project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
|
|---|---|---|---|---|
qemu | 9bc3a3a216e2689bfcdd36c3e079333bbdbf3ba0 | 0 | static int ehci_state_waitlisthead(EHCIState *ehci, int async)
{
EHCIqh qh;
int i = 0;
int again = 0;
uint32_t entry = ehci->asynclistaddr;
/* set reclamation flag at start event (4.8.6) */
if (async) {
ehci_set_usbsts(ehci, USBSTS_REC);
}
ehci_queues_rip_unused(ehci, async, 0);
/* Find the head of the list (4.9.1.1) */
for(i = 0; i < MAX_QH; i++) {
get_dwords(ehci, NLPTR_GET(entry), (uint32_t *) &qh,
sizeof(EHCIqh) >> 2);
ehci_trace_qh(NULL, NLPTR_GET(entry), &qh);
if (qh.epchar & QH_EPCHAR_H) {
if (async) {
entry |= (NLPTR_TYPE_QH << 1);
}
ehci_set_fetch_addr(ehci, async, entry);
ehci_set_state(ehci, async, EST_FETCHENTRY);
again = 1;
goto out;
}
entry = qh.next;
if (entry == ehci->asynclistaddr) {
break;
}
}
/* no head found for list. */
ehci_set_state(ehci, async, EST_ACTIVE);
out:
return again;
}
| 27,249 |
qemu | b00c72180c36510bf9b124e190bd520e3b7e1358 | 0 | static void gen_rdhwr(DisasContext *ctx, int rt, int rd)
{
TCGv t0;
#if !defined(CONFIG_USER_ONLY)
/* The Linux kernel will emulate rdhwr if it's not supported natively.
Therefore only check the ISA in system mode. */
check_insn(ctx, ISA_MIPS32R2);
#endif
t0 = tcg_temp_new();
switch (rd) {
case 0:
gen_helper_rdhwr_cpunum(t0, cpu_env);
gen_store_gpr(t0, rt);
break;
case 1:
gen_helper_rdhwr_synci_step(t0, cpu_env);
gen_store_gpr(t0, rt);
break;
case 2:
gen_helper_rdhwr_cc(t0, cpu_env);
gen_store_gpr(t0, rt);
break;
case 3:
gen_helper_rdhwr_ccres(t0, cpu_env);
gen_store_gpr(t0, rt);
break;
case 29:
#if defined(CONFIG_USER_ONLY)
tcg_gen_ld_tl(t0, cpu_env,
offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
gen_store_gpr(t0, rt);
break;
#else
if ((ctx->hflags & MIPS_HFLAG_CP0) ||
(ctx->hflags & MIPS_HFLAG_HWRENA_ULR)) {
tcg_gen_ld_tl(t0, cpu_env,
offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
gen_store_gpr(t0, rt);
} else {
generate_exception_end(ctx, EXCP_RI);
}
break;
#endif
default: /* Invalid */
MIPS_INVAL("rdhwr");
generate_exception_end(ctx, EXCP_RI);
break;
}
tcg_temp_free(t0);
}
| 27,250 |
qemu | 439e2a6e10ed7f5da819bf7dcaa54b8cfdbeab0d | 0 | Aml *aml_shiftright(Aml *arg1, Aml *count)
{
Aml *var = aml_opcode(0x7A /* ShiftRightOp */);
aml_append(var, arg1);
aml_append(var, count);
build_append_byte(var->buf, 0x00); /* NullNameOp */
return var;
}
| 27,251 |
qemu | 37cc9f7f684ed035da63274daca1594c7ee16213 | 0 | static ssize_t handle_aiocb_write_zeroes(RawPosixAIOData *aiocb)
{
int ret = -EOPNOTSUPP;
BDRVRawState *s = aiocb->bs->opaque;
if (s->has_write_zeroes == 0) {
return -ENOTSUP;
}
if (aiocb->aio_type & QEMU_AIO_BLKDEV) {
#ifdef BLKZEROOUT
do {
uint64_t range[2] = { aiocb->aio_offset, aiocb->aio_nbytes };
if (ioctl(aiocb->aio_fildes, BLKZEROOUT, range) == 0) {
return 0;
}
} while (errno == EINTR);
ret = -errno;
#endif
} else {
#ifdef CONFIG_XFS
if (s->is_xfs) {
return xfs_write_zeroes(s, aiocb->aio_offset, aiocb->aio_nbytes);
}
#endif
}
ret = translate_err(ret);
if (ret == -ENOTSUP) {
s->has_write_zeroes = false;
}
return ret;
}
| 27,252 |
qemu | 9fd3171af9d7de2777bf38ce79c2fe3dd6f9a49e | 0 | int bdrv_open(BlockDriverState *bs, const char *filename, QDict *options,
int flags, BlockDriver *drv, Error **errp)
{
int ret;
/* TODO: extra byte is a hack to ensure MAX_PATH space on Windows. */
char tmp_filename[PATH_MAX + 1];
BlockDriverState *file = NULL;
QDict *file_options = NULL;
const char *drvname;
Error *local_err = NULL;
/* NULL means an empty set of options */
if (options == NULL) {
options = qdict_new();
}
bs->options = options;
options = qdict_clone_shallow(options);
/* For snapshot=on, create a temporary qcow2 overlay */
if (flags & BDRV_O_SNAPSHOT) {
BlockDriverState *bs1;
int64_t total_size;
BlockDriver *bdrv_qcow2;
QEMUOptionParameter *create_options;
char backing_filename[PATH_MAX];
if (qdict_size(options) != 0) {
error_setg(errp, "Can't use snapshot=on with driver-specific options");
ret = -EINVAL;
goto fail;
}
assert(filename != NULL);
/* if snapshot, we create a temporary backing file and open it
instead of opening 'filename' directly */
/* if there is a backing file, use it */
bs1 = bdrv_new("");
ret = bdrv_open(bs1, filename, NULL, 0, drv, &local_err);
if (ret < 0) {
bdrv_unref(bs1);
goto fail;
}
total_size = bdrv_getlength(bs1) & BDRV_SECTOR_MASK;
bdrv_unref(bs1);
ret = get_tmp_filename(tmp_filename, sizeof(tmp_filename));
if (ret < 0) {
error_setg_errno(errp, -ret, "Could not get temporary filename");
goto fail;
}
/* Real path is meaningless for protocols */
if (path_has_protocol(filename)) {
snprintf(backing_filename, sizeof(backing_filename),
"%s", filename);
} else if (!realpath(filename, backing_filename)) {
ret = -errno;
error_setg_errno(errp, errno, "Could not resolve path '%s'", filename);
goto fail;
}
bdrv_qcow2 = bdrv_find_format("qcow2");
create_options = parse_option_parameters("", bdrv_qcow2->create_options,
NULL);
set_option_parameter_int(create_options, BLOCK_OPT_SIZE, total_size);
set_option_parameter(create_options, BLOCK_OPT_BACKING_FILE,
backing_filename);
if (drv) {
set_option_parameter(create_options, BLOCK_OPT_BACKING_FMT,
drv->format_name);
}
ret = bdrv_create(bdrv_qcow2, tmp_filename, create_options, &local_err);
free_option_parameters(create_options);
if (ret < 0) {
error_setg_errno(errp, -ret, "Could not create temporary overlay "
"'%s': %s", tmp_filename,
error_get_pretty(local_err));
error_free(local_err);
local_err = NULL;
goto fail;
}
filename = tmp_filename;
drv = bdrv_qcow2;
bs->is_temporary = 1;
}
/* Open image file without format layer */
if (flags & BDRV_O_RDWR) {
flags |= BDRV_O_ALLOW_RDWR;
}
qdict_extract_subqdict(options, &file_options, "file.");
ret = bdrv_file_open(&file, filename, file_options,
bdrv_open_flags(bs, flags | BDRV_O_UNMAP), &local_err);
if (ret < 0) {
goto fail;
}
/* Find the right image format driver */
drvname = qdict_get_try_str(options, "driver");
if (drvname) {
drv = bdrv_find_format(drvname);
qdict_del(options, "driver");
if (!drv) {
error_setg(errp, "Invalid driver: '%s'", drvname);
ret = -EINVAL;
goto unlink_and_fail;
}
}
if (!drv) {
ret = find_image_format(file, filename, &drv, &local_err);
}
if (!drv) {
goto unlink_and_fail;
}
/* Open the image */
ret = bdrv_open_common(bs, file, options, flags, drv, &local_err);
if (ret < 0) {
goto unlink_and_fail;
}
if (bs->file != file) {
bdrv_unref(file);
file = NULL;
}
/* If there is a backing file, use it */
if ((flags & BDRV_O_NO_BACKING) == 0) {
QDict *backing_options;
qdict_extract_subqdict(options, &backing_options, "backing.");
ret = bdrv_open_backing_file(bs, backing_options, &local_err);
if (ret < 0) {
goto close_and_fail;
}
}
/* Check if any unknown options were used */
if (qdict_size(options) != 0) {
const QDictEntry *entry = qdict_first(options);
error_setg(errp, "Block format '%s' used by device '%s' doesn't "
"support the option '%s'", drv->format_name, bs->device_name,
entry->key);
ret = -EINVAL;
goto close_and_fail;
}
QDECREF(options);
if (!bdrv_key_required(bs)) {
bdrv_dev_change_media_cb(bs, true);
}
return 0;
unlink_and_fail:
if (file != NULL) {
bdrv_unref(file);
}
if (bs->is_temporary) {
unlink(filename);
}
fail:
QDECREF(bs->options);
QDECREF(options);
bs->options = NULL;
if (error_is_set(&local_err)) {
error_propagate(errp, local_err);
}
return ret;
close_and_fail:
bdrv_close(bs);
QDECREF(options);
if (error_is_set(&local_err)) {
error_propagate(errp, local_err);
}
return ret;
}
| 27,253 |
FFmpeg | 3a2b9911bffeffc3fc0541df3b4f6d492e122714 | 0 | static void filter(struct vf_priv_s *p, uint8_t *dst[3], uint8_t *src[3], int dst_stride[3], int src_stride[3], int width, int height){
int x, y, i;
for(i=0; i<3; i++){
p->frame->data[i]= src[i];
p->frame->linesize[i]= src_stride[i];
}
p->avctx_enc->me_cmp=
p->avctx_enc->me_sub_cmp= FF_CMP_SAD /*| (p->parity ? FF_CMP_ODD : FF_CMP_EVEN)*/;
p->frame->quality= p->qp*FF_QP2LAMBDA;
avcodec_encode_video(p->avctx_enc, p->outbuf, p->outbuf_size, p->frame);
p->frame_dec = p->avctx_enc->coded_frame;
for(i=0; i<3; i++){
int is_chroma= !!i;
int w= width >>is_chroma;
int h= height>>is_chroma;
int fils= p->frame_dec->linesize[i];
int srcs= src_stride[i];
for(y=0; y<h; y++){
if((y ^ p->parity) & 1){
for(x=0; x<w; x++){
if((x-2)+(y-1)*w>=0 && (x+2)+(y+1)*w<w*h){ //FIXME either alloc larger images or optimize this
uint8_t *filp= &p->frame_dec->data[i][x + y*fils];
uint8_t *srcp= &src[i][x + y*srcs];
int diff0= filp[-fils] - srcp[-srcs];
int diff1= filp[+fils] - srcp[+srcs];
int spatial_score= ABS(srcp[-srcs-1] - srcp[+srcs-1])
+ABS(srcp[-srcs ] - srcp[+srcs ])
+ABS(srcp[-srcs+1] - srcp[+srcs+1]) - 1;
int temp= filp[0];
#define CHECK(j)\
{ int score= ABS(srcp[-srcs-1+(j)] - srcp[+srcs-1-(j)])\
+ ABS(srcp[-srcs +(j)] - srcp[+srcs -(j)])\
+ ABS(srcp[-srcs+1+(j)] - srcp[+srcs+1-(j)]);\
if(score < spatial_score){\
spatial_score= score;\
diff0= filp[-fils+(j)] - srcp[-srcs+(j)];\
diff1= filp[+fils-(j)] - srcp[+srcs-(j)];
CHECK(-1) CHECK(-2) }} }}
CHECK( 1) CHECK( 2) }} }}
| 27,255 |
qemu | 1e2713384c58037ad44f716c31c08daca18862c5 | 1 | static void test_qga_config(gconstpointer data)
{
GError *error = NULL;
char *cwd, *cmd, *out, *err, *str, **strv, **argv = NULL;
char *env[2];
int status;
gsize n;
GKeyFile *kf;
cwd = g_get_current_dir();
cmd = g_strdup_printf("%s%cqemu-ga -D",
cwd, G_DIR_SEPARATOR);
g_shell_parse_argv(cmd, NULL, &argv, &error);
g_assert_no_error(error);
env[0] = g_strdup_printf("QGA_CONF=tests%cdata%ctest-qga-config",
G_DIR_SEPARATOR, G_DIR_SEPARATOR);
env[1] = NULL;
g_spawn_sync(NULL, argv, env, 0,
NULL, NULL, &out, &err, &status, &error);
g_strfreev(argv);
g_assert_no_error(error);
g_assert_cmpstr(err, ==, "");
g_assert_cmpint(status, ==, 0);
kf = g_key_file_new();
g_key_file_load_from_data(kf, out, -1, G_KEY_FILE_NONE, &error);
g_assert_no_error(error);
str = g_key_file_get_start_group(kf);
g_assert_cmpstr(str, ==, "general");
g_free(str);
g_assert_false(g_key_file_get_boolean(kf, "general", "daemon", &error));
g_assert_no_error(error);
str = g_key_file_get_string(kf, "general", "method", &error);
g_assert_no_error(error);
g_assert_cmpstr(str, ==, "virtio-serial");
g_free(str);
str = g_key_file_get_string(kf, "general", "path", &error);
g_assert_no_error(error);
g_assert_cmpstr(str, ==, "/path/to/org.qemu.guest_agent.0");
g_free(str);
str = g_key_file_get_string(kf, "general", "pidfile", &error);
g_assert_no_error(error);
g_assert_cmpstr(str, ==, "/var/foo/qemu-ga.pid");
g_free(str);
str = g_key_file_get_string(kf, "general", "statedir", &error);
g_assert_no_error(error);
g_assert_cmpstr(str, ==, "/var/state");
g_free(str);
g_assert_true(g_key_file_get_boolean(kf, "general", "verbose", &error));
g_assert_no_error(error);
strv = g_key_file_get_string_list(kf, "general", "blacklist", &n, &error);
g_assert_cmpint(n, ==, 2);
#if GLIB_CHECK_VERSION(2, 44, 0)
g_assert_true(g_strv_contains((const char * const *)strv,
"guest-ping"));
g_assert_true(g_strv_contains((const char * const *)strv,
"guest-get-time"));
#endif
g_assert_no_error(error);
g_strfreev(strv);
g_free(out);
g_free(err);
g_free(env[0]);
g_key_file_free(kf);
} | 27,258 |
FFmpeg | 7effbee66cf457c62f795d9b9ed3a1110b364b89 | 1 | static int apc_read_packet(AVFormatContext *s, AVPacket *pkt)
{
if (av_get_packet(s->pb, pkt, MAX_READ_SIZE) <= 0)
return AVERROR(EIO);
pkt->stream_index = 0;
return 0;
} | 27,260 |
qemu | 7385aed20db5d83979f683b9d0048674411e963c | 0 | void helper_fitoq(CPUSPARCState *env, int32_t src)
{
/* No possible exceptions converting int to long double. */
QT0 = int32_to_float128(src, &env->fp_status);
}
| 27,262 |
qemu | d0d7708ba29cbcc343364a46bff981e0ff88366f | 0 | int gdbserver_start(const char *device)
{
GDBState *s;
char gdbstub_device_name[128];
CharDriverState *chr = NULL;
CharDriverState *mon_chr;
if (!device)
return -1;
if (strcmp(device, "none") != 0) {
if (strstart(device, "tcp:", NULL)) {
/* enforce required TCP attributes */
snprintf(gdbstub_device_name, sizeof(gdbstub_device_name),
"%s,nowait,nodelay,server", device);
device = gdbstub_device_name;
}
#ifndef _WIN32
else if (strcmp(device, "stdio") == 0) {
struct sigaction act;
memset(&act, 0, sizeof(act));
act.sa_handler = gdb_sigterm_handler;
sigaction(SIGINT, &act, NULL);
}
#endif
chr = qemu_chr_new("gdb", device, NULL);
if (!chr)
return -1;
qemu_chr_fe_claim_no_fail(chr);
qemu_chr_add_handlers(chr, gdb_chr_can_receive, gdb_chr_receive,
gdb_chr_event, NULL);
}
s = gdbserver_state;
if (!s) {
s = g_malloc0(sizeof(GDBState));
gdbserver_state = s;
qemu_add_vm_change_state_handler(gdb_vm_state_change, NULL);
/* Initialize a monitor terminal for gdb */
mon_chr = qemu_chr_alloc();
mon_chr->chr_write = gdb_monitor_write;
monitor_init(mon_chr, 0);
} else {
if (s->chr)
qemu_chr_delete(s->chr);
mon_chr = s->mon_chr;
memset(s, 0, sizeof(GDBState));
}
s->c_cpu = first_cpu;
s->g_cpu = first_cpu;
s->chr = chr;
s->state = chr ? RS_IDLE : RS_INACTIVE;
s->mon_chr = mon_chr;
s->current_syscall_cb = NULL;
return 0;
}
| 27,263 |
qemu | eb700029c7836798046191d62d595363d92c84d4 | 0 | net_checksum_add_iov(const struct iovec *iov, const unsigned int iov_cnt,
uint32_t iov_off, uint32_t size)
{
size_t iovec_off, buf_off;
unsigned int i;
uint32_t res = 0;
uint32_t seq = 0;
iovec_off = 0;
buf_off = 0;
for (i = 0; i < iov_cnt && size; i++) {
if (iov_off < (iovec_off + iov[i].iov_len)) {
size_t len = MIN((iovec_off + iov[i].iov_len) - iov_off , size);
void *chunk_buf = iov[i].iov_base + (iov_off - iovec_off);
res += net_checksum_add_cont(len, chunk_buf, seq);
seq += len;
buf_off += len;
iov_off += len;
size -= len;
}
iovec_off += iov[i].iov_len;
}
return res;
}
| 27,265 |
qemu | 54bf36ed351c526cde0c853079f9ff1ab7e2ff89 | 0 | static inline int get_phys_addr(CPUARMState *env, target_ulong address,
int access_type, int is_user,
hwaddr *phys_ptr, int *prot,
target_ulong *page_size)
{
/* This is not entirely correct as get_phys_addr() can also be called
* from ats_write() for an address translation of a specific regime.
