{
SYSTEM_INFO system_info;
DWORD old_protect;
-
+
GetSystemInfo(&system_info);
qemu_real_host_page_size = system_info.dwPageSize;
-
+
VirtualProtect(code_gen_buffer, sizeof(code_gen_buffer),
PAGE_EXECUTE_READWRITE, &old_protect);
}
start = (unsigned long)code_gen_buffer;
start &= ~(qemu_real_host_page_size - 1);
-
+
end = (unsigned long)code_gen_buffer + sizeof(code_gen_buffer);
end += qemu_real_host_page_size - 1;
end &= ~(qemu_real_host_page_size - 1);
-
+
mprotect((void *)start, end - start,
PROT_READ | PROT_WRITE | PROT_EXEC);
}
{
CPUState *env;
#if defined(DEBUG_FLUSH)
- printf("qemu: flush code_size=%d nb_tbs=%d avg_tb_size=%d\n",
- code_gen_ptr - code_gen_buffer,
- nb_tbs,
- nb_tbs > 0 ? (code_gen_ptr - code_gen_buffer) / nb_tbs : 0);
+ printf("qemu: flush code_size=%ld nb_tbs=%d avg_tb_size=%ld\n",
+ (unsigned long)(code_gen_ptr - code_gen_buffer),
+ nb_tbs, nb_tbs > 0 ?
+ ((unsigned long)(code_gen_ptr - code_gen_buffer)) / nb_tbs : 0);
#endif
nb_tbs = 0;
-
+
for(env = first_cpu; env != NULL; env = env->next_cpu) {
memset (env->tb_jmp_cache, 0, TB_JMP_CACHE_SIZE * sizeof (void *));
}
{
TranslationBlock *tb;
int i, flags1, flags2;
-
+
for(i = 0;i < CODE_GEN_PHYS_HASH_SIZE; i++) {
for(tb = tb_phys_hash[i]; tb != NULL; tb = tb->phys_hash_next) {
flags1 = page_get_flags(tb->pc);
unsigned int h, n1;
target_ulong phys_pc;
TranslationBlock *tb1, *tb2;
-
+
/* remove the TB from the hash list */
phys_pc = tb->page_addr[0] + (tb->pc & ~TARGET_PAGE_MASK);
h = tb_phys_hash_func(phys_pc);
{
int n, tb_start, tb_end;
TranslationBlock *tb;
-
+
p->code_bitmap = qemu_malloc(TARGET_PAGE_SIZE / 8);
if (!p->code_bitmap)
return;
tb->cflags = cflags;
cpu_gen_code(env, tb, CODE_GEN_MAX_SIZE, &code_gen_size);
code_gen_ptr = (void *)(((unsigned long)code_gen_ptr + code_gen_size + CODE_GEN_ALIGN - 1) & ~(CODE_GEN_ALIGN - 1));
-
+
/* check next page if needed */
virt_page2 = (pc + tb->size - 1) & TARGET_PAGE_MASK;
phys_page2 = -1;
tb_link_phys(tb, phys_pc, phys_page2);
}
#endif
-
+
/* invalidate all TBs which intersect with the target physical page
starting in range [start;end[. NOTE: start and end must refer to
the same physical page. 'is_cpu_write_access' should be true if called
that the modification is after the current PC, but it
would require a specialized function to partially
restore the CPU state */
-
+
current_tb_modified = 1;
cpu_restore_state(current_tb, env,
env->mem_write_pc, NULL);
that the modification is after the current PC, but it
would require a specialized function to partially
restore the CPU state */
-
+
current_tb_modified = 1;
cpu_restore_state(current_tb, env, pc, puc);
#if defined(TARGET_I386)
mprotect(g2h(page_addr), qemu_host_page_size,
(prot & PAGE_BITS) & ~PAGE_WRITE);
#ifdef DEBUG_TB_INVALIDATE
- printf("protecting code page: 0x%08lx\n",
+ printf("protecting code page: 0x" TARGET_FMT_lx "\n",
page_addr);
#endif
}
tb->jmp_first = (TranslationBlock *)((long)tb | 2);
tb->jmp_next[0] = NULL;
tb->jmp_next[1] = NULL;
-#ifdef USE_CODE_COPY
- tb->cflags &= ~CF_FP_USED;
- if (tb->cflags & CF_TB_FP_USED)
- tb->cflags |= CF_FP_USED;
-#endif
/* init original jump addresses */
if (tb->tb_next_offset[0] != 0xffff)
