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-rw-r--r--system/cpu-timers.c1
-rw-r--r--system/cpus.c8
-rw-r--r--system/datadir.c5
-rw-r--r--system/dirtylimit.c4
-rw-r--r--system/dma-helpers.c2
-rw-r--r--system/ioport.c7
-rw-r--r--system/main.c17
-rw-r--r--system/memory-internal.h57
-rw-r--r--system/memory.c85
-rw-r--r--system/memory_mapping.c4
-rw-r--r--system/meson.build14
-rw-r--r--system/physmem.c99
-rw-r--r--system/qtest.c10
-rw-r--r--system/ram-block-attributes.c444
-rw-r--r--system/runstate.c100
-rw-r--r--system/trace-events3
-rw-r--r--system/vl.c19
-rw-r--r--system/watchpoint.c1
18 files changed, 751 insertions, 129 deletions
diff --git a/system/cpu-timers.c b/system/cpu-timers.c
index 23dd82b..cb35fa6 100644
--- a/system/cpu-timers.c
+++ b/system/cpu-timers.c
@@ -36,6 +36,7 @@
#include "hw/core/cpu.h"
#include "system/cpu-timers.h"
#include "system/cpu-timers-internal.h"
+#include "exec/icount.h"
/* clock and ticks */
diff --git a/system/cpus.c b/system/cpus.c
index 2cc5f88..d16b0df 100644
--- a/system/cpus.c
+++ b/system/cpus.c
@@ -299,14 +299,18 @@ static int do_vm_stop(RunState state, bool send_stop)
if (oldstate == RUN_STATE_RUNNING) {
pause_all_vcpus();
}
- vm_state_notify(0, state);
+ ret = vm_state_notify(0, state);
if (send_stop) {
qapi_event_send_stop();
}
}
bdrv_drain_all();
- ret = bdrv_flush_all();
+ /*
+ * Even if vm_state_notify() return failure,
+ * it would be better to flush as before.
+ */
+ ret |= bdrv_flush_all();
trace_vm_stop_flush_all(ret);
return ret;
diff --git a/system/datadir.c b/system/datadir.c
index c9237cb..f96f8fc 100644
--- a/system/datadir.c
+++ b/system/datadir.c
@@ -30,7 +30,7 @@
static const char *data_dir[16];
static int data_dir_idx;
-char *qemu_find_file(int type, const char *name)
+char *qemu_find_file(QemuFileType type, const char *name)
{
int i;
const char *subdir;
@@ -46,6 +46,9 @@ char *qemu_find_file(int type, const char *name)
case QEMU_FILE_TYPE_BIOS:
subdir = "";
break;
+ case QEMU_FILE_TYPE_DTB:
+ subdir = "dtb/";
+ break;
case QEMU_FILE_TYPE_KEYMAP:
subdir = "keymaps/";
break;
diff --git a/system/dirtylimit.c b/system/dirtylimit.c
index 7dedef8..b48c0d4 100644
--- a/system/dirtylimit.c
+++ b/system/dirtylimit.c
@@ -19,7 +19,7 @@
#include "system/dirtylimit.h"
#include "monitor/hmp.h"
#include "monitor/monitor.h"
-#include "exec/memory.h"
+#include "system/memory.h"
#include "exec/target_page.h"
#include "hw/boards.h"
#include "system/kvm.h"
@@ -337,8 +337,6 @@ static void dirtylimit_adjust_throttle(CPUState *cpu)
if (!dirtylimit_done(quota, current)) {
dirtylimit_set_throttle(cpu, quota, current);
}
-
- return;
}
void dirtylimit_process(void)
diff --git a/system/dma-helpers.c b/system/dma-helpers.c
index 6bad758..0d592f6 100644
--- a/system/dma-helpers.c
+++ b/system/dma-helpers.c
@@ -13,7 +13,7 @@
#include "trace.h"
#include "qemu/thread.h"
#include "qemu/main-loop.h"
-#include "system/cpu-timers.h"
+#include "exec/icount.h"
#include "qemu/range.h"
/* #define DEBUG_IOMMU */
diff --git a/system/ioport.c b/system/ioport.c
index 55c2a75..4f96e91 100644
--- a/system/ioport.c
+++ b/system/ioport.c
@@ -26,10 +26,9 @@
*/
#include "qemu/osdep.h"
-#include "cpu.h"
-#include "exec/ioport.h"
-#include "exec/memory.h"
-#include "exec/address-spaces.h"
+#include "system/ioport.h"
+#include "system/memory.h"
+#include "system/address-spaces.h"
#include "trace.h"
struct MemoryRegionPortioList {
diff --git a/system/main.c b/system/main.c
index ecb12fd..b8f7157 100644
--- a/system/main.c
+++ b/system/main.c
@@ -25,6 +25,7 @@
#include "qemu/osdep.h"
#include "qemu-main.h"
#include "qemu/main-loop.h"
+#include "system/replay.h"
#include "system/system.h"
#ifdef CONFIG_SDL
@@ -44,10 +45,12 @@ static void *qemu_default_main(void *opaque)
{
int status;
+ replay_mutex_lock();
bql_lock();
status = qemu_main_loop();
qemu_cleanup(status);
bql_unlock();
+ replay_mutex_unlock();
exit(status);
}
@@ -66,7 +69,21 @@ int (*qemu_main)(void) = os_darwin_cfrunloop_main;
int main(int argc, char **argv)
{
qemu_init(argc, argv);
+
+ /*
+ * qemu_init acquires the BQL and replay mutex lock. BQL is acquired when
+ * initializing cpus, to block associated threads until initialization is
+ * complete. Replay_mutex lock is acquired on initialization, because it
+ * must be held when configuring icount_mode.
+ *
+ * On MacOS, qemu main event loop runs in a background thread, as main
+ * thread must be reserved for UI. Thus, we need to transfer lock ownership,
+ * and the simplest way to do that is to release them, and reacquire them
+ * from qemu_default_main.
+ */
bql_unlock();
+ replay_mutex_unlock();
+
if (qemu_main) {
QemuThread main_loop_thread;
qemu_thread_create(&main_loop_thread, "qemu_main",
diff --git a/system/memory-internal.h b/system/memory-internal.h
new file mode 100644
index 0000000..46f758f
--- /dev/null
+++ b/system/memory-internal.h
@@ -0,0 +1,57 @@
+/*
+ * Declarations for functions which are internal to the memory subsystem.
