask = vnetmask;
slirp->vhost_addr = vhost;
if (vhostname) {
pstrcpy(slirp->client_hostname, sizeof(slirp->client_hostname),
vhostname);
}
if (tftp_path) {
slirp->tftp_prefix = qemu_strdup(tftp_path);
}
if (bootfile) {
slirp->bootp_filename = qemu_strdup(bootfile);
}
slirp->vdhcp_startaddr = vdhcp_start;
slirp->vnameserver_addr = vnameserver;
slirp->opaque = opaque;
register_savevm("slirp", 0, 3, slirp_state_save, slirp_state_load, slirp);
TAILQ_INSERT_TAIL(&slirp_instances, slirp, entry);
return slirp;
}
| 8,069 |
qemu | 786a4ea82ec9c87e3a895cf41081029b285a5fe5 | 0 | BdrvDirtyBitmap *bdrv_create_dirty_bitmap(BlockDriverState *bs, int granularity,
Error **errp)
{
int64_t bitmap_size;
BdrvDirtyBitmap *bitmap;
assert((granularity & (granularity - 1)) == 0);
granularity >>= BDRV_SECTOR_BITS;
assert(granularity);
bitmap_size = bdrv_nb_sectors(bs);
if (bitmap_size < 0) {
error_setg_errno(errp, -bitmap_size, "could not get length of device");
errno = -bitmap_size;
return NULL;
}
bitmap = g_new0(BdrvDirtyBitmap, 1);
bitmap->bitmap = hbitmap_alloc(bitmap_size, ffs(granularity) - 1);
QLIST_INSERT_HEAD(&bs->dirty_bitmaps, bitmap, list);
return bitmap;
}
| 8,070 |
qemu | a0efbf16604770b9d805bcf210ec29942321134f | 0 | static void mch_update_pciexbar(MCHPCIState *mch)
{
PCIDevice *pci_dev = PCI_DEVICE(mch);
BusState *bus = qdev_get_parent_bus(DEVICE(mch));
PCIExpressHost *pehb = PCIE_HOST_BRIDGE(bus->parent);
uint64_t pciexbar;
int enable;
uint64_t addr;
uint64_t addr_mask;
uint32_t length;
pciexbar = pci_get_quad(pci_dev->config + MCH_HOST_BRIDGE_PCIEXBAR);
enable = pciexbar & MCH_HOST_BRIDGE_PCIEXBAREN;
addr_mask = MCH_HOST_BRIDGE_PCIEXBAR_ADMSK;
switch (pciexbar & MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_MASK) {
case MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_256M:
length = 256 * 1024 * 1024;
break;
case MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_128M:
length = 128 * 1024 * 1024;
addr_mask |= MCH_HOST_BRIDGE_PCIEXBAR_128ADMSK |
MCH_HOST_BRIDGE_PCIEXBAR_64ADMSK;
break;
case MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_64M:
length = 64 * 1024 * 1024;
addr_mask |= MCH_HOST_BRIDGE_PCIEXBAR_64ADMSK;
break;
case MCH_HOST_BRIDGE_PCIEXBAR_LENGTH_RVD:
default:
enable = 0;
length = 0;
abort();
break;
}
addr = pciexbar & addr_mask;
pcie_host_mmcfg_update(pehb, enable, addr, length);
/* Leave enough space for the MCFG BAR */
/*
* TODO: this matches current bios behaviour, but it's not a power of two,
* which means an MTRR can't cover it exactly.
*/
if (enable) {
mch->pci_hole.begin = addr + length;
} else {
mch->pci_hole.begin = MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT;
}
}
| 8,072 |
FFmpeg | 20fa3fb93d0f3d3eab2b1f63a03168f492fae047 | 0 | static int get_cluster_duration(MOVTrack *track, int cluster_idx)
{
int64_t next_dts;
if (cluster_idx >= track->entry)
return 0;
if (cluster_idx + 1 == track->entry)
next_dts = track->track_duration + track->start_dts;
else
next_dts = track->cluster[cluster_idx + 1].dts;
return next_dts - track->cluster[cluster_idx].dts;
}
| 8,074 |
qemu | f6aa2f7dee920f6f06fefe122cf2a58cabe3cac0 | 0 | static inline int tcg_temp_new_internal(TCGType type, int temp_local)
{
TCGContext *s = &tcg_ctx;
TCGTemp *ts;
int idx, k;
k = type + (temp_local ? TCG_TYPE_COUNT : 0);
idx = find_first_bit(s->free_temps[k].l, TCG_MAX_TEMPS);
if (idx < TCG_MAX_TEMPS) {
/* There is already an available temp with the right type. */
