aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAvi Kivity <avi@redhat.com>2010-05-09 14:05:19 +0300
committerAvi Kivity <avi@redhat.com>2010-05-09 14:05:19 +0300
commit4b1b0617b6f454b368a7f04786c0bc842253f849 (patch)
tree46842c3026a59c6431e9c236734666b5d7286836
parentpci passthrough: zap option rom scanning. (diff)
parentUpdate for 0.12.4 release (diff)
downloadqemu-kvm-4b1b0617b6f454b368a7f04786c0bc842253f849.tar.gz
qemu-kvm-4b1b0617b6f454b368a7f04786c0bc842253f849.tar.bz2
qemu-kvm-4b1b0617b6f454b368a7f04786c0bc842253f849.zip
Merge commit 'v0.12.4' into stable-0.12qemu-kvm-0.12.4
* commit 'v0.12.4': (49 commits) Update for 0.12.4 release Workaround for broken OSS_GETVERSION on FreeBSD, part two oss: fix fragment setting oss: issue OSS_GETVERSION ioctl only when needed oss: refactor code around policy setting oss: workaround for cases when OSS_GETVERSION is not defined block: Free iovec arrays allocated by multiwrite_merge() lsi: fix segfault in lsi_command_complete lsi: pass lsi_request to lsi_reselect lsi: move dma_len+dma_buf into lsi_request lsi: move current_dev into lsi_request lsi: have lsi_request for the whole life time of the request. lsi: use QTAILQ for lsi_queue tcp/mips: Change TCG_AREG0 (fp -> s0) sh_pci: fix memory and I/O access Fix incoming migration with iothread Fix SIGFPE for vnc display of width/height = 1 net: remove broken net_set_boot_mask() boot device validation qcow2: Remove request from in-flight list after error qcow2: Don't ignore immediate read/write failures ... Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--Changelog50
-rw-r--r--VERSION2
-rw-r--r--audio/ossaudio.c68
-rw-r--r--block.c14
-rw-r--r--block/qcow2-cluster.c1
-rw-r--r--block/qcow2-refcount.c334
-rw-r--r--block/qcow2.c14
-rw-r--r--default-configs/sh4-softmmu.mak1
-rw-r--r--default-configs/sh4eb-softmmu.mak1
-rw-r--r--dyngen-exec.h6
-rw-r--r--hw/fdc.c20
-rw-r--r--hw/fw_cfg.c2
-rw-r--r--hw/ide/cmd646.c7
-rw-r--r--hw/ide/internal.h1
-rw-r--r--hw/ide/piix.c1
-rw-r--r--hw/lsi53c895a.c176
-rw-r--r--hw/scsi-disk.c4
-rw-r--r--hw/sh7750.c7
-rw-r--r--hw/sh_pci.c111
-rw-r--r--hw/usb-uhci.c7
-rw-r--r--json-parser.c2
-rw-r--r--linux-user/main.c2
-rw-r--r--net.c20
-rw-r--r--net.h1
-rw-r--r--qemu-char.c5
-rw-r--r--qemu-common.h4
-rw-r--r--qemu-options.hx2
-rw-r--r--target-i386/translate.c15
-rw-r--r--target-sh4/cpu.h2
-rw-r--r--target-sh4/helper.c22
-rw-r--r--target-sh4/translate.c2
-rw-r--r--tcg/arm/tcg-target.c11
-rw-r--r--tcg/mips/tcg-target.c54
-rw-r--r--tcg/mips/tcg-target.h6
-rw-r--r--vl.c26
-rw-r--r--vnc.c6
36 files changed, 605 insertions, 402 deletions
diff --git a/Changelog b/Changelog
index 67d0efd3a..4feb1867e 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,53 @@
+version 0.12.4
+ - Workaround for broken OSS_GETVERSION on FreeBSD, part two (Juergen Lock)
+ - oss: fix fragment setting (malc)
+ - oss: issue OSS_GETVERSION ioctl only when needed (malc)
+ - oss: refactor code around policy setting (malc)
+ - oss: workaround for cases when OSS_GETVERSION is not defined (malc)
+ - block: Free iovec arrays allocated by multiwrite_merge() (Stefan Hajnoczi)
+ - lsi: fix segfault in lsi_command_complete (Gerd Hoffmann)
+ - lsi: pass lsi_request to lsi_reselect (Gerd Hoffmann)
+ - lsi: move dma_len+dma_buf into lsi_request (Gerd Hoffmann)
+ - lsi: move current_dev into lsi_request (Gerd Hoffmann)
+ - lsi: have lsi_request for the whole life time of the request. (Gerd Hoffmann)
+ - lsi: use QTAILQ for lsi_queue (Gerd Hoffmann)
+ - tcp/mips: Change TCG_AREG0 (fp -> s0) (Stefan Weil)
+ - sh_pci: fix memory and I/O access (Aurelien Jarno)
+ - Fix incoming migration with iothread (Marcelo Tosatti)
+ - Fix SIGFPE for vnc display of width/height = 1 (Chris Webb)
+ - net: remove broken net_set_boot_mask() boot device validation (Eduardo Habkost)
+ - qcow2: Remove request from in-flight list after error (Kevin Wolf)
+ - qcow2: Don't ignore immediate read/write failures (Kevin Wolf)
+ - block: Fix multiwrite memory leak in error case (Kevin Wolf)
+ - block: Fix error code in multiwrite for immediate failures (Kevin Wolf)
+ - block: Fix multiwrite error handling (Kevin Wolf)
+ - scsi-disk: fix buffer overflow (Gerd Hoffmann)
+ - qcow2: Rewrite alloc_refcount_block/grow_refcount_table (Kevin Wolf)
+ - qcow2: Factor next_refcount_table_size out (Kevin Wolf)
+ - block: avoid creating too large iovecs in multiwrite_merge (Christoph Hellwig)
+ - json-parser: Fix segfault on malformed input (Kevin Wolf)
+ - linux-user: switch default ppc64 CPU to 970fx from 970 (Aurelien Jarno)
+ - target-sh4: MMU: fix store queue addresses (Aurelien Jarno)
+ - target-sh4: MMU: fix ITLB priviledge check (Aurelien Jarno)
+ - target-sh4: MMU: fix mem_idx computation (Aurelien Jarno)
+ - sh7750: handle MMUCR TI bit (Aurelien Jarno)
+ - UHCI spurious interrut fix (Paul Brook)
+ - tcg/mips: fix branch offset during retranslation (Aurelien Jarno)
+ - tcg/arm: correctly save/restore registers in prologue/epilogue (Aurelien Jarno)
+ - workaround for cmd646 bmdma register access while no dma is active (Igor V. Kovalenko)
+ - Fix corner case in chardev udp: parameter (Jan Kiszka)
+ - Don't set default monitor when there is a mux'ed one (Jan Kiszka)
+ - spelling typo (compatibilty) in hw/fw_cfg.c (Vagrant Cascadian)
+ - fdc: fix drive property handling. (Gerd Hoffmann)
+ - target-i386: fix commit c22549204a6edc431e8e4358e61bd56386ff6957 (TeLeMan)
+ - target-i386: fix SIB decoding with index = 4 (Aurelien Jarno)
+ - Fix segfault with ram_size > 4095M without kvm (Ryan Harper)
+ - target-i386: Fix long jumps/calls in long mode with REX.W set (malc)
+ - target-i386: fix lddqu SSE instruction (Aurelien Jarno)
+ - qemu-char.c: drop debug printfs from qemu_chr_parse_compat (Jan Kiszka)
+ - fix undefined shifts by >32 (Paolo Bonzini)
+ - Fix qemu -net user,hostfwd= example (Aurelien Jarno)
+
version 0.12.3
- kvm: Fix eflags corruption in kvm mode (Jan Kiszka)
- qcow2: Fix access after end of array (Kevin Wolf)
diff --git a/VERSION b/VERSION
index aa22d3ce3..e01e0ddd8 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.12.3
+0.12.4
diff --git a/audio/ossaudio.c b/audio/ossaudio.c
index 4002f1467..42bffaeaf 100644
--- a/audio/ossaudio.c
+++ b/audio/ossaudio.c
@@ -38,6 +38,10 @@
#define AUDIO_CAP "oss"
#include "audio_int.h"
+#if defined OSS_GETVERSION && defined SNDCTL_DSP_POLICY
+#define USE_DSP_POLICY
+#endif
+
typedef struct OSSVoiceOut {
HWVoiceOut hw;
void *pcm_buf;
@@ -236,14 +240,39 @@ static void oss_dump_info (struct oss_params *req, struct oss_params *obt)
}
#endif
+#ifdef USE_DSP_POLICY
+static int oss_get_version (int fd, int *version, const char *typ)
+{
+ if (ioctl (fd, OSS_GETVERSION, &version)) {
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+ /*
+ * Looks like atm (20100109) FreeBSD knows OSS_GETVERSION
+ * since 7.x, but currently only on the mixer device (or in
+ * the Linuxolator), and in the native version that part of
+ * the code is in fact never reached so the ioctl fails anyway.
+ * Until this is fixed, just check the errno and if its what
+ * FreeBSD's sound drivers return atm assume they are new enough.
