diff options
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/helper.c | 394 |
1 files changed, 230 insertions, 164 deletions
diff --git a/target-ppc/helper.c b/target-ppc/helper.c index 3f7d8a464f..44f1cdd39f 100644 --- a/target-ppc/helper.c +++ b/target-ppc/helper.c @@ -1,5 +1,5 @@ /* - * PowerPC emulation helpers for qemu. + * PowerPC emulation helpers for QEMU. * * Copyright (c) 2003-2007 Jocelyn Mayer * @@ -73,8 +73,8 @@ void (*cpu_ppc_hypercall)(CPUPPCState *); /* PowerPC MMU emulation */ #if defined(CONFIG_USER_ONLY) -int cpu_ppc_handle_mmu_fault (CPUPPCState *env, target_ulong address, int rw, - int mmu_idx) +int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address, int rw, + int mmu_idx) { int exception, error_code; @@ -84,8 +84,9 @@ int cpu_ppc_handle_mmu_fault (CPUPPCState *env, target_ulong address, int rw, } else { exception = POWERPC_EXCP_DSI; error_code = 0x40000000; - if (rw) + if (rw) { error_code |= 0x02000000; + } env->spr[SPR_DAR] = address; env->spr[SPR_DSISR] = error_code; } @@ -160,8 +161,9 @@ static inline int pp_check(int key, int pp, int nx) break; } } - if (nx == 0) + if (nx == 0) { access |= PAGE_EXEC; + } return access; } @@ -171,27 +173,30 @@ static inline int check_prot(int prot, int rw, int access_type) int ret; if (access_type == ACCESS_CODE) { - if (prot & PAGE_EXEC) + if (prot & PAGE_EXEC) { ret = 0; - else + } else { ret = -2; + } } else if (rw) { - if (prot & PAGE_WRITE) + if (prot & PAGE_WRITE) { ret = 0; - else + } else { ret = -2; + } } else { - if (prot & PAGE_READ) + if (prot & PAGE_READ) { ret = 0; - else + } else { ret = -2; + } } return ret; } -static inline int _pte_check(mmu_ctx_t *ctx, int is_64b, target_ulong pte0, - target_ulong pte1, int h, int rw, int type) +static inline int pte_check(mmu_ctx_t *ctx, int is_64b, target_ulong pte0, + target_ulong pte1, int h, int rw, int type) { target_ulong ptem, mmask; int access, ret, pteh, ptev, pp; @@ -254,14 +259,14 @@ static inline int _pte_check(mmu_ctx_t *ctx, int is_64b, target_ulong pte0, static inline int pte32_check(mmu_ctx_t *ctx, target_ulong pte0, target_ulong pte1, int h, int rw, int type) { - return _pte_check(ctx, 0, pte0, pte1, h, rw, type); + return pte_check(ctx, 0, pte0, pte1, h, rw, type); } #if defined(TARGET_PPC64) static inline int pte64_check(mmu_ctx_t *ctx, target_ulong pte0, target_ulong pte1, int h, int rw, int type) { - return _pte_check(ctx, 1, pte0, pte1, h, rw, type); + return pte_check(ctx, 1, pte0, pte1, h, rw, type); } #endif @@ -291,8 +296,8 @@ static inline int pte_update_flags(mmu_ctx_t *ctx, target_ulong *pte1p, } /* Software driven TLB helpers */ -static inline int ppc6xx_tlb_getnum(CPUPPCState *env, target_ulong eaddr, int way, - int is_code) +static inline int ppc6xx_tlb_getnum(CPUPPCState *env, target_ulong eaddr, + int way, int is_code) { int nr; @@ -301,8 +306,9 @@ static inline int ppc6xx_tlb_getnum(CPUPPCState *env, target_ulong eaddr, int wa /* Select TLB way */ nr += env->tlb_per_way * way; /* 6xx have separate TLBs for instructions and data */ - if (is_code && env->id_tlbs == 1) + if (is_code && env->id_tlbs == 1) { nr += env->nb_tlb; + } return nr; } @@ -312,11 +318,12 @@ static inline void ppc6xx_tlb_invalidate_all(CPUPPCState *env) ppc6xx_tlb_t *tlb; int nr, max; - //LOG_SWTLB("Invalidate all TLBs\n"); + /* LOG_SWTLB("Invalidate all TLBs\n"); */ /* Invalidate all defined software TLB */ max = env->nb_tlb; - if (env->id_tlbs == 1) + if (env->id_tlbs == 1) { max *= 2; + } for (nr = 0; nr < max; nr++) { tlb = &env->tlb.tlb6[nr]; pte_invalidate(&tlb->pte0); @@ -324,9 +331,9 @@ static inline void ppc6xx_tlb_invalidate_all(CPUPPCState *env) tlb_flush(env, 1); } -static inline void __ppc6xx_tlb_invalidate_virt(CPUPPCState *env, - target_ulong eaddr, - int is_code, int match_epn) +static inline void ppc6xx_tlb_invalidate_virt2(CPUPPCState *env, + target_ulong eaddr, + int is_code, int match_epn) { #if !defined(FLUSH_ALL_TLBS) ppc6xx_tlb_t *tlb; @@ -352,11 +359,11 @@ static inline void __ppc6xx_tlb_invalidate_virt(CPUPPCState *env, static inline void ppc6xx_tlb_invalidate_virt(CPUPPCState *env, target_ulong eaddr, int is_code) { - __ppc6xx_tlb_invalidate_virt(env, eaddr, is_code, 0); + ppc6xx_tlb_invalidate_virt2(env, eaddr, is_code, 0); } -void ppc6xx_tlb_store (CPUPPCState *env, target_ulong EPN, int way, int is_code, - target_ulong pte0, target_ulong pte1) +void ppc6xx_tlb_store(CPUPPCState *env, target_ulong EPN, int way, int is_code, + target_ulong pte0, target_ulong pte1) { ppc6xx_tlb_t *tlb; int nr; @@ -366,7 +373,7 @@ void ppc6xx_tlb_store (CPUPPCState *env, target_ulong EPN, int way, int is_code, LOG_SWTLB("Set TLB %d/%d EPN " TARGET_FMT_lx " PTE0 " TARGET_FMT_lx " PTE1 " TARGET_FMT_lx "\n", nr, env->nb_tlb, EPN, pte0, pte1); /* Invalidate any pending reference in QEMU for this virtual address */ - __ppc6xx_tlb_invalidate_virt(env, EPN, is_code, 1); + ppc6xx_tlb_invalidate_virt2(env, EPN, is_code, 1); tlb->pte0 = pte0; tlb->pte1 = pte1; tlb->EPN = EPN; @@ -436,8 +443,8 @@ static inline int ppc6xx_tlb_check(CPUPPCState *env, mmu_ctx_t *ctx, } /* Perform BAT hit & translation */ -static inline void bat_size_prot(CPUPPCState *env, target_ulong *blp, int *validp, - int *protp, target_ulong *BATu, +static inline void bat_size_prot(CPUPPCState *env, target_ulong *blp, + int *validp, int *protp, target_ulong *BATu, target_ulong *BATl) { target_ulong bl; @@ -452,8 +459,9 @@ static inline void bat_size_prot(CPUPPCState *env, target_ulong *blp, int *valid pp = *BATl & 0x00000003; if (pp != 0) { prot = PAGE_READ | PAGE_EXEC; - if (pp == 0x2) + if (pp == 0x2) { prot |= PAGE_WRITE; + } } } *blp = bl; @@ -475,10 +483,11 @@ static inline void bat_601_size_prot(CPUPPCState *env, target_ulong *blp, valid = (*BATl >> 6) & 1; if (valid) { pp = *BATu & 0x00000003; - if (msr_pr == 0) + if (msr_pr == 0) { key = (*BATu >> 3) & 1; - else + } else { key = (*BATu >> 2) & 1; + } prot = pp_check(key, pp, 0); } *blp = bl; @@ -486,8 +495,8 @@ static inline void bat_601_size_prot(CPUPPCState *env, target_ulong *blp, *protp = prot; } -static inline int get_bat(CPUPPCState *env, mmu_ctx_t *ctx, target_ulong virtual, - int rw, int type) +static inline int get_bat(CPUPPCState *env, mmu_ctx_t *ctx, + target_ulong virtual, int rw, int type) { target_ulong *BATlt, *BATut, *BATu, *BATl; target_ulong BEPIl, BEPIu, bl; @@ -530,10 +539,11 @@ static inline int get_bat(CPUPPCState *env, mmu_ctx_t *ctx, target_ulong virtual /* Compute access rights */ ctx->prot = prot; ret = check_prot(ctx->prot, rw, type); - if (ret == 0) + if (ret == 0) { LOG_BATS("BAT %d match: r " TARGET_FMT_plx " prot=%c%c\n", i, ctx->raddr, ctx->prot & PAGE_READ ? 'R' : '-', ctx->prot & PAGE_WRITE ? 'W' : '-'); + } break; } } @@ -569,7 +579,7 @@ static inline target_phys_addr_t get_pteg_offset(CPUPPCState *env, } /* PTE table lookup */ -static inline int _find_pte(CPUPPCState *env, mmu_ctx_t *ctx, int is_64b, int h, +static inline int find_pte2(CPUPPCState *env, mmu_ctx_t *ctx, int is_64b, int h, int rw, int type, int target_page_bits) { target_phys_addr_t pteg_off; @@ -679,11 +689,12 @@ static inline int find_pte(CPUPPCState *env, mmu_ctx_t *ctx, int h, int rw, int type, int target_page_bits) { #if defined(TARGET_PPC64) - if (env->mmu_model & POWERPC_MMU_64) - return _find_pte(env, ctx, 1, h, rw, type, target_page_bits); + if (env->mmu_model & POWERPC_MMU_64) { + return find_pte2(env, ctx, 1, h, rw, type, target_page_bits); + } #endif - return _find_pte(env, ctx, 0, h, rw, type, target_page_bits); + return find_pte2(env, ctx, 0, h, rw, type, target_page_bits); } #if defined(TARGET_PPC64) @@ -716,7 +727,7 @@ static inline ppc_slb_t *slb_lookup(CPUPPCState *env, target_ulong eaddr) return NULL; } -void ppc_slb_invalidate_all (CPUPPCState *env) +void ppc_slb_invalidate_all(CPUPPCState *env) { int n, do_invalidate; @@ -734,11 +745,12 @@ void ppc_slb_invalidate_all (CPUPPCState *env) do_invalidate = 1; } } - if (do_invalidate) + if (do_invalidate) { tlb_flush(env, 1); + } } -void ppc_slb_invalidate_one (CPUPPCState *env, uint64_t T0) +void ppc_slb_invalidate_one(CPUPPCState *env, uint64_t T0) { ppc_slb_t *slb; @@ -758,7 +770,7 @@ void ppc_slb_invalidate_one (CPUPPCState *env, uint64_t T0) } } -int ppc_store_slb (CPUPPCState *env, target_ulong rb, target_ulong rs) +int ppc_store_slb(CPUPPCState *env, target_ulong rb, target_ulong rs) { int slot = rb & 0xfff; ppc_slb_t *slb = &env->slb[slot]; @@ -784,7 +796,7 @@ int ppc_store_slb (CPUPPCState *env, target_ulong rb, target_ulong rs) return 0; } -int ppc_load_slb_esid (CPUPPCState *env, target_ulong rb, target_ulong *rt) +int ppc_load_slb_esid(CPUPPCState *env, target_ulong rb, target_ulong *rt) { int slot = rb & 0xfff; ppc_slb_t *slb = &env->slb[slot]; @@ -797,7 +809,7 @@ int ppc_load_slb_esid (CPUPPCState *env, target_ulong rb, target_ulong *rt) return 0; } -int ppc_load_slb_vsid (CPUPPCState *env, target_ulong rb, target_ulong *rt) +int ppc_load_slb_vsid(CPUPPCState *env, target_ulong rb, target_ulong *rt) { int slot = rb & 0xfff; ppc_slb_t *slb = &env->slb[slot]; @@ -909,21 +921,24 @@ static inline int get_segment(CPUPPCState *env, mmu_ctx_t *ctx, ret = find_pte(env, ctx, 0, rw, type, target_page_bits); if (ret < 0) { /* Secondary table lookup */ - if (eaddr != 0xEFFFFFFF) + if (eaddr != 0xEFFFFFFF) { LOG_MMU("1 htab=" TARGET_FMT_plx "/" TARGET_FMT_plx " vsid=" TARGET_FMT_lx " api=" TARGET_FMT_lx " hash=" TARGET_FMT_plx "\n", env->htab_base, env->htab_mask, vsid, ctx->ptem, ctx->hash[1]); + } ret2 = find_pte(env, ctx, 1, rw, type, target_page_bits); - if (ret2 != -1) + if (ret2 != -1) { ret = ret2; + } } } -#if defined (DUMP_PAGE_TABLES) +#if defined(DUMP_PAGE_TABLES) if (qemu_log_enabled()) { target_phys_addr_t curaddr; uint32_t a0, a1, a2, a3; + qemu_log("Page table: " TARGET_FMT_plx " len " TARGET_FMT_plx "\n", sdr, mask + 0x80); for (curaddr = sdr; curaddr < (sdr + mask + 0x80); @@ -945,6 +960,7 @@ static inline int get_segment(CPUPPCState *env, mmu_ctx_t *ctx, } } else { target_ulong sr; + LOG_MMU("direct store...\n"); /* Direct-store segment : absolutely *BUGGY* for now */ @@ -1018,11 +1034,13 @@ int ppcemb_tlb_check(CPUPPCState *env, ppcemb_tlb_t *tlb, " " TARGET_FMT_lx " %u %x\n", __func__, i, address, pid, tlb->EPN, mask, (uint32_t)tlb->PID, tlb->prot); /* Check PID */ - if (tlb->PID != 0 && tlb->PID != pid) + if (tlb->PID != 0 && tlb->PID != pid) { return -1; + } /* Check effective address */ - if ((address & mask) != tlb->EPN) + if ((address & mask) != tlb->EPN) { return -1; + } *raddrp = (tlb->RPN & mask) | (address & ~mask); #if (TARGET_PHYS_ADDR_BITS >= 36) if (ext) { @@ -1035,7 +1053,7 @@ int ppcemb_tlb_check(CPUPPCState *env, ppcemb_tlb_t *tlb, } /* Generic TLB search function for PowerPC embedded implementations */ -int ppcemb_tlb_search (CPUPPCState *env, target_ulong address, uint32_t pid) +int ppcemb_tlb_search(CPUPPCState *env, target_ulong address, uint32_t pid) { ppcemb_tlb_t *tlb; target_phys_addr_t raddr; @@ -1080,8 +1098,9 @@ static inline void ppc4xx_tlb_invalidate_virt(CPUPPCState *env, tlb = &env->tlb.tlbe[i]; if (ppcemb_tlb_check(env, tlb, &raddr, eaddr, pid, 0, i) == 0) { end = tlb->EPN + tlb->size; - for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE) + for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE) { tlb_flush_page(env, page); + } tlb->prot &= ~PAGE_VALID; break; } @@ -1091,8 +1110,9 @@ static inline void ppc4xx_tlb_invalidate_virt(CPUPPCState *env, #endif } -static int mmu40x_get_physical_address (CPUPPCState *env, mmu_ctx_t *ctx, - target_ulong address, int rw, int access_type) +static int mmu40x_get_physical_address(CPUPPCState *env, mmu_ctx_t *ctx, + target_ulong address, int rw, + int access_type) { ppcemb_tlb_t *tlb; target_phys_addr_t raddr; @@ -1104,8 +1124,9 @@ static int mmu40x_get_physical_address (CPUPPCState *env, mmu_ctx_t *ctx, for (i = 0; i < env->nb_tlb; i++) { tlb = &env->tlb.tlbe[i]; if (ppcemb_tlb_check(env, tlb, &raddr, address, - env->spr[SPR_40x_PID], 0, i) < 0) + env->spr[SPR_40x_PID], 0, i) < 0) { continue; + } zsel = (tlb->attr >> 4) & 0xF; zpr = (env->spr[SPR_40x_ZPR] >> (30 - (2 * zsel))) & 0x3; LOG_SWTLB("%s: TLB %d zsel %d zpr %d rw %d attr %08x\n", @@ -1113,8 +1134,9 @@ static int mmu40x_get_physical_address (CPUPPCState *env, mmu_ctx_t *ctx, /* Check execute enable bit */ switch (zpr) { case 0x2: - if (pr != 0) + if (pr != 0) { goto check_perms; + } /* No break here */ case 0x3: /* All accesses granted */ @@ -1135,8 +1157,9 @@ static int mmu40x_get_physical_address (CPUPPCState *env, mmu_ctx_t *ctx, /* Check from TLB entry */ ctx->prot = tlb->prot; ret = check_prot(ctx->prot, rw, access_type); - if (ret == -2) + if (ret == -2) { env->spr[SPR_40x_ESR] = 0; + } break; } if (ret >= 0) { @@ -1153,7 +1176,7 @@ static int mmu40x_get_physical_address (CPUPPCState *env, mmu_ctx_t *ctx, return