clear_bit(idx, s->free_temps[k].l);
ts = &s->temps[idx];
ts->temp_allocated = 1;
assert(ts->base_type == type);
assert(ts->temp_local == temp_local);
} else {
idx = s->nb_temps;
#if TCG_TARGET_REG_BITS == 32
if (type == TCG_TYPE_I64) {
tcg_temp_alloc(s, s->nb_temps + 2);
ts = &s->temps[s->nb_temps];
ts->base_type = type;
ts->type = TCG_TYPE_I32;
ts->temp_allocated = 1;
ts->temp_local = temp_local;
ts->name = NULL;
ts++;
ts->base_type = TCG_TYPE_I32;
ts->type = TCG_TYPE_I32;
ts->temp_allocated = 1;
ts->temp_local = temp_local;
ts->name = NULL;
s->nb_temps += 2;
} else
#endif
{
tcg_temp_alloc(s, s->nb_temps + 1);
ts = &s->temps[s->nb_temps];
ts->base_type = type;
ts->type = type;
ts->temp_allocated = 1;
ts->temp_local = temp_local;
ts->name = NULL;
s->nb_temps++;
}
}
#if defined(CONFIG_DEBUG_TCG)
s->temps_in_use++;
#endif
return idx;
}
| 8,075 |
qemu | eabb7b91b36b202b4dac2df2d59d698e3aff197a | 0 | static void tcg_out_r(TCGContext *s, TCGArg t0)
{
assert(t0 < TCG_TARGET_NB_REGS);
tcg_out8(s, t0);
}
| 8,076 |
qemu | 3dc6f8693694a649a9c83f1e2746565b47683923 | 0 | ISADevice *pc_find_fdc0(void)
{
int i;
Object *container;
CheckFdcState state = { 0 };
for (i = 0; i < ARRAY_SIZE(fdc_container_path); i++) {
container = container_get(qdev_get_machine(), fdc_container_path[i]);
object_child_foreach(container, check_fdc, &state);
}
if (state.multiple) {
error_report("warning: multiple floppy disk controllers with "
"iobase=0x3f0 have been found");
error_printf("the one being picked for CMOS setup might not reflect "
"your intent\n");
}
return state.floppy;
}
| 8,077 |
qemu | a980f7f2c2f4d7e9a1eba4f804cd66dbd458b6d4 | 0 | static void qvirtio_scsi_start(const char *extra_opts)
{
char *cmdline;
cmdline = g_strdup_printf(
"-drive id=drv0,if=none,file=/dev/null,format=raw "
"-device virtio-scsi-pci,id=vs0 "
"-device scsi-hd,bus=vs0.0,drive=drv0 %s",
extra_opts ? : "");
qtest_start(cmdline);
g_free(cmdline);
}
| 8,079 |
qemu | 4cbd6c41fa3aa901e12e8158e8d22dd8f70f7a90 | 0 | static int kvm_s390_io_adapter_map(S390FLICState *fs, uint32_t id,
uint64_t map_addr, bool do_map)
{
struct kvm_s390_io_adapter_req req = {
.id = id,
.type = do_map ? KVM_S390_IO_ADAPTER_MAP : KVM_S390_IO_ADAPTER_UNMAP,
.addr = map_addr,
};
struct kvm_device_attr attr = {
.group = KVM_DEV_FLIC_ADAPTER_MODIFY,
.addr = (uint64_t)&req,
};
KVMS390FLICState *flic = KVM_S390_FLIC(fs);
int r;
if (!kvm_check_extension(kvm_state, KVM_CAP_IRQ_ROUTING)) {
/* nothing to do */
return 0;
}
r = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
return r ? -errno : 0;
}
| 8,080 |
qemu | 39ea3d4eaf1ff300ee55946108394729bc053dfa | 0 | uint32_t HELPER(get_r13_banked)(CPUState *env, uint32_t mode)
{
return env->banked_r13[bank_number(mode)];
}
| 8,082 |
qemu | 621ff94d5074d88253a5818c6b9c4db718fbfc65 | 0 | static void usb_msd_set_bootindex(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
USBDevice *dev = USB_DEVICE(obj);
MSDState *s = USB_STORAGE_DEV(dev);
int32_t boot_index;
Error *local_err = NULL;
visit_type_int32(v, name, &boot_index, &local_err);
if (local_err) {
goto out;
}
/* check whether bootindex is present in fw_boot_order list */
check_boot_index(boot_index, &local_err);
if (local_err) {
goto out;
}
/* change bootindex to a new one */
s->conf.bootindex = boot_index;
if (s->scsi_dev) {
object_property_set_int(OBJECT(s->scsi_dev), boot_index, "bootindex",
&error_abort);
}
out:
if (local_err) {
error_propagate(errp, local_err);