+ *
+ * Copyright 2011 Red Hat, Inc. and/or its affiliates
+ *
+ * Authors:
+ * Avi Kivity <avi@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * later. See the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef MEMORY_INTERNAL_H
+#define MEMORY_INTERNAL_H
+
+#ifndef CONFIG_USER_ONLY
+static inline AddressSpaceDispatch *flatview_to_dispatch(FlatView *fv)
+{
+ return fv->dispatch;
+}
+
+static inline AddressSpaceDispatch *address_space_to_dispatch(AddressSpace *as)
+{
+ return flatview_to_dispatch(address_space_to_flatview(as));
+}
+
+FlatView *address_space_get_flatview(AddressSpace *as);
+void flatview_unref(FlatView *view);
+
+extern const MemoryRegionOps unassigned_mem_ops;
+
+void flatview_add_to_dispatch(FlatView *fv, MemoryRegionSection *section);
+AddressSpaceDispatch *address_space_dispatch_new(FlatView *fv);
+void address_space_dispatch_compact(AddressSpaceDispatch *d);
+void address_space_dispatch_free(AddressSpaceDispatch *d);
+
+void mtree_print_dispatch(struct AddressSpaceDispatch *d,
+ MemoryRegion *root);
+
+/* returns true if end is big endian. */
+static inline bool devend_big_endian(enum device_endian end)
+{
+ if (end == DEVICE_NATIVE_ENDIAN) {
+ return target_big_endian();
+ }
+ return end == DEVICE_BIG_ENDIAN;
+}
+
+/* enum device_endian to MemOp. */
+static inline MemOp devend_memop(enum device_endian end)
+{
+ return devend_big_endian(end) ? MO_BE : MO_LE;
+}
+
+#endif
+#endif
diff --git a/system/memory.c b/system/memory.c
index 4c82979..76b44b8 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -16,7 +16,7 @@
#include "qemu/osdep.h"
#include "qemu/log.h"
#include "qapi/error.h"
-#include "exec/memory.h"
+#include "system/memory.h"
#include "qapi/visitor.h"
#include "qemu/bitops.h"
#include "qemu/error-report.h"
@@ -24,16 +24,16 @@
#include "qemu/qemu-print.h"
#include "qom/object.h"
#include "trace.h"
-
-#include "exec/memory-internal.h"
-#include "exec/ram_addr.h"
+#include "system/ram_addr.h"
#include "system/kvm.h"
#include "system/runstate.h"
#include "system/tcg.h"
#include "qemu/accel.h"
#include "hw/boards.h"
#include "migration/vmstate.h"
-#include "exec/address-spaces.h"
+#include "system/address-spaces.h"
+
+#include "memory-internal.h"
//#define DEBUG_UNASSIGNED
@@ -353,15 +353,6 @@ static void flatview_simplify(FlatView *view)
}
}
-static bool memory_region_big_endian(MemoryRegion *mr)
-{
-#if TARGET_BIG_ENDIAN
- return mr->ops->endianness != DEVICE_LITTLE_ENDIAN;
-#else
- return mr->ops->endianness == DEVICE_BIG_ENDIAN;
-#endif
-}
-
static void adjust_endianness(MemoryRegion *mr, uint64_t *data, MemOp op)
{
if ((op & MO_BSWAP) != devend_memop(mr->ops->endianness)) {
@@ -563,7 +554,7 @@ static MemTxResult access_with_adjusted_size(hwaddr addr,
/* FIXME: support unaligned access? */
access_size = MAX(MIN(size, access_size_max), access_size_min);
access_mask = MAKE_64BIT_MASK(0, access_size * 8);
- if (memory_region_big_endian(mr)) {
+ if (devend_big_endian(mr->ops->endianness)) {
for (i = 0; i < size; i += access_size) {
r |= access_fn(mr, addr + i, value, access_size,
(size - access_size - i) * 8, access_mask, attrs);
@@ -1391,7 +1382,7 @@ static void memory_region_ram_device_write(void *opaque, hwaddr addr,
static const MemoryRegionOps ram_device_mem_ops = {
.read = memory_region_ram_device_read,
.write = memory_region_ram_device_write,
- .endianness = DEVICE_HOST_ENDIAN,
+ .endianness = HOST_BIG_ENDIAN ? DEVICE_BIG_ENDIAN : DEVICE_LITTLE_ENDIAN,
.valid = {
.min_access_size = 1,
.max_access_size = 8,
@@ -1636,7 +1627,7 @@ bool memory_region_init_resizeable_ram(MemoryRegion *mr,
return true;
}
-#ifdef CONFIG_POSIX
+#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN)
bool memory_region_init_ram_from_file(MemoryRegion *mr,
Object *owner,
const char *name,
@@ -2115,12 +2106,16 @@ RamDiscardManager *memory_region_get_ram_discard_manager(MemoryRegion *mr)
return mr->rdm;
}
-void memory_region_set_ram_discard_manager(MemoryRegion *mr,
- RamDiscardManager *rdm)
+int memory_region_set_ram_discard_manager(MemoryRegion *mr,
+ RamDiscardManager *rdm)
{
g_assert(memory_region_is_ram(mr));
- g_assert(!rdm || !mr->rdm);
+ if (mr->rdm && rdm) {
+ return -EBUSY;
+ }
+
mr->rdm = rdm;
+ return 0;
}
uint64_t ram_discard_manager_get_min_granularity(const RamDiscardManager *rdm,
@@ -2143,7 +2138,7 @@ bool ram_discard_manager_is_populated(const RamDiscardManager *rdm,
int ram_discard_manager_replay_populated(const RamDiscardManager *rdm,
MemoryRegionSection *section,
- ReplayRamPopulate replay_fn,
+ ReplayRamDiscardState replay_fn,
void *opaque)
{
RamDiscardManagerClass *rdmc = RAM_DISCARD_MANAGER_GET_CLASS(rdm);
@@ -2152,15 +2147,15 @@ int ram_discard_manager_replay_populated(const RamDiscardManager *rdm,
return rdmc->replay_populated(rdm, section, replay_fn, opaque);
}
-void ram_discard_manager_replay_discarded(const RamDiscardManager *rdm,
- MemoryRegionSection *section,
- ReplayRamDiscard replay_fn,
- void *opaque)
+int ram_discard_manager_replay_discarded(const RamDiscardManager *rdm,
+ MemoryRegionSection *section,
+ ReplayRamDiscardState replay_fn,
+ void *opaque)
{
RamDiscardManagerClass *rdmc = RAM_DISCARD_MANAGER_GET_CLASS(rdm);
g_assert(rdmc->replay_discarded);
- rdmc->replay_discarded(rdm, section, replay_fn, opaque);
+ return rdmc->replay_discarded(rdm, section, replay_fn, opaque);
}
void ram_discard_manager_register_listener(RamDiscardManager *rdm,
@@ -2183,18 +2178,14 @@ void ram_discard_manager_unregister_listener(RamDiscardManager *rdm,
}
/* Called with rcu_read_lock held. */
-bool memory_get_xlat_addr(IOMMUTLBEntry *iotlb, void **vaddr,
- ram_addr_t *ram_addr, bool *read_only,
- bool *mr_has_discard_manager, Error **errp)
+MemoryRegion *memory_translate_iotlb(IOMMUTLBEntry *iotlb, hwaddr *xlat_p,
+ Error **errp)
{
MemoryRegion *mr;
hwaddr xlat;
hwaddr len = iotlb->addr_mask + 1;
bool writable = iotlb->perm & IOMMU_WO;
- if (mr_has_discard_manager) {
- *mr_has_discard_manager = false;
- }
/*
* The IOMMU TLB entry we have just covers translation through
* this IOMMU to its immediate target. We need to translate
@@ -2204,7 +2195,7 @@ bool memory_get_xlat_addr(IOMMUTLBEntry *iotlb, void **vaddr,
&xlat, &len, writable, MEMTXATTRS_UNSPECIFIED);
if (!memory_region_is_ram(mr)) {
error_setg(errp, "iommu map to non memory area %" HWADDR_PRIx "", xlat);
- return false;
+ return NULL;
} else if (memory_region_has_ram_discard_manager(mr)) {
RamDiscardManager *rdm = memory_region_get_ram_discard_manager(mr);
MemoryRegionSection tmp = {
@@ -2212,9 +2203,6 @@ bool memory_get_xlat_addr(IOMMUTLBEntry *iotlb, void **vaddr,
.offset_within_region = xlat,
.size = int128_make64(len),
};
- if (mr_has_discard_manager) {
- *mr_has_discard_manager = true;
- }
/*
* Malicious VMs can map memory into the IOMMU, which is expected
* to remain discarded. vfio will pin all pages, populating memory.
