int
android_charmap_setup(const char* kcm_file_path) {
// android_charmap_count being non-zero is used here as a flag,
// indicating that charmap has been initialized for the running
// executable.
if (android_charmap_count != 0) {
return 0;
}
if (NULL != kcm_file_path) {
if (!parse_kcm_file(kcm_file_path, &android_custom_charmap)) {
// Here we have two default charmaps and the custom one.
android_charmap_count = 3;
android_charmaps = qemu_malloc(sizeof(AKeyCharmap*) *
android_charmap_count);
android_charmaps[0] = &android_custom_charmap;
android_charmaps[1] = &_qwerty_charmap;
android_charmaps[2] = &_qwerty2_charmap;
} else {
derror("Unable to parse kcm file.");
return -1;
}
} else {
// Here we have only two default charmaps.
android_charmap_count = 2;
android_charmaps = qemu_malloc(sizeof(AKeyCharmap*) *
android_charmap_count);
android_charmaps[0] = &_qwerty_charmap;
android_charmaps[1] = &_qwerty2_charmap;
}
return 0;
}
int
android_charmap_setup(const char* kcm_file_path) {
if (NULL != kcm_file_path) {
if (!parse_kcm_file(kcm_file_path, &android_custom_charmap)) {
// Here we have two default charmaps and the custom one.
android_charmap_count = 3;
android_charmaps = qemu_malloc(sizeof(AKeyCharmap*) *
android_charmap_count);
android_charmaps[0] = &android_custom_charmap;
android_charmaps[1] = &_qwerty_charmap;
android_charmaps[2] = &_qwerty2_charmap;
} else {
derror("Unable to parse kcm file.");
return -1;
}
} else {
// Here we have only two default charmaps.
android_charmap_count = 2;
android_charmaps = qemu_malloc(sizeof(AKeyCharmap*) *
android_charmap_count);
android_charmaps[0] = &_qwerty_charmap;
android_charmaps[1] = &_qwerty2_charmap;
}
return 0;
}
int qcow2_read_snapshots(BlockDriverState *bs)
{
BDRVQcowState *s = bs->opaque;
QCowSnapshotHeader h;
QCowSnapshot *sn;
int i, id_str_size, name_size;
int64_t offset;
uint32_t extra_data_size;
if (!s->nb_snapshots) {
s->snapshots = NULL;
s->snapshots_size = 0;
return 0;
}
offset = s->snapshots_offset;
s->snapshots = qemu_mallocz(s->nb_snapshots * sizeof(QCowSnapshot));
for(i = 0; i < s->nb_snapshots; i++) {
offset = align_offset(offset, 8);
if (bdrv_pread(s->hd, offset, &h, sizeof(h)) != sizeof(h))
goto fail;
offset += sizeof(h);
sn = s->snapshots + i;
sn->l1_table_offset = be64_to_cpu(h.l1_table_offset);
sn->l1_size = be32_to_cpu(h.l1_size);
sn->vm_state_size = be32_to_cpu(h.vm_state_size);
sn->date_sec = be32_to_cpu(h.date_sec);
sn->date_nsec = be32_to_cpu(h.date_nsec);
sn->vm_clock_nsec = be64_to_cpu(h.vm_clock_nsec);
extra_data_size = be32_to_cpu(h.extra_data_size);
id_str_size = be16_to_cpu(h.id_str_size);
name_size = be16_to_cpu(h.name_size);
offset += extra_data_size;
sn->id_str = qemu_malloc(id_str_size + 1);
if (bdrv_pread(s->hd, offset, sn->id_str, id_str_size) != id_str_size)
goto fail;
offset += id_str_size;
sn->id_str[id_str_size] = '\0';
sn->name = qemu_malloc(name_size + 1);
if (bdrv_pread(s->hd, offset, sn->name, name_size) != name_size)
goto fail;
offset += name_size;
sn->name[name_size] = '\0';
}
s->snapshots_size = offset - s->snapshots_offset;
return 0;
fail:
qcow2_free_snapshots(bs);
return -1;
}
/*
* allocate the set of arrays for certs, cert_len, key
*/
static PRBool
vcard_emul_alloc_arrays(unsigned char ***certsp, int **cert_lenp,
VCardKey ***keysp, int cert_count)