}
*ptb = tb->jmp_next[n];
tb->jmp_next[n] = NULL;
-
+
/* suppress the jump to next tb in generated code */
tb_reset_jump(tb, n);
{
#if defined(TARGET_HAS_ICE)
int i;
-
+
for(i = 0; i < env->nb_breakpoints; i++) {
if (env->breakpoints[i] == pc)
return 0;
if (env->nb_breakpoints >= MAX_BREAKPOINTS)
return -1;
env->breakpoints[env->nb_breakpoints++] = pc;
-
+
breakpoint_invalidate(env, pc);
return 0;
#else
return 0;
return memcmp(s1, s2, n) == 0;
}
-
+
/* takes a comma separated list of log masks. Return 0 if error. */
int cpu_str_to_log_mask(const char *str)
{
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
#ifdef TARGET_I386
+ if(env->intercept & INTERCEPT_SVM_MASK) {
+ /* most probably the virtual machine should not
+ be shut down but rather caught by the VMM */
+ vmexit(SVM_EXIT_SHUTDOWN, 0);
+ }
cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP);
#else
cpu_dump_state(env, stderr, fprintf, 0);
#endif
- va_end(ap);
if (logfile) {
+ fprintf(logfile, "qemu: fatal: ");
+ vfprintf(logfile, fmt, ap);
+ fprintf(logfile, "\n");
+#ifdef TARGET_I386
+ cpu_dump_state(env, logfile, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP);
+#else
+ cpu_dump_state(env, logfile, fprintf, 0);
+#endif
fflush(logfile);
fclose(logfile);
}
+ va_end(ap);
abort();
}
CPUState *cpu_copy(CPUState *env)
{
+#if 0
+ /* XXX: broken, must be handled by each CPU */
CPUState *new_env = cpu_init();
/* preserve chaining and index */
CPUState *next_cpu = new_env->next_cpu;
new_env->next_cpu = next_cpu;
new_env->cpu_index = cpu_index;
return new_env;
+#else
+ return NULL;
+#endif
}
#if !defined(CONFIG_USER_ONLY)
conflicting with the host address space). */
int tlb_set_page_exec(CPUState *env, target_ulong vaddr,
target_phys_addr_t paddr, int prot,
- int is_user, int is_softmmu)
+ int mmu_idx, int is_softmmu)
{
PhysPageDesc *p;
unsigned long pd;
pd = p->phys_offset;
}
#if defined(DEBUG_TLB)
- printf("tlb_set_page: vaddr=" TARGET_FMT_lx " paddr=0x%08x prot=%x u=%d smmu=%d pd=0x%08lx\n",
- vaddr, (int)paddr, prot, is_user, is_softmmu, pd);
+ printf("tlb_set_page: vaddr=" TARGET_FMT_lx " paddr=0x%08x prot=%x idx=%d smmu=%d pd=0x%08lx\n",
+ vaddr, (int)paddr, prot, mmu_idx, is_softmmu, pd);
#endif
ret = 0;
index = (vaddr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
addend -= vaddr;
- te = &env->tlb_table[is_user][index];
+ te = &env->tlb_table[mmu_idx][index];
te->addend = addend;
if (prot & PAGE_READ) {
te->addr_read = address;
/* if code is present, we only map as read only and save the
original mapping */
VirtPageDesc *vp;
-
+
vp = virt_page_find_alloc(vaddr >> TARGET_PAGE_BITS, 1);
vp->phys_addr = pd;
vp->prot = prot;
int tlb_set_page_exec(CPUState *env, target_ulong vaddr,
target_phys_addr_t paddr, int prot,
- int is_user, int is_softmmu)
+ int mmu_idx, int is_softmmu)
{
return 0;
}
spin_unlock(&tb_lock);
}
+int page_check_range(target_ulong start, target_ulong len, int flags)
+{
+ PageDesc *p;
+ target_ulong end;
+ target_ulong addr;
+
+ end = TARGET_PAGE_ALIGN(start+len); /* must do before we loose bits in the next step */
+ start = start & TARGET_PAGE_MASK;
+
+ if( end < start )