@@ -2225,7 +2213,7 @@ bool memory_get_xlat_addr(IOMMUTLBEntry *iotlb, void **vaddr,
error_setg(errp, "iommu map to discarded memory (e.g., unplugged"
" via virtio-mem): %" HWADDR_PRIx "",
iotlb->translated_addr);
- return false;
+ return NULL;
}
}
@@ -2235,22 +2223,11 @@ bool memory_get_xlat_addr(IOMMUTLBEntry *iotlb, void **vaddr,
*/
if (len & iotlb->addr_mask) {
error_setg(errp, "iommu has granularity incompatible with target AS");
- return false;
- }
-
- if (vaddr) {
- *vaddr = memory_region_get_ram_ptr(mr) + xlat;
- }
-
- if (ram_addr) {
- *ram_addr = memory_region_get_ram_addr(mr) + xlat;
- }
-
- if (read_only) {
- *read_only = !writable || mr->readonly;
+ return NULL;
}
- return true;
+ *xlat_p = xlat;
+ return mr;
}
void memory_region_set_log(MemoryRegion *mr, bool log, unsigned client)
@@ -2584,7 +2561,8 @@ void memory_region_add_eventfd(MemoryRegion *mr,
unsigned i;
if (size) {
- adjust_endianness(mr, &mrfd.data, size_memop(size) | MO_TE);
+ MemOp mop = (target_big_endian() ? MO_BE : MO_LE) | size_memop(size);
+ adjust_endianness(mr, &mrfd.data, mop);
}
memory_region_transaction_begin();
for (i = 0; i < mr->ioeventfd_nb; ++i) {
@@ -2619,7 +2597,8 @@ void memory_region_del_eventfd(MemoryRegion *mr,
unsigned i;
if (size) {
- adjust_endianness(mr, &mrfd.data, size_memop(size) | MO_TE);
+ MemOp mop = (target_big_endian() ? MO_BE : MO_LE) | size_memop(size);
+ adjust_endianness(mr, &mrfd.data, mop);
}
memory_region_transaction_begin();
for (i = 0; i < mr->ioeventfd_nb; ++i) {
diff --git a/system/memory_mapping.c b/system/memory_mapping.c
index 37d3325..da708a0 100644
--- a/system/memory_mapping.c
+++ b/system/memory_mapping.c
@@ -16,8 +16,8 @@
#include "qapi/error.h"
#include "system/memory_mapping.h"
-#include "exec/memory.h"
-#include "exec/address-spaces.h"
+#include "system/memory.h"
+#include "system/address-spaces.h"
#include "hw/core/cpu.h"
//#define DEBUG_GUEST_PHYS_REGION_ADD
diff --git a/system/meson.build b/system/meson.build
index eec07a9..6d21ff9 100644
--- a/system/meson.build
+++ b/system/meson.build
@@ -1,12 +1,13 @@
specific_ss.add(when: 'CONFIG_SYSTEM_ONLY', if_true: [files(
'arch_init.c',
- 'ioport.c',
'globals-target.c',
- 'memory.c',
- 'physmem.c',
)])
system_ss.add(files(
+ 'vl.c',
+), sdl, libpmem, libdaxctl)
+
+system_ss.add(files(
'balloon.c',
'bootdevice.c',
'cpus.c',
@@ -15,7 +16,11 @@ system_ss.add(files(
'dirtylimit.c',
'dma-helpers.c',
'globals.c',
+ 'ioport.c',
+ 'ram-block-attributes.c',
'memory_mapping.c',
+ 'memory.c',
+ 'physmem.c',
'qdev-monitor.c',
'qtest.c',
'rtc.c',
@@ -23,9 +28,8 @@ system_ss.add(files(
'runstate-hmp-cmds.c',
'runstate.c',
'tpm-hmp-cmds.c',
- 'vl.c',
'watchpoint.c',
-), sdl, libpmem, libdaxctl)
+))
if have_tpm
system_ss.add(files('tpm.c'))
diff --git a/system/physmem.c b/system/physmem.c
index 333a5eb..ff0ca40 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -29,9 +29,9 @@
#ifdef CONFIG_TCG
#include "accel/tcg/cpu-ops.h"
+#include "accel/tcg/iommu.h"
#endif /* CONFIG_TCG */
-#include "exec/exec-all.h"
#include "exec/cputlb.h"
#include "exec/page-protection.h"
#include "exec/target_page.h"
@@ -50,8 +50,8 @@
#include "qemu/log.h"
#include "qemu/memalign.h"
#include "qemu/memfd.h"
-#include "exec/memory.h"
-#include "exec/ioport.h"
+#include "system/memory.h"
+#include "system/ioport.h"
#include "system/dma.h"
#include "system/hostmem.h"
#include "system/hw_accel.h"
@@ -66,8 +66,7 @@
#include "qemu/main-loop.h"
#include "system/replay.h"
-#include "exec/memory-internal.h"
-#include "exec/ram_addr.h"
+#include "system/ram_addr.h"
#include "qemu/pmem.h"
@@ -88,6 +87,8 @@
#include <daxctl/libdaxctl.h>
#endif
+#include "memory-internal.h"
+
//#define DEBUG_SUBPAGE
/* ram_list is read under rcu_read_lock()/rcu_read_unlock(). Writes
@@ -586,6 +587,8 @@ MemoryRegion *flatview_translate(FlatView *fv, hwaddr addr, hwaddr *xlat,
return mr;
}
+#ifdef CONFIG_TCG
+
typedef struct TCGIOMMUNotifier {
IOMMUNotifier n;
MemoryRegion *mr;
@@ -745,6 +748,33 @@ translate_fail:
return &d->map.sections[PHYS_SECTION_UNASSIGNED];
}
+MemoryRegionSection *iotlb_to_section(CPUState *cpu,
+ hwaddr index, MemTxAttrs attrs)
+{
+ int asidx = cpu_asidx_from_attrs(cpu, attrs);
+ CPUAddressSpace *cpuas = &cpu->cpu_ases[asidx];
+ AddressSpaceDispatch *d = cpuas->memory_dispatch;
+ int section_index = index & ~TARGET_PAGE_MASK;
+ MemoryRegionSection *ret;
+
+ assert(section_index < d->map.sections_nb);
+ ret = d->map.sections + section_index;
+ assert(ret->mr);
+ assert(ret->mr->ops);
+
+ return ret;
+}
+
+/* Called from RCU critical section */
+hwaddr memory_region_section_get_iotlb(CPUState *cpu,
+ MemoryRegionSection *section)
+{
+ AddressSpaceDispatch *d = flatview_to_dispatch(section->fv);
+ return section - d->map.sections;
+}
+
+#endif /* CONFIG_TCG */
+
void cpu_address_space_init(CPUState *cpu, int asidx,
const char *prefix, MemoryRegion *mr)
{
@@ -1001,14 +1031,6 @@ bool cpu_physical_memory_snapshot_get_dirty(DirtyBitmapSnapshot *snap,
return false;
}
-/* Called from RCU critical section */
-hwaddr memory_region_section_get_iotlb(CPUState *cpu,
- MemoryRegionSection *section)
-{
- AddressSpaceDispatch *d = flatview_to_dispatch(section->fv);