ret; } -void store_40x_sler (CPUPPCState *env, uint32_t val) +void store_40x_sler(CPUPPCState *env, uint32_t val) { /* XXX: TO BE FIXED */ if (val != 0x00000000) { @@ -1162,12 +1185,12 @@ void store_40x_sler (CPUPPCState *env, uint32_t val) env->spr[SPR_405_SLER] = val; } -static inline int mmubooke_check_tlb (CPUPPCState *env, ppcemb_tlb_t *tlb, - target_phys_addr_t *raddr, int *prot, - target_ulong address, int rw, - int access_type, int i) +static inline int mmubooke_check_tlb(CPUPPCState *env, ppcemb_tlb_t *tlb, + target_phys_addr_t *raddr, int *prot, + target_ulong address, int rw, + int access_type, int i) { - int ret, _prot; + int ret, prot2; if (ppcemb_tlb_check(env, tlb, raddr, address, env->spr[SPR_BOOKE_PID], @@ -1193,9 +1216,9 @@ static inline int mmubooke_check_tlb (CPUPPCState *env, ppcemb_tlb_t *tlb, found_tlb: if (msr_pr != 0) { - _prot = tlb->prot & 0xF; + prot2 = tlb->prot & 0xF; } else { - _prot = (tlb->prot >> 4) & 0xF; + prot2 = (tlb->prot >> 4) & 0xF; } /* Check the address space */ @@ -1205,13 +1228,13 @@ found_tlb: return -1; } - *prot = _prot; - if (_prot & PAGE_EXEC) { + *prot = prot2; + if (prot2 & PAGE_EXEC) { LOG_SWTLB("%s: good TLB!\n", __func__); return 0; } - LOG_SWTLB("%s: no PAGE_EXEC: %x\n", __func__, _prot); + LOG_SWTLB("%s: no PAGE_EXEC: %x\n", __func__, prot2); ret = -3; } else { if (msr_dr != (tlb->attr & 1)) { @@ -1219,22 +1242,22 @@ found_tlb: return -1; } - *prot = _prot; - if ((!rw && _prot & PAGE_READ) || (rw && (_prot & PAGE_WRITE))) { + *prot = prot2; + if ((!rw && prot2 & PAGE_READ) || (rw && (prot2 & PAGE_WRITE))) { LOG_SWTLB("%s: found TLB!\n", __func__); return 0; } - LOG_SWTLB("%s: PAGE_READ/WRITE doesn't match: %x\n", __func__, _prot); + LOG_SWTLB("%s: PAGE_READ/WRITE doesn't match: %x\n", __func__, prot2); ret = -2; } return ret; } -static int mmubooke_get_physical_address (CPUPPCState *env, mmu_ctx_t *ctx, - target_ulong address, int rw, - int access_type) +static int mmubooke_get_physical_address(CPUPPCState *env, mmu_ctx_t *ctx, + target_ulong address, int rw, + int access_type) { ppcemb_tlb_t *tlb; target_phys_addr_t raddr; @@ -1285,7 +1308,8 @@ void booke206_flush_tlb(CPUPPCState *env, int flags, const int check_iprot) tlb_flush(env, 1); } -target_phys_addr_t booke206_tlb_to_page_size(CPUPPCState *env, ppcmas_tlb_t *tlb) +target_phys_addr_t booke206_tlb_to_page_size(CPUPPCState *env, + ppcmas_tlb_t *tlb) { int tlbm_size; @@ -1337,7 +1361,7 @@ static int mmubooke206_check_tlb(CPUPPCState *env, ppcmas_tlb_t *tlb, int access_type) { int ret; - int _prot = 0; + int prot2 = 0; if (ppcmas_tlb_check(env, tlb, raddr, address, env->spr[SPR_BOOKE_PID]) >= 0) { @@ -1363,23 +1387,23 @@ found_tlb: if (msr_pr != 0) { if (tlb->mas7_3 & MAS3_UR) { - _prot |= PAGE_READ; + prot2 |= PAGE_READ; } if (tlb->mas7_3 & MAS3_UW) { - _prot |= PAGE_WRITE; + prot2 |= PAGE_WRITE; } if (tlb->mas7_3 & MAS3_UX) { - _prot |= PAGE_EXEC; + prot2 |= PAGE_EXEC; } } else { if (tlb->mas7_3 & MAS3_SR) { - _prot |= PAGE_READ; + prot2 |= PAGE_READ; } if (tlb->mas7_3 & MAS3_SW) { - _prot |= PAGE_WRITE; + prot2 |= PAGE_WRITE; } if (tlb->mas7_3 & MAS3_SX) { - _prot |= PAGE_EXEC; + prot2 |= PAGE_EXEC; } } @@ -1390,13 +1414,13 @@ found_tlb: return -1; } - *prot = _prot; - if (_prot & PAGE_EXEC) { + *prot = prot2; + if (prot2 & PAGE_EXEC) { LOG_SWTLB("%s: good TLB!\n", __func__); return 0; } - LOG_SWTLB("%s: no PAGE_EXEC: %x\n", __func__, _prot); + LOG_SWTLB("%s: no PAGE_EXEC: %x\n", __func__, prot2); ret = -3; } else { if (msr_dr != ((tlb->mas1 & MAS1_TS) >> MAS1_TS_SHIFT)) { @@ -1404,13 +1428,13 @@ found_tlb: return -1; } - *prot = _prot; - if ((!rw && _prot & PAGE_READ) || (rw && (_prot & PAGE_WRITE))) { + *prot = prot2; + if ((!rw && prot2 & PAGE_READ) || (rw && (prot2 & PAGE_WRITE))) { LOG_SWTLB("%s: found TLB!