{
*certsp = NULL;
*cert_lenp = NULL;
*keysp = NULL;
*certsp = (unsigned char **)qemu_malloc(sizeof(unsigned char *)*cert_count);
*cert_lenp = (int *)qemu_malloc(sizeof(int)*cert_count);
*keysp = (VCardKey **)qemu_malloc(sizeof(VCardKey *)*cert_count);
return PR_TRUE;
}
void *qemu_realloc(void *ptr, size_t size)
{
size_t old_size, copy;
void *new_ptr;
if (!ptr)
return qemu_malloc(size);
old_size = *(size_t *)((char *)ptr - 16);
copy = old_size < size ? old_size : size;
new_ptr = qemu_malloc(size);
memcpy(new_ptr, ptr, copy);
qemu_free(ptr);
return new_ptr;
}
static int cloop_open(BlockDriverState *bs, const char *filename, int flags)
{
BDRVCloopState *s = bs->opaque;
uint32_t offsets_size,max_compressed_block_size=1,i;
s->fd = open(filename, O_RDONLY | O_BINARY);
if (s->fd < 0)
return -errno;
bs->read_only = 1;
/* read header */
if(lseek(s->fd,128,SEEK_SET)<0) {
cloop_close:
close(s->fd);
return -1;
}
if(qemu_read_ok(s->fd,&s->block_size,4)<0)
goto cloop_close;
s->block_size=be32_to_cpu(s->block_size);
if(qemu_read_ok(s->fd,&s->n_blocks,4)<0)
goto cloop_close;
s->n_blocks=be32_to_cpu(s->n_blocks);
/* read offsets */
offsets_size=s->n_blocks*sizeof(uint64_t);
if(!(s->offsets=(uint64_t*)malloc(offsets_size)))
goto cloop_close;
if(read(s->fd,s->offsets,offsets_size)<offsets_size)
goto cloop_close;
for(i=0; i<s->n_blocks; i++) {
s->offsets[i]=be64_to_cpu(s->offsets[i]);
if(i>0) {
uint32_t size=s->offsets[i]-s->offsets[i-1];
if(size>max_compressed_block_size)
max_compressed_block_size=size;
}
}
/* initialize zlib engine */
s->compressed_block = qemu_malloc(max_compressed_block_size+1);
s->uncompressed_block = qemu_malloc(s->block_size);
if(inflateInit(&s->zstream) != Z_OK)
goto cloop_close;
s->current_block=s->n_blocks;
s->sectors_per_block = s->block_size/512;
bs->total_sectors = s->n_blocks*s->sectors_per_block;
return 0;
}
static int cloop_open(BlockDriverState *bs, int flags)
{
BDRVCloopState *s = bs->opaque;
uint32_t offsets_size,max_compressed_block_size=1,i;
bs->read_only = 1;
if (bdrv_pread(bs->file, 128, &s->block_size, 4) < 4) {
goto cloop_close;
}
s->block_size = be32_to_cpu(s->block_size);
if (bdrv_pread(bs->file, 128 + 4, &s->n_blocks, 4) < 4) {
goto cloop_close;
}
s->n_blocks = be32_to_cpu(s->n_blocks);
offsets_size = s->n_blocks * sizeof(uint64_t);
s->offsets = qemu_malloc(offsets_size);
if (bdrv_pread(bs->file, 128 + 4 + 4, s->offsets, offsets_size) <
offsets_size) {
goto cloop_close;
}
for(i=0;i<s->n_blocks;i++) {
s->offsets[i]=be64_to_cpu(s->offsets[i]);
if(i>0) {
uint32_t size=s->offsets[i]-s->offsets[i-1];
if(size>max_compressed_block_size)
max_compressed_block_size=size;
}
}
s->compressed_block = qemu_malloc(max_compressed_block_size+1);
s->uncompressed_block = qemu_malloc(s->block_size);
if(inflateInit(&s->zstream) != Z_OK)
goto cloop_close;
s->current_block=s->n_blocks;
s->sectors_per_block = s->block_size/512;
bs->total_sectors = s->n_blocks*s->sectors_per_block;
return 0;
cloop_close:
return -1;
}
void preLinuxRead(CPUX86State *env, void* user_data)
{
uint32_t FileDescriptor, ReadBuffer, ReadSize;
target_ulong ret_addr;
PLinuxReadWriteData pReadData;
// get file handle, buffer & buffer size from stack
qebek_read_ulong(env, env->regs[R_ESP] + 4, &FileDescriptor); //WASIF:Q what does this do?