- return section - d->map.sections;
-}
-
static int subpage_register(subpage_t *mmio, uint32_t start, uint32_t end,
uint16_t section);
static subpage_t *subpage_init(FlatView *fv, hwaddr base);
@@ -1242,7 +1264,7 @@ long qemu_maxrampagesize(void)
return pagesize;
}
-#ifdef CONFIG_POSIX
+#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN)
static int64_t get_file_size(int fd)
{
int64_t size;
@@ -1894,7 +1916,7 @@ static void ram_block_add(RAMBlock *new_block, Error **errp)
}
assert(new_block->guest_memfd < 0);
- ret = ram_block_discard_require(true);
+ ret = ram_block_coordinated_discard_require(true);
if (ret < 0) {
error_setg_errno(errp, -ret,
"cannot set up private guest memory: discard currently blocked");
@@ -1910,6 +1932,24 @@ static void ram_block_add(RAMBlock *new_block, Error **errp)
}
/*
+ * The attribute bitmap of the RamBlockAttributes is default to
+ * discarded, which mimics the behavior of kvm_set_phys_mem() when it
+ * calls kvm_set_memory_attributes_private(). This leads to a brief
+ * period of inconsistency between the creation of the RAMBlock and its
+ * mapping into the physical address space. However, this is not
+ * problematic, as no users rely on the attribute status to perform
+ * any actions during this interval.
+ */
+ new_block->attributes = ram_block_attributes_create(new_block);
+ if (!new_block->attributes) {
+ error_setg(errp, "Failed to create ram block attribute");
+ close(new_block->guest_memfd);
+ ram_block_coordinated_discard_require(false);
+ qemu_mutex_unlock_ramlist();
+ goto out_free;
+ }
+
+ /*
* Add a specific guest_memfd blocker if a generic one would not be
* added by ram_block_add_cpr_blocker.
*/
@@ -1977,7 +2017,7 @@ out_free:
}
}
-#ifdef CONFIG_POSIX
+#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN)
RAMBlock *qemu_ram_alloc_from_fd(ram_addr_t size, ram_addr_t max_size,
qemu_ram_resize_cb resized, MemoryRegion *mr,
uint32_t ram_flags, int fd, off_t offset,
@@ -2157,7 +2197,8 @@ RAMBlock *qemu_ram_alloc_internal(ram_addr_t size, ram_addr_t max_size,
assert(!host ^ (ram_flags & RAM_PREALLOC));
assert(max_size >= size);
-#ifdef CONFIG_POSIX /* ignore RAM_SHARED for Windows */
+ /* ignore RAM_SHARED for Windows and emscripten*/
+#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN)
if (!host) {
if (!share_flags && current_machine->aux_ram_share) {
ram_flags |= RAM_SHARED;
@@ -2254,7 +2295,7 @@ static void reclaim_ramblock(RAMBlock *block)
;
} else if (xen_enabled()) {
xen_invalidate_map_cache_entry(block->host);
-#ifndef _WIN32
+#if !defined(_WIN32) && !defined(EMSCRIPTEN)
} else if (block->fd >= 0) {
qemu_ram_munmap(block->fd, block->host, block->max_length);
close(block->fd);
@@ -2264,8 +2305,9 @@ static void reclaim_ramblock(RAMBlock *block)
}
if (block->guest_memfd >= 0) {
+ ram_block_attributes_destroy(block->attributes);
close(block->guest_memfd);
- ram_block_discard_require(false);
+ ram_block_coordinated_discard_require(false);
}
g_free(block);
@@ -2668,23 +2710,6 @@ static uint16_t dummy_section(PhysPageMap *map, FlatView *fv, MemoryRegion *mr)
return phys_section_add(map, &section);
}
-MemoryRegionSection *iotlb_to_section(CPUState *cpu,
- hwaddr index, MemTxAttrs attrs)
-{
- int asidx = cpu_asidx_from_attrs(cpu, attrs);
- CPUAddressSpace *cpuas = &cpu->cpu_ases[asidx];
- AddressSpaceDispatch *d = cpuas->memory_dispatch;
- int section_index = index & ~TARGET_PAGE_MASK;
- MemoryRegionSection *ret;
-
- assert(section_index < d->map.sections_nb);
- ret = d->map.sections + section_index;
- assert(ret->mr);
- assert(ret->mr->ops);
-
- return ret;
-}
-
static void io_mem_init(void)
{
memory_region_init_io(&io_mem_unassigned, NULL, &unassigned_mem_ops, NULL,
@@ -2829,7 +2854,7 @@ static void invalidate_and_set_dirty(MemoryRegion *mr, hwaddr addr,
}
if (dirty_log_mask & (1 << DIRTY_MEMORY_CODE)) {
assert(tcg_enabled());
- tb_invalidate_phys_range(addr, addr + length - 1);
+ tb_invalidate_phys_range(NULL, addr, addr + length - 1);
dirty_log_mask &= ~(1 << DIRTY_MEMORY_CODE);
}
cpu_physical_memory_set_dirty_range(addr, length, dirty_log_mask);
diff --git a/system/qtest.c b/system/qtest.c
index 12152ef..301b03b 100644
--- a/system/qtest.c
+++ b/system/qtest.c
@@ -16,8 +16,8 @@
#include "system/qtest.h"
#include "system/runstate.h"
#include "chardev/char-fe.h"
-#include "exec/ioport.h"
-#include "exec/memory.h"
+#include "system/ioport.h"
+#include "system/memory.h"
#include "exec/tswap.h"
#include "hw/qdev-core.h"
#include "hw/irq.h"
@@ -693,7 +693,7 @@ static void qtest_process_command(CharBackend *chr, gchar **words)
qtest_send(chr, "OK\n");
} else if (strcmp(words[0], "endianness") == 0) {
- if (target_words_bigendian()) {
+ if (target_big_endian()) {
qtest_sendf(chr, "OK big\n");
} else {
qtest_sendf(chr, "OK little\n");
@@ -994,7 +994,7 @@ static char *qtest_get_chardev(Object *obj, Error **errp)
return g_strdup(q->chr_name);
}
-static void qtest_class_init(ObjectClass *oc, void *data)
+static void qtest_class_init(ObjectClass *oc, const void *data)
{
UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
@@ -1012,7 +1012,7 @@ static const TypeInfo qtest_info = {
.parent = TYPE_OBJECT,
.class_init = qtest_class_init,