+ */
+ if (errno == EINVAL) {
+ *version = 0x040000;
+ return 0;
+ }
+#endif
+ oss_logerr2 (errno, typ, "Failed to get OSS version\n");
+ return -1;
+ }
+ return 0;
+}
+#endif
+
static int oss_open (int in, struct oss_params *req,
struct oss_params *obt, int *pfd)
{
int fd;
- int version;
int oflags = conf.exclusive ? O_EXCL : 0;
audio_buf_info abinfo;
int fmt, freq, nchannels;
+ int setfragment = 1;
const char *dspname = in ? conf.devpath_in : conf.devpath_out;
const char *typ = in ? "ADC" : "DAC";
@@ -281,27 +310,30 @@ static int oss_open (int in, struct oss_params *req,
goto err;
}
- if (ioctl (fd, OSS_GETVERSION, &version)) {
- oss_logerr2 (errno, typ, "Failed to get OSS version\n");
- version = 0;
- }
+#ifdef USE_DSP_POLICY
+ if (conf.policy >= 0) {
+ int version;
- if (conf.debug) {
- dolog ("OSS version = %#x\n", version);
- }
+ if (!oss_get_version (fd, &version, typ)) {
+ if (conf.debug) {
+ dolog ("OSS version = %#x\n", version);
+ }
-#ifdef SNDCTL_DSP_POLICY
- if (conf.policy >= 0 && version >= 0x040000) {
- int policy = conf.policy;
- if (ioctl (fd, SNDCTL_DSP_POLICY, &policy)) {
- oss_logerr2 (errno, typ, "Failed to set timing policy to %d\n",
- conf.policy);
- goto err;
+ if (version >= 0x040000) {
+ int policy = conf.policy;
+ if (ioctl (fd, SNDCTL_DSP_POLICY, &policy)) {
+ oss_logerr2 (errno, typ,
+ "Failed to set timing policy to %d\n",
+ conf.policy);
+ goto err;
+ }
+ setfragment = 0;
+ }
}
}
- else
#endif
- {
+
+ if (setfragment) {
int mmmmssss = (req->nfrags << 16) | ctz32 (req->fragsize);
if (ioctl (fd, SNDCTL_DSP_SETFRAGMENT, &mmmmssss)) {
oss_logerr2 (errno, typ, "Failed to set buffer length (%d, %d)\n",
@@ -857,7 +889,7 @@ static struct audio_option oss_options[] = {
.valp = &conf.exclusive,
.descr = "Open device in exclusive mode (vmix wont work)"
},
-#ifdef SNDCTL_DSP_POLICY
+#ifdef USE_DSP_POLICY
{
.name = "POLICY",
.tag = AUD_OPT_INT,
diff --git a/block.c b/block.c
index 97af3f577..7326bfeee 100644
--- a/block.c
+++ b/block.c
@@ -1608,6 +1608,9 @@ static void multiwrite_user_cb(MultiwriteCB *mcb)
for (i = 0; i < mcb->num_callbacks; i++) {
mcb->callbacks[i].cb(mcb->callbacks[i].opaque, mcb->error);
+ if (mcb->callbacks[i].free_qiov) {
+ qemu_iovec_destroy(mcb->callbacks[i].free_qiov);
+ }
qemu_free(mcb->callbacks[i].free_qiov);
qemu_vfree(mcb->callbacks[i].free_buf);
}
@@ -1617,7 +1620,7 @@ static void multiwrite_cb(void *opaque, int ret)
{
MultiwriteCB *mcb = opaque;
- if (ret < 0) {
+ if (ret < 0 && !mcb->error) {
mcb->error = ret;
multiwrite_user_cb(mcb);
}
@@ -1669,6 +1672,10 @@ static int multiwrite_merge(BlockDriverState *bs, BlockRequest *reqs,
merge = bs->drv->bdrv_merge_requests(bs, &reqs[outidx], &reqs[i]);
}
+ if (reqs[outidx].qiov->niov + reqs[i].qiov->niov + 1 > IOV_MAX) {
+ merge = 0;
+ }
+
if (merge) {
size_t size;
QEMUIOVector *qiov = qemu_mallocz(sizeof(*qiov));
@@ -1754,10 +1761,11 @@ int bdrv_aio_multiwrite(BlockDriverState *bs, BlockRequest *reqs, int num_reqs)
// submitted yet. Otherwise we'll wait for the submitted AIOs to
// complete and report the error in the callback.
if (mcb->num_requests == 0) {
- reqs[i].error = EIO;
+ reqs[i].error = -EIO;
goto fail;
} else {
- mcb->error = EIO;
+ mcb->num_requests++;
+ multiwrite_cb(mcb, -EIO);
break;
}
} else {
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index b13b6935f..c7057b166 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -811,6 +811,7 @@ int qcow2_alloc_cluster_offset(BlockDriverState *bs, uint64_t offset,
cluster_offset = qcow2_alloc_clusters(bs, nb_clusters * s->cluster_size);
if (cluster_offset < 0) {
+ QLIST_REMOVE(m, next_in_flight);
return cluster_offset;
}
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index c2a5c0471..5ebbcb63d 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -27,7 +27,7 @@
#include "block/qcow2.h"
static int64_t alloc_clusters_noref(BlockDriverState *bs, int64_t size);
-static int update_refcount(BlockDriverState *bs,
+static int QEMU_WARN_UNUSED_RESULT update_refcount(BlockDriverState *bs,
int64_t offset, int64_t length,
int addend);
@@ -123,124 +123,266 @@ static int get_refcount(BlockDriverState *bs, int64_t cluster_index)
return be16_to_cpu(s->refcount_block_cache[block_index]);
}
-static int grow_refcount_table(BlockDriverState *bs, int min_size)
+/*
+ * Rounds the refcount table size up to avoid growing the table for each single
+ * refcount block that is allocated.
+ */
+static unsigned int next_refcount_table_size(BDRVQcowState *s,
+ unsigned int min_size)
+{
+ unsigned int min_clusters = (min_size >> (s->cluster_bits - 3)) + 1;
+ unsigned int refcount_table_clusters =
+ MAX(1, s->refcount_table_size >> (s->cluster_bits - 3));
+
+ while (min_clusters > refcount_table_clusters) {
+ refcount_table_clusters = (refcount_table_clusters * 3 + 1) / 2;
+ }
+
+ return refcount_table_clusters << (s->cluster_bits - 3);
+}
+
+
+/* Checks if two offsets are described by the same refcount block */
+static int in_same_refcount_block(BDRVQcowState *s, uint64_t offset_a,
+ uint64_t offset_b)
+{
+ uint64_t block_a = offset_a >> (2 * s->cluster_bits - REFCOUNT_SHIFT);
+ uint64_t block_b = offset_b >> (2 * s->cluster_bits - REFCOUNT_SHIFT);
+
+ return (block_a == block_b);
+}
+
+/*
+ * Loads a refcount block. If it doesn't exist yet, it is allocated first
+ * (including growing the refcount table if needed).
+ *
+ * Returns the offset of the refcount block on success or -errno in error case
+ */
+static int64_t alloc_refcount_block(BlockDriverState *bs, int64_t cluster_index)
{
BDRVQcowState *s = bs->opaque;
- int new_table_size, new_table_size2, refcount_table_clusters, i, ret;
- uint64_t *new_table;
- int64_t table_offset;
- uint8_t data[12];
- int old_table_size;
- int64_t old_table_offset;
+ unsigned int refcount_table_index;
+ int ret;
- if (min_size <= s->refcount_table_size)
- return 0;
- /* compute new table size */
- refcount_table_clusters = s->refcount_table_size >> (s->cluster_bits - 3);
- for(;;) {
- if (refcount_table_clusters == 0) {
- refcount_table_clusters = 1;
- } else {
- refcount_table_clusters = (refcount_table_clusters * 3 + 1) / 2;
+ /* Find the refcount block for the given cluster */
+ refcount_table_index = cluster_index >> (s->cluster_bits - REFCOUNT_SHIFT);
+
+ if (refcount_table_index < s->refcount_table_size) {
+
+ uint64_t refcount_block_offset =
+ s->refcount_table[refcount_table_index];
+
+ /* If it's already there, we're done */
+ if (refcount_block_offset) {
+ if (refcount_block_offset != s->refcount_block_cache_offset) {
+ ret = load_refcount_block(bs, refcount_block_offset);
+ if (ret < 0) {
+ return ret;
+ }
+ }
+ return refcount_block_offset;
+ }
+ }
+
+ /*
+ * If we came here, we need to allocate something. Something is at least
+ * a cluster for the new refcount block. It may also include a new refcount
+ * table if the old refcount table is too small.
+ *
+ * Note that allocating clusters here needs some special care:
+ *
+ * - We can't use the normal qcow2_alloc_clusters(), it would try to
+ * increase the refcount and very likely we would end up with an endless
+ * recursion. Instead we must place the refcount blocks in a way that
+ * they can describe them themselves.
+ *
+ * - We need to consider that at this point we are inside update_refcounts
+ * and doing the initial refcount increase. This means that some clusters
+ * have already been allocated by the caller, but their refcount isn't
+ * accurate yet. free_cluster_index tells us where this allocation ends
+ * as long as we don't overwrite it by freeing clusters.
+ *
+ * - alloc_clusters_noref and qcow2_free_clusters may load a different
+ * refcount block into the cache
+ */
+
+ if (cache_refcount_updates) {
+ ret = write_refcount_block(s);
+ if (ret < 0) {
+ return ret;
+ }
+ }
+
+ /* Allocate the refcount block itself and mark it as used */
+ uint64_t new_block = alloc_clusters_noref(bs, s->cluster_size);
+ memset(s->refcount_block_cache, 0, s->cluster_size);
+ s->refcount_block_cache_offset = new_block;
+
+#ifdef DEBUG_ALLOC2
+ fprintf(stderr, "qcow2: Allocate refcount block %d for %" PRIx64
+ " at %" PRIx64 "\n",
+ refcount_table_index, cluster_index << s->cluster_bits, new_block);
+#endif
+
+ if (in_same_refcount_block(s, new_block, cluster_index << s->cluster_bits)) {
+ /* The block describes itself, need to update the cache */
+ int block_index = (new_block >> s->cluster_bits) &
+ ((1 << (s->cluster_bits - REFCOUNT_SHIFT)) - 1);
+ s->refcount_block_cache[block_index] = cpu_to_be16(1);
+ } else {
+ /* Described somewhere else. This can recurse at most twice before we
+ * arrive at a block that describes itself. */
+ ret = update_refcount(bs, new_block, s->cluster_size, 1);
+ if (ret < 0) {
+ goto fail_block;
+ }
+ }
+
+ /* Now the new refcount block needs to be written to disk */
+ ret = bdrv_pwrite(s->hd, new_block, s->refcount_block_cache,
+ s->cluster_size);
+ if (ret < 0) {
+ goto fail_block;
+ }
+
+ /* If the refcount table is big enough, just hook the block up there */
+ if (refcount_table_index < s->refcount_table_size) {
+ uint64_t data64 = cpu_to_be64(new_block);
+ ret = bdrv_pwrite(s->hd,
+ s->refcount_table_offset + refcount_table_index * sizeof(uint64_t),
+ &data64, sizeof(data64));
+ if (ret < 0) {
+ goto fail_block;
}
- new_table_size = refcount_table_clusters << (s->cluster_bits - 3);
- if (min_size <= new_table_size)
- break;
+
+ s->refcount_table[refcount_table_index] = new_block;
+ return new_block;
}
+
+ /*
+ * If we come here, we need to grow the refcount table. Again, a new
+ * refcount table needs some space and we can't simply allocate to avoid
+ * endless recursion.
