qemu-img.o: qemu-img-cmds.h
qemu-img.o qemu-tool.o qemu-nbd.o qemu-io.o: $(GENERATED_HEADERS)
-qemu-img$(EXESUF): qemu-img.o qemu-tool.o qemu-error.o $(trace-obj-y) $(block-obj-y) $(qobject-obj-y) $(version-obj-y)
+qemu-img$(EXESUF): qemu-img.o qemu-tool.o qemu-error.o $(trace-obj-y) $(block-obj-y) $(qobject-obj-y) $(version-obj-y) qemu-timer-common.o
-qemu-nbd$(EXESUF): qemu-nbd.o qemu-tool.o qemu-error.o $(trace-obj-y) $(block-obj-y) $(qobject-obj-y) $(version-obj-y)
+qemu-nbd$(EXESUF): qemu-nbd.o qemu-tool.o qemu-error.o $(trace-obj-y) $(block-obj-y) $(qobject-obj-y) $(version-obj-y) qemu-timer-common.o
-qemu-io$(EXESUF): qemu-io.o cmd.o qemu-tool.o qemu-error.o $(trace-obj-y) $(block-obj-y) $(qobject-obj-y) $(version-obj-y)
+qemu-io$(EXESUF): qemu-io.o cmd.o qemu-tool.o qemu-error.o $(trace-obj-y) $(block-obj-y) $(qobject-obj-y) $(version-obj-y) qemu-timer-common.o
qemu-img-cmds.h: $(SRC_PATH)/qemu-img-cmds.hx
$(call quiet-command,sh $(SRC_PATH)/hxtool -h < $< > $@," GEN $@")
common-obj-$(CONFIG_THREAD) += qemu-thread.o
common-obj-$(CONFIG_IOTHREAD) += compatfd.o
common-obj-y += notify.o event_notifier.o
-common-obj-y += qemu-timer.o
+common-obj-y += qemu-timer.o qemu-timer-common.o
slirp-obj-y = cksum.o if.o ip_icmp.o ip_input.o ip_output.o
slirp-obj-y += slirp.o mbuf.o misc.o sbuf.o socket.o tcp_input.o tcp_output.o
trace-obj-y = trace.o
ifeq ($(TRACE_BACKEND),simple)
trace-obj-y += simpletrace.o
+user-obj-y += qemu-timer-common.o
endif
vl.o: QEMU_CFLAGS+=$(GPROF_CFLAGS)
return -ENOTSUP;
}
+int bdrv_snapshot_load_tmp(BlockDriverState *bs,
+ const char *snapshot_name)
+{
+ BlockDriver *drv = bs->drv;
+ if (!drv) {
+ return -ENOMEDIUM;
+ }
+ if (!bs->read_only) {
+ return -EINVAL;
+ }
+ if (drv->bdrv_snapshot_load_tmp) {
+ return drv->bdrv_snapshot_load_tmp(bs, snapshot_name);
+ }
+ return -ENOTSUP;
+}
+
#define NB_SUFFIXES 4
char *get_human_readable_size(char *buf, int buf_size, int64_t size)
int bdrv_snapshot_delete(BlockDriverState *bs, const char *snapshot_id);
int bdrv_snapshot_list(BlockDriverState *bs,
QEMUSnapshotInfo **psn_info);
+int bdrv_snapshot_load_tmp(BlockDriverState *bs,
+ const char *snapshot_name);
char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn);
char *get_human_readable_size(char *buf, int buf_size, int64_t size);
.cancel = blkverify_aio_cancel,
};
-static void blkverify_err(BlkverifyAIOCB *acb, const char *fmt, ...)
+static void GCC_FMT_ATTR(2, 3) blkverify_err(BlkverifyAIOCB *acb,
+ const char *fmt, ...)
{
va_list ap;
{
ssize_t offset = blkverify_iovec_compare(acb->qiov, &acb->raw_qiov);
if (offset != -1) {
- blkverify_err(acb, "contents mismatch in sector %ld",
+ blkverify_err(acb, "contents mismatch in sector %lld",
acb->sector_num + (offset / BDRV_SECTOR_SIZE));
}
}
#include "block_int.h"
#include "block/qcow2.h"
-int qcow2_grow_l1_table(BlockDriverState *bs, int min_size)
+int qcow2_grow_l1_table(BlockDriverState *bs, int min_size, bool exact_size)
{
BDRVQcowState *s = bs->opaque;
int new_l1_size, new_l1_size2, ret, i;
int64_t new_l1_table_offset;
uint8_t data[12];
- new_l1_size = s->l1_size;
- if (min_size <= new_l1_size)
+ if (min_size <= s->l1_size)
return 0;
- if (new_l1_size == 0) {
- new_l1_size = 1;
- }
- while (min_size > new_l1_size) {
- new_l1_size = (new_l1_size * 3 + 1) / 2;
+
+ if (exact_size) {
+ new_l1_size = min_size;
+ } else {
+ /* Bump size up to reduce the number of times we have to grow */
+ new_l1_size = s->l1_size;
+ if (new_l1_size == 0) {
+ new_l1_size = 1;
+ }
+ while (min_size > new_l1_size) {
+ new_l1_size = (new_l1_size * 3 + 1) / 2;
+ }
}
+
#ifdef DEBUG_ALLOC2
printf("grow l1_table from %d to %d\n", s->l1_size, new_l1_size);
#endif
l1_index = offset >> (s->l2_bits + s->cluster_bits);
if (l1_index >= s->l1_size) {
- ret = qcow2_grow_l1_table(bs, l1_index + 1);
+ ret = qcow2_grow_l1_table(bs, l1_index + 1, false);
if (ret < 0) {
return ret;
}
if (qcow2_update_snapshot_refcount(bs, s->l1_table_offset, s->l1_size, -1) < 0)
goto fail;
- if (qcow2_grow_l1_table(bs, sn->l1_size) < 0)
+ if (qcow2_grow_l1_table(bs, sn->l1_size, true) < 0)
goto fail;
s->l1_size = sn->l1_size;
return s->nb_snapshots;
}
+int qcow2_snapshot_load_tmp(BlockDriverState *bs, const char *snapshot_name)
+{
+ int i, snapshot_index, l1_size2;
+ BDRVQcowState *s = bs->opaque;
+ QCowSnapshot *sn;
+
+ snapshot_index = find_snapshot_by_id_or_name(bs, snapshot_name);
+ if (snapshot_index < 0) {
+ return -ENOENT;
+ }
+
+ sn = &s->snapshots[snapshot_index];
+ s->l1_size = sn->l1_size;
+ l1_size2 = s->l1_size * sizeof(uint64_t);
+ if (s->l1_table != NULL) {
+ qemu_free(s->l1_table);
+ }
+
+ s->l1_table_offset = sn->l1_table_offset;
+ s->l1_table = qemu_mallocz(align_offset(l1_size2, 512));
+
+ if (bdrv_pread(bs->file, sn->l1_table_offset,
+ s->l1_table, l1_size2) != l1_size2) {
+ return -1;
+ }
+
+ for(i = 0;i < s->l1_size; i++) {
+ be64_to_cpus(&s->l1_table[i]);
+ }
+ return 0;
+}
#include <zlib.h>
#include "aes.h"
#include "block/qcow2.h"
+#include "qemu-error.h"
/*
Differences with QCOW:
return qcow2_update_ext_header(bs, backing_file, backing_fmt);
}
-static int get_bits_from_size(size_t size)
-{
- int res = 0;
-
- if (size == 0) {
- return -1;
- }
-
- while (size != 1) {
- /* Not a power of two */
- if (size & 1) {
- return -1;
- }
-
- size >>= 1;
- res++;
- }
-
- return res;
-}
-
-
static int preallocate(BlockDriverState *bs)
{
uint64_t nb_sectors;
static int qcow_create2(const char *filename, int64_t total_size,
const char *backing_file, const char *backing_format,
- int flags, size_t cluster_size, int prealloc)
+ int flags, size_t cluster_size, int prealloc,
+ QEMUOptionParameter *options)
{
+ /* Calulate cluster_bits */
+ int cluster_bits;
+ cluster_bits = ffs(cluster_size) - 1;
+ if (cluster_bits < MIN_CLUSTER_BITS || cluster_bits > MAX_CLUSTER_BITS ||
+ (1 << cluster_bits) != cluster_size)
+ {
+ error_report(
+ "Cluster size must be a power of two between %d and %dk\n",
+ 1 << MIN_CLUSTER_BITS, 1 << (MAX_CLUSTER_BITS - 10));
+ return -EINVAL;
+ }
- int fd, header_size, backing_filename_len, l1_size, i, shift, l2_bits;
- int ref_clusters, reftable_clusters, backing_format_len = 0;
- int rounded_ext_bf_len = 0;
+ /*
+ * Open the image file and write a minimal qcow2 header.