*/
uint32_t sctlr = A32_BANKED_CURRENT_REG_GET(env, sctlr);
/* Fast Context Switch Extension. */
if (address < 0x02000000)
address += env->cp15.c13_fcse;
if ((sctlr & SCTLR_M) == 0) {
/* MMU/MPU disabled. */
*phys_ptr = address;
*prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
*page_size = TARGET_PAGE_SIZE;
return 0;
} else if (arm_feature(env, ARM_FEATURE_MPU)) {
*page_size = TARGET_PAGE_SIZE;
return get_phys_addr_mpu(env, address, access_type, is_user, phys_ptr,
prot);
} else if (extended_addresses_enabled(env)) {
return get_phys_addr_lpae(env, address, access_type, is_user, phys_ptr,
prot, page_size);
} else if (sctlr & SCTLR_XP) {
return get_phys_addr_v6(env, address, access_type, is_user, phys_ptr,
prot, page_size);
} else {
return get_phys_addr_v5(env, address, access_type, is_user, phys_ptr,
prot, page_size);
}
}
| 27,267 |
qemu | 1960966d1b57628f730b66fe33cd2005846092e0 | 0 | DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi, int *fatal_error)
{
const char *buf;
const char *file = NULL;
char devname[128];
const char *serial;
const char *mediastr = "";
BlockInterfaceType type;
enum { MEDIA_DISK, MEDIA_CDROM } media;
int bus_id, unit_id;
int cyls, heads, secs, translation;
BlockDriver *drv = NULL;
int max_devs;
int index;
int ro = 0;
int bdrv_flags = 0;
int on_read_error, on_write_error;
const char *devaddr;
DriveInfo *dinfo;
int snapshot = 0;
int ret;
*fatal_error = 1;
translation = BIOS_ATA_TRANSLATION_AUTO;
if (default_to_scsi) {
type = IF_SCSI;
max_devs = MAX_SCSI_DEVS;
pstrcpy(devname, sizeof(devname), "scsi");
} else {
type = IF_IDE;
max_devs = MAX_IDE_DEVS;
pstrcpy(devname, sizeof(devname), "ide");
}
media = MEDIA_DISK;
/* extract parameters */
bus_id = qemu_opt_get_number(opts, "bus", 0);
unit_id = qemu_opt_get_number(opts, "unit", -1);
index = qemu_opt_get_number(opts, "index", -1);
cyls = qemu_opt_get_number(opts, "cyls", 0);
heads = qemu_opt_get_number(opts, "heads", 0);
secs = qemu_opt_get_number(opts, "secs", 0);
snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
ro = qemu_opt_get_bool(opts, "readonly", 0);
file = qemu_opt_get(opts, "file");
serial = qemu_opt_get(opts, "serial");
if ((buf = qemu_opt_get(opts, "if")) != NULL) {
pstrcpy(devname, sizeof(devname), buf);
if (!strcmp(buf, "ide")) {
type = IF_IDE;
max_devs = MAX_IDE_DEVS;
} else if (!strcmp(buf, "scsi")) {
type = IF_SCSI;
max_devs = MAX_SCSI_DEVS;
} else if (!strcmp(buf, "floppy")) {
type = IF_FLOPPY;
max_devs = 0;
} else if (!strcmp(buf, "pflash")) {
type = IF_PFLASH;
max_devs = 0;
} else if (!strcmp(buf, "mtd")) {
type = IF_MTD;
max_devs = 0;
} else if (!strcmp(buf, "sd")) {
type = IF_SD;
max_devs = 0;
} else if (!strcmp(buf, "virtio")) {
type = IF_VIRTIO;
max_devs = 0;
} else if (!strcmp(buf, "xen")) {
type = IF_XEN;
max_devs = 0;
} else if (!strcmp(buf, "none")) {
type = IF_NONE;
max_devs = 0;
} else {
error_report("unsupported bus type '%s'", buf);
return NULL;
}
}
if (cyls || heads || secs) {
if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
error_report("invalid physical cyls number");
return NULL;
}
if (heads < 1 || (type == IF_IDE && heads > 16)) {
error_report("invalid physical heads number");
return NULL;
}
if (secs < 1 || (type == IF_IDE && secs > 63)) {
error_report("invalid physical secs number");
return NULL;
}
}
if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
if (!cyls) {
error_report("'%s' trans must be used with cyls,heads and secs",
buf);
return NULL;
}
if (!strcmp(buf, "none"))
translation = BIOS_ATA_TRANSLATION_NONE;
else if (!strcmp(buf, "lba"))
translation = BIOS_ATA_TRANSLATION_LBA;
else if (!strcmp(buf, "auto"))
translation = BIOS_ATA_TRANSLATION_AUTO;
else {
error_report("'%s' invalid translation type", buf);
return NULL;
}
}
if ((buf = qemu_opt_get(opts, "media")) != NULL) {
if (!strcmp(buf, "disk")) {
media = MEDIA_DISK;
} else if (!strcmp(buf, "cdrom")) {
if (cyls || secs || heads) {
error_report("'%s' invalid physical CHS format", buf);
return NULL;
}
media = MEDIA_CDROM;
} else {
error_report("'%s' invalid media", buf);
return NULL;
}
}
if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
bdrv_flags |= BDRV_O_NOCACHE;
} else if (!strcmp(buf, "writeback")) {
bdrv_flags |= BDRV_O_CACHE_WB;
} else if (!strcmp(buf, "unsafe")) {
bdrv_flags |= BDRV_O_CACHE_WB;
bdrv_flags |= BDRV_O_NO_FLUSH;
} else if (!strcmp(buf, "writethrough")) {
/* this is the default */
} else {
error_report("invalid cache option");
return NULL;
}
}
#ifdef CONFIG_LINUX_AIO
if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
if (!strcmp(buf, "native")) {
bdrv_flags |= BDRV_O_NATIVE_AIO;
} else if (!strcmp(buf, "threads")) {
/* this is the default */
} else {
error_report("invalid aio option");
return NULL;
}
}
#endif
if ((buf = qemu_opt_get(opts, "format")) != NULL) {
if (strcmp(buf, "?") == 0) {
error_printf("Supported formats:");
bdrv_iterate_format(bdrv_format_print, NULL);
error_printf("\n");
return NULL;
}
drv = bdrv_find_whitelisted_format(buf);
if (!drv) {
error_report("'%s' invalid format", buf);
return NULL;
}
}
on_write_error = BLOCK_ERR_STOP_ENOSPC;
if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO && type != IF_NONE) {
error_report("werror is not supported by this bus type");
return NULL;
}
on_write_error = parse_block_error_action(buf, 0);
if (on_write_error < 0) {
return NULL;
}
}
on_read_error = BLOCK_ERR_REPORT;
if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
if (type != IF_IDE && type != IF_VIRTIO && type != IF_SCSI && type != IF_NONE) {
error_report("rerror is not supported by this bus type");
return NULL;
}
on_read_error = parse_block_error_action(buf, 1);
if (on_read_error < 0) {
return NULL;
}
}
if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
if (type != IF_VIRTIO) {
error_report("addr is not supported by this bus type");
return NULL;
}
}
/* compute bus and unit according index */
if (index != -1) {
if (bus_id != 0 || unit_id != -1) {
error_report("index cannot be used with bus and unit");
return NULL;
}
if (max_devs == 0)
{
unit_id = index;
bus_id = 0;
} else {
unit_id = index % max_devs;
bus_id = index / max_devs;
}
}
/* if user doesn't specify a unit_id,
* try to find the first free
*/
if (unit_id == -1) {
unit_id = 0;
while (drive_get(type, bus_id, unit_id) != NULL) {
unit_id++;
if (max_devs && unit_id >= max_devs) {
unit_id -= max_devs;
bus_id++;
}
}
}
/* check unit id */
if (max_devs && unit_id >= max_devs) {
error_report("unit %d too big (max is %d)",
unit_id, max_devs - 1);
return NULL;
}
/*
* ignore multiple definitions
*/
if (drive_get(type, bus_id, unit_id) != NULL) {
*fatal_error = 0;
return NULL;
}
/* init */
dinfo = qemu_mallocz(sizeof(*dinfo));
if ((buf = qemu_opts_id(opts)) != NULL) {
dinfo->id = qemu_strdup(buf);
} else {
/* no id supplied -> create one */
dinfo->id = qemu_mallocz(32);
if (type == IF_IDE || type == IF_SCSI)
mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
if (max_devs)
snprintf(dinfo->id, 32, "%s%i%s%i",
devname, bus_id, mediastr, unit_id);
else
snprintf(dinfo->id, 32, "%s%s%i",
devname, mediastr, unit_id);
}
dinfo->bdrv = bdrv_new(dinfo->id);
dinfo->devaddr = devaddr;
dinfo->type = type;
dinfo->bus = bus_id;
dinfo->unit = unit_id;
dinfo->opts = opts;
if (serial)
strncpy(dinfo->serial, serial, sizeof(dinfo->serial) - 1);
QTAILQ_INSERT_TAIL(&drives, dinfo, next);
bdrv_set_on_error(dinfo->bdrv, on_read_error, on_write_error);
switch(type) {
case IF_IDE:
case IF_SCSI:
case IF_XEN:
case IF_NONE:
switch(media) {
case MEDIA_DISK:
if (cyls != 0) {
bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
bdrv_set_translation_hint(dinfo->bdrv, translation);
}
break;
case MEDIA_CDROM:
bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
break;
}
break;
case IF_SD:
/* FIXME: This isn't really a floppy, but it's a reasonable
approximation. */
case IF_FLOPPY:
bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
break;
case IF_PFLASH:
case IF_MTD:
break;
case IF_VIRTIO:
/* add virtio block device */
opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
qemu_opt_set(opts, "driver", "virtio-blk-pci");
qemu_opt_set(opts, "drive", dinfo->id);
if (devaddr)
qemu_opt_set(opts, "addr", devaddr);
break;
case IF_COUNT:
abort();
}
if (!file || !*file) {
*fatal_error = 0;
return NULL;
}
if (snapshot) {
/* always use cache=unsafe with snapshot */
bdrv_flags &= ~BDRV_O_CACHE_MASK;
bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB|BDRV_O_NO_FLUSH);
}
if (media == MEDIA_CDROM) {
/* CDROM is fine for any interface, don't check. */
ro = 1;
} else if (ro == 1) {
if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY && type != IF_NONE) {
error_report("readonly not supported by this bus type");
return NULL;
}
}
bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
ret = bdrv_open(dinfo->bdrv, file, bdrv_flags, drv);
if (ret < 0) {
error_report("could not open disk image %s: %s",
file, strerror(-ret));
return NULL;
}
if (bdrv_key_required(dinfo->bdrv))
autostart = 0;
*fatal_error = 0;
return dinfo;
}
| 27,268 |
qemu | b3db211f3c80bb996a704d665fe275619f728bd4 | 0 | static void test_visitor_in_struct(TestInputVisitorData *data,
const void *unused)
{
TestStruct *p = NULL;
Visitor *v;
v = visitor_input_test_init(data, "{ 'integer': -42, 'boolean': true, 'string': 'foo' }");
visit_type_TestStruct(v, NULL, &p, &error_abort);
g_assert_cmpint(p->integer, ==, -42);
g_assert(p->boolean == true);
g_assert_cmpstr(p->string, ==, "foo");
g_free(p->string);
g_free(p);
}
| 27,270 |
qemu | 393a98924eb00df76231384b86652e1d5f964d67 | 0 | static int msix_add_config(struct PCIDevice *pdev, unsigned short nentries,
unsigned bar_nr, unsigned bar_size)
{
int config_offset;
uint8_t *config;
uint32_t new_size;
if (nentries < 1 || nentries > PCI_MSIX_FLAGS_QSIZE + 1)
return -EINVAL;
if (bar_size > 0x80000000)
return -ENOSPC;
/* Add space for MSI-X structures */
if (!bar_size) {
new_size = MSIX_PAGE_SIZE;
} else if (bar_size < MSIX_PAGE_SIZE) {
bar_size = MSIX_PAGE_SIZE;
new_size = MSIX_PAGE_SIZE * 2;
} else {
new_size = bar_size * 2;
}
pdev->msix_bar_size = new_size;
config_offset = pci_add_capability(pdev, PCI_CAP_ID_MSIX,
0, MSIX_CAP_LENGTH);
if (config_offset < 0)
return config_offset;
config = pdev->config + config_offset;
pci_set_word(config + PCI_MSIX_FLAGS, nentries - 1);
/* Table on top of BAR */
pci_set_long(config + PCI_MSIX_TABLE, bar_size | bar_nr);
/* Pending bits on top of that */
pci_set_long(config + PCI_MSIX_PBA, (bar_size + MSIX_PAGE_PENDING) |
bar_nr);
pdev->msix_cap = config_offset;
/* Make flags bit writable. */
pdev->wmask[config_offset + MSIX_CONTROL_OFFSET] |= MSIX_ENABLE_MASK |
MSIX_MASKALL_MASK;
pdev->msix_function_masked = true;
return 0;
}
| 27,271 |
qemu | 2f4d0f5990ede025720e41fa473029e9ca85e8b8 | 0 | void qmp_memsave(int64_t addr, int64_t size, const char *filename,
bool has_cpu, int64_t cpu_index, Error **errp)
{
FILE *f;
uint32_t l;
CPUState *cpu;
uint8_t buf[1024];
if (!has_cpu) {
cpu_index = 0;
}
cpu = qemu_get_cpu(cpu_index);
if (cpu == NULL) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
"a CPU number");
return;
}
f = fopen(filename, "wb");
if (!f) {
error_setg_file_open(errp, errno, filename);
return;
}
while (size != 0) {
l = sizeof(buf);
if (l > size)
l = size;
cpu_memory_rw_debug(cpu, addr, buf, l, 0);
if (fwrite(buf, 1, l, f) != l) {
error_set(errp, QERR_IO_ERROR);
goto exit;
}
addr += l;
size -= l;
}
exit:
fclose(f);
}
| 27,273 |
qemu | 4098d49db549e20a2d87ca3cced28ace6e5864bf | 0 | static void xen_platform_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
k->init = xen_platform_initfn;
k->vendor_id = PCI_VENDOR_ID_XEN;
k->device_id = PCI_DEVICE_ID_XEN_PLATFORM;
k->class_id = PCI_CLASS_OTHERS << 8 | 0x80;
k->subsystem_vendor_id = PCI_VENDOR_ID_XEN;
k->subsystem_id = PCI_DEVICE_ID_XEN_PLATFORM;
k->revision = 1;
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
dc->desc = "XEN platform pci device";
dc->reset = platform_reset;
dc->vmsd = &vmstate_xen_platform;
}
| 27,274 |
qemu | 62112d181ca33fea976100c4335dfc3e2f727e6c | 0 | int net_init_slirp(QemuOpts *opts,
Monitor *mon,
const char *name,
VLANState *vlan)
{
struct slirp_config_str *config;
const char *vhost;
const char *vhostname;
const char *vdhcp_start;
const char *vnamesrv;
const char *tftp_export;
const char *bootfile;
const char *smb_export;
const char *vsmbsrv;
char *vnet = NULL;
int restricted = 0;
int ret;
vhost = qemu_opt_get(opts, "host");
vhostname = qemu_opt_get(opts, "hostname");
vdhcp_start = qemu_opt_get(opts, "dhcpstart");
vnamesrv = qemu_opt_get(opts, "dns");
tftp_export = qemu_opt_get(opts, "tftp");
bootfile = qemu_opt_get(opts, "bootfile");
smb_export = qemu_opt_get(opts, "smb");
vsmbsrv = qemu_opt_get(opts, "smbserver");
if (qemu_opt_get(opts, "ip")) {
const char *ip = qemu_opt_get(opts, "ip");
int l = strlen(ip) + strlen("/24") + 1;
vnet = qemu_malloc(l);
/* emulate legacy ip= parameter */
pstrcpy(vnet, l, ip);
pstrcat(vnet, l, "/24");
}
if (qemu_opt_get(opts, "net")) {
if (vnet) {
qemu_free(vnet);
}
vnet = qemu_strdup(qemu_opt_get(opts, "net"));
}
if (qemu_opt_get(opts, "restrict") &&
qemu_opt_get(opts, "restrict")[0] == 'y') {
restricted = 1;
}
qemu_opt_foreach(opts, net_init_slirp_configs, NULL, 0);
ret = net_slirp_init(vlan, "user", name, restricted, vnet, vhost,
vhostname, tftp_export, bootfile, vdhcp_start,
vnamesrv, smb_export, vsmbsrv);
while (slirp_configs) {
config = slirp_configs;
slirp_configs = config->next;
qemu_free(config);
}
if (ret != -1 && vlan) {
vlan->nb_host_devs++;
}
qemu_free(vnet);
return ret;
}
| 27,277 |
qemu | 30ca440eec9fe1d7eec5a48addac656438778278 | 0 | static QOSState *qvirtio_9p_start(void)
{
const char *cmd = "-fsdev local,id=fsdev0,security_model=none,path=%s "
"-device virtio-9p-pci,fsdev=fsdev0,mount_tag=%s";
test_share = g_strdup("/tmp/qtest.XXXXXX");
g_assert_nonnull(mkdtemp(test_share));
return qtest_pc_boot(cmd, test_share, mount_tag);
}
| 27,278 |
qemu | 6f442fe83821a06c5408056c7879e83a74f2ff32 | 1 | static void test_read_without_media(void)
{
uint8_t ret;
ret = send_read_command();
g_assert(ret == 0);
}
| 27,279 |
qemu | 4f298a4b2957b7833bc607c951ca27c458d98d88 | 1 | static void set_acpi_power_state(IPMIBmcSim *ibs,
uint8_t *cmd, unsigned int cmd_len,
uint8_t *rsp, unsigned int *rsp_len,
unsigned int max_rsp_len)
{
IPMI_CHECK_CMD_LEN(4);
ibs->acpi_power_state[0] = cmd[2];
ibs->acpi_power_state[1] = cmd[3];
}
| 27,280 |
qemu | cd7bc87868d534f95e928cad98e2a52df7695771 | 1 | static void usb_uas_unrealize(USBDevice *dev, Error **errp)
{
UASDevice *uas = USB_UAS(dev);
qemu_bh_delete(uas->status_bh);
} | 27,281 |
FFmpeg | c89658008705d949c319df3fa6f400c481ad73e1 | 0 | static int sdp_parse(AVFormatContext *s, const char *content)
{
const char *p;
int letter;
/* Some SDP lines, particularly for Realmedia or ASF RTSP streams,
* contain long SDP lines containing complete ASF Headers (several
* kB) or arrays of MDPR (RM stream descriptor) headers plus
* "rulebooks" describing their properties. Therefore, the SDP line
* buffer is large.