}
}
| 8,083 |
qemu | ad03502b3fa1c7e3046775077965030cc595b36e | 0 | static void e100_pci_reset(EEPRO100State * s, E100PCIDeviceInfo *e100_device)
{
uint32_t device = s->device;
uint8_t *pci_conf = s->dev.config;
TRACE(OTHER, logout("%p\n", s));
/* PCI Vendor ID */
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL);
/* PCI Device ID */
pci_config_set_device_id(pci_conf, e100_device->device_id);
/* PCI Status */
pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_DEVSEL_MEDIUM |
PCI_STATUS_FAST_BACK);
/* PCI Revision ID */
pci_config_set_revision(pci_conf, e100_device->revision);
pci_config_set_class(pci_conf, PCI_CLASS_NETWORK_ETHERNET);
/* PCI Latency Timer */
pci_set_byte(pci_conf + PCI_LATENCY_TIMER, 0x20); /* latency timer = 32 clocks */
/* Capability Pointer is set by PCI framework. */
/* Interrupt Line */
/* Interrupt Pin */
pci_set_byte(pci_conf + PCI_INTERRUPT_PIN, 1); /* interrupt pin A */
/* Minimum Grant */
pci_set_byte(pci_conf + PCI_MIN_GNT, 0x08);
/* Maximum Latency */
pci_set_byte(pci_conf + PCI_MAX_LAT, 0x18);
s->stats_size = e100_device->stats_size;
s->has_extended_tcb_support = e100_device->has_extended_tcb_support;
switch (device) {
case i82550:
case i82551:
case i82557A:
case i82557B:
case i82557C:
case i82558A:
case i82558B:
case i82559A:
case i82559B:
case i82559ER:
case i82562:
case i82801:
break;
case i82559C:
#if EEPROM_SIZE > 0
pci_set_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID, PCI_VENDOR_ID_INTEL);
pci_set_word(pci_conf + PCI_SUBSYSTEM_ID, 0x0040);
#endif
break;
default:
logout("Device %X is undefined!\n", device);
}
/* Standard TxCB. */
s->configuration[6] |= BIT(4);
/* Standard statistical counters. */
s->configuration[6] |= BIT(5);
if (s->stats_size == 80) {
/* TODO: check TCO Statistical Counters bit. Documentation not clear. */
if (s->configuration[6] & BIT(2)) {
/* TCO statistical counters. */
assert(s->configuration[6] & BIT(5));
} else {
if (s->configuration[6] & BIT(5)) {
/* No extended statistical counters, i82557 compatible. */
s->stats_size = 64;
} else {
/* i82558 compatible. */
s->stats_size = 76;
}
}
} else {
if (s->configuration[6] & BIT(5)) {
/* No extended statistical counters. */
s->stats_size = 64;
}
}
assert(s->stats_size > 0 && s->stats_size <= sizeof(s->statistics));
if (e100_device->power_management) {
/* Power Management Capabilities */
int cfg_offset = 0xdc;
int r = pci_add_capability(&s->dev, PCI_CAP_ID_PM,
cfg_offset, PCI_PM_SIZEOF);
assert(r >= 0);
pci_set_word(pci_conf + cfg_offset + PCI_PM_PMC, 0x7e21);
#if 0 /* TODO: replace dummy code for power management emulation. */
/* TODO: Power Management Control / Status. */
pci_set_word(pci_conf + cfg_offset + PCI_PM_CTRL, 0x0000);
/* TODO: Ethernet Power Consumption Registers (i82559 and later). */
pci_set_byte(pci_conf + cfg_offset + PCI_PM_PPB_EXTENSIONS, 0x0000);
#endif
}
#if EEPROM_SIZE > 0
if (device == i82557C || device == i82558B || device == i82559C) {
/*
TODO: get vendor id from EEPROM for i82557C or later.
TODO: get device id from EEPROM for i82557C or later.
TODO: status bit 4 can be disabled by EEPROM for i82558, i82559.
TODO: header type is determined by EEPROM for i82559.
TODO: get subsystem id from EEPROM for i82557C or later.
TODO: get subsystem vendor id from EEPROM for i82557C or later.
TODO: exp. rom baddr depends on a bit in EEPROM for i82558 or later.
TODO: capability pointer depends on EEPROM for i82558.
