#include "kvm.h"
#if defined(CONFIG_USER_ONLY)
#include <qemu.h>
+#include <signal.h>
#endif
//#define DEBUG_TB_INVALIDATE
#endif
/* log support */
+#ifdef WIN32
+static const char *logfilename = "qemu.log";
+#else
static const char *logfilename = "/tmp/qemu.log";
+#endif
FILE *logfile;
int loglevel;
static int log_append = 0;
exit(1);
}
}
-#elif defined(__FreeBSD__) || defined(__DragonFly__)
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
{
int flags;
void *addr = NULL;
#if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
-#define CPU_COMMON_SAVE_VERSION 1
-
-static void cpu_common_save(QEMUFile *f, void *opaque)
+static void cpu_common_pre_save(void *opaque)
{
CPUState *env = opaque;
cpu_synchronize_state(env);
-
- qemu_put_be32s(f, &env->halted);
- qemu_put_be32s(f, &env->interrupt_request);
}
-static int cpu_common_load(QEMUFile *f, void *opaque, int version_id)
+static int cpu_common_pre_load(void *opaque)
{
CPUState *env = opaque;
cpu_synchronize_state(env);
- if (version_id != CPU_COMMON_SAVE_VERSION)
- return -EINVAL;
+ return 0;
+}
+
+static int cpu_common_post_load(void *opaque, int version_id)
+{
+ CPUState *env = opaque;
- qemu_get_be32s(f, &env->halted);
- qemu_get_be32s(f, &env->interrupt_request);
/* 0x01 was CPU_INTERRUPT_EXIT. This line can be removed when the
version_id is increased. */
env->interrupt_request &= ~0x01;
return 0;
}
+
+static const VMStateDescription vmstate_cpu_common = {
+ .name = "cpu_common",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .pre_save = cpu_common_pre_save,
+ .pre_load = cpu_common_pre_load,
+ .post_load = cpu_common_post_load,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT32(halted, CPUState),
+ VMSTATE_UINT32(interrupt_request, CPUState),
+ VMSTATE_END_OF_LIST()
+ }
+};
#endif
CPUState *qemu_get_cpu(int cpu)
}
env->cpu_index = cpu_index;
env->numa_node = 0;
- TAILQ_INIT(&env->breakpoints);
- TAILQ_INIT(&env->watchpoints);
+ QTAILQ_INIT(&env->breakpoints);
+ QTAILQ_INIT(&env->watchpoints);
*penv = env;
#if defined(CONFIG_USER_ONLY)
cpu_list_unlock();
#endif
#if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
- register_savevm("cpu_common", cpu_index, CPU_COMMON_SAVE_VERSION,
- cpu_common_save, cpu_common_load, env);
+ vmstate_register(cpu_index, &vmstate_cpu_common, env);
register_savevm("cpu", cpu_index, CPU_SAVE_VERSION,
cpu_save, cpu_load, env);
#endif
/* keep all GDB-injected watchpoints in front */
if (flags & BP_GDB)
- TAILQ_INSERT_HEAD(&env->watchpoints, wp, entry);
+ QTAILQ_INSERT_HEAD(&env->watchpoints, wp, entry);
else
- TAILQ_INSERT_TAIL(&env->watchpoints, wp, entry);
+ QTAILQ_INSERT_TAIL(&env->watchpoints, wp, entry);
tlb_flush_page(env, addr);
target_ulong len_mask = ~(len - 1);
CPUWatchpoint *wp;
- TAILQ_FOREACH(wp, &env->watchpoints, entry) {
+ QTAILQ_FOREACH(wp, &env->watchpoints, entry) {
if (addr == wp->vaddr && len_mask == wp->len_mask
&& flags == (wp->flags & ~BP_WATCHPOINT_HIT)) {
cpu_watchpoint_remove_by_ref(env, wp);
/* Remove a specific watchpoint by reference. */
void cpu_watchpoint_remove_by_ref(CPUState *env, CPUWatchpoint *watchpoint)
{
- TAILQ_REMOVE(&env->watchpoints, watchpoint, entry);
+ QTAILQ_REMOVE(&env->watchpoints, watchpoint, entry);
tlb_flush_page(env, watchpoint->vaddr);
{
CPUWatchpoint *wp, *next;
- TAILQ_FOREACH_SAFE(wp, &env->watchpoints, entry, next) {
+ QTAILQ_FOREACH_SAFE(wp, &env->watchpoints, entry, next) {