+ *
+ * We keep things simple and start with a zero-sized image. We also
+ * do without refcount blocks or a L1 table for now. We'll fix the
+ * inconsistency later.
+ *
+ * We do need a refcount table because growing the refcount table means
+ * allocating two new refcount blocks - the seconds of which would be at
+ * 2 GB for 64k clusters, and we don't want to have a 2 GB initial file
+ * size for any qcow2 image.
+ */
+ BlockDriverState* bs;
QCowHeader header;
- uint64_t tmp, offset;
- uint64_t old_ref_clusters;
- QCowCreateState s1, *s = &s1;
- QCowExtension ext_bf = {0, 0};
+ uint8_t* refcount_table;
int ret;
- memset(s, 0, sizeof(*s));
+ ret = bdrv_create_file(filename, options);
+ if (ret < 0) {
+ return ret;
+ }
- fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644);
- if (fd < 0)
- return -errno;
+ ret = bdrv_file_open(&bs, filename, BDRV_O_RDWR);
+ if (ret < 0) {
+ return ret;
+ }
+
+ /* Write the header */
memset(&header, 0, sizeof(header));
header.magic = cpu_to_be32(QCOW_MAGIC);
header.version = cpu_to_be32(QCOW_VERSION);
- header.size = cpu_to_be64(total_size * 512);
- header_size = sizeof(header);
- backing_filename_len = 0;
- if (backing_file) {
- if (backing_format) {
- ext_bf.magic = QCOW_EXT_MAGIC_BACKING_FORMAT;
- backing_format_len = strlen(backing_format);
- ext_bf.len = backing_format_len;
- rounded_ext_bf_len = (sizeof(ext_bf) + ext_bf.len + 7) & ~7;
- header_size += rounded_ext_bf_len;
- }
- header.backing_file_offset = cpu_to_be64(header_size);
- backing_filename_len = strlen(backing_file);
- header.backing_file_size = cpu_to_be32(backing_filename_len);
- header_size += backing_filename_len;
- }
-
- /* Cluster size */
- s->cluster_bits = get_bits_from_size(cluster_size);
- if (s->cluster_bits < MIN_CLUSTER_BITS ||
- s->cluster_bits > MAX_CLUSTER_BITS)
- {
- fprintf(stderr, "Cluster size must be a power of two between "
- "%d and %dk\n",
- 1 << MIN_CLUSTER_BITS,
- 1 << (MAX_CLUSTER_BITS - 10));
- return -EINVAL;
- }
- s->cluster_size = 1 << s->cluster_bits;
+ header.cluster_bits = cpu_to_be32(cluster_bits);
+ header.size = cpu_to_be64(0);
+ header.l1_table_offset = cpu_to_be64(0);
+ header.l1_size = cpu_to_be32(0);
+ header.refcount_table_offset = cpu_to_be64(cluster_size);
+ header.refcount_table_clusters = cpu_to_be32(1);
- header.cluster_bits = cpu_to_be32(s->cluster_bits);
- header_size = (header_size + 7) & ~7;
if (flags & BLOCK_FLAG_ENCRYPT) {
header.crypt_method = cpu_to_be32(QCOW_CRYPT_AES);
} else {
header.crypt_method = cpu_to_be32(QCOW_CRYPT_NONE);
}
- l2_bits = s->cluster_bits - 3;
- shift = s->cluster_bits + l2_bits;
- l1_size = (((total_size * 512) + (1LL << shift) - 1) >> shift);
- offset = align_offset(header_size, s->cluster_size);
- s->l1_table_offset = offset;
- header.l1_table_offset = cpu_to_be64(s->l1_table_offset);
- header.l1_size = cpu_to_be32(l1_size);
- offset += align_offset(l1_size * sizeof(uint64_t), s->cluster_size);
-
- /* count how many refcount blocks needed */
-
-#define NUM_CLUSTERS(bytes) \
- (((bytes) + (s->cluster_size) - 1) / (s->cluster_size))
- ref_clusters = NUM_CLUSTERS(NUM_CLUSTERS(offset) * sizeof(uint16_t));
-
- do {
- uint64_t image_clusters;
- old_ref_clusters = ref_clusters;
-
- /* Number of clusters used for the refcount table */
- reftable_clusters = NUM_CLUSTERS(ref_clusters * sizeof(uint64_t));
+ ret = bdrv_pwrite(bs, 0, &header, sizeof(header));
+ if (ret < 0) {
+ goto out;
+ }
- /* Number of clusters that the whole image will have */
- image_clusters = NUM_CLUSTERS(offset) + ref_clusters
- + reftable_clusters;
+ /* Write an empty refcount table */
+ refcount_table = qemu_mallocz(cluster_size);
+ ret = bdrv_pwrite(bs, cluster_size, refcount_table, cluster_size);
+ qemu_free(refcount_table);
- /* Number of refcount blocks needed for the image */
- ref_clusters = NUM_CLUSTERS(image_clusters * sizeof(uint16_t));
+ if (ret < 0) {
+ goto out;
+ }
- } while (ref_clusters != old_ref_clusters);
+ bdrv_close(bs);
- s->refcount_table = qemu_mallocz(reftable_clusters * s->cluster_size);
+ /*
+ * And now open the image and make it consistent first (i.e. increase the
+ * refcount of the cluster that is occupied by the header and the refcount
+ * table)
+ */
+ BlockDriver* drv = bdrv_find_format("qcow2");
+ assert(drv != NULL);
+ ret = bdrv_open(bs, filename, BDRV_O_RDWR | BDRV_O_NO_FLUSH, drv);
+ if (ret < 0) {
+ goto out;
+ }
- s->refcount_table_offset = offset;
- header.refcount_table_offset = cpu_to_be64(offset);
- header.refcount_table_clusters = cpu_to_be32(reftable_clusters);
- offset += (reftable_clusters * s->cluster_size);
- s->refcount_block_offset = offset;
+ ret = qcow2_alloc_clusters(bs, 2 * cluster_size);
+ if (ret < 0) {
+ goto out;
- for (i=0; i < ref_clusters; i++) {
- s->refcount_table[i] = cpu_to_be64(offset);
- offset += s->cluster_size;
+ } else if (ret != 0) {
+ error_report("Huh, first cluster in empty image is already in use?");
+ abort();
}
- s->refcount_block = qemu_mallocz(ref_clusters * s->cluster_size);
-
- /* update refcounts */
- qcow2_create_refcount_update(s, 0, header_size);
- qcow2_create_refcount_update(s, s->l1_table_offset,
- l1_size * sizeof(uint64_t));
- qcow2_create_refcount_update(s, s->refcount_table_offset,
- reftable_clusters * s->cluster_size);
- qcow2_create_refcount_update(s, s->refcount_block_offset,
- ref_clusters * s->cluster_size);
-
- /* write all the data */
- ret = qemu_write_full(fd, &header, sizeof(header));
- if (ret != sizeof(header)) {
- ret = -errno;
- goto exit;
+ /* Okay, now that we have a valid image, let's give it the right size */
+ ret = bdrv_truncate(bs, total_size * BDRV_SECTOR_SIZE);
+ if (ret < 0) {
+ goto out;
}
+
+ /* Want a backing file? There you go.*/
if (backing_file) {
- if (backing_format_len) {
- char zero[16];
- int padding = rounded_ext_bf_len - (ext_bf.len + sizeof(ext_bf));
-