qebek_read_ulong(env, env->regs[R_ESP] + 8, &ReadBuffer);
qebek_read_ulong(env, env->regs[R_ESP] + 12, &ReadSize);
//fprintf(stderr, "preLinuxRead: FileDescriptor %08x, Buffer %08x, Size %08x\n", FileDescriptor, ReadBuffer, ReadSize);
if(FileDescriptor == 0x00){
pReadData = (PLinuxReadWriteData)qemu_malloc(sizeof(LinuxReadWriteData));
if(pReadData != NULL)
{
pReadData->FileDescriptor = FileDescriptor;
pReadData->BufferAddr = ReadBuffer;
pReadData->BufferSize = ReadSize;
}
// set return address, so the VM will break when returned
qebek_read_ulong(env, env->regs[R_ESP], &ret_addr);
if(!qebek_bp_add(ret_addr, env->cr[3], env->regs[R_EBP], postLinuxRead, pReadData))
{
fprintf(stderr, "preNtReadFile: failed to add postcall interception.\n");
}
}
}
static int parallels_open(BlockDriverState *bs, int flags)
{
BDRVParallelsState *s = bs->opaque;
int i;
struct parallels_header ph;
bs->read_only = 1;
if (bdrv_pread(bs->file, 0, &ph, sizeof(ph)) != sizeof(ph))
goto fail;
if (memcmp(ph.magic, HEADER_MAGIC, 16) ||
(le32_to_cpu(ph.version) != HEADER_VERSION)) {
goto fail;
}
bs->total_sectors = le32_to_cpu(ph.nb_sectors);
s->tracks = le32_to_cpu(ph.tracks);
s->catalog_size = le32_to_cpu(ph.catalog_entries);
s->catalog_bitmap = qemu_malloc(s->catalog_size * 4);
if (bdrv_pread(bs->file, 64, s->catalog_bitmap, s->catalog_size * 4) !=
s->catalog_size * 4)
goto fail;
for (i = 0; i < s->catalog_size; i++)
le32_to_cpus(&s->catalog_bitmap[i]);
return 0;
fail:
if (s->catalog_bitmap)
qemu_free(s->catalog_bitmap);
return -1;
}
/* XXX this needs to be emulated on non-FreeBSD hosts... */
static abi_long do_freebsd_sysctl(abi_ulong namep, int32_t namelen, abi_ulong oldp,
abi_ulong oldlenp, abi_ulong newp, abi_ulong newlen)
{
abi_long ret;
void *hnamep, *holdp, *hnewp = NULL;
size_t holdlen;
abi_ulong oldlen = 0;
int32_t *snamep = qemu_malloc(sizeof(int32_t) * namelen), *p, *q, i;
uint32_t kind = 0;
if (oldlenp)
get_user_ual(oldlen, oldlenp);
if (!(hnamep = lock_user(VERIFY_READ, namep, namelen, 1)))
return -TARGET_EFAULT;
if (newp && !(hnewp = lock_user(VERIFY_READ, newp, newlen, 1)))
return -TARGET_EFAULT;
if (!(holdp = lock_user(VERIFY_WRITE, oldp, oldlen, 0)))
return -TARGET_EFAULT;
holdlen = oldlen;
for (p = hnamep, q = snamep, i = 0; i < namelen; p++, i++)
*q++ = tswap32(*p);
oidfmt(snamep, namelen, NULL, &kind);
/* XXX swap hnewp */
ret = get_errno(sysctl(snamep, namelen, holdp, &holdlen, hnewp, newlen));
if (!ret)
sysctl_oldcvt(holdp, holdlen, kind);
put_user_ual(holdlen, oldlenp);
