diff options
Diffstat (limited to 'target-openrisc/mmu.c')
-rw-r--r-- | target-openrisc/mmu.c | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/target-openrisc/mmu.c b/target-openrisc/mmu.c index 57f5616e9..750a93636 100644 --- a/target-openrisc/mmu.c +++ b/target-openrisc/mmu.c @@ -32,7 +32,7 @@ int cpu_openrisc_get_phys_nommu(OpenRISCCPU *cpu, int *prot, target_ulong address, int rw) { *physical = address; - *prot = PAGE_READ | PAGE_WRITE; + *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC; return TLBRET_MATCH; } @@ -102,7 +102,7 @@ int cpu_openrisc_get_phys_data(OpenRISCCPU *cpu, } } - if ((rw & 0) && ((right & PAGE_READ) == 0)) { + if (!(rw & 1) && ((right & PAGE_READ) == 0)) { return TLBRET_BADADDR; } if ((rw & 1) && ((right & PAGE_WRITE) == 0)) { @@ -122,13 +122,6 @@ static int cpu_openrisc_get_phys_addr(OpenRISCCPU *cpu, { int ret = TLBRET_MATCH; - /* [0x0000--0x2000]: unmapped */ - if (address < 0x2000 && (cpu->env.sr & SR_SM)) { - *physical = address; - *prot = PAGE_READ | PAGE_WRITE; - return ret; - } - if (rw == 2) { /* ITLB */ *physical = 0; ret = cpu->env.tlb->cpu_openrisc_map_address_code(cpu, physical, @@ -146,6 +139,7 @@ static void cpu_openrisc_raise_mmu_exception(OpenRISCCPU *cpu, target_ulong address, int rw, int tlb_error) { + CPUState *cs = CPU(cpu); int exception = 0; switch (tlb_error) { @@ -176,25 +170,25 @@ static void cpu_openrisc_raise_mmu_exception(OpenRISCCPU *cpu, #endif } - cpu->env.exception_index = exception; + cs->exception_index = exception; cpu->env.eear = address; } #ifndef CONFIG_USER_ONLY -int cpu_openrisc_handle_mmu_fault(CPUOpenRISCState *env, - target_ulong address, int rw, int mmu_idx) +int openrisc_cpu_handle_mmu_fault(CPUState *cs, + vaddr address, int rw, int mmu_idx) { + OpenRISCCPU *cpu = OPENRISC_CPU(cs); int ret = 0; hwaddr physical = 0; int prot = 0; - OpenRISCCPU *cpu = openrisc_env_get_cpu(env); ret = cpu_openrisc_get_phys_addr(cpu, &physical, &prot, address, rw); if (ret == TLBRET_MATCH) { - tlb_set_page(env, address & TARGET_PAGE_MASK, - physical & TARGET_PAGE_MASK, prot | PAGE_EXEC, + tlb_set_page(cs, address & TARGET_PAGE_MASK, + physical & TARGET_PAGE_MASK, prot, mmu_idx, TARGET_PAGE_SIZE); ret = 0; } else if (ret < 0) { @@ -205,11 +199,11 @@ int cpu_openrisc_handle_mmu_fault(CPUOpenRISCState *env, return ret; } #else -int cpu_openrisc_handle_mmu_fault(CPUOpenRISCState *env, - target_ulong address, int rw, int mmu_idx) +int openrisc_cpu_handle_mmu_fault(CPUState *cs, + vaddr address, int rw, int mmu_idx) { + OpenRISCCPU *cpu = OPENRISC_CPU(cs); int ret = 0; - OpenRISCCPU *cpu = openrisc_env_get_cpu(env); cpu_openrisc_raise_mmu_exception(cpu, address, rw, ret); ret = 1; |