- memset(zero, 0, sizeof(zero));
- cpu_to_be32s(&ext_bf.magic);
- cpu_to_be32s(&ext_bf.len);
- ret = qemu_write_full(fd, &ext_bf, sizeof(ext_bf));
- if (ret != sizeof(ext_bf)) {
- ret = -errno;
- goto exit;
- }
- ret = qemu_write_full(fd, backing_format, backing_format_len);
- if (ret != backing_format_len) {
- ret = -errno;
- goto exit;
- }
- if (padding > 0) {
- ret = qemu_write_full(fd, zero, padding);
- if (ret != padding) {
- ret = -errno;
- goto exit;
- }
- }
- }
- ret = qemu_write_full(fd, backing_file, backing_filename_len);
- if (ret != backing_filename_len) {
- ret = -errno;
- goto exit;
- }
- }
- lseek(fd, s->l1_table_offset, SEEK_SET);
- tmp = 0;
- for(i = 0;i < l1_size; i++) {
- ret = qemu_write_full(fd, &tmp, sizeof(tmp));
- if (ret != sizeof(tmp)) {
- ret = -errno;
- goto exit;
+ ret = bdrv_change_backing_file(bs, backing_file, backing_format);
+ if (ret < 0) {
+ goto out;
}
}
- lseek(fd, s->refcount_table_offset, SEEK_SET);
- ret = qemu_write_full(fd, s->refcount_table,
- reftable_clusters * s->cluster_size);
- if (ret != reftable_clusters * s->cluster_size) {
- ret = -errno;
- goto exit;
- }
-
- lseek(fd, s->refcount_block_offset, SEEK_SET);
- ret = qemu_write_full(fd, s->refcount_block,
- ref_clusters * s->cluster_size);
- if (ret != ref_clusters * s->cluster_size) {
- ret = -errno;
- goto exit;
- }
- ret = 0;
-exit:
- qemu_free(s->refcount_table);
- qemu_free(s->refcount_block);
- close(fd);
-
- /* Preallocate metadata */
- if (ret == 0 && prealloc) {
- BlockDriverState *bs;
- BlockDriver *drv = bdrv_find_format("qcow2");
- bs = bdrv_new("");
- bdrv_open(bs, filename, BDRV_O_CACHE_WB | BDRV_O_RDWR, drv);
+ /* And if we're supposed to preallocate metadata, do that now */
+ if (prealloc) {
ret = preallocate(bs);
- bdrv_close(bs);
+ if (ret < 0) {
+ goto out;
+ }
}
+ ret = 0;
+out:
+ bdrv_delete(bs);
return ret;
}
}
return qcow_create2(filename, sectors, backing_file, backing_fmt, flags,
- cluster_size, prealloc);
+ cluster_size, prealloc, options);
}
static int qcow_make_empty(BlockDriverState *bs)
}
new_l1_size = size_to_l1(s, offset);
- ret = qcow2_grow_l1_table(bs, new_l1_size);
+ ret = qcow2_grow_l1_table(bs, new_l1_size, true);
if (ret < 0) {
return ret;
}
.bdrv_snapshot_goto = qcow2_snapshot_goto,
.bdrv_snapshot_delete = qcow2_snapshot_delete,
.bdrv_snapshot_list = qcow2_snapshot_list,
+ .bdrv_snapshot_load_tmp = qcow2_snapshot_load_tmp,
.bdrv_get_info = qcow_get_info,
.bdrv_save_vmstate = qcow_save_vmstate,
int qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res);
/* qcow2-cluster.c functions */
-int qcow2_grow_l1_table(BlockDriverState *bs, int min_size);
+int qcow2_grow_l1_table(BlockDriverState *bs, int min_size, bool exact_size);
void qcow2_l2_cache_reset(BlockDriverState *bs);
int qcow2_decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset);
void qcow2_encrypt_sectors(BDRVQcowState *s, int64_t sector_num,
int qcow2_snapshot_goto(BlockDriverState *bs, const char *snapshot_id);
int qcow2_snapshot_delete(BlockDriverState *bs, const char *snapshot_id);
int qcow2_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab);
+int qcow2_snapshot_load_tmp(BlockDriverState *bs, const char *snapshot_name);
void qcow2_free_snapshots(BlockDriverState *bs);
int qcow2_read_snapshots(BlockDriverState *bs);
#define FTYPE_CD 1
#define FTYPE_FD 2
-/* if the FD is not accessed during that time (in ms), we try to
+/* if the FD is not accessed during that time (in ns), we try to
reopen it to see if the disk has been changed */
-#define FD_OPEN_TIMEOUT 1000
+#define FD_OPEN_TIMEOUT (1000000000)
#define MAX_BLOCKSIZE 4096
return 0;
last_media_present = (s->fd >= 0);
if (s->fd >= 0 &&
- (qemu_get_clock(rt_clock) - s->fd_open_time) >= FD_OPEN_TIMEOUT) {
+ (get_clock() - s->fd_open_time) >= FD_OPEN_TIMEOUT) {
close(s->fd);
s->fd = -1;
#ifdef DEBUG_FLOPPY
}
if (s->fd < 0) {
if (s->fd_got_error &&
- (qemu_get_clock(rt_clock) - s->fd_error_time) < FD_OPEN_TIMEOUT) {
+ (get_clock() - s->fd_error_time) < FD_OPEN_TIMEOUT) {
#ifdef DEBUG_FLOPPY
printf("No floppy (open delayed)\n");
#endif
}
s->fd = open(bs->filename, s->open_flags & ~O_NONBLOCK);
if (s->fd < 0) {
- s->fd_error_time = qemu_get_clock(rt_clock);
+ s->fd_error_time = get_clock();
s->fd_got_error = 1;
if (last_media_present)
s->fd_media_changed = 1;
}
if (!last_media_present)
s->fd_media_changed = 1;
- s->fd_open_time = qemu_get_clock(rt_clock);
+ s->fd_open_time = get_clock();
s->fd_got_error = 0;
return 0;
}
int (*bdrv_snapshot_delete)(BlockDriverState *bs, const char *snapshot_id);
int (*bdrv_snapshot_list)(BlockDriverState *bs,
QEMUSnapshotInfo **psn_info);
+ int (*bdrv_snapshot_load_tmp)(BlockDriverState *bs,
+ const char *snapshot_name);
int (*bdrv_get_info)(BlockDriverState *bs, BlockDriverInfo *bdi);
int (*bdrv_save_vmstate)(BlockDriverState *bs, const uint8_t *buf,
libs_tools=""
audio_pt_int=""
audio_win_int=""
+cc_i386=i386-pc-linux-gnu-gcc
# parse CC options first
for opt do
i386)
QEMU_CFLAGS="-m32 $QEMU_CFLAGS"
LDFLAGS="-m32 $LDFLAGS"
+ cc_i386='$(CC) -m32'
helper_cflags="-fomit-frame-pointer"
host_guest_base="yes"
;;
x86_64)
QEMU_CFLAGS="-m64 $QEMU_CFLAGS"
LDFLAGS="-m64 $LDFLAGS"
+ cc_i386='$(CC) -m32'
host_guest_base="yes"
;;
arm*)
printf " '%s'" "$0" "$@" >> $config_host_mak
echo >> $config_host_mak
+echo all: >> $config_host_mak
echo "prefix=$prefix" >> $config_host_mak
echo "bindir=$bindir" >> $config_host_mak
echo "mandir=$mandir" >> $config_host_mak
echo "INSTALL_DATA=$install -m0644 -p" >> $config_host_mak
echo "INSTALL_PROG=$install -m0755 -p" >> $config_host_mak
echo "CC=$cc" >> $config_host_mak
+echo "CC_I386=$cc_i386" >> $config_host_mak
echo "HOST_CC=$host_cc" >> $config_host_mak
if test "$sparse" = "yes" ; then
echo "CC := REAL_CC=\"\$(CC)\" cgcc" >> $config_host_mak
int flags);
void QEMU_NORETURN cpu_abort(CPUState *env, const char *fmt, ...)
