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-rw-r--r--system/main.c2
-rw-r--r--system/memory.c35
-rw-r--r--system/physmem.c17
-rw-r--r--system/runstate.c16
4 files changed, 41 insertions, 29 deletions
diff --git a/system/main.c b/system/main.c
index 694388bd7f..9b91d21ea8 100644
--- a/system/main.c
+++ b/system/main.c
@@ -35,7 +35,7 @@ int qemu_default_main(void)
int status;
status = qemu_main_loop();
- qemu_cleanup();
+ qemu_cleanup(status);
return status;
}
diff --git a/system/memory.c b/system/memory.c
index fa1c99f9ba..a800fbc9e5 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -224,6 +224,7 @@ struct FlatRange {
bool romd_mode;
bool readonly;
bool nonvolatile;
+ bool unmergeable;
};
#define FOR_EACH_FLAT_RANGE(var, view) \
@@ -240,6 +241,7 @@ section_from_flat_range(FlatRange *fr, FlatView *fv)
.offset_within_address_space = int128_get64(fr->addr.start),
.readonly = fr->readonly,
.nonvolatile = fr->nonvolatile,
+ .unmergeable = fr->unmergeable,
};
}
@@ -250,7 +252,8 @@ static bool flatrange_equal(FlatRange *a, FlatRange *b)
&& a->offset_in_region == b->offset_in_region
&& a->romd_mode == b->romd_mode
&& a->readonly == b->readonly
- && a->nonvolatile == b->nonvolatile;
+ && a->nonvolatile == b->nonvolatile
+ && a->unmergeable == b->unmergeable;
}
static FlatView *flatview_new(MemoryRegion *mr_root)
@@ -323,7 +326,8 @@ static bool can_merge(FlatRange *r1, FlatRange *r2)
&& r1->dirty_log_mask == r2->dirty_log_mask
&& r1->romd_mode == r2->romd_mode
&& r1->readonly == r2->readonly
- && r1->nonvolatile == r2->nonvolatile;
+ && r1->nonvolatile == r2->nonvolatile
+ && !r1->unmergeable && !r2->unmergeable;
}
/* Attempt to simplify a view by merging adjacent ranges */
@@ -599,7 +603,8 @@ static void render_memory_region(FlatView *view,
Int128 base,
AddrRange clip,
bool readonly,
- bool nonvolatile)
+ bool nonvolatile,
+ bool unmergeable)
{
MemoryRegion *subregion;
unsigned i;
@@ -616,6 +621,7 @@ static void render_memory_region(FlatView *view,
int128_addto(&base, int128_make64(mr->addr));
readonly |= mr->readonly;
nonvolatile |= mr->nonvolatile;
+ unmergeable |= mr->unmergeable;
tmp = addrrange_make(base, mr->size);
@@ -629,14 +635,14 @@ static void render_memory_region(FlatView *view,
int128_subfrom(&base, int128_make64(mr->alias->addr));
int128_subfrom(&base, int128_make64(mr->alias_offset));
render_memory_region(view, mr->alias, base, clip,
- readonly, nonvolatile);
+ readonly, nonvolatile, unmergeable);
return;
}
/* Render subregions in priority order. */
QTAILQ_FOREACH(subregion, &mr->subregions, subregions_link) {
render_memory_region(view, subregion, base, clip,
- readonly, nonvolatile);
+ readonly, nonvolatile, unmergeable);
}
if (!mr->terminates) {
@@ -652,6 +658,7 @@ static void render_memory_region(FlatView *view,
fr.romd_mode = mr->romd_mode;
fr.readonly = readonly;
fr.nonvolatile = nonvolatile;
+ fr.unmergeable = unmergeable;
/* Render the region itself into any gaps left by the current view. */
for (i = 0; i < view->nr && int128_nz(remain); ++i) {
@@ -753,7 +760,7 @@ static FlatView *generate_memory_topology(MemoryRegion *mr)
if (mr) {
render_memory_region(view, mr, int128_zero(),
addrrange_make(int128_zero(), int128_2_64()),
- false, false);
+ false, false, false);
}
flatview_simplify(view);
@@ -2085,7 +2092,7 @@ int memory_region_iommu_num_indexes(IOMMUMemoryRegion *iommu_mr)
RamDiscardManager *memory_region_get_ram_discard_manager(MemoryRegion *mr)