*/
logout("Get device id and revision from EEPROM!!!\n");
}
#endif /* EEPROM_SIZE > 0 */
}
| 8,084 |
qemu | a8a21be9855e0bb0947a7325d0d1741a8814f21e | 1 | int net_init_bridge(const NetClientOptions *opts, const char *name,
NetClientState *peer, Error **errp)
{
/* FIXME error_setg(errp, ...) on failure */
const NetdevBridgeOptions *bridge;
const char *helper, *br;
TAPState *s;
int fd, vnet_hdr;
assert(opts->kind == NET_CLIENT_OPTIONS_KIND_BRIDGE);
bridge = opts->bridge;
helper = bridge->has_helper ? bridge->helper : DEFAULT_BRIDGE_HELPER;
br = bridge->has_br ? bridge->br : DEFAULT_BRIDGE_INTERFACE;
fd = net_bridge_run_helper(helper, br);
if (fd == -1) {
return -1;
}
fcntl(fd, F_SETFL, O_NONBLOCK);
vnet_hdr = tap_probe_vnet_hdr(fd);
s = net_tap_fd_init(peer, "bridge", name, fd, vnet_hdr);
snprintf(s->nc.info_str, sizeof(s->nc.info_str), "helper=%s,br=%s", helper,
br);
return 0;
}
| 8,087 |
FFmpeg | 08509c8f86626815a3e9e68d600d1aacbb8df4bf | 1 | static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int Ah,
int Al, const uint8_t *mb_bitmask,
int mb_bitmask_size,
const AVFrame *reference)
{
int i, mb_x, mb_y;
uint8_t *data[MAX_COMPONENTS];
const uint8_t *reference_data[MAX_COMPONENTS];
int linesize[MAX_COMPONENTS];
GetBitContext mb_bitmask_gb = {0}; // initialize to silence gcc warning
int bytes_per_pixel = 1 + (s->bits > 8);
if (mb_bitmask) {
if (mb_bitmask_size != (s->mb_width * s->mb_height + 7)>>3) {
av_log(s->avctx, AV_LOG_ERROR, "mb_bitmask_size mismatches\n");
return AVERROR_INVALIDDATA;
}
init_get_bits(&mb_bitmask_gb, mb_bitmask, s->mb_width * s->mb_height);
}
s->restart_count = 0;
for (i = 0; i < nb_components; i++) {
int c = s->comp_index[i];
data[c] = s->picture_ptr->data[c];
reference_data[c] = reference ? reference->data[c] : NULL;
linesize[c] = s->linesize[c];
s->coefs_finished[c] |= 1;
}
for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
const int copy_mb = mb_bitmask && !get_bits1(&mb_bitmask_gb);
if (s->restart_interval && !s->restart_count)
s->restart_count = s->restart_interval;
if (get_bits_left(&s->gb) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "overread %d\n",
-get_bits_left(&s->gb));
return AVERROR_INVALIDDATA;
}
for (i = 0; i < nb_components; i++) {
uint8_t *ptr;
int n, h, v, x, y, c, j;
int block_offset;
n = s->nb_blocks[i];
c = s->comp_index[i];
h = s->h_scount[i];
v = s->v_scount[i];
x = 0;
y = 0;
for (j = 0; j < n; j++) {
block_offset = (((linesize[c] * (v * mb_y + y) * 8) +
(h * mb_x + x) * 8 * bytes_per_pixel) >> s->avctx->lowres);
if (s->interlaced && s->bottom_field)
block_offset += linesize[c] >> 1;
ptr = data[c] + block_offset;
if (!s->progressive) {
if (copy_mb)
mjpeg_copy_block(s, ptr, reference_data[c] + block_offset,
linesize[c], s->avctx->lowres);
else {
s->bdsp.clear_block(s->block);
if (decode_block(s, s->block, i,
s->dc_index[i], s->ac_index[i],
s->quant_matrixes[s->quant_sindex[i]]) < 0) {
av_log(s->avctx, AV_LOG_ERROR,
"error y=%d x=%d\n", mb_y, mb_x);
return AVERROR_INVALIDDATA;
}
s->idsp.idct_put(ptr, linesize[c], s->block);
if (s->bits & 7)
shift_output(s, ptr, linesize[c]);
}
} else {
int block_idx = s->block_stride[c] * (v * mb_y + y) +
(h * mb_x + x);
int16_t *block = s->blocks[c][block_idx];
if (Ah)
block[0] += get_bits1(&s->gb) *
s->quant_matrixes[s->quant_sindex[i]][0] << Al;
else if (decode_dc_progressive(s, block, i, s->dc_index[i],
s->quant_matrixes[s->quant_sindex[i]],
Al) < 0) {
av_log(s->avctx, AV_LOG_ERROR,
"error y=%d x=%d\n", mb_y, mb_x);
return AVERROR_INVALIDDATA;
}
}
av_dlog(s->avctx, "mb: %d %d processed\n", mb_y, mb_x);
av_dlog(s->avctx, "%d %d %d %d %d %d %d %d \n",
mb_x, mb_y, x, y, c, s->bottom_field,
(v * mb_y + y) * 8, (h * mb_x + x) * 8);
if (++x == h) {
x = 0;
y++;
}
}
}
handle_rstn(s, nb_components);
}
}
return 0;
}
| 8,089 |
qemu | d187e08dc4d0793dab1a9747b72b17a1cf0d3e43 | 1 | int kvm_cpu_exec(CPUState *cpu)
{
struct kvm_run *run = cpu->kvm_run;
int ret, run_ret;
DPRINTF("kvm_cpu_exec()\n");
if (kvm_arch_process_async_events(cpu)) {
cpu->exit_request = 0;
return EXCP_HLT;
}
qemu_mutex_unlock_iothread();
do {
MemTxAttrs attrs;
if (cpu->kvm_vcpu_dirty) {
kvm_arch_put_registers(cpu, KVM_PUT_RUNTIME_STATE);
cpu->kvm_vcpu_dirty = false;
}
kvm_arch_pre_run(cpu, run);
if (cpu->exit_request) {
DPRINTF("interrupt exit requested\n");
/*
* KVM requires us to reenter the kernel after IO exits to complete
* instruction emulation. This self-signal will ensure that we
* leave ASAP again.