+ *
+ * Therefore let's grab new refcount blocks at the end of the image, which
+ * will describe themselves and the new refcount table. This way we can
+ * reference them only in the new table and do the switch to the new
+ * refcount table at once without producing an inconsistent state in
+ * between.
+ */
+ /* Calculate the number of refcount blocks needed so far */
+ uint64_t refcount_block_clusters = 1 << (s->cluster_bits - REFCOUNT_SHIFT);
+ uint64_t blocks_used = (s->free_cluster_index +
+ refcount_block_clusters - 1) / refcount_block_clusters;
+
+ /* And now we need at least one block more for the new metadata */
+ uint64_t table_size = next_refcount_table_size(s, blocks_used + 1);
+ uint64_t last_table_size;
+ uint64_t blocks_clusters;
+ do {
+ uint64_t table_clusters = size_to_clusters(s, table_size);
+ blocks_clusters = 1 +
+ ((table_clusters + refcount_block_clusters - 1)
+ / refcount_block_clusters);
+ uint64_t meta_clusters = table_clusters + blocks_clusters;
+
+ last_table_size = table_size;
+ table_size = next_refcount_table_size(s, blocks_used +
+ ((meta_clusters + refcount_block_clusters - 1)
+ / refcount_block_clusters));
+
+ } while (last_table_size != table_size);
+
#ifdef DEBUG_ALLOC2
- printf("grow_refcount_table from %d to %d\n",
- s->refcount_table_size,
- new_table_size);
+ fprintf(stderr, "qcow2: Grow refcount table %" PRId32 " => %" PRId64 "\n",
+ s->refcount_table_size, table_size);
#endif
- new_table_size2 = new_table_size * sizeof(uint64_t);
- new_table = qemu_mallocz(new_table_size2);
+
+ /* Create the new refcount table and blocks */
+ uint64_t meta_offset = (blocks_used * refcount_block_clusters) *
+ s->cluster_size;
+ uint64_t table_offset = meta_offset + blocks_clusters * s->cluster_size;
+ uint16_t *new_blocks = qemu_mallocz(blocks_clusters * s->cluster_size);
+ uint64_t *new_table = qemu_mallocz(table_size * sizeof(uint64_t));
+
+ assert(meta_offset >= (s->free_cluster_index * s->cluster_size));
+
+ /* Fill the new refcount table */
memcpy(new_table, s->refcount_table,
- s->refcount_table_size * sizeof(uint64_t));
- for(i = 0; i < s->refcount_table_size; i++)
+ s->refcount_table_size * sizeof(uint64_t));
+ new_table[refcount_table_index] = new_block;
+
+ int i;
+ for (i = 0; i < blocks_clusters; i++) {
+ new_table[blocks_used + i] = meta_offset + (i * s->cluster_size);
+ }
+
+ /* Fill the refcount blocks */
+ uint64_t table_clusters = size_to_clusters(s, table_size * sizeof(uint64_t));
+ int block = 0;
+ for (i = 0; i < table_clusters + blocks_clusters; i++) {
+ new_blocks[block++] = cpu_to_be16(1);
+ }
+
+ /* Write refcount blocks to disk */
+ ret = bdrv_pwrite(s->hd, meta_offset, new_blocks,
+ blocks_clusters * s->cluster_size);
+ qemu_free(new_blocks);
+ if (ret < 0) {
+ goto fail_table;
+ }
+
+ /* Write refcount table to disk */
+ for(i = 0; i < table_size; i++) {
cpu_to_be64s(&new_table[i]);
- /* Note: we cannot update the refcount now to avoid recursion */
- table_offset = alloc_clusters_noref(bs, new_table_size2);
- ret = bdrv_pwrite(s->hd, table_offset, new_table, new_table_size2);
- if (ret != new_table_size2)
- goto fail;
- for(i = 0; i < s->refcount_table_size; i++)
- be64_to_cpus(&new_table[i]);
+ }
+ ret = bdrv_pwrite(s->hd, table_offset, new_table,
+ table_size * sizeof(uint64_t));
+ if (ret < 0) {
+ goto fail_table;
+ }
+
+ for(i = 0; i < table_size; i++) {
+ cpu_to_be64s(&new_table[i]);
+ }
+
+ /* Hook up the new refcount table in the qcow2 header */
+ uint8_t data[12];
cpu_to_be64w((uint64_t*)data, table_offset);
- cpu_to_be32w((uint32_t*)(data + 8), refcount_table_clusters);
+ cpu_to_be32w((uint32_t*)(data + 8), table_clusters);
ret = bdrv_pwrite(s->hd, offsetof(QCowHeader, refcount_table_offset),
- data, sizeof(data));
- if (ret != sizeof(data)) {
- goto fail;
+ data, sizeof(data));
+ if (ret < 0) {
+ goto fail_table;
}
+ /* And switch it in memory */
+ uint64_t old_table_offset = s->refcount_table_offset;
+ uint64_t old_table_size = s->refcount_table_size;
+
qemu_free(s->refcount_table);
- old_table_offset = s->refcount_table_offset;
- old_table_size = s->refcount_table_size;
s->refcount_table = new_table;
- s->refcount_table_size = new_table_size;
+ s->refcount_table_size = table_size;
s->refcount_table_offset = table_offset;
- update_refcount(bs, table_offset, new_table_size2, 1);
+ /* Free old table. Remember, we must not change free_cluster_index */
+ uint64_t old_free_cluster_index = s->free_cluster_index;
qcow2_free_clusters(bs, old_table_offset, old_table_size * sizeof(uint64_t));
- return 0;
- fail:
- qemu_free(new_table);
- return ret < 0 ? ret : -EIO;
-}
+ s->free_cluster_index = old_free_cluster_index;
-
-static int64_t alloc_refcount_block(BlockDriverState *bs, int64_t cluster_index)
-{
- BDRVQcowState *s = bs->opaque;
- int64_t offset, refcount_block_offset;
- unsigned int refcount_table_index;
- int ret;
- uint64_t data64;
- int cache = cache_refcount_updates;
-
- /* Find L1 index and grow refcount table if needed */
- refcount_table_index = cluster_index >> (s->cluster_bits - REFCOUNT_SHIFT);
- if (refcount_table_index >= s->refcount_table_size) {
- ret = grow_refcount_table(bs, refcount_table_index + 1);
- if (ret < 0)
- return ret;
+ ret = load_refcount_block(bs, new_block);
+ if (ret < 0) {
+ goto fail_block;
}
- /* Load or allocate the refcount block */
- refcount_block_offset = s->refcount_table[refcount_table_index];
- if (!refcount_block_offset) {
- if (cache_refcount_updates) {
- write_refcount_block(s);
- cache_refcount_updates = 0;
- }
- /* create a new refcount block */
- /* Note: we cannot update the refcount now to avoid recursion */
- offset = alloc_clusters_noref(bs, s->cluster_size);
- memset(s->refcount_block_cache, 0, s->cluster_size);
- ret = bdrv_pwrite(s->hd, offset, s->refcount_block_cache, s->cluster_size);
- if (ret != s->cluster_size)
- return -EINVAL;
- s->refcount_table[refcount_table_index] = offset;
- data64 = cpu_to_be64(offset);
- ret = bdrv_pwrite(s->hd, s->refcount_table_offset +
- refcount_table_index * sizeof(uint64_t),
- &data64, sizeof(data64));
- if (ret != sizeof(data64))
- return -EINVAL;
-
- refcount_block_offset = offset;
- s->refcount_block_cache_offset = offset;
- update_refcount(bs, offset, s->cluster_size, 1);
- cache_refcount_updates = cache;
- } else {
- if (refcount_block_offset != s->refcount_block_cache_offset) {
- if (load_refcount_block(bs, refcount_block_offset) < 0)
- return -EIO;
- }
- }
+ return new_block;
- return refcount_block_offset;
+fail_table:
+ qemu_free(new_table);
+fail_block:
+ s->refcount_block_cache_offset = 0;
+ return ret;
}
#define REFCOUNTS_PER_SECTOR (512 >> REFCOUNT_SHIFT)
diff --git a/block/qcow2.c b/block/qcow2.c
index 4ae8f193d..5d33d6c79 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -467,8 +467,10 @@ static void qcow_aio_read_cb(void *opaque, int ret)
acb->hd_aiocb = bdrv_aio_readv(s->hd,
(acb->cluster_offset >> 9) + index_in_cluster,
&acb->hd_qiov, acb->n, qcow_aio_read_cb, acb);
- if (acb->hd_aiocb == NULL)
+ if (acb->hd_aiocb == NULL) {
+ ret = -EIO;
goto done;
+ }
}
return;
@@ -620,11 +622,17 @@ static void qcow_aio_write_cb(void *opaque, int ret)
(acb->cluster_offset >> 9) + index_in_cluster,
&acb->hd_qiov, acb->n,
qcow_aio_write_cb, acb);
- if (acb->hd_aiocb == NULL)
- goto done;
+ if (acb->hd_aiocb == NULL) {
+ ret = -EIO;
+ goto fail;
+ }
return;
+fail:
+ if (acb->l2meta.nb_clusters != 0) {
+ QLIST_REMOVE(&acb->l2meta, next_in_flight);
+ }
done:
if (acb->qiov->niov > 1)
qemu_vfree(acb->orig_buf);
diff --git a/default-configs/sh4-softmmu.mak b/default-configs/sh4-softmmu.mak
index 4f912eccd..a89f52b16 100644
--- a/default-configs/sh4-softmmu.mak
+++ b/default-configs/sh4-softmmu.mak
@@ -2,3 +2,4 @@
CONFIG_USB_OHCI=y
CONFIG_PTIMER=y
+CONFIG_ISA_MMIO=y
