diff options
Diffstat (limited to 'target/ppc')
| -rw-r--r-- | target/ppc/cpu-models.c | 2 | ||||
| -rw-r--r-- | target/ppc/cpu-models.h | 1 | ||||
| -rw-r--r-- | target/ppc/cpu.h | 9 | ||||
| -rw-r--r-- | target/ppc/cpu_init.c | 150 | ||||
| -rw-r--r-- | target/ppc/excp_helper.c | 674 | ||||
| -rw-r--r-- | target/ppc/helper.h | 2 | ||||
| -rw-r--r-- | target/ppc/helper_regs.c | 12 | ||||
| -rw-r--r-- | target/ppc/int_helper.c | 21 | ||||
| -rw-r--r-- | target/ppc/machine.c | 2 | ||||
| -rw-r--r-- | target/ppc/mfrom_table.c.inc | 78 | ||||
| -rw-r--r-- | target/ppc/mfrom_table_gen.c | 34 | ||||
| -rw-r--r-- | target/ppc/mmu_common.c | 18 | ||||
| -rw-r--r-- | target/ppc/mmu_helper.c | 12 | ||||
| -rw-r--r-- | target/ppc/translate.c | 32 |
14 files changed, 712 insertions, 335 deletions
diff --git a/target/ppc/cpu-models.c b/target/ppc/cpu-models.c index 764afe5a2a..a2c720cc4d 100644 --- a/target/ppc/cpu-models.c +++ b/target/ppc/cpu-models.c @@ -428,8 +428,6 @@ "PowerPC 601v1") POWERPC_DEF("601_v2", CPU_POWERPC_601_v2, 601v, "PowerPC 601v2") - POWERPC_DEF("602", CPU_POWERPC_602, 602, - "PowerPC 602") POWERPC_DEF("603", CPU_POWERPC_603, 603, "PowerPC 603") POWERPC_DEF("603e_v1.1", CPU_POWERPC_603E_v11, 603E, diff --git a/target/ppc/cpu-models.h b/target/ppc/cpu-models.h index bf1dc7e5ca..612978a3fb 100644 --- a/target/ppc/cpu-models.h +++ b/target/ppc/cpu-models.h @@ -208,7 +208,6 @@ enum { CPU_POWERPC_601_v0 = 0x00010001, CPU_POWERPC_601_v1 = 0x00010001, CPU_POWERPC_601_v2 = 0x00010002, - CPU_POWERPC_602 = 0x00050100, CPU_POWERPC_603 = 0x00030100, CPU_POWERPC_603E_v11 = 0x00060101, CPU_POWERPC_603E_v12 = 0x00060102, diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 2560b70c5f..dcd83b503c 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -321,12 +321,11 @@ typedef enum { #define MSR_UCLE 26 /* User-mode cache lock enable for BookE */ #define MSR_VR 25 /* altivec available x hflags */ #define MSR_SPE 25 /* SPE enable for BookE x hflags */ -#define MSR_AP 23 /* Access privilege state on 602 hflags */ #define MSR_VSX 23 /* Vector Scalar Extension (ISA 2.06 and later) x hflags */ -#define MSR_SA 22 /* Supervisor access mode on 602 hflags */ #define MSR_S 22 /* Secure state */ #define MSR_KEY 19 /* key bit on 603e */ #define MSR_POW 18 /* Power management */ +#define MSR_WE 18 /* Wait State Enable on 405 */ #define MSR_TGPR 17 /* TGPR usage on 602/603 x */ #define MSR_CE 17 /* Critical interrupt enable on embedded PowerPC x */ #define MSR_ILE 16 /* Interrupt little-endian mode */ @@ -476,9 +475,7 @@ typedef enum { #define msr_ucle ((env->msr >> MSR_UCLE) & 1) #define msr_vr ((env->msr >> MSR_VR) & 1) #define msr_spe ((env->msr >> MSR_SPE) & 1) -#define msr_ap ((env->msr >> MSR_AP) & 1) #define msr_vsx ((env->msr >> MSR_VSX) & 1) -#define msr_sa ((env->msr >> MSR_SA) & 1) #define msr_key ((env->msr >> MSR_KEY) & 1) #define msr_pow ((env->msr >> MSR_POW) & 1) #define msr_tgpr ((env->msr >> MSR_TGPR) & 1) @@ -2141,8 +2138,6 @@ enum { PPC_MFTB = 0x0000000000000200ULL, /* Fixed-point unit extensions */ - /* PowerPC 602 specific */ - PPC_602_SPEC = 0x0000000000000400ULL, /* isel instruction */ PPC_ISEL = 0x0000000000000800ULL, /* popcntb instruction */ @@ -2244,7 +2239,7 @@ enum { #define PPC_TCG_INSNS (PPC_INSNS_BASE | PPC_POWER | PPC_POWER2 \ | PPC_POWER_RTC | PPC_POWER_BR | PPC_64B \ | PPC_64BX | PPC_64H | PPC_WAIT | PPC_MFTB \ - | PPC_602_SPEC | PPC_ISEL | PPC_POPCNTB \ + | PPC_ISEL | PPC_POPCNTB \ | PPC_STRING | PPC_FLOAT | PPC_FLOAT_EXT \ | PPC_FLOAT_FSQRT | PPC_FLOAT_FRES \ | PPC_FLOAT_FRSQRTE | PPC_FLOAT_FRSQRTES \ diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index e30e86fe9d..bf60529d37 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -749,54 +749,6 @@ static void register_G2_sprs(CPUPPCState *env) 0x00000000); } -/* SPR specific to PowerPC 602 implementation */ -static void register_602_sprs(CPUPPCState *env) -{ - /* ESA registers */ - /* XXX : not implemented */ - spr_register(env, SPR_SER, "SER", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); - /* XXX : not implemented */ - spr_register(env, SPR_SEBR, "SEBR", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); - /* XXX : not implemented */ - spr_register(env, SPR_ESASRR, "ESASRR", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); - /* Floating point status */ - /* XXX : not implemented */ - spr_register(env, SPR_SP, "SP", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); - /* XXX : not implemented */ - spr_register(env, SPR_LT, "LT", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); - /* Watchdog timer */ - /* XXX : not implemented */ - spr_register(env, SPR_TCR, "TCR", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); - /* Interrupt base */ - spr_register(env, SPR_IBR, "IBR", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); - /* XXX : not implemented */ - spr_register(env, SPR_IABR, "IABR", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); -} - /* SPR