diff options
author | 2016-06-03 03:33:22 +0000 | |
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committer | 2016-06-03 03:33:23 +0000 | |
commit | da27230f80795d0028333713f036d44c53cb0e68 (patch) | |
tree | b3d379eaf000adf72b36cb01cdf4d79c3e3f064c /qemu/target-ppc/mmu-hash32.c | |
parent | 0e68cb048bb8aadb14675f5d4286d8ab2fc35449 (diff) | |
parent | 437fd90c0250dee670290f9b714253671a990160 (diff) |
Merge "These changes are the raw update to qemu-2.6."
Diffstat (limited to 'qemu/target-ppc/mmu-hash32.c')
-rw-r--r-- | qemu/target-ppc/mmu-hash32.c | 82 |
1 files changed, 43 insertions, 39 deletions
diff --git a/qemu/target-ppc/mmu-hash32.c b/qemu/target-ppc/mmu-hash32.c index dfee358d6..39abb2fd3 100644 --- a/qemu/target-ppc/mmu-hash32.c +++ b/qemu/target-ppc/mmu-hash32.c @@ -18,23 +18,18 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include "cpu.h" #include "exec/helper-proto.h" #include "sysemu/kvm.h" #include "kvm_ppc.h" #include "mmu-hash32.h" +#include "exec/log.h" -//#define DEBUG_MMU //#define DEBUG_BAT -#ifdef DEBUG_MMU -# define LOG_MMU_STATE(cpu) log_cpu_state((cpu), 0) -#else -# define LOG_MMU_STATE(cpu) do { } while (0) -#endif - #ifdef DEBUG_BATS -# define LOG_BATS(...) qemu_log(__VA_ARGS__) +# define LOG_BATS(...) qemu_log_mask(CPU_LOG_MMU, __VA_ARGS__) #else # define LOG_BATS(...) do { } while (0) #endif @@ -90,9 +85,10 @@ static int ppc_hash32_pp_prot(int key, int pp, int nx) return prot; } -static int ppc_hash32_pte_prot(CPUPPCState *env, +static int ppc_hash32_pte_prot(PowerPCCPU *cpu, target_ulong sr, ppc_hash_pte32_t pte) { + CPUPPCState *env = &cpu->env; unsigned pp, key; key = !!(msr_pr ? (sr & SR32_KP) : (sr & SR32_KS)); @@ -101,9 +97,11 @@ static int ppc_hash32_pte_prot(CPUPPCState *env, return ppc_hash32_pp_prot(key, pp, !!(sr & SR32_NX)); } -static target_ulong hash32_bat_size(CPUPPCState *env, +static target_ulong hash32_bat_size(PowerPCCPU *cpu, target_ulong batu, target_ulong batl) { + CPUPPCState *env = &cpu->env; + if ((msr_pr && !(batu & BATU32_VP)) || (!msr_pr && !(batu & BATU32_VS))) { return 0; @@ -112,7 +110,7 @@ static target_ulong hash32_bat_size(CPUPPCState *env, return BATU32_BEPI & ~((batu & BATU32_BL) << 15); } -static int hash32_bat_prot(CPUPPCState *env, +static int hash32_bat_prot(PowerPCCPU *cpu, target_ulong batu, target_ulong batl) { int pp, prot; @@ -128,7 +126,7 @@ static int hash32_bat_prot(CPUPPCState *env, return prot; } -static target_ulong hash32_bat_601_size(CPUPPCState *env, +static target_ulong hash32_bat_601_size(PowerPCCPU *cpu, target_ulong batu, target_ulong batl) { if (!(batl & BATL32_601_V)) { @@ -138,9 +136,10 @@ static target_ulong hash32_bat_601_size(CPUPPCState *env, return BATU32_BEPI & ~((batl & BATL32_601_BL) << 17); } -static int hash32_bat_601_prot(CPUPPCState *env, +static int hash32_bat_601_prot(PowerPCCPU *cpu, target_ulong batu, target_ulong batl) { + CPUPPCState *env = &cpu->env; int key, pp; pp = batu & BATU32_601_PP; @@ -152,9 +151,10 @@ static int hash32_bat_601_prot(CPUPPCState *env, return ppc_hash32_pp_prot(key, pp, 0); } -static hwaddr ppc_hash32_bat_lookup(CPUPPCState *env, target_ulong ea, int rwx, +static hwaddr ppc_hash32_bat_lookup(PowerPCCPU *cpu, target_ulong ea, int