*
* The Vorbis FMTP line can be up to 16KB - see sdp_parse_fmtp. */
char buf[16384], *q;
SDPParseState sdp_parse_state, *s1 = &sdp_parse_state;
memset(s1, 0, sizeof(SDPParseState));
p = content;
for(;;) {
skip_spaces(&p);
letter = *p;
if (letter == '\0')
break;
p++;
if (*p != '=')
goto next_line;
p++;
/* get the content */
q = buf;
while (*p != '\n' && *p != '\r' && *p != '\0') {
if ((q - buf) < sizeof(buf) - 1)
*q++ = *p;
p++;
}
*q = '\0';
sdp_parse_line(s, s1, letter, buf);
next_line:
while (*p != '\n' && *p != '\0')
p++;
if (*p == '\n')
p++;
}
return 0;
}
| 27,282 |
FFmpeg | aaa7d2fafcc375d8cdef25a289008821c9c2fbaa | 1 | static void flush_change(H264Context *h)
{
h->outputed_poc = h->next_outputed_poc = INT_MIN;
h->prev_interlaced_frame = 1;
idr(h);
h->prev_frame_num = -1;
if (h->s.current_picture_ptr)
h->s.current_picture_ptr->f.reference = 0;
h->s.first_field = 0;
memset(h->ref_list[0], 0, sizeof(h->ref_list[0]));
memset(h->ref_list[1], 0, sizeof(h->ref_list[1]));
memset(h->default_ref_list[0], 0, sizeof(h->default_ref_list[0]));
memset(h->default_ref_list[1], 0, sizeof(h->default_ref_list[1]));
ff_h264_reset_sei(h);
h->recovery_frame= -1;
h->sync= 0;
h->list_count = 0;
h->current_slice = 0;
}
| 27,283 |
qemu | 3a661f1eabf7e8db66e28489884d9b54aacb94ea | 1 | int qcrypto_cipher_decrypt(QCryptoCipher *cipher,
const void *in,
void *out,
size_t len,
Error **errp)
{
QCryptoCipherNettle *ctx = cipher->opaque;
switch (cipher->mode) {
case QCRYPTO_CIPHER_MODE_ECB:
ctx->alg_decrypt(ctx->ctx_decrypt ? ctx->ctx_decrypt : ctx->ctx_encrypt,
len, out, in);
break;
case QCRYPTO_CIPHER_MODE_CBC:
cbc_decrypt(ctx->ctx_decrypt ? ctx->ctx_decrypt : ctx->ctx_encrypt,
ctx->alg_decrypt, ctx->niv, ctx->iv,
len, out, in);
break;
default:
error_setg(errp, "Unsupported cipher algorithm %d",
cipher->alg);
return -1;
}
return 0;
}
| 27,284 |
qemu | e7c8526b2a1482a9b14319fda9f8ad4bfda5b958 | 1 | static void ahci_migrate(AHCIQState *from, AHCIQState *to, const char *uri)
{
QOSState *tmp = to->parent;
QPCIDevice *dev = to->dev;
char *uri_local = NULL;
if (uri == NULL) {
uri_local = g_strdup_printf("%s%s", "unix:", mig_socket);
uri = uri_local;
}
/* context will be 'to' after completion. */
migrate(from->parent, to->parent, uri);
/* We'd like for the AHCIState objects to still point
* to information specific to its specific parent
* instance, but otherwise just inherit the new data. */
memcpy(to, from, sizeof(AHCIQState));
to->parent = tmp;
to->dev = dev;
tmp = from->parent;
dev = from->dev;
memset(from, 0x00, sizeof(AHCIQState));
from->parent = tmp;
from->dev = dev;
verify_state(to);
g_free(uri_local);
}
| 27,285 |
qemu | 53510bfc1256711365cd2a841649f3ad5a79790f | 1 | static int kvm_virtio_pci_vq_vector_unmask(VirtIOPCIProxy *proxy,
unsigned int queue_no,
unsigned int vector,
MSIMessage msg)
{
VirtQueue *vq = virtio_get_queue(proxy->vdev, queue_no);
EventNotifier *n = virtio_queue_get_guest_notifier(vq);
VirtIOIRQFD *irqfd = &proxy->vector_irqfd[vector];
int ret;
if (irqfd->msg.data != msg.data || irqfd->msg.address != msg.address) {
ret = kvm_irqchip_update_msi_route(kvm_state, irqfd->virq, msg);
if (ret < 0) {
return ret;
}
}
/* If guest supports masking, irqfd is already setup, unmask it.
* Otherwise, set it up now.
*/
if (proxy->vdev->guest_notifier_mask) {
proxy->vdev->guest_notifier_mask(proxy->vdev, queue_no, false);
/* Test after unmasking to avoid losing events. */
if (proxy->vdev->guest_notifier_pending &&
proxy->vdev->guest_notifier_pending(proxy->vdev, queue_no)) {
event_notifier_set(n);
}
} else {
ret = kvm_virtio_pci_irqfd_use(proxy, queue_no, vector);
}
return ret;
}
| 27,286 |
qemu | 273e4e03b3413fd489601cd9d8ba407ccb3b4130 | 1 | static int vvfat_open(BlockDriverState *bs, const char* dirname, int flags)
{
BDRVVVFATState *s = bs->opaque;
int floppy = 0;
int i;
#ifdef DEBUG
vvv = s;
#endif
DLOG(if (stderr == NULL) {
stderr = fopen("vvfat.log", "a");
setbuf(stderr, NULL);
})
s->bs = bs;
s->fat_type=16;
/* LATER TODO: if FAT32, adjust */
s->sectors_per_cluster=0x10;
/* 504MB disk*/
bs->cyls=1024; bs->heads=16; bs->secs=63;
s->current_cluster=0xffffffff;
s->first_sectors_number=0x40;
/* read only is the default for safety */
bs->read_only = 1;
s->qcow = s->write_target = NULL;
s->qcow_filename = NULL;
s->fat2 = NULL;
s->downcase_short_names = 1;
if (!strstart(dirname, "fat:", NULL))
return -1;
if (strstr(dirname, ":floppy:")) {
floppy = 1;
s->fat_type = 12;
s->first_sectors_number = 1;
s->sectors_per_cluster=2;
bs->cyls = 80; bs->heads = 2; bs->secs = 36;
}
if (strstr(dirname, ":32:")) {
fprintf(stderr, "Big fat greek warning: FAT32 has not been tested. You are welcome to do so!\n");
s->fat_type = 32;
} else if (strstr(dirname, ":16:")) {
s->fat_type = 16;
} else if (strstr(dirname, ":12:")) {
s->fat_type = 12;
bs->secs = 18;
}
s->sector_count=bs->cyls*bs->heads*bs->secs-(s->first_sectors_number-1);
if (strstr(dirname, ":rw:")) {
if (enable_write_target(s))
return -1;
bs->read_only = 0;
}
i = strrchr(dirname, ':') - dirname;
assert(i >= 3);
if (dirname[i-2] == ':' && qemu_isalpha(dirname[i-1]))
/* workaround for DOS drive names */
dirname += i-1;
else
dirname += i+1;
bs->total_sectors=bs->cyls*bs->heads*bs->secs;
if(init_directories(s, dirname))
return -1;
s->sector_count = s->faked_sectors + s->sectors_per_cluster*s->cluster_count;
if(s->first_sectors_number==0x40)
init_mbr(s);
/* for some reason or other, MS-DOS does not like to know about CHS... */
if (floppy)
bs->heads = bs->cyls = bs->secs = 0;
// assert(is_consistent(s));
qemu_co_mutex_init(&s->lock);
return 0;
}
| 27,287 |
qemu | 619d7ae952bb61ec27ec21fe4a383a8d4dd4cd70 | 1 | VirtIODevice *virtio_scsi_init(DeviceState *dev, VirtIOSCSIConf *proxyconf)
{
VirtIOSCSI *s;
static int virtio_scsi_id;
size_t sz;
int i;
sz = sizeof(VirtIOSCSI) + proxyconf->num_queues * sizeof(VirtQueue *);
s = (VirtIOSCSI *)virtio_common_init("virtio-scsi", VIRTIO_ID_SCSI,
sizeof(VirtIOSCSIConfig), sz);
s->qdev = dev;
s->conf = proxyconf;
/* TODO set up vdev function pointers */
s->vdev.get_config = virtio_scsi_get_config;
s->vdev.set_config = virtio_scsi_set_config;
s->vdev.get_features = virtio_scsi_get_features;
s->vdev.reset = virtio_scsi_reset;
s->ctrl_vq = virtio_add_queue(&s->vdev, VIRTIO_SCSI_VQ_SIZE,
virtio_scsi_handle_ctrl);
s->event_vq = virtio_add_queue(&s->vdev, VIRTIO_SCSI_VQ_SIZE,
NULL);
for (i = 0; i < s->conf->num_queues; i++) {
s->cmd_vqs[i] = virtio_add_queue(&s->vdev, VIRTIO_SCSI_VQ_SIZE,
virtio_scsi_handle_cmd);
}
scsi_bus_new(&s->bus, dev, &virtio_scsi_scsi_info);
if (!dev->hotplugged) {
scsi_bus_legacy_handle_cmdline(&s->bus);
}
register_savevm(dev, "virtio-scsi", virtio_scsi_id++, 1,
virtio_scsi_save, virtio_scsi_load, s);
return &s->vdev;
}
| 27,288 |
FFmpeg | f9158b01d0f3effb58e87fb07db0382bc1e47de5 | 1 | static ResampleContext *resample_init(ResampleContext *c, int out_rate, int in_rate, int filter_size, int phase_shift, int linear,
double cutoff0, enum AVSampleFormat format, enum SwrFilterType filter_type, int kaiser_beta,
double precision, int cheby){
double cutoff = cutoff0? cutoff0 : 0.97;
double factor= FFMIN(out_rate * cutoff / in_rate, 1.0);
int phase_count= 1<<phase_shift;
if (!c || c->phase_shift != phase_shift || c->linear!=linear || c->factor != factor
|| c->filter_length != FFMAX((int)ceil(filter_size/factor), 1) || c->format != format
|| c->filter_type != filter_type || c->kaiser_beta != kaiser_beta) {
c = av_mallocz(sizeof(*c));
if (!c)
return NULL;
c->format= format;
c->felem_size= av_get_bytes_per_sample(c->format);
switch(c->format){
case AV_SAMPLE_FMT_S16P:
c->filter_shift = 15;
break;
case AV_SAMPLE_FMT_S32P:
c->filter_shift = 30;
break;
case AV_SAMPLE_FMT_FLTP:
case AV_SAMPLE_FMT_DBLP:
c->filter_shift = 0;
break;
default:
av_log(NULL, AV_LOG_ERROR, "Unsupported sample format\n");
av_assert0(0);
c->phase_shift = phase_shift;
c->phase_mask = phase_count - 1;
c->linear = linear;
c->factor = factor;
c->filter_length = FFMAX((int)ceil(filter_size/factor), 1);
c->filter_alloc = FFALIGN(c->filter_length, 8);
c->filter_bank = av_calloc(c->filter_alloc, (phase_count+1)*c->felem_size);
c->filter_type = filter_type;
c->kaiser_beta = kaiser_beta;
if (!c->filter_bank)
if (build_filter(c, (void*)c->filter_bank, factor, c->filter_length, c->filter_alloc, phase_count, 1<<c->filter_shift, filter_type, kaiser_beta))
memcpy(c->filter_bank + (c->filter_alloc*phase_count+1)*c->felem_size, c->filter_bank, (c->filter_alloc-1)*c->felem_size);
memcpy(c->filter_bank + (c->filter_alloc*phase_count )*c->felem_size, c->filter_bank + (c->filter_alloc - 1)*c->felem_size, c->felem_size);
c->compensation_distance= 0;
if(!av_reduce(&c->src_incr, &c->dst_incr, out_rate, in_rate * (int64_t)phase_count, INT32_MAX/2))
c->ideal_dst_incr= c->dst_incr;
c->index= -phase_count*((c->filter_length-1)/2);
c->frac= 0;
return c;
error:
av_freep(&c->filter_bank);
av_free(c);
return NULL; | 27,289 |
qemu | 0380aef323154205a7d838fb9953423621290d41 | 1 | static void test_properties(const char *path)
{
char *child_path;
QDict *response, *tuple;
QList *list;
QListEntry *entry;
g_test_message("Obtaining properties of %s", path);
response = qmp("{ 'execute': 'qom-list',"
" 'arguments': { 'path': '%s' } }", path);
g_assert(response);
g_assert(qdict_haskey(response, "return"));
list = qobject_to_qlist(qdict_get(response, "return"));
QLIST_FOREACH_ENTRY(list, entry) {
tuple = qobject_to_qdict(qlist_entry_obj(entry));
if (strstart(qdict_get_str(tuple, "type"), "child<", NULL)) {
child_path = g_strdup_printf("%s/%s",
path, qdict_get_str(tuple, "name"));
test_properties(child_path);
g_free(child_path);
} else {
const char *prop = qdict_get_str(tuple, "name");
g_test_message("Testing property %s.%s", path, prop);
response = qmp("{ 'execute': 'qom-get',"
" 'arguments': { 'path': '%s',"
" 'property': '%s' } }",
path, prop);
/* qom-get may fail but should not, e.g., segfault. */
g_assert(response);
}
}
}
| 27,291 |
FFmpeg | 3ca5df36a50e3ffd3b24734725bf545617a627a8 | 1 | static int decode_packet(AVCodecContext *avctx, void *data, int *got_frame_ptr,
AVPacket* avpkt)
{
WmallDecodeCtx *s = avctx->priv_data;
GetBitContext* gb = &s->pgb;
const uint8_t* buf = avpkt->data;
int buf_size = avpkt->size;
int num_bits_prev_frame, packet_sequence_number, spliced_packet;
s->frame.nb_samples = 0;
if (s->packet_done || s->packet_loss) {
s->packet_done = 0;
/* sanity check for the buffer length */
if (buf_size < avctx->block_align)
return 0;
s->next_packet_start = buf_size - avctx->block_align;
buf_size = avctx->block_align;
s->buf_bit_size = buf_size << 3;
/* parse packet header */
init_get_bits(gb, buf, s->buf_bit_size);
packet_sequence_number = get_bits(gb, 4);
skip_bits(gb, 1); // Skip seekable_frame_in_packet, currently ununused
spliced_packet = get_bits1(gb);
if (spliced_packet)
avpriv_request_sample(avctx, "Bitstream splicing");
/* get number of bits that need to be added to the previous frame */
num_bits_prev_frame = get_bits(gb, s->log2_frame_size);
/* check for packet loss */
if (!s->packet_loss &&
((s->packet_sequence_number + 1) & 0xF) != packet_sequence_number) {
s->packet_loss = 1;
av_log(avctx, AV_LOG_ERROR, "Packet loss detected! seq %x vs %x\n",
s->packet_sequence_number, packet_sequence_number);
}
s->packet_sequence_number = packet_sequence_number;
if (num_bits_prev_frame > 0) {
int remaining_packet_bits = s->buf_bit_size - get_bits_count(gb);
if (num_bits_prev_frame >= remaining_packet_bits) {
num_bits_prev_frame = remaining_packet_bits;
s->packet_done = 1;
}
/* Append the previous frame data to the remaining data from the
* previous packet to create a full frame. */
save_bits(s, gb, num_bits_prev_frame, 1);
/* decode the cross packet frame if it is valid */
if (num_bits_prev_frame < remaining_packet_bits && !s->packet_loss)
decode_frame(s);
} else if (s->num_saved_bits - s->frame_offset) {
av_dlog(avctx, "ignoring %x previously saved bits\n",
s->num_saved_bits - s->frame_offset);
}
if (s->packet_loss) {
/* Reset number of saved bits so that the decoder does not start
* to decode incomplete frames in the s->len_prefix == 0 case. */
s->num_saved_bits = 0;
s->packet_loss = 0;
init_put_bits(&s->pb, s->frame_data, MAX_FRAMESIZE);
}
} else {
int frame_size;
s->buf_bit_size = (avpkt->size - s->next_packet_start) << 3;
init_get_bits(gb, avpkt->data, s->buf_bit_size);
skip_bits(gb, s->packet_offset);
