diff options
Diffstat (limited to 'target-sparc')
| -rw-r--r-- | target-sparc/cpu.h | 5 | ||||
| -rw-r--r-- | target-sparc/helper.h | 2 | ||||
| -rw-r--r-- | target-sparc/mmu_helper.c | 19 |
3 files changed, 12 insertions, 14 deletions
diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h index 1025752e8f..885ad45c3a 100644 --- a/target-sparc/cpu.h +++ b/target-sparc/cpu.h @@ -699,8 +699,9 @@ uint64_t cpu_tick_get_count(CPUTimer *timer); void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit); trap_state* cpu_tsptr(CPUSPARCState* env); #endif -void do_unaligned_access(CPUSPARCState *env, target_ulong addr, int is_write, - int is_user, void *retaddr); +void QEMU_NORETURN do_unaligned_access(CPUSPARCState *env, target_ulong addr, + int is_write, int is_user, + void *retaddr); #define TB_FLAG_FPU_ENABLED (1 << 4) #define TB_FLAG_AM_ENABLED (1 << 5) diff --git a/target-sparc/helper.h b/target-sparc/helper.h index c4d6225102..e3c7fddbe8 100644 --- a/target-sparc/helper.h +++ b/target-sparc/helper.h @@ -78,7 +78,7 @@ DEF_HELPER_1(fcmpeq_fcc1, void, env) DEF_HELPER_1(fcmpeq_fcc2, void, env) DEF_HELPER_1(fcmpeq_fcc3, void, env) #endif -DEF_HELPER_2(raise_exception, void, env, int) +DEF_HELPER_2(raise_exception, noreturn, env, int) #define F_HELPER_0_1(name) DEF_HELPER_1(f ## name, void, env) DEF_HELPER_3(faddd, f64, env, f64, f64) diff --git a/target-sparc/mmu_helper.c b/target-sparc/mmu_helper.c index 11fb9f5de6..cb73c449f0 100644 --- a/target-sparc/mmu_helper.c +++ b/target-sparc/mmu_helper.c @@ -150,18 +150,17 @@ static int get_physical_address(CPUSPARCState *env, target_phys_addr_t *physical case 3: /* Reserved */ return (3 << 8) | (4 << 2); case 2: /* L3 PTE */ - page_offset = (address & TARGET_PAGE_MASK) & - (TARGET_PAGE_SIZE - 1); + page_offset = 0; } *page_size = TARGET_PAGE_SIZE; break; case 2: /* L2 PTE */ - page_offset = address & 0x3ffff; + page_offset = address & 0x3f000; *page_size = 0x40000; } break; case 2: /* L1 PTE */ - page_offset = address & 0xffffff; + page_offset = address & 0xfff000; *page_size = 0x1000000; } } @@ -206,11 +205,11 @@ int cpu_sparc_handle_mmu_fault(CPUSPARCState *env, target_ulong address, int rw, target_ulong page_size; int error_code = 0, prot, access_index; + address &= TARGET_PAGE_MASK; error_code = get_physical_address(env, &paddr, &prot, &access_index, address, rw, mmu_idx, &page_size); + vaddr = address; if (error_code == 0) { - vaddr = address & TARGET_PAGE_MASK; - paddr &= TARGET_PAGE_MASK; #ifdef DEBUG_MMU printf("Translate at " TARGET_FMT_lx " -> " TARGET_FMT_plx ", vaddr " TARGET_FMT_lx "\n", address, paddr, vaddr); @@ -230,7 +229,6 @@ int cpu_sparc_handle_mmu_fault(CPUSPARCState *env, target_ulong address, int rw, permissions. If no mapping is available, redirect accesses to neverland. Fake/overridden mappings will be flushed when switching to normal mode. */ - vaddr = address & TARGET_PAGE_MASK; prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; tlb_set_page(env, vaddr, paddr, prot, mmu_idx, TARGET_PAGE_SIZE); return 0; @@ -704,17 +702,16 @@ static int get_physical_address(CPUSPARCState *env, target_phys_addr_t *physical int cpu_sparc_handle_mmu_fault(CPUSPARCState *env, target_ulong address, int rw, int mmu_idx) { - target_ulong virt_addr, vaddr; + target_ulong vaddr; target_phys_addr_t paddr; target_ulong page_size; int error_code = 0, prot, access_index; + address &= TARGET_PAGE_MASK; error_code = get_physical_address(env, &paddr, &prot, &access_index, address, rw, mmu_idx, &page_size); if (error_code == 0) { - virt_addr = address & TARGET_PAGE_MASK; - vaddr = virt_addr + ((address & TARGET_PAGE_MASK) & - (TARGET_PAGE_SIZE - 1)); + vaddr = address; trace_mmu_helper_mmu_fault(address, paddr, mmu_idx, env->tl, env->dmmu.mmu_primary_context, |