*/
qemu_cpu_kick_self();
}
run_ret = kvm_vcpu_ioctl(cpu, KVM_RUN, 0);
attrs = kvm_arch_post_run(cpu, run);
if (run_ret < 0) {
if (run_ret == -EINTR || run_ret == -EAGAIN) {
DPRINTF("io window exit\n");
ret = EXCP_INTERRUPT;
break;
}
fprintf(stderr, "error: kvm run failed %s\n",
strerror(-run_ret));
#ifdef TARGET_PPC
if (run_ret == -EBUSY) {
fprintf(stderr,
"This is probably because your SMT is enabled.\n"
"VCPU can only run on primary threads with all "
"secondary threads offline.\n");
}
#endif
ret = -1;
break;
}
trace_kvm_run_exit(cpu->cpu_index, run->exit_reason);
switch (run->exit_reason) {
case KVM_EXIT_IO:
DPRINTF("handle_io\n");
/* Called outside BQL */
kvm_handle_io(run->io.port, attrs,
(uint8_t *)run + run->io.data_offset,
run->io.direction,
run->io.size,
run->io.count);
ret = 0;
break;
case KVM_EXIT_MMIO:
DPRINTF("handle_mmio\n");
/* Called outside BQL */
address_space_rw(&address_space_memory,
run->mmio.phys_addr, attrs,
run->mmio.data,
run->mmio.len,
run->mmio.is_write);
ret = 0;
break;
case KVM_EXIT_IRQ_WINDOW_OPEN:
DPRINTF("irq_window_open\n");
ret = EXCP_INTERRUPT;
break;
case KVM_EXIT_SHUTDOWN:
DPRINTF("shutdown\n");
qemu_system_reset_request();
ret = EXCP_INTERRUPT;
break;
case KVM_EXIT_UNKNOWN:
fprintf(stderr, "KVM: unknown exit, hardware reason %" PRIx64 "\n",
(uint64_t)run->hw.hardware_exit_reason);
ret = -1;
break;
case KVM_EXIT_INTERNAL_ERROR:
ret = kvm_handle_internal_error(cpu, run);
break;
case KVM_EXIT_SYSTEM_EVENT:
switch (run->system_event.type) {
case KVM_SYSTEM_EVENT_SHUTDOWN:
qemu_system_shutdown_request();
ret = EXCP_INTERRUPT;
break;
case KVM_SYSTEM_EVENT_RESET:
qemu_system_reset_request();
ret = EXCP_INTERRUPT;
break;
case KVM_SYSTEM_EVENT_CRASH:
qemu_mutex_lock_iothread();
qemu_system_guest_panicked();
qemu_mutex_unlock_iothread();
ret = 0;
break;
default:
DPRINTF("kvm_arch_handle_exit\n");
ret = kvm_arch_handle_exit(cpu, run);
break;
}
break;
default:
DPRINTF("kvm_arch_handle_exit\n");
ret = kvm_arch_handle_exit(cpu, run);
break;
}
} while (ret == 0);
qemu_mutex_lock_iothread();
if (ret < 0) {
cpu_dump_state(cpu, stderr, fprintf, CPU_DUMP_CODE);
vm_stop(RUN_STATE_INTERNAL_ERROR);
}
cpu->exit_request = 0;
return ret;
} | 8,090 |
FFmpeg | b1f517f503139ab9d0c406228b53663e86a128df | 0 | static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
{
MatroskaMuxContext *mkv = s->priv_data;
AVIOContext *pb = s->pb;
AVCodecContext *codec = s->streams[pkt->stream_index]->codec;
int keyframe = !!(pkt->flags & AV_PKT_FLAG_KEY);
int duration = pkt->duration;
int ret;
int64_t ts = mkv->tracks[pkt->stream_index].write_dts ? pkt->dts : pkt->pts;
if (ts == AV_NOPTS_VALUE) {
av_log(s, AV_LOG_ERROR, "Can't write packet with unknown timestamp\n");
return AVERROR(EINVAL);
}
if (!s->pb->seekable) {
if (!mkv->dyn_bc)
avio_open_dyn_buf(&mkv->dyn_bc);
pb = mkv->dyn_bc;
}
if (mkv->cluster_pos == -1) {
mkv->cluster_pos = avio_tell(s->pb);
mkv->cluster = start_ebml_master(pb, MATROSKA_ID_CLUSTER, 0);
put_ebml_uint(pb, MATROSKA_ID_CLUSTERTIMECODE, FFMAX(0, ts));
mkv->cluster_pts = FFMAX(0, ts);
}
if (codec->codec_type != AVMEDIA_TYPE_SUBTITLE) {
mkv_write_block(s, pb, MATROSKA_ID_SIMPLEBLOCK, pkt, keyframe << 7);
} else if (codec->codec_id == AV_CODEC_ID_SSA) {
duration = mkv_write_ass_blocks(s, pb, pkt);
} else if (codec->codec_id == AV_CODEC_ID_SRT) {
duration = mkv_write_srt_blocks(s, pb, pkt);
} else {
ebml_master blockgroup = start_ebml_master(pb, MATROSKA_ID_BLOCKGROUP, mkv_blockgroup_size(pkt->size));
/* For backward compatibility, prefer convergence_duration. */
if (pkt->convergence_duration > 0) {
duration = pkt->convergence_duration;
}