if (wp->flags & mask)
cpu_watchpoint_remove_by_ref(env, wp);
}
/* keep all GDB-injected breakpoints in front */
if (flags & BP_GDB)
- TAILQ_INSERT_HEAD(&env->breakpoints, bp, entry);
+ QTAILQ_INSERT_HEAD(&env->breakpoints, bp, entry);
else
- TAILQ_INSERT_TAIL(&env->breakpoints, bp, entry);
+ QTAILQ_INSERT_TAIL(&env->breakpoints, bp, entry);
breakpoint_invalidate(env, pc);
#if defined(TARGET_HAS_ICE)
CPUBreakpoint *bp;
- TAILQ_FOREACH(bp, &env->breakpoints, entry) {
+ QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
if (bp->pc == pc && bp->flags == flags) {
cpu_breakpoint_remove_by_ref(env, bp);
return 0;
void cpu_breakpoint_remove_by_ref(CPUState *env, CPUBreakpoint *breakpoint)
{
#if defined(TARGET_HAS_ICE)
- TAILQ_REMOVE(&env->breakpoints, breakpoint, entry);
+ QTAILQ_REMOVE(&env->breakpoints, breakpoint, entry);
breakpoint_invalidate(env, breakpoint->pc);
#if defined(TARGET_HAS_ICE)
CPUBreakpoint *bp, *next;
- TAILQ_FOREACH_SAFE(bp, &env->breakpoints, entry, next) {
+ QTAILQ_FOREACH_SAFE(bp, &env->breakpoints, entry, next) {
if (bp->flags & mask)
cpu_breakpoint_remove_by_ref(env, bp);
}
static void cpu_unlink_tb(CPUState *env)
{
-#if defined(CONFIG_USE_NPTL)
/* FIXME: TB unchaining isn't SMP safe. For now just ignore the
problem and hope the cpu will stop of its own accord. For userspace
emulation this often isn't actually as bad as it sounds. Often
signals are used primarily to interrupt blocking syscalls. */
-#else
TranslationBlock *tb;
static spinlock_t interrupt_lock = SPIN_LOCK_UNLOCKED;
+ spin_lock(&interrupt_lock);
tb = env->current_tb;
/* if the cpu is currently executing code, we must unlink it and
all the potentially executing TB */
- if (tb && !testandset(&interrupt_lock)) {
+ if (tb) {
env->current_tb = NULL;
tb_reset_jump_recursive(tb);
- resetlock(&interrupt_lock);
}
-#endif
+ spin_unlock(&interrupt_lock);
}
/* mask must never be zero, except for A20 change call */
}
va_end(ap2);
va_end(ap);
+#if defined(CONFIG_USER_ONLY)
+ {
+ struct sigaction act;
+ sigfillset(&act.sa_mask);
+ act.sa_handler = SIG_DFL;
+ sigaction(SIGABRT, &act, NULL);
+ }
+#endif
abort();
}
/* Clone all break/watchpoints.
Note: Once we support ptrace with hw-debug register access, make sure
BP_CPU break/watchpoints are handled correctly on clone. */
- TAILQ_INIT(&env->breakpoints);
- TAILQ_INIT(&env->watchpoints);
+ QTAILQ_INIT(&env->breakpoints);
+ QTAILQ_INIT(&env->watchpoints);
#if defined(TARGET_HAS_ICE)
- TAILQ_FOREACH(bp, &env->breakpoints, entry) {
+ QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
cpu_breakpoint_insert(new_env, bp->pc, bp->flags, NULL);
}
- TAILQ_FOREACH(wp, &env->watchpoints, entry) {
+ QTAILQ_FOREACH(wp, &env->watchpoints, entry) {
cpu_watchpoint_insert(new_env, wp->vaddr, (~wp->len_mask) + 1,
wp->flags, NULL);
}
code_address = address;
/* Make accesses to pages with watchpoints go via the
watchpoint trap routines. */
- TAILQ_FOREACH(wp, &env->watchpoints, entry) {
+ QTAILQ_FOREACH(wp, &env->watchpoints, entry) {
if (vaddr == (wp->vaddr & TARGET_PAGE_MASK)) {
iotlb = io_mem_watch + paddr;
/* TODO: The memory case can be optimized by not trapping
} \
} while (0)
-/* register physical memory. 'size' must be a multiple of the target
- page size. If (phys_offset & ~TARGET_PAGE_MASK) != 0, then it is an
+/* register physical memory.
+ For RAM, 'size' must be a multiple of the target page size.