diff --git a/default-configs/sh4eb-softmmu.mak b/default-configs/sh4eb-softmmu.mak
index 93d0c76f2..762385be3 100644
--- a/default-configs/sh4eb-softmmu.mak
+++ b/default-configs/sh4eb-softmmu.mak
@@ -2,3 +2,4 @@
CONFIG_USB_OHCI=y
CONFIG_PTIMER=y
+CONFIG_ISA_MMIO=y
diff --git a/dyngen-exec.h b/dyngen-exec.h
index 0353f36cd..3f1c43196 100644
--- a/dyngen-exec.h
+++ b/dyngen-exec.h
@@ -69,9 +69,9 @@ extern int printf(const char *, ...);
#define AREG1 "r14"
#define AREG2 "r15"
#elif defined(__mips__)
-#define AREG0 "fp"
-#define AREG1 "s0"
-#define AREG2 "s1"
+#define AREG0 "s0"
+#define AREG1 "s1"
+#define AREG2 "fp"
#elif defined(__sparc__)
#ifdef CONFIG_SOLARIS
#define AREG0 "g2"
diff --git a/hw/fdc.c b/hw/fdc.c
index 0579b0372..b29136552 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -1860,8 +1860,12 @@ fdctrl_t *fdctrl_init_isa(DriveInfo **fds)
ISADevice *dev;
dev = isa_create("isa-fdc");
- qdev_prop_set_drive(&dev->qdev, "driveA", fds[0]);
- qdev_prop_set_drive(&dev->qdev, "driveB", fds[1]);
+ if (fds[0]) {
+ qdev_prop_set_drive(&dev->qdev, "driveA", fds[0]);
+ }
+ if (fds[1]) {
+ qdev_prop_set_drive(&dev->qdev, "driveB", fds[1]);
+ }
if (qdev_init(&dev->qdev) < 0)
return NULL;
return &(DO_UPCAST(fdctrl_isabus_t, busdev, dev)->state);
@@ -1879,8 +1883,12 @@ fdctrl_t *fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
sys = DO_UPCAST(fdctrl_sysbus_t, busdev.qdev, dev);
fdctrl = &sys->state;
fdctrl->dma_chann = dma_chann; /* FIXME */
- qdev_prop_set_drive(dev, "driveA", fds[0]);
- qdev_prop_set_drive(dev, "driveB", fds[1]);
+ if (fds[0]) {
+ qdev_prop_set_drive(dev, "driveA", fds[0]);
+ }
+ if (fds[1]) {
+ qdev_prop_set_drive(dev, "driveB", fds[1]);
+ }
qdev_init_nofail(dev);
sysbus_connect_irq(&sys->busdev, 0, irq);
sysbus_mmio_map(&sys->busdev, 0, mmio_base);
@@ -1896,7 +1904,9 @@ fdctrl_t *sun4m_fdctrl_init (qemu_irq irq, target_phys_addr_t io_base,
fdctrl_t *fdctrl;
dev = qdev_create(NULL, "SUNW,fdtwo");
- qdev_prop_set_drive(dev, "drive", fds[0]);
+ if (fds[0]) {
+ qdev_prop_set_drive(dev, "drive", fds[0]);
+ }
qdev_init_nofail(dev);
sys = DO_UPCAST(fdctrl_sysbus_t, busdev.qdev, dev);
fdctrl = &sys->state;
diff --git a/hw/fw_cfg.c b/hw/fw_cfg.c
index ea120ba55..c62bf522d 100644
--- a/hw/fw_cfg.c
+++ b/hw/fw_cfg.c
@@ -179,7 +179,7 @@ static int get_uint32_as_uint16(QEMUFile *f, void *pv, size_t size)
static void put_unused(QEMUFile *f, void *pv, size_t size)
{
- fprintf(stderr, "uint32_as_uint16 is only used for backward compatibilty.\n");
+ fprintf(stderr, "uint32_as_uint16 is only used for backward compatibility.\n");
fprintf(stderr, "This functions shouldn't be called.\n");
}
diff --git a/hw/ide/cmd646.c b/hw/ide/cmd646.c
index e1e626e2a..835c98d72 100644
--- a/hw/ide/cmd646.c
+++ b/hw/ide/cmd646.c
@@ -70,11 +70,7 @@ static void ide_map(PCIDevice *pci_dev, int region_num,
static PCIIDEState *pci_from_bm(BMDMAState *bm)
{
- if (bm->unit == 0) {
- return container_of(bm, PCIIDEState, bmdma[0]);
- } else {
- return container_of(bm, PCIIDEState, bmdma[1]);
- }
+ return bm->pci_dev;
}
static uint32_t bmdma_readb(void *opaque, uint32_t addr)
@@ -145,6 +141,7 @@ static void bmdma_map(PCIDevice *pci_dev, int region_num,
BMDMAState *bm = &d->bmdma[i];
d->bus[i].bmdma = bm;
bm->bus = d->bus+i;
+ bm->pci_dev = d;
qemu_add_vm_change_state_handler(ide_dma_restart_cb, bm);
register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm);
diff --git a/hw/ide/internal.h b/hw/ide/internal.h
index 8869a0834..8615d1a1f 100644
--- a/hw/ide/internal.h
+++ b/hw/ide/internal.h
@@ -481,6 +481,7 @@ struct BMDMAState {
uint8_t status;
uint32_t addr;
+ struct PCIIDEState *pci_dev;
IDEBus *bus;
/* current transfer state */
uint32_t cur_addr;
diff --git a/hw/ide/piix.c b/hw/ide/piix.c
index de3648023..2776ac365 100644
--- a/hw/ide/piix.c
+++ b/hw/ide/piix.c
@@ -78,6 +78,7 @@ static void bmdma_map(PCIDevice *pci_dev, int region_num,
BMDMAState *bm = &d->bmdma[i];
d->bus[i].bmdma = bm;
bm->bus = d->bus+i;
+ bm->pci_dev = d;
qemu_add_vm_change_state_handler(ide_dma_restart_cb, bm);
register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm);
diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index 014c85dbd..e0ade1e54 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -173,11 +173,15 @@ do { fprintf(stderr, "lsi_scsi: error: " fmt , ## __VA_ARGS__);} while (0)
/* Flag set if this is a tagged command. */
#define LSI_TAG_VALID (1 << 16)
-typedef struct {
+typedef struct lsi_request {
uint32_t tag;
+ SCSIDevice *dev;
+ uint32_t dma_len;
+ uint8_t *dma_buf;
uint32_t pending;
int out;
-} lsi_queue;
+ QTAILQ_ENTRY(lsi_request) next;
+} lsi_request;
typedef struct {
PCIDevice dev;
@@ -198,16 +202,13 @@ typedef struct {
* 3 if a DMA operation is in progress. */
int waiting;
SCSIBus bus;
- SCSIDevice *current_dev;
+ SCSIDevice *select_dev;
int current_lun;
/* The tag is a combination of the device ID and the SCSI tag. */
- uint32_t current_tag;
- uint32_t current_dma_len;
+ uint32_t select_tag;
int command_complete;
- uint8_t *dma_buf;
- lsi_queue *queue;
- int queue_len;
- int active_commands;
+ QTAILQ_HEAD(, lsi_request) queue;
+ lsi_request *current;
uint32_t dsa;
uint32_t temp;
@@ -370,7 +371,7 @@ static int lsi_dma_64bit(LSIState *s)
static uint8_t lsi_reg_readb(LSIState *s, int offset);
static void lsi_reg_writeb(LSIState *s, int offset, uint8_t val);
static void lsi_execute_script(LSIState *s);
-static void lsi_reselect(LSIState *s, uint32_t tag);
+static void lsi_reselect(LSIState *s, lsi_request *p);
static inline uint32_t read_dword(LSIState *s, uint32_t addr)
{
@@ -391,9 +392,9 @@ static void lsi_stop_script(LSIState *s)
static void lsi_update_irq(LSIState *s)
{
- int i;
int level;
static int last_level;
+ lsi_request *p;
/* It's unclear whether the DIP/SIP bits should be cleared when the
Interrupt Status Registers are cleared or when istat0 is read.
@@ -427,9 +428,9 @@ static void lsi_update_irq(LSIState *s)
if (!level && lsi_irq_on_rsl(s) && !(s->scntl1 & LSI_SCNTL1_CON)) {
DPRINTF("Handled IRQs & disconnected, looking for pending "
"processes\n");
- for (i = 0; i < s->active_commands; i++) {
- if (s->queue[i].pending) {
- lsi_reselect(s, s->queue[i].tag);
+ QTAILQ_FOREACH(p, &s->queue, next) {
+ if (p->pending) {
+ lsi_reselect(s, p);
break;
}
}
@@ -508,15 +509,16 @@ static void lsi_do_dma(LSIState *s, int out)
uint32_t count;
target_phys_addr_t addr;
- if (!s->current_dma_len) {
+ assert(s->current);
+ if (!s->current->dma_len) {
/* Wait until data is available. */
DPRINTF("DMA no data available\n");
return;
}
count = s->dbc;
- if (count > s->current_dma_len)
- count = s->current_dma_len;
+ if (count > s->current->dma_len)
+ count = s->current->dma_len;
addr = s->dnad;
/* both 40 and Table Indirect 64-bit DMAs store upper bits in dnad64 */
@@ -532,29 +534,29 @@ static void lsi_do_dma(LSIState *s, int out)
s->dnad += count;
s->dbc -= count;
- if (s->dma_buf == NULL) {
- s->dma_buf = s->current_dev->info->get_buf(s->current_dev,
- s->current_tag);
+ if (s->current->dma_buf == NULL) {
+ s->current->dma_buf = s->current->dev->info->get_buf(s->current->dev,
+ s->current->tag);
}
/* ??? Set SFBR to first data byte. */
if (out) {
- cpu_physical_memory_read(addr, s->dma_buf, count);
+ cpu_physical_memory_read(addr, s->current->dma_buf, count);
} else {
- cpu_physical_memory_write(addr, s->dma_buf, count);
+ cpu_physical_memory_write(addr, s->current->dma_buf, count);
}
- s->current_dma_len -= count;
- if (s->current_dma_len == 0) {
- s->dma_buf = NULL;
+ s->current->dma_len -= count;
+ if (s->current->dma_len == 0) {
+ s->current->dma_buf = NULL;
if (out) {
/* Write the data. */
- s->current_dev->info->write_data(s->current_dev, s->current_tag);
+ s->current->dev->info->write_data(s->current->dev, s->current->tag);
} else {
/* Request any remaining data. */
