* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#ifdef _WIN32
#define TARGET_VIRT_ADDR_SPACE_BITS 42
#elif defined(TARGET_PPC64)
#define TARGET_PHYS_ADDR_SPACE_BITS 42
-#elif defined(TARGET_X86_64) && !defined(CONFIG_KQEMU)
+#elif defined(TARGET_X86_64)
#define TARGET_PHYS_ADDR_SPACE_BITS 42
-#elif defined(TARGET_I386) && !defined(CONFIG_KQEMU)
+#elif defined(TARGET_I386)
#define TARGET_PHYS_ADDR_SPACE_BITS 36
#else
-/* Note: for compatibility with kqemu, we use 32 bits for x86_64 */
#define TARGET_PHYS_ADDR_SPACE_BITS 32
#endif
#define code_gen_section \
__attribute__((__section__(".gen_code"))) \
__attribute__((aligned (32)))
+#elif defined(_WIN32)
+/* Maximum alignment for Win32 is 16. */
+#define code_gen_section \
+ __attribute__((aligned (16)))
#else
#define code_gen_section \
__attribute__((aligned (32)))
#define SUBPAGE_IDX(addr) ((addr) & ~TARGET_PAGE_MASK)
typedef struct subpage_t {
target_phys_addr_t base;
- CPUReadMemoryFunc **mem_read[TARGET_PAGE_SIZE][4];
- CPUWriteMemoryFunc **mem_write[TARGET_PAGE_SIZE][4];
+ CPUReadMemoryFunc * const *mem_read[TARGET_PAGE_SIZE][4];
+ CPUWriteMemoryFunc * const *mem_write[TARGET_PAGE_SIZE][4];
void *opaque[TARGET_PAGE_SIZE][2][4];
ram_addr_t region_offset[TARGET_PAGE_SIZE][2][4];
} subpage_t;
#if defined(CONFIG_USER_ONLY)
size_t len = sizeof(PageDesc) * L2_SIZE;
/* Don't use qemu_malloc because it may recurse. */
- p = mmap(0, len, PROT_READ | PROT_WRITE,
+ p = mmap(NULL, len, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
*lp = p;
if (h2g_valid(p)) {
return NULL;
p = *lp;
- if (!p)
- return 0;
+ if (!p) {
+ return NULL;
+ }
return p + (index & (L2_SIZE - 1));
}
{
CPUState *env = opaque;
- cpu_synchronize_state(env, 0);
+ cpu_synchronize_state(env);
qemu_put_be32s(f, &env->halted);
qemu_put_be32s(f, &env->interrupt_request);
{
CPUState *env = opaque;
+ cpu_synchronize_state(env);
if (version_id != CPU_COMMON_SAVE_VERSION)
return -EINVAL;
version_id is increased. */
env->interrupt_request &= ~0x01;
tlb_flush(env, 1);
- cpu_synchronize_state(env, 1);
return 0;
}
#endif
+CPUState *qemu_get_cpu(int cpu)
+{
+ CPUState *env = first_cpu;
+
+ while (env) {
+ if (env->cpu_index == cpu)
+ break;
+ env = env->next_cpu;
+ }
+
+ return env;
+}
+
void cpu_exec_init(CPUState *env)
{
CPUState **penv;
for(tb = tb_phys_hash[i]; tb != NULL; tb = tb->phys_hash_next) {
if (!(address + TARGET_PAGE_SIZE <= tb->pc ||
address >= tb->pc + tb->size)) {
- printf("ERROR invalidate: address=%08lx PC=%08lx size=%04x\n",
+ printf("ERROR invalidate: address=" TARGET_FMT_lx
+ " PC=%08lx size=%04x\n",
address, (long)tb->pc, tb->size);
}
}
}
}
-static void tb_jmp_check(TranslationBlock *tb)
-{
- TranslationBlock *tb1;
- unsigned int n1;
-
- /* suppress any remaining jumps to this TB */
- tb1 = tb->jmp_first;
- for(;;) {
- n1 = (long)tb1 & 3;
- tb1 = (TranslationBlock *)((long)tb1 & ~3);
