diff options
Diffstat (limited to 'target/openrisc/sys_helper.c')
| -rw-r--r-- | target/openrisc/sys_helper.c | 84 |
1 files changed, 36 insertions, 48 deletions
diff --git a/target/openrisc/sys_helper.c b/target/openrisc/sys_helper.c index b284064381..b66a45c1e0 100644 --- a/target/openrisc/sys_helper.c +++ b/target/openrisc/sys_helper.c @@ -27,13 +27,12 @@ #define TO_SPR(group, number) (((group) << 11) + (number)) -void HELPER(mtspr)(CPUOpenRISCState *env, - target_ulong ra, target_ulong rb, target_ulong offset) +void HELPER(mtspr)(CPUOpenRISCState *env, target_ulong spr, target_ulong rb) { #ifndef CONFIG_USER_ONLY OpenRISCCPU *cpu = openrisc_env_get_cpu(env); CPUState *cs = CPU(cpu); - int spr = (ra | offset); + target_ulong mr; int idx; switch (spr) { @@ -57,26 +56,7 @@ void HELPER(mtspr)(CPUOpenRISCState *env, break; case TO_SPR(0, 17): /* SR */ - if ((env->sr & (SR_IME | SR_DME | SR_SM)) ^ - (rb & (SR_IME | SR_DME | SR_SM))) { - tlb_flush(cs); - } cpu_set_sr(env, rb); - if (env->sr & SR_DME) { - env->tlb->cpu_openrisc_map_address_data = - &cpu_openrisc_get_phys_data; - } else { - env->tlb->cpu_openrisc_map_address_data = - &cpu_openrisc_get_phys_nommu; - } - - if (env->sr & SR_IME) { - env->tlb->cpu_openrisc_map_address_code = - &cpu_openrisc_get_phys_code; - } else { - env->tlb->cpu_openrisc_map_address_code = - &cpu_openrisc_get_phys_nommu; - } break; case TO_SPR(0, 18): /* PPC */ @@ -98,18 +78,22 @@ void HELPER(mtspr)(CPUOpenRISCState *env, case TO_SPR(0, 1024) ... TO_SPR(0, 1024 + (16 * 32)): /* Shadow GPRs */ idx = (spr - 1024); env->shadow_gpr[idx / 32][idx % 32] = rb; + break; - case TO_SPR(1, 512) ... TO_SPR(1, 512+DTLB_SIZE-1): /* DTLBW0MR 0-127 */ + case TO_SPR(1, 512) ... TO_SPR(1, 512 + TLB_SIZE - 1): /* DTLBW0MR 0-127 */ idx = spr - TO_SPR(1, 512); - if (!(rb & 1)) { - tlb_flush_page(cs, env->tlb->dtlb[0][idx].mr & TARGET_PAGE_MASK); + mr = env->tlb.dtlb[idx].mr; + if (mr & 1) { + tlb_flush_page(cs, mr & TARGET_PAGE_MASK); + } + if (rb & 1) { + tlb_flush_page(cs, rb & TARGET_PAGE_MASK); } - env->tlb->dtlb[0][idx].mr = rb; + env->tlb.dtlb[idx].mr = rb; break; - - case TO_SPR(1, 640) ... TO_SPR(1, 640+DTLB_SIZE-1): /* DTLBW0TR 0-127 */ + case TO_SPR(1, 640) ... TO_SPR(1, 640 + TLB_SIZE - 1): /* DTLBW0TR 0-127 */ idx = spr - TO_SPR(1, 640); - env->tlb->dtlb[0][idx].tr = rb; + env->tlb.dtlb[idx].tr = rb; break; case TO_SPR(1, 768) ... TO_SPR(1, 895): /* DTLBW1MR 0-127 */ case TO_SPR(1, 896) ... TO_SPR(1, 1023): /* DTLBW1TR 0-127 */ @@ -118,17 +102,21 @@ void HELPER(mtspr)(CPUOpenRISCState *env, case TO_SPR(1, 1280) ... TO_SPR(1, 1407): /* DTLBW3MR 0-127 */ case TO_SPR(1, 1408) ... TO_SPR(1, 1535): /* DTLBW3TR 0-127 */ break; - case TO_SPR(2, 512) ... TO_SPR(2, 512+ITLB_SIZE-1): /* ITLBW0MR 0-127 */ + + case TO_SPR(2, 512) ... TO_SPR(2, 512 + TLB_SIZE - 1): /* ITLBW0MR 0-127 */ idx = spr - TO_SPR(2, 512); - if (!