specific to PowerPC 601 implementation */ static void register_601_sprs(CPUPPCState *env) { @@ -2128,33 +2080,6 @@ static void init_excp_601(CPUPPCState *env) #endif } -static void init_excp_602(CPUPPCState *env) -{ -#if !defined(CONFIG_USER_ONLY) - /* XXX: exception prefix has a special behavior on 602 */ - env->excp_vectors[POWERPC_EXCP_RESET] = 0x00000100; - env->excp_vectors[POWERPC_EXCP_MCHECK] = 0x00000200; - env->excp_vectors[POWERPC_EXCP_DSI] = 0x00000300; - env->excp_vectors[POWERPC_EXCP_ISI] = 0x00000400; - env->excp_vectors[POWERPC_EXCP_EXTERNAL] = 0x00000500; - env->excp_vectors[POWERPC_EXCP_ALIGN] = 0x00000600; - env->excp_vectors[POWERPC_EXCP_PROGRAM] = 0x00000700; - env->excp_vectors[POWERPC_EXCP_FPU] = 0x00000800; - env->excp_vectors[POWERPC_EXCP_DECR] = 0x00000900; - env->excp_vectors[POWERPC_EXCP_SYSCALL] = 0x00000C00; - env->excp_vectors[POWERPC_EXCP_TRACE] = 0x00000D00; - env->excp_vectors[POWERPC_EXCP_IFTLB] = 0x00001000; - env->excp_vectors[POWERPC_EXCP_DLTLB] = 0x00001100; - env->excp_vectors[POWERPC_EXCP_DSTLB] = 0x00001200; - env->excp_vectors[POWERPC_EXCP_IABR] = 0x00001300; - env->excp_vectors[POWERPC_EXCP_SMI] = 0x00001400; - env->excp_vectors[POWERPC_EXCP_WDT] = 0x00001500; - env->excp_vectors[POWERPC_EXCP_EMUL] = 0x00001600; - /* Hardware reset vector */ - env->hreset_vector = 0x00000100UL; -#endif -} - static void init_excp_603(CPUPPCState *env) { #if !defined(CONFIG_USER_ONLY) @@ -2535,11 +2460,12 @@ POWERPC_FAMILY(405)(ObjectClass *oc, void *data) PPC_MEM_SYNC | PPC_MEM_EIEIO | PPC_40x_TLB | PPC_MEM_TLBIA | PPC_MEM_TLBSYNC | PPC_4xx_COMMON | PPC_405_MAC | PPC_40x_EXCP; - pcc->msr_mask = (1ull << MSR_POW) | + pcc->msr_mask = (1ull << MSR_WE) | (1ull << MSR_CE) | (1ull << MSR_EE) | (1ull << MSR_PR) | (1ull << MSR_FP) | + (1ull << MSR_ME) | (1ull << MSR_DWE) | (1ull << MSR_DE) | (1ull << MSR_IR) | @@ -4080,76 +4006,6 @@ POWERPC_FAMILY(601v)(ObjectClass *oc, void *data) pcc->flags = POWERPC_FLAG_SE | POWERPC_FLAG_RTC_CLK | POWERPC_FLAG_HID0_LE; } -static void init_proc_602(CPUPPCState *env) -{ - register_ne_601_sprs(env); - register_sdr1_sprs(env); - register_602_sprs(env); - /* Time base */ - register_tbl(env); - /* hardware implementation registers */ - /* XXX : not implemented */ - spr_register(env, SPR_HID0, "HID0", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); - /* XXX : not implemented */ - spr_register(env, SPR_HID1, "HID1", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); - /* Memory management */ - register_low_BATs(env); - register_6xx_7xx_soft_tlb(env, 64, 2); - init_excp_602(env); - env->dcache_line_size = 32; - env->icache_line_size = 32; - /* Allocate hardware IRQ controller */ - ppc6xx_irq_init(env_archcpu(env)); -} - -POWERPC_FAMILY(602)(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc); - - dc->desc = "PowerPC 602"; - pcc->init_proc = init_proc_602; - pcc->check_pow = check_pow_hid0; - pcc->insns_flags = PPC_INSNS_BASE | PPC_STRING | PPC_MFTB | - PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES | - PPC_FLOAT_FRSQRTE | PPC_FLOAT_STFIWX | - PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ | - PPC_MEM_SYNC | PPC_MEM_EIEIO | - PPC_MEM_TLBIE | PPC_6xx_TLB | PPC_MEM_TLBSYNC | - PPC_SEGMENT | PPC_602_SPEC; - pcc->msr_mask = (1ull << MSR_VSX) | - (1ull << MSR_SA) | - (1ull << MSR_POW) | - (1ull << MSR_TGPR) | - (1ull << MSR_ILE) | - (1ull << MSR_EE) | - (1ull << MSR_PR) | - (1ull << MSR_FP) | - (1ull << MSR_ME) | - (1ull << MSR_FE0) | - (1ull << MSR_SE) | - (1ull << MSR_DE) | - (1ull << MSR_FE1) | - (1ull << MSR_EP) | - (1ull << MSR_IR) | - (1ull << MSR_DR) | - (1ull << MSR_RI) | - (1ull << MSR_LE); - /* XXX: 602 MMU is quite specific. Should add a special case */ - pcc->mmu_model = POWERPC_MMU_SOFT_6xx; - pcc->excp_model = POWERPC_EXCP_602; - pcc->bus_model = PPC_FLAGS_INPUT_6xx; - pcc->bfd_mach = bfd_mach_ppc_602; - pcc->flags = POWERPC_FLAG_TGPR | POWERPC_FLAG_SE | - POWERPC_FLAG_BE | POWERPC_FLAG_BUS_CLK; -} - static void init_proc_603(CPUPPCState *env) { register_ne_601_sprs(env); @@ -8270,8 +8126,6 @@ static void ppc_cpu_reset(DeviceState *dev) msr = (target_ulong)0; msr |= (target_ulong)MSR_HVB; - msr |= (target_ulong)0 << MSR_AP; /* TO BE CHECKED */ - msr |= (target_ulong)0 << MSR_SA; /* TO BE CHECKED */ msr |= (target_ulong)1 << MSR_EP; #if defined(DO_SINGLE_STEP) && 0 /* Single step trace mode */ diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index bc646c67a0..c107953dec 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -392,6 +392,660 @@ static void powerpc_set_excp_state(PowerPCCPU *cpu, check_tlb_flush(env, false); } +static void powerpc_excp_40x(PowerPCCPU *cpu, int excp) +{ + CPUState *cs = CPU(cpu); + CPUPPCState *env = &cpu->env; + target_ulong msr, new_msr, vector; + int srr0, srr1; + + if (excp <= POWERPC_EXCP_NONE || excp >= POWERPC_EXCP_NB) { + cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + } + + qemu_log_mask(CPU_LOG_INT, "Raise exception at " TARGET_FMT_lx + " => %s (%d) error=%02x\n", env->nip, powerpc_excp_name(excp), + excp, env->error_code); + + /* new srr1 value excluding must-be-zero bits */ + msr = env->msr & ~0x783f0000ULL; + + /* + * new interrupt handler msr preserves existing ME unless + * explicitly overriden. + */ + new_msr = env->msr & (((target_ulong)1 << MSR_ME)); + + /* target registers */ + srr0 = SPR_SRR0; + srr1 = SPR_SRR1; + + /* + * Hypervisor emulation assistance interrupt only exists on server + * arch 2.05 server or later. + */ + if (excp == POWERPC_EXCP_HV_EMU) { + excp = POWERPC_EXCP_PROGRAM; + } + + vector = env->excp_vectors[excp]; + if (vector == (target_ulong)-1ULL) { + cpu_abort(cs, "Raised an exception without defined vector %d\n", + excp); + } + + vector |= env->excp_prefix; + + switch (excp) { + case POWERPC_EXCP_CRITICAL: /* Critical input */ + srr0 = SPR_40x_SRR2; + srr1 = SPR_40x_SRR3; + break; + case POWERPC_EXCP_MCHECK: /* Machine check exception */ + if (msr_me == 0) { + /* + * Machine check exception is not enabled. Enter + * checkstop state. + */ + fprintf(stderr, "Machine check while not allowed. " + "Entering checkstop state\n"); + if (qemu_log_separate()) { + qemu_log("Machine check while not allowed. " + "Entering checkstop state\n"); + } + cs->halted = 1; + cpu_interrupt_exittb(cs); + } + + /* machine check exceptions don't have ME set */ + new_msr &= ~((target_ulong)1 << MSR_ME); + + srr0 = SPR_40x_SRR2; + srr1 = SPR_40x_SRR3; + break; + case POWERPC_EXCP_DSI: /* Data storage exception */ + trace_ppc_excp_dsi(env->spr[SPR_40x_ESR], env->spr[SPR_40x_DEAR]); + break; + case POWERPC_EXCP_ISI: /* Instruction storage exception */ + trace_ppc_excp_isi(msr, env->nip); + break; + case POWERPC_EXCP_EXTERNAL: /* External input */ + break; + case POWERPC_EXCP_ALIGN: /* Alignment exception */ + break; + case POWERPC_EXCP_PROGRAM: /* Program exception */ + switch (env->error_code & ~0xF) { + case POWERPC_EXCP_FP: + if ((msr_fe0 == 0 && msr_fe1 == 0) || msr_fp == 0) { + trace_ppc_excp_fp_ignore(); + cs->exception_index = POWERPC_EXCP_NONE; + env->error_code = 0; + return; + } + env->spr[SPR_40x_ESR] = ESR_FP; + break; + case POWERPC_EXCP_INVAL: + trace_ppc_excp_inval(env->nip); + env->spr[SPR_40x_ESR] = ESR_PIL; + break; + case POWERPC_EXCP_PRIV: + env->spr[SPR_40x_ESR] = ESR_PPR; + break; + case POWERPC_EXCP_TRAP: + env->spr[SPR_40x_ESR] = ESR_PTR; + break; + default: + cpu_abort(cs, "Invalid program exception %d. Aborting\n", + env->error_code); + break; + } + break; + case POWERPC_EXCP_SYSCALL: /* System call exception */ + dump_syscall(env); + + /* + * We need to correct the NIP which in this case is supposed + * to point to the next instruction + */ + env->nip += 4; + break; + case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ + trace_ppc_excp_print("FIT"); + break; + case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */ + trace_ppc_excp_print("WDT"); + break; + case POWERPC_EXCP_DTLB: /* Data TLB error */ + case POWERPC_EXCP_ITLB: /* Instruction TLB error */ + break; + case POWERPC_EXCP_PIT: /* Programmable interval timer interrupt */ + trace_ppc_excp_print("PIT"); + break; + case POWERPC_EXCP_DEBUG: /* Debug interrupt */ + cpu_abort(cs, "%s exception not implemented\n", + powerpc_excp_name(excp)); + break; + default: + cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + break; + } + + /* Sanity check */ + if (!(env->msr_mask & MSR_HVB)) { + if (new_msr & MSR_HVB) { + cpu_abort(cs, "Trying to deliver HV exception (MSR) %d with " + "no HV support\n", excp); + } + if (srr0 == SPR_HSRR0) { + cpu_abort(cs, "Trying to deliver HV exception (HSRR) %d with " + "no HV support\n", excp); + } + } + + /* Save PC */ + env->spr[srr0] = env->nip; + + /* Save MSR */ + env->spr[srr1] = msr; + + powerpc_set_excp_state(cpu, vector, new_msr); +} + +static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp) +{ + CPUState *cs = CPU(cpu); + CPUPPCState *env = &cpu->env; + target_ulong msr, new_msr, vector; + + if (excp <= POWERPC_EXCP_NONE || excp >= POWERPC_EXCP_NB) { + cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + } + + qemu_log_mask(CPU_LOG_INT, "Raise exception at " TARGET_FMT_lx + " => %s (%d) error=%02x\n", env->nip, powerpc_excp_name(excp), + excp, env->error_code); + + /* new srr1 value excluding must-be-zero bits */ + msr = env->msr & ~0x783f0000ULL; + + /* + * new interrupt handler msr preserves existing ME unless + * explicitly overriden + */ + new_msr = env->msr & ((target_ulong)1 << MSR_ME); + + /* + * Hypervisor emulation assistance interrupt only exists on server + * arch 2.05 server or later. + */ + if (excp == POWERPC_EXCP_HV_EMU) { + excp = POWERPC_EXCP_PROGRAM; + } + + vector = env->excp_vectors[excp]; + if (vector == (target_ulong)-1ULL) { + cpu_abort(cs, "Raised an exception without defined