diff options
Diffstat (limited to 'target-sparc')
| -rw-r--r-- | target-sparc/cpu.h | 8 | ||||
| -rw-r--r-- | target-sparc/helper.c | 2 | ||||
| -rw-r--r-- | target-sparc/op_helper.c | 18 |
3 files changed, 21 insertions, 7 deletions
diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h index 6f5990b130..320530ec9f 100644 --- a/target-sparc/cpu.h +++ b/target-sparc/cpu.h @@ -268,6 +268,8 @@ typedef struct sparc_def_t { #define CPU_FEATURE_GL (1 << 13) #define CPU_FEATURE_TA0_SHUTDOWN (1 << 14) /* Shutdown on "ta 0x0" */ #define CPU_FEATURE_ASR17 (1 << 15) +#define CPU_FEATURE_CACHE_CTRL (1 << 16) + #ifndef TARGET_SPARC64 #define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \ CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ @@ -476,12 +478,14 @@ void cpu_put_cwp64(CPUState *env1, int cwp); int cpu_cwp_inc(CPUState *env1, int cwp); int cpu_cwp_dec(CPUState *env1, int cwp); void cpu_set_cwp(CPUState *env1, int new_cwp); - -void leon3_cache_control_int(void); +void leon3_irq_manager(void *irq_manager, int intno); /* sun4m.c, sun4u.c */ void cpu_check_irqs(CPUSPARCState *env); +/* leon3.c */ +void leon3_irq_ack(void *irq_manager, int intno); + #if defined (TARGET_SPARC64) static inline int compare_masked(uint64_t x, uint64_t y, uint64_t mask) diff --git a/target-sparc/helper.c b/target-sparc/helper.c index 2f3d1e61f3..b2d4d70a11 100644 --- a/target-sparc/helper.c +++ b/target-sparc/helper.c @@ -1289,7 +1289,7 @@ static const sparc_def_t sparc_defs[] = { .mmu_trcr_mask = 0xffffffff, .nwindows = 8, .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN | - CPU_FEATURE_ASR17, + CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL, }, #endif }; diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c index d3e1b63539..854f168c60 100644 --- a/target-sparc/op_helper.c +++ b/target-sparc/op_helper.c @@ -1653,7 +1653,7 @@ static void dump_asi(const char *txt, target_ulong addr, int asi, int size, /* Leon3 cache control */ -void leon3_cache_control_int(void) +static void leon3_cache_control_int(void) { uint32_t state = 0; @@ -1741,11 +1741,17 @@ static uint64_t leon3_cache_control_ld(target_ulong addr, int size) DPRINTF_CACHE_CONTROL("read unknown register %08x\n", addr); break; }; - DPRINTF_CACHE_CONTROL("st addr:%08x, ret:%" PRIx64 ", size:%d\n", + DPRINTF_CACHE_CONTROL("ld addr:%08x, ret:0x%" PRIx64 ", size:%d\n", addr, ret, size); return ret; } +void leon3_irq_manager(void *irq_manager, int intno) +{ + leon3_irq_ack(irq_manager, intno); + leon3_cache_control_int(); +} + uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) { uint64_t ret = 0; @@ -1760,7 +1766,9 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) case 0x00: /* Leon3 Cache Control */ case 0x08: /* Leon3 Instruction Cache config */ case 0x0C: /* Leon3 Date Cache config */ - ret = leon3_cache_control_ld(addr, size); + if (env->def->features & CPU_FEATURE_CACHE_CTRL) { + ret = leon3_cache_control_ld(addr, size); + } break; case 0x01c00a00: /* MXCC control register */ if (size == 8) @@ -1994,7 +2002,9 @@ void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) case 0x00: /* Leon3 Cache Control */ case 0x08: /* Leon3 Instruction Cache config */ case 0x0C: /* Leon3 Date Cache config */ - leon3_cache_control_st(addr, val, size); + if (env->def->features & CPU_FEATURE_CACHE_CTRL) { + leon3_cache_control_st(addr, val, size); + } break; case 0x01c00000: /* MXCC stream data register 0 */ |