- __attribute__ ((__format__ (__printf__, 2, 3)));
+ GCC_FMT_ATTR(2, 3);
extern CPUState *first_cpu;
extern CPUState *cpu_single_env;
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>. */
+#include "qemu-common.h"
#include "dis-asm.h"
//#include "sysdep.h"
#include "target-cris/opcode-cris.h"
//#include "libiberty.h"
-\f
-
-void *qemu_malloc(size_t len); /* can't include qemu-common.h here */
#define CONST_STRNEQ(STR1,STR2) (strncmp ((STR1), (STR2), sizeof (STR2) - 1) == 0)
void disas(FILE *out, void *code, unsigned long size);
void target_disas(FILE *out, target_ulong code, target_ulong size, int flags);
-/* The usual mess... FIXME: Remove this condition once dyngen-exec.h is gone */
-#ifndef __DYNGEN_EXEC_H__
void monitor_disas(Monitor *mon, CPUState *env,
target_ulong pc, int nb_insn, int is_physical, int flags);
-#endif
/* Look up symbol for debugging purpose. Returns "" if unknown. */
const char *lookup_symbol(target_ulong orig_addr);
#if !defined(__DYNGEN_EXEC_H__)
#define __DYNGEN_EXEC_H__
-/* prevent Solaris from trying to typedef FILE in gcc's
- include/floatingpoint.h which will conflict with the
- definition down below */
-#ifdef __sun__
-#define _FILEDEFED
-#endif
-
-/* NOTE: standard headers should be used with special care at this
- point because host CPU registers are used as global variables. Some
- host headers do not allow that. */
-#include <stddef.h>
-#include <stdint.h>
-#include <stdbool.h>
+#include "qemu-common.h"
#ifdef __OpenBSD__
#include <sys/types.h>
/* XXX: This may be wrong for 64-bit ILP32 hosts. */
typedef void * host_reg_t;
-#ifdef CONFIG_BSD
-typedef struct __sFILE FILE;
-#else
-typedef struct FILE FILE;
-#endif
-extern int fprintf(FILE *, const char *, ...);
-extern int fputs(const char *, FILE *);
-extern int printf(const char *, ...);
-
#if defined(__i386__)
#define AREG0 "ebp"
#elif defined(__x86_64__)
static void ide_dma_restart(IDEState *s, int is_read);
static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret);
static int ide_handle_rw_error(IDEState *s, int error, int op);
+static void ide_flush_cache(IDEState *s);
static void padstr(char *str, const char *src, int len)
{
put_le16(p + 68, 120);
put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */
put_le16(p + 81, 0x16); /* conforms to ata5 */
- /* 14=NOP supported, 0=SMART supported */
- put_le16(p + 82, (1 << 14) | 1);
+ /* 14=NOP supported, 5=WCACHE supported, 0=SMART supported */
+ put_le16(p + 82, (1 << 14) | (1 << 5) | 1);
/* 13=flush_cache_ext,12=flush_cache,10=lba48 */
put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
/* 14=set to 1, 1=SMART self test, 0=SMART error logging */
} else {
ide_sector_write(bmdma_active_if(bm));
}
+ } else if (bm->status & BM_STATUS_RETRY_FLUSH) {
+ ide_flush_cache(bmdma_active_if(bm));
}
}
{
IDEState *s = opaque;
- /* XXX: how do we signal I/O errors here? */
+ if (ret < 0) {
+ /* XXX: What sector number to set here? */
+ if (ide_handle_rw_error(s, -ret, BM_STATUS_RETRY_FLUSH)) {
+ return;
+ }
+ }
s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s->bus);
}
+static void ide_flush_cache(IDEState *s)
+{
+ if (s->bs) {
+ bdrv_aio_flush(s->bs, ide_flush_cb, s);
+ } else {
+ ide_flush_cb(s, 0);
+ }
+}
+
static inline void cpu_to_ube16(uint8_t *buf, int val)
{
buf[0] = val >> 8;
break;
case WIN_FLUSH_CACHE:
case WIN_FLUSH_CACHE_EXT:
- if (s->bs)
- bdrv_aio_flush(s->bs, ide_flush_cb, s);
- else
- ide_flush_cb(s, 0);
+ ide_flush_cache(s);
break;
case WIN_STANDBY:
case WIN_STANDBY2:
#define BM_STATUS_INT 0x04
#define BM_STATUS_DMA_RETRY 0x08
#define BM_STATUS_PIO_RETRY 0x10
-#define BM_STATUS_RETRY_READ 0x20
+#define BM_STATUS_RETRY_READ 0x20
+#define BM_STATUS_RETRY_FLUSH 0x40
#define BM_CMD_START 0x01
#define BM_CMD_READ 0x08
ram_offset = qemu_ram_alloc(NULL, "fulong2e.ram", ram_size);
bios_offset = qemu_ram_alloc(NULL, "fulong2e.bios", bios_size);
- cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
+ cpu_register_physical_memory(0, ram_size, ram_offset);
cpu_register_physical_memory(0x1fc00000LL,
bios_size, bios_offset | IO_MEM_ROM);
*/
#include "hw.h"
#include "omap.h"
+#include "qemu-timer.h" /* for muldiv64() */
struct clk {
const char *name;
{
VirtIOBlockReq *req = opaque;
- virtio_blk_req_complete(req, ret ? VIRTIO_BLK_S_IOERR : VIRTIO_BLK_S_OK);
+ if (ret) {
+ if (virtio_blk_handle_rw_error(req, -ret, 0)) {
+ return;
+ }
+ }
+
+ virtio_blk_req_complete(req, VIRTIO_BLK_S_OK);
}
static VirtIOBlockReq *virtio_blk_alloc_request(VirtIOBlock *s)
typedef struct QEMUBH QEMUBH;
typedef struct DeviceState DeviceState;
-/* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that
- cannot include the following headers without conflicts. This condition has
- to be removed once dyngen is gone. */
-#ifndef __DYNGEN_EXEC_H__
-
/* we put basic includes here to avoid repeating them in device drivers */
#include <stdlib.h>
#include <stdio.h>
int qemu_bh_poll(void);
void qemu_bh_update_timeout(int *timeout);
-uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
-
void qemu_get_timedate(struct tm *tm, int offset);
int qemu_timedate_diff(struct tm *tm);
#include "module.h"
-#endif /* dyngen-exec.h hack */
-
#endif
ETEXI
DEF("convert", img_convert,
- "convert [-c] [-f fmt] [-O output_fmt] [-o options] filename [filename2 [...]] output_filename")
+ "convert [-c] [-f fmt] [-O output_fmt] [-o options] [-s snapshot_name] filename [filename2 [...]] output_filename")
STEXI
-@item convert [-c] [-f @var{fmt}] [-O @var{output_fmt}] [-o @var{options}] @var{filename} [@var{filename2} [...]] @var{output_filename}
+@item convert [-c] [-f @var{fmt}] [-O @var{output_fmt}] [-o @var{options}] [-s @var{snapshot_name}] @var{filename} [@var{filename2} [...]] @var{output_filename}
ETEXI
DEF("info", img_info,
const uint8_t *buf1;
BlockDriverInfo bdi;
QEMUOptionParameter *param = NULL, *create_options = NULL;
+ QEMUOptionParameter *out_baseimg_param;
char *options = NULL;
+ const char *snapshot_name = NULL;
fmt = NULL;
out_fmt = "raw";
out_baseimg = NULL;
flags = 0;
for(;;) {
- c = getopt(argc, argv, "f:O:B:hce6o:");
+ c = getopt(argc, argv, "f:O:B:s:hce6o:");
if (c == -1)
break;
switch(c) {
case 'o':
options = optarg;
break;
+ case 's':
+ snapshot_name = optarg;
+ break;
}
}
total_sectors += bs_sectors;
}
+ if (snapshot_name != NULL) {