.instance_size = sizeof(QTest),
- .interfaces = (InterfaceInfo[]) {
+ .interfaces = (const InterfaceInfo[]) {
{ TYPE_USER_CREATABLE },
{ }
}
diff --git a/system/ram-block-attributes.c b/system/ram-block-attributes.c
new file mode 100644
index 0000000..68e8a02
--- /dev/null
+++ b/system/ram-block-attributes.c
@@ -0,0 +1,444 @@
+/*
+ * QEMU ram block attributes
+ *
+ * Copyright Intel
+ *
+ * Author:
+ * Chenyi Qiang <chenyi.qiang@intel.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/error-report.h"
+#include "system/ramblock.h"
+#include "trace.h"
+
+OBJECT_DEFINE_SIMPLE_TYPE_WITH_INTERFACES(RamBlockAttributes,
+ ram_block_attributes,
+ RAM_BLOCK_ATTRIBUTES,
+ OBJECT,
+ { TYPE_RAM_DISCARD_MANAGER },
+ { })
+
+static size_t
+ram_block_attributes_get_block_size(const RamBlockAttributes *attr)
+{
+ /*
+ * Because page conversion could be manipulated in the size of at least 4K
+ * or 4K aligned, Use the host page size as the granularity to track the
+ * memory attribute.
+ */
+ g_assert(attr && attr->ram_block);
+ g_assert(attr->ram_block->page_size == qemu_real_host_page_size());
+ return attr->ram_block->page_size;
+}
+
+
+static bool
+ram_block_attributes_rdm_is_populated(const RamDiscardManager *rdm,
+ const MemoryRegionSection *section)
+{
+ const RamBlockAttributes *attr = RAM_BLOCK_ATTRIBUTES(rdm);
+ const size_t block_size = ram_block_attributes_get_block_size(attr);
+ const uint64_t first_bit = section->offset_within_region / block_size;
+ const uint64_t last_bit =
+ first_bit + int128_get64(section->size) / block_size - 1;
+ unsigned long first_discarded_bit;
+
+ first_discarded_bit = find_next_zero_bit(attr->bitmap, last_bit + 1,
+ first_bit);
+ return first_discarded_bit > last_bit;
+}
+
+typedef int (*ram_block_attributes_section_cb)(MemoryRegionSection *s,
+ void *arg);
+
+static int
+ram_block_attributes_notify_populate_cb(MemoryRegionSection *section,
+ void *arg)
+{
+ RamDiscardListener *rdl = arg;
+
+ return rdl->notify_populate(rdl, section);
+}
+
+static int
+ram_block_attributes_notify_discard_cb(MemoryRegionSection *section,
+ void *arg)
+{
+ RamDiscardListener *rdl = arg;
+
+ rdl->notify_discard(rdl, section);
+ return 0;
+}
+
+static int
+ram_block_attributes_for_each_populated_section(const RamBlockAttributes *attr,
+ MemoryRegionSection *section,
+ void *arg,
+ ram_block_attributes_section_cb cb)
+{
+ unsigned long first_bit, last_bit;
+ uint64_t offset, size;
+ const size_t block_size = ram_block_attributes_get_block_size(attr);
+ int ret = 0;
+
+ first_bit = section->offset_within_region / block_size;
+ first_bit = find_next_bit(attr->bitmap, attr->bitmap_size,
+ first_bit);
+
+ while (first_bit < attr->bitmap_size) {
+ MemoryRegionSection tmp = *section;
+
+ offset = first_bit * block_size;
+ last_bit = find_next_zero_bit(attr->bitmap, attr->bitmap_size,
+ first_bit + 1) - 1;
+ size = (last_bit - first_bit + 1) * block_size;
+
+ if (!memory_region_section_intersect_range(&tmp, offset, size)) {
+ break;
+ }
+
+ ret = cb(&tmp, arg);
+ if (ret) {
+ error_report("%s: Failed to notify RAM discard listener: %s",
+ __func__, strerror(-ret));
+ break;
+ }
+
+ first_bit = find_next_bit(attr->bitmap, attr->bitmap_size,
+ last_bit + 2);
+ }
+
+ return ret;
+}
+
+static int
+ram_block_attributes_for_each_discarded_section(const RamBlockAttributes *attr,
+ MemoryRegionSection *section,
+ void *arg,
+ ram_block_attributes_section_cb cb)
+{
+ unsigned long first_bit, last_bit;
+ uint64_t offset, size;
+ const size_t block_size = ram_block_attributes_get_block_size(attr);
+ int ret = 0;
+
+ first_bit = section->offset_within_region / block_size;
+ first_bit = find_next_zero_bit(attr->bitmap, attr->bitmap_size,
+ first_bit);
+
+ while (first_bit < attr->bitmap_size) {
+ MemoryRegionSection tmp = *section;
+
+ offset = first_bit * block_size;
+ last_bit = find_next_bit(attr->bitmap, attr->bitmap_size,
+ first_bit + 1) - 1;
+ size = (last_bit - first_bit + 1) * block_size;
+
+ if (!memory_region_section_intersect_range(&tmp, offset, size)) {
+ break;
+ }
+
+ ret = cb(&tmp, arg);
+ if (ret) {
+ error_report("%s: Failed to notify RAM discard listener: %s",
+ __func__, strerror(-ret));
+ break;
+ }
+
+ first_bit = find_next_zero_bit(attr->bitmap,
+ attr->bitmap_size,
+ last_bit + 2);
+ }
+
+ return ret;
+}
+
+static uint64_t
+ram_block_attributes_rdm_get_min_granularity(const RamDiscardManager *rdm,
+ const MemoryRegion *mr)
+{
+ const RamBlockAttributes *attr = RAM_BLOCK_ATTRIBUTES(rdm);
+
+ g_assert(mr == attr->ram_block->mr);
+ return ram_block_attributes_get_block_size(attr);
+}
+
+static void
+ram_block_attributes_rdm_register_listener(RamDiscardManager *rdm,
+ RamDiscardListener *rdl,
+ MemoryRegionSection *section)
+{
+ RamBlockAttributes *attr = RAM_BLOCK_ATTRIBUTES(rdm);
+ int ret;
+
+ g_assert(section->mr == attr->ram_block->mr);
+ rdl->section = memory_region_section_new_copy(section);
+
+ QLIST_INSERT_HEAD(&attr->rdl_list, rdl, next);
+
+ ret = ram_block_attributes_for_each_populated_section(attr, section, rdl,
+ ram_block_attributes_notify_populate_cb);
+ if (ret) {
+ error_report("%s: Failed to register RAM discard listener: %s",
+ __func__, strerror(-ret));
