diff options
Diffstat (limited to 'target-sparc/op_helper.c')
| -rw-r--r-- | target-sparc/op_helper.c | 279 |
1 files changed, 37 insertions, 242 deletions
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c index b38691e19d..fd0cfbdb73 100644 --- a/target-sparc/op_helper.c +++ b/target-sparc/op_helper.c @@ -316,7 +316,7 @@ static inline target_ulong asi_address_mask(CPUState *env1, static void raise_exception(int tt) { env->exception_index = tt; - cpu_loop_exit(); + cpu_loop_exit(env); } void HELPER(raise_exception)(int tt) @@ -1940,7 +1940,6 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) case 0x31: // Turbosparc RAM snoop case 0x32: // Turbosparc page table descriptor diagnostic case 0x39: /* data cache diagnostic register */ - case 0x4c: /* SuperSPARC MMU Breakpoint Action register */ ret = 0; break; case 0x38: /* SuperSPARC MMU Breakpoint Control Registers */ @@ -1966,6 +1965,18 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) ret); } break; + case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */ + ret = env->mmubpctrv; + break; + case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */ + ret = env->mmubpctrc; + break; + case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */ + ret = env->mmubpctrs; + break; + case 0x4c: /* SuperSPARC MMU Breakpoint Action */ + ret = env->mmubpaction; + break; case 8: /* User code access, XXX */ default: do_unassigned_access(addr, 0, 0, asi, size); @@ -2304,7 +2315,6 @@ void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) // descriptor diagnostic case 0x36: /* I-cache flash clear */ case 0x37: /* D-cache flash clear */ - case 0x4c: /* breakpoint action */ break; case 0x38: /* SuperSPARC MMU Breakpoint Control Registers*/ { @@ -2328,6 +2338,18 @@ void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size) env->mmuregs[reg]); } break; + case 0x49: /* SuperSPARC MMU Counter Breakpoint Value */ + env->mmubpctrv = val & 0xffffffff; + break; + case 0x4a: /* SuperSPARC MMU Counter Breakpoint Control */ + env->mmubpctrc = val & 0x3; + break; + case 0x4b: /* SuperSPARC MMU Counter Breakpoint Status */ + env->mmubpctrs = val & 0x3; + break; + case 0x4c: /* SuperSPARC MMU Breakpoint Action */ + env->mmubpaction = val & 0x1fff; + break; case 8: /* User code access, XXX */ case 9: /* Supervisor code access, XXX */ default: @@ -3702,7 +3724,7 @@ void helper_ldxfsr(uint64_t new_fsr) void helper_debug(void) { env->exception_index = EXCP_DEBUG; - cpu_loop_exit(); + cpu_loop_exit(env); } #ifndef TARGET_SPARC64 @@ -4007,6 +4029,16 @@ void helper_wrpstate(target_ulong new_state) #endif } +void cpu_change_pstate(CPUState *env1, uint32_t new_pstate) +{ + CPUState *saved_env; + + saved_env = env; + env = env1; + change_pstate(new_pstate); + env = saved_env; +} + void helper_wrpil(target_ulong new_pil) { #if !defined(CONFIG_USER_ONLY) @@ -4093,247 +4125,10 @@ void helper_write_softint(uint64_t value) #endif #ifdef TARGET_SPARC64 -#ifdef DEBUG_PCALL -static const char * const excp_names[0x80] = { - [TT_TFAULT] = "Instruction Access Fault", - [TT_TMISS] = "Instruction Access MMU Miss", - [TT_CODE_ACCESS] = "Instruction Access Error", - [TT_ILL_INSN] = "Illegal Instruction", - [TT_PRIV_INSN] = "Privileged