Revision 6ebbf390 target-sparc/helper.c
| b/target-sparc/helper.c | ||
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| 49 | 49 |
#if defined(CONFIG_USER_ONLY) |
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int cpu_sparc_handle_mmu_fault(CPUState *env, target_ulong address, int rw, |
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int is_user, int is_softmmu)
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int mmu_idx, int is_softmmu)
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{
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if (rw & 2) |
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env->exception_index = TT_TFAULT; |
| ... | ... | |
| 100 | 100 |
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int get_physical_address (CPUState *env, target_phys_addr_t *physical, int *prot, |
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int *access_index, target_ulong address, int rw, |
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int is_user)
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int mmu_idx)
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{
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int access_perms = 0; |
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target_phys_addr_t pde_ptr; |
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uint32_t pde; |
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target_ulong virt_addr; |
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int error_code = 0, is_dirty; |
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int error_code = 0, is_dirty, is_user;
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unsigned long page_offset; |
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is_user = mmu_idx == MMU_USER_IDX; |
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virt_addr = address & TARGET_PAGE_MASK; |
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if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
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| ... | ... | |
| 216 | 217 |
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/* Perform address translation */ |
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int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
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int is_user, int is_softmmu)
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int mmu_idx, int is_softmmu)
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{
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target_phys_addr_t paddr; |
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target_ulong vaddr; |
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int error_code = 0, prot, ret = 0, access_index; |
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error_code = get_physical_address(env, &paddr, &prot, &access_index, address, rw, is_user);
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error_code = get_physical_address(env, &paddr, &prot, &access_index, address, rw, mmu_idx);
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if (error_code == 0) {
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vaddr = address & TARGET_PAGE_MASK; |
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paddr &= TARGET_PAGE_MASK; |
| ... | ... | |
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printf("Translate at " TARGET_FMT_lx " -> " TARGET_FMT_plx ", vaddr "
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TARGET_FMT_lx "\n", address, paddr, vaddr); |
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#endif |
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ret = tlb_set_page_exec(env, vaddr, paddr, prot, is_user, is_softmmu);
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ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
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return ret; |
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} |
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|
| ... | ... | |
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// switching to normal mode. |
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vaddr = address & TARGET_PAGE_MASK; |
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prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; |
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ret = tlb_set_page_exec(env, vaddr, paddr, prot, is_user, is_softmmu);
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ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
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return ret; |
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} else {
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if (rw & 2) |
| ... | ... | |
| 484 | 485 |
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int get_physical_address(CPUState *env, target_phys_addr_t *physical, int *prot, |
| 486 | 487 |
int *access_index, target_ulong address, int rw, |
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int is_user)
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int mmu_idx)
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{
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int is_user = mmu_idx == MMU_USER_IDX; |
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if (rw == 2) |
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return get_physical_address_code(env, physical, prot, access_index, address, rw, is_user); |
| 491 | 494 |
else |
| ... | ... | |
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/* Perform address translation */ |
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int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
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int is_user, int is_softmmu)
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int mmu_idx, int is_softmmu)
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{
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target_ulong virt_addr, vaddr; |
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target_phys_addr_t paddr; |
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int error_code = 0, prot, ret = 0, access_index; |
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error_code = get_physical_address(env, &paddr, &prot, &access_index, address, rw, is_user);
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error_code = get_physical_address(env, &paddr, &prot, &access_index, address, rw, mmu_idx);
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if (error_code == 0) {
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virt_addr = address & TARGET_PAGE_MASK; |
| 506 | 509 |
vaddr = virt_addr + ((address & TARGET_PAGE_MASK) & (TARGET_PAGE_SIZE - 1)); |
| 507 | 510 |
#ifdef DEBUG_MMU |
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printf("Translate at 0x%" PRIx64 " -> 0x%" PRIx64 ", vaddr 0x%" PRIx64 "\n", address, paddr, vaddr);
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#endif |
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ret = tlb_set_page_exec(env, vaddr, paddr, prot, is_user, is_softmmu);
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ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
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return ret; |
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} |
| 513 | 516 |
// XXX |
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