+ /* we've wrapped around */
+ return -1;
+ for(addr = start; addr < end; addr += TARGET_PAGE_SIZE) {
+ p = page_find(addr >> TARGET_PAGE_BITS);
+ if( !p )
+ return -1;
+ if( !(p->flags & PAGE_VALID) )
+ return -1;
+
+ if (!(p->flags & PAGE_READ) && (flags & PAGE_READ) )
+ return -1;
+ if (!(p->flags & PAGE_WRITE) && (flags & PAGE_WRITE) )
+ return -1;
+ }
+ return 0;
+}
+
/* called from signal handler: invalidate the code and unprotect the
page. Return TRUE if the fault was succesfully handled. */
int page_unprotect(target_ulong address, unsigned long pc, void *puc)
}
}
}
-
+
/* since each CPU stores ram addresses in its TLB cache, we must
reset the modified entries */
/* XXX: slow ! */
static uint32_t unassigned_mem_readb(void *opaque, target_phys_addr_t addr)
{
#ifdef DEBUG_UNASSIGNED
- printf("Unassigned mem read " TARGET_FMT_lx "\n", addr);
+ printf("Unassigned mem read " TARGET_FMT_plx "\n", addr);
#endif
#ifdef TARGET_SPARC
do_unassigned_access(addr, 0, 0, 0);
+#elif TARGET_CRIS
+ do_unassigned_access(addr, 0, 0, 0);
#endif
return 0;
}
static void unassigned_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
{
#ifdef DEBUG_UNASSIGNED
- printf("Unassigned mem write " TARGET_FMT_lx " = 0x%x\n", addr, val);
+ printf("Unassigned mem write " TARGET_FMT_plx " = 0x%x\n", addr, val);
#endif
#ifdef TARGET_SPARC
do_unassigned_access(addr, 1, 0, 0);
+#elif TARGET_CRIS
+ do_unassigned_access(addr, 1, 0, 0);
#endif
}
target_phys_addr_t page;
unsigned long pd;
PhysPageDesc *p;
-
+
while (len > 0) {
page = addr & TARGET_PAGE_MASK;
l = (page + TARGET_PAGE_SIZE) - addr;
} else {
pd = p->phys_offset;
}
-
+
if (is_write) {
if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM) {
io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
target_phys_addr_t page;
unsigned long pd;
PhysPageDesc *p;
-
+
while (len > 0) {
page = addr & TARGET_PAGE_MASK;
l = (page + TARGET_PAGE_SIZE) - addr;
} else {
pd = p->phys_offset;
}
-
+
if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM &&
(pd & ~TARGET_PAGE_MASK) != IO_MEM_ROM &&
!(pd & IO_MEM_ROMD)) {
} else {
pd = p->phys_offset;
}
-
+
if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM &&
!(pd & IO_MEM_ROMD)) {
/* I/O case */
} else {
pd = p->phys_offset;
}
-
+
if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM &&
!(pd & IO_MEM_ROMD)) {
/* I/O case */
} else {
pd = p->phys_offset;
}
-
+
if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM) {
io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
io_mem_write[io_index][2](io_mem_opaque[io_index], addr, val);
} else {
pd = p->phys_offset;
}
-
+
if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM) {
io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
#ifdef TARGET_WORDS_BIGENDIAN
} else {
pd = p->phys_offset;
}
-
+
if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM) {
io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
io_mem_write[io_index][2](io_mem_opaque[io_index], addr, val);
int i, target_code_size, max_target_code_size;
int direct_jmp_count, direct_jmp2_count, cross_page;
TranslationBlock *tb;
-
+
target_code_size = 0;
max_target_code_size = 0;
cross_page = 0;
projects / qemu / blobdiff