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generate GPF if non canonical addresses 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1681 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-12-04 18:46:06 +00:00
parent 56c8f68f1d
commit 54ca9095f0
3 changed files with 8 additions and 5 deletions
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2
cpu-exec.c
View File

@ -904,7 +904,7 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
/* we restore the process signal mask as the sigreturn should
do it (XXX: use sigsetjmp) */
sigprocmask(SIG_SETMASK, old_set, NULL);
raise_exception_err(EXCP0E_PAGE, env->error_code);
raise_exception_err(env->exception_index, env->error_code);
} else {
/* activate soft MMU for this block */
env->hflags |= HF_SOFTMMU_MASK;

4
target-i386/helper.c
View File

@ -3478,9 +3478,9 @@ void tlb_fill(target_ulong addr, int is_write, int is_user, void *retaddr)
}
}
if (retaddr)
raise_exception_err(EXCP0E_PAGE, env->error_code);
raise_exception_err(env->exception_index, env->error_code);
else
raise_exception_err_norestore(EXCP0E_PAGE, env->error_code);
raise_exception_err_norestore(env->exception_index, env->error_code);
}
env = saved_env;
}

7
target-i386/helper2.c
View File

@ -566,6 +566,7 @@ int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
env->cr[2] = addr;
env->error_code = (is_write << PG_ERROR_W_BIT);
env->error_code |= PG_ERROR_U_MASK;
env->exception_index = EXCP0E_PAGE;
return 1;
}
@ -620,8 +621,9 @@ int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
/* test virtual address sign extension */
sext = (int64_t)addr >> 47;
if (sext != 0 && sext != -1) {
error_code = 0;
goto do_fault;
env->error_code = 0;
env->exception_index = EXCP0D_GPF;
return 1;
}
pml4e_addr = ((env->cr[3] & ~0xfff) + (((addr >> 39) & 0x1ff) << 3)) &
@ -862,6 +864,7 @@ int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr,
(env->cr[4] & CR4_PAE_MASK))
error_code |= PG_ERROR_I_D_MASK;
env->error_code = error_code;
env->exception_index = EXCP0E_PAGE;
return 1;
}