- if (n1 == 2)
- break;
- tb1 = tb1->jmp_next[n1];
- }
- /* check end of list */
- if (tb1 != tb) {
- printf("ERROR: jmp_list from 0x%08lx\n", (long)tb);
- }
-}
-
#endif
/* invalidate one TB */
static char logfile_buf[4096];
setvbuf(logfile, logfile_buf, _IOLBF, sizeof(logfile_buf));
}
-#else
+#elif !defined(_WIN32)
+ /* Win32 doesn't support line-buffering and requires size >= 2 */
setvbuf(logfile, NULL, _IOLBF, 0);
#endif
log_append = 1;
static void cpu_unlink_tb(CPUState *env)
{
-#if defined(USE_NPTL)
+#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
TB_JMP_PAGE_SIZE * sizeof(TranslationBlock *));
}
+static CPUTLBEntry s_cputlb_empty_entry = {
+ .addr_read = -1,
+ .addr_write = -1,
+ .addr_code = -1,
+ .addend = -1,
+};
+
/* NOTE: if flush_global is true, also flush global entries (not
implemented yet) */
void tlb_flush(CPUState *env, int flush_global)
env->current_tb = NULL;
for(i = 0; i < CPU_TLB_SIZE; i++) {
- env->tlb_table[0][i].addr_read = -1;
- env->tlb_table[0][i].addr_write = -1;
- env->tlb_table[0][i].addr_code = -1;
- env->tlb_table[1][i].addr_read = -1;
- env->tlb_table[1][i].addr_write = -1;
- env->tlb_table[1][i].addr_code = -1;
-#if (NB_MMU_MODES >= 3)
- env->tlb_table[2][i].addr_read = -1;
- env->tlb_table[2][i].addr_write = -1;
- env->tlb_table[2][i].addr_code = -1;
-#endif
-#if (NB_MMU_MODES >= 4)
- env->tlb_table[3][i].addr_read = -1;
- env->tlb_table[3][i].addr_write = -1;
- env->tlb_table[3][i].addr_code = -1;
-#endif
-#if (NB_MMU_MODES >= 5)
- env->tlb_table[4][i].addr_read = -1;
- env->tlb_table[4][i].addr_write = -1;
- env->tlb_table[4][i].addr_code = -1;
-#endif
-
+ int mmu_idx;
+ for (mmu_idx = 0; mmu_idx < NB_MMU_MODES; mmu_idx++) {
+ env->tlb_table[mmu_idx][i] = s_cputlb_empty_entry;
+ }
}
memset (env->tb_jmp_cache, 0, TB_JMP_CACHE_SIZE * sizeof (void *));
-#ifdef CONFIG_KQEMU
- if (env->kqemu_enabled) {
- kqemu_flush(env, flush_global);
- }
-#endif
tlb_flush_count++;
}
(TARGET_PAGE_MASK | TLB_INVALID_MASK)) ||
addr == (tlb_entry->addr_code &
(TARGET_PAGE_MASK | TLB_INVALID_MASK))) {
- tlb_entry->addr_read = -1;
- tlb_entry->addr_write = -1;
- tlb_entry->addr_code = -1;
+ *tlb_entry = s_cputlb_empty_entry;
}
}
void tlb_flush_page(CPUState *env, target_ulong addr)
{
int i;
+ int mmu_idx;
#if defined(DEBUG_TLB)
printf("tlb_flush_page: " TARGET_FMT_lx "\n", addr);
addr &= TARGET_PAGE_MASK;
i = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
- tlb_flush_entry(&env->tlb_table[0][i], addr);
- tlb_flush_entry(&env->tlb_table[1][i], addr);
-#if (NB_MMU_MODES >= 3)
- tlb_flush_entry(&env->tlb_table[2][i], addr);
-#endif
-#if (NB_MMU_MODES >= 4)
- tlb_flush_entry(&env->tlb_table[3][i], addr);
-#endif
-#if (NB_MMU_MODES >= 5)
- tlb_flush_entry(&env->tlb_table[4][i], addr);
-#endif
+ for (mmu_idx = 0; mmu_idx < NB_MMU_MODES; mmu_idx++)
+ tlb_flush_entry(&env->tlb_table[mmu_idx][i], addr);