if (s->len_prefix && remaining_bits(s, gb) > s->log2_frame_size &&
(frame_size = show_bits(gb, s->log2_frame_size)) &&
frame_size <= remaining_bits(s, gb)) {
save_bits(s, gb, frame_size, 0);
s->packet_done = !decode_frame(s);
} else if (!s->len_prefix
&& s->num_saved_bits > get_bits_count(&s->gb)) {
/* when the frames do not have a length prefix, we don't know the
* compressed length of the individual frames however, we know what
* part of a new packet belongs to the previous frame therefore we
* save the incoming packet first, then we append the "previous
* frame" data from the next packet so that we get a buffer that
* only contains full frames */
s->packet_done = !decode_frame(s);
} else {
s->packet_done = 1;
}
}
if (s->packet_done && !s->packet_loss &&
remaining_bits(s, gb) > 0) {
/* save the rest of the data so that it can be decoded
* with the next packet */
save_bits(s, gb, remaining_bits(s, gb), 0);
}
*(AVFrame *)data = s->frame;
*got_frame_ptr = s->frame.nb_samples > 0;
s->packet_offset = get_bits_count(gb) & 7;
return (s->packet_loss) ? AVERROR_INVALIDDATA : get_bits_count(gb) >> 3;
}
| 27,292 |
FFmpeg | 60fcc19b9068614f25cf64dff5e4aa0e8dbff6a5 | 1 | static void mpegts_write_pes(AVFormatContext *s, AVStream *st,
const uint8_t *payload, int payload_size,
int64_t pts, int64_t dts, int key)
{
MpegTSWriteStream *ts_st = st->priv_data;
MpegTSWrite *ts = s->priv_data;
uint8_t buf[TS_PACKET_SIZE];
uint8_t *q;
int val, is_start, len, header_len, write_pcr, is_dvb_subtitle, is_dvb_teletext, flags;
int afc_len, stuffing_len;
int64_t pcr = -1; /* avoid warning */
int64_t delay = av_rescale(s->max_delay, 90000, AV_TIME_BASE);
int force_pat = st->codec->codec_type == AVMEDIA_TYPE_VIDEO && key && !ts_st->prev_payload_key;
is_start = 1;
while (payload_size > 0) {
retransmit_si_info(s, force_pat);
force_pat = 0;
write_pcr = 0;
if (ts_st->pid == ts_st->service->pcr_pid) {
if (ts->mux_rate > 1 || is_start) // VBR pcr period is based on frames
ts_st->service->pcr_packet_count++;
if (ts_st->service->pcr_packet_count >=
ts_st->service->pcr_packet_period) {
ts_st->service->pcr_packet_count = 0;
write_pcr = 1;
if (ts->mux_rate > 1 && dts != AV_NOPTS_VALUE &&
(dts - get_pcr(ts, s->pb)/300) > delay) {
/* pcr insert gets priority over null packet insert */
if (write_pcr)
mpegts_insert_pcr_only(s, st);
else
mpegts_insert_null_packet(s);
continue; /* recalculate write_pcr and possibly retransmit si_info */
/* prepare packet header */
q = buf;
*q++ = 0x47;
val = (ts_st->pid >> 8);
if (is_start)
val |= 0x40;
*q++ = val;
*q++ = ts_st->pid;
ts_st->cc = (ts_st->cc + 1) & 0xf;
*q++ = 0x10 | ts_st->cc; // payload indicator + CC
if (key && is_start && pts != AV_NOPTS_VALUE) {
// set Random Access for key frames
if (ts_st->pid == ts_st->service->pcr_pid)
write_pcr = 1;
set_af_flag(buf, 0x40);
q = get_ts_payload_start(buf);
if (write_pcr) {
set_af_flag(buf, 0x10);
q = get_ts_payload_start(buf);
// add 11, pcr references the last byte of program clock reference base
if (ts->mux_rate > 1)
pcr = get_pcr(ts, s->pb);
else
pcr = (dts - delay)*300;
if (dts != AV_NOPTS_VALUE && dts < pcr / 300)
av_log(s, AV_LOG_WARNING, "dts < pcr, TS is invalid\n");
extend_af(buf, write_pcr_bits(q, pcr));
q = get_ts_payload_start(buf);
if (is_start) {
int pes_extension = 0;
int pes_header_stuffing_bytes = 0;
/* write PES header */
*q++ = 0x00;
*q++ = 0x00;
*q++ = 0x01;
is_dvb_subtitle = 0;
is_dvb_teletext = 0;
if (st->codec->codec_id == AV_CODEC_ID_DIRAC) {
*q++ = 0xfd;
} else
*q++ = 0xe0;
} else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
(st->codec->codec_id == AV_CODEC_ID_MP2 ||
st->codec->codec_id == AV_CODEC_ID_MP3 ||
st->codec->codec_id == AV_CODEC_ID_AAC)) {
*q++ = 0xc0;
} else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
st->codec->codec_id == AV_CODEC_ID_AC3 &&
ts->m2ts_mode) {
*q++ = 0xfd;
} else {
*q++ = 0xbd;
if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
if (st->codec->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
is_dvb_subtitle = 1;
} else if (st->codec->codec_id == AV_CODEC_ID_DVB_TELETEXT) {
is_dvb_teletext = 1;
header_len = 0;
flags = 0;
if (pts != AV_NOPTS_VALUE) {
header_len += 5;
flags |= 0x80;
if (dts != AV_NOPTS_VALUE && pts != AV_NOPTS_VALUE && dts != pts) {
header_len += 5;
flags |= 0x40;
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
st->codec->codec_id == AV_CODEC_ID_DIRAC) {
/* set PES_extension_flag */
pes_extension = 1;
flags |= 0x01;
/*
* One byte for PES2 extension flag +
* one byte for extension length +
* one byte for extension id
*/
header_len += 3;
/* for Blu-ray AC3 Audio the PES Extension flag should be as follow
* otherwise it will not play sound on blu-ray
*/
if (ts->m2ts_mode &&
st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
st->codec->codec_id == AV_CODEC_ID_AC3) {
/* set PES_extension_flag */
pes_extension = 1;
flags |= 0x01;
header_len += 3;
if (is_dvb_teletext) {
pes_header_stuffing_bytes = 0x24 - header_len;
header_len = 0x24;
len = payload_size + header_len + 3;
/* 3 extra bytes should be added to DVB subtitle payload: 0x20 0x00 at the beginning and trailing 0xff */
if (is_dvb_subtitle) {
len += 3;
payload_size++;
if (len > 0xffff)
*q++ = len >> 8;
*q++ = len;
val = 0x80;
/* data alignment indicator is required for subtitle and data streams */
if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE || st->codec->codec_type == AVMEDIA_TYPE_DATA)
val |= 0x04;
*q++ = val;
*q++ = flags;
*q++ = header_len;
if (pts != AV_NOPTS_VALUE) {
write_pts(q, flags >> 6, pts);
q += 5;
if (dts != AV_NOPTS_VALUE && pts != AV_NOPTS_VALUE && dts != pts) {
write_pts(q, 1, dts);
q += 5;
if (pes_extension && st->codec->codec_id == AV_CODEC_ID_DIRAC) {
flags = 0x01; /* set PES_extension_flag_2 */
*q++ = flags;
*q++ = 0x80 | 0x01; /* marker bit + extension length */
/*
* Set the stream id extension flag bit to 0 and
* write the extended stream id
*/
*q++ = 0x00 | 0x60;
/* For Blu-ray AC3 Audio Setting extended flags */
if (ts->m2ts_mode &&
pes_extension &&
st->codec->codec_id == AV_CODEC_ID_AC3) {
flags = 0x01; /* set PES_extension_flag_2 */
*q++ = flags;
*q++ = 0x80 | 0x01; /* marker bit + extension length */
*q++ = 0x00 | 0x71; /* for AC3 Audio (specifically on blue-rays) */
if (is_dvb_subtitle) {
/* First two fields of DVB subtitles PES data:
* data_identifier: for DVB subtitle streams shall be coded with the value 0x20
* subtitle_stream_id: for DVB subtitle stream shall be identified by the value 0x00 */
*q++ = 0x20;
*q++ = 0x00;
if (is_dvb_teletext) {
memset(q, 0xff, pes_header_stuffing_bytes);
q += pes_header_stuffing_bytes;
is_start = 0;
/* header size */
header_len = q - buf;
/* data len */
len = TS_PACKET_SIZE - header_len;
if (len > payload_size)
len = payload_size;
stuffing_len = TS_PACKET_SIZE - header_len - len;
if (stuffing_len > 0) {
/* add stuffing with AFC */
if (buf[3] & 0x20) {
/* stuffing already present: increase its size */
afc_len = buf[4] + 1;
memmove(buf + 4 + afc_len + stuffing_len,
buf + 4 + afc_len,
header_len - (4 + afc_len));
buf[4] += stuffing_len;
memset(buf + 4 + afc_len, 0xff, stuffing_len);
} else {
/* add stuffing */
memmove(buf + 4 + stuffing_len, buf + 4, header_len - 4);
buf[3] |= 0x20;
buf[4] = stuffing_len - 1;
if (stuffing_len >= 2) {
buf[5] = 0x00;
memset(buf + 6, 0xff, stuffing_len - 2);
if (is_dvb_subtitle && payload_size == len) {
memcpy(buf + TS_PACKET_SIZE - len, payload, len - 1);
buf[TS_PACKET_SIZE - 1] = 0xff; /* end_of_PES_data_field_marker: an 8-bit field with fixed contents 0xff for DVB subtitle */
} else {
memcpy(buf + TS_PACKET_SIZE - len, payload, len);
payload += len;
payload_size -= len;
mpegts_prefix_m2ts_header(s);
avio_write(s->pb, buf, TS_PACKET_SIZE);
avio_flush(s->pb);
ts_st->prev_payload_key = key;
| 27,293 |
FFmpeg | 93f4538363069b721c24417f3d38575274394845 | 0 | static void RENAME(postProcess)(const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
const QP_STORE_T QPs[], int QPStride, int isColor, PPContext *c2)
{
DECLARE_ALIGNED(8, PPContext, c)= *c2; //copy to stack for faster access
int x,y;
#ifdef TEMPLATE_PP_TIME_MODE
const int mode= TEMPLATE_PP_TIME_MODE;
#else
const int mode= isColor ? c.ppMode.chromMode : c.ppMode.lumMode;
#endif
int black=0, white=255; // blackest black and whitest white in the picture
int QPCorrecture= 256*256;
int copyAhead;
#if TEMPLATE_PP_MMX
int i;
#endif
const int qpHShift= isColor ? 4-c.hChromaSubSample : 4;
const int qpVShift= isColor ? 4-c.vChromaSubSample : 4;
//FIXME remove
uint64_t * const yHistogram= c.yHistogram;
uint8_t * const tempSrc= srcStride > 0 ? c.tempSrc : c.tempSrc - 23*srcStride;
uint8_t * const tempDst= (dstStride > 0 ? c.tempDst : c.tempDst - 23*dstStride) + 32;
//const int mbWidth= isColor ? (width+7)>>3 : (width+15)>>4;
if (mode & VISUALIZE){
if(!(mode & (V_A_DEBLOCK | H_A_DEBLOCK)) || TEMPLATE_PP_MMX) {
av_log(c2, AV_LOG_WARNING, "Visualization is currently only supported with the accurate deblock filter without SIMD\n");
}
}
#if TEMPLATE_PP_MMX
for(i=0; i<57; i++){
int offset= ((i*c.ppMode.baseDcDiff)>>8) + 1;
int threshold= offset*2 + 1;
c.mmxDcOffset[i]= 0x7F - offset;
c.mmxDcThreshold[i]= 0x7F - threshold;
c.mmxDcOffset[i]*= 0x0101010101010101LL;
c.mmxDcThreshold[i]*= 0x0101010101010101LL;
}
#endif
if(mode & CUBIC_IPOL_DEINT_FILTER) copyAhead=16;
else if( (mode & LINEAR_BLEND_DEINT_FILTER)
|| (mode & FFMPEG_DEINT_FILTER)
|| (mode & LOWPASS5_DEINT_FILTER)) copyAhead=14;
else if( (mode & V_DEBLOCK)
|| (mode & LINEAR_IPOL_DEINT_FILTER)
|| (mode & MEDIAN_DEINT_FILTER)
|| (mode & V_A_DEBLOCK)) copyAhead=13;
else if(mode & V_X1_FILTER) copyAhead=11;
// else if(mode & V_RK1_FILTER) copyAhead=10;
else if(mode & DERING) copyAhead=9;
else copyAhead=8;
copyAhead-= 8;
if(!isColor){
uint64_t sum= 0;
int i;
uint64_t maxClipped;
uint64_t clipped;
double scale;
c.frameNum++;
// first frame is fscked so we ignore it
if(c.frameNum == 1) yHistogram[0]= width*(uint64_t)height/64*15/256;
for(i=0; i<256; i++){
sum+= yHistogram[i];
}
/* We always get a completely black picture first. */
maxClipped= (uint64_t)(sum * c.ppMode.maxClippedThreshold);
clipped= sum;
for(black=255; black>0; black--){
if(clipped < maxClipped) break;
clipped-= yHistogram[black];
}
clipped= sum;
for(white=0; white<256; white++){
if(clipped < maxClipped) break;
clipped-= yHistogram[white];
}
scale= (double)(c.ppMode.maxAllowedY - c.ppMode.minAllowedY) / (double)(white-black);
#if TEMPLATE_PP_MMXEXT
c.packedYScale= (uint16_t)(scale*256.0 + 0.5);
c.packedYOffset= (((black*c.packedYScale)>>8) - c.ppMode.minAllowedY) & 0xFFFF;
#else
c.packedYScale= (uint16_t)(scale*1024.0 + 0.5);
c.packedYOffset= (black - c.ppMode.minAllowedY) & 0xFFFF;
#endif
c.packedYOffset|= c.packedYOffset<<32;
c.packedYOffset|= c.packedYOffset<<16;
c.packedYScale|= c.packedYScale<<32;
c.packedYScale|= c.packedYScale<<16;
if(mode & LEVEL_FIX) QPCorrecture= (int)(scale*256*256 + 0.5);
else QPCorrecture= 256*256;
}else{
c.packedYScale= 0x0100010001000100LL;
c.packedYOffset= 0;
QPCorrecture= 256*256;
}
/* copy & deinterlace first row of blocks */
y=-BLOCK_SIZE;
{
const uint8_t *srcBlock= &(src[y*srcStride]);
uint8_t *dstBlock= tempDst + dstStride;
// From this point on it is guaranteed that we can read and write 16 lines downward
// finish 1 block before the next otherwise we might have a problem
// with the L1 Cache of the P4 ... or only a few blocks at a time or something
for(x=0; x<width; x+=BLOCK_SIZE){
#if TEMPLATE_PP_MMXEXT && HAVE_6REGS
/*
prefetchnta(srcBlock + (((x>>2)&6) + 5)*srcStride + 32);
prefetchnta(srcBlock + (((x>>2)&6) + 6)*srcStride + 32);
prefetcht0(dstBlock + (((x>>2)&6) + 5)*dstStride + 32);
prefetcht0(dstBlock + (((x>>2)&6) + 6)*dstStride + 32);
*/
__asm__(
"mov %4, %%"REG_a" \n\t"
"shr $2, %%"REG_a" \n\t"
"and $6, %%"REG_a" \n\t"
"add %5, %%"REG_a" \n\t"
"mov %%"REG_a", %%"REG_d" \n\t"
"imul %1, %%"REG_a" \n\t"
"imul %3, %%"REG_d" \n\t"
"prefetchnta 32(%%"REG_a", %0) \n\t"
"prefetcht0 32(%%"REG_d", %2) \n\t"
"add %1, %%"REG_a" \n\t"
"add %3, %%"REG_d" \n\t"
"prefetchnta 32(%%"REG_a", %0) \n\t"
"prefetcht0 32(%%"REG_d", %2) \n\t"
:: "r" (srcBlock), "r" ((x86_reg)srcStride), "r" (dstBlock), "r" ((x86_reg)dstStride),
"g" ((x86_reg)x), "g" ((x86_reg)copyAhead)
: "%"REG_a, "%"REG_d
);
#elif TEMPLATE_PP_3DNOW
//FIXME check if this is faster on an 3dnow chip or if it is faster without the prefetch or ...