vector %d\n", + excp); + } + + vector |= env->excp_prefix; + + switch (excp) { + case POWERPC_EXCP_MCHECK: /* Machine check exception */ + if (msr_me == 0) { + /* + * Machine check exception is not enabled. Enter + * checkstop state. + */ + fprintf(stderr, "Machine check while not allowed. " + "Entering checkstop state\n"); + if (qemu_log_separate()) { + qemu_log("Machine check while not allowed. " + "Entering checkstop state\n"); + } + cs->halted = 1; + cpu_interrupt_exittb(cs); + } + + /* machine check exceptions don't have ME set */ + new_msr &= ~((target_ulong)1 << MSR_ME); + + break; + case POWERPC_EXCP_DSI: /* Data storage exception */ + trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]); + break; + case POWERPC_EXCP_ISI: /* Instruction storage exception */ + trace_ppc_excp_isi(msr, env->nip); + msr |= env->error_code; + break; + case POWERPC_EXCP_EXTERNAL: /* External input */ + break; + case POWERPC_EXCP_ALIGN: /* Alignment exception */ + /* Get rS/rD and rA from faulting opcode */ + /* + * Note: the opcode fields will not be set properly for a + * direct store load/store, but nobody cares as nobody + * actually uses direct store segments. + */ + env->spr[SPR_DSISR] |= (env->error_code & 0x03FF0000) >> 16; + break; + case POWERPC_EXCP_PROGRAM: /* Program exception */ + switch (env->error_code & ~0xF) { + case POWERPC_EXCP_FP: + if ((msr_fe0 == 0 && msr_fe1 == 0) || msr_fp == 0) { + trace_ppc_excp_fp_ignore(); + cs->exception_index = POWERPC_EXCP_NONE; + env->error_code = 0; + return; + } + + /* + * FP exceptions always have NIP pointing to the faulting + * instruction, so always use store_next and claim we are + * precise in the MSR. + */ + msr |= 0x00100000; + break; + case POWERPC_EXCP_INVAL: + trace_ppc_excp_inval(env->nip); + msr |= 0x00080000; + break; + case POWERPC_EXCP_PRIV: + msr |= 0x00040000; + break; + case POWERPC_EXCP_TRAP: + msr |= 0x00020000; + break; + default: + /* Should never occur */ + cpu_abort(cs, "Invalid program exception %d. Aborting\n", + env->error_code); + break; + } + break; + case POWERPC_EXCP_SYSCALL: /* System call exception */ + { + int lev = env->error_code; + + if ((lev == 1) && cpu->vhyp) { + dump_hcall(env); + } else { + dump_syscall(env); + } + + /* + * We need to correct the NIP which in this case is supposed + * to point to the next instruction + */ + env->nip += 4; + + /* + * The Virtual Open Firmware (VOF) relies on the 'sc 1' + * instruction to communicate with QEMU. The pegasos2 machine + * uses VOF and the 74xx CPUs, so although the 74xx don't have + * HV mode, we need to keep hypercall support. + */ + if ((lev == 1) && cpu->vhyp) { + PPCVirtualHypervisorClass *vhc = + PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp); + vhc->hypercall(cpu->vhyp, cpu); + return; + } + + break; + } + case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ + case POWERPC_EXCP_DECR: /* Decrementer exception */ + break; + case POWERPC_EXCP_RESET: /* System reset exception */ + if (msr_pow) { + cpu_abort(cs, "Trying to deliver power-saving system reset " + "exception %d with no HV support\n", excp); + } + break; + case POWERPC_EXCP_TRACE: /* Trace exception */ + break; + case POWERPC_EXCP_VPU: /* Vector unavailable exception */ + break; + case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ + case POWERPC_EXCP_SMI: /* System management interrupt */ + case POWERPC_EXCP_THERM: /* Thermal interrupt */ + case POWERPC_EXCP_PERFM: /* Embedded performance monitor interrupt */ + case POWERPC_EXCP_VPUA: /* Vector assist exception */ + cpu_abort(cs, "%s exception not implemented\n", + powerpc_excp_name(excp)); + break; + default: + cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + break; + } + + /* Sanity check */ + if (!(env->msr_mask & MSR_HVB)) { + if (new_msr & MSR_HVB) { + cpu_abort(cs, "Trying to deliver HV exception (MSR) %d with " + "no HV support\n", excp); + } + } + + /* + * Sort out endianness of interrupt, this differs depending on the + * CPU, the HV mode, etc... + */ + if (ppc_interrupts_little_endian(cpu, !!(new_msr & MSR_HVB))) { + new_msr |= (target_ulong)1 << MSR_LE; + } + + /* Save PC */ + env->spr[SPR_SRR0] = env->nip; + + /* Save MSR */ + env->spr[SPR_SRR1] = msr; + + powerpc_set_excp_state(cpu, vector, new_msr); +} + +#ifdef TARGET_PPC64 +static void powerpc_excp_books(PowerPCCPU *cpu, int excp) +{ + CPUState *cs = CPU(cpu); + CPUPPCState *env = &cpu->env; + int excp_model = env->excp_model; + target_ulong msr, new_msr, vector; + int srr0, srr1, lev = -1; + + if (excp <= POWERPC_EXCP_NONE || excp >= POWERPC_EXCP_NB) { + cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + } + + qemu_log_mask(CPU_LOG_INT, "Raise exception at " TARGET_FMT_lx + " => %s (%d) error=%02x\n", env->nip, powerpc_excp_name(excp), + excp, env->error_code); + + /* new srr1 value excluding must-be-zero bits */ + msr = env->msr & ~0x783f0000ULL; + + /* + * new interrupt handler msr preserves existing HV and ME unless + * explicitly overriden + */ + new_msr = env->msr & (((target_ulong)1 << MSR_ME) | MSR_HVB); + + /* target registers */ + srr0 = SPR_SRR0; + srr1 = SPR_SRR1; + + /* + * check for special resume at 0x100 from doze/nap/sleep/winkle on + * P7/P8/P9 + */ + if (env->resume_as_sreset) { + excp = powerpc_reset_wakeup(cs, env, excp, &msr); + } + + /* + * We don't want to generate a Hypervisor Emulation Assistance + * Interrupt if we don't have HVB in msr_mask (PAPR mode). + */ + if (excp == POWERPC_EXCP_HV_EMU && !