diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/hppa/cpu.h | 5 | ||||
| -rw-r--r-- | target/i386/tcg/decode-new.c.inc | 10 | ||||
| -rw-r--r-- | target/openrisc/interrupt.c | 7 | ||||
| -rw-r--r-- | target/ppc/excp_helper.c | 6 | ||||
| -rw-r--r-- | target/ppc/mmu-hash64.c | 72 | ||||
| -rw-r--r-- | target/ppc/mmu-hash64.h | 5 |
6 files changed, 79 insertions, 26 deletions
diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h index 9fe79b1242..75c5c0ccf7 100644 --- a/target/hppa/cpu.h +++ b/target/hppa/cpu.h @@ -168,6 +168,9 @@ typedef struct { } hppa_tlb_entry; typedef struct CPUArchState { + target_ureg iaoq_f; /* front */ + target_ureg iaoq_b; /* back, aka next instruction */ + target_ureg gr[32]; uint64_t fr[32]; uint64_t sr[8]; /* stored shifted into place for gva */ @@ -186,8 +189,6 @@ typedef struct CPUArchState { target_ureg psw_cb; /* in least significant bit of next nibble */ target_ureg psw_cb_msb; /* boolean */ - target_ureg iaoq_f; /* front */ - target_ureg iaoq_b; /* back, aka next instruction */ uint64_t iasq_f; uint64_t iasq_b; diff --git a/target/i386/tcg/decode-new.c.inc b/target/i386/tcg/decode-new.c.inc index 46afd9960b..8f93a239dd 100644 --- a/target/i386/tcg/decode-new.c.inc +++ b/target/i386/tcg/decode-new.c.inc @@ -1803,16 +1803,18 @@ static void disas_insn_new(DisasContext *s, CPUState *cpu, int b) } break; - case X86_SPECIAL_MMX: - if (!(s->prefix & (PREFIX_REPZ | PREFIX_REPNZ | PREFIX_DATA))) { - gen_helper_enter_mmx(cpu_env); - } + default: break; } if (!validate_vex(s, &decode)) { return; } + if (decode.e.special == X86_SPECIAL_MMX && + !(s->prefix & (PREFIX_REPZ | PREFIX_REPNZ | PREFIX_DATA))) { + gen_helper_enter_mmx(cpu_env); + } + if (decode.op[0].has_ea || decode.op[1].has_ea || decode.op[2].has_ea) { gen_load_ea(s, &decode.mem, decode.e.vex_class == 12); } diff --git a/target/openrisc/interrupt.c b/target/openrisc/interrupt.c index 3887812810..d4fdb8ce8e 100644 --- a/target/openrisc/interrupt.c +++ b/target/openrisc/interrupt.c @@ -34,9 +34,7 @@ void openrisc_cpu_do_interrupt(CPUState *cs) int exception = cs->exception_index; env->epcr = env->pc; - if (exception == EXCP_SYSCALL) { - env->epcr += 4; - } + /* When we have an illegal instruction the error effective address shall be set to the illegal instruction address. */ if (exception == EXCP_ILLEGAL) { @@ -63,6 +61,9 @@ void openrisc_cpu_do_interrupt(CPUState *cs) env->epcr -= 4; } else { env->sr &= ~SR_DSX; + if (exception == EXCP_SYSCALL || exception == EXCP_FPE) { + env->epcr += 4; + } } if (exception > 0 && exception < EXCP_NR) { diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 003805b202..9aa8e46566 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -2685,6 +2685,12 @@ void helper_pminsn(CPUPPCState *env, uint32_t insn) env->resume_as_sreset = (insn != PPC_PM_STOP) || (env->spr[SPR_PSSCR] & PSSCR_EC); + /* HDECR is not to wake from PM state, it may have already fired */ + if (env->resume_as_sreset) { + PowerPCCPU *cpu = env_archcpu(env); + ppc_set_irq(cpu, PPC_INTERRUPT_HDECR, 0); + } + ppc_maybe_interrupt(env); } #endif /* defined(TARGET_PPC64) */ diff --git a/target/ppc/mmu-hash64.c