/* prefetch(srcBlock + (((x>>3)&3) + 5)*srcStride + 32);
prefetch(srcBlock + (((x>>3)&3) + 9)*srcStride + 32);
prefetchw(dstBlock + (((x>>3)&3) + 5)*dstStride + 32);
prefetchw(dstBlock + (((x>>3)&3) + 9)*dstStride + 32);
*/
#endif
RENAME(blockCopy)(dstBlock + dstStride*8, dstStride,
srcBlock + srcStride*8, srcStride, mode & LEVEL_FIX, &c.packedYOffset);
RENAME(duplicate)(dstBlock + dstStride*8, dstStride);
if(mode & LINEAR_IPOL_DEINT_FILTER)
RENAME(deInterlaceInterpolateLinear)(dstBlock, dstStride);
else if(mode & LINEAR_BLEND_DEINT_FILTER)
RENAME(deInterlaceBlendLinear)(dstBlock, dstStride, c.deintTemp + x);
else if(mode & MEDIAN_DEINT_FILTER)
RENAME(deInterlaceMedian)(dstBlock, dstStride);
else if(mode & CUBIC_IPOL_DEINT_FILTER)
RENAME(deInterlaceInterpolateCubic)(dstBlock, dstStride);
else if(mode & FFMPEG_DEINT_FILTER)
RENAME(deInterlaceFF)(dstBlock, dstStride, c.deintTemp + x);
else if(mode & LOWPASS5_DEINT_FILTER)
RENAME(deInterlaceL5)(dstBlock, dstStride, c.deintTemp + x, c.deintTemp + width + x);
/* else if(mode & CUBIC_BLEND_DEINT_FILTER)
RENAME(deInterlaceBlendCubic)(dstBlock, dstStride);
*/
dstBlock+=8;
srcBlock+=8;
}
if(width==FFABS(dstStride))
linecpy(dst, tempDst + 9*dstStride, copyAhead, dstStride);
else{
int i;
for(i=0; i<copyAhead; i++){
memcpy(dst + i*dstStride, tempDst + (9+i)*dstStride, width);
}
}
}
for(y=0; y<height; y+=BLOCK_SIZE){
//1% speedup if these are here instead of the inner loop
const uint8_t *srcBlock= &(src[y*srcStride]);
uint8_t *dstBlock= &(dst[y*dstStride]);
#if TEMPLATE_PP_MMX
uint8_t *tempBlock1= c.tempBlocks;
uint8_t *tempBlock2= c.tempBlocks + 8;
#endif
const int8_t *QPptr= &QPs[(y>>qpVShift)*QPStride];
int8_t *nonBQPptr= &c.nonBQPTable[(y>>qpVShift)*FFABS(QPStride)];
int QP=0;
/* can we mess with a 8x16 block from srcBlock/dstBlock downwards and 1 line upwards
if not than use a temporary buffer */
if(y+15 >= height){
int i;
/* copy from line (copyAhead) to (copyAhead+7) of src, these will be copied with
blockcopy to dst later */
linecpy(tempSrc + srcStride*copyAhead, srcBlock + srcStride*copyAhead,
FFMAX(height-y-copyAhead, 0), srcStride);
/* duplicate last line of src to fill the void up to line (copyAhead+7) */
for(i=FFMAX(height-y, 8); i<copyAhead+8; i++)
memcpy(tempSrc + srcStride*i, src + srcStride*(height-1), FFABS(srcStride));
/* copy up to (copyAhead+1) lines of dst (line -1 to (copyAhead-1))*/
linecpy(tempDst, dstBlock - dstStride, FFMIN(height-y+1, copyAhead+1), dstStride);
/* duplicate last line of dst to fill the void up to line (copyAhead) */
for(i=height-y+1; i<=copyAhead; i++)
memcpy(tempDst + dstStride*i, dst + dstStride*(height-1), FFABS(dstStride));
dstBlock= tempDst + dstStride;
srcBlock= tempSrc;
}
// From this point on it is guaranteed that we can read and write 16 lines downward
// finish 1 block before the next otherwise we might have a problem
// with the L1 Cache of the P4 ... or only a few blocks at a time or something
for(x=0; x<width; x+=BLOCK_SIZE){
const int stride= dstStride;
#if TEMPLATE_PP_MMX
uint8_t *tmpXchg;
#endif
if(isColor){
QP= QPptr[x>>qpHShift];
c.nonBQP= nonBQPptr[x>>qpHShift];
}else{
QP= QPptr[x>>4];
QP= (QP* QPCorrecture + 256*128)>>16;
c.nonBQP= nonBQPptr[x>>4];
c.nonBQP= (c.nonBQP* QPCorrecture + 256*128)>>16;
yHistogram[ srcBlock[srcStride*12 + 4] ]++;
}
c.QP= QP;
#if TEMPLATE_PP_MMX
__asm__ volatile(
"movd %1, %%mm7 \n\t"
"packuswb %%mm7, %%mm7 \n\t" // 0, 0, 0, QP, 0, 0, 0, QP
"packuswb %%mm7, %%mm7 \n\t" // 0,QP, 0, QP, 0,QP, 0, QP
"packuswb %%mm7, %%mm7 \n\t" // QP,..., QP
"movq %%mm7, %0 \n\t"
: "=m" (c.pQPb)
: "r" (QP)
);
#endif
#if TEMPLATE_PP_MMXEXT && HAVE_6REGS
/*
prefetchnta(srcBlock + (((x>>2)&6) + 5)*srcStride + 32);
prefetchnta(srcBlock + (((x>>2)&6) + 6)*srcStride + 32);
prefetcht0(dstBlock + (((x>>2)&6) + 5)*dstStride + 32);
prefetcht0(dstBlock + (((x>>2)&6) + 6)*dstStride + 32);
*/
__asm__(
"mov %4, %%"REG_a" \n\t"
"shr $2, %%"REG_a" \n\t"
"and $6, %%"REG_a" \n\t"
"add %5, %%"REG_a" \n\t"
"mov %%"REG_a", %%"REG_d" \n\t"
"imul %1, %%"REG_a" \n\t"
"imul %3, %%"REG_d" \n\t"
"prefetchnta 32(%%"REG_a", %0) \n\t"
"prefetcht0 32(%%"REG_d", %2) \n\t"
"add %1, %%"REG_a" \n\t"
"add %3, %%"REG_d" \n\t"
"prefetchnta 32(%%"REG_a", %0) \n\t"
"prefetcht0 32(%%"REG_d", %2) \n\t"
:: "r" (srcBlock), "r" ((x86_reg)srcStride), "r" (dstBlock), "r" ((x86_reg)dstStride),
"g" ((x86_reg)x), "g" ((x86_reg)copyAhead)
: "%"REG_a, "%"REG_d
);
#elif TEMPLATE_PP_3DNOW
//FIXME check if this is faster on an 3dnow chip or if it is faster without the prefetch or ...
/* prefetch(srcBlock + (((x>>3)&3) + 5)*srcStride + 32);
prefetch(srcBlock + (((x>>3)&3) + 9)*srcStride + 32);
prefetchw(dstBlock + (((x>>3)&3) + 5)*dstStride + 32);
prefetchw(dstBlock + (((x>>3)&3) + 9)*dstStride + 32);
*/
#endif
RENAME(blockCopy)(dstBlock + dstStride*copyAhead, dstStride,
srcBlock + srcStride*copyAhead, srcStride, mode & LEVEL_FIX, &c.packedYOffset);
if(mode & LINEAR_IPOL_DEINT_FILTER)
RENAME(deInterlaceInterpolateLinear)(dstBlock, dstStride);
else if(mode & LINEAR_BLEND_DEINT_FILTER)
RENAME(deInterlaceBlendLinear)(dstBlock, dstStride, c.deintTemp + x);
else if(mode & MEDIAN_DEINT_FILTER)
RENAME(deInterlaceMedian)(dstBlock, dstStride);
else if(mode & CUBIC_IPOL_DEINT_FILTER)
RENAME(deInterlaceInterpolateCubic)(dstBlock, dstStride);
else if(mode & FFMPEG_DEINT_FILTER)
RENAME(deInterlaceFF)(dstBlock, dstStride, c.deintTemp + x);
else if(mode & LOWPASS5_DEINT_FILTER)
RENAME(deInterlaceL5)(dstBlock, dstStride, c.deintTemp + x, c.deintTemp + width + x);
/* else if(mode & CUBIC_BLEND_DEINT_FILTER)
RENAME(deInterlaceBlendCubic)(dstBlock, dstStride);
*/
/* only deblock if we have 2 blocks */
if(y + 8 < height){
if(mode & V_X1_FILTER)
RENAME(vertX1Filter)(dstBlock, stride, &c);
else if(mode & V_DEBLOCK){
const int t= RENAME(vertClassify)(dstBlock, stride, &c);
if(t==1)
RENAME(doVertLowPass)(dstBlock, stride, &c);
else if(t==2)
RENAME(doVertDefFilter)(dstBlock, stride, &c);
}else if(mode & V_A_DEBLOCK){
RENAME(do_a_deblock)(dstBlock, stride, 1, &c, mode);
}
}
#if TEMPLATE_PP_MMX
RENAME(transpose1)(tempBlock1, tempBlock2, dstBlock, dstStride);
#endif
/* check if we have a previous block to deblock it with dstBlock */
if(x - 8 >= 0){
#if TEMPLATE_PP_MMX
if(mode & H_X1_FILTER)
RENAME(vertX1Filter)(tempBlock1, 16, &c);
else if(mode & H_DEBLOCK){
//START_TIMER
const int t= RENAME(vertClassify)(tempBlock1, 16, &c);
//STOP_TIMER("dc & minmax")
if(t==1)
RENAME(doVertLowPass)(tempBlock1, 16, &c);
else if(t==2)
RENAME(doVertDefFilter)(tempBlock1, 16, &c);
}else if(mode & H_A_DEBLOCK){
RENAME(do_a_deblock)(tempBlock1, 16, 1, &c, mode);
}
RENAME(transpose2)(dstBlock-4, dstStride, tempBlock1 + 4*16);
#else
if(mode & H_X1_FILTER)
horizX1Filter(dstBlock-4, stride, QP);
else if(mode & H_DEBLOCK){
#if TEMPLATE_PP_ALTIVEC
DECLARE_ALIGNED(16, unsigned char, tempBlock)[272];
int t;
transpose_16x8_char_toPackedAlign_altivec(tempBlock, dstBlock - (4 + 1), stride);
t = vertClassify_altivec(tempBlock-48, 16, &c);
if(t==1) {
doVertLowPass_altivec(tempBlock-48, 16, &c);
transpose_8x16_char_fromPackedAlign_altivec(dstBlock - (4 + 1), tempBlock, stride);
}
else if(t==2) {
doVertDefFilter_altivec(tempBlock-48, 16, &c);
transpose_8x16_char_fromPackedAlign_altivec(dstBlock - (4 + 1), tempBlock, stride);
}
#else
const int t= RENAME(horizClassify)(dstBlock-4, stride, &c);
if(t==1)
RENAME(doHorizLowPass)(dstBlock-4, stride, &c);
else if(t==2)
RENAME(doHorizDefFilter)(dstBlock-4, stride, &c);
#endif
}else if(mode & H_A_DEBLOCK){
RENAME(do_a_deblock)(dstBlock-8, 1, stride, &c, mode);
}
#endif //TEMPLATE_PP_MMX
if(mode & DERING){
//FIXME filter first line
if(y>0) RENAME(dering)(dstBlock - stride - 8, stride, &c);
}
if(mode & TEMP_NOISE_FILTER)
{
RENAME(tempNoiseReducer)(dstBlock-8, stride,
c.tempBlurred[isColor] + y*dstStride + x,
c.tempBlurredPast[isColor] + (y>>3)*256 + (x>>3) + 256,
c.ppMode.maxTmpNoise);
}
}
dstBlock+=8;
srcBlock+=8;
#if TEMPLATE_PP_MMX
tmpXchg= tempBlock1;
tempBlock1= tempBlock2;
tempBlock2 = tmpXchg;
#endif
}
if(mode & DERING){
if(y > 0) RENAME(dering)(dstBlock - dstStride - 8, dstStride, &c);
}
if((mode & TEMP_NOISE_FILTER)){
RENAME(tempNoiseReducer)(dstBlock-8, dstStride,
c.tempBlurred[isColor] + y*dstStride + x,
c.tempBlurredPast[isColor] + (y>>3)*256 + (x>>3) + 256,
c.ppMode.maxTmpNoise);
}
/* did we use a tmp buffer for the last lines*/
if(y+15 >= height){
uint8_t *dstBlock= &(dst[y*dstStride]);
if(width==FFABS(dstStride))
linecpy(dstBlock, tempDst + dstStride, height-y, dstStride);
else{
int i;
for(i=0; i<height-y; i++){
memcpy(dstBlock + i*dstStride, tempDst + (i+1)*dstStride, width);
}
}
}
/*
for(x=0; x<width; x+=32){
volatile int i;
i+= dstBlock[x + 7*dstStride] + dstBlock[x + 8*dstStride]
+ dstBlock[x + 9*dstStride] + dstBlock[x +10*dstStride]
+ dstBlock[x +11*dstStride] + dstBlock[x +12*dstStride];
+ dstBlock[x +13*dstStride]
+ dstBlock[x +14*dstStride] + dstBlock[x +15*dstStride];
}*/
}
#if TEMPLATE_PP_3DNOW
__asm__ volatile("femms");
#elif TEMPLATE_PP_MMX
__asm__ volatile("emms");
#endif
#ifdef DEBUG_BRIGHTNESS
if(!isColor){
int max=1;
int i;
for(i=0; i<256; i++)
if(yHistogram[i] > max) max=yHistogram[i];
for(i=1; i<256; i++){
int x;
int start=yHistogram[i-1]/(max/256+1);
int end=yHistogram[i]/(max/256+1);
int inc= end > start ? 1 : -1;
for(x=start; x!=end+inc; x+=inc)
dst[ i*dstStride + x]+=128;
}
for(i=0; i<100; i+=2){
dst[ (white)*dstStride + i]+=128;
dst[ (black)*dstStride + i]+=128;
}
}
#endif
*c2= c; //copy local context back
}
| 27,294 |
FFmpeg | 432fe9a38afca9104c1c11942d21739e2a48ba96 | 1 | static char *choose_pix_fmts(OutputStream *ost)
{
if (ost->keep_pix_fmt) {
if (ost->filter)
avfilter_graph_set_auto_convert(ost->filter->graph->graph,
AVFILTER_AUTO_CONVERT_NONE);
if (ost->st->codec->pix_fmt == PIX_FMT_NONE)
return NULL;
return av_strdup(av_get_pix_fmt_name(ost->st->codec->pix_fmt));
}
if (ost->st->codec->pix_fmt != PIX_FMT_NONE) {
return av_strdup(av_get_pix_fmt_name(choose_pixel_fmt(ost->st, ost->enc, ost->st->codec->pix_fmt)));
} else if (ost->enc->pix_fmts) {
const enum PixelFormat *p;
AVIOContext *s = NULL;
uint8_t *ret;
int len;
if (avio_open_dyn_buf(&s) < 0)
exit_program(1);
p = ost->enc->pix_fmts;
if (ost->st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
if (ost->st->codec->codec_id == CODEC_ID_MJPEG) {
p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
} else if (ost->st->codec->codec_id == CODEC_ID_LJPEG) {
p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
}
}
for (; *p != PIX_FMT_NONE; p++) {
const char *name = av_get_pix_fmt_name(*p);
avio_printf(s, "%s:", name);
}
len = avio_close_dyn_buf(s, &ret);
ret[len - 1] = 0;
return ret;
} else
return NULL;
}
| 27,295 |
FFmpeg | a23379a0a68a6dd9a0e0d583e11b0c6f9b33f9ae | 0 | static int xiph_handle_packet(AVFormatContext *ctx, PayloadContext *data,
AVStream *st, AVPacket *pkt, uint32_t *timestamp,
const uint8_t *buf, int len, uint16_t seq,
int flags)
{
int ident, fragmented, tdt, num_pkts, pkt_len;
if (!buf) {
if (!data->split_buf || data->split_pos + 2 > data->split_buf_len ||
data->split_pkts <= 0) {
av_log(ctx, AV_LOG_ERROR, "No more data to return\n");
return AVERROR_INVALIDDATA;
}
pkt_len = AV_RB16(data->split_buf + data->split_pos);
data->split_pos += 2;
if (data->split_pos + pkt_len > data->split_buf_len) {
av_log(ctx, AV_LOG_ERROR, "Not enough data to return\n");
return AVERROR_INVALIDDATA;
}
if (av_new_packet(pkt, pkt_len)) {
av_log(ctx, AV_LOG_ERROR, "Out of memory.\n");
return AVERROR(ENOMEM);
}
pkt->stream_index = st->index;
memcpy(pkt->data, data->split_buf + data->split_pos, pkt_len);
data->split_pos += pkt_len;
data->split_pkts--;
return data->split_pkts > 0;
}
if (len < 6 || len > INT_MAX/2) {
av_log(ctx, AV_LOG_ERROR, "Invalid %d byte packet\n", len);
return AVERROR_INVALIDDATA;
}
// read xiph rtp headers
ident = AV_RB24(buf);
fragmented = buf[3] >> 6;
tdt = (buf[3] >> 4) & 3;
num_pkts = buf[3] & 0xf;
pkt_len = AV_RB16(buf + 4);
if (pkt_len > len - 6) {
av_log(ctx, AV_LOG_ERROR,
"Invalid packet length %d in %d byte packet\n", pkt_len,
len);
return AVERROR_INVALIDDATA;
}
if (ident != data->ident) {
av_log(ctx, AV_LOG_ERROR,
"Unimplemented Xiph SDP configuration change detected\n");
return AVERROR_PATCHWELCOME;
}
if (tdt) {
av_log(ctx, AV_LOG_ERROR,
"Unimplemented RTP Xiph packet settings (%d,%d,%d)\n",
fragmented, tdt, num_pkts);
return AVERROR_PATCHWELCOME;
}
buf += 6; // move past header bits
len -= 6;
if (fragmented == 0) {
if (av_new_packet(pkt, pkt_len)) {
av_log(ctx, AV_LOG_ERROR, "Out of memory.\n");
return AVERROR(ENOMEM);
}
pkt->stream_index = st->index;
memcpy(pkt->data, buf, pkt_len);
buf += pkt_len;
len -= pkt_len;
num_pkts--;
if (num_pkts > 0) {
if (len > data->split_buf_size || !data->split_buf) {
av_freep(&data->split_buf);
data->split_buf_size = 2 * len;
data->split_buf = av_malloc(data->split_buf_size);
if (!data->split_buf) {
av_log(ctx, AV_LOG_ERROR, "Out of memory.\n");
av_free_packet(pkt);
return AVERROR(ENOMEM);
}
}
memcpy(data->split_buf, buf, len);