+ if (bs_n > 1) {
+ error("No support for concatenating multiple snapshot\n");
+ ret = -1;
+ goto out;
+ }
+ if (bdrv_snapshot_load_tmp(bs[0], snapshot_name) < 0) {
+ error("Failed to load snapshot\n");
+ ret = -1;
+ goto out;
+ }
+ }
+
/* Find driver and parse its options */
drv = bdrv_find_format(out_fmt);
if (!drv) {
goto out;
}
+ /* Get backing file name if -o backing_file was used */
+ out_baseimg_param = get_option_parameter(param, BLOCK_OPT_BACKING_FILE);
+ if (out_baseimg_param) {
+ out_baseimg = out_baseimg_param->value.s;
+ }
+
/* Check if compression is supported */
if (flags & BLOCK_FLAG_COMPRESS) {
QEMUOptionParameter *encryption =
Commit the changes recorded in @var{filename} in its base image.
-@item convert [-c] [-f @var{fmt}] [-O @var{output_fmt}] [-o @var{options}] @var{filename} [@var{filename2} [...]] @var{output_filename}
+@item convert [-c] [-f @var{fmt}] [-O @var{output_fmt}] [-o @var{options}] [-s @var{snapshot_name}] @var{filename} [@var{filename2} [...]] @var{output_filename}
-Convert the disk image @var{filename} to disk image @var{output_filename}
+Convert the disk image @var{filename} or a snapshot @var{snapshot_name} to disk image @var{output_filename}
using format @var{output_fmt}. It can be optionally compressed (@code{-c}
option) or use any format specific options like encryption (@code{-o} option).
.oneline = "checks if a sector is present in the file",
};
+static int
+map_f(int argc, char **argv)
+{
+ int64_t offset;
+ int64_t nb_sectors;
+ char s1[64];
+ int num, num_checked;
+ int ret;
+ const char *retstr;
+
+ offset = 0;
+ nb_sectors = bs->total_sectors;
+
+ do {
+ num_checked = MIN(nb_sectors, INT_MAX);
+ ret = bdrv_is_allocated(bs, offset, num_checked, &num);
+ retstr = ret ? " allocated" : "not allocated";
+ cvtstr(offset << 9ULL, s1, sizeof(s1));
+ printf("[% 24" PRId64 "] % 8d/% 8d sectors %s at offset %s (%d)\n",
+ offset << 9ULL, num, num_checked, retstr, s1, ret);
+
+ offset += num;
+ nb_sectors -= num;
+ } while(offset < bs->total_sectors);
+
+ return 0;
+}
+
+static const cmdinfo_t map_cmd = {
+ .name = "map",
+ .argmin = 0,
+ .argmax = 0,
+ .cfunc = map_f,
+ .args = "",
+ .oneline = "prints the allocated areas of a file",
+};
+
+
static int
close_f(int argc, char **argv)
{
add_command(&length_cmd);
add_command(&info_cmd);
add_command(&alloc_cmd);
+ add_command(&map_cmd);
add_args_command(init_args_command);
add_check_command(init_check_command);
--- /dev/null
+/*
+ * QEMU System Emulator
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "qemu-timer.h"
+
+/***********************************************************/
+/* real time host monotonic timer */
+
+#ifdef _WIN32
+
+int64_t clock_freq;
+
+static void __attribute__((constructor)) init_get_clock(void)
+{
+ LARGE_INTEGER freq;
+ int ret;
+ ret = QueryPerformanceFrequency(&freq);
+ if (ret == 0) {
+ fprintf(stderr, "Could not calibrate ticks\n");
+ exit(1);
+ }
+ clock_freq = freq.QuadPart;
+}
+
+#else
+
+int use_rt_clock;
+
+static void __attribute__((constructor)) init_get_clock(void)
+{
+ use_rt_clock = 0;
+#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
+ || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
+ {
+ struct timespec ts;
+ if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
+ use_rt_clock = 1;
+ }
+ }
+#endif
+}
+#endif
static QEMUTimer *icount_rt_timer;
static QEMUTimer *icount_vm_timer;
-
-/***********************************************************/
-/* real time host monotonic timer */
-
-
-static int64_t get_clock_realtime(void)
-{
- struct timeval tv;
-
- gettimeofday(&tv, NULL);
- return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
-}
-
-#ifdef WIN32
-
-static int64_t clock_freq;
-
-static void init_get_clock(void)
-{
- LARGE_INTEGER freq;
- int ret;
- ret = QueryPerformanceFrequency(&freq);
- if (ret == 0) {
- fprintf(stderr, "Could not calibrate ticks\n");
- exit(1);
- }
- clock_freq = freq.QuadPart;
-}
-
-static int64_t get_clock(void)
-{
- LARGE_INTEGER ti;
- QueryPerformanceCounter(&ti);
- return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq);
-}
-
-#else
-
-static int use_rt_clock;
-
-static void init_get_clock(void)
-{
- use_rt_clock = 0;
-#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
- || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
- {
- struct timespec ts;
- if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
- use_rt_clock = 1;
- }
- }
-#endif
-}
-
-static int64_t get_clock(void)
-{
-#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
- || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
- if (use_rt_clock) {
- struct timespec ts;
- clock_gettime(CLOCK_MONOTONIC, &ts);
- return ts.tv_sec * 1000000000LL + ts.tv_nsec;
- } else
-#endif
- {
- /* XXX: using gettimeofday leads to problems if the date
- changes, so it should be avoided. */
- return get_clock_realtime();
- }
-}
-#endif
-
/***********************************************************/
/* guest cycle counter */
void init_clocks(void)
{
- init_get_clock();
rt_clock = qemu_new_clock(QEMU_CLOCK_REALTIME);
vm_clock = qemu_new_clock(QEMU_CLOCK_VIRTUAL);
host_clock = qemu_new_clock(QEMU_CLOCK_HOST);
#define QEMU_TIMER_H
#include "qemu-common.h"
+#include <time.h>
+#include <sys/time.h>
+
+#ifdef _WIN32
+#include <windows.h>
+#include <mmsystem.h>
+#endif
/* timers */
return 1000000000LL;
}
+/* compute with 96 bit intermediate result: (a*b)/c */
+static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
+{
+ union {
+ uint64_t ll;
+ struct {
+#ifdef HOST_WORDS_BIGENDIAN
+ uint32_t high, low;
+#else
+ uint32_t low, high;
+#endif
+ } l;
+ } u, res;
+ uint64_t rl, rh;
+
+ u.ll = a;
+ rl = (uint64_t)u.l.low * (uint64_t)b;
+ rh = (uint64_t)u.l.high * (uint64_t)b;
+ rh += (rl >> 32);
+ res.l.high = rh / c;
+ res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
+ return res.ll;
+}
+
+/* real time host monotonic timer */
+static inline int64_t get_clock_realtime(void)
+{
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+ return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
+}
+
+/* Warning: don't insert tracepoints into these functions, they are
+ also used by simpletrace backend and tracepoints would cause
+ an infinite recursion! */
+#ifdef _WIN32
+extern int64_t clock_freq;
+