(rb & 1)) { - tlb_flush_page(cs, env->tlb->itlb[0][idx].mr & TARGET_PAGE_MASK); + mr = env->tlb.itlb[idx].mr; + if (mr & 1) { + tlb_flush_page(cs, mr & TARGET_PAGE_MASK); + } + if (rb & 1) { + tlb_flush_page(cs, rb & TARGET_PAGE_MASK); } - env->tlb->itlb[0][idx].mr = rb; + env->tlb.itlb[idx].mr = rb; break; - - case TO_SPR(2, 640) ... TO_SPR(2, 640+ITLB_SIZE-1): /* ITLBW0TR 0-127 */ + case TO_SPR(2, 640) ... TO_SPR(2, 640 + TLB_SIZE - 1): /* ITLBW0TR 0-127 */ idx = spr - TO_SPR(2, 640); - env->tlb->itlb[0][idx].tr = rb; + env->tlb.itlb[idx].tr = rb; break; case TO_SPR(2, 768) ... TO_SPR(2, 895): /* ITLBW1MR 0-127 */ case TO_SPR(2, 896) ... TO_SPR(2, 1023): /* ITLBW1TR 0-127 */ @@ -137,6 +125,7 @@ void HELPER(mtspr)(CPUOpenRISCState *env, case TO_SPR(2, 1280) ... TO_SPR(2, 1407): /* ITLBW3MR 0-127 */ case TO_SPR(2, 1408) ... TO_SPR(2, 1535): /* ITLBW3TR 0-127 */ break; + case TO_SPR(5, 1): /* MACLO */ env->mac = deposit64(env->mac, 0, 32, rb); break; @@ -153,7 +142,7 @@ void HELPER(mtspr)(CPUOpenRISCState *env, } break; case TO_SPR(9, 0): /* PICMR */ - env->picmr |= rb; + env->picmr = rb; break; case TO_SPR(9, 2): /* PICSR */ env->picsr &= ~rb; @@ -201,13 +190,12 @@ void HELPER(mtspr)(CPUOpenRISCState *env, #endif } -target_ulong HELPER(mfspr)(CPUOpenRISCState *env, - target_ulong rd, target_ulong ra, uint32_t offset) +target_ulong HELPER(mfspr)(CPUOpenRISCState *env, target_ulong rd, + target_ulong spr) { #ifndef CONFIG_USER_ONLY OpenRISCCPU *cpu = openrisc_env_get_cpu(env); CPUState *cs = CPU(cpu); - int spr = (ra | offset); int idx; switch (spr) { @@ -259,13 +247,13 @@ target_ulong HELPER(mfspr)(CPUOpenRISCState *env, idx = (spr - 1024); return env->shadow_gpr[idx / 32][idx % 32]; - case TO_SPR(1, 512) ... TO_SPR(1, 512+DTLB_SIZE-1): /* DTLBW0MR 0-127 */ + case TO_SPR(1, 512) ... TO_SPR(1, 512 + TLB_SIZE - 1): /* DTLBW0MR 0-127 */ idx = spr - TO_SPR(1, 512); - return env->tlb->dtlb[0][idx].mr; + return env->tlb.dtlb[idx].mr; - case TO_SPR(1, 640) ... TO_SPR(1, 640+DTLB_SIZE-1): /* DTLBW0TR 0-127 */ + case TO_SPR(1, 640) ... TO_SPR(1, 640 + TLB_SIZE - 1): /* DTLBW0TR 0-127 */ idx = spr - TO_SPR(1, 640); - return env->tlb->dtlb[0][idx].tr; + return env->tlb.dtlb[idx].tr; case TO_SPR(1, 768) ... TO_SPR(1, 895): /* DTLBW1MR 0-127 */ case TO_SPR(1, 896) ... TO_SPR(1, 1023): /* DTLBW1TR 0-127 */ @@ -275,13 +263,13 @@ target_ulong HELPER(mfspr)(CPUOpenRISCState *env, case TO_SPR(1, 1408) ... TO_SPR(1, 1535): /* DTLBW3TR 0-127 */ break; - case TO_SPR(2, 512) ... TO_SPR(2, 512+ITLB_SIZE-1): /* ITLBW0MR 0-127 */ + case TO_SPR(2, 512) ... TO_SPR(2, 512 + TLB_SIZE - 1): /* ITLBW0MR 0-127 */ idx = spr - TO_SPR(2, 512); - return env->tlb->itlb[0][idx].mr; + return env->tlb.itlb[idx].mr; - case TO_SPR(2, 640) ... TO_SPR(2, 640+ITLB_SIZE-1): /* ITLBW0TR 0-127 */ + case TO_SPR(2, 640) ... TO_SPR(2, 640 + TLB_SIZE - 1): /* ITLBW0TR 0-127 */ idx = spr - TO_SPR(2, 640); - return env->tlb->itlb[0][idx].tr; + return env->tlb.itlb[idx].tr; case TO_SPR(2, 768) ... TO_SPR(2, 895): /* ITLBW1MR 0-127 */ case TO_SPR(2, 896) ... TO_SPR(2, 1023): /* ITLBW1TR 0-127 */ |