- s->current_dev->info->read_data(s->current_dev, s->current_tag);
+ s->current->dev->info->read_data(s->current->dev, s->current->tag);
}
} else {
- s->dma_buf += count;
+ s->current->dma_buf += count;
lsi_resume_script(s);
}
}
@@ -563,15 +565,14 @@ static void lsi_do_dma(LSIState *s, int out)
/* Add a command to the queue. */
static void lsi_queue_command(LSIState *s)
{
- lsi_queue *p;
+ lsi_request *p = s->current;
DPRINTF("Queueing tag=0x%x\n", s->current_tag);
- if (s->queue_len == s->active_commands) {
- s->queue_len++;
- s->queue = qemu_realloc(s->queue, s->queue_len * sizeof(lsi_queue));
- }
- p = &s->queue[s->active_commands++];
- p->tag = s->current_tag;
+ assert(s->current != NULL);
+ assert(s->current->dma_len == 0);
+ QTAILQ_INSERT_TAIL(&s->queue, s->current, next);
+ s->current = NULL;
+
p->pending = 0;
p->out = (s->sstat1 & PHASE_MASK) == PHASE_DO;
}
@@ -588,45 +589,29 @@ static void lsi_add_msg_byte(LSIState *s, uint8_t data)
}
/* Perform reselection to continue a command. */
-static void lsi_reselect(LSIState *s, uint32_t tag)
+static void lsi_reselect(LSIState *s, lsi_request *p)
{
- lsi_queue *p;
- int n;
int id;
- p = NULL;
- for (n = 0; n < s->active_commands; n++) {
- p = &s->queue[n];
- if (p->tag == tag)
- break;
- }
- if (n == s->active_commands) {
- BADF("Reselected non-existant command tag=0x%x\n", tag);
- return;
- }
- id = (tag >> 8) & 0xf;
+ assert(s->current == NULL);
+ QTAILQ_REMOVE(&s->queue, p, next);
+ s->current = p;
+
+ id = (p->tag >> 8) & 0xf;
s->ssid = id | 0x80;
/* LSI53C700 Family Compatibility, see LSI53C895A 4-73 */
if (!s->dcntl & LSI_DCNTL_COM) {
s->sfbr = 1 << (id & 0x7);
}
DPRINTF("Reselected target %d\n", id);
- s->current_dev = s->bus.devs[id];
- s->current_tag = tag;
s->scntl1 |= LSI_SCNTL1_CON;
lsi_set_phase(s, PHASE_MI);
s->msg_action = p->out ? 2 : 3;
- s->current_dma_len = p->pending;
- s->dma_buf = NULL;
+ s->current->dma_len = p->pending;
lsi_add_msg_byte(s, 0x80);
- if (s->current_tag & LSI_TAG_VALID) {
+ if (s->current->tag & LSI_TAG_VALID) {
lsi_add_msg_byte(s, 0x20);
- lsi_add_msg_byte(s, tag & 0xff);
- }
-
- s->active_commands--;
- if (n != s->active_commands) {
- s->queue[n] = s->queue[s->active_commands];
+ lsi_add_msg_byte(s, p->tag & 0xff);
}
if (lsi_irq_on_rsl(s)) {
@@ -638,10 +623,9 @@ static void lsi_reselect(LSIState *s, uint32_t tag)
the device was reselected, nonzero if the IO is deferred. */
static int lsi_queue_tag(LSIState *s, uint32_t tag, uint32_t arg)
{
- lsi_queue *p;
- int i;
- for (i = 0; i < s->active_commands; i++) {
- p = &s->queue[i];
+ lsi_request *p;
+
+ QTAILQ_FOREACH(p, &s->queue, next) {
if (p->tag == tag) {
if (p->pending) {
BADF("Multiple IO pending for tag %d\n", tag);
@@ -656,10 +640,10 @@ static int lsi_queue_tag(LSIState *s, uint32_t tag, uint32_t arg)
(lsi_irq_on_rsl(s) && !(s->scntl1 & LSI_SCNTL1_CON) &&
!(s->istat0 & (LSI_ISTAT0_SIP | LSI_ISTAT0_DIP)))) {
/* Reselect device. */
- lsi_reselect(s, tag);
+ lsi_reselect(s, p);
return 0;
} else {
- DPRINTF("Queueing IO tag=0x%x\n", tag);
+ DPRINTF("Queueing IO tag=0x%x\n", tag);
p->pending = arg;
return 1;
}
@@ -687,11 +671,15 @@ static void lsi_command_complete(SCSIBus *bus, int reason, uint32_t tag,
} else {
lsi_set_phase(s, PHASE_ST);
}
+
+ qemu_free(s->current);
+ s->current = NULL;
+
lsi_resume_script(s);
return;
}
- if (s->waiting == 1 || tag != s->current_tag ||
+ if (s->waiting == 1 || !s->current || tag != s->current->tag ||
(lsi_irq_on_rsl(s) && !(s->scntl1 & LSI_SCNTL1_CON))) {
if (lsi_queue_tag(s, tag, arg))
return;
@@ -699,7 +687,7 @@ static void lsi_command_complete(SCSIBus *bus, int reason, uint32_t tag,
/* host adapter (re)connected */
DPRINTF("Data ready tag=0x%x len=%d\n", tag, arg);
- s->current_dma_len = arg;
+ s->current->dma_len = arg;
s->command_complete = 1;
if (!s->waiting)
return;
@@ -721,14 +709,20 @@ static void lsi_do_command(LSIState *s)
cpu_physical_memory_read(s->dnad, buf, s->dbc);
s->sfbr = buf[0];
s->command_complete = 0;
- n = s->current_dev->info->send_command(s->current_dev, s->current_tag, buf,
- s->current_lun);
+
+ assert(s->current == NULL);
+ s->current = qemu_mallocz(sizeof(lsi_request));
+ s->current->tag = s->select_tag;
+ s->current->dev = s->select_dev;
+
+ n = s->current->dev->info->send_command(s->current->dev, s->current->tag, buf,
+ s->current_lun);
if (n > 0) {
lsi_set_phase(s, PHASE_DI);
- s->current_dev->info->read_data(s->current_dev, s->current_tag);
+ s->current->dev->info->read_data(s->current->dev, s->current->tag);
} else if (n < 0) {
lsi_set_phase(s, PHASE_DO);
- s->current_dev->info->write_data(s->current_dev, s->current_tag);
+ s->current->dev->info->write_data(s->current->dev, s->current->tag);
}
if (!s->command_complete) {
@@ -851,16 +845,16 @@ static void lsi_do_msgout(LSIState *s)
}
break;
case 0x20: /* SIMPLE queue */
- s->current_tag |= lsi_get_msgbyte(s) | LSI_TAG_VALID;
+ s->select_tag |= lsi_get_msgbyte(s) | LSI_TAG_VALID;
DPRINTF("SIMPLE queue tag=0x%x\n", s->current_tag & 0xff);
break;
case 0x21: /* HEAD of queue */
BADF("HEAD queue not implemented\n");
- s->current_tag |= lsi_get_msgbyte(s) | LSI_TAG_VALID;
+ s->select_tag |= lsi_get_msgbyte(s) | LSI_TAG_VALID;
break;
case 0x22: /* ORDERED queue */
BADF("ORDERED queue not implemented\n");
- s->current_tag |= lsi_get_msgbyte(s) | LSI_TAG_VALID;
+ s->select_tag |= lsi_get_msgbyte(s) | LSI_TAG_VALID;
break;
default:
if ((msg & 0x80) == 0) {
@@ -905,17 +899,17 @@ static void lsi_memcpy(LSIState *s, uint32_t dest, uint32_t src, int count)
static void lsi_wait_reselect(LSIState *s)
{
- int i;
+ lsi_request *p;
+
DPRINTF("Wait Reselect\n");
- if (s->current_dma_len)
- BADF("Reselect with pending DMA\n");
- for (i = 0; i < s->active_commands; i++) {
- if (s->queue[i].pending) {
- lsi_reselect(s, s->queue[i].tag);
+
+ QTAILQ_FOREACH(p, &s->queue, next) {
+ if (p->pending) {
+ lsi_reselect(s, p);
break;
}
}
- if (s->current_dma_len == 0) {
+ if (s->current == NULL) {
s->waiting = 1;
}
}
@@ -1093,8 +1087,8 @@ again:
/* ??? Linux drivers compain when this is set. Maybe
it only applies in low-level mode (unimplemented).
lsi_script_scsi_interrupt(s, LSI_SIST0_CMP, 0); */
- s->current_dev = s->bus.devs[id];
- s->current_tag = id << 8;
+ s->select_dev = s->bus.devs[id];
+ s->select_tag = id << 8;
s->scntl1 |= LSI_SCNTL1_CON;
if (insn & (1 << 3)) {
s->socl |= LSI_SOCL_ATN;
@@ -2006,9 +2000,11 @@ static void lsi_pre_save(void *opaque)
{
LSIState *s = opaque;
- assert(s->dma_buf == NULL);
- assert(s->current_dma_len == 0);
- assert(s->active_commands == 0);
+ if (s->current) {
+ assert(s->current->dma_buf == NULL);
+ assert(s->current->dma_len == 0);
+ }
+ assert(QTAILQ_EMPTY(&s->queue));
}
static const VMStateDescription vmstate_lsi_scsi = {
@@ -2101,8 +2097,6 @@ static int lsi_scsi_uninit(PCIDevice *d)
cpu_unregister_io_memory(s->mmio_io_addr);
cpu_unregister_io_memory(s->ram_io_addr);
- qemu_free(s->queue);
-
return 0;
}
@@ -2138,9 +2132,7 @@ static int lsi_scsi_init(PCIDevice *dev)
PCI_BASE_ADDRESS_SPACE_MEMORY, lsi_mmio_mapfunc);
pci_register_bar((struct PCIDevice *)s, 2, 0x2000,
PCI_BASE_ADDRESS_SPACE_MEMORY, lsi_ram_mapfunc);
- s->queue = qemu_malloc(sizeof(lsi_queue));
- s->queue_len = 1;
- s->active_commands = 0;
+ QTAILQ_INIT(&s->queue);
lsi_soft_reset(s);
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index b34fbaa67..a79201213 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -434,7 +434,9 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
memcpy(&outbuf[16], "QEMU HARDDISK ", 16);
}
memcpy(&outbuf[8], "QEMU ", 8);
- memcpy(&outbuf[32], s->version ? s->version : QEMU_VERSION, 4);
+ memset(&outbuf[32], 0, 4);
+ memcpy(&outbuf[32], s->version ? s->version : QEMU_VERSION,
+ MIN(4, strlen(s->version ? s->version : QEMU_VERSION)));
/* Identify device as SCSI-3 rev 1.