+static inline int64_t get_clock(void)
+{
+ LARGE_INTEGER ti;
+ QueryPerformanceCounter(&ti);
+ return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq);
+}
+
+#else
+
+extern int use_rt_clock;
+
+static inline int64_t get_clock(void)
+{
+#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
+ || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
+ if (use_rt_clock) {
+ struct timespec ts;
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+ return ts.tv_sec * 1000000000LL + ts.tv_nsec;
+ } else
+#endif
+ {
+ /* XXX: using gettimeofday leads to problems if the date
+ changes, so it should be avoided. */
+ return get_clock_realtime();
+ }
+}
+#endif
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts);
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts);
{
return 0;
}
-
-int64_t qemu_get_clock(QEMUClock *clock)
-{
- qemu_timeval tv;
- qemu_gettimeofday(&tv);
- return (tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000)) / 1000000;
-}
-Subproject commit 17d3e46511aeedc9f09a8216d194d749187b80aa
+Subproject commit 0ff9051f756ba739bc2edca77925191c3c6cbc2f
VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi
set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
+# find-in-path
+# Usage: $(call find-in-path, prog)
+# Looks in the PATH if the argument contains no slash, else only considers one
+# specific directory. Returns an # empty string if the program doesn't exist
+# there.
+find-in-path = $(if $(find-string /, $1), \
+ $(wildcard $1), \
+ $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
+
# Generate timestamp files for .h include files
%.h: %.h-timestamp
#include <stdint.h>
#include <stdio.h>
#include <time.h>
+#include "qemu-timer.h"
#include "trace.h"
/** Trace file header event ID */
uint64_t x4, uint64_t x5, uint64_t x6)
{
TraceRecord *rec = &trace_buf[trace_idx];
- struct timespec ts;
-
- /* TODO Windows? It would be good to use qemu-timer here but that isn't
- * linked into qemu-tools. Also we should avoid recursion in the tracing
- * code, therefore it is useful to be self-contained.
- */
- clock_gettime(CLOCK_MONOTONIC, &ts);
if (!trace_list[event].state) {
return;
}
rec->event = event;
- rec->timestamp_ns = ts.tv_sec * 1000000000LL + ts.tv_nsec;
+ rec->timestamp_ns = get_clock();
rec->x1 = x1;
rec->x2 = x2;
rec->x3 = x3;
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
+#include <sys/utsname.h>
#include <linux/kvm.h>
#define BUS_MCEERR_AO 5
#endif
+static int lm_capable_kernel;
+
#ifdef KVM_CAP_EXT_CPUID
static struct kvm_cpuid2 *try_get_cpuid(KVMState *s, int max)
struct kvm_x86_mce_data *data = _data;
int r;
- /* If there is an MCE excpetion being processed, ignore this SRAO MCE */
- r = kvm_mce_in_exception(data->env);
- if (r == -1)
- fprintf(stderr, "Failed to get MCE status\n");
- else if (r && !(data->mce->status & MCI_STATUS_AR))
- return;
+ /* If there is an MCE exception being processed, ignore this SRAO MCE */
+ if ((data->env->mcg_cap & MCG_SER_P) &&
+ !(data->mce->status & MCI_STATUS_AR)) {
+ r = kvm_mce_in_exception(data->env);
+ if (r == -1) {
+ fprintf(stderr, "Failed to get MCE status\n");
+ } else if (r) {
+ return;
+ }
+ }
r = kvm_set_mce(data->env, data->mce);
if (r < 0) {
}
}
-static int kvm_has_msr_star(CPUState *env)
+int has_msr_star;
+int has_msr_hsave_pa;
+
+static void kvm_supported_msrs(CPUState *env)
{
- static int has_msr_star;
+ static int kvm_supported_msrs;
int ret;
/* first time */
- if (has_msr_star == 0) {
+ if (kvm_supported_msrs == 0) {
struct kvm_msr_list msr_list, *kvm_msr_list;
- has_msr_star = -1;
+ kvm_supported_msrs = -1;
/* Obtain MSR list from KVM. These are the MSRs that we must
* save/restore */
msr_list.nmsrs = 0;
ret = kvm_ioctl(env->kvm_state, KVM_GET_MSR_INDEX_LIST, &msr_list);
if (ret < 0 && ret != -E2BIG) {
- return 0;
+ return;
}
/* Old kernel modules had a bug and could write beyond the provided
memory. Allocate at least a safe amount of 1K. */
for (i = 0; i < kvm_msr_list->nmsrs; i++) {
if (kvm_msr_list->indices[i] == MSR_STAR) {
has_msr_star = 1;
- break;
+ continue;
+ }
+ if (kvm_msr_list->indices[i] == MSR_VM_HSAVE_PA) {
+ has_msr_hsave_pa = 1;
+ continue;
}
}
}
free(kvm_msr_list);
}
- if (has_msr_star == 1)
- return 1;
- return 0;
+ return;
+}
+
+static int kvm_has_msr_hsave_pa(CPUState *env)
+{
+ kvm_supported_msrs(env);
+ return has_msr_hsave_pa;
+}
+
+static int kvm_has_msr_star(CPUState *env)
+{
+ kvm_supported_msrs(env);
+ return has_msr_star;
}
static int kvm_init_identity_map_page(KVMState *s)
{
int ret;
+ struct utsname utsname;
+
+ uname(&utsname);
+ lm_capable_kernel = strcmp(utsname.machine, "x86_64") == 0;
+
/* create vm86 tss. KVM uses vm86 mode to emulate 16-bit code
* directly. In order to use vm86 mode, a TSS is needed. Since this
* must be part of guest physical memory, we need to allocate it. Older
struct kvm_msr_entry entries[100];
} msr_data;
struct kvm_msr_entry *msrs = msr_data.entries;
- int i, n = 0;
+ int n = 0;
kvm_msr_entry_set(&msrs[n++], MSR_IA32_SYSENTER_CS, env->sysenter_cs);
kvm_msr_entry_set(&msrs[n++], MSR_IA32_SYSENTER_ESP, env->sysenter_esp);
kvm_msr_entry_set(&msrs[n++], MSR_IA32_SYSENTER_EIP, env->sysenter_eip);
if (kvm_has_msr_star(env))
kvm_msr_entry_set(&msrs[n++], MSR_STAR, env->star);
+ if (kvm_has_msr_hsave_pa(env))
+ kvm_msr_entry_set(&msrs[n++], MSR_VM_HSAVE_PA, env->vm_hsave);
#ifdef TARGET_X86_64
- /* FIXME if lm capable */
- kvm_msr_entry_set(&msrs[n++], MSR_CSTAR, env->cstar);
- kvm_msr_entry_set(&msrs[n++], MSR_KERNELGSBASE, env->kernelgsbase);
- kvm_msr_entry_set(&msrs[n++], MSR_FMASK, env->fmask);
- kvm_msr_entry_set(&msrs[n++], MSR_LSTAR, env->lstar);
+ if (lm_capable_kernel) {
+ kvm_msr_entry_set(&msrs[n++], MSR_CSTAR, env->cstar);
+ kvm_msr_entry_set(&msrs[n++], MSR_KERNELGSBASE, env->kernelgsbase);
+ kvm_msr_entry_set(&msrs[n++], MSR_FMASK, env->fmask);
+ kvm_msr_entry_set(&msrs[n++], MSR_LSTAR, env->lstar);
+ }
#endif
if (level == KVM_PUT_FULL_STATE) {
- kvm_msr_entry_set(&msrs[n++], MSR_IA32_TSC, env->tsc);
+ /*
+ * KVM is yet unable to synchronize TSC values of multiple VCPUs on
+ * writeback. Until this is fixed, we only write the offset to SMP
+ * guests after migration, desynchronizing the VCPUs, but avoiding
+ * huge jump-backs that would occur without any writeback at all.