+ exit(1);
+ }
+}
+
+static void
+ram_block_attributes_rdm_unregister_listener(RamDiscardManager *rdm,
+ RamDiscardListener *rdl)
+{
+ RamBlockAttributes *attr = RAM_BLOCK_ATTRIBUTES(rdm);
+ int ret;
+
+ g_assert(rdl->section);
+ g_assert(rdl->section->mr == attr->ram_block->mr);
+
+ if (rdl->double_discard_supported) {
+ rdl->notify_discard(rdl, rdl->section);
+ } else {
+ ret = ram_block_attributes_for_each_populated_section(attr,
+ rdl->section, rdl, ram_block_attributes_notify_discard_cb);
+ if (ret) {
+ error_report("%s: Failed to unregister RAM discard listener: %s",
+ __func__, strerror(-ret));
+ exit(1);
+ }
+ }
+
+ memory_region_section_free_copy(rdl->section);
+ rdl->section = NULL;
+ QLIST_REMOVE(rdl, next);
+}
+
+typedef struct RamBlockAttributesReplayData {
+ ReplayRamDiscardState fn;
+ void *opaque;
+} RamBlockAttributesReplayData;
+
+static int ram_block_attributes_rdm_replay_cb(MemoryRegionSection *section,
+ void *arg)
+{
+ RamBlockAttributesReplayData *data = arg;
+
+ return data->fn(section, data->opaque);
+}
+
+static int
+ram_block_attributes_rdm_replay_populated(const RamDiscardManager *rdm,
+ MemoryRegionSection *section,
+ ReplayRamDiscardState replay_fn,
+ void *opaque)
+{
+ RamBlockAttributes *attr = RAM_BLOCK_ATTRIBUTES(rdm);
+ RamBlockAttributesReplayData data = { .fn = replay_fn, .opaque = opaque };
+
+ g_assert(section->mr == attr->ram_block->mr);
+ return ram_block_attributes_for_each_populated_section(attr, section, &data,
+ ram_block_attributes_rdm_replay_cb);
+}
+
+static int
+ram_block_attributes_rdm_replay_discarded(const RamDiscardManager *rdm,
+ MemoryRegionSection *section,
+ ReplayRamDiscardState replay_fn,
+ void *opaque)
+{
+ RamBlockAttributes *attr = RAM_BLOCK_ATTRIBUTES(rdm);
+ RamBlockAttributesReplayData data = { .fn = replay_fn, .opaque = opaque };
+
+ g_assert(section->mr == attr->ram_block->mr);
+ return ram_block_attributes_for_each_discarded_section(attr, section, &data,
+ ram_block_attributes_rdm_replay_cb);
+}
+
+static bool
+ram_block_attributes_is_valid_range(RamBlockAttributes *attr, uint64_t offset,
+ uint64_t size)
+{
+ MemoryRegion *mr = attr->ram_block->mr;
+
+ g_assert(mr);
+
+ uint64_t region_size = memory_region_size(mr);
+ const size_t block_size = ram_block_attributes_get_block_size(attr);
+
+ if (!QEMU_IS_ALIGNED(offset, block_size) ||
+ !QEMU_IS_ALIGNED(size, block_size)) {
+ return false;
+ }
+ if (offset + size <= offset) {
+ return false;
+ }
+ if (offset + size > region_size) {
+ return false;
+ }
+ return true;
+}
+
+static void ram_block_attributes_notify_discard(RamBlockAttributes *attr,
+ uint64_t offset,
+ uint64_t size)
+{
+ RamDiscardListener *rdl;
+
+ QLIST_FOREACH(rdl, &attr->rdl_list, next) {
+ MemoryRegionSection tmp = *rdl->section;
+
+ if (!memory_region_section_intersect_range(&tmp, offset, size)) {
+ continue;
+ }
+ rdl->notify_discard(rdl, &tmp);
+ }
+}
+
+static int
+ram_block_attributes_notify_populate(RamBlockAttributes *attr,
+ uint64_t offset, uint64_t size)
+{
+ RamDiscardListener *rdl;
+ int ret = 0;
+
+ QLIST_FOREACH(rdl, &attr->rdl_list, next) {
+ MemoryRegionSection tmp = *rdl->section;
+
+ if (!memory_region_section_intersect_range(&tmp, offset, size)) {
+ continue;
+ }
+ ret = rdl->notify_populate(rdl, &tmp);
+ if (ret) {
+ break;
+ }
+ }
+
+ return ret;
+}
+
+int ram_block_attributes_state_change(RamBlockAttributes *attr,
+ uint64_t offset, uint64_t size,
+ bool to_discard)
+{
+ const size_t block_size = ram_block_attributes_get_block_size(attr);
+ const unsigned long first_bit = offset / block_size;
+ const unsigned long nbits = size / block_size;
+ const unsigned long last_bit = first_bit + nbits - 1;
+ const bool is_discarded = find_next_bit(attr->bitmap, attr->bitmap_size,
+ first_bit) > last_bit;
+ const bool is_populated = find_next_zero_bit(attr->bitmap,
+ attr->bitmap_size, first_bit) > last_bit;
+ unsigned long bit;
+ int ret = 0;
+
+ if (!ram_block_attributes_is_valid_range(attr, offset, size)) {
+ error_report("%s, invalid range: offset 0x%" PRIx64 ", size "
+ "0x%" PRIx64, __func__, offset, size);
+ return -EINVAL;
+ }
+
+ trace_ram_block_attributes_state_change(offset, size,
+ is_discarded ? "discarded" :
+ is_populated ? "populated" :
+ "mixture",
+ to_discard ? "discarded" :
+ "populated");
+ if (to_discard) {
+ if (is_discarded) {
+ /* Already private */
+ } else if (is_populated) {
+ /* Completely shared */
+ bitmap_clear(attr->bitmap, first_bit, nbits);
+ ram_block_attributes_notify_discard(attr, offset, size);
+ } else {
+ /* Unexpected mixture: process individual blocks */
+ for (bit = first_bit; bit < first_bit + nbits; bit++) {
+ if (!test_bit(bit, attr->bitmap)) {
+ continue;
+ }
+ clear_bit(bit, attr->bitmap);
+ ram_block_attributes_notify_discard(attr, bit * block_size,
+ block_size);
+ }
+ }
+ } else {
+ if (is_populated) {
+ /* Already shared */
+ } else if (is_discarded) {
+ /* Completely private */
+ bitmap_set(attr->bitmap, first_bit, nbits);
+ ret = ram_block_attributes_notify_populate(attr, offset, size);
+ } else {
+ /* Unexpected mixture: process individual blocks */
+ for (bit = first_bit; bit < first_bit + nbits; bit++) {
+ if (test_bit(bit, attr->bitmap)) {