Some later commands are also implemented. */
outbuf[2] = 3;
diff --git a/hw/sh7750.c b/hw/sh7750.c
index 933bbc0c7..9c39f4b68 100644
--- a/hw/sh7750.c
+++ b/hw/sh7750.c
@@ -396,8 +396,11 @@ static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
portb_changed(s, temp);
return;
case SH7750_MMUCR_A7:
- s->cpu->mmucr = mem_value;
- return;
+ if (mem_value & MMUCR_TI) {
+ cpu_sh4_invalidate_tlb(s->cpu);
+ }
+ s->cpu->mmucr = mem_value & ~MMUCR_TI;
+ return;
case SH7750_PTEH_A7:
/* If asid changes, clear all registered tlb entries. */
if ((s->cpu->pteh & 0xff) != (mem_value & 0xff))
diff --git a/hw/sh_pci.c b/hw/sh_pci.c
index abe4c7568..441879a9d 100644
--- a/hw/sh_pci.c
+++ b/hw/sh_pci.c
@@ -47,10 +47,15 @@ static void sh_pci_reg_write (void *p, target_phys_addr_t addr, uint32_t val)
pcic->par = val;
break;
case 0x1c4:
- pcic->mbr = val;
+ pcic->mbr = val & 0xff000001;
break;
case 0x1c8:
- pcic->iobr = val;
+ if ((val & 0xfffc0000) != (pcic->iobr & 0xfffc0000)) {
+ cpu_register_physical_memory(pcic->iobr & 0xfffc0000, 0x40000,
+ IO_MEM_UNASSIGNED);
+ pcic->iobr = val & 0xfffc0001;
+ isa_mmio_init(pcic->iobr & 0xfffc0000, 0x40000);
+ }
break;
case 0x220:
pci_data_write(pcic->bus, pcic->par, val, 4);
@@ -66,89 +71,16 @@ static uint32_t sh_pci_reg_read (void *p, target_phys_addr_t addr)
return le32_to_cpup((uint32_t*)(pcic->dev->config + addr));
case 0x1c0:
return pcic->par;
+ case 0x1c4:
+ return pcic->mbr;
+ case 0x1c8:
+ return pcic->iobr;
case 0x220:
return pci_data_read(pcic->bus, pcic->par, 4);
}
return 0;
}
-static void sh_pci_data_write (SHPCIC *pcic, target_phys_addr_t addr,
- uint32_t val, int size)
-{
- pci_data_write(pcic->bus, addr + pcic->mbr, val, size);
-}
-
-static uint32_t sh_pci_mem_read (SHPCIC *pcic, target_phys_addr_t addr,
- int size)
-{
- return pci_data_read(pcic->bus, addr + pcic->mbr, size);
-}
-
-static void sh_pci_writeb (void *p, target_phys_addr_t addr, uint32_t val)
-{
- sh_pci_data_write(p, addr, val, 1);
-}
-
-static void sh_pci_writew (void *p, target_phys_addr_t addr, uint32_t val)
-{
- sh_pci_data_write(p, addr, val, 2);
-}
-
-static void sh_pci_writel (void *p, target_phys_addr_t addr, uint32_t val)
-{
- sh_pci_data_write(p, addr, val, 4);
-}
-
-static uint32_t sh_pci_readb (void *p, target_phys_addr_t addr)
-{
- return sh_pci_mem_read(p, addr, 1);
-}
-
-static uint32_t sh_pci_readw (void *p, target_phys_addr_t addr)
-{
- return sh_pci_mem_read(p, addr, 2);
-}
-
-static uint32_t sh_pci_readl (void *p, target_phys_addr_t addr)
-{
- return sh_pci_mem_read(p, addr, 4);
-}
-
-static int sh_pci_addr2port(SHPCIC *pcic, target_phys_addr_t addr)
-{
- return addr + pcic->iobr;
-}
-
-static void sh_pci_outb (void *p, target_phys_addr_t addr, uint32_t val)
-{
- cpu_outb(sh_pci_addr2port(p, addr), val);
-}
-
-static void sh_pci_outw (void *p, target_phys_addr_t addr, uint32_t val)
-{
- cpu_outw(sh_pci_addr2port(p, addr), val);
-}
-
-static void sh_pci_outl (void *p, target_phys_addr_t addr, uint32_t val)
-{
- cpu_outl(sh_pci_addr2port(p, addr), val);
-}
-
-static uint32_t sh_pci_inb (void *p, target_phys_addr_t addr)
-{
- return cpu_inb(sh_pci_addr2port(p, addr));
-}
-
-static uint32_t sh_pci_inw (void *p, target_phys_addr_t addr)
-{
- return cpu_inw(sh_pci_addr2port(p, addr));
-}
-
-static uint32_t sh_pci_inl (void *p, target_phys_addr_t addr)
-{
- return cpu_inl(sh_pci_addr2port(p, addr));
-}
-
typedef struct {
CPUReadMemoryFunc * const r[3];
CPUWriteMemoryFunc * const w[3];
@@ -159,21 +91,11 @@ static MemOp sh_pci_reg = {
{ NULL, NULL, sh_pci_reg_write },
};
-static MemOp sh_pci_mem = {
- { sh_pci_readb, sh_pci_readw, sh_pci_readl },
- { sh_pci_writeb, sh_pci_writew, sh_pci_writel },
-};
-
-static MemOp sh_pci_iop = {
- { sh_pci_inb, sh_pci_inw, sh_pci_inl },
- { sh_pci_outb, sh_pci_outw, sh_pci_outl },
-};
-
PCIBus *sh_pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
void *opaque, int devfn_min, int nirq)
{
SHPCIC *p;
- int mem, reg, iop;
+ int reg;
p = qemu_mallocz(sizeof(SHPCIC));
p->bus = pci_register_bus(NULL, "pci",
@@ -182,14 +104,11 @@ PCIBus *sh_pci_register_bus(pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
p->dev = pci_register_device(p->bus, "SH PCIC", sizeof(PCIDevice),
-1, NULL, NULL);
reg = cpu_register_io_memory(sh_pci_reg.r, sh_pci_reg.w, p);
- iop = cpu_register_io_memory(sh_pci_iop.r, sh_pci_iop.w, p);
- mem = cpu_register_io_memory(sh_pci_mem.r, sh_pci_mem.w, p);
cpu_register_physical_memory(0x1e200000, 0x224, reg);
- cpu_register_physical_memory(0x1e240000, 0x40000, iop);
- cpu_register_physical_memory(0x1d000000, 0x1000000, mem);
cpu_register_physical_memory(0xfe200000, 0x224, reg);
- cpu_register_physical_memory(0xfe240000, 0x40000, iop);
- cpu_register_physical_memory(0xfd000000, 0x1000000, mem);
+
+ p->iobr = 0xfe240000;
+ isa_mmio_init(p->iobr, 0x40000);
pci_config_set_vendor_id(p->dev->config, PCI_VENDOR_ID_HITACHI);
pci_config_set_device_id(p->dev->config, PCI_DEVICE_ID_HITACHI_SH7751R);
diff --git a/hw/usb-uhci.c b/hw/usb-uhci.c
index dc52737ae..cfd77ebed 100644
--- a/hw/usb-uhci.c
+++ b/hw/usb-uhci.c
@@ -677,9 +677,6 @@ static int uhci_complete_td(UHCIState *s, UHCI_TD *td, UHCIAsync *async, uint32_
ret = async->packet.len;
- if (td->ctrl & TD_CTRL_IOC)
- *int_mask |= 0x01;
-
if (td->ctrl & TD_CTRL_IOS)
td->ctrl &= ~TD_CTRL_ACTIVE;
@@ -693,6 +690,8 @@ static int uhci_complete_td(UHCIState *s, UHCI_TD *td, UHCIAsync *async, uint32_
here. The docs are somewhat unclear, but win2k relies on this
behavior. */
td->ctrl &= ~(TD_CTRL_ACTIVE | TD_CTRL_NAK);
+ if (td->ctrl & TD_CTRL_IOC)
+ *int_mask |= 0x01;
if (pid == USB_TOKEN_IN) {
if (len > max_len) {
@@ -750,6 +749,8 @@ out:
if (err == 0) {
td->ctrl &= ~TD_CTRL_ACTIVE;
s->status |= UHCI_STS_USBERR;
+ if (td->ctrl & TD_CTRL_IOC)
+ *int_mask |= 0x01;
uhci_update_irq(s);
}
}
diff --git a/json-parser.c b/json-parser.c
index 2ab6f6c11..3497cd365 100644
--- a/json-parser.c
+++ b/json-parser.c
@@ -266,7 +266,7 @@ static int parse_pair(JSONParserContext *ctxt, QDict *dict, QList **tokens, va_l
peek = qlist_peek(working);
key = parse_value(ctxt, &working, ap);
- if (qobject_type(key) != QTYPE_QSTRING) {
+ if (!key || qobject_type(key) != QTYPE_QSTRING) {
parse_error(ctxt, peek, "key is not a string in object");
goto out;
}
diff --git a/linux-user/main.c b/linux-user/main.c
index e51539eff..802bd8852 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -2684,7 +2684,7 @@ int main(int argc, char **argv, char **envp)
#endif
#elif defined(TARGET_PPC)
#ifdef TARGET_PPC64
- cpu_model = "970";
+ cpu_model = "970fx";
#else
cpu_model = "750";
#endif
diff --git a/net.c b/net.c
index 029b0d79b..28b6b43a9 100644
--- a/net.c
+++ b/net.c
@@ -1187,26 +1187,6 @@ void net_host_device_remove(Monitor *mon, const QDict *qdict)
qemu_del_vlan_client(vc);
}
-void net_set_boot_mask(int net_boot_mask)
-{
- int i;
-
- /* Only the first four NICs may be bootable */
- net_boot_mask = net_boot_mask & 0xF;
-
- for (i = 0; i < nb_nics; i++) {
- if (net_boot_mask & (1 << i)) {
- nd_table[i].bootable = 1;
- net_boot_mask &= ~(1 << i);
- }
- }
-
- if (net_boot_mask) {
- fprintf(stderr, "Cannot boot from non-existent NIC\n");
- exit(1);
- }
-}
-
void do_info_network(Monitor *mon)
{
VLANState *vlan;
diff --git a/net.h b/net.h
index 673b3554d..209431dd0 100644
--- a/net.h
+++ b/net.h
@@ -163,7 +163,6 @@ int net_client_parse(QemuOptsList *opts_list, const char *str);
int net_init_clients(void);
void net_check_clients(void);
void net_cleanup(void);
-void net_set_boot_mask(int boot_mask);
void net_host_device_add(Monitor *mon, const QDict *qdict);
void net_host_device_remove(Monitor *mon, const QDict *qdict);
diff --git a/qemu-char.c b/qemu-char.c
index 5a1b535bd..30f39caae 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2317,8 +2317,7 @@ QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename)
qemu_opt_set(opts, "backend", "udp");
if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) {
host[0] = 0;
- if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) {
- fprintf(stderr, "udp #1\n");
+ if (sscanf(p, ":%32[^@,]%n", port, &pos) < 1) {
goto fail;
}
}
@@ -2329,7 +2328,6 @@ QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename)
if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) {
host[0] = 0;
if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) {
- fprintf(stderr, "udp #2\n");
goto fail;
}
}
@@ -2357,7 +2355,6 @@ QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename)
}
fail:
- fprintf(stderr, "%s: fail on \"%s\"\n", __FUNCTION__, filename);
qemu_opts_del(opts);
return NULL;
}
diff --git a/qemu-common.h b/qemu-common.h
index 1c5c0b222..b604ddfa0 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -54,6 +54,10 @@ struct iovec {
void *iov_base;
size_t iov_len;
};
+/*
+ * Use the same value as Linux for now.