b/target/ppc/mmu-hash64.c index 900f906990..d645c0bb94 100644 --- a/target/ppc/mmu-hash64.c +++ b/target/ppc/mmu-hash64.c @@ -770,7 +770,8 @@ static bool ppc_hash64_use_vrma(CPUPPCState *env) } } -static void ppc_hash64_set_isi(CPUState *cs, int mmu_idx, uint64_t error_code) +static void ppc_hash64_set_isi(CPUState *cs, int mmu_idx, uint64_t slb_vsid, + uint64_t error_code) { CPUPPCState *env = &POWERPC_CPU(cs)->env; bool vpm; @@ -782,13 +783,15 @@ static void ppc_hash64_set_isi(CPUState *cs, int mmu_idx, uint64_t error_code) } if (vpm && !mmuidx_hv(mmu_idx)) { cs->exception_index = POWERPC_EXCP_HISI; + env->spr[SPR_ASDR] = slb_vsid; } else { cs->exception_index = POWERPC_EXCP_ISI; } env->error_code = error_code; } -static void ppc_hash64_set_dsi(CPUState *cs, int mmu_idx, uint64_t dar, uint64_t dsisr) +static void ppc_hash64_set_dsi(CPUState *cs, int mmu_idx, uint64_t slb_vsid, + uint64_t dar, uint64_t dsisr) { CPUPPCState *env = &POWERPC_CPU(cs)->env; bool vpm; @@ -802,6 +805,7 @@ static void ppc_hash64_set_dsi(CPUState *cs, int mmu_idx, uint64_t dar, uint64_t cs->exception_index = POWERPC_EXCP_HDSI; env->spr[SPR_HDAR] = dar; env->spr[SPR_HDSISR] = dsisr; + env->spr[SPR_ASDR] = slb_vsid; } else { cs->exception_index = POWERPC_EXCP_DSI; env->spr[SPR_DAR] = dar; @@ -870,12 +874,46 @@ static target_ulong rmls_limit(PowerPCCPU *cpu) return rma_sizes[rmls]; } -static int build_vrma_slbe(PowerPCCPU *cpu, ppc_slb_t *slb) +/* Return the LLP in SLB_VSID format */ +static uint64_t get_vrma_llp(PowerPCCPU *cpu) { CPUPPCState *env = &cpu->env; - target_ulong lpcr = env->spr[SPR_LPCR]; - uint32_t vrmasd = (lpcr & LPCR_VRMASD) >> LPCR_VRMASD_SHIFT; - target_ulong vsid = SLB_VSID_VRMA | ((vrmasd << 4) & SLB_VSID_LLP_MASK); + uint64_t llp; + + if (env->mmu_model == POWERPC_MMU_3_00) { + ppc_v3_pate_t pate; + uint64_t ps, l, lp; + + /* + * ISA v3.0 removes the LPCR[VRMASD] field and puts the VRMA base + * page size (L||LP equivalent) in the PS field in the HPT partition + * table entry. + */ + if (!ppc64_v3_get_pate(cpu, cpu->env.spr[SPR_LPIDR], &pate)) { + error_report("Bad VRMA with no partition table entry"); + return 0; + } + ps = PATE0_GET_PS(pate.dw0); + /* PS has L||LP in 3 consecutive bits, put them into SLB LLP format */ + l = (ps >> 2) & 0x1; + lp = ps & 0x3; + llp = (l << SLB_VSID_L_SHIFT) | (lp << SLB_VSID_LP_SHIFT); + + } else { + uint64_t lpcr = env->spr[SPR_LPCR]; + target_ulong vrmasd = (lpcr & LPCR_VRMASD) >> LPCR_VRMASD_SHIFT; + + /* VRMASD LLP matches SLB format, just shift and mask it */ + llp = (vrmasd << SLB_VSID_LP_SHIFT) & SLB_VSID_LLP_MASK; + } + + return llp; +} + +static int build_vrma_slbe(PowerPCCPU *cpu, ppc_slb_t *slb) +{ + uint64_t llp = get_vrma_llp(cpu); + target_ulong vsid = SLB_VSID_VRMA | llp; int i; for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { @@ -893,8 +931,7 @@ static int build_vrma_slbe(PowerPCCPU *cpu, ppc_slb_t *slb) } } - error_report("Bad page size encoding in LPCR[VRMASD]; LPCR=0x" - TARGET_FMT_lx, lpcr); + error_report("Bad VRMA page size encoding 0x" TARGET_FMT_lx, llp); return -1; } @@ -963,13 +1000,13 @@ bool ppc_hash64_xlate(PowerPCCPU *cpu, vaddr eaddr, MMUAccessType