+ If (phys_offset & ~TARGET_PAGE_MASK) != 0, then it is an
io memory page. The address used when calling the IO function is
the offset from the start of the region, plus region_offset. Both
start_addr and region_offset are rounded down to a page boundary
kvm_uncoalesce_mmio_region(addr, size);
}
+void qemu_flush_coalesced_mmio_buffer(void)
+{
+ if (kvm_enabled())
+ kvm_flush_coalesced_mmio_buffer();
+}
+
ram_addr_t qemu_ram_alloc(ram_addr_t size)
{
RAMBlock *new_block;
size = TARGET_PAGE_ALIGN(size);
new_block = qemu_malloc(sizeof(*new_block));
+#if defined(TARGET_S390X) && defined(CONFIG_KVM)
+ /* XXX S390 KVM requires the topmost vma of the RAM to be < 256GB */
+ new_block->host = mmap((void*)0x1000000, size, PROT_EXEC|PROT_READ|PROT_WRITE,
+ MAP_SHARED | MAP_ANONYMOUS, -1, 0);
+#else
new_block->host = qemu_vmalloc(size);
+#endif
+#ifdef MADV_MERGEABLE
+ madvise(new_block->host, size, MADV_MERGEABLE);
+#endif
new_block->offset = last_ram_offset;
new_block->length = size;
ram_addr_t qemu_ram_addr_from_host(void *ptr)
{
RAMBlock *prev;
- RAMBlock **prevp;
RAMBlock *block;
uint8_t *host = ptr;
prev = NULL;
- prevp = &ram_blocks;
block = ram_blocks;
while (block && (block->host > host
|| block->host + block->length <= host)) {
- if (prev)
- prevp = &prev->next;
prev = block;
block = block->next;
}
#ifdef DEBUG_UNASSIGNED
printf("Unassigned mem read " TARGET_FMT_plx "\n", addr);
#endif
-#if defined(TARGET_SPARC)
+#if defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
do_unassigned_access(addr, 0, 0, 0, 1);
#endif
return 0;
#ifdef DEBUG_UNASSIGNED
printf("Unassigned mem read " TARGET_FMT_plx "\n", addr);
#endif
-#if defined(TARGET_SPARC)
+#if defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
do_unassigned_access(addr, 0, 0, 0, 2);
#endif
return 0;
#ifdef DEBUG_UNASSIGNED
printf("Unassigned mem read " TARGET_FMT_plx "\n", addr);
#endif
-#if defined(TARGET_SPARC)
+#if defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
do_unassigned_access(addr, 0, 0, 0, 4);
#endif
return 0;
#ifdef DEBUG_UNASSIGNED
printf("Unassigned mem write " TARGET_FMT_plx " = 0x%x\n", addr, val);
#endif
-#if defined(TARGET_SPARC)
+#if defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
do_unassigned_access(addr, 1, 0, 0, 1);
#endif
}
#ifdef DEBUG_UNASSIGNED
printf("Unassigned mem write " TARGET_FMT_plx " = 0x%x\n", addr, val);
#endif
-#if defined(TARGET_SPARC)
+#if defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
do_unassigned_access(addr, 1, 0, 0, 2);
#endif
}
#ifdef DEBUG_UNASSIGNED
printf("Unassigned mem write " TARGET_FMT_plx " = 0x%x\n", addr, val);
#endif
-#if defined(TARGET_SPARC)
+#if defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
do_unassigned_access(addr, 1, 0, 0, 4);
#endif
}
return;
}
vaddr = (env->mem_io_vaddr & TARGET_PAGE_MASK) + offset;
- TAILQ_FOREACH(wp, &env->watchpoints, entry) {
+ QTAILQ_FOREACH(wp, &env->watchpoints, entry) {
if ((vaddr == (wp->vaddr & len_mask) ||
(vaddr & wp->len_mask) == wp->vaddr) && (wp->flags & flags)) {
wp->flags |= BP_WATCHPOINT_HIT;
io_mem_used[i] = 1;
return i;
}
-
+ fprintf(stderr, "RAN out out io_mem_idx, max %d !\n", IO_MEM_NB_ENTRIES);
return -1;
}
typedef struct MapClient {
void *opaque;
void (*callback)(void *opaque);
- LIST_ENTRY(MapClient) link;
+ QLIST_ENTRY(MapClient) link;
} MapClient;
-static LIST_HEAD(map_client_list, MapClient) map_client_list
- = LIST_HEAD_INITIALIZER(map_client_list);
+static QLIST_HEAD(map_client_list, MapClient) map_client_list
+ = QLIST_HEAD_INITIALIZER(map_client_list);
void *cpu_register_map_client(void *opaque, void (*callback)(void *opaque))
{
client->opaque = opaque;
client->callback = callback;
- LIST_INSERT_HEAD(&map_client_list, client, link);
+ QLIST_INSERT_HEAD(&map_client_list, client, link);
return client;
}
{
MapClient *client = (MapClient *)_client;
- LIST_REMOVE(client, link);
+ QLIST_REMOVE(client, link);
qemu_free(client);
}
{
MapClient *client;
- while (!LIST_EMPTY(&map_client_list)) {
- client = LIST_FIRST(&map_client_list);
+ while (!QLIST_EMPTY(&map_client_list)) {
+ client = QLIST_FIRST(&map_client_list);
client->callback(client->opaque);
cpu_unregister_map_client(client);
}
if (is_write) {
cpu_physical_memory_write(bounce.addr, bounce.buffer, access_len);
}
- qemu_free(bounce.buffer);
+ qemu_vfree(bounce.buffer);
bounce.buffer = NULL;
cpu_notify_map_clients();
}
projects / qemu.git / blobdiff