(env->msr_mask & MSR_HVB)) { + excp = POWERPC_EXCP_PROGRAM; + } + + vector = env->excp_vectors[excp]; + if (vector == (target_ulong)-1ULL) { + cpu_abort(cs, "Raised an exception without defined vector %d\n", + excp); + } + + vector |= env->excp_prefix; + + switch (excp) { + case POWERPC_EXCP_MCHECK: /* Machine check exception */ + if (msr_me == 0) { + /* + * Machine check exception is not enabled. Enter + * checkstop state. + */ + fprintf(stderr, "Machine check while not allowed. " + "Entering checkstop state\n"); + if (qemu_log_separate()) { + qemu_log("Machine check while not allowed. " + "Entering checkstop state\n"); + } + cs->halted = 1; + cpu_interrupt_exittb(cs); + } + if (env->msr_mask & MSR_HVB) { + /* + * ISA specifies HV, but can be delivered to guest with HV + * clear (e.g., see FWNMI in PAPR). + */ + new_msr |= (target_ulong)MSR_HVB; + } + + /* machine check exceptions don't have ME set */ + new_msr &= ~((target_ulong)1 << MSR_ME); + + break; + case POWERPC_EXCP_DSI: /* Data storage exception */ + trace_ppc_excp_dsi(env->spr[SPR_DSISR], env->spr[SPR_DAR]); + break; + case POWERPC_EXCP_ISI: /* Instruction storage exception */ + trace_ppc_excp_isi(msr, env->nip); + msr |= env->error_code; + break; + case POWERPC_EXCP_EXTERNAL: /* External input */ + { + bool lpes0; + + /* + * LPES0 is only taken into consideration if we support HV + * mode for this CPU. + */ + if (!env->has_hv_mode) { + break; + } + + lpes0 = !!(env->spr[SPR_LPCR] & LPCR_LPES0); + + if (!lpes0) { + new_msr |= (target_ulong)MSR_HVB; + new_msr |= env->msr & ((target_ulong)1 << MSR_RI); + srr0 = SPR_HSRR0; + srr1 = SPR_HSRR1; + } + + break; + } + case POWERPC_EXCP_ALIGN: /* Alignment exception */ + /* Get rS/rD and rA from faulting opcode */ + /* + * Note: the opcode fields will not be set properly for a + * direct store load/store, but nobody cares as nobody + * actually uses direct store segments. + */ + env->spr[SPR_DSISR] |= (env->error_code & 0x03FF0000) >> 16; + break; + case POWERPC_EXCP_PROGRAM: /* Program exception */ + switch (env->error_code & ~0xF) { + case POWERPC_EXCP_FP: + if ((msr_fe0 == 0 && msr_fe1 == 0) || msr_fp == 0) { + trace_ppc_excp_fp_ignore(); + cs->exception_index = POWERPC_EXCP_NONE; + env->error_code = 0; + return; + } + + /* + * FP exceptions always have NIP pointing to the faulting + * instruction, so always use store_next and claim we are + * precise in the MSR. + */ + msr |= 0x00100000; + break; + case POWERPC_EXCP_INVAL: + trace_ppc_excp_inval(env->nip); + msr |= 0x00080000; + break; + case POWERPC_EXCP_PRIV: + msr |= 0x00040000; + break; + case POWERPC_EXCP_TRAP: + msr |= 0x00020000; + break; + default: + /* Should never occur */ + cpu_abort(cs, "Invalid program exception %d. Aborting\n", + env->error_code); + break; + } + break; + case POWERPC_EXCP_SYSCALL: /* System call exception */ + lev = env->error_code; + + if ((lev == 1) && cpu->vhyp) { + dump_hcall(env); + } else { + dump_syscall(env); + } + + /* + * We need to correct the NIP which in this case is supposed + * to point to the next instruction + */ + env->nip += 4; + + /* "PAPR mode" built-in hypercall emulation */ + if ((lev == 1) && cpu->vhyp) { + PPCVirtualHypervisorClass *vhc = + PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp); + vhc->hypercall(cpu->vhyp, cpu); + return; + } + if (lev == 1) { + new_msr |= (target_ulong)MSR_HVB; + } + break; + case POWERPC_EXCP_SYSCALL_VECTORED: /* scv exception */ + lev = env->error_code; + dump_syscall(env); + env->nip += 4; + new_msr |= env->msr & ((target_ulong)1 << MSR_EE); + new_msr |= env->msr & ((target_ulong)1 << MSR_RI); + + vector += lev * 0x20; + + env->lr = env->nip; + env->ctr = msr; + break; + case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ + case POWERPC_EXCP_DECR: /* Decrementer exception */ + break; + case POWERPC_EXCP_RESET: /* System reset exception */ + /* A power-saving exception sets ME, otherwise it is unchanged */ + if (msr_pow) { + /* indicate that we resumed from power save mode */ + msr |= 0x10000; + new_msr |= ((target_ulong)1 << MSR_ME); + } + if (env->msr_mask & MSR_HVB) { + /* + * ISA specifies HV, but can be delivered to guest with HV + * clear (e.g., see FWNMI in PAPR, NMI injection in QEMU). + */ + new_msr |= (target_ulong)MSR_HVB; + } else { + if (msr_pow) { + cpu_abort(cs, "Trying to deliver power-saving system