unlock_user(hnamep, namep, 0);
unlock_user(holdp, oldp, holdlen);
if (hnewp)
unlock_user(hnewp, newp, 0);
qemu_free(snamep);
return ret;
}
PSOCKET_ENTRY
InsertSocketHandle(
IN ULONG ProcessId,
IN HANDLE SocketHandle
)
{
PSOCKET_ENTRY Entry;
if (!s_SocketListInitialized)
return NULL;
Entry = (PSOCKET_ENTRY)qemu_malloc(sizeof(SOCKET_ENTRY));
if(Entry)
{
//fprintf(stderr, "InsertSocketHandle(PID:%d; SocketHandle:%x)\n", ProcessId, SocketHandle);
memset(Entry, 0, sizeof(SOCKET_ENTRY));
Entry->SocketHandle = SocketHandle;
Entry->ProcessId = ProcessId;
Entry->protocol = IPPROTO_IP;
InsertHeadList(&s_SocketList, &Entry->ListEntry);
}
return Entry;
}
/* compatibility wrapper */
int unix_listen(const char *str, char *ostr, int olen)
{
QemuOpts *opts;
char *path, *optstr;
int sock, len;
opts = qemu_opts_create(&dummy_opts, NULL, 0);
optstr = strchr(str, ',');
if (optstr) {
len = optstr - str;
if (len) {
path = qemu_malloc(len+1);
snprintf(path, len+1, "%.*s", len, str);
qemu_opt_set(opts, "path", path);
qemu_free(path);
}
} else {
qemu_opt_set(opts, "path", str);
}
sock = unix_listen_opts(opts);
if (sock != -1 && ostr)
snprintf(ostr, olen, "%s%s", qemu_opt_get(opts, "path"), optstr ? optstr : "");
qemu_opts_del(opts);
return sock;
}
static int vnc_set_x509_credential(VncDisplay *vd,
const char *certdir,
const char *filename,
char **cred,
int ignoreMissing)
{
struct stat sb;
if (*cred) {
qemu_free(*cred);
*cred = NULL;
}
*cred = qemu_malloc(strlen(certdir) + strlen(filename) + 2);
strcpy(*cred, certdir);
strcat(*cred, "/");
strcat(*cred, filename);
VNC_DEBUG("Check %s\n", *cred);
if (stat(*cred, &sb) < 0) {
qemu_free(*cred);
*cred = NULL;
if (ignoreMissing && errno == ENOENT)
return 0;
return -1;
}
return 0;
}
void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint)
{
qiov->iov = qemu_malloc(alloc_hint * sizeof(struct iovec));
qiov->niov = 0;
qiov->nalloc = alloc_hint;
qiov->size = 0;
}
int kvmppc_read_host_property(const char *node_path, const char *prop,
void *val, size_t len)
{
char *path;
FILE *f;
int ret = 0;
int pathlen;
pathlen = snprintf(NULL, 0, "%s/%s/%s", PROC_DEVTREE_PATH, node_path, prop)
+ 1;
path = qemu_malloc(pathlen);
snprintf(path, pathlen, "%s/%s/%s", PROC_DEVTREE_PATH, node_path, prop);
f = fopen(path, "rb");
if (f == NULL) {
ret = errno;
goto free;
}
len = fread(val, len, 1, f);
if (len != 1) {
ret = ferror(f);
goto close;
}
close:
fclose(f);
free:
free(path);
out:
return ret;
}
void qemu_sglist_init(QEMUSGList *qsg, int alloc_hint)
{