\n", __func__); return 0; } - LOG_SWTLB("%s: PAGE_READ/WRITE doesn't match: %x\n", __func__, _prot); + LOG_SWTLB("%s: PAGE_READ/WRITE doesn't match: %x\n", __func__, prot2); ret = -2; } @@ -1521,7 +1545,8 @@ static void mmubooke206_dump_one_tlb(FILE *f, fprintf_function cpu_fprintf, int i; cpu_fprintf(f, "\nTLB%d:\n", tlbn); - cpu_fprintf(f, "Effective Physical Size TID TS SRWX URWX WIMGE U0123\n"); + cpu_fprintf(f, "Effective Physical Size TID TS SRWX" + " URWX WIMGE U0123\n"); entry = &env->tlb.tlbm[offset]; for (i = 0; i < tlbsize; i++, entry++) { @@ -1537,7 +1562,8 @@ static void mmubooke206_dump_one_tlb(FILE *f, fprintf_function cpu_fprintf, ea = entry->mas2 & ~(size - 1); pa = entry->mas7_3 & ~(size - 1); - cpu_fprintf(f, "0x%016" PRIx64 " 0x%016" PRIx64 " %4s %-5u %1u S%c%c%c U%c%c%c %c%c%c%c%c U%c%c%c%c\n", + cpu_fprintf(f, "0x%016" PRIx64 " 0x%016" PRIx64 " %4s %-5u %1u S%c%c%c" + "U%c%c%c %c%c%c%c%c U%c%c%c%c\n", (uint64_t)ea, (uint64_t)pa, book3e_tsize_to_str[tsize], (entry->mas1 & MAS1_TID_MASK) >> MAS1_TID_SHIFT, @@ -1691,8 +1717,8 @@ static inline int check_physical(CPUPPCState *env, mmu_ctx_t *ctx, return ret; } -int get_physical_address (CPUPPCState *env, mmu_ctx_t *ctx, target_ulong eaddr, - int rw, int access_type) +int get_physical_address(CPUPPCState *env, mmu_ctx_t *ctx, target_ulong eaddr, + int rw, int access_type) { int ret; @@ -1721,8 +1747,9 @@ int get_physical_address (CPUPPCState *env, mmu_ctx_t *ctx, target_ulong eaddr, case POWERPC_MMU_SOFT_6xx: case POWERPC_MMU_SOFT_74xx: /* Try to find a BAT */ - if (env->nb_BATs != 0) + if (env->nb_BATs != 0) { ret = get_bat(env, ctx, eaddr, rw, access_type); + } #if defined(TARGET_PPC64) case POWERPC_MMU_620: case POWERPC_MMU_64B: @@ -1766,12 +1793,13 @@ int get_physical_address (CPUPPCState *env, mmu_ctx_t *ctx, target_ulong eaddr, return ret; } -target_phys_addr_t cpu_get_phys_page_debug (CPUPPCState *env, target_ulong addr) +target_phys_addr_t cpu_get_phys_page_debug(CPUPPCState *env, target_ulong addr) { mmu_ctx_t ctx; - if (unlikely(get_physical_address(env, &ctx, addr, 0, ACCESS_INT) != 0)) + if (unlikely(get_physical_address(env, &ctx, addr, 0, ACCESS_INT) != 0)) { return -1; + } return ctx.raddr & TARGET_PAGE_MASK; } @@ -1817,8 +1845,8 @@ static void booke206_update_mas_tlb_miss(CPUPPCState *env, target_ulong address, } /* Perform address translation */ -int cpu_ppc_handle_mmu_fault (CPUPPCState *env, target_ulong address, int rw, - int mmu_idx) +int cpu_ppc_handle_mmu_fault(CPUPPCState *env, target_ulong address, int rw, + int mmu_idx) { mmu_ctx_t ctx; int access_type; @@ -1966,10 +1994,11 @@ int cpu_ppc_handle_mmu_fault (CPUPPCState *env, target_ulong address, int rw, env->exception_index = POWERPC_EXCP_DTLB; env->error_code = 0; env->spr[SPR_40x_DEAR] = address; - if (rw) + if (rw) { env->spr[SPR_40x_ESR] = 0x00800000; - else + } else { env->spr[SPR_40x_ESR] = 0x00000000; + } break; case POWERPC_MMU_32B: case POWERPC_MMU_601: @@ -1981,10 +2010,11 @@ int cpu_ppc_handle_mmu_fault (CPUPPCState *env, target_ulong address, int rw, env->exception_index = POWERPC_EXCP_DSI; env->error_code = 0; env->spr[SPR_DAR] = address; - if (rw == 1) + if (rw == 1) { env->spr[SPR_DSISR] = 0x42000000; - else + } else { env->spr[SPR_DSISR] = 0x40000000; + } break; case POWERPC_MMU_MPC8xx: /* XXX: TODO */ @@ -2045,20 +2075,22 @@ int cpu_ppc_handle_mmu_fault (CPUPPCState *env, target_ulong address, int rw, env->exception_index = POWERPC_EXCP_DSI; env->error_code = 0; env->spr[SPR_DAR] = address; - if (rw == 1) + if (rw == 1) { env->spr[SPR_DSISR] = 0x06000000; - else + } else { env->spr[SPR_DSISR] = 0x04000000; + } break; case ACCESS_EXT: /* eciwx or ecowx */ env->exception_index = POWERPC_EXCP_DSI; env->error_code = 0; env->spr[SPR_DAR] = address; - if (rw == 1) + if (rw == 1) { env->spr[SPR_DSISR] = 0x06100000; - else + } else { env->spr[SPR_DSISR] = 0x04100000; + } break; default: printf("DSI: invalid exception (%d)\n", ret); @@ -2077,10 +2109,11 @@ int cpu_ppc_handle_mmu_fault (CPUPPCState *env, target_ulong address, int rw, env->error_code = 0; env->spr[SPR_DAR] = address; /* XXX: this might be incorrect */ - if (rw == 1) + if (rw == 1) { env->spr[SPR_DSISR] = 0x42000000; - else + } else { env->spr[SPR_DSISR] = 0x40000000; + } } else { env->exception_index = POWERPC_EXCP_DSEG; env->error_code = 0; @@ -2112,8 +2145,9 @@ static inline void do_invalidate_BAT(CPUPPCState *env, target_ulong BATu, end = base + mask + 0x00020000; LOG_BATS("Flush BAT from " TARGET_FMT_lx " to " TARGET_FMT_lx " (" TARGET_FMT_lx ")\n", base, end, mask); - for (page = base; page != end; page += TARGET_PAGE_SIZE) + for (page = base; page != end; page += TARGET_PAGE_SIZE) { tlb_flush_page(env, page); + } LOG_BATS("Flush done\n"); } #endif @@ -2125,7 +2159,7 @@ static inline void dump_store_bat(CPUPPCState *env, char ID, int ul, int nr, nr, ul == 0 ? 