mkv_write_block(s, pb, MATROSKA_ID_BLOCK, pkt, 0);
put_ebml_uint(pb, MATROSKA_ID_BLOCKDURATION, duration);
end_ebml_master(pb, blockgroup);
}
if (codec->codec_type == AVMEDIA_TYPE_VIDEO && keyframe) {
ret = mkv_add_cuepoint(mkv->cues, pkt->stream_index, ts, mkv->cluster_pos);
if (ret < 0) return ret;
}
mkv->duration = FFMAX(mkv->duration, ts + duration);
return 0;
}
| 8,091 |
FFmpeg | 5c69a4fd682ae479f0921361b7953e6163bd3064 | 0 | static int adpcm_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
{
ADPCMContext *c = avctx->priv_data;
ADPCMChannelStatus *cs;
int n, m, channel, i;
int block_predictor[2];
short *samples;
uint8_t *src;
int st; /* stereo */
/* DK3 ADPCM accounting variables */
unsigned char last_byte = 0;
unsigned char nibble;
int decode_top_nibble_next = 0;
int diff_channel;
samples = data;
src = buf;
st = avctx->channels == 2;
switch(avctx->codec->id) {
case CODEC_ID_ADPCM_IMA_QT:
n = (buf_size - 2);/* >> 2*avctx->channels;*/
channel = c->channel;
cs = &(c->status[channel]);
/* (pppppp) (piiiiiii) */
/* Bits 15-7 are the _top_ 9 bits of the 16-bit initial predictor value */
cs->predictor = (*src++) << 8;
cs->predictor |= (*src & 0x80);
cs->predictor &= 0xFF80;
/* sign extension */
if(cs->predictor & 0x8000)
cs->predictor -= 0x10000;
CLAMP_TO_SHORT(cs->predictor);
cs->step_index = (*src++) & 0x7F;
if (cs->step_index > 88) fprintf(stderr, "ERROR: step_index = %i\n", cs->step_index);
if (cs->step_index > 88) cs->step_index = 88;
cs->step = step_table[cs->step_index];
if (st && channel)
samples++;
*samples++ = cs->predictor;
samples += st;
for(m=32; n>0 && m>0; n--, m--) { /* in QuickTime, IMA is encoded by chuncks of 34 bytes (=64 samples) */
*samples = adpcm_ima_expand_nibble(cs, src[0] & 0x0F);
samples += avctx->channels;
*samples = adpcm_ima_expand_nibble(cs, (src[0] >> 4) & 0x0F);
samples += avctx->channels;
src ++;
}
if(st) { /* handle stereo interlacing */
c->channel = (channel + 1) % 2; /* we get one packet for left, then one for right data */
if(channel == 0) { /* wait for the other packet before outputing anything */
*data_size = 0;
return src - buf;
}
}
break;
case CODEC_ID_ADPCM_IMA_WAV:
if (avctx->block_align != 0 && buf_size > avctx->block_align)
buf_size = avctx->block_align;
// XXX: do as per-channel loop
cs = &(c->status[0]);
cs->predictor = (*src++) & 0x0FF;
cs->predictor |= ((*src++) << 8) & 0x0FF00;
if(cs->predictor & 0x8000)
cs->predictor -= 0x10000;
CLAMP_TO_SHORT(cs->predictor);
// XXX: is this correct ??: *samples++ = cs->predictor;
cs->step_index = *src++;
if (cs->step_index < 0) cs->step_index = 0;
if (cs->step_index > 88) cs->step_index = 88;
if (*src++) fprintf(stderr, "unused byte should be null !!\n"); /* unused */
if (st) {
cs = &(c->status[1]);
cs->predictor = (*src++) & 0x0FF;
cs->predictor |= ((*src++) << 8) & 0x0FF00;
if(cs->predictor & 0x8000)
cs->predictor -= 0x10000;
CLAMP_TO_SHORT(cs->predictor);
// XXX: is this correct ??: *samples++ = cs->predictor;
cs->step_index = *src++;
if (cs->step_index < 0) cs->step_index = 0;
if (cs->step_index > 88) cs->step_index = 88;
src++; /* if != 0 -> out-of-sync */
}
for(m=4; src < (buf + buf_size);) {
*samples++ = adpcm_ima_expand_nibble(&c->status[0], src[0] & 0x0F);
if (st)
*samples++ = adpcm_ima_expand_nibble(&c->status[1], src[4] & 0x0F);
*samples++ = adpcm_ima_expand_nibble(&c->status[0], (src[0] >> 4) & 0x0F);
if (st) {
*samples++ = adpcm_ima_expand_nibble(&c->status[1], (src[4] >> 4) & 0x0F);
if (!--m) {
m=4;
src+=4;
}
}
src++;
}
break;
case CODEC_ID_ADPCM_4XM:
cs = &(c->status[0]);
c->status[0].predictor= (int16_t)(src[0] + (src[1]<<8)); src+=2;
if(st){