+ */
+#define IOV_MAX 1024
#else
#include <sys/uio.h>
#endif
diff --git a/qemu-options.hx b/qemu-options.hx
index e2fbebd9b..65bb11115 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -969,7 +969,7 @@ the guest, use the following:
@example
# on the host
-qemu -net user,hostfwd=tcp:5555::23 [...]
+qemu -net user,hostfwd=tcp::5555-:23 [...]
telnet localhost 5555
@end example
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 511a4eae9..3de65bd1d 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -2047,8 +2047,8 @@ static void gen_lea_modrm(DisasContext *s, int modrm, int *reg_ptr, int *offset_
gen_op_movl_A0_im(disp);
}
}
- /* XXX: index == 4 is always invalid */
- if (havesib && (index != 4 || scale != 0)) {
+ /* index == 4 means no index */
+ if (havesib && (index != 4)) {
#ifdef TARGET_X86_64
if (s->aflag == 2) {
gen_op_addq_A0_reg_sN(scale, index);
@@ -3165,12 +3165,17 @@ static void gen_sse(DisasContext *s, int b, target_ulong pc_start, int rex_r)
case 0x1e7: /* movntdq */
case 0x02b: /* movntps */
case 0x12b: /* movntps */
- case 0x3f0: /* lddqu */
if (mod == 3)
goto illegal_op;
gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
break;
+ case 0x3f0: /* lddqu */
+ if (mod == 3)
+ goto illegal_op;
+ gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
+ gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg]));
+ break;
case 0x22b: /* movntss */
case 0x32b: /* movntsd */
if (mod == 3)
@@ -4591,9 +4596,7 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
/* operand size for jumps is 64 bit */
ot = OT_QUAD;
} else if (op == 3 || op == 5) {
- /* for call calls, the operand is 16 or 32 bit, even
- in long mode */
- ot = dflag ? OT_LONG : OT_WORD;
+ ot = dflag ? OT_LONG + (rex_w == 1) : OT_WORD;
} else if (op == 6) {
/* default push size is 64 bit */
ot = dflag ? OT_QUAD : OT_WORD;
diff --git a/target-sh4/cpu.h b/target-sh4/cpu.h
index 366e7986e..015d59845 100644
--- a/target-sh4/cpu.h
+++ b/target-sh4/cpu.h
@@ -167,6 +167,7 @@ int cpu_sh4_handle_mmu_fault(CPUSH4State * env, target_ulong address, int rw,
void do_interrupt(CPUSH4State * env);
void sh4_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
+void cpu_sh4_invalidate_tlb(CPUSH4State *s);
void cpu_sh4_write_mmaped_utlb_addr(CPUSH4State *s, target_phys_addr_t addr,
uint32_t mem_value);
@@ -222,6 +223,7 @@ enum {
/* MMU control register */
#define MMUCR 0x1F000010
#define MMUCR_AT (1<<0)
+#define MMUCR_TI (1<<2)
#define MMUCR_SV (1<<8)
#define MMUCR_URC_BITS (6)
#define MMUCR_URC_OFFSET (10)
diff --git a/target-sh4/helper.c b/target-sh4/helper.c
index 088d36a5f..29b681398 100644
--- a/target-sh4/helper.c
+++ b/target-sh4/helper.c
@@ -377,7 +377,7 @@ static int get_mmu_address(CPUState * env, target_ulong * physical,
n = find_itlb_entry(env, address, use_asid, 1);
if (n >= 0) {
matching = &env->itlb[n];
- if ((env->sr & SR_MD) & !(matching->pr & 2))
+ if (!(env->sr & SR_MD) && !(matching->pr & 2))
n = MMU_ITLB_VIOLATION;
else
*prot = PAGE_READ;
@@ -430,7 +430,7 @@ static int get_physical_address(CPUState * env, target_ulong * physical,
if ((address >= 0x80000000 && address < 0xc0000000) ||
address >= 0xe0000000) {
if (!(env->sr & SR_MD)
- && (address < 0xe0000000 || address > 0xe4000000)) {
+ && (address < 0xe0000000 || address >= 0xe4000000)) {
/* Unauthorized access in user mode (only store queues are available) */
fprintf(stderr, "Unauthorized access\n");
if (rw == 0)
@@ -574,6 +574,24 @@ void cpu_load_tlb(CPUSH4State * env)
entry->tc = (uint8_t)cpu_ptea_tc(env->ptea);
}
+ void cpu_sh4_invalidate_tlb(CPUSH4State *s)
+{
+ int i;
+
+ /* UTLB */
+ for (i = 0; i < UTLB_SIZE; i++) {
+ tlb_t * entry = &s->utlb[i];
+ entry->v = 0;
+ }
+ /* ITLB */
+ for (i = 0; i < UTLB_SIZE; i++) {
+ tlb_t * entry = &s->utlb[i];
+ entry->v = 0;
+ }
+
+ tlb_flush(s, 1);
+}
+
void cpu_sh4_write_mmaped_utlb_addr(CPUSH4State *s, target_phys_addr_t addr,
uint32_t mem_value)
{
diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index 895b978d3..7f9527a83 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -1905,7 +1905,7 @@ gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb,
ctx.bstate = BS_NONE;
ctx.sr = env->sr;
ctx.fpscr = env->fpscr;
- ctx.memidx = (env->sr & SR_MD) ? 1 : 0;
+ ctx.memidx = (env->sr & SR_MD) == 0 ? 1 : 0;
/* We don't know if the delayed pc came from a dynamic or static branch,
so assume it is a dynamic branch. */
ctx.delayed_pc = -1; /* use delayed pc from env pointer */
diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index f8d626d02..81f533f73 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -1697,12 +1697,15 @@ static inline void tcg_out_movi(TCGContext *s, TCGType type,
void tcg_target_qemu_prologue(TCGContext *s)
{
- /* stmdb sp!, { r9 - r11, lr } */
- tcg_out32(s, (COND_AL << 28) | 0x092d4e00);
+ /* Theoretically there is no need to save r12, but an
+ even number of registers to be saved as per EABI */
+
+ /* stmdb sp!, { r4 - r12, lr } */
+ tcg_out32(s, (COND_AL << 28) | 0x092d5ff0);
tcg_out_bx(s, COND_AL, TCG_REG_R0);
tb_ret_addr = s->code_ptr;
- /* ldmia sp!, { r9 - r11, pc } */
- tcg_out32(s, (COND_AL << 28) | 0x08bd8e00);
+ /* ldmia sp!, { r4 - r12, pc } */
+ tcg_out32(s, (COND_AL << 28) | 0x08bd9ff0);
}
diff --git a/tcg/mips/tcg-target.c b/tcg/mips/tcg-target.c
index 807b8fdfa..79ba9a662 100644
--- a/tcg/mips/tcg-target.c
+++ b/tcg/mips/tcg-target.c
@@ -340,6 +340,17 @@ static inline void tcg_out_opc_imm(TCGContext *s, int opc, int rt, int rs, int i
}
/*
+ * Type branch
+ */
+static inline void tcg_out_opc_br(TCGContext *s, int opc, int rt, int rs)
+{
+ /* We need to keep the offset unchanged for retranslation */
+ uint16_t offset = (uint16_t)(*(uint32_t *) &s->code_ptr);
+
+ tcg_out_opc_imm(s, opc, rt, rs, offset);
+}
+
+/*
* Type sa
*/
static inline void tcg_out_opc_sa(TCGContext *s, int opc, int rd, int rt, int sa)
@@ -469,42 +480,42 @@ static void tcg_out_brcond(TCGContext *s, int cond, int arg1,
switch (cond) {
case TCG_COND_EQ:
- tcg_out_opc_imm(s, OPC_BEQ, arg1, arg2, 0);
+ tcg_out_opc_br(s, OPC_BEQ, arg1, arg2);
break;
case TCG_COND_NE:
- tcg_out_opc_imm(s, OPC_BNE, arg1, arg2, 0);
+ tcg_out_opc_br(s, OPC_BNE, arg1, arg2);
break;
case TCG_COND_LT:
tcg_out_opc_reg(s, OPC_SLT, TCG_REG_AT, arg1, arg2);
- tcg_out_opc_imm(s, OPC_BNE, TCG_REG_AT, TCG_REG_ZERO, 0);
+ tcg_out_opc_br(s, OPC_BNE, TCG_REG_AT, TCG_REG_ZERO);
break;
case TCG_COND_LTU:
tcg_out_opc_reg(s, OPC_SLTU, TCG_REG_AT, arg1, arg2);
- tcg_out_opc_imm(s, OPC_BNE, TCG_REG_AT, TCG_REG_ZERO, 0);
+ tcg_out_opc_br(s, OPC_BNE, TCG_REG_AT, TCG_REG_ZERO);
break;
case TCG_COND_GE:
tcg_out_opc_reg(s, OPC_SLT, TCG_REG_AT, arg1, arg2);
- tcg_out_opc_imm(s, OPC_BEQ, TCG_REG_AT, TCG_REG_ZERO, 0);
+ tcg_out_opc_br(s, OPC_BEQ, TCG_REG_AT, TCG_REG_ZERO);
break;
case TCG_COND_GEU:
tcg_out_opc_reg(s, OPC_SLTU, TCG_REG_AT, arg1, arg2);
- tcg_out_opc_imm(s, OPC_BEQ, TCG_REG_AT, TCG_REG_ZERO, 0);
+ tcg_out_opc_br(s, OPC_BEQ, TCG_REG_AT, TCG_REG_ZERO);
