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SPARC64: introduce a convenience function for getting physical addresses

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Introduce cpu_sparc_get_phys_page() to be used as a help for splitting
cpu_get_phys_page_debug() from cpu_get_phys_page_nofault().

Signed-off-by: Tsuneo Saito <tsnsaito@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Tsuneo Saito 2011-07-22 00:16:29 +09:00 committed by Blue Swirl
parent ccc76c24ef
commit 321365ab17
1 changed files with 14 additions and 6 deletions
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20
target-sparc/helper.c
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@ -736,18 +736,26 @@ void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUState *env)
#if !defined(CONFIG_USER_ONLY)
static int cpu_sparc_get_phys_page(CPUState *env, target_phys_addr_t *phys,
target_ulong addr, int rw, int mmu_idx)
{
target_ulong page_size;
int prot, access_index;
return get_physical_address(env, phys, &prot, &access_index, addr, rw,
mmu_idx, &page_size);
}
target_phys_addr_t cpu_get_phys_page_nofault(CPUState *env, target_ulong addr,
int mmu_idx)
{
target_phys_addr_t phys_addr;
target_ulong page_size;
int prot, access_index;
if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2,
mmu_idx, &page_size) != 0)
if (get_physical_address(env, &phys_addr, &prot, &access_index, addr,
0, mmu_idx, &page_size) != 0)
if (cpu_sparc_get_phys_page(env, &phys_addr, addr, 2, mmu_idx) != 0) {
if (cpu_sparc_get_phys_page(env, &phys_addr, addr, 0, mmu_idx) != 0) {
return -1;
}
}
if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
return -1;
return phys_addr;