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debug updates - page_unprotect() is no longer needed in softmmu case 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@505 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-01-04 17:24:35 +00:00
parent 65262d5738
commit dc6f57fd55
1 changed files with 28 additions and 12 deletions
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40
target-i386/helper.c
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@ -281,6 +281,10 @@ static void switch_tss(int tss_selector,
uint8_t *ptr; uint8_t *ptr;
type = (e2 >> DESC_TYPE_SHIFT) & 0xf; type = (e2 >> DESC_TYPE_SHIFT) & 0xf;
#ifdef DEBUG_PCALL
if (loglevel)
fprintf(logfile, "switch_tss: sel=0x%04x type=%d src=%d\n", tss_selector, type, source);
#endif
/* if task gate, we read the TSS segment and we load it */ /* if task gate, we read the TSS segment and we load it */
if (type == 5) { if (type == 5) {
@ -848,24 +852,40 @@ void do_interrupt(int intno, int is_int, int error_code,
{ {
extern FILE *stdout; extern FILE *stdout;
static int count; static int count;
if (env->cr[0] & CR0_PE_MASK) { if ((env->cr[0] && CR0_PE_MASK)) {
fprintf(stdout, "%d: interrupt: vector=%02x error_code=%04x int=%d\n", fprintf(stdout, "%d: interrupt: vector=%02x error_code=%04x int=%d CPL=%d CS:EIP=%04x:%08x SS:ESP=%04x:%08x EAX=%08x\n",
count, intno, error_code, is_int); count, intno, error_code, is_int,
env->hflags & HF_CPL_MASK,
env->segs[R_CS].selector, EIP,
env->segs[R_SS].selector, ESP,
EAX);
if (0) {
cpu_x86_dump_state(env, stdout, X86_DUMP_CCOP);
#if 0
{
int i;
uint8_t *ptr;
fprintf(stdout, " code=");
ptr = env->segs[R_CS].base + env->eip;
for(i = 0; i < 16; i++) {
fprintf(stdout, " %02x", ldub(ptr + i));
}
fprintf(stdout, "\n");
}
#endif
}
count++; count++;
} }
} }
if ((env->cr[0] & CR0_PE_MASK) && intno == 0x10) {
tb_flush(env);
cpu_set_log(CPU_LOG_ALL);
}
#endif #endif
#ifdef DEBUG_PCALL #ifdef DEBUG_PCALL
if (loglevel) { if (loglevel) {
static int count; static int count;
fprintf(logfile, "%d: interrupt: vector=%02x error_code=%04x int=%d\n", fprintf(logfile, "%d: interrupt: vector=%02x error_code=%04x int=%d\n",
count, intno, error_code, is_int); count, intno, error_code, is_int);
cpu_x86_dump_state(env, logfile, X86_DUMP_CCOP); cpu_x86_dump_state(env, logfile, X86_DUMP_CCOP);
#if 1 #if 0
{ {
int i; int i;
uint8_t *ptr; uint8_t *ptr;
@ -2431,10 +2451,6 @@ void tlb_fill(unsigned long addr, int is_write, int is_user, void *retaddr)
generated code */ generated code */
saved_env = env; saved_env = env;
env = cpu_single_env; env = cpu_single_env;
if (is_write && page_unprotect(addr)) {
/* nothing more to do: the page was write protected because
there was code in it. page_unprotect() flushed the code. */
}
ret = cpu_x86_handle_mmu_fault(env, addr, is_write, is_user, 1); ret = cpu_x86_handle_mmu_fault(env, addr, is_write, is_user, 1);
if (ret) { if (ret) {