rwx, int *prot) { + CPUPPCState *env = &cpu->env; target_ulong *BATlt, *BATut; int i; @@ -173,9 +173,9 @@ static hwaddr ppc_hash32_bat_lookup(CPUPPCState *env, target_ulong ea, int rwx, target_ulong mask; if (unlikely(env->mmu_model == POWERPC_MMU_601)) { - mask = hash32_bat_601_size(env, batu, batl); + mask = hash32_bat_601_size(cpu, batu, batl); } else { - mask = hash32_bat_size(env, batu, batl); + mask = hash32_bat_size(cpu, batu, batl); } LOG_BATS("%s: %cBAT%d v " TARGET_FMT_lx " BATu " TARGET_FMT_lx " BATl " TARGET_FMT_lx "\n", __func__, @@ -185,9 +185,9 @@ static hwaddr ppc_hash32_bat_lookup(CPUPPCState *env, target_ulong ea, int rwx, hwaddr raddr = (batl & mask) | (ea & ~mask); if (unlikely(env->mmu_model == POWERPC_MMU_601)) { - *prot = hash32_bat_601_prot(env, batu, batl); + *prot = hash32_bat_601_prot(cpu, batu, batl); } else { - *prot = hash32_bat_prot(env, batu, batl); + *prot = hash32_bat_prot(cpu, batu, batl); } return raddr & TARGET_PAGE_MASK; @@ -216,11 +216,12 @@ static hwaddr ppc_hash32_bat_lookup(CPUPPCState *env, target_ulong ea, int rwx, return -1; } -static int ppc_hash32_direct_store(CPUPPCState *env, target_ulong sr, +static int ppc_hash32_direct_store(PowerPCCPU *cpu, target_ulong sr, target_ulong eaddr, int rwx, hwaddr *raddr, int *prot) { - CPUState *cs = CPU(ppc_env_get_cpu(env)); + CPUState *cs = CPU(cpu); + CPUPPCState *env = &cpu->env; int key = !!(msr_pr ? (sr & SR32_KP) : (sr & SR32_KS)); qemu_log_mask(CPU_LOG_MMU, "direct store...\n"); @@ -281,9 +282,8 @@ static int ppc_hash32_direct_store(CPUPPCState *env, target_ulong sr, } return 1; default: - qemu_log("ERROR: instruction should not need " + cpu_abort(cs, "ERROR: instruction should not need " "address translation\n"); - abort(); } if ((rwx == 1 || key != 1) && (rwx == 0 || key != 0)) { *raddr = eaddr; @@ -301,12 +301,14 @@ static int ppc_hash32_direct_store(CPUPPCState *env, target_ulong sr, } } -hwaddr get_pteg_offset32(CPUPPCState *env, hwaddr hash) +hwaddr get_pteg_offset32(PowerPCCPU *cpu, hwaddr hash) { + CPUPPCState *env = &cpu->env; + return (hash * HASH_PTEG_SIZE_32) & env->htab_mask; } -static hwaddr ppc_hash32_pteg_search(CPUPPCState *env, hwaddr pteg_off, +static hwaddr ppc_hash32_pteg_search(PowerPCCPU *cpu, hwaddr pteg_off, bool secondary, target_ulong ptem, ppc_hash_pte32_t *pte) { @@ -315,8 +317,8 @@ static hwaddr ppc_hash32_pteg_search(CPUPPCState *env, hwaddr pteg_off, int i; for (i = 0; i < HPTES_PER_GROUP; i++) { - pte0 = ppc_hash32_load_hpte0(env, pte_offset); - pte1 = ppc_hash32_load_hpte1(env, pte_offset); + pte0 = ppc_hash32_load_hpte0(cpu, pte_offset); + pte1 = ppc_hash32_load_hpte1(cpu, pte_offset); if ((pte0 & HPTE32_V_VALID) && (secondary == !!(pte0 & HPTE32_V_SECONDARY)) @@ -332,10 +334,11 @@ static hwaddr ppc_hash32_pteg_search(CPUPPCState *env, hwaddr pteg_off, return -1; } -static hwaddr ppc_hash32_htab_lookup(CPUPPCState *env, +static hwaddr ppc_hash32_htab_lookup(PowerPCCPU *cpu, target_ulong sr, target_ulong eaddr, ppc_hash_pte32_t *pte) { + CPUPPCState *env = &cpu->env; hwaddr pteg_off, pte_offset; hwaddr hash; uint32_t vsid, pgidx, ptem; @@ -356,16 +359,16 @@ static hwaddr ppc_hash32_htab_lookup(CPUPPCState *env, " vsid=%" PRIx32 " ptem=%" PRIx32 " hash=" TARGET_FMT_plx "\n", env->htab_base, env->htab_mask, vsid, ptem, hash); - pteg_off = get_pteg_offset32(env, hash); - pte_offset = ppc_hash32_pteg_search(env, pteg_off, 0, ptem, pte); + pteg_off = get_pteg_offset32(cpu, hash); + pte_offset = ppc_hash32_pteg_search(cpu, pteg_off, 0, ptem, pte); if (pte_offset == -1) { /* Secondary PTEG lookup */ qemu_log_mask(CPU_LOG_MMU, "1 htab=" TARGET_FMT_plx "/" TARGET_FMT_plx " vsid=%" PRIx32 " api=%" PRIx32 " hash=" TARGET_FMT_plx "\n", env->htab_base, env->htab_mask, vsid, ptem, ~hash); - pteg_off = get_pteg_offset32(env, ~hash); - pte_offset = ppc_hash32_pteg_search(env, pteg_off, 1, ptem, pte); + pteg_off = get_pteg_offset32(cpu, ~hash); + pte_offset = ppc_hash32_pteg_search(cpu, pteg_off, 1, ptem, pte); } return pte_offset; @@ -407,7 +410,7 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, int rwx, /* 2. Check Block Address Translation entries (BATs) */ if (env->nb_BATs != 0) { - raddr = ppc_hash32_bat_lookup(env, eaddr, rwx, &prot); + raddr = ppc_hash32_bat_lookup(cpu, eaddr, rwx, &prot); if (raddr != -1) { if (need_prot[rwx] & ~prot) { if (rwx == 2) { @@ -438,7 +441,7 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, int rwx, /* 4. Handle direct store segments */ if (sr & SR32_T) { - if (ppc_hash32_direct_store(env, sr, eaddr, rwx, + if (ppc_hash32_direct_store(cpu, sr, eaddr, rwx, &raddr, &prot) == 0) { tlb_set_page(cs, eaddr & TARGET_PAGE_MASK, raddr & TARGET_PAGE_MASK, prot, mmu_idx, @@ -457,7 +460,7 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, int rwx, } /* 6. Locate the PTE in the hash table */ - pte_offset = ppc_hash32_htab_lookup(env, sr, eaddr, &pte); + pte_offset = ppc_hash32_htab_lookup(cpu, sr, eaddr, &pte); if (pte_offset == -1) { if (rwx == 2) { cs->exception_index = POWERPC_EXCP_ISI; @@ -480,7 +483,7 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, int rwx, /* 7. Check access permissions */ - prot = ppc_hash32_pte_prot(env, sr, pte); + prot = ppc_hash32_pte_prot(cpu, sr, pte); if (need_prot[rwx] & ~prot) { /* Access right violation */ @@ -515,7 +518,7 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, int rwx, } if (new_pte1 != pte.pte1) { - ppc_hash32_store_hpte1(env, pte_offset, new_pte1); + ppc_hash32_store_hpte1(cpu, pte_offset, new_pte1); } /* 9. Determine the real address from the PTE */ @@ -528,8 +531,9 @@ int ppc_hash32_handle_mmu_fault(PowerPCCPU *cpu, target_ulong eaddr, int rwx, return 0; } -hwaddr ppc_hash32_get_phys_page_debug(CPUPPCState *env, target_ulong eaddr) +hwaddr ppc_hash32_get_phys_page_debug(PowerPCCPU *cpu, target_ulong eaddr) { + CPUPPCState *env = &cpu->env; target_ulong sr; hwaddr pte_offset; ppc_hash_pte32_t pte; @@ -541,7 +545,7 @@ hwaddr ppc_hash32_get_phys_page_debug(CPUPPCState *env, target_ulong eaddr) } if (env->nb_BATs != 0) { - hwaddr raddr = ppc_hash32_bat_lookup(env, eaddr, 0, &prot); + hwaddr raddr = ppc_hash32_bat_lookup(cpu, eaddr, 0, &prot); if (raddr != -1) { return raddr; } @@ -554,7 +558,7 @@ hwaddr ppc_hash32_get_phys_page_debug(CPUPPCState *env, target_ulong eaddr) return -1; } - pte_offset = ppc_hash32_htab_lookup(env, sr, eaddr, &pte); + pte_offset = ppc_hash32_htab_lookup(cpu, sr, eaddr, &pte); if (pte_offset == -1) { return -1; } |