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avoid using physical accesses in user emulation

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1592 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-10-30 21:23:39 +00:00
parent 74c33bed31
commit 24741ef3de
4 changed files with 156 additions and 142 deletions
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38
target-ppc/helper.c
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@ -36,6 +36,32 @@
/*****************************************************************************/
/* PowerPC MMU emulation */
#if defined(CONFIG_USER_ONLY)
int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw,
int is_user, int is_softmmu)
{
int exception, error_code;
if (rw == 2) {
exception = EXCP_ISI;
error_code = 0;
} else {
exception = EXCP_DSI;
error_code = 0;
if (rw)
error_code |= 0x02000000;
env->spr[SPR_DAR] = address;
env->spr[SPR_DSISR] = error_code;
}
env->exception_index = exception;
env->error_code = error_code;
return 1;
}
target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
{
return addr;
}
#else
/* Perform BAT hit & translation */
static int get_bat (CPUState *env, uint32_t *real, int *prot,
uint32_t virtual, int rw, int type)
@ -355,8 +381,8 @@ static int get_segment (CPUState *env, uint32_t *real, int *prot,
return ret;
}
int get_physical_address (CPUState *env, uint32_t *physical, int *prot,
uint32_t address, int rw, int access_type)
static int get_physical_address (CPUState *env, uint32_t *physical, int *prot,
uint32_t address, int rw, int access_type)
{
int ret;
#if 0
@ -387,12 +413,6 @@ int get_physical_address (CPUState *env, uint32_t *physical, int *prot,
return ret;
}
#if defined(CONFIG_USER_ONLY)
target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
{
return addr;
}
#else
target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
{
uint32_t phys_addr;
@ -402,7 +422,6 @@ target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
return -1;
return phys_addr;
}
#endif
/* Perform address translation */
int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw,
@ -523,6 +542,7 @@ int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw,
}
return ret;
}
#endif
/*****************************************************************************/
/* BATs management */