tlb_flush_jmp_cache(env, addr);
-
-#ifdef CONFIG_KQEMU
- if (env->kqemu_enabled) {
- kqemu_flush_page(env, addr);
- }
-#endif
}
/* update the TLBs so that writes to code in the virtual page 'addr'
if (length == 0)
return;
len = length >> TARGET_PAGE_BITS;
-#ifdef CONFIG_KQEMU
- /* XXX: should not depend on cpu context */
- env = first_cpu;
- if (env->kqemu_enabled) {
- ram_addr_t addr;
- addr = start;
- for(i = 0; i < len; i++) {
- kqemu_set_notdirty(env, addr);
- addr += TARGET_PAGE_SIZE;
- }
- }
-#endif
mask = ~dirty_flags;
p = phys_ram_dirty + (start >> TARGET_PAGE_BITS);
for(i = 0; i < len; i++)
}
for(env = first_cpu; env != NULL; env = env->next_cpu) {
- for(i = 0; i < CPU_TLB_SIZE; i++)
- tlb_reset_dirty_range(&env->tlb_table[0][i], start1, length);
- for(i = 0; i < CPU_TLB_SIZE; i++)
- tlb_reset_dirty_range(&env->tlb_table[1][i], start1, length);
-#if (NB_MMU_MODES >= 3)
- for(i = 0; i < CPU_TLB_SIZE; i++)
- tlb_reset_dirty_range(&env->tlb_table[2][i], start1, length);
-#endif
-#if (NB_MMU_MODES >= 4)
- for(i = 0; i < CPU_TLB_SIZE; i++)
- tlb_reset_dirty_range(&env->tlb_table[3][i], start1, length);
-#endif
-#if (NB_MMU_MODES >= 5)
- for(i = 0; i < CPU_TLB_SIZE; i++)
- tlb_reset_dirty_range(&env->tlb_table[4][i], start1, length);
-#endif
+ int mmu_idx;
+ for (mmu_idx = 0; mmu_idx < NB_MMU_MODES; mmu_idx++) {
+ for(i = 0; i < CPU_TLB_SIZE; i++)
+ tlb_reset_dirty_range(&env->tlb_table[mmu_idx][i],
+ start1, length);
+ }
}
}
void cpu_tlb_update_dirty(CPUState *env)
{
int i;
- for(i = 0; i < CPU_TLB_SIZE; i++)
- tlb_update_dirty(&env->tlb_table[0][i]);
- for(i = 0; i < CPU_TLB_SIZE; i++)
- tlb_update_dirty(&env->tlb_table[1][i]);
-#if (NB_MMU_MODES >= 3)
- for(i = 0; i < CPU_TLB_SIZE; i++)
- tlb_update_dirty(&env->tlb_table[2][i]);
-#endif
-#if (NB_MMU_MODES >= 4)
- for(i = 0; i < CPU_TLB_SIZE; i++)
- tlb_update_dirty(&env->tlb_table[3][i]);
-#endif
-#if (NB_MMU_MODES >= 5)
- for(i = 0; i < CPU_TLB_SIZE; i++)
- tlb_update_dirty(&env->tlb_table[4][i]);
-#endif
+ int mmu_idx;
+ for (mmu_idx = 0; mmu_idx < NB_MMU_MODES; mmu_idx++) {
+ for(i = 0; i < CPU_TLB_SIZE; i++)
+ tlb_update_dirty(&env->tlb_table[mmu_idx][i]);
+ }
}
static inline void tlb_set_dirty1(CPUTLBEntry *tlb_entry, target_ulong vaddr)
static inline void tlb_set_dirty(CPUState *env, target_ulong vaddr)
{
int i;
+ int mmu_idx;
vaddr &= TARGET_PAGE_MASK;
i = (vaddr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
- tlb_set_dirty1(&env->tlb_table[0][i], vaddr);
- tlb_set_dirty1(&env->tlb_table[1][i], vaddr);
-#if (NB_MMU_MODES >= 3)
- tlb_set_dirty1(&env->tlb_table[2][i], vaddr);
-#endif
-#if (NB_MMU_MODES >= 4)
- tlb_set_dirty1(&env->tlb_table[3][i], vaddr);
-#endif
-#if (NB_MMU_MODES >= 5)
- tlb_set_dirty1(&env->tlb_table[4][i], vaddr);
-#endif
+ for (mmu_idx = 0; mmu_idx < NB_MMU_MODES; mmu_idx++)
+ tlb_set_dirty1(&env->tlb_table[mmu_idx][i], vaddr);