+ */
+ if (smp_cpus == 1 || env->tsc != 0) {
+ kvm_msr_entry_set(&msrs[n++], MSR_IA32_TSC, env->tsc);
+ }
kvm_msr_entry_set(&msrs[n++], MSR_KVM_SYSTEM_TIME,
env->system_time_msr);
kvm_msr_entry_set(&msrs[n++], MSR_KVM_WALL_CLOCK, env->wall_clock_msr);
}
#ifdef KVM_CAP_MCE
if (env->mcg_cap) {
+ int i;
if (level == KVM_PUT_RESET_STATE)
kvm_msr_entry_set(&msrs[n++], MSR_MCG_STATUS, env->mcg_status);
else if (level == KVM_PUT_FULL_STATE) {
msrs[n++].index = MSR_IA32_SYSENTER_EIP;
if (kvm_has_msr_star(env))
msrs[n++].index = MSR_STAR;
+ if (kvm_has_msr_hsave_pa(env))
+ msrs[n++].index = MSR_VM_HSAVE_PA;
msrs[n++].index = MSR_IA32_TSC;
#ifdef TARGET_X86_64
- /* FIXME lm_capable_kernel */
- msrs[n++].index = MSR_CSTAR;
- msrs[n++].index = MSR_KERNELGSBASE;
- msrs[n++].index = MSR_FMASK;
- msrs[n++].index = MSR_LSTAR;
+ if (lm_capable_kernel) {
+ msrs[n++].index = MSR_CSTAR;
+ msrs[n++].index = MSR_KERNELGSBASE;
+ msrs[n++].index = MSR_FMASK;
+ msrs[n++].index = MSR_LSTAR;
+ }
#endif
msrs[n++].index = MSR_KVM_SYSTEM_TIME;
msrs[n++].index = MSR_KVM_WALL_CLOCK;
case MSR_IA32_TSC:
env->tsc = msrs[i].data;
break;
+ case MSR_VM_HSAVE_PA:
+ env->vm_hsave = msrs[i].data;
+ break;
case MSR_KVM_SYSTEM_TIME:
env->system_time_msr = msrs[i].data;
break;
if (msrs[i].index >= MSR_MC0_CTL &&
msrs[i].index < MSR_MC0_CTL + (env->mcg_cap & 0xff) * 4) {
env->mce_banks[msrs[i].index - MSR_MC0_CTL] = msrs[i].data;
- break;
}
#endif
+ break;
}
}
exit(1);
}
+#ifdef KVM_CAP_MCE
+static void kvm_mce_broadcast_rest(CPUState *env)
+{
+ CPUState *cenv;
+ int family, model, cpuver = env->cpuid_version;
+
+ family = (cpuver >> 8) & 0xf;
+ model = ((cpuver >> 12) & 0xf0) + ((cpuver >> 4) & 0xf);
+
+ /* Broadcast MCA signal for processor version 06H_EH and above */
+ if ((family == 6 && model >= 14) || family > 6) {
+ for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu) {
+ if (cenv == env) {
+ continue;
+ }
+ kvm_inject_x86_mce(cenv, 1, MCI_STATUS_VAL | MCI_STATUS_UC,
+ MCG_STATUS_MCIP | MCG_STATUS_RIPV, 0, 0, 1);
+ }
+ }
+}
+#endif
+
int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr)
{
#if defined(KVM_CAP_MCE)
fprintf(stderr, "kvm_set_mce: %s\n", strerror(errno));
abort();
}
+ kvm_mce_broadcast_rest(env);
} else
#endif
{
void *vaddr;
ram_addr_t ram_addr;
target_phys_addr_t paddr;
- CPUState *cenv;
/* Hope we are lucky for AO MCE */
vaddr = addr;
kvm_inject_x86_mce(first_cpu, 9, status,
MCG_STATUS_MCIP | MCG_STATUS_RIPV, paddr,
(MCM_ADDR_PHYS << 6) | 0xc, 1);
- for (cenv = first_cpu->next_cpu; cenv != NULL; cenv = cenv->next_cpu) {
- kvm_inject_x86_mce(cenv, 1, MCI_STATUS_VAL | MCI_STATUS_UC,
- MCG_STATUS_MCIP | MCG_STATUS_RIPV, 0, 0, 1);
- }
+ kvm_mce_broadcast_rest(first_cpu);
} else
#endif
{
-include ../config-host.mak
+-include $(SRC_PATH)/rules.mak
$(call set-vpath, $(SRC_PATH)/tests)
-CFLAGS=-Wall -O2 -g -fno-strict-aliasing
+QEMU=../i386-linux-user/qemu-i386
+QEMU_X86_64=../x86_64-linux-user/qemu-x86_64
+CC_X86_64=$(CC_I386) -m64
+
+CFLAGS=-Wall -O2 -g -fno-strict-aliasing -I..