data->split_buf_len = len;
data->split_pos = 0;
data->split_pkts = num_pkts;
return 1;
}
return 0;
} else if (fragmented == 1) {
// start of xiph data fragment
int res;
// end packet has been lost somewhere, so drop buffered data
ffio_free_dyn_buf(&data->fragment);
if((res = avio_open_dyn_buf(&data->fragment)) < 0)
return res;
avio_write(data->fragment, buf, pkt_len);
data->timestamp = *timestamp;
} else {
av_assert1(fragmented < 4);
if (data->timestamp != *timestamp) {
// skip if fragmented timestamp is incorrect;
// a start packet has been lost somewhere
ffio_free_dyn_buf(&data->fragment);
av_log(ctx, AV_LOG_ERROR, "RTP timestamps don't match!\n");
return AVERROR_INVALIDDATA;
}
if (!data->fragment) {
av_log(ctx, AV_LOG_WARNING,
"Received packet without a start fragment; dropping.\n");
return AVERROR(EAGAIN);
}
// copy data to fragment buffer
avio_write(data->fragment, buf, pkt_len);
if (fragmented == 3) {
// end of xiph data packet
int ret = ff_rtp_finalize_packet(pkt, &data->fragment, st->index);
if (ret < 0) {
av_log(ctx, AV_LOG_ERROR,
"Error occurred when getting fragment buffer.");
return ret;
}
return 0;
}
}
return AVERROR(EAGAIN);
}
| 27,297 |
FFmpeg | 37f573543c4fd7f44339e04d8d15b95118493ddd | 0 | static int check_image_pointers(uint8_t *data[4], enum AVPixelFormat pix_fmt,
const int linesizes[4])
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
int i;
for (i = 0; i < 4; i++) {
int plane = desc->comp[i].plane;
if (!data[plane] || !linesizes[plane])
return 0;
}
return 1;
}
| 27,298 |
FFmpeg | ae591aeea58d64399b8281be31dacec0de85ae04 | 0 | static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir)
{
MpegEncContext *s = &v->s;
DSPContext *dsp = &v->s.dsp;
uint8_t *srcY;
int dxy, mx, my, src_x, src_y;
int off;
int fieldmv = (v->fcm == ILACE_FRAME) ? v->blk_mv_type[s->block_index[n]] : 0;
int v_edge_pos = s->v_edge_pos >> v->field_mode;
if (!v->field_mode && !v->s.last_picture.f.data[0])
return;
mx = s->mv[dir][n][0];
my = s->mv[dir][n][1];
if (!dir) {
if (v->field_mode) {
if ((v->cur_field_type != v->ref_field_type[dir]) && v->cur_field_type)
srcY = s->current_picture.f.data[0];
else
srcY = s->last_picture.f.data[0];
} else
srcY = s->last_picture.f.data[0];
} else
srcY = s->next_picture.f.data[0];
if (v->field_mode) {
if (v->cur_field_type != v->ref_field_type[dir])
my = my - 2 + 4 * v->cur_field_type;
}
if (s->pict_type == AV_PICTURE_TYPE_P && n == 3 && v->field_mode) {
int same_count = 0, opp_count = 0, k;
int chosen_mv[2][4][2], f;
int tx, ty;
for (k = 0; k < 4; k++) {
f = v->mv_f[0][s->block_index[k] + v->blocks_off];
chosen_mv[f][f ? opp_count : same_count][0] = s->mv[0][k][0];
chosen_mv[f][f ? opp_count : same_count][1] = s->mv[0][k][1];
opp_count += f;
same_count += 1 - f;
}
f = opp_count > same_count;
switch (f ? opp_count : same_count) {
case 4:
tx = median4(chosen_mv[f][0][0], chosen_mv[f][1][0],
chosen_mv[f][2][0], chosen_mv[f][3][0]);
ty = median4(chosen_mv[f][0][1], chosen_mv[f][1][1],
chosen_mv[f][2][1], chosen_mv[f][3][1]);
break;
case 3:
tx = mid_pred(chosen_mv[f][0][0], chosen_mv[f][1][0], chosen_mv[f][2][0]);
ty = mid_pred(chosen_mv[f][0][1], chosen_mv[f][1][1], chosen_mv[f][2][1]);
break;
case 2:
tx = (chosen_mv[f][0][0] + chosen_mv[f][1][0]) / 2;
ty = (chosen_mv[f][0][1] + chosen_mv[f][1][1]) / 2;
break;
}
s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][0] = tx;
s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][1] = ty;
for (k = 0; k < 4; k++)
v->mv_f[1][s->block_index[k] + v->blocks_off] = f;
}
if (v->fcm == ILACE_FRAME) { // not sure if needed for other types of picture
int qx, qy;
int width = s->avctx->coded_width;
int height = s->avctx->coded_height >> 1;
qx = (s->mb_x * 16) + (mx >> 2);
qy = (s->mb_y * 8) + (my >> 3);
if (qx < -17)
mx -= 4 * (qx + 17);
else if (qx > width)
mx -= 4 * (qx - width);
if (qy < -18)
my -= 8 * (qy + 18);
else if (qy > height + 1)
my -= 8 * (qy - height - 1);
}
if ((v->fcm == ILACE_FRAME) && fieldmv)
off = ((n > 1) ? s->linesize : 0) + (n & 1) * 8;
else
off = s->linesize * 4 * (n & 2) + (n & 1) * 8;
if (v->field_mode && v->cur_field_type)
off += s->current_picture_ptr->f.linesize[0];
src_x = s->mb_x * 16 + (n & 1) * 8 + (mx >> 2);
if (!fieldmv)
src_y = s->mb_y * 16 + (n & 2) * 4 + (my >> 2);
else
src_y = s->mb_y * 16 + ((n > 1) ? 1 : 0) + (my >> 2);
if (v->profile != PROFILE_ADVANCED) {
src_x = av_clip(src_x, -16, s->mb_width * 16);
src_y = av_clip(src_y, -16, s->mb_height * 16);
} else {
src_x = av_clip(src_x, -17, s->avctx->coded_width);
if (v->fcm == ILACE_FRAME) {
if (src_y & 1)
src_y = av_clip(src_y, -17, s->avctx->coded_height + 1);
else
src_y = av_clip(src_y, -18, s->avctx->coded_height);
} else {
src_y = av_clip(src_y, -18, s->avctx->coded_height + 1);
}
}
srcY += src_y * s->linesize + src_x;
if (v->field_mode && v->ref_field_type[dir])
srcY += s->current_picture_ptr->f.linesize[0];
if (fieldmv && !(src_y & 1))
v_edge_pos--;
if (fieldmv && (src_y & 1) && src_y < 4)
src_y--;
if (v->rangeredfrm || (v->mv_mode == MV_PMODE_INTENSITY_COMP)
|| s->h_edge_pos < 13 || v_edge_pos < 23
|| (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx & 3) - 8 - s->mspel * 2
|| (unsigned)(src_y - (s->mspel << fieldmv)) > v_edge_pos - (my & 3) - ((8 + s->mspel * 2) << fieldmv)) {
srcY -= s->mspel * (1 + (s->linesize << fieldmv));
/* check emulate edge stride and offset */
s->dsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize,
9 + s->mspel * 2, (9 + s->mspel * 2) << fieldmv,
src_x - s->mspel, src_y - (s->mspel << fieldmv),
s->h_edge_pos, v_edge_pos);
srcY = s->edge_emu_buffer;
/* if we deal with range reduction we need to scale source blocks */
if (v->rangeredfrm) {
int i, j;
uint8_t *src;
src = srcY;
for (j = 0; j < 9 + s->mspel * 2; j++) {
for (i = 0; i < 9 + s->mspel * 2; i++)
src[i] = ((src[i] - 128) >> 1) + 128;
src += s->linesize << fieldmv;
}
}
/* if we deal with intensity compensation we need to scale source blocks */
if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
int i, j;
uint8_t *src;
src = srcY;
for (j = 0; j < 9 + s->mspel * 2; j++) {
for (i = 0; i < 9 + s->mspel * 2; i++)
src[i] = v->luty[src[i]];
src += s->linesize << fieldmv;
}
}
srcY += s->mspel * (1 + (s->linesize << fieldmv));
}
if (s->mspel) {
dxy = ((my & 3) << 2) | (mx & 3);
v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd);
} else { // hpel mc - always used for luma
dxy = (my & 2) | ((mx & 2) >> 1);
if (!v->rnd)
dsp->put_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize, 8);
else
dsp->put_no_rnd_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize, 8);
}
}
| 27,299 |
qemu | a03ef88f77af045a2eb9629b5ce774a3fb973c5e | 0 | int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset,
unsigned int bytes, QEMUIOVector *qiov,
BdrvRequestFlags flags)
{
int ret;
trace_blk_co_pwritev(blk, blk_bs(blk), offset, bytes, flags);
ret = blk_check_byte_request(blk, offset, bytes);
if (ret < 0) {
return ret;
}
/* throttling disk I/O */
if (blk->public.throttle_state) {
throttle_group_co_io_limits_intercept(blk, bytes, true);
}
if (!blk->enable_write_cache) {
flags |= BDRV_REQ_FUA;
}
return bdrv_co_pwritev(blk_bs(blk), offset, bytes, qiov, flags);
}
| 27,300 |
qemu | 23fabed13645fdf66473e458f318baa63be56b22 | 0 | void monitor_protocol_event(MonitorEvent event, QObject *data)
{
QDict *qmp;
const char *event_name;
Monitor *mon;
assert(event < QEVENT_MAX);
switch (event) {
case QEVENT_DEBUG:
event_name = "DEBUG";
break;
case QEVENT_SHUTDOWN:
event_name = "SHUTDOWN";
break;
case QEVENT_RESET:
event_name = "RESET";
break;
case QEVENT_POWERDOWN:
event_name = "POWERDOWN";
break;
case QEVENT_STOP:
event_name = "STOP";
break;
case QEVENT_VNC_CONNECTED:
event_name = "VNC_CONNECTED";
break;
case QEVENT_VNC_INITIALIZED:
event_name = "VNC_INITIALIZED";
break;
case QEVENT_VNC_DISCONNECTED:
event_name = "VNC_DISCONNECTED";
break;
default:
abort();
break;
}
qmp = qdict_new();
timestamp_put(qmp);
qdict_put(qmp, "event", qstring_from_str(event_name));
if (data) {
qobject_incref(data);
qdict_put_obj(qmp, "data", data);
}
QLIST_FOREACH(mon, &mon_list, entry) {
if (!monitor_ctrl_mode(mon))
return;
monitor_json_emitter(mon, QOBJECT(qmp));
}
QDECREF(qmp);
}
| 27,301 |
qemu | 903585dec63ee83bd8149006e31f92ea789b38e3 | 0 | static int ppce500_prep_device_tree(MachineState *machine,
PPCE500Params *params,
hwaddr addr,
hwaddr initrd_base,
hwaddr initrd_size)
{
DeviceTreeParams *p = g_new(DeviceTreeParams, 1);
p->machine = machine;
p->params = *params;
p->addr = addr;
p->initrd_base = initrd_base;
p->initrd_size = initrd_size;
qemu_register_reset(ppce500_reset_device_tree, p);
/* Issue the device tree loader once, so that we get the size of the blob */
return ppce500_load_device_tree(machine, params, addr, initrd_base,
initrd_size, true);
}
| 27,302 |
qemu | 61007b316cd71ee7333ff7a0a749a8949527575f | 0 | int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
{
BlockDriver *drv = bs->drv;
if (drv && drv->bdrv_ioctl)
return drv->bdrv_ioctl(bs, req, buf);
return -ENOTSUP;
}
| 27,303 |
qemu | ac1970fbe8ad5a70174f462109ac0f6c7bf1bc43 | 0 | void tb_invalidate_phys_addr(target_phys_addr_t addr)
{
ram_addr_t ram_addr;
MemoryRegionSection *section;
section = phys_page_find(addr >> TARGET_PAGE_BITS);
if (!(memory_region_is_ram(section->mr)
|| (section->mr->rom_device && section->mr->readable))) {
return;
}
ram_addr = (memory_region_get_ram_addr(section->mr) & TARGET_PAGE_MASK)
+ memory_region_section_addr(section, addr);
tb_invalidate_phys_page_range(ram_addr, ram_addr + 1, 0);
}
| 27,304 |
qemu | 4be746345f13e99e468c60acbd3a355e8183e3ce | 0 | static void scsi_generic_realize(SCSIDevice *s, Error **errp)
{
int rc;
int sg_version;
struct sg_scsi_id scsiid;
if (!s->conf.bs) {
error_setg(errp, "drive property not set");
return;
}
if (bdrv_get_on_error(s->conf.bs, 0) != BLOCKDEV_ON_ERROR_ENOSPC) {
error_setg(errp, "Device doesn't support drive option werror");
return;
}
if (bdrv_get_on_error(s->conf.bs, 1) != BLOCKDEV_ON_ERROR_REPORT) {
error_setg(errp, "Device doesn't support drive option rerror");
return;
}
/* check we are using a driver managing SG_IO (version 3 and after */
rc = bdrv_ioctl(s->conf.bs, SG_GET_VERSION_NUM, &sg_version);
if (rc < 0) {
error_setg(errp, "cannot get SG_IO version number: %s. "
"Is this a SCSI device?",
strerror(-rc));
return;
}
if (sg_version < 30000) {
error_setg(errp, "scsi generic interface too old");
return;
}
/* get LUN of the /dev/sg? */
if (bdrv_ioctl(s->conf.bs, SG_GET_SCSI_ID, &scsiid)) {
error_setg(errp, "SG_GET_SCSI_ID ioctl failed");
return;
}
/* define device state */
s->type = scsiid.scsi_type;
DPRINTF("device type %d\n", s->type);
switch (s->type) {
case TYPE_TAPE:
s->blocksize = get_stream_blocksize(s->conf.bs);
if (s->blocksize == -1) {
s->blocksize = 0;
}
break;
/* Make a guess for block devices, we'll fix it when the guest sends.
* READ CAPACITY. If they don't, they likely would assume these sizes
* anyway. (TODO: they could also send MODE SENSE).
*/
case TYPE_ROM:
case TYPE_WORM:
s->blocksize = 2048;
break;
default:
s->blocksize = 512;
break;
}
DPRINTF("block size %d\n", s->blocksize);
}
| 27,305 |
FFmpeg | 84be80698227366d970e045001e4b59e4f99f0a1 | 0 | static void pool_release_buffer(void *opaque, uint8_t *data)
{
BufferPoolEntry *buf = opaque;
AVBufferPool *pool = buf->pool;
if(CONFIG_MEMORY_POISONING)
memset(buf->data, 0x2a, pool->size);
add_to_pool(buf);
if (!avpriv_atomic_int_add_and_fetch(&pool->refcount, -1))
buffer_pool_free(pool);
}
| 27,306 |
qemu | 3aa80988430f41847e1b78d165440ac03503b6d0 | 0 | static void dec_load(DisasContext *dc)
{
TCGv t, *addr;
unsigned int size;
size = 1 << (dc->opcode & 3);
LOG_DIS("l %x %d\n", dc->opcode, size);
t_sync_flags(dc);
addr = compute_ldst_addr(dc, &t);
/* If we get a fault on a dslot, the jmpstate better be in sync. */
sync_jmpstate(dc);
/* Verify alignment if needed. */
if ((dc->env->pvr.regs[2] & PVR2_UNALIGNED_EXC_MASK) && size > 1) {
gen_helper_memalign(*addr, tcg_const_tl(dc->rd),
tcg_const_tl(0), tcg_const_tl(size));
}
if (dc->rd) {
gen_load(dc, cpu_R[dc->rd], *addr, size);
} else {
gen_load(dc, env_imm, *addr, size);
}
if (addr == &t)
tcg_temp_free(t);
}
| 27,307 |
qemu | 920557971b60e53c2f3f22e5d6c620ab1ed411fd | 0 | void ich9_lpc_pm_init(PCIDevice *lpc_pci, bool smm_enabled)
{
ICH9LPCState *lpc = ICH9_LPC_DEVICE(lpc_pci);
qemu_irq sci_irq;
sci_irq = qemu_allocate_irq(ich9_set_sci, lpc, 0);
ich9_pm_init(lpc_pci, &lpc->pm, smm_enabled, sci_irq);
ich9_lpc_reset(&lpc->d.qdev);
}
| 27,308 |
qemu | 185698715dfb18c82ad2a5dbc169908602d43e81 | 0 | uint64_t helper_fctiw (uint64_t arg)
{
CPU_DoubleU farg;
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN conversion */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI);
} else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) {
/* qNan / infinity conversion */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI);
} else {
farg.ll = float64_to_int32(farg.d, &env->fp_status);
#if USE_PRECISE_EMULATION
/* XXX: higher bits are not supposed to be significant.