'u' : 'l', value, env->nip); } -void ppc_store_ibatu (CPUPPCState *env, int nr, target_ulong value) +void ppc_store_ibatu(CPUPPCState *env, int nr, target_ulong value) { target_ulong mask; @@ -2151,13 +2185,13 @@ void ppc_store_ibatu (CPUPPCState *env, int nr, target_ulong value) } } -void ppc_store_ibatl (CPUPPCState *env, int nr, target_ulong value) +void ppc_store_ibatl(CPUPPCState *env, int nr, target_ulong value) { dump_store_bat(env, 'I', 1, nr, value); env->IBAT[1][nr] = value; } -void ppc_store_dbatu (CPUPPCState *env, int nr, target_ulong value) +void ppc_store_dbatu(CPUPPCState *env, int nr, target_ulong value) { target_ulong mask; @@ -2183,13 +2217,13 @@ void ppc_store_dbatu (CPUPPCState *env, int nr, target_ulong value) } } -void ppc_store_dbatl (CPUPPCState *env, int nr, target_ulong value) +void ppc_store_dbatl(CPUPPCState *env, int nr, target_ulong value) { dump_store_bat(env, 'D', 1, nr, value); env->DBAT[1][nr] = value; } -void ppc_store_ibatu_601 (CPUPPCState *env, int nr, target_ulong value) +void ppc_store_ibatu_601(CPUPPCState *env, int nr, target_ulong value) { target_ulong mask; #if defined(FLUSH_ALL_TLBS) @@ -2224,13 +2258,14 @@ void ppc_store_ibatu_601 (CPUPPCState *env, int nr, target_ulong value) #endif } #if defined(FLUSH_ALL_TLBS) - if (do_inval) + if (do_inval) { tlb_flush(env, 1); + } #endif } } -void ppc_store_ibatl_601 (CPUPPCState *env, int nr, target_ulong value) +void ppc_store_ibatl_601(CPUPPCState *env, int nr, target_ulong value) { target_ulong mask; #if defined(FLUSH_ALL_TLBS) @@ -2261,15 +2296,16 @@ void ppc_store_ibatl_601 (CPUPPCState *env, int nr, target_ulong value) env->IBAT[1][nr] = value; env->DBAT[1][nr] = value; #if defined(FLUSH_ALL_TLBS) - if (do_inval) + if (do_inval) { tlb_flush(env, 1); + } #endif } } /*****************************************************************************/ /* TLB management */ -void ppc_tlb_invalidate_all (CPUPPCState *env) +void ppc_tlb_invalidate_all(CPUPPCState *env) { switch (env->mmu_model) { case POWERPC_MMU_SOFT_6xx: @@ -2309,7 +2345,7 @@ void ppc_tlb_invalidate_all (CPUPPCState *env) } } -void ppc_tlb_invalidate_one (CPUPPCState *env, target_ulong addr) +void ppc_tlb_invalidate_one(CPUPPCState *env, target_ulong addr) { #if !defined(FLUSH_ALL_TLBS) addr &= TARGET_PAGE_MASK; @@ -2317,8 +2353,9 @@ void ppc_tlb_invalidate_one (CPUPPCState *env, target_ulong addr) case POWERPC_MMU_SOFT_6xx: case POWERPC_MMU_SOFT_74xx: ppc6xx_tlb_invalidate_virt(env, addr, 0); - if (env->id_tlbs == 1) + if (env->id_tlbs == 1) { ppc6xx_tlb_invalidate_virt(env, addr, 1); + } break; case POWERPC_MMU_SOFT_4xx: case POWERPC_MMU_SOFT_4xx_Z: @@ -2388,7 +2425,7 @@ void ppc_tlb_invalidate_one (CPUPPCState *env, target_ulong addr) /*****************************************************************************/ /* Special registers manipulation */ #if defined(TARGET_PPC64) -void ppc_store_asr (CPUPPCState *env, target_ulong value) +void ppc_store_asr(CPUPPCState *env, target_ulong value) { if (env->asr != value) { env->asr = value; @@ -2397,7 +2434,7 @@ void ppc_store_asr (CPUPPCState *env, target_ulong value) } #endif -void ppc_store_sdr1 (CPUPPCState *env, target_ulong value) +void ppc_store_sdr1(CPUPPCState *env, target_ulong value) { LOG_MMU("%s: " TARGET_FMT_lx "\n", __func__, value); if (env->spr[SPR_SDR1] != value) { @@ -2425,14 +2462,14 @@ void ppc_store_sdr1 (CPUPPCState *env, target_ulong value) } #if defined(TARGET_PPC64) -target_ulong ppc_load_sr (CPUPPCState *env, int slb_nr) +target_ulong ppc_load_sr(CPUPPCState *env, int slb_nr) { - // XXX + /* XXX */ return 0; } #endif -void ppc_store_sr (CPUPPCState *env, int srnum, target_ulong value) +void ppc_store_sr(CPUPPCState *env, int srnum, target_ulong value) { LOG_MMU("%s: reg=%d " TARGET_FMT_lx " " TARGET_FMT_lx "\n", __func__, srnum, value, env->sr[srnum]); @@ -2465,37 +2502,38 @@ void ppc_store_sr (CPUPPCState *env, int srnum, target_ulong value) /* Invalidate 256 MB of virtual memory */ page = (16 << 20) * srnum; end = page + (16 << 20); - for (; page != end; page += TARGET_PAGE_SIZE) + for (; page != end; page += TARGET_PAGE_SIZE) { tlb_flush_page(env, page); + } } #else tlb_flush(env, 1); #endif } } -#endif /* !defined (CONFIG_USER_ONLY) */ +#endif /* !defined(CONFIG_USER_ONLY) */ /* GDBstub can read and write MSR... */ -void ppc_store_msr (CPUPPCState *env, target_ulong value) +void ppc_store_msr(CPUPPCState *env, target_ulong value) { hreg_store_msr(env, value, 0); } /*****************************************************************************/ /* Exception processing */ -#if defined (CONFIG_USER_ONLY) -void do_interrupt (CPUPPCState *env) +#if defined(CONFIG_USER_ONLY) +void do_interrupt(CPUPPCState *env) { env->exception_index = POWERPC_EXCP_NONE; env->error_code = 0; } -void ppc_hw_interrupt (CPUPPCState *env) +void ppc_hw_interrupt(CPUPPCState *env) { env->exception_index = POWERPC_EXCP_NONE; env->error_code = 0; } -#else /* defined (CONFIG_USER_ONLY) */ +#else /* defined(CONFIG_USER_ONLY) */ static inline void dump_syscall(CPUPPCState *env) { qemu_log_mask(CPU_LOG_INT, "syscall r0=%016" PRIx64 " r3=%016" PRIx64 @@ -2602,23 +2640,27 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) case POWERPC_EXCP_DSI: /* Data storage exception */ LOG_EXCP("DSI exception: DSISR=" TARGET_FMT_lx" DAR=" TARGET_FMT_lx "\n", env->spr[SPR_DSISR], env->spr[SPR_DAR]); - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } goto store_next; case POWERPC_EXCP_ISI: /* Instruction storage exception */ LOG_EXCP("ISI exception: msr=" TARGET_FMT_lx ", nip=" TARGET_FMT_lx "\n", msr, env->nip); - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } msr |= env->error_code; goto store_next; case POWERPC_EXCP_EXTERNAL: /* External input */ - if (lpes0 == 1) + if (lpes0 == 1) { new_msr |= (target_ulong)MSR_HVB; + } goto store_next; case POWERPC_EXCP_ALIGN: /* Alignment exception */ - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } /* XXX: this is false */ /* Get rS/rD and rA from faulting opcode */ env->spr[SPR_DSISR] |= (ldl_code((env->nip - 4)) & 0x03FF0000) >> 16; @@ -2632,29 +2674,34 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) env->error_code = 0; return; } - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } msr |= 0x00100000; - if (msr_fe0 == msr_fe1) + if (msr_fe0 == msr_fe1) { goto store_next; + } msr |= 0x00010000; break; case POWERPC_EXCP_INVAL: LOG_EXCP("Invalid instruction at " TARGET_FMT_lx "\n", env->nip); - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } msr |= 0x00080000; env->spr[SPR_BOOKE_ESR] = ESR_PIL; break; case POWERPC_EXCP_PRIV: - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } msr |= 0x00040000; env->spr[SPR_BOOKE_ESR] = ESR_PPR; break; case POWERPC_EXCP_TRAP: - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } msr |= 0x00020000; env->spr[SPR_BOOKE_ESR] = ESR_PTR; break; @@ -2666,8 +2713,9 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) } goto store_current; case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } goto store_current; case POWERPC_EXCP_SYSCALL: /* System call exception */ dump_syscall(env); @@ -2676,14 +2724,16 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) cpu_ppc_hypercall(env); return; } - if (lev == 1 || (lpes0 == 0 && lpes1 == 0)) + if (lev == 1 || (lpes0 == 0 && lpes1 == 0)) { new_msr |= (target_ulong)MSR_HVB; + } goto store_next; case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ goto store_current; case POWERPC_EXCP_DECR: /* Decrementer exception */ - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } goto store_next; case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ /* FIT on 4xx */ @@ -2758,12 +2808,14 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) } goto store_next; case POWERPC_EXCP_DSEG: /* Data segment exception */ - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } goto store_next; case POWERPC_EXCP_ISEG: /* Instruction segment exception */ - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } goto store_next; case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ srr0 = SPR_HSRR0; @@ -2772,8 +2824,9 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) new_msr |= env->msr & ((target_ulong)1 << MSR_RI); goto store_next; case POWERPC_EXCP_TRACE: /* Trace exception */ - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } goto store_next; case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ srr0 = SPR_HSRR0; @@ -2800,8 +2853,9 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) new_msr |= env->msr & ((target_ulong)1 << MSR_RI); goto store_next; case POWERPC_EXCP_VPU: /* Vector unavailable exception */ - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } goto store_current; case POWERPC_EXCP_PIT: /* Programmable interval timer interrupt */ LOG_EXCP("PIT exception\n"); @@ -2820,8 +2874,9 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) "is not implemented yet !