reset " + "exception %d with no HV support\n", excp); + } + } + break; + case POWERPC_EXCP_DSEG: /* Data segment exception */ + case POWERPC_EXCP_ISEG: /* Instruction segment exception */ + case POWERPC_EXCP_TRACE: /* Trace exception */ + break; + case POWERPC_EXCP_HISI: /* Hypervisor instruction storage exception */ + msr |= env->error_code; + /* fall through */ + case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ + case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ + case POWERPC_EXCP_SDOOR_HV: /* Hypervisor Doorbell interrupt */ + case POWERPC_EXCP_HV_EMU: + case POWERPC_EXCP_HVIRT: /* Hypervisor virtualization */ + srr0 = SPR_HSRR0; + srr1 = SPR_HSRR1; + new_msr |= (target_ulong)MSR_HVB; + new_msr |= env->msr & ((target_ulong)1 << MSR_RI); + break; + case POWERPC_EXCP_VPU: /* Vector unavailable exception */ + case POWERPC_EXCP_VSXU: /* VSX unavailable exception */ + case POWERPC_EXCP_FU: /* Facility unavailable exception */ + env->spr[SPR_FSCR] |= ((target_ulong)env->error_code << 56); + break; + case POWERPC_EXCP_HV_FU: /* Hypervisor Facility Unavailable Exception */ + env->spr[SPR_HFSCR] |= ((target_ulong)env->error_code << FSCR_IC_POS); + srr0 = SPR_HSRR0; + srr1 = SPR_HSRR1; + new_msr |= (target_ulong)MSR_HVB; + new_msr |= env->msr & ((target_ulong)1 << MSR_RI); + break; + case POWERPC_EXCP_THERM: /* Thermal interrupt */ + case POWERPC_EXCP_PERFM: /* Embedded performance monitor interrupt */ + case POWERPC_EXCP_VPUA: /* Vector assist exception */ + case POWERPC_EXCP_MAINT: /* Maintenance exception */ + case POWERPC_EXCP_SDOOR: /* Doorbell interrupt */ + case POWERPC_EXCP_HV_MAINT: /* Hypervisor Maintenance exception */ + cpu_abort(cs, "%s exception not implemented\n", + powerpc_excp_name(excp)); + break; + default: + cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp); + break; + } + + /* Sanity check */ + if (!(env->msr_mask & MSR_HVB)) { + if (new_msr & MSR_HVB) { + cpu_abort(cs, "Trying to deliver HV exception (MSR) %d with " + "no HV support\n", excp); + } + if (srr0 == SPR_HSRR0) { + cpu_abort(cs, "Trying to deliver HV exception (HSRR) %d with " + "no HV support\n", excp); + } + } + + /* + * Sort out endianness of interrupt, this differs depending on the + * CPU, the HV mode, etc... + */ + if (ppc_interrupts_little_endian(cpu, !!(new_msr & MSR_HVB))) { + new_msr |= (target_ulong)1 << MSR_LE; + } + + new_msr |= (target_ulong)1 << MSR_SF; + + if (excp != POWERPC_EXCP_SYSCALL_VECTORED) { + /* Save PC */ + env->spr[srr0] = env->nip; + + /* Save MSR */ + env->spr[srr1] = msr; + } + + /* This can update new_msr and vector if AIL applies */ + ppc_excp_apply_ail(cpu, excp_model, excp, msr, &new_msr, &vector); + + powerpc_set_excp_state(cpu, vector, new_msr); +} +#else +static inline void powerpc_excp_books(PowerPCCPU *cpu, int excp) +{ + g_assert_not_reached(); +} +#endif + /* * Note that this function should be greatly optimized when called * with a constant excp, from ppc_hw_interrupt @@ -768,7 +1422,6 @@ static inline void powerpc_excp_legacy(PowerPCCPU *cpu, int excp) case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ switch (excp_model) { - case POWERPC_EXCP_602: case POWERPC_EXCP_603: case POWERPC_EXCP_G2: /* Swap temporary saved registers with GPRs */ @@ -872,6 +1525,19 @@ static void powerpc_excp(PowerPCCPU *cpu, int excp) CPUPPCState *env = &cpu->env; switch (env->excp_model) { + case POWERPC_EXCP_40x: + powerpc_excp_40x(cpu, excp); + break; + case POWERPC_EXCP_74xx: + powerpc_excp_74xx(cpu, excp); + break; + case POWERPC_EXCP_970: + case POWERPC_EXCP_POWER7: + case POWERPC_EXCP_POWER8: + case POWERPC_EXCP_POWER9: + case POWERPC_EXCP_POWER10: + powerpc_excp_books(cpu, excp); + break; default: powerpc_excp_legacy(cpu, excp); } @@ -1155,7 +1821,6 @@ void helper_pminsn(CPUPPCState *env, powerpc_pm_insn_t insn) (env->spr[SPR_PSSCR] & PSSCR_EC); } #endif /* defined(TARGET_PPC64) */ -#endif /* CONFIG_TCG */ static void do_rfi(CPUPPCState *env, target_ulong nip, target_ulong msr) { @@ -1164,6 +1829,10 @@ static void do_rfi(CPUPPCState *env, target_ulong nip, target_ulong msr) /* MSR:POW cannot be set by any form of rfi */ msr &= ~(1ULL << MSR_POW); + /* MSR:TGPR cannot be set by any form of rfi */ + if (env->flags & POWERPC_FLAG_TGPR) + msr &= ~(1ULL << MSR_TGPR); + #if defined(TARGET_PPC64) /* Switching to 32-bit ? Crop the nip */ if (!msr_is_64bit(env, msr)) { @@ -1188,7 +1857,6 @@ static void do_rfi(CPUPPCState *env, target_ulong nip, target_ulong msr) check_tlb_flush(env, false); } -#ifdef CONFIG_TCG void helper_rfi(CPUPPCState *env) { do_rfi(env, env->spr[SPR_SRR0], env->spr[SPR_SRR1] & 0xfffffffful); diff --git a/target/ppc/helper.h b/target/ppc/helper.h index d318837ea5..f2e5060910 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -646,7 +646,6 @@ DEF_HELPER_FLAGS_2(slbieg, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_FLAGS_2(load_sr, TCG_CALL_NO_RWG, tl, env, tl) DEF_HELPER_FLAGS_3(store_sr, TCG_CALL_NO_RWG, void, env, tl, tl) -DEF_HELPER_FLAGS_1(602_mfrom, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_1(msgsnd, void, tl) DEF_HELPER_2(msgclr, void, env, tl) DEF_HELPER_1(book3s_msgsnd, void, tl) @@ -707,6 +706,7 @@ DEF_HELPER_FLAGS_1(load_40x_pit, TCG_CALL_NO_RWG, tl, env) DEF_HELPER_FLAGS_2(store_40x_pit, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_FLAGS_2(store_40x_tcr, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_FLAGS_2(store_40x_tsr, TCG_CALL_NO_RWG, void, env, tl) +DEF_HELPER_2(store_40x_pid, void, env, tl) DEF_HELPER_2(store_40x_dbcr0, void, env, tl) DEF_HELPER_2(store_40x_sler, void, env, tl) DEF_HELPER_FLAGS_2(store_booke_tcr, TCG_CALL_NO_RWG, void, env, tl) diff --git a/target/ppc/helper_regs.c b/target/ppc/helper_regs.c index 8671b7bb69..5b12cb03c9 100644 --- a/target/ppc/helper_regs.c +++ b/target/ppc/helper_regs.c @@ -156,7 +156,8 @@ static uint32_t hreg_compute_hflags_value(CPUPPCState *env) */ unsigned immu_idx, dmmu_idx; dmmu_idx = msr & (1 << MSR_PR) ? 0 : 1; - if (env->mmu_model & POWERPC_MMU_BOOKE) { + if (env->mmu_model == POWERPC_MMU_BOOKE || + env->mmu_model == POWERPC_MMU_BOOKE206) { dmmu_idx |= msr & (1 << MSR_GS) ? 4 : 0; immu_idx = dmmu_idx; immu_idx |= msr & (1 << MSR_IS) ? 2 : 0; @@ -201,7 +202,11 @@ void cpu_get_tb_cpu_state(CPUPPCState *env, target_ulong *pc, void cpu_interrupt_exittb(CPUState *cs) { - if (!kvm_enabled()) { + /* + * We don't need to worry about translation blocks + * when running with KVM. + */ + if (kvm_enabled()) { return; } @@ -233,7 +238,8 @@ int hreg_store_msr(CPUPPCState *env, target_ulong value, int alter_hv) ((value >> MSR_DR) & 1) != msr_dr) { cpu_interrupt_exittb(cs); } - if ((env->mmu_model & POWERPC_MMU_BOOKE) && + if ((env->mmu_model == POWERPC_MMU_BOOKE || + env->mmu_model == POWERPC_MMU_BOOKE206) && ((value >> MSR_GS) & 1) != msr_gs) { cpu_interrupt_exittb(cs); } diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 9bc327bcba..d7765fd3e3 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -489,27 +489,6 @@ target_ulong helper_divso(CPUPPCState *env, target_ulong arg1, } /*****************************************************************************/ -/* 602 specific instructions */ -/* mfrom is the most crazy instruction ever seen, imho ! */ -/* Real implementation uses a ROM table. Do the same */ -/* - * Extremely decomposed: - * -arg / 256 - * return 256 * log10(10 + 1.0) + 0.5 - */ -#if !defined(CONFIG_USER_ONLY) -target_ulong helper_602_mfrom(target_ulong arg) -{ - if (likely(arg < 602)) { -#include "mfrom_table.c.inc" - return mfrom_ROM_table[arg]; - } else { - return 0; - } -} -#endif - -/*****************************************************************************/ /* Altivec extension helpers */ #if defined(HOST_WORDS_BIGENDIAN) #define VECTOR_FOR_INORDER_I(index, element) \ diff --git a/target/ppc/machine.c b/target/ppc/machine.c index 733a22d744..a503e00ddc 100644 --- a/target/ppc/machine.c +++ b/target/ppc/machine.c @@ -421,7 +421,6 @@ static const VMStateDescription vmstate_tm = { .name = "cpu/tm", .version_id = 1, .minimum_version_id = 1, - .minimum_version_id_old = 1, .needed = tm_needed, .fields = (VMStateField []) { VMSTATE_UINTTL_ARRAY(env.tm_gpr, PowerPCCPU, 32), @@ -672,7 +671,6 @@ const VMStateDescription vmstate_ppc_cpu = { .name = "cpu", .version_id = 5, .minimum_version_id = 5, - .minimum_version_id_old = 4, .pre_save = cpu_pre_save, .post_load = cpu_post_load, .fields = (VMStateField[]) { diff --git a/target/ppc/mfrom_table.c.inc b/target/ppc/mfrom_table.c.inc deleted file mode 100644 index 1653b974a4..0000000000 --- a/target/ppc/mfrom_table.c.inc +++ /dev/null @@ -1,78 +0,0 @@ -static const uint8_t mfrom_ROM_table[602] = { - 77, 77, 76, 76, 75, 75, 74, 74, - 73, 73, 72, 72, 71, 71, 70, 70, - 69, 69, 68, 68, 68, 67, 67, 66, - 66, 65, 65, 64, 64, 64, 63, 63, - 62, 62, 61, 61, 61, 60, 60, 59, - 59, 58, 58, 58, 57, 57, 56, 56, - 56, 55, 55, 54, 54, 54, 53, 53, - 53, 52, 52, 51, 51, 51, 50, 50, - 50, 49, 49, 49, 48, 48, 47, 47, - 47, 46, 46, 46, 45, 45, 45, 44, - 44, 44, 43, 43, 43, 42, 42, 42, - 42, 41, 41, 41, 40, 40, 40, 39, - 39, 39, 39, 38, 38, 38, 37, 37, - 37, 37, 36, 36, 36, 35, 35, 35, - 35, 34, 34, 34, 34, 33, 33, 33, - 33, 32, 32, 32, 32, 31, 31, 31, - 31, 30, 30, 30, 30, 29, 29, 29, - 29, 28, 28, 28, 28, 28, 27, 27, - 27, 27, 26, 26, 26, 26, 26, 25, - 25, 25, 25, 25, 24, 24, 24, 24, - 24, 23, 23, 23, 23, 23, 23, 22, - 22, 22, 22, 22, 21, 21, 21, 21, - 21, 21, 20, 20, 20, 20, 20, 20, - 19, 19, 19, 19, 19, 19, 19, 18, - 18, 18, 18, 18, 18, 17, 17, 17, - 17, 17, 17, 17, 16, 16, 16, 16, - 16, 16, 16, 16, 15, 15, 15, 15, - 15, 15, 15, 15, 14, 14, 14, 14, - 14, 14, 14, 14, 13, 13, 13, 13, - 13, 13, 13, 13, 13, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 11, - 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, - 7, 7, 7, 7, 7, 7, 7, 7, - 7, 7, 7, 7, 7, 