break;
case TCG_COND_LE:
tcg_out_opc_reg(s, OPC_SLT, TCG_REG_AT, arg2, arg1);
- tcg_out_opc_imm(s, OPC_BEQ, TCG_REG_AT, TCG_REG_ZERO, 0);
+ tcg_out_opc_br(s, OPC_BEQ, TCG_REG_AT, TCG_REG_ZERO);
break;
case TCG_COND_LEU:
tcg_out_opc_reg(s, OPC_SLTU, TCG_REG_AT, arg2, arg1);
- tcg_out_opc_imm(s, OPC_BEQ, TCG_REG_AT, TCG_REG_ZERO, 0);
+ tcg_out_opc_br(s, OPC_BEQ, TCG_REG_AT, TCG_REG_ZERO);
break;
case TCG_COND_GT:
tcg_out_opc_reg(s, OPC_SLT, TCG_REG_AT, arg2, arg1);
- tcg_out_opc_imm(s, OPC_BNE, TCG_REG_AT, TCG_REG_ZERO, 0);
+ tcg_out_opc_br(s, OPC_BNE, TCG_REG_AT, TCG_REG_ZERO);
break;
case TCG_COND_GTU:
tcg_out_opc_reg(s, OPC_SLTU, TCG_REG_AT, arg2, arg1);
- tcg_out_opc_imm(s, OPC_BNE, TCG_REG_AT, TCG_REG_ZERO, 0);
+ tcg_out_opc_br(s, OPC_BNE, TCG_REG_AT, TCG_REG_ZERO);
break;
default:
tcg_abort();
@@ -553,7 +564,7 @@ static void tcg_out_brcond2(TCGContext *s, int cond, int arg1,
}
label_ptr = s->code_ptr;
- tcg_out_opc_imm(s, OPC_BNE, arg2, arg4, 0);
+ tcg_out_opc_br(s, OPC_BNE, arg2, arg4);
tcg_out_nop(s);
switch(cond) {
@@ -670,20 +681,20 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args,
# if TARGET_LONG_BITS == 64
label3_ptr = s->code_ptr;
- tcg_out_opc_imm(s, OPC_BNE, TCG_REG_T0, TCG_REG_AT, 0);
+ tcg_out_opc_br(s, OPC_BNE, TCG_REG_T0, TCG_REG_AT);
tcg_out_nop(s);
tcg_out_opc_imm(s, OPC_LW, TCG_REG_AT, TCG_REG_A0,
offsetof(CPUState, tlb_table[mem_index][0].addr_read) + addr_memh);
label1_ptr = s->code_ptr;
- tcg_out_opc_imm(s, OPC_BEQ, addr_regh, TCG_REG_AT, 0);
+ tcg_out_opc_br(s, OPC_BEQ, addr_regh, TCG_REG_AT);
tcg_out_nop(s);
reloc_pc16(label3_ptr, (tcg_target_long) s->code_ptr);
# else
label1_ptr = s->code_ptr;
- tcg_out_opc_imm(s, OPC_BEQ, TCG_REG_T0, TCG_REG_AT, 0);
+ tcg_out_opc_br(s, OPC_BEQ, TCG_REG_T0, TCG_REG_AT);
tcg_out_nop(s);
# endif
@@ -725,7 +736,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args,
}
label2_ptr = s->code_ptr;
- tcg_out_opc_imm(s, OPC_BEQ, TCG_REG_ZERO, TCG_REG_ZERO, 0);
+ tcg_out_opc_br(s, OPC_BEQ, TCG_REG_ZERO, TCG_REG_ZERO);
tcg_out_nop(s);
/* label1: fast path */
@@ -857,20 +868,20 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args,
# if TARGET_LONG_BITS == 64
label3_ptr = s->code_ptr;
- tcg_out_opc_imm(s, OPC_BNE, TCG_REG_T0, TCG_REG_AT, 0);
+ tcg_out_opc_br(s, OPC_BNE, TCG_REG_T0, TCG_REG_AT);
tcg_out_nop(s);
tcg_out_opc_imm(s, OPC_LW, TCG_REG_AT, TCG_REG_A0,
offsetof(CPUState, tlb_table[mem_index][0].addr_write) + addr_memh);
label1_ptr = s->code_ptr;
- tcg_out_opc_imm(s, OPC_BEQ, addr_regh, TCG_REG_AT, 0);
+ tcg_out_opc_br(s, OPC_BEQ, addr_regh, TCG_REG_AT);
tcg_out_nop(s);
reloc_pc16(label3_ptr, (tcg_target_long) s->code_ptr);
# else
label1_ptr = s->code_ptr;
- tcg_out_opc_imm(s, OPC_BEQ, TCG_REG_T0, TCG_REG_AT, 0);
+ tcg_out_opc_br(s, OPC_BEQ, TCG_REG_T0, TCG_REG_AT);
tcg_out_nop(s);
# endif
@@ -911,7 +922,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args,
tcg_out_nop(s);
label2_ptr = s->code_ptr;
- tcg_out_opc_imm(s, OPC_BEQ, TCG_REG_ZERO, TCG_REG_ZERO, 0);
+ tcg_out_opc_br(s, OPC_BEQ, TCG_REG_ZERO, TCG_REG_ZERO);
tcg_out_nop(s);
/* label1: fast path */
@@ -1262,7 +1273,9 @@ static const TCGTargetOpDef mips_op_defs[] = {
};
static int tcg_target_callee_save_regs[] = {
+#if 0 /* used for the global env (TCG_AREG0), so no need to save */
TCG_REG_S0,
+#endif
TCG_REG_S1,
TCG_REG_S2,
TCG_REG_S3,
@@ -1271,8 +1284,7 @@ static int tcg_target_callee_save_regs[] = {
TCG_REG_S6,
TCG_REG_S7,
TCG_REG_GP,
- /* TCG_REG_FP, */ /* currently used for the global env, so np
- need to save */
+ TCG_REG_FP,
TCG_REG_RA, /* should be last for ABI compliance */
};
diff --git a/tcg/mips/tcg-target.h b/tcg/mips/tcg-target.h
index 46760a50e..baae6d85c 100644
--- a/tcg/mips/tcg-target.h
+++ b/tcg/mips/tcg-target.h
@@ -92,9 +92,9 @@ enum {
#undef TCG_TARGET_HAS_ext16u_i32 /* andi rt, rs, 0xffff */
/* Note: must be synced with dyngen-exec.h */
-#define TCG_AREG0 TCG_REG_FP
-#define TCG_AREG1 TCG_REG_S0
-#define TCG_AREG2 TCG_REG_S1
+#define TCG_AREG0 TCG_REG_S0
+#define TCG_AREG1 TCG_REG_S1
+#define TCG_AREG2 TCG_REG_FP
#include <sys/cachectl.h>
diff --git a/vl.c b/vl.c
index 59f8084fa..fdee28916 100644
--- a/vl.c
+++ b/vl.c
@@ -2597,9 +2597,9 @@ static void numa_add(const char *optarg)
fprintf(stderr,
"only 63 CPUs in NUMA mode supported.\n");
}
- value = (1 << (endvalue + 1)) - (1 << value);
+ value = (2ULL << endvalue) - (1ULL << value);
} else {
- value = 1 << value;
+ value = 1ULL << value;
}
}
node_cpumask[nodenr] = value;
@@ -3515,6 +3515,8 @@ static int cpu_can_run(CPUState *env)
return 0;
if (env->stopped)
return 0;
+ if (!vm_running)
+ return 0;
return 1;
}
@@ -4909,7 +4911,7 @@ int main(int argc, char **argv, char **envp)
const char *gdbstub_dev = NULL;
uint32_t boot_devices_bitmap = 0;
int i;
- int snapshot, linux_boot, net_boot;
+ int snapshot, linux_boot;
const char *initrd_filename;
const char *kernel_filename, *kernel_cmdline;
char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
@@ -5428,6 +5430,9 @@ int main(int argc, char **argv, char **envp)
case QEMU_OPTION_serial:
add_device_config(DEV_SERIAL, optarg);
default_serial = 0;
+ if (strncmp(optarg, "mon:", 4) == 0) {
+ default_monitor = 0;
+ }
break;
case QEMU_OPTION_watchdog:
if (watchdog) {
@@ -5446,10 +5451,16 @@ int main(int argc, char **argv, char **envp)
case QEMU_OPTION_virtiocon:
add_device_config(DEV_VIRTCON, optarg);
default_virtcon = 0;
+ if (strncmp(optarg, "mon:", 4) == 0) {
+ default_monitor = 0;
+ }
break;
case QEMU_OPTION_parallel:
add_device_config(DEV_PARALLEL, optarg);
default_parallel = 0;
+ if (strncmp(optarg, "mon:", 4) == 0) {
+ default_monitor = 0;
+ }
break;
case QEMU_OPTION_loadvm:
loadvm = optarg;
@@ -5905,6 +5916,12 @@ int main(int argc, char **argv, char **envp)
fprintf(stderr, "Could not initialize KVM, will disable KVM support\n");
kvm_allowed = 0;
}
+ } else {
+ /* without kvm enabled, we can only support 4095 MB RAM */
+ if (ram_size > (4095UL << 20)) {
+ fprintf(stderr, "qemu: without kvm support at most 4095 MB RAM can be simulated\n");
+ exit(1);
+ }
}
if (qemu_init_main_loop()) {
@@ -5948,9 +5965,6 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
- net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
- net_set_boot_mask(net_boot);
-
/* init the bluetooth world */
if (foreach_device_config(DEV_BT, bt_parse))
exit(1);
diff --git a/vnc.c b/vnc.c
index a1f9c9293..8566a4ba1 100644
--- a/vnc.c
+++ b/vnc.c
@@ -1421,8 +1421,10 @@ static void pointer_event(VncState *vs, int button_mask, int x, int y)
dz = 1;
if (vs->absolute) {
- kbd_mouse_event(x * 0x7FFF / (ds_get_width(vs->ds) - 1),
- y * 0x7FFF / (ds_get_height(vs->ds) - 1),
+ kbd_mouse_event(ds_get_width(vs->ds) > 1 ?
+ x * 0x7FFF / (ds_get_width(vs->ds) - 1) : 0x4000,
+ ds_get_height(vs->ds) > 1 ?
+ y * 0x7FFF / (ds_get_height(vs->ds) - 1) : 0x4000,
dz, buttons);
} else if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE)) {
x -= 0x7FFF;