* to make tests easier, return the same as a real PowerPC 750
*/
farg.ll |= 0xFFF80000ULL << 32;
#endif
}
return farg.ll;
}
| 27,309 |
qemu | 347a5c73bafd1b5872c9d3192a4d08f8aa1d5f5a | 0 | static int ppc_hash64_pte_prot(PowerPCCPU *cpu,
ppc_slb_t *slb, ppc_hash_pte64_t pte)
{
CPUPPCState *env = &cpu->env;
unsigned pp, key;
/* Some pp bit combinations have undefined behaviour, so default
* to no access in those cases */
int prot = 0;
key = !!(msr_pr ? (slb->vsid & SLB_VSID_KP)
: (slb->vsid & SLB_VSID_KS));
pp = (pte.pte1 & HPTE64_R_PP) | ((pte.pte1 & HPTE64_R_PP0) >> 61);
if (key == 0) {
switch (pp) {
case 0x0:
case 0x1:
case 0x2:
prot = PAGE_READ | PAGE_WRITE;
break;
case 0x3:
case 0x6:
prot = PAGE_READ;
break;
}
} else {
switch (pp) {
case 0x0:
case 0x6:
prot = 0;
break;
case 0x1:
case 0x3:
prot = PAGE_READ;
break;
case 0x2:
prot = PAGE_READ | PAGE_WRITE;
break;
}
}
/* No execute if either noexec or guarded bits set */
if (!(pte.pte1 & HPTE64_R_N) || (pte.pte1 & HPTE64_R_G)
|| (slb->vsid & SLB_VSID_N)) {
prot |= PAGE_EXEC;
}
return prot;
}
| 27,310 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void exynos4210_mct_write(void *opaque, target_phys_addr_t offset,
uint64_t value, unsigned size)
{
Exynos4210MCTState *s = (Exynos4210MCTState *)opaque;
int index; /* index in buffer which represents register set */
int shift;
int lt_i;
uint64_t new_frc;
uint32_t i;
uint32_t old_val;
#ifdef DEBUG_MCT
static uint32_t icntb_max[2] = {0};
static uint32_t icntb_min[2] = {UINT32_MAX, UINT32_MAX};
static uint32_t tcntb_max[2] = {0};
static uint32_t tcntb_min[2] = {UINT32_MAX, UINT32_MAX};
#endif
new_frc = s->g_timer.reg.cnt;
switch (offset) {
case MCT_CFG:
s->reg_mct_cfg = value;
exynos4210_mct_update_freq(s);
break;
case G_CNT_L:
case G_CNT_U:
if (offset == G_CNT_L) {
DPRINTF("global timer write to reg.cntl %llx\n", value);
new_frc = (s->g_timer.reg.cnt & (uint64_t)UINT32_MAX << 32) + value;
s->g_timer.reg.cnt_wstat |= G_CNT_WSTAT_L;
}
if (offset == G_CNT_U) {
DPRINTF("global timer write to reg.cntu %llx\n", value);
new_frc = (s->g_timer.reg.cnt & UINT32_MAX) +
((uint64_t)value << 32);
s->g_timer.reg.cnt_wstat |= G_CNT_WSTAT_U;
}
s->g_timer.reg.cnt = new_frc;
exynos4210_gfrc_restart(s);
break;
case G_CNT_WSTAT:
s->g_timer.reg.cnt_wstat &= ~(value);
break;
case G_COMP_L(0): case G_COMP_L(1): case G_COMP_L(2): case G_COMP_L(3):
case G_COMP_U(0): case G_COMP_U(1): case G_COMP_U(2): case G_COMP_U(3):
index = GET_G_COMP_IDX(offset);
shift = 8 * (offset & 0x4);
s->g_timer.reg.comp[index] =
(s->g_timer.reg.comp[index] &
(((uint64_t)UINT32_MAX << 32) >> shift)) +
(value << shift);
DPRINTF("comparator %d write 0x%llx val << %d\n", index, value, shift);
if (offset&0x4) {
s->g_timer.reg.wstat |= G_WSTAT_COMP_U(index);
} else {
s->g_timer.reg.wstat |= G_WSTAT_COMP_L(index);
}
exynos4210_gfrc_restart(s);
break;
case G_TCON:
old_val = s->g_timer.reg.tcon;
s->g_timer.reg.tcon = value;
s->g_timer.reg.wstat |= G_WSTAT_TCON_WRITE;
DPRINTF("global timer write to reg.g_tcon %llx\n", value);
/* Start FRC if transition from disabled to enabled */
if ((value & G_TCON_TIMER_ENABLE) > (old_val &
G_TCON_TIMER_ENABLE)) {
exynos4210_gfrc_start(&s->g_timer);
}
if ((value & G_TCON_TIMER_ENABLE) < (old_val &
G_TCON_TIMER_ENABLE)) {
exynos4210_gfrc_stop(&s->g_timer);
}
/* Start CMP if transition from disabled to enabled */
for (i = 0; i < MCT_GT_CMP_NUM; i++) {
if ((value & G_TCON_COMP_ENABLE(i)) != (old_val &
G_TCON_COMP_ENABLE(i))) {
exynos4210_gfrc_restart(s);
}
}
break;
case G_INT_CSTAT:
s->g_timer.reg.int_cstat &= ~(value);
for (i = 0; i < MCT_GT_CMP_NUM; i++) {
if (value & G_INT_CSTAT_COMP(i)) {
exynos4210_gcomp_lower_irq(&s->g_timer, i);
}
}
break;
case G_INT_ENB:
/* Raise IRQ if transition from disabled to enabled and CSTAT pending */
for (i = 0; i < MCT_GT_CMP_NUM; i++) {
if ((value & G_INT_ENABLE(i)) > (s->g_timer.reg.tcon &
G_INT_ENABLE(i))) {
if (s->g_timer.reg.int_cstat & G_INT_CSTAT_COMP(i)) {
exynos4210_gcomp_raise_irq(&s->g_timer, i);
}
}
if ((value & G_INT_ENABLE(i)) < (s->g_timer.reg.tcon &
G_INT_ENABLE(i))) {
exynos4210_gcomp_lower_irq(&s->g_timer, i);
}
}
DPRINTF("global timer INT enable %llx\n", value);
s->g_timer.reg.int_enb = value;
break;
case G_WSTAT:
s->g_timer.reg.wstat &= ~(value);
break;
case G_COMP0_ADD_INCR: case G_COMP1_ADD_INCR:
case G_COMP2_ADD_INCR: case G_COMP3_ADD_INCR:
index = GET_G_COMP_ADD_INCR_IDX(offset);
s->g_timer.reg.comp_add_incr[index] = value;
s->g_timer.reg.wstat |= G_WSTAT_COMP_ADDINCR(index);
break;
/* Local timers */
case L0_TCON: case L1_TCON:
lt_i = GET_L_TIMER_IDX(offset);
old_val = s->l_timer[lt_i].reg.tcon;
s->l_timer[lt_i].reg.wstat |= L_WSTAT_TCON_WRITE;
s->l_timer[lt_i].reg.tcon = value;
/* Stop local CNT */
if ((value & L_TCON_TICK_START) <
(old_val & L_TCON_TICK_START)) {
DPRINTF("local timer[%d] stop cnt\n", lt_i);
exynos4210_ltick_cnt_stop(&s->l_timer[lt_i].tick_timer);
}
/* Stop local INT */
if ((value & L_TCON_INT_START) <
(old_val & L_TCON_INT_START)) {
DPRINTF("local timer[%d] stop int\n", lt_i);
exynos4210_ltick_int_stop(&s->l_timer[lt_i].tick_timer);
}
/* Start local CNT */
if ((value & L_TCON_TICK_START) >
(old_val & L_TCON_TICK_START)) {
DPRINTF("local timer[%d] start cnt\n", lt_i);
exynos4210_ltick_cnt_start(&s->l_timer[lt_i].tick_timer);
}
/* Start local INT */
if ((value & L_TCON_INT_START) >
(old_val & L_TCON_INT_START)) {
DPRINTF("local timer[%d] start int\n", lt_i);
exynos4210_ltick_int_start(&s->l_timer[lt_i].tick_timer);
}
/* Start or Stop local FRC if TCON changed */
if ((value & L_TCON_FRC_START) >
(s->l_timer[lt_i].reg.tcon & L_TCON_FRC_START)) {
DPRINTF("local timer[%d] start frc\n", lt_i);
exynos4210_lfrc_start(&s->l_timer[lt_i]);
}
if ((value & L_TCON_FRC_START) <
(s->l_timer[lt_i].reg.tcon & L_TCON_FRC_START)) {
DPRINTF("local timer[%d] stop frc\n", lt_i);
exynos4210_lfrc_stop(&s->l_timer[lt_i]);
}
break;
case L0_TCNTB: case L1_TCNTB:
lt_i = GET_L_TIMER_IDX(offset);
index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i);
/*
* TCNTB is updated to internal register only after CNT expired.
* Due to this we should reload timer to nearest moment when CNT is
* expired and then in event handler update tcntb to new TCNTB value.
*/
exynos4210_ltick_set_cntb(&s->l_timer[lt_i].tick_timer, value,
s->l_timer[lt_i].tick_timer.icntb);
s->l_timer[lt_i].reg.wstat |= L_WSTAT_TCNTB_WRITE;
s->l_timer[lt_i].reg.cnt[L_REG_CNT_TCNTB] = value;
#ifdef DEBUG_MCT
if (tcntb_min[lt_i] > value) {
tcntb_min[lt_i] = value;
}
if (tcntb_max[lt_i] < value) {
tcntb_max[lt_i] = value;
}
DPRINTF("local timer[%d] TCNTB write %llx; max=%x, min=%x\n",
lt_i, value, tcntb_max[lt_i], tcntb_min[lt_i]);
#endif
break;
case L0_ICNTB: case L1_ICNTB:
lt_i = GET_L_TIMER_IDX(offset);
index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i);
s->l_timer[lt_i].reg.wstat |= L_WSTAT_ICNTB_WRITE;
s->l_timer[lt_i].reg.cnt[L_REG_CNT_ICNTB] = value &
~L_ICNTB_MANUAL_UPDATE;
/*
* We need to avoid too small values for TCNTB*ICNTB. If not, IRQ event
* could raise too fast disallowing QEMU to execute target code.
*/
if (s->l_timer[lt_i].reg.cnt[L_REG_CNT_ICNTB] *
s->l_timer[lt_i].reg.cnt[L_REG_CNT_TCNTB] < MCT_LT_CNT_LOW_LIMIT) {
if (!s->l_timer[lt_i].reg.cnt[L_REG_CNT_TCNTB]) {
s->l_timer[lt_i].reg.cnt[L_REG_CNT_ICNTB] =
MCT_LT_CNT_LOW_LIMIT;
} else {
s->l_timer[lt_i].reg.cnt[L_REG_CNT_ICNTB] =
MCT_LT_CNT_LOW_LIMIT /
s->l_timer[lt_i].reg.cnt[L_REG_CNT_TCNTB];
}
}
if (value & L_ICNTB_MANUAL_UPDATE) {
exynos4210_ltick_set_cntb(&s->l_timer[lt_i].tick_timer,
s->l_timer[lt_i].tick_timer.tcntb,
s->l_timer[lt_i].reg.cnt[L_REG_CNT_ICNTB]);
}
#ifdef DEBUG_MCT
if (icntb_min[lt_i] > value) {
icntb_min[lt_i] = value;
}
if (icntb_max[lt_i] < value) {
icntb_max[lt_i] = value;
}
DPRINTF("local timer[%d] ICNTB write %llx; max=%x, min=%x\n\n",
lt_i, value, icntb_max[lt_i], icntb_min[lt_i]);
#endif
break;
case L0_FRCNTB: case L1_FRCNTB:
lt_i = GET_L_TIMER_IDX(offset);
index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i);
DPRINTF("local timer[%d] FRCNTB write %llx\n", lt_i, value);
s->l_timer[lt_i].reg.wstat |= L_WSTAT_FRCCNTB_WRITE;
s->l_timer[lt_i].reg.cnt[L_REG_CNT_FRCCNTB] = value;
break;
case L0_TCNTO: case L1_TCNTO:
case L0_ICNTO: case L1_ICNTO:
case L0_FRCNTO: case L1_FRCNTO:
fprintf(stderr, "\n[exynos4210.mct: write to RO register "
TARGET_FMT_plx "]\n\n", offset);
break;
case L0_INT_CSTAT: case L1_INT_CSTAT:
lt_i = GET_L_TIMER_IDX(offset);
DPRINTF("local timer[%d] CSTAT write %llx\n", lt_i, value);
s->l_timer[lt_i].reg.int_cstat &= ~value;
if (!s->l_timer[lt_i].reg.int_cstat) {
qemu_irq_lower(s->l_timer[lt_i].irq);
}
break;
case L0_INT_ENB: case L1_INT_ENB:
lt_i = GET_L_TIMER_IDX(offset);
old_val = s->l_timer[lt_i].reg.int_enb;
/* Raise Local timer IRQ if cstat is pending */
if ((value & L_INT_INTENB_ICNTEIE) > (old_val & L_INT_INTENB_ICNTEIE)) {
if (s->l_timer[lt_i].reg.int_cstat & L_INT_CSTAT_INTCNT) {
qemu_irq_raise(s->l_timer[lt_i].irq);
}
}
s->l_timer[lt_i].reg.int_enb = value;
break;
case L0_WSTAT: case L1_WSTAT:
lt_i = GET_L_TIMER_IDX(offset);
s->l_timer[lt_i].reg.wstat &= ~value;
break;
default:
hw_error("exynos4210.mct: bad write offset "
TARGET_FMT_plx "\n", offset);
break;
}
}
| 27,312 |
qemu | 1ea879e5580f63414693655fcf0328559cdce138 | 0 | static int no_init_in (HWVoiceIn *hw, audsettings_t *as)
{
audio_pcm_init_info (&hw->info, as);
hw->samples = 1024;
return 0;
}
| 27,313 |
qemu | f74990a5d019751c545e9800a3376b6336e77d38 | 0 | uint32_t HELPER(stfle)(CPUS390XState *env, uint64_t addr)
{
uint64_t words[MAX_STFL_WORDS];
unsigned count_m1 = env->regs[0] & 0xff;
unsigned max_m1 = do_stfle(env, words);
unsigned i;
for (i = 0; i <= count_m1; ++i) {
cpu_stq_data(env, addr + 8 * i, words[i]);
}
env->regs[0] = deposit64(env->regs[0], 0, 8, max_m1);
return (count_m1 >= max_m1 ? 0 : 3);
}
| 27,314 |
qemu | a89f364ae8740dfc31b321eed9ee454e996dc3c1 | 0 | static void pxa2xx_fir_write(void *opaque, hwaddr addr,
uint64_t value64, unsigned size)
{
PXA2xxFIrState *s = (PXA2xxFIrState *) opaque;
uint32_t value = value64;
uint8_t ch;
switch (addr) {
case ICCR0:
s->control[0] = value;
if (!(value & (1 << 4))) /* RXE */
s->rx_len = s->rx_start = 0;
if (!(value & (1 << 3))) { /* TXE */
/* Nop */
}
s->enable = value & 1; /* ITR */
if (!s->enable)
s->status[0] = 0;
pxa2xx_fir_update(s);
break;
case ICCR1:
s->control[1] = value;
break;
case ICCR2:
s->control[2] = value & 0x3f;
pxa2xx_fir_update(s);
break;
case ICDR:
if (s->control[2] & (1 << 2)) { /* TXP */
ch = value;
} else {
ch = ~value;
}
if (s->enable && (s->control[0] & (1 << 3))) { /* TXE */
/* XXX this blocks entire thread. Rewrite to use
* qemu_chr_fe_write and background I/O callbacks */
qemu_chr_fe_write_all(&s->chr, &ch, 1);
}
break;
case ICSR0:
s->status[0] &= ~(value & 0x66);
pxa2xx_fir_update(s);
break;
case ICFOR:
break;
default:
printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr);
}
}
| 27,315 |
qemu | 39fb730aed8c5f7b0058845cb9feac0d4b177985 | 0 | static void disas_thumb_insn(CPUARMState *env, DisasContext *s)
{
uint32_t val, insn, op, rm, rn, rd, shift, cond;
int32_t offset;
int i;
TCGv_i32 tmp;
TCGv_i32 tmp2;
TCGv_i32 addr;
if (s->condexec_mask) {
cond = s->condexec_cond;
if (cond != 0x0e) { /* Skip conditional when condition is AL. */
s->condlabel = gen_new_label();
gen_test_cc(cond ^ 1, s->condlabel);
s->condjmp = 1;
}
}
insn = arm_lduw_code(env, s->pc, s->bswap_code);
s->pc += 2;
switch (insn >> 12) {
case 0: case 1:
rd = insn & 7;
op = (insn >> 11) & 3;
if (op == 3) {
/* add/subtract */
rn = (insn >> 3) & 7;
tmp = load_reg(s, rn);
if (insn & (1 << 10)) {
/* immediate */
tmp2 = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp2, (insn >> 6) & 7);
} else {
/* reg */
rm = (insn >> 6) & 7;
tmp2 = load_reg(s, rm);
}
if (insn & (1 << 9)) {
if (s->condexec_mask)
tcg_gen_sub_i32(tmp, tmp, tmp2);
else
gen_sub_CC(tmp, tmp, tmp2);
} else {
if (s->condexec_mask)
tcg_gen_add_i32(tmp, tmp, tmp2);
else
gen_add_CC(tmp, tmp, tmp2);
}
tcg_temp_free_i32(tmp2);
store_reg(s, rd, tmp);
} else {
/* shift immediate */
rm = (insn >> 3) & 7;
shift = (insn >> 6) & 0x1f;
tmp = load_reg(s, rm);
gen_arm_shift_im(tmp, op, shift, s->condexec_mask == 0);
if (!s->condexec_mask)
gen_logic_CC(tmp);
store_reg(s, rd, tmp);
}
break;
case 2: case 3:
/* arithmetic large immediate */
op = (insn >> 11) & 3;
rd = (insn >> 8) & 0x7;
if (op == 0) { /* mov */
tmp = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp, insn & 0xff);
if (!s->condexec_mask)
gen_logic_CC(tmp);
store_reg(s, rd, tmp);
} else {
tmp = load_reg(s, rd);
tmp2 = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp2, insn & 0xff);