{
- if (!memory_region_is_mapped(mr) || !memory_region_is_ram(mr)) {
+ if (!memory_region_is_ram(mr)) {
return NULL;
}
return mr->rdm;
@@ -2094,7 +2101,7 @@ RamDiscardManager *memory_region_get_ram_discard_manager(MemoryRegion *mr)
void memory_region_set_ram_discard_manager(MemoryRegion *mr,
RamDiscardManager *rdm)
{
- g_assert(memory_region_is_ram(mr) && !memory_region_is_mapped(mr));
+ g_assert(memory_region_is_ram(mr));
g_assert(!rdm || !mr->rdm);
mr->rdm = rdm;
}
@@ -2755,6 +2762,18 @@ void memory_region_set_alias_offset(MemoryRegion *mr, hwaddr offset)
memory_region_transaction_commit();
}
+void memory_region_set_unmergeable(MemoryRegion *mr, bool unmergeable)
+{
+ if (unmergeable == mr->unmergeable) {
+ return;
+ }
+
+ memory_region_transaction_begin();
+ mr->unmergeable = unmergeable;
+ memory_region_update_pending |= mr->enabled;
+ memory_region_transaction_commit();
+}
+
uint64_t memory_region_get_alignment(const MemoryRegion *mr)
{
return mr->align;
diff --git a/system/physmem.c b/system/physmem.c
index edc3ed8ab9..fc2b0fee01 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -2221,23 +2221,6 @@ ram_addr_t qemu_ram_block_host_offset(RAMBlock *rb, void *host)
return res;
}
-/*
- * Translates a host ptr back to a RAMBlock, a ram_addr and an offset
- * in that RAMBlock.
- *
- * ptr: Host pointer to look up
- * round_offset: If true round the result offset down to a page boundary
- * *ram_addr: set to result ram_addr
- * *offset: set to result offset within the RAMBlock
- *
- * Returns: RAMBlock (or NULL if not found)
- *
- * By the time this function returns, the returned pointer is not protected
- * by RCU anymore. If the caller is not within an RCU critical section and
- * does not hold the iothread lock, it must have other means of protecting the
- * pointer, such as a reference to the region that includes the incoming
- * ram_addr_t.
- */
RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset,
ram_addr_t *offset)
{
diff --git a/system/runstate.c b/system/runstate.c
index 1652ed0439..ea9d6c2a32 100644
--- a/system/runstate.c
+++ b/system/runstate.c
@@ -385,6 +385,7 @@ void vm_state_notify(bool running, RunState state)
static ShutdownCause reset_requested;
static ShutdownCause shutdown_requested;
+static int shutdown_exit_code = EXIT_SUCCESS;
static int shutdown_signal;
static pid_t shutdown_pid;
static int powerdown_requested;
@@ -664,6 +665,13 @@ void qemu_system_killed(int signal, pid_t pid)
qemu_notify_event();
}
+void qemu_system_shutdown_request_with_code(ShutdownCause reason,
+ int exit_code)
+{
+ shutdown_exit_code = exit_code;
+ qemu_system_shutdown_request(reason);
+}
+
void qemu_system_shutdown_request(ShutdownCause reason)
{
trace_qemu_system_shutdown_request(reason);
@@ -725,7 +733,9 @@ static bool main_loop_should_exit(int *status)
if (shutdown_action == SHUTDOWN_ACTION_PAUSE) {
vm_stop(RUN_STATE_SHUTDOWN);
} else {
- if (request == SHUTDOWN_CAUSE_GUEST_PANIC &&
+ if (shutdown_exit_code != EXIT_SUCCESS) {
+ *status = shutdown_exit_code;
+ } else if (request == SHUTDOWN_CAUSE_GUEST_PANIC &&
panic_action == PANIC_ACTION_EXIT_FAILURE) {
*status = EXIT_FAILURE;
}
@@ -824,9 +834,9 @@ void qemu_init_subsystems(void)
}
-void qemu_cleanup(void)
+void qemu_cleanup(int status)
{
- gdb_exit(0);
+ gdb_exit(status);
/*
* cleaning up the migration object cancels any existing migration
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-17 09:37:46 +0000