#CFLAGS+=-msse2
LDFLAGS=
-ifeq ($(ARCH),i386)
-TESTS=linux-test testthread sha1-i386 test-i386
+# TODO: automatically detect ARM and MIPS compilers, and run those too
+
+# runcom maps page 0, so it requires root privileges
+# also, pi_10.com runs indefinitely
+
+I386_TESTS=hello-i386 \
+ linux-test \
+ testthread \
+ sha1-i386 \
+ test-i386 \
+ test-mmap \
+ # runcom
+
+# native i386 compilers sometimes are not biarch. assume cross-compilers are
+ifneq ($(ARCH),i386)
+I386_TESTS+=run-test-x86_64
endif
-ifeq ($(ARCH),x86_64)
-TESTS=test-x86_64
+
+TESTS = test_path
+ifneq ($(call find-in-path, $(CC_I386)),)
+TESTS += $(I386_TESTS)
endif
-TESTS+=sha1# test_path
-#TESTS+=test_path
-#TESTS+=runcom
-QEMU=../i386-linux-user/qemu-i386
+all: $(patsubst %,run-%,$(TESTS))
+
+# rules to run tests
+
+.PHONY: $(patsubst %,run-%,$(TESTS))
+
+run-%: %
+ -$(QEMU) ./$*
+
+run-hello-i386: hello-i386
+run-linux-test: linux-test
+run-testthread: testthread
+run-sha1-i386: sha1-i386
+
+run-test-i386: test-i386
+ ./test-i386 > test-i386.ref
+ -$(QEMU) test-i386 > test-i386.out
+ @if diff -u test-i386.ref test-i386.out ; then echo "Auto Test OK"; fi
+
+run-test-x86_64: test-x86_64
+ ./test-x86_64 > test-x86_64.ref
+ -$(QEMU_X86_64) test-x86_64 > test-x86_64.out
+ @if diff -u test-x86_64.ref test-x86_64.out ; then echo "Auto Test OK"; fi
+
+run-test-mmap: test-mmap
+ -$(QEMU) ./test-mmap
+ -$(QEMU) -p 8192 ./test-mmap 8192
+ -$(QEMU) -p 16384 ./test-mmap 16384
+ -$(QEMU) -p 32768 ./test-mmap 32768
+
+run-runcom: runcom
+ -$(QEMU) ./runcom $(SRC_PATH)/tests/pi_10.com
+
+run-test_path: test_path
+ ./test_path
+
+# rules to compile tests
-all: $(TESTS)
+test_path: test_path.o
+test_path.o: test_path.c
hello-i386: hello-i386.c
- $(CC) -nostdlib $(CFLAGS) -static $(LDFLAGS) -o $@ $<
+ $(CC_I386) -nostdlib $(CFLAGS) -static $(LDFLAGS) -o $@ $<
strip $@
testthread: testthread.c
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -lpthread
-
-test_path: test_path.c
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
- ./$@ || { rm $@; exit 1; }
+ $(CC_I386) $(CFLAGS) $(LDFLAGS) -o $@ $< -lpthread
# i386/x86_64 emulation test (test various opcodes) */
test-i386: test-i386.c test-i386-code16.S test-i386-vm86.S \
test-i386.h test-i386-shift.h test-i386-muldiv.h
- $(CC) -m32 $(CFLAGS) $(LDFLAGS) -static -o $@ \
+ $(CC_I386) $(CFLAGS) $(LDFLAGS) -o $@ \
$(<D)/test-i386.c $(<D)/test-i386-code16.S $(<D)/test-i386-vm86.S -lm
test-x86_64: test-i386.c \
test-i386.h test-i386-shift.h test-i386-muldiv.h
- $(CC) -m64 $(CFLAGS) $(LDFLAGS) -static -o $@ $(<D)/test-i386.c -lm
-
-ifeq ($(ARCH),i386)
-test: test-i386
- ./test-i386 > test-i386.ref
-else
-test:
-endif
- $(QEMU) test-i386 > test-i386.out
- @if diff -u test-i386.ref test-i386.out ; then echo "Auto Test OK"; fi
-
-.PHONY: test-mmap
-test-mmap: test-mmap.c
- $(CC) $(CFLAGS) -Wall -static -O2 $(LDFLAGS) -o $@ $<
- -./test-mmap
- -$(QEMU) ./test-mmap
- -$(QEMU) -p 8192 ./test-mmap 8192
- -$(QEMU) -p 16384 ./test-mmap 16384
- -$(QEMU) -p 32768 ./test-mmap 32768
+ $(CC_X86_64) $(CFLAGS) $(LDFLAGS) -o $@ $(<D)/test-i386.c -lm
# generic Linux and CPU test
linux-test: linux-test.c
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -lm
+ $(CC_I386) $(CFLAGS) $(LDFLAGS) -o $@ $< -lm
+
+# vm86 test
+runcom: runcom.c
+ $(CC_I386) $(CFLAGS) $(LDFLAGS) -o $@ $<
+
+test-mmap: test-mmap.c
+ $(CC_I386) -m32 $(CFLAGS) -Wall -O2 $(LDFLAGS) -o $@ $<
# speed test
sha1-i386: sha1.c
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
+ $(CC_I386) $(CFLAGS) $(LDFLAGS) -o $@ $<
sha1: sha1.c
- $(HOST_CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
speed: sha1 sha1-i386
time ./sha1
time $(QEMU) ./sha1-i386
-# vm86 test
-runcom: runcom.c
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
-
+# broken test
# NOTE: -fomit-frame-pointer is currently needed : this is a bug in libqemu
qruncom: qruncom.c ../ioport-user.c ../i386-user/libqemu.a
$(CC) $(CFLAGS) -fomit-frame-pointer $(LDFLAGS) -I../target-i386 -I.. -I../i386-user -I../fpu \
#include <linux/unistd.h>
#include <asm/vm86.h>
-//#define SIGTEST
+extern int vm86 (unsigned long int subfunction,
+ struct vm86plus_struct *info);
-#undef __syscall_return
-#define __syscall_return(type, res) \
-do { \
- return (type) (res); \
-} while (0)
+#define VIF_MASK 0x00080000
-_syscall2(int, vm86, int, func, struct vm86plus_struct *, v86)
+//#define SIGTEST
#define COM_BASE_ADDR 0x10100
#define RBP "%%ebp"
#endif
+#if !defined(__x86_64__)
+/* causes an infinite loop, disable it for now. */
+#define TEST_ENTER(size, stack_type, level)
+#else
#define TEST_ENTER(size, stack_type, level)\
{\
long esp_save, esp_val, ebp_val, ebp_save, i;\
for(ptr = (stack_type *)esp_val; ptr < stack_end; ptr++)\
printf(FMTLX "\n", (long)ptr[0]);\
}
+#endif
static void test_enter(void)
{
/* Test path override code */
-#define _GNU_SOURCE
+#include "../config-host.h"
+#include "../qemu-malloc.c"
+#include "../cutils.c"
#include "../path.c"
+#include "../trace.c"
+#ifdef CONFIG_SIMPLE_TRACE
+#include "../simpletrace.c"
+#endif
+
#include <stdarg.h>
#include <sys/stat.h>
#include <fcntl.h>
+void qemu_log(const char *fmt, ...);
+
/* Any log message kills the test. */
-void gemu_log(const char *fmt, ...)
+void qemu_log(const char *fmt, ...)
{
va_list ap;
static int debug = 0;
-static void __attribute__((format(printf,2,3)))
-dprint(int level, const char *fmt, ...)
+static void GCC_FMT_ATTR(2, 3) dprint(int level, const char *fmt, ...)
{
va_list args;
/***********************************************************/
/* real time host monotonic timer */
-/* compute with 96 bit intermediate result: (a*b)/c */
-uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
-{
- union {
- uint64_t ll;
- struct {
-#ifdef HOST_WORDS_BIGENDIAN
- uint32_t high, low;
-#else
- uint32_t low, high;
-#endif
- } l;
- } u, res;
- uint64_t rl, rh;
-
- u.ll = a;
- rl = (uint64_t)u.l.low * (uint64_t)b;
- rh = (uint64_t)u.l.high * (uint64_t)b;
- rh += (rl >> 32);
- res.l.high = rh / c;
- res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
- return res.ll;
-}
-
/***********************************************************/
/* host time/date access */
void qemu_get_timedate(struct tm *tm, int offset)
projects / sdk / emulator / qemu.git / commitdiff