diff options
Diffstat (limited to 'target-ppc/mmu_helper.c')
| -rw-r--r-- | target-ppc/mmu_helper.c | 67 |
1 files changed, 12 insertions, 55 deletions
diff --git a/target-ppc/mmu_helper.c b/target-ppc/mmu_helper.c index 671ca5e83d..c7620c0c42 100644 --- a/target-ppc/mmu_helper.c +++ b/target-ppc/mmu_helper.c @@ -21,6 +21,7 @@ #include "sysemu/kvm.h" #include "kvm_ppc.h" #include "mmu-hash64.h" +#include "mmu-hash32.h" //#define DEBUG_MMU //#define DEBUG_BATS @@ -87,21 +88,10 @@ static inline void pte_invalidate(target_ulong *pte0) *pte0 &= ~0x80000000; } -#if defined(TARGET_PPC64) -static inline int pte64_is_valid(target_ulong pte0) -{ - return pte0 & 0x0000000000000001ULL ? 1 : 0; -} -#endif - #define PTE_PTEM_MASK 0x7FFFFFBF #define PTE_CHECK_MASK (TARGET_PAGE_MASK | 0x7B) -#if defined(TARGET_PPC64) -#define PTE64_PTEM_MASK 0xFFFFFFFFFFFFFF80ULL -#define PTE64_CHECK_MASK (TARGET_PAGE_MASK | 0x7F) -#endif -static inline int pp_check(int key, int pp, int nx) +int pp_check(int key, int pp, int nx) { int access; @@ -142,7 +132,7 @@ static inline int pp_check(int key, int pp, int nx) return access; } -static inline int check_prot(int prot, int rw, int access_type) +int check_prot(int prot, int rw, int access_type) { int ret; @@ -169,40 +159,21 @@ static inline int check_prot(int prot, int rw, int access_type) 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 ppc6xx_tlb_pte_check(mmu_ctx_t *ctx, target_ulong pte0, + target_ulong pte1, int h, int rw, int type) { target_ulong ptem, mmask; int access, ret, pteh, ptev, pp; ret = -1; /* Check validity and table match */ -#if defined(TARGET_PPC64) - if (is_64b) { - ptev = pte64_is_valid(pte0); - pteh = (pte0 >> 1) & 1; - } else -#endif - { - ptev = pte_is_valid(pte0); - pteh = (pte0 >> 6) & 1; - } + ptev = pte_is_valid(pte0); + pteh = (pte0 >> 6) & 1; if (ptev && h == pteh) { /* Check vsid & api */ -#if defined(TARGET_PPC64) - if (is_64b) { - ptem = pte0 & PTE64_PTEM_MASK; - mmask = PTE64_CHECK_MASK; - pp = (pte1 & 0x00000003) | ((pte1 >> 61) & 0x00000004); - ctx->nx = (pte1 >> 2) & 1; /* No execute bit */ - ctx->nx |= (pte1 >> 3) & 1; /* Guarded bit */ - } else -#endif - { - ptem = pte0 & PTE_PTEM_MASK; - mmask = PTE_CHECK_MASK; - pp = pte1 & 0x00000003; - } + ptem = pte0 & PTE_PTEM_MASK; + mmask = PTE_CHECK_MASK; + pp = pte1 & 0x00000003; if (ptem == ctx->ptem) { if (ctx->raddr != (hwaddr)-1ULL) { /* all matches should have equal RPN, WIMG & PP */ @@ -230,20 +201,6 @@ static inline int pte_check(mmu_ctx_t *ctx, int is_64b, target_ulong pte0, return ret; } -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); -} - -#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); -} -#endif - static inline int pte_update_flags(mmu_ctx_t *ctx, target_ulong *pte1p, int ret, int rw) { @@ -381,7 +338,7 @@ static inline int ppc6xx_tlb_check(CPUPPCState *env, mmu_ctx_t *ctx, pte_is_valid(tlb->pte0) ? "valid" : "inval", tlb->EPN, eaddr, tlb->pte1, rw ? 'S' : 'L', access_type == ACCESS_CODE ? 'I' : 'D'); - switch (pte32_check(ctx, tlb->pte0, tlb->pte1, 0, rw, access_type)) { + switch (ppc6xx_tlb_pte_check(ctx, tlb->pte0, tlb->pte1, 0, rw, access_type)) { case -3: /* TLB inconsistency */ return -1; @@ -590,7 +547,7 @@ static inline int find_pte2(CPUPPCState *env, mmu_ctx_t *ctx, int is_64b, int h, pte0 = ldl_phys(env->htab_base + pteg_off + (i * 8)); pte1 = ldl_phys(env->htab_base + pteg_off + (i * 8) + 4); } - r = pte32_check(ctx, pte0, pte1, h, rw, type); + r = pte_check_hash32(ctx, pte0, pte1, h, rw, type); LOG_MMU("Load pte from %08" HWADDR_PRIx " => " TARGET_FMT_lx " " TARGET_FMT_lx " %d %d %d " TARGET_FMT_lx "\n", pteg_off + (i * 8), pte0, pte1, (int)(pte0 >> 31), h, |