Instruction", - [TT_NFPU_INSN] = "FPU Disabled", - [TT_FP_EXCP] = "FPU Exception", - [TT_TOVF] = "Tag Overflow", - [TT_CLRWIN] = "Clean Windows", - [TT_DIV_ZERO] = "Division By Zero", - [TT_DFAULT] = "Data Access Fault", - [TT_DMISS] = "Data Access MMU Miss", - [TT_DATA_ACCESS] = "Data Access Error", - [TT_DPROT] = "Data Protection Error", - [TT_UNALIGNED] = "Unaligned Memory Access", - [TT_PRIV_ACT] = "Privileged Action", - [TT_EXTINT | 0x1] = "External Interrupt 1", - [TT_EXTINT | 0x2] = "External Interrupt 2", - [TT_EXTINT | 0x3] = "External Interrupt 3", - [TT_EXTINT | 0x4] = "External Interrupt 4", - [TT_EXTINT | 0x5] = "External Interrupt 5", - [TT_EXTINT | 0x6] = "External Interrupt 6", - [TT_EXTINT | 0x7] = "External Interrupt 7", - [TT_EXTINT | 0x8] = "External Interrupt 8", - [TT_EXTINT | 0x9] = "External Interrupt 9", - [TT_EXTINT | 0xa] = "External Interrupt 10", - [TT_EXTINT | 0xb] = "External Interrupt 11", - [TT_EXTINT | 0xc] = "External Interrupt 12", - [TT_EXTINT | 0xd] = "External Interrupt 13", - [TT_EXTINT | 0xe] = "External Interrupt 14", - [TT_EXTINT | 0xf] = "External Interrupt 15", -}; -#endif - trap_state* cpu_tsptr(CPUState* env) { return &env->ts[env->tl & MAXTL_MASK]; } - -void do_interrupt(CPUState *env) -{ - int intno = env->exception_index; - trap_state* tsptr; - -#ifdef DEBUG_PCALL - if (qemu_loglevel_mask(CPU_LOG_INT)) { - static int count; - const char *name; - - if (intno < 0 || intno >= 0x180) - name = "Unknown"; - else if (intno >= 0x100) - name = "Trap Instruction"; - else if (intno >= 0xc0) - name = "Window Fill"; - else if (intno >= 0x80) - name = "Window Spill"; - else { - name = excp_names[intno]; - if (!name) - name = "Unknown"; - } - - qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64 - " SP=%016" PRIx64 "\n", - count, name, intno, - env->pc, - env->npc, env->regwptr[6]); - log_cpu_state(env, 0); -#if 0 - { - int i; - uint8_t *ptr; - - qemu_log(" code="); - ptr = (uint8_t *)env->pc; - for(i = 0; i < 16; i++) { - qemu_log(" %02x", ldub(ptr + i)); - } - qemu_log("\n"); - } -#endif - count++; - } -#endif -#if !defined(CONFIG_USER_ONLY) - if (env->tl >= env->maxtl) { - cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d)," - " Error state", env->exception_index, env->tl, env->maxtl); - return; - } -#endif - if (env->tl < env->maxtl - 1) { - env->tl++; - } else { - env->pstate |= PS_RED; - if (env->tl < env->maxtl) - env->tl++; - } - tsptr = cpu_tsptr(env); - - tsptr->tstate = (get_ccr() << 32) | - ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) | - get_cwp64(); - tsptr->tpc = env->pc; - tsptr->tnpc = env->npc; - tsptr->tt = intno; - - switch (intno) { - case TT_IVEC: - change_pstate(PS_PEF | PS_PRIV | PS_IG); - break; - case TT_TFAULT: - case TT_DFAULT: - case TT_TMISS ... TT_TMISS + 3: - case TT_DMISS ... TT_DMISS + 3: - case TT_DPROT ... TT_DPROT + 3: - change_pstate(PS_PEF | PS_PRIV | PS_MG); - break; - default: - change_pstate(PS_PEF | PS_PRIV | PS_AG); - break; - } - - if (intno == TT_CLRWIN) { - set_cwp(cwp_dec(env->cwp - 1)); - } else if ((intno & 0x1c0) == TT_SPILL) { - set_cwp(cwp_dec(env->cwp - env->cansave - 2)); - } else if ((intno & 0x1c0) == TT_FILL) { - set_cwp(cwp_inc(env->cwp + 