access_type, } switch (access_type) { case MMU_INST_FETCH: - ppc_hash64_set_isi(cs, mmu_idx, SRR1_PROTFAULT); + ppc_hash64_set_isi(cs, mmu_idx, 0, SRR1_PROTFAULT); break; case MMU_DATA_LOAD: - ppc_hash64_set_dsi(cs, mmu_idx, eaddr, DSISR_PROTFAULT); + ppc_hash64_set_dsi(cs, mmu_idx, 0, eaddr, DSISR_PROTFAULT); break; case MMU_DATA_STORE: - ppc_hash64_set_dsi(cs, mmu_idx, eaddr, + ppc_hash64_set_dsi(cs, mmu_idx, 0, eaddr, DSISR_PROTFAULT | DSISR_ISSTORE); break; default: @@ -1022,7 +1059,7 @@ bool ppc_hash64_xlate(PowerPCCPU *cpu, vaddr eaddr, MMUAccessType access_type, /* 3. Check for segment level no-execute violation */ if (access_type == MMU_INST_FETCH && (slb->vsid & SLB_VSID_N)) { if (guest_visible) { - ppc_hash64_set_isi(cs, mmu_idx, SRR1_NOEXEC_GUARD); + ppc_hash64_set_isi(cs, mmu_idx, slb->vsid, SRR1_NOEXEC_GUARD); } return false; } @@ -1035,13 +1072,14 @@ bool ppc_hash64_xlate(PowerPCCPU *cpu, vaddr eaddr, MMUAccessType access_type, } switch (access_type) { case MMU_INST_FETCH: - ppc_hash64_set_isi(cs, mmu_idx, SRR1_NOPTE); + ppc_hash64_set_isi(cs, mmu_idx, slb->vsid, SRR1_NOPTE); break; case MMU_DATA_LOAD: - ppc_hash64_set_dsi(cs, mmu_idx, eaddr, DSISR_NOPTE); + ppc_hash64_set_dsi(cs, mmu_idx, slb->vsid, eaddr, DSISR_NOPTE); break; case MMU_DATA_STORE: - ppc_hash64_set_dsi(cs, mmu_idx, eaddr, DSISR_NOPTE | DSISR_ISSTORE); + ppc_hash64_set_dsi(cs, mmu_idx, slb->vsid, eaddr, + DSISR_NOPTE | DSISR_ISSTORE); break; default: g_assert_not_reached(); @@ -1075,7 +1113,7 @@ bool ppc_hash64_xlate(PowerPCCPU *cpu, vaddr eaddr, MMUAccessType access_type, if (PAGE_EXEC & ~amr_prot) { srr1 |= SRR1_IAMR; /* Access violates virt pg class key prot */ } - ppc_hash64_set_isi(cs, mmu_idx, srr1); + ppc_hash64_set_isi(cs, mmu_idx, slb->vsid, srr1); } else { int dsisr = 0; if (need_prot & ~pp_prot) { @@ -1087,7 +1125,7 @@ bool ppc_hash64_xlate(PowerPCCPU *cpu, vaddr eaddr, MMUAccessType access_type, if (need_prot & ~amr_prot) { dsisr |= DSISR_AMR; } - ppc_hash64_set_dsi(cs, mmu_idx, eaddr, dsisr); + ppc_hash64_set_dsi(cs, mmu_idx, slb->vsid, eaddr, dsisr); } return false; } diff --git a/target/ppc/mmu-hash64.h b/target/ppc/mmu-hash64.h index 1496955d38..de653fcae5 100644 --- a/target/ppc/mmu-hash64.h +++ b/target/ppc/mmu-hash64.h @@ -41,8 +41,10 @@ void ppc_hash64_finalize(PowerPCCPU *cpu); #define SLB_VSID_KP 0x0000000000000400ULL #define SLB_VSID_N 0x0000000000000200ULL /* no-execute */ #define SLB_VSID_L 0x0000000000000100ULL +#define SLB_VSID_L_SHIFT PPC_BIT_NR(55) #define SLB_VSID_C 0x0000000000000080ULL /* class */ #define SLB_VSID_LP 0x0000000000000030ULL +#define SLB_VSID_LP_SHIFT PPC_BIT_NR(59) #define SLB_VSID_ATTR 0x0000000000000FFFULL #define SLB_VSID_LLP_MASK (SLB_VSID_L | SLB_VSID_LP) #define SLB_VSID_4K 0x0000000000000000ULL @@ -58,6 +60,9 @@ void ppc_hash64_finalize(PowerPCCPU *cpu); #define SDR_64_HTABSIZE 0x000000000000001FULL #define PATE0_HTABORG 0x0FFFFFFFFFFC0000ULL +#define PATE0_PS PPC_BITMASK(56, 58) +#define PATE0_GET_PS(dw0) (((dw0) & PATE0_PS) >> PPC_BIT_NR(58)) + #define HPTES_PER_GROUP 8 #define HASH_PTE_SIZE_64 16 #define HASH_PTEG_SIZE_64 (HASH_PTE_SIZE_64 * HPTES_PER_GROUP) |