qsg->sg = qemu_malloc(alloc_hint * sizeof(ScatterGatherEntry));
qsg->nsg = 0;
qsg->nalloc = alloc_hint;
qsg->size = 0;
}
VOID
InsertCsrssPortHandle(
IN ULONG ProcessId,
IN HANDLE PortHandle,
IN ULONG VirtualOffset
)
{
PCSRSS_PORT_HANDLE_ENTRY Entry;
if (!s_PortDataInitialized)
return;
Entry = (PCSRSS_PORT_HANDLE_ENTRY)qemu_malloc(sizeof(CSRSS_PORT_HANDLE_ENTRY));
if (!Entry)
return;
//fprintf(stderr, "InsertCsrssPortHandle(PID:%xh; PortHandle:%xh; Offset:0x%08x)\n", ProcessId, PortHandle, VirtualOffset);
Entry->PortHandle = PortHandle;
Entry->ProcessId = ProcessId;
Entry->VirtualOffset = VirtualOffset;
InsertHeadList(&s_PortHandleList, &Entry->ListEntry);
}
static void spapr_finalize_fdt(sPAPREnvironment *spapr,
target_phys_addr_t fdt_addr,
target_phys_addr_t rtas_addr,
target_phys_addr_t rtas_size)
{
int ret;
void *fdt;
fdt = qemu_malloc(FDT_MAX_SIZE);
/* open out the base tree into a temp buffer for the final tweaks */
_FDT((fdt_open_into(spapr->fdt_skel, fdt, FDT_MAX_SIZE)));
ret = spapr_populate_vdevice(spapr->vio_bus, fdt);
if (ret < 0) {
fprintf(stderr, "couldn't setup vio devices in fdt\n");
exit(1);
}
/* RTAS */
ret = spapr_rtas_device_tree_setup(fdt, rtas_addr, rtas_size);
if (ret < 0) {
fprintf(stderr, "Couldn't set up RTAS device tree properties\n");
}
_FDT((fdt_pack(fdt)));
cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt));
qemu_free(fdt);
}
struct vhost_net *vhost_net_init(VLANClientState *backend, int devfd)
{
int r;
struct vhost_net *net = qemu_malloc(sizeof *net);
if (!backend) {
fprintf(stderr, "vhost-net requires backend to be setup\n");
goto fail;
}
r = vhost_net_get_fd(backend);
if (r < 0) {
goto fail;
}
net->vc = backend;
net->dev.backend_features = tap_has_vnet_hdr(backend) ? 0 :
(1 << VHOST_NET_F_VIRTIO_NET_HDR);
net->backend = r;
r = vhost_dev_init(&net->dev, devfd);
if (r < 0) {
goto fail;
}
if (~net->dev.features & net->dev.backend_features) {
fprintf(stderr, "vhost lacks feature mask %" PRIu64 " for backend\n",
(uint64_t)(~net->dev.features & net->dev.backend_features));
vhost_dev_cleanup(&net->dev);
goto fail;
}
/* Set sane init value. Override when guest acks. */
vhost_net_ack_features(net, 0);
return net;
fail:
qemu_free(net);
return NULL;
}
int fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value)
{
uint64_t *copy;
copy = qemu_malloc(sizeof(value));
*copy = cpu_to_le64(value);
return fw_cfg_add_bytes(s, key, (uint8_t *)copy, sizeof(value));
}
/**
* qstring_from_str(): Create a new QString from a regular C string
*
* Return strong reference.