1)); - } - env->tbr &= ~0x7fffULL; - env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); - env->pc = env->tbr; - env->npc = env->pc + 4; - env->exception_index = -1; -} -#else -#ifdef DEBUG_PCALL -static const char * const excp_names[0x80] = { - [TT_TFAULT] = "Instruction Access Fault", - [TT_ILL_INSN] = "Illegal Instruction", - [TT_PRIV_INSN] = "Privileged Instruction", - [TT_NFPU_INSN] = "FPU Disabled", - [TT_WIN_OVF] = "Window Overflow", - [TT_WIN_UNF] = "Window Underflow", - [TT_UNALIGNED] = "Unaligned Memory Access", - [TT_FP_EXCP] = "FPU Exception", - [TT_DFAULT] = "Data Access Fault", - [TT_TOVF] = "Tag Overflow", - [TT_EXTINT | 0x1] = "External Interrupt 1", - [TT_EXTINT | 0x2] = "External Interrupt 2", - [TT_EXTINT | 0x3] = "External Interrupt 3", - [TT_EXTINT | 0x4] = "External Interrupt 4", - [TT_EXTINT | 0x5] = "External Interrupt 5", - [TT_EXTINT | 0x6] = "External Interrupt 6", - [TT_EXTINT | 0x7] = "External Interrupt 7", - [TT_EXTINT | 0x8] = "External Interrupt 8", - [TT_EXTINT | 0x9] = "External Interrupt 9", - [TT_EXTINT | 0xa] = "External Interrupt 10", - [TT_EXTINT | 0xb] = "External Interrupt 11", - [TT_EXTINT | 0xc] = "External Interrupt 12", - [TT_EXTINT | 0xd] = "External Interrupt 13", - [TT_EXTINT | 0xe] = "External Interrupt 14", - [TT_EXTINT | 0xf] = "External Interrupt 15", - [TT_TOVF] = "Tag Overflow", - [TT_CODE_ACCESS] = "Instruction Access Error", - [TT_DATA_ACCESS] = "Data Access Error", - [TT_DIV_ZERO] = "Division By Zero", - [TT_NCP_INSN] = "Coprocessor Disabled", -}; -#endif - -void do_interrupt(CPUState *env) -{ - int cwp, intno = env->exception_index; - -#ifdef DEBUG_PCALL - if (qemu_loglevel_mask(CPU_LOG_INT)) { - static int count; - const char *name; - - if (intno < 0 || intno >= 0x100) - name = "Unknown"; - else if (intno >= 0x80) - name = "Trap Instruction"; - else { - name = excp_names[intno]; - if (!name) - name = "Unknown"; - } - - qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n", - count, name, intno, - env->pc, - env->npc, env->regwptr[6]); - log_cpu_state(env, 0); -#if 0 - { - int i; - uint8_t *ptr; - - qemu_log(" code="); - ptr = (uint8_t *)env->pc; - for(i = 0; i < 16; i++) { - qemu_log(" %02x", ldub(ptr + i)); - } - qemu_log("\n"); - } -#endif - count++; - } -#endif -#if !defined(CONFIG_USER_ONLY) - if (env->psret == 0) { - cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state", - env->exception_index); - return; - } -#endif - env->psret = 0; - cwp = cwp_dec(env->cwp - 1); - set_cwp(cwp); - env->regwptr[9] = env->pc; - env->regwptr[10] = env->npc; - env->psrps = env->psrs; - env->psrs = 1; - env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4); - env->pc = env->tbr; - env->npc = env->pc + 4; - env->exception_index = -1; - -#if !defined(CONFIG_USER_ONLY) - /* IRQ acknowledgment */ - if ((intno & ~15) == TT_EXTINT && env->qemu_irq_ack != NULL) { - env->qemu_irq_ack(env->irq_manager, intno); - } -#endif -} #endif #if !defined(CONFIG_USER_ONLY) @@ -4402,7 +4197,7 @@ void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr) ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1); if (ret) { cpu_restore_state2(retaddr); - cpu_loop_exit(); + cpu_loop_exit(env); } env = saved_env; } |