7, 7, 7, - 7, 6, 6, 6, 6, 6, 6, 6, - 6, 6, 6, 6, 6, 6, 6, 6, - 6, 6, 6, 6, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 3, - 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 0, -}; diff --git a/target/ppc/mfrom_table_gen.c b/target/ppc/mfrom_table_gen.c deleted file mode 100644 index f96c4268ba..0000000000 --- a/target/ppc/mfrom_table_gen.c +++ /dev/null @@ -1,34 +0,0 @@ -#define _GNU_SOURCE -#include "qemu/osdep.h" -#include <math.h> - -int main(void) -{ - double d; - uint8_t n; - int i; - - printf("static const uint8_t mfrom_ROM_table[602] =\n{\n "); - for (i = 0; i < 602; i++) { - /* - * Extremely decomposed: - * -T0 / 256 - * T0 = 256 * log10(10 + 1.0) + 0.5 - */ - d = -i; - d /= 256.0; - d = exp10(d); - d += 1.0; - d = log10(d); - d *= 256; - d += 0.5; - n = d; - printf("%3d, ", n); - if ((i & 7) == 7) { - printf("\n "); - } - } - printf("\n};\n"); - - return 0; -} diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c index 91270c1f17..6512ee031c 100644 --- a/target/ppc/mmu_common.c +++ b/target/ppc/mmu_common.c @@ -1367,22 +1367,34 @@ static bool ppc_jumbo_xlate(PowerPCCPU *cpu, vaddr eaddr, case -2: /* Access rights violation */ cs->exception_index = POWERPC_EXCP_ISI; - env->error_code = 0x08000000; + if ((env->mmu_model == POWERPC_MMU_BOOKE) || + (env->mmu_model == POWERPC_MMU_BOOKE206)) { + env->error_code = 0; + } else { + env->error_code = 0x08000000; + } break; case -3: /* No execute protection violation */ if ((env->mmu_model == POWERPC_MMU_BOOKE) || (env->mmu_model == POWERPC_MMU_BOOKE206)) { env->spr[SPR_BOOKE_ESR] = 0x00000000; + env->error_code = 0; + } else { + env->error_code = 0x10000000; } cs->exception_index = POWERPC_EXCP_ISI; - env->error_code = 0x10000000; break; case -4: /* Direct store exception */ /* No code fetch is allowed in direct-store areas */ cs->exception_index = POWERPC_EXCP_ISI; - env->error_code = 0x10000000; + if ((env->mmu_model == POWERPC_MMU_BOOKE) || + (env->mmu_model == POWERPC_MMU_BOOKE206)) { + env->error_code = 0; + } else { + env->error_code = 0x10000000; + } break; } } else { diff --git a/target/ppc/mmu_helper.c b/target/ppc/mmu_helper.c index 59df6952ae..a2a52a12c3 100644 --- a/target/ppc/mmu_helper.c +++ b/target/ppc/mmu_helper.c @@ -664,6 +664,14 @@ static inline int booke_page_size_to_tlb(target_ulong page_size) #define PPC4XX_TLBLO_ATTR_MASK 0x000000FF #define PPC4XX_TLBLO_RPN_MASK 0xFFFFFC00 +void helper_store_40x_pid(CPUPPCState *env, target_ulong val) +{ + if (env->spr[SPR_40x_PID] != val) { + env->spr[SPR_40x_PID] = val; + env->tlb_need_flush |= TLB_NEED_LOCAL_FLUSH; + } +} + target_ulong helper_4xx_tlbre_hi(CPUPPCState *env, target_ulong entry) { ppcemb_tlb_t *tlb; @@ -681,7 +689,7 @@ target_ulong helper_4xx_tlbre_hi(CPUPPCState *env, target_ulong entry) size = PPC4XX_TLBHI_SIZE_DEFAULT; } ret |= size << PPC4XX_TLBHI_SIZE_SHIFT; - env->spr[SPR_40x_PID] = tlb->PID; + helper_store_40x_pid(env, tlb->PID); return ret; } @@ -794,6 +802,8 @@ void helper_4xx_tlbwe_lo(CPUPPCState *env, target_ulong entry, tlb->prot & PAGE_WRITE ? 'w' : '-', tlb->prot & PAGE_EXEC ? 'x' : '-', tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID); + + env->tlb_need_flush |= TLB_NEED_LOCAL_FLUSH; } target_ulong helper_4xx_tlbsx(CPUPPCState *env, target_ulong address) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 9d2adc0cae..c2f436f8d3 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -894,7 +894,7 @@ void spr_write_40x_pid(DisasContext *ctx, int sprn, int gprn) { TCGv t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0xFF); - gen_store_spr(SPR_40x_PID, t0); + gen_helper_store_40x_pid(cpu_env, t0); tcg_temp_free(t0); } @@ -6272,33 +6272,6 @@ static void gen_srq(DisasContext *ctx) } } -/* PowerPC 602 specific instructions */ - -/* dsa */ -static void gen_dsa(DisasContext *ctx) -{ - /* XXX: TODO */ - gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); -} - -/* esa */ -static void gen_esa(DisasContext *ctx) -{ - /* XXX: TODO */ - gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); -} - -/* mfrom */ -static void gen_mfrom(DisasContext *ctx) -{ -#if defined(CONFIG_USER_ONLY) - GEN_PRIV; -#else - CHK_SV; - gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); -#endif /* defined(CONFIG_USER_ONLY) */ -} - /* 602 - 603 - G2 TLB management */ /* tlbld */ @@ -7779,9 +7752,6 @@ GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR), GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR), GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR), GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR), -GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC), -GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC), -GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC), GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB), GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB), GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER), |