c->status[1].predictor= (int16_t)(src[0] + (src[1]<<8)); src+=2;
}
c->status[0].step_index= (int16_t)(src[0] + (src[1]<<8)); src+=2;
if(st){
c->status[1].step_index= (int16_t)(src[0] + (src[1]<<8)); src+=2;
}
// if (cs->step_index < 0) cs->step_index = 0;
// if (cs->step_index > 88) cs->step_index = 88;
m= (buf_size - (src - buf))>>st;
//printf("%d %d %d %d\n", st, m, c->status[0].predictor, c->status[0].step_index);
//FIXME / XXX decode chanels individual & interleave samples
for(i=0; i<m; i++) {
*samples++ = adpcm_4xa_expand_nibble(&c->status[0], src[i] & 0x0F);
if (st)
*samples++ = adpcm_4xa_expand_nibble(&c->status[1], src[i+m] & 0x0F);
*samples++ = adpcm_4xa_expand_nibble(&c->status[0], src[i] >> 4);
if (st)
*samples++ = adpcm_4xa_expand_nibble(&c->status[1], src[i+m] >> 4);
}
src += m<<st;
break;
case CODEC_ID_ADPCM_MS:
if (avctx->block_align != 0 && buf_size > avctx->block_align)
buf_size = avctx->block_align;
n = buf_size - 7 * avctx->channels;
if (n < 0)
return -1;
block_predictor[0] = (*src++); /* should be bound */
block_predictor[0] = (block_predictor[0] < 0)?(0):((block_predictor[0] > 7)?(7):(block_predictor[0]));
block_predictor[1] = 0;
if (st)
block_predictor[1] = (*src++);
block_predictor[1] = (block_predictor[1] < 0)?(0):((block_predictor[1] > 7)?(7):(block_predictor[1]));
c->status[0].idelta = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
if (c->status[0].idelta & 0x08000)
c->status[0].idelta -= 0x10000;
src+=2;
if (st)
c->status[1].idelta = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
if (st && c->status[1].idelta & 0x08000)
c->status[1].idelta |= 0xFFFF0000;
if (st)
src+=2;
c->status[0].coeff1 = AdaptCoeff1[block_predictor[0]];
c->status[0].coeff2 = AdaptCoeff2[block_predictor[0]];
c->status[1].coeff1 = AdaptCoeff1[block_predictor[1]];
c->status[1].coeff2 = AdaptCoeff2[block_predictor[1]];
c->status[0].sample1 = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
src+=2;
if (st) c->status[1].sample1 = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
if (st) src+=2;
c->status[0].sample2 = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
src+=2;
if (st) c->status[1].sample2 = ((*src & 0xFF) | ((src[1] << 8) & 0xFF00));
if (st) src+=2;
*samples++ = c->status[0].sample1;
if (st) *samples++ = c->status[1].sample1;
*samples++ = c->status[0].sample2;
if (st) *samples++ = c->status[1].sample2;
for(;n>0;n--) {
*samples++ = adpcm_ms_expand_nibble(&c->status[0], (src[0] >> 4) & 0x0F);
*samples++ = adpcm_ms_expand_nibble(&c->status[st], src[0] & 0x0F);
src ++;
}
break;
case CODEC_ID_ADPCM_IMA_DK4:
if (buf_size > BLKSIZE) {
if (avctx->block_align != 0)
buf_size = avctx->block_align;
else
buf_size = BLKSIZE;
}
c->status[0].predictor = (src[0] | (src[1] << 8));
c->status[0].step_index = src[2];
src += 4;
if(c->status[0].predictor & 0x8000)
c->status[0].predictor -= 0x10000;
*samples++ = c->status[0].predictor;
if (st) {
c->status[1].predictor = (src[0] | (src[1] << 8));
c->status[1].step_index = src[2];
src += 4;
if(c->status[1].predictor & 0x8000)
c->status[1].predictor -= 0x10000;
*samples++ = c->status[1].predictor;
}
while (src < buf + buf_size) {
/* take care of the top nibble (always left or mono channel) */
*samples++ = adpcm_ima_expand_nibble(&c->status[0],
(src[0] >> 4) & 0x0F);
/* take care of the bottom nibble, which is right sample for
* stereo, or another mono sample */
if (st)
*samples++ = adpcm_ima_expand_nibble(&c->status[1],
src[0] & 0x0F);
else
*samples++ = adpcm_ima_expand_nibble(&c->status[0],
src[0] & 0x0F);
src++;
}
break;
case CODEC_ID_ADPCM_IMA_DK3:
if (buf_size > BLKSIZE) {
if (avctx->block_align != 0)
buf_size = avctx->block_align;
else