}
/* add a new TLB entry. At most one entry for a given virtual address
ram_addr_t orig_size = size;
void *subpage;
-#ifdef CONFIG_KQEMU
- /* XXX: should not depend on cpu context */
- env = first_cpu;
- if (env->kqemu_enabled) {
- kqemu_set_phys_mem(start_addr, size, phys_offset);
- }
-#endif
if (kvm_enabled())
kvm_set_phys_mem(start_addr, size, phys_offset);
kvm_uncoalesce_mmio_region(addr, size);
}
-#ifdef CONFIG_KQEMU
-/* XXX: better than nothing */
-static ram_addr_t kqemu_ram_alloc(ram_addr_t size)
-{
- ram_addr_t addr;
- if ((last_ram_offset + size) > kqemu_phys_ram_size) {
- fprintf(stderr, "Not enough memory (requested_size = %" PRIu64 ", max memory = %" PRIu64 ")\n",
- (uint64_t)size, (uint64_t)kqemu_phys_ram_size);
- abort();
- }
- addr = last_ram_offset;
- last_ram_offset = TARGET_PAGE_ALIGN(last_ram_offset + size);
- return addr;
-}
-#endif
-
ram_addr_t qemu_ram_alloc(ram_addr_t size)
{
RAMBlock *new_block;
-#ifdef CONFIG_KQEMU
- if (kqemu_phys_ram_base) {
- return kqemu_ram_alloc(size);
- }
-#endif
-
size = TARGET_PAGE_ALIGN(size);
new_block = qemu_malloc(sizeof(*new_block));
RAMBlock **prevp;
RAMBlock *block;
-#ifdef CONFIG_KQEMU
- if (kqemu_phys_ram_base) {
- return kqemu_phys_ram_base + addr;
- }
-#endif
-
prev = NULL;
prevp = &ram_blocks;
block = ram_blocks;
RAMBlock *block;
uint8_t *host = ptr;
-#ifdef CONFIG_KQEMU
- if (kqemu_phys_ram_base) {
- return host - kqemu_phys_ram_base;
- }
-#endif
-
prev = NULL;
prevp = &ram_blocks;
block = ram_blocks;
#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
}
-static CPUReadMemoryFunc *unassigned_mem_read[3] = {
+static CPUReadMemoryFunc * const unassigned_mem_read[3] = {
unassigned_mem_readb,
unassigned_mem_readw,
unassigned_mem_readl,
};
-static CPUWriteMemoryFunc *unassigned_mem_write[3] = {
+static CPUWriteMemoryFunc * const unassigned_mem_write[3] = {
unassigned_mem_writeb,
unassigned_mem_writew,
unassigned_mem_writel,
#endif
}
stb_p(qemu_get_ram_ptr(ram_addr), val);
-#ifdef CONFIG_KQEMU
- if (cpu_single_env->kqemu_enabled &&
- (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK)
- kqemu_modify_page(cpu_single_env, ram_addr);
-#endif
dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags;
/* we remove the notdirty callback only if the code has been
#endif
}
stw_p(qemu_get_ram_ptr(ram_addr), val);
-#ifdef CONFIG_KQEMU
- if (cpu_single_env->kqemu_enabled &&
- (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK)
- kqemu_modify_page(cpu_single_env, ram_addr);
-#endif
dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags;
/* we remove the notdirty callback only if the code has been
#endif
}
stl_p(qemu_get_ram_ptr(ram_addr), val);
-#ifdef CONFIG_KQEMU
- if (cpu_single_env->kqemu_enabled &&
- (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK)
- kqemu_modify_page(cpu_single_env, ram_addr);
-#endif
dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags;
/* we remove the notdirty callback only if the code has been
tlb_set_dirty(cpu_single_env, cpu_single_env->mem_io_vaddr);
}
-static CPUReadMemoryFunc *error_mem_read[3] = {
+static CPUReadMemoryFunc * const error_mem_read[3] = {
NULL, /* never used */
NULL, /* never used */
NULL, /* never used */
};
-static CPUWriteMemoryFunc *notdirty_mem_write[3] = {
+static CPUWriteMemoryFunc * const notdirty_mem_write[3] = {
notdirty_mem_writeb,
notdirty_mem_writew,
notdirty_mem_writel,
stl_phys(addr, val);
}
-static CPUReadMemoryFunc *watch_mem_read[3] = {
+static CPUReadMemoryFunc * const watch_mem_read[3] = {
watch_mem_readb,
watch_mem_readw,
watch_mem_readl,
};
-static CPUWriteMemoryFunc *watch_mem_write[3] = {
+static CPUWriteMemoryFunc * const watch_mem_write[3] = {
watch_mem_writeb,
watch_mem_writew,
watch_mem_writel,
subpage_writelen(opaque, addr, value, 2);
}
-static CPUReadMemoryFunc *subpage_read[] = {
+static CPUReadMemoryFunc * const subpage_read[] = {
&subpage_readb,
&subpage_readw,
&subpage_readl,
};
-static CPUWriteMemoryFunc *subpage_write[] = {
+static CPUWriteMemoryFunc * const subpage_write[] = {
&subpage_writeb,
&subpage_writew,
&subpage_writel,
idx = SUBPAGE_IDX(start);
eidx = SUBPAGE_IDX(end);
#if defined(DEBUG_SUBPAGE)
- printf("%s: %p start %08x end %08x idx %08x eidx %08x mem %d\n", __func__,
+ printf("%s: %p start %08x end %08x idx %08x eidx %08x mem %ld\n", __func__,
mmio, start, end, idx, eidx, memory);
#endif
memory >>= IO_MEM_SHIFT;
value can be used with cpu_register_physical_memory(). (-1) is
returned if error. */
static int cpu_register_io_memory_fixed(int io_index,
- CPUReadMemoryFunc **mem_read,
- CPUWriteMemoryFunc **mem_write,
+ CPUReadMemoryFunc * const *mem_read,
+ CPUWriteMemoryFunc * const *mem_write,
void *opaque)
{
int i, subwidth = 0;
return (io_index << IO_MEM_SHIFT) | subwidth;
}
-int cpu_register_io_memory(CPUReadMemoryFunc **mem_read,
- CPUWriteMemoryFunc **mem_write,
+int cpu_register_io_memory(CPUReadMemoryFunc * const *mem_read,
+ CPUWriteMemoryFunc * const *mem_write,
void *opaque)
{
return cpu_register_io_memory_fixed(0, mem_read, mem_write, opaque);
io_mem_watch = cpu_register_io_memory(watch_mem_read,
watch_mem_write, NULL);
-#ifdef CONFIG_KQEMU
- if (kqemu_phys_ram_base) {
- /* alloc dirty bits array */
- phys_ram_dirty = qemu_vmalloc(kqemu_phys_ram_size >> TARGET_PAGE_BITS);
- memset(phys_ram_dirty, 0xff, kqemu_phys_ram_size >> TARGET_PAGE_BITS);
- }
-#endif
}
#endif /* !defined(CONFIG_USER_ONLY) */
MapClient *client = (MapClient *)_client;
LIST_REMOVE(client, link);
+ qemu_free(client);
}
static void cpu_notify_map_clients(void)
while (!LIST_EMPTY(&map_client_list)) {
client = LIST_FIRST(&map_client_list);
client->callback(client->opaque);
- LIST_REMOVE(client, link);
+ cpu_unregister_map_client(client);
}
}
projects / qemu.git / blobdiff