+ continue;
+ }
+ set_bit(bit, attr->bitmap);
+ ret = ram_block_attributes_notify_populate(attr,
+ bit * block_size,
+ block_size);
+ if (ret) {
+ break;
+ }
+ }
+ }
+ }
+
+ return ret;
+}
+
+RamBlockAttributes *ram_block_attributes_create(RAMBlock *ram_block)
+{
+ const int block_size = qemu_real_host_page_size();
+ RamBlockAttributes *attr;
+ MemoryRegion *mr = ram_block->mr;
+
+ attr = RAM_BLOCK_ATTRIBUTES(object_new(TYPE_RAM_BLOCK_ATTRIBUTES));
+
+ attr->ram_block = ram_block;
+ if (memory_region_set_ram_discard_manager(mr, RAM_DISCARD_MANAGER(attr))) {
+ object_unref(OBJECT(attr));
+ return NULL;
+ }
+ attr->bitmap_size =
+ ROUND_UP(int128_get64(mr->size), block_size) / block_size;
+ attr->bitmap = bitmap_new(attr->bitmap_size);
+
+ return attr;
+}
+
+void ram_block_attributes_destroy(RamBlockAttributes *attr)
+{
+ g_assert(attr);
+
+ g_free(attr->bitmap);
+ memory_region_set_ram_discard_manager(attr->ram_block->mr, NULL);
+ object_unref(OBJECT(attr));
+}
+
+static void ram_block_attributes_init(Object *obj)
+{
+ RamBlockAttributes *attr = RAM_BLOCK_ATTRIBUTES(obj);
+
+ QLIST_INIT(&attr->rdl_list);
+}
+
+static void ram_block_attributes_finalize(Object *obj)
+{
+}
+
+static void ram_block_attributes_class_init(ObjectClass *klass,
+ const void *data)
+{
+ RamDiscardManagerClass *rdmc = RAM_DISCARD_MANAGER_CLASS(klass);
+
+ rdmc->get_min_granularity = ram_block_attributes_rdm_get_min_granularity;
+ rdmc->register_listener = ram_block_attributes_rdm_register_listener;
+ rdmc->unregister_listener = ram_block_attributes_rdm_unregister_listener;
+ rdmc->is_populated = ram_block_attributes_rdm_is_populated;
+ rdmc->replay_populated = ram_block_attributes_rdm_replay_populated;
+ rdmc->replay_discarded = ram_block_attributes_rdm_replay_discarded;
+}
diff --git a/system/runstate.c b/system/runstate.c
index 272801d..38900c9 100644
--- a/system/runstate.c
+++ b/system/runstate.c
@@ -297,6 +297,7 @@ void qemu_system_vmstop_request(RunState state)
struct VMChangeStateEntry {
VMChangeStateHandler *cb;
VMChangeStateHandler *prepare_cb;
+ VMChangeStateHandlerWithRet *cb_ret;
void *opaque;
QTAILQ_ENTRY(VMChangeStateEntry) entries;
int priority;
@@ -320,14 +321,15 @@ static QTAILQ_HEAD(, VMChangeStateEntry) vm_change_state_head =
VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
VMChangeStateHandler *cb, void *opaque, int priority)
{
- return qemu_add_vm_change_state_handler_prio_full(cb, NULL, opaque,
- priority);
+ return qemu_add_vm_change_state_handler_prio_full(cb, NULL, NULL,
+ opaque, priority);
}
/**
* qemu_add_vm_change_state_handler_prio_full:
* @cb: the main callback to invoke
* @prepare_cb: a callback to invoke before the main callback
+ * @cb_ret: the main callback to invoke with return value
* @opaque: user data passed to the callbacks
* @priority: low priorities execute first when the vm runs and the reverse is
* true when the vm stops
@@ -344,6 +346,7 @@ VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
VMChangeStateEntry *
qemu_add_vm_change_state_handler_prio_full(VMChangeStateHandler *cb,
VMChangeStateHandler *prepare_cb,
+ VMChangeStateHandlerWithRet *cb_ret,
void *opaque, int priority)
{
VMChangeStateEntry *e;
@@ -352,6 +355,7 @@ qemu_add_vm_change_state_handler_prio_full(VMChangeStateHandler *cb,
e = g_malloc0(sizeof(*e));
e->cb = cb;
e->prepare_cb = prepare_cb;
+ e->cb_ret = cb_ret;
e->opaque = opaque;
e->priority = priority;
@@ -379,9 +383,10 @@ void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
g_free(e);
}
-void vm_state_notify(bool running, RunState state)
+int vm_state_notify(bool running, RunState state)
{
VMChangeStateEntry *e, *next;
+ int ret = 0;
trace_vm_state_notify(running, state, RunState_str(state));
@@ -393,7 +398,17 @@ void vm_state_notify(bool running, RunState state)
}
QTAILQ_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
- e->cb(e->opaque, running, state);
+ if (e->cb) {
+ e->cb(e->opaque, running, state);
+ } else if (e->cb_ret) {
+ /*
+ * Here ignore the return value of cb_ret because
+ * we only care about the stopping the device during
+ * the VM live migration to indicate whether the
+ * connection between qemu and backend is normal.
+ */
+ e->cb_ret(e->opaque, running, state);
+ }
}
} else {
QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) {
@@ -403,9 +418,19 @@ void vm_state_notify(bool running, RunState state)
}
QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) {
- e->cb(e->opaque, running, state);
+ if (e->cb) {
+ e->cb(e->opaque, running, state);
+ } else if (e->cb_ret) {
+ /*
+ * We should execute all registered callbacks even if
+ * one of them returns failure, otherwise, some cleanup
+ * work of the device will be skipped.
+ */
+ ret |= e->cb_ret(e->opaque, running, state);
+ }
}
}
+ return ret;
}
static ShutdownCause reset_requested;
@@ -565,6 +590,58 @@ static void qemu_system_wakeup(void)
}
}
+static char *tdx_parse_panic_message(char *message)
+{
+ bool printable = false;
+ char *buf = NULL;
+ int len = 0, i;
+
+ /*
+ * Although message is defined as a json string, we shouldn't
+ * unconditionally treat it as is because the guest generated it and
+ * it's not necessarily trustable.