*/
QString *qstring_from_str(const char *str)
{
QString *qstring;
qstring = qemu_malloc(sizeof(*qstring));
qstring->length = strlen(str);
qstring->capacity = qstring->length;
qstring->string = qemu_malloc(qstring->capacity + 1);
memcpy(qstring->string, str, qstring->length);
qstring->string[qstring->length] = 0;
QOBJECT_INIT(qstring, &qstring_type);
return qstring;
}
static VirtIOBlockReq *virtio_blk_alloc_request(VirtIOBlock *s)
{
VirtIOBlockReq *req = qemu_malloc(sizeof(*req));
req->dev = s;
req->qiov.size = 0;
req->next = NULL;
return req;
}
char *qemu_strdup(const char *str)
{
char *ptr;
ptr = qemu_malloc(strlen(str) + 1);
if (!ptr)
return NULL;
strcpy(ptr, str);
return ptr;
}
void *qemu_mallocz(size_t size)
{
void *ptr;
ptr = qemu_malloc(size);
if (!ptr)
return NULL;
memset(ptr, 0, size);
return ptr;
}
static void *bamboo_load_device_tree(target_phys_addr_t addr,
uint32_t ramsize,
target_phys_addr_t initrd_base,
target_phys_addr_t initrd_size,
const char *kernel_cmdline)
{
void *fdt = NULL;
#ifdef HAVE_FDT
uint32_t mem_reg_property[] = { 0, 0, ramsize };
char *path;
int fdt_size;
int pathlen;
int ret;
pathlen = snprintf(NULL, 0, "%s/%s", bios_dir, BINARY_DEVICE_TREE_FILE) + 1;
path = qemu_malloc(pathlen);
snprintf(path, pathlen, "%s/%s", bios_dir, BINARY_DEVICE_TREE_FILE);
fdt = load_device_tree(path, &fdt_size);
free(path);
if (fdt == NULL)
goto out;
/* Manipulate device tree in memory. */
ret = qemu_devtree_setprop(fdt, "/memory", "reg", mem_reg_property,
sizeof(mem_reg_property));
if (ret < 0)
fprintf(stderr, "couldn't set /memory/reg\n");
ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-start",
initrd_base);
if (ret < 0)
fprintf(stderr, "couldn't set /chosen/linux,initrd-start\n");
ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-end",
(initrd_base + initrd_size));
if (ret < 0)
fprintf(stderr, "couldn't set /chosen/linux,initrd-end\n");
ret = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs",
kernel_cmdline);
if (ret < 0)
fprintf(stderr, "couldn't set /chosen/bootargs\n");
if (kvm_enabled())
kvmppc_fdt_update(fdt);
cpu_physical_memory_write (addr, (void *)fdt, fdt_size);
out:
#endif
return fdt;
}
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
{
QEMUBH *bh;
bh = qemu_malloc(sizeof(*bh));
bh->cb = cb;
bh->opaque = opaque;
return bh;
}
/*
* Silly little functions to help parsing our argument string
*/
static char *
copy_string(const char *str, int str_len)
{
char *new_str;
new_str = qemu_malloc(str_len+1);
memcpy(new_str, str, str_len);
new_str[str_len] = 0;
return new_str;
}
static void *zalloc(void *x, unsigned items, unsigned size)
{
void *p;
size *= items;
size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
p = qemu_malloc(size);
return (p);
}
int setenv(const char *name, const char *value, int overwrite)
{
int result = 0;
if (overwrite || !getenv(name)) {
size_t length = strlen(name) + strlen(value) + 2;
char *string = qemu_malloc(length);
snprintf(string, length, "%s=%s", name, value);
result = putenv(string);
}
return result;
}
int kvm_set_msrs(CPUState *env, struct kvm_msr_entry *msrs, int n)
{
struct kvm_msrs *kmsrs = qemu_malloc(sizeof *kmsrs + n * sizeof *msrs);
int r;
kmsrs->nmsrs = n;
memcpy(kmsrs->entries, msrs, n * sizeof *msrs);
r = kvm_vcpu_ioctl(env, KVM_SET_MSRS, kmsrs);
free(kmsrs);
return r;
}