\n"); goto store_next; case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */ - if (lpes1 == 0) /* XXX: check this */ + if (lpes1 == 0) { /* XXX: check this */ new_msr |= (target_ulong)MSR_HVB; + } switch (excp_model) { case POWERPC_EXCP_602: case POWERPC_EXCP_603: @@ -2838,8 +2893,9 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) } break; case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ - if (lpes1 == 0) /* XXX: check this */ + if (lpes1 == 0) { /* XXX: check this */ new_msr |= (target_ulong)MSR_HVB; + } switch (excp_model) { case POWERPC_EXCP_602: case POWERPC_EXCP_603: @@ -2856,8 +2912,9 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) } break; case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ - if (lpes1 == 0) /* XXX: check this */ + if (lpes1 == 0) { /* XXX: check this */ new_msr |= (target_ulong)MSR_HVB; + } switch (excp_model) { case POWERPC_EXCP_602: case POWERPC_EXCP_603: @@ -2872,21 +2929,23 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) goto tlb_miss; case POWERPC_EXCP_7x5: tlb_miss: -#if defined (DEBUG_SOFTWARE_TLB) +#if defined(DEBUG_SOFTWARE_TLB) if (qemu_log_enabled()) { const char *es; target_ulong *miss, *cmp; int en; + if (excp == POWERPC_EXCP_IFTLB) { es = "I"; en = 'I'; miss = &env->spr[SPR_IMISS]; cmp = &env->spr[SPR_ICMP]; } else { - if (excp == POWERPC_EXCP_DLTLB) + if (excp == POWERPC_EXCP_DLTLB) { es = "DL"; - else + } else { es = "DS"; + } en = 'D'; miss = &env->spr[SPR_DMISS]; cmp = &env->spr[SPR_DCMP]; @@ -2905,21 +2964,23 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) break; case POWERPC_EXCP_74xx: tlb_miss_74xx: -#if defined (DEBUG_SOFTWARE_TLB) +#if defined(DEBUG_SOFTWARE_TLB) if (qemu_log_enabled()) { const char *es; target_ulong *miss, *cmp; int en; + if (excp == POWERPC_EXCP_IFTLB) { es = "I"; en = 'I'; miss = &env->spr[SPR_TLBMISS]; cmp = &env->spr[SPR_PTEHI]; } else { - if (excp == POWERPC_EXCP_DLTLB) + if (excp == POWERPC_EXCP_DLTLB) { es = "DL"; - else + } else { es = "DS"; + } en = 'D'; miss = &env->spr[SPR_TLBMISS]; cmp = &env->spr[SPR_PTEHI]; @@ -2959,8 +3020,9 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) "is not implemented yet !\n"); goto store_next; case POWERPC_EXCP_PERFM: /* Embedded performance monitor interrupt */ - if (lpes1 == 0) + if (lpes1 == 0) { new_msr |= (target_ulong)MSR_HVB; + } /* XXX: TODO */ cpu_abort(env, "Performance counter exception is not implemented yet !\n"); @@ -3005,13 +3067,16 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) /* Save MSR */ env->spr[srr1] = msr; /* If any alternate SRR register are defined, duplicate saved values */ - if (asrr0 != -1) + if (asrr0 != -1) { env->spr[asrr0] = env->spr[srr0]; - if (asrr1 != -1) + } + if (asrr1 != -1) { env->spr[asrr1] = env->spr[srr1]; + } /* If we disactivated any translation, flush TLBs */ - if (msr & ((1 << MSR_IR) | (1 << MSR_DR))) + if (msr & ((1 << MSR_IR) | (1 << MSR_DR))) { tlb_flush(env, 1); + } if (msr_ile) { new_msr |= (target_ulong)1 << MSR_LE; @@ -3058,12 +3123,12 @@ static inline void powerpc_excp(CPUPPCState *env, int excp_model, int excp) } } -void do_interrupt (CPUPPCState *env) +void do_interrupt(CPUPPCState *env) { powerpc_excp(env, env->excp_model, env->exception_index); } -void ppc_hw_interrupt (CPUPPCState *env) +void ppc_hw_interrupt(CPUPPCState *env) { int hdice; @@ -3180,7 +3245,7 @@ void ppc_hw_interrupt (CPUPPCState *env) } #endif /* !CONFIG_USER_ONLY */ -void cpu_dump_rfi (target_ulong RA, target_ulong msr) +void cpu_dump_rfi(target_ulong RA, target_ulong msr) { qemu_log("Return from exception at " TARGET_FMT_lx " with flags " TARGET_FMT_lx "\n", RA, msr); @@ -3193,8 +3258,9 @@ PowerPCCPU *cpu_ppc_init(const char *cpu_model) const ppc_def_t *def; def = cpu_ppc_find_by_name(cpu_model); - if (!def) + if (!def) { return NULL; + } cpu = POWERPC_CPU(object_new(TYPE_POWERPC_CPU)); env = &cpu->env; |