+ */
+ if (message) {
+ /* The caller guarantees the NULL-terminated string. */
+ len = strlen(message);
+
+ printable = len > 0;
+ for (i = 0; i < len; i++) {
+ if (!(0x20 <= message[i] && message[i] <= 0x7e)) {
+ printable = false;
+ break;
+ }
+ }
+ }
+
+ if (len == 0) {
+ buf = g_malloc(1);
+ buf[0] = '\0';
+ } else {
+ if (!printable) {
+ /* 3 = length of "%02x " */
+ buf = g_malloc(len * 3);
+ for (i = 0; i < len; i++) {
+ if (message[i] == '\0') {
+ break;
+ } else {
+ sprintf(buf + 3 * i, "%02x ", message[i]);
+ }
+ }
+ if (i > 0) {
+ /* replace the last ' '(space) to NULL */
+ buf[i * 3 - 1] = '\0';
+ } else {
+ buf[0] = '\0';
+ }
+ } else {
+ buf = g_strdup(message);
+ }
+ }
+
+ return buf;
+}
+
void qemu_system_guest_panicked(GuestPanicInformation *info)
{
qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
@@ -606,7 +683,20 @@ void qemu_system_guest_panicked(GuestPanicInformation *info)
S390CrashReason_str(info->u.s390.reason),
info->u.s390.psw_mask,
info->u.s390.psw_addr);
+ } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_TDX) {
+ char *message = tdx_parse_panic_message(info->u.tdx.message);
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "\nTDX guest reports fatal error."
+ " error code: 0x%" PRIx32 " error message:\"%s\"\n",
+ info->u.tdx.error_code, message);
+ g_free(message);
+ if (info->u.tdx.gpa != -1ull) {
+ qemu_log_mask(LOG_GUEST_ERROR, "Additional error information "
+ "can be found at gpa page: 0x%" PRIx64 "\n",
+ info->u.tdx.gpa);
+ }
}
+
qapi_free_GuestPanicInformation(info);
}
}
diff --git a/system/trace-events b/system/trace-events
index be12ebf..82856e4 100644
--- a/system/trace-events
+++ b/system/trace-events
@@ -52,3 +52,6 @@ dirtylimit_state_finalize(void)
dirtylimit_throttle_pct(int cpu_index, uint64_t pct, int64_t time_us) "CPU[%d] throttle percent: %" PRIu64 ", throttle adjust time %"PRIi64 " us"
dirtylimit_set_vcpu(int cpu_index, uint64_t quota) "CPU[%d] set dirty page rate limit %"PRIu64
dirtylimit_vcpu_execute(int cpu_index, int64_t sleep_time_us) "CPU[%d] sleep %"PRIi64 " us"
+
+# ram-block-attributes.c
+ram_block_attributes_state_change(uint64_t offset, uint64_t size, const char *from, const char *to) "offset 0x%"PRIx64" size 0x%"PRIx64" from '%s' to '%s'"
diff --git a/system/vl.c b/system/vl.c
index ec93988..3b7057e 100644
--- a/system/vl.c
+++ b/system/vl.c
@@ -27,6 +27,7 @@
#include "qemu/datadir.h"
#include "qemu/units.h"
#include "qemu/module.h"
+#include "qemu/target-info.h"
#include "exec/cpu-common.h"
#include "exec/page-vary.h"
#include "hw/qdev-properties.h"
@@ -40,6 +41,7 @@
#include "qemu/help_option.h"
#include "qemu/hw-version.h"
#include "qemu/uuid.h"
+#include "qemu/target-info.h"
#include "system/reset.h"
#include "system/runstate.h"
#include "system/runstate-action.h"
@@ -79,7 +81,6 @@
#include "hw/block/block.h"
#include "hw/i386/x86.h"
#include "hw/i386/pc.h"
-#include "hw/core/cpu.h"
#include "migration/cpr.h"
#include "migration/misc.h"
#include "migration/snapshot.h"
@@ -89,6 +90,7 @@
#include "audio/audio.h"
#include "system/cpus.h"
#include "system/cpu-timers.h"
+#include "exec/icount.h"
#include "migration/colo.h"
#include "migration/postcopy-ram.h"
#include "system/kvm.h"
@@ -766,7 +768,7 @@ static QemuOptsList qemu_smp_opts = {
},
};
-#if defined(CONFIG_POSIX)
+#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN)
static QemuOptsList qemu_run_with_opts = {
.name = "run-with",
.head = QTAILQ_HEAD_INITIALIZER(qemu_run_with_opts.head),
@@ -1190,10 +1192,7 @@ static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
return -1;
}
}
- /* For legacy, keep user files in a specific global order. */
- fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
fw_cfg_add_file(fw_cfg, name, buf, size);
- fw_cfg_reset_order_override(fw_cfg);
return 0;
}
@@ -1523,7 +1522,7 @@ static bool debugcon_parse(const char *devname, Error **errp)
return true;
}
-static gint machine_class_cmp(gconstpointer a, gconstpointer b)
+static gint machine_class_cmp(gconstpointer a, gconstpointer b, gpointer d)
{
const MachineClass *mc1 = a, *mc2 = b;
int res;
@@ -1563,7 +1562,7 @@ static void machine_help_func(const QDict *qdict)
GSList *el;
const char *type = qdict_get_try_str(qdict, "type");
- machines = object_class_get_list(TYPE_MACHINE, false);
+ machines = object_class_get_list(target_machine_typename(), false);
if (type) {
ObjectClass *machine_class = OBJECT_CLASS(find_machine(type, machines));
if (machine_class) {
@@ -1573,7 +1572,7 @@ static void machine_help_func(const QDict *qdict)
}
printf("Supported machines are:\n");
- machines = g_slist_sort(machines, machine_class_cmp);
+ machines = g_slist_sort_with_data(machines, machine_class_cmp, NULL);
for (el = machines; el; el = el->next) {
MachineClass *mc = el->data;
if (mc->alias) {
@@ -2743,7 +2742,6 @@ static void qemu_create_cli_devices(void)
}
/* init generic devices */
- rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
qemu_opts_foreach(qemu_find_opts("device"),
device_init_func, NULL, &error_fatal);
QTAILQ_FOREACH(opt, &device_opts, next) {
@@ -2754,7 +2752,6 @@ static void qemu_create_cli_devices(void)
assert(ret_data == NULL); /* error_fatal aborts */
loc_pop(&opt->loc);
}
- rom_reset_order_override();
}
static bool qemu_machine_creation_done(Error **errp)
@@ -3677,7 +3674,7 @@ void qemu_init(int argc, char **argv)
case QEMU_OPTION_nouserconfig:
/* Nothing to be parsed here. Especially, do not error out below. */
break;
-#if defined(CONFIG_POSIX)
+#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN)
case QEMU_OPTION_daemonize:
os_set_daemonize(true);
break;
diff --git a/system/watchpoint.c b/system/watchpoint.c
index 08dbd84..21d0bb3 100644
--- a/system/watchpoint.c
+++ b/system/watchpoint.c
@@ -21,6 +21,7 @@
#include "qemu/error-report.h"
#include "exec/cputlb.h"
#include "exec/target_page.h"
+#include "exec/watchpoint.h"
#include "hw/core/cpu.h"
/* Add a watchpoint. */
generated by cgit v1.1 at 2025-07-02 23:36:11 +0000