buf_size = BLKSIZE;
}
c->status[0].predictor = (src[10] | (src[11] << 8));
c->status[1].predictor = (src[12] | (src[13] << 8));
c->status[0].step_index = src[14];
c->status[1].step_index = src[15];
/* sign extend the predictors */
if(c->status[0].predictor & 0x8000)
c->status[0].predictor -= 0x10000;
if(c->status[1].predictor & 0x8000)
c->status[1].predictor -= 0x10000;
src += 16;
diff_channel = c->status[1].predictor;
/* the DK3_GET_NEXT_NIBBLE macro issues the break statement when
* the buffer is consumed */
while (1) {
/* for this algorithm, c->status[0] is the sum channel and
* c->status[1] is the diff channel */
/* process the first predictor of the sum channel */
DK3_GET_NEXT_NIBBLE();
adpcm_ima_expand_nibble(&c->status[0], nibble);
/* process the diff channel predictor */
DK3_GET_NEXT_NIBBLE();
adpcm_ima_expand_nibble(&c->status[1], nibble);
/* process the first pair of stereo PCM samples */
diff_channel = (diff_channel + c->status[1].predictor) / 2;
*samples++ = c->status[0].predictor + c->status[1].predictor;
*samples++ = c->status[0].predictor - c->status[1].predictor;
/* process the second predictor of the sum channel */
DK3_GET_NEXT_NIBBLE();
adpcm_ima_expand_nibble(&c->status[0], nibble);
/* process the second pair of stereo PCM samples */
diff_channel = (diff_channel + c->status[1].predictor) / 2;
*samples++ = c->status[0].predictor + c->status[1].predictor;
*samples++ = c->status[0].predictor - c->status[1].predictor;
}
break;
case CODEC_ID_ADPCM_IMA_WS:
/* no per-block initialization; just start decoding the data */
while (src < buf + buf_size) {
if (st) {
*samples++ = adpcm_ima_expand_nibble(&c->status[0],
(src[0] >> 4) & 0x0F);
*samples++ = adpcm_ima_expand_nibble(&c->status[1],
src[0] & 0x0F);
} else {
*samples++ = adpcm_ima_expand_nibble(&c->status[0],
(src[0] >> 4) & 0x0F);
*samples++ = adpcm_ima_expand_nibble(&c->status[0],
src[0] & 0x0F);
}
src++;
}
break;
case CODEC_ID_ADPCM_XA:
c->status[0].sample1 = c->status[0].sample2 =
c->status[1].sample1 = c->status[1].sample2 = 0;
while (buf_size >= 128) {
xa_decode(samples, src, &c->status[0], &c->status[1],
avctx->channels);
src += 128;
samples += 28 * 8;
buf_size -= 128;
}
break;
default:
*data_size = 0;
return -1;
}
*data_size = (uint8_t *)samples - (uint8_t *)data;
return src - buf;
}
| 8,092 |
FFmpeg | 0b42631641d998e509cde6fa344edc6ab5cb4ac8 | 0 | static int jp2_find_codestream(Jpeg2000DecoderContext *s)
{
int32_t atom_size;
int found_codestream = 0, search_range = 10;
// Skip JPEG 2000 signature atom.
s->buf += 12;
while (!found_codestream && search_range) {
atom_size = AV_RB32(s->buf);
if (AV_RB32(s->buf + 4) == JP2_CODESTREAM) {
found_codestream = 1;
s->buf += 8;
} else {
s->buf += atom_size;
search_range--;
}
}
if (found_codestream)
return 1;
return 0;
}
| 8,094 |
qemu | 6ab3fc32ea640026726bc5f9f4db622d0954fb8a | 1 | parallel_ioport_write_sw(void *opaque, uint32_t addr, uint32_t val)
{
ParallelState *s = opaque;
pdebug("write addr=0x%02x val=0x%02x\n", addr, val);
addr &= 7;
switch(addr) {
case PARA_REG_DATA:
s->dataw = val;
parallel_update_irq(s);
break;
case PARA_REG_CTR:
val |= 0xc0;
if ((val & PARA_CTR_INIT) == 0 ) {
s->status = PARA_STS_BUSY;
s->status |= PARA_STS_ACK;
s->status |= PARA_STS_ONLINE;
s->status |= PARA_STS_ERROR;
}
else if (val & PARA_CTR_SELECT) {
if (val & PARA_CTR_STROBE) {
s->status &= ~PARA_STS_BUSY;
if ((s->control & PARA_CTR_STROBE) == 0)
qemu_chr_fe_write(s->chr, &s->dataw, 1);
} else {
if (s->control & PARA_CTR_INTEN) {
s->irq_pending = 1;
}
}
}
parallel_update_irq(s);
s->control = val;
break;
}
}
| 8,096 |
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