switch (op) {
case 1: /* cmp */
gen_sub_CC(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp);
tcg_temp_free_i32(tmp2);
break;
case 2: /* add */
if (s->condexec_mask)
tcg_gen_add_i32(tmp, tmp, tmp2);
else
gen_add_CC(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
store_reg(s, rd, tmp);
break;
case 3: /* sub */
if (s->condexec_mask)
tcg_gen_sub_i32(tmp, tmp, tmp2);
else
gen_sub_CC(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
store_reg(s, rd, tmp);
break;
}
}
break;
case 4:
if (insn & (1 << 11)) {
rd = (insn >> 8) & 7;
/* load pc-relative. Bit 1 of PC is ignored. */
val = s->pc + 2 + ((insn & 0xff) * 4);
val &= ~(uint32_t)2;
addr = tcg_temp_new_i32();
tcg_gen_movi_i32(addr, val);
tmp = tcg_temp_new_i32();
gen_aa32_ld32u(tmp, addr, IS_USER(s));
tcg_temp_free_i32(addr);
store_reg(s, rd, tmp);
break;
}
if (insn & (1 << 10)) {
/* data processing extended or blx */
rd = (insn & 7) | ((insn >> 4) & 8);
rm = (insn >> 3) & 0xf;
op = (insn >> 8) & 3;
switch (op) {
case 0: /* add */
tmp = load_reg(s, rd);
tmp2 = load_reg(s, rm);
tcg_gen_add_i32(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
store_reg(s, rd, tmp);
break;
case 1: /* cmp */
tmp = load_reg(s, rd);
tmp2 = load_reg(s, rm);
gen_sub_CC(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
tcg_temp_free_i32(tmp);
break;
case 2: /* mov/cpy */
tmp = load_reg(s, rm);
store_reg(s, rd, tmp);
break;
case 3:/* branch [and link] exchange thumb register */
tmp = load_reg(s, rm);
if (insn & (1 << 7)) {
ARCH(5);
val = (uint32_t)s->pc | 1;
tmp2 = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp2, val);
store_reg(s, 14, tmp2);
}
/* already thumb, no need to check */
gen_bx(s, tmp);
break;
}
break;
}
/* data processing register */
rd = insn & 7;
rm = (insn >> 3) & 7;
op = (insn >> 6) & 0xf;
if (op == 2 || op == 3 || op == 4 || op == 7) {
/* the shift/rotate ops want the operands backwards */
val = rm;
rm = rd;
rd = val;
val = 1;
} else {
val = 0;
}
if (op == 9) { /* neg */
tmp = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp, 0);
} else if (op != 0xf) { /* mvn doesn't read its first operand */
tmp = load_reg(s, rd);
} else {
TCGV_UNUSED_I32(tmp);
}
tmp2 = load_reg(s, rm);
switch (op) {
case 0x0: /* and */
tcg_gen_and_i32(tmp, tmp, tmp2);
if (!s->condexec_mask)
gen_logic_CC(tmp);
break;
case 0x1: /* eor */
tcg_gen_xor_i32(tmp, tmp, tmp2);
if (!s->condexec_mask)
gen_logic_CC(tmp);
break;
case 0x2: /* lsl */
if (s->condexec_mask) {
gen_shl(tmp2, tmp2, tmp);
} else {
gen_helper_shl_cc(tmp2, cpu_env, tmp2, tmp);
gen_logic_CC(tmp2);
}
break;
case 0x3: /* lsr */
if (s->condexec_mask) {
gen_shr(tmp2, tmp2, tmp);
} else {
gen_helper_shr_cc(tmp2, cpu_env, tmp2, tmp);
gen_logic_CC(tmp2);
}
break;
case 0x4: /* asr */
if (s->condexec_mask) {
gen_sar(tmp2, tmp2, tmp);
} else {
gen_helper_sar_cc(tmp2, cpu_env, tmp2, tmp);
gen_logic_CC(tmp2);
}
break;
case 0x5: /* adc */
if (s->condexec_mask) {
gen_adc(tmp, tmp2);
} else {
gen_adc_CC(tmp, tmp, tmp2);
}
break;
case 0x6: /* sbc */
if (s->condexec_mask) {
gen_sub_carry(tmp, tmp, tmp2);
} else {
gen_sbc_CC(tmp, tmp, tmp2);
}
break;
case 0x7: /* ror */
if (s->condexec_mask) {
tcg_gen_andi_i32(tmp, tmp, 0x1f);
tcg_gen_rotr_i32(tmp2, tmp2, tmp);
} else {
gen_helper_ror_cc(tmp2, cpu_env, tmp2, tmp);
gen_logic_CC(tmp2);
}
break;
case 0x8: /* tst */
tcg_gen_and_i32(tmp, tmp, tmp2);
gen_logic_CC(tmp);
rd = 16;
break;
case 0x9: /* neg */
if (s->condexec_mask)
tcg_gen_neg_i32(tmp, tmp2);
else
gen_sub_CC(tmp, tmp, tmp2);
break;
case 0xa: /* cmp */
gen_sub_CC(tmp, tmp, tmp2);
rd = 16;
break;
case 0xb: /* cmn */
gen_add_CC(tmp, tmp, tmp2);
rd = 16;
break;
case 0xc: /* orr */
tcg_gen_or_i32(tmp, tmp, tmp2);
if (!s->condexec_mask)
gen_logic_CC(tmp);
break;
case 0xd: /* mul */
tcg_gen_mul_i32(tmp, tmp, tmp2);
if (!s->condexec_mask)
gen_logic_CC(tmp);
break;
case 0xe: /* bic */
tcg_gen_andc_i32(tmp, tmp, tmp2);
if (!s->condexec_mask)
gen_logic_CC(tmp);
break;
case 0xf: /* mvn */
tcg_gen_not_i32(tmp2, tmp2);
if (!s->condexec_mask)
gen_logic_CC(tmp2);
val = 1;
rm = rd;
break;
}
if (rd != 16) {
if (val) {
store_reg(s, rm, tmp2);
if (op != 0xf)
tcg_temp_free_i32(tmp);
} else {
store_reg(s, rd, tmp);
tcg_temp_free_i32(tmp2);
}
} else {
tcg_temp_free_i32(tmp);
tcg_temp_free_i32(tmp2);
}
break;
case 5:
/* load/store register offset. */
rd = insn & 7;
rn = (insn >> 3) & 7;
rm = (insn >> 6) & 7;
op = (insn >> 9) & 7;
addr = load_reg(s, rn);
tmp = load_reg(s, rm);
tcg_gen_add_i32(addr, addr, tmp);
tcg_temp_free_i32(tmp);
if (op < 3) { /* store */
tmp = load_reg(s, rd);
} else {
tmp = tcg_temp_new_i32();
}
switch (op) {
case 0: /* str */
gen_aa32_st32(tmp, addr, IS_USER(s));
break;
case 1: /* strh */
gen_aa32_st16(tmp, addr, IS_USER(s));
break;
case 2: /* strb */
gen_aa32_st8(tmp, addr, IS_USER(s));
break;
case 3: /* ldrsb */
gen_aa32_ld8s(tmp, addr, IS_USER(s));
break;
case 4: /* ldr */
gen_aa32_ld32u(tmp, addr, IS_USER(s));
break;
case 5: /* ldrh */
gen_aa32_ld16u(tmp, addr, IS_USER(s));
break;
case 6: /* ldrb */
gen_aa32_ld8u(tmp, addr, IS_USER(s));
break;
case 7: /* ldrsh */
gen_aa32_ld16s(tmp, addr, IS_USER(s));
break;
}
if (op >= 3) { /* load */
store_reg(s, rd, tmp);
} else {
tcg_temp_free_i32(tmp);
}
tcg_temp_free_i32(addr);
break;
case 6:
/* load/store word immediate offset */
rd = insn & 7;
rn = (insn >> 3) & 7;
addr = load_reg(s, rn);
val = (insn >> 4) & 0x7c;
tcg_gen_addi_i32(addr, addr, val);
if (insn & (1 << 11)) {
/* load */
tmp = tcg_temp_new_i32();
gen_aa32_ld32u(tmp, addr, IS_USER(s));
store_reg(s, rd, tmp);
} else {
/* store */
tmp = load_reg(s, rd);
gen_aa32_st32(tmp, addr, IS_USER(s));
tcg_temp_free_i32(tmp);
}
tcg_temp_free_i32(addr);
break;
case 7:
/* load/store byte immediate offset */
rd = insn & 7;
rn = (insn >> 3) & 7;
addr = load_reg(s, rn);
val = (insn >> 6) & 0x1f;
tcg_gen_addi_i32(addr, addr, val);
if (insn & (1 << 11)) {
/* load */
tmp = tcg_temp_new_i32();
gen_aa32_ld8u(tmp, addr, IS_USER(s));
store_reg(s, rd, tmp);
} else {
/* store */
tmp = load_reg(s, rd);
gen_aa32_st8(tmp, addr, IS_USER(s));
tcg_temp_free_i32(tmp);
}
tcg_temp_free_i32(addr);
break;
case 8:
/* load/store halfword immediate offset */
rd = insn & 7;
rn = (insn >> 3) & 7;
addr = load_reg(s, rn);
val = (insn >> 5) & 0x3e;
tcg_gen_addi_i32(addr, addr, val);
if (insn & (1 << 11)) {
/* load */
tmp = tcg_temp_new_i32();
gen_aa32_ld16u(tmp, addr, IS_USER(s));
store_reg(s, rd, tmp);
} else {
/* store */
tmp = load_reg(s, rd);
gen_aa32_st16(tmp, addr, IS_USER(s));
tcg_temp_free_i32(tmp);
}
tcg_temp_free_i32(addr);
break;
case 9:
/* load/store from stack */
rd = (insn >> 8) & 7;
addr = load_reg(s, 13);
val = (insn & 0xff) * 4;
tcg_gen_addi_i32(addr, addr, val);
if (insn & (1 << 11)) {
/* load */
tmp = tcg_temp_new_i32();
gen_aa32_ld32u(tmp, addr, IS_USER(s));
store_reg(s, rd, tmp);
} else {
/* store */
tmp = load_reg(s, rd);
gen_aa32_st32(tmp, addr, IS_USER(s));
tcg_temp_free_i32(tmp);
}
tcg_temp_free_i32(addr);
break;
case 10:
/* add to high reg */
rd = (insn >> 8) & 7;
if (insn & (1 << 11)) {
/* SP */
tmp = load_reg(s, 13);
} else {
/* PC. bit 1 is ignored. */
tmp = tcg_temp_new_i32();
tcg_gen_movi_i32(tmp, (s->pc + 2) & ~(uint32_t)2);
}
val = (insn & 0xff) * 4;
tcg_gen_addi_i32(tmp, tmp, val);
store_reg(s, rd, tmp);
break;
case 11:
/* misc */
op = (insn >> 8) & 0xf;
switch (op) {
case 0:
/* adjust stack pointer */
tmp = load_reg(s, 13);
val = (insn & 0x7f) * 4;
if (insn & (1 << 7))
val = -(int32_t)val;
tcg_gen_addi_i32(tmp, tmp, val);
store_reg(s, 13, tmp);
break;
case 2: /* sign/zero extend. */
ARCH(6);
rd = insn & 7;
rm = (insn >> 3) & 7;
tmp = load_reg(s, rm);
switch ((insn >> 6) & 3) {
case 0: gen_sxth(tmp); break;
case 1: gen_sxtb(tmp); break;
case 2: gen_uxth(tmp); break;
case 3: gen_uxtb(tmp); break;
}
store_reg(s, rd, tmp);
break;
case 4: case 5: case 0xc: case 0xd:
/* push/pop */
addr = load_reg(s, 13);
if (insn & (1 << 8))
offset = 4;
else
offset = 0;
for (i = 0; i < 8; i++) {
if (insn & (1 << i))
offset += 4;
}
if ((insn & (1 << 11)) == 0) {
tcg_gen_addi_i32(addr, addr, -offset);
}
for (i = 0; i < 8; i++) {
if (insn & (1 << i)) {
if (insn & (1 << 11)) {
/* pop */
tmp = tcg_temp_new_i32();
gen_aa32_ld32u(tmp, addr, IS_USER(s));
store_reg(s, i, tmp);
} else {
/* push */
tmp = load_reg(s, i);
gen_aa32_st32(tmp, addr, IS_USER(s));
tcg_temp_free_i32(tmp);
}
/* advance to the next address. */
tcg_gen_addi_i32(addr, addr, 4);
}
}
TCGV_UNUSED_I32(tmp);
if (insn & (1 << 8)) {
if (insn & (1 << 11)) {
/* pop pc */
tmp = tcg_temp_new_i32();
gen_aa32_ld32u(tmp, addr, IS_USER(s));
/* don't set the pc until the rest of the instruction
has completed */
} else {
/* push lr */
tmp = load_reg(s, 14);
gen_aa32_st32(tmp, addr, IS_USER(s));
tcg_temp_free_i32(tmp);
}
tcg_gen_addi_i32(addr, addr, 4);
}
if ((insn & (1 << 11)) == 0) {
tcg_gen_addi_i32(addr, addr, -offset);
}
/* write back the new stack pointer */
store_reg(s, 13, addr);
/* set the new PC value */
if ((insn & 0x0900) == 0x0900) {
store_reg_from_load(env, s, 15, tmp);
}
break;
case 1: case 3: case 9: case 11: /* czb */
rm = insn & 7;
tmp = load_reg(s, rm);
s->condlabel = gen_new_label();
s->condjmp = 1;
if (insn & (1 << 11))
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, s->condlabel);
else
tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, s->condlabel);
tcg_temp_free_i32(tmp);
offset = ((insn & 0xf8) >> 2) | (insn & 0x200) >> 3;
val = (uint32_t)s->pc + 2;
val += offset;
gen_jmp(s, val);
break;
case 15: /* IT, nop-hint. */
if ((insn & 0xf) == 0) {
gen_nop_hint(s, (insn >> 4) & 0xf);
break;
}
/* If Then. */
s->condexec_cond = (insn >> 4) & 0xe;
s->condexec_mask = insn & 0x1f;
/* No actual code generated for this insn, just setup state. */
break;
case 0xe: /* bkpt */
ARCH(5);
gen_exception_insn(s, 2, EXCP_BKPT);
break;
case 0xa: /* rev */
ARCH(6);
rn = (insn >> 3) & 0x7;
rd = insn & 0x7;
tmp = load_reg(s, rn);
switch ((insn >> 6) & 3) {
case 0: tcg_gen_bswap32_i32(tmp, tmp); break;
case 1: gen_rev16(tmp); break;
case 3: gen_revsh(tmp); break;
default: goto illegal_op;
}
store_reg(s, rd, tmp);
break;
case 6:
switch ((insn >> 5) & 7) {
case 2:
/* setend */
ARCH(6);
if (((insn >> 3) & 1) != s->bswap_code) {
/* Dynamic endianness switching not implemented. */
qemu_log_mask(LOG_UNIMP, "arm: unimplemented setend\n");
goto illegal_op;
}
break;
case 3:
/* cps */
ARCH(6);
if (IS_USER(s)) {
break;
}
if (IS_M(env)) {
tmp = tcg_const_i32((insn & (1 << 4)) != 0);
/* FAULTMASK */
if (insn & 1) {
addr = tcg_const_i32(19);
gen_helper_v7m_msr(cpu_env, addr, tmp);
tcg_temp_free_i32(addr);
}
/* PRIMASK */
if (insn & 2) {
addr = tcg_const_i32(16);
gen_helper_v7m_msr(cpu_env, addr, tmp);
tcg_temp_free_i32(addr);
}
tcg_temp_free_i32(tmp);
gen_lookup_tb(s);
} else {
if (insn & (1 << 4)) {
shift = CPSR_A | CPSR_I | CPSR_F;
} else {
shift = 0;
}
gen_set_psr_im(s, ((insn & 7) << 6), 0, shift);
}
break;
default:
goto undef;
}
break;
default:
goto undef;
}
break;
case 12:
{
/* load/store multiple */
TCGv_i32 loaded_var;
TCGV_UNUSED_I32(loaded_var);
rn = (insn >> 8) & 0x7;
addr = load_reg(s, rn);
for (i = 0; i < 8; i++) {
if (insn & (1 << i)) {
if (insn & (1 << 11)) {
/* load */
tmp = tcg_temp_new_i32();
gen_aa32_ld32u(tmp, addr, IS_USER(s));
if (i == rn) {
loaded_var = tmp;
} else {
store_reg(s, i, tmp);
}
} else {
/* store */
tmp = load_reg(s, i);
gen_aa32_st32(tmp, addr, IS_USER(s));
tcg_temp_free_i32(tmp);
}
/* advance to the next address */
tcg_gen_addi_i32(addr, addr, 4);
}
}
if ((insn & (1 << rn)) == 0) {
/* base reg not in list: base register writeback */
store_reg(s, rn, addr);
} else {
/* base reg in list: if load, complete it now */
if (insn & (1 << 11)) {
store_reg(s, rn, loaded_var);
}
tcg_temp_free_i32(addr);
}
break;
}
case 13:
/* conditional branch or swi */
cond = (insn >> 8) & 0xf;
if (cond == 0xe)
goto undef;
if (cond == 0xf) {
/* swi */
gen_set_pc_im(s, s->pc);
s->is_jmp = DISAS_SWI;
break;
}
/* generate a conditional jump to next instruction */
s->condlabel = gen_new_label();
gen_test_cc(cond ^ 1, s->condlabel);
s->condjmp = 1;
/* jump to the offset */
val = (uint32_t)s->pc + 2;
offset = ((int32_t)insn << 24) >> 24;
val += offset << 1;
gen_jmp(s, val);
break;
case 14:
if (insn & (1 << 11)) {
if (disas_thumb2_insn(env, s, insn))
goto undef32;
break;
}
/* unconditional branch */
val = (uint32_t)s->pc;
offset = ((int32_t)insn << 21) >> 21;
val += (offset << 1) + 2;
gen_jmp(s, val);
break;
case 15:
if (disas_thumb2_insn(env, s, insn))
goto undef32;
break;
}
return;
undef32:
gen_exception_insn(s, 4, EXCP_UDEF);
return;
illegal_op:
undef:
gen_exception_insn(s, 2, EXCP_UDEF);
}
| 27,316 |