diff options
| -rw-r--r-- | target-ppc/cpu.h | 304 | ||||
| -rw-r--r-- | target-ppc/helper.c | 269 | ||||
| -rw-r--r-- | target-ppc/helper.h | 6 | ||||
| -rw-r--r-- | target-ppc/op_helper.c | 296 | ||||
| -rw-r--r-- | target-ppc/translate.c | 95 | ||||
| -rw-r--r-- | target-ppc/translate_init.c | 163 |
6 files changed, 1020 insertions, 113 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h index 2a7431caae..dd2f93fe44 100644 --- a/target-ppc/cpu.h +++ b/target-ppc/cpu.h @@ -108,8 +108,8 @@ enum powerpc_mmu_t { POWERPC_MMU_MPC8xx = 0x00000007, /* BookE MMU model */ POWERPC_MMU_BOOKE = 0x00000008, - /* BookE FSL MMU model */ - POWERPC_MMU_BOOKE_FSL = 0x00000009, + /* BookE 2.06 MMU model */ + POWERPC_MMU_BOOKE206 = 0x00000009, /* PowerPC 601 MMU model (specific BATs format) */ POWERPC_MMU_601 = 0x0000000A, #if defined(TARGET_PPC64) @@ -608,6 +608,224 @@ enum { #define vscr_sat (((env->vscr) >> VSCR_SAT) & 0x1) /*****************************************************************************/ +/* BookE e500 MMU registers */ + +#define MAS0_NV_SHIFT 0 +#define MAS0_NV_MASK (0xfff << MAS0_NV_SHIFT) + +#define MAS0_WQ_SHIFT 12 +#define MAS0_WQ_MASK (3 << MAS0_WQ_SHIFT) +/* Write TLB entry regardless of reservation */ +#define MAS0_WQ_ALWAYS (0 << MAS0_WQ_SHIFT) +/* Write TLB entry only already in use */ +#define MAS0_WQ_COND (1 << MAS0_WQ_SHIFT) +/* Clear TLB entry */ +#define MAS0_WQ_CLR_RSRV (2 << MAS0_WQ_SHIFT) + +#define MAS0_HES_SHIFT 14 +#define MAS0_HES (1 << MAS0_HES_SHIFT) + +#define MAS0_ESEL_SHIFT 16 +#define MAS0_ESEL_MASK (0xfff << MAS0_ESEL_SHIFT) + +#define MAS0_TLBSEL_SHIFT 28 +#define MAS0_TLBSEL_MASK (3 << MAS0_TLBSEL_SHIFT) +#define MAS0_TLBSEL_TLB0 (0 << MAS0_TLBSEL_SHIFT) +#define MAS0_TLBSEL_TLB1 (1 << MAS0_TLBSEL_SHIFT) +#define MAS0_TLBSEL_TLB2 (2 << MAS0_TLBSEL_SHIFT) +#define MAS0_TLBSEL_TLB3 (3 << MAS0_TLBSEL_SHIFT) + +#define MAS0_ATSEL_SHIFT 31 +#define MAS0_ATSEL (1 << MAS0_ATSEL_SHIFT) +#define MAS0_ATSEL_TLB 0 +#define MAS0_ATSEL_LRAT MAS0_ATSEL + +#define MAS1_TSIZE_SHIFT 8 +#define MAS1_TSIZE_MASK (0xf << MAS1_TSIZE_SHIFT) + +#define MAS1_TS_SHIFT 12 +#define MAS1_TS (1 << MAS1_TS_SHIFT) + +#define MAS1_IND_SHIFT 13 +#define MAS1_IND (1 << MAS1_IND_SHIFT) + +#define MAS1_TID_SHIFT 16 +#define MAS1_TID_MASK (0x3fff << MAS1_TID_SHIFT) + +#define MAS1_IPROT_SHIFT 30 +#define MAS1_IPROT (1 << MAS1_IPROT_SHIFT) + +#define MAS1_VALID_SHIFT 31 +#define MAS1_VALID 0x80000000 + +#define MAS2_EPN_SHIFT 12 +#define MAS2_EPN_MASK (0xfffff << MAS2_EPN_SHIFT) + +#define MAS2_ACM_SHIFT 6 +#define MAS2_ACM (1 << MAS2_ACM_SHIFT) + +#define MAS2_VLE_SHIFT 5 +#define MAS2_VLE (1 << MAS2_VLE_SHIFT) + +#define MAS2_W_SHIFT 4 +#define MAS2_W (1 << MAS2_W_SHIFT) + +#define MAS2_I_SHIFT 3 +#define MAS2_I (1 << MAS2_I_SHIFT) + +#define MAS2_M_SHIFT 2 +#define MAS2_M (1 << MAS2_M_SHIFT) + +#define MAS2_G_SHIFT 1 +#define MAS2_G (1 << MAS2_G_SHIFT) + +#define MAS2_E_SHIFT 0 +#define MAS2_E (1 << MAS2_E_SHIFT) + +#define MAS3_RPN_SHIFT 12 +#define MAS3_RPN_MASK (0xfffff << MAS3_RPN_SHIFT) + +#define MAS3_U0 0x00000200 +#define MAS3_U1 0x00000100 +#define MAS3_U2 0x00000080 +#define MAS3_U3 0x00000040 +#define MAS3_UX 0x00000020 +#define MAS3_SX 0x00000010 +#define MAS3_UW 0x00000008 +#define MAS3_SW 0x00000004 +#define MAS3_UR 0x00000002 +#define MAS3_SR 0x00000001 +#define MAS3_SPSIZE_SHIFT 1 +#define MAS3_SPSIZE_MASK (0x3e << MAS3_SPSIZE_SHIFT) + +#define MAS4_TLBSELD_SHIFT MAS0_TLBSEL_SHIFT +#define MAS4_TLBSELD_MASK MAS0_TLBSEL_MASK +#define MAS4_TIDSELD_MASK 0x00030000 +#define MAS4_TIDSELD_PID0 0x00000000 +#define MAS4_TIDSELD_PID1 0x00010000 +#define MAS4_TIDSELD_PID2 0x00020000 +#define MAS4_TIDSELD_PIDZ 0x00030000 +#define MAS4_INDD 0x00008000 /* Default IND */ +#define MAS4_TSIZED_SHIFT MAS1_TSIZE_SHIFT +#define MAS4_TSIZED_MASK MAS1_TSIZE_MASK +#define MAS4_ACMD 0x00000040 +#define MAS4_VLED 0x00000020 +#define MAS4_WD 0x00000010 +#define MAS4_ID 0x00000008 +#define MAS4_MD 0x00000004 +#define MAS4_GD 0x00000002 +#define MAS4_ED 0x00000001 +#define MAS4_WIMGED_MASK 0x0000001f /* Default WIMGE */ +#define MAS4_WIMGED_SHIFT 0 + +#define MAS5_SGS 0x80000000 +#define MAS5_SLPID_MASK 0x00000fff + +#define MAS6_SPID0 0x3fff0000 +#define MAS6_SPID1 0x00007ffe +#define MAS6_ISIZE(x) MAS1_TSIZE(x) +#define MAS6_SAS 0x00000001 +#define MAS6_SPID MAS6_SPID0 +#define MAS6_SIND 0x00000002 /* Indirect page */ +#define MAS6_SIND_SHIFT 1 +#define MAS6_SPID_MASK 0x3fff0000 +#define MAS6_SPID_SHIFT 16 +#define MAS6_ISIZE_MASK 0x00000f80 +#define MAS6_ISIZE_SHIFT 7 + +#define MAS7_RPN 0xffffffff + +#define MAS8_TGS 0x80000000 +#define MAS8_VF 0x40000000 +#define MAS8_TLBPID 0x00000fff + +/* Bit definitions for MMUCFG */ +#define MMUCFG_MAVN 0x00000003 /* MMU Architecture Version Number */ +#define MMUCFG_MAVN_V1 0x00000000 /* v1.0 */ +#define MMUCFG_MAVN_V2 0x00000001 /* v2.0 */ +#define MMUCFG_NTLBS 0x0000000c /* Number of TLBs */ +#define MMUCFG_PIDSIZE 0x000007c0 /* PID Reg Size */ +#define MMUCFG_TWC 0x00008000 /* TLB Write Conditional (v2.0) */ +#define MMUCFG_LRAT 0x00010000 /* LRAT Supported (v2.0) */ +#define MMUCFG_RASIZE 0x00fe0000 /* Real Addr Size */ +#define MMUCFG_LPIDSIZE 0x0f000000 /* LPID Reg Size */ + +/* Bit definitions for MMUCSR0 */ +#define MMUCSR0_TLB1FI 0x00000002 /* TLB1 Flash invalidate */ +#define MMUCSR0_TLB0FI 0x00000004 /* TLB0 Flash invalidate */ +#define MMUCSR0_TLB2FI 0x00000040 /* TLB2 Flash invalidate */ +#define MMUCSR0_TLB3FI 0x00000020 /* TLB3 Flash invalidate */ +#define MMUCSR0_TLBFI (MMUCSR0_TLB0FI | MMUCSR0_TLB1FI | \ + MMUCSR0_TLB2FI | MMUCSR0_TLB3FI) +#define MMUCSR0_TLB0PS 0x00000780 /* TLB0 Page Size */ +#define MMUCSR0_TLB1PS 0x00007800 /* TLB1 Page Size */ +#define MMUCSR0_TLB2PS 0x00078000 /* TLB2 Page Size */ +#define MMUCSR0_TLB3PS 0x00780000 /* TLB3 Page Size */ + +/* TLBnCFG encoding */ +#define TLBnCFG_N_ENTRY 0x00000fff /* number of entries */ +#define TLBnCFG_HES 0x00002000 /* HW select supported */ +#define TLBnCFG_AVAIL 0x00004000 /* variable page size */ +#define TLBnCFG_IPROT 0x00008000 /* IPROT supported */ +#define TLBnCFG_GTWE 0x00010000 /* Guest can write */ +#define TLBnCFG_IND 0x00020000 /* IND entries supported */ +#define TLBnCFG_PT 0x00040000 /* Can load from page table */ +#define TLBnCFG_MINSIZE 0x00f00000 /* Minimum Page Size (v1.0) */ +#define TLBnCFG_MINSIZE_SHIFT 20 +#define TLBnCFG_MAXSIZE 0x000f0000 /* Maximum Page Size (v1.0) */ +#define TLBnCFG_MAXSIZE_SHIFT 16 +#define TLBnCFG_ASSOC 0xff000000 /* Associativity */ +#define TLBnCFG_ASSOC_SHIFT 24 + +/* TLBnPS encoding */ +#define TLBnPS_4K 0x00000004 +#define TLBnPS_8K 0x00000008 +#define TLBnPS_16K 0x00000010 +#define TLBnPS_32K 0x00000020 +#define TLBnPS_64K 0x00000040 +#define TLBnPS_128K 0x00000080 +#define TLBnPS_256K 0x00000100 +#define TLBnPS_512K 0x00000200 +#define TLBnPS_1M 0x00000400 +#define TLBnPS_2M 0x00000800 +#define TLBnPS_4M 0x00001000 +#define TLBnPS_8M 0x00002000 +#define TLBnPS_16M 0x00004000 +#define TLBnPS_32M 0x00008000 +#define TLBnPS_64M 0x00010000 +#define TLBnPS_128M 0x00020000 +#define TLBnPS_256M 0x00040000 +#define TLBnPS_512M 0x00080000 +#define TLBnPS_1G 0x00100000 +#define TLBnPS_2G 0x00200000 +#define TLBnPS_4G 0x00400000 +#define TLBnPS_8G 0x00800000 +#define TLBnPS_16G 0x01000000 +#define TLBnPS_32G 0x02000000 +#define TLBnPS_64G 0x04000000 +#define TLBnPS_128G 0x08000000 +#define TLBnPS_256G 0x10000000 + +/* tlbilx action encoding */ +#define TLBILX_T_ALL 0 +#define TLBILX_T_TID 1 +#define TLBILX_T_FULLMATCH 3 +#define TLBILX_T_CLASS0 4 +#define TLBILX_T_CLASS1 5 +#define TLBILX_T_CLASS2 6 +#define TLBILX_T_CLASS3 7 + +/* BookE 2.06 helper defines */ + +#define BOOKE206_FLUSH_TLB0 (1 << 0) +#define BOOKE206_FLUSH_TLB1 (1 << 1) +#define BOOKE206_FLUSH_TLB2 (1 << 2) +#define BOOKE206_FLUSH_TLB3 (1 << 3) + +/* number of possible TLBs */ +#define BOOKE206_MAX_TLBN 4 + +/*****************************************************************************/ /* The whole PowerPC CPU context */ #define NB_MMU_MODES 3 @@ -678,7 +896,7 @@ struct CPUPPCState { int nb_BATs; target_ulong DBAT[2][8]; target_ulong IBAT[2][8]; - /* PowerPC TLB registers (for 4xx and 60x software driven TLBs) */ + /* PowerPC TLB registers (for 4xx, e500 and 60x software driven TLBs) */ int nb_tlb; /* Total number of TLB */ int tlb_per_way; /* Speed-up helper: used to avoid divisions at run time */ int nb_ways; /* Number of ways in the TLB set */ @@ -856,6 +1074,10 @@ void store_40x_dbcr0 (CPUPPCState *env, uint32_t val); void store_40x_sler (CPUPPCState *env, uint32_t val); void store_booke_tcr (CPUPPCState *env, target_ulong val); void store_booke_tsr (CPUPPCState *env, target_ulong val); +void booke206_flush_tlb(CPUState *env, int flags, const int check_iprot); +int ppcemb_tlb_check(CPUState *env, ppcemb_tlb_t *tlb, + target_phys_addr_t *raddrp, target_ulong address, + uint32_t pid, int ext, int i); void ppc_tlb_invalidate_all (CPUPPCState *env); void ppc_tlb_invalidate_one (CPUPPCState *env, target_ulong addr); #if defined(TARGET_PPC64) @@ -1547,6 +1769,11 @@ enum { PPC_DCRUX = 0x4000000000000000ULL, /* popcntw and popcntd instructions */ PPC_POPCNTWD = 0x8000000000000000ULL, + + /* extended type values */ + + /* BookE 2.06 PowerPC specification */ + PPC2_BOOKE206 = 0x0000000000000001ULL, }; /*****************************************************************************/ @@ -1699,6 +1926,77 @@ static inline void cpu_set_tls(CPUState *env, target_ulong newtls) #endif } +#if !defined(CONFIG_USER_ONLY) +static inline int booke206_tlbe_id(CPUState *env, ppcemb_tlb_t *tlbe) +{ + ulong tlbel = (ulong)tlbe; + ulong tlbl = (ulong)env->tlb; + + return (tlbel - tlbl) / sizeof(env->tlb[0]); +} + +static inline int booke206_tlb_size(CPUState *env, int tlbn) +{ + uint32_t tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn]; + int r = tlbncfg & TLBnCFG_N_ENTRY; + return r; +} + +static inline int booke206_tlb_ways(CPUState *env, int tlbn) +{ + uint32_t tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn]; + int r = tlbncfg >> TLBnCFG_ASSOC_SHIFT; + return r; +} + +static inline int booke206_tlbe_to_tlbn(CPUState *env, ppcemb_tlb_t *tlbe) +{ + int id = booke206_tlbe_id(env, tlbe); + int end = 0; + int i; + + for (i = 0; i < BOOKE206_MAX_TLBN; i++) { + end += booke206_tlb_size(env, i); + if (id < end) { + return i; + } + } + + cpu_abort(env, "Unknown TLBe: %d\n", id); + return 0; +} + +static inline int booke206_tlbe_to_way(CPUState *env, ppcemb_tlb_t *tlb) +{ + int tlbn = booke206_tlbe_to_tlbn(env, tlb); + int tlbid = booke206_tlbe_id(env, tlb); + return tlbid & (booke206_tlb_ways(env, tlbn) - 1); +} + +static inline ppcemb_tlb_t *booke206_get_tlbe(CPUState *env, const int tlbn, + target_ulong ea, int way) +{ + int r; + uint32_t ways = booke206_tlb_ways(env, tlbn); + int ways_bits = ffs(ways) - 1; + int tlb_bits = ffs(booke206_tlb_size(env, tlbn)) - 1; + int i; + + way &= ways - 1; + ea >>= MAS2_EPN_SHIFT; + ea &= (1 << (tlb_bits - ways_bits)) - 1; + r = (ea << ways_bits) | way; + + /* bump up to tlbn index */ + for (i = 0; i < tlbn; i++) { + r += booke206_tlb_size(env, i); + } + + return &env->tlb[r].tlbe; +} + +#endif + extern void (*cpu_ppc_hypercall)(CPUState *); #endif /* !defined (__CPU_PPC_H__) */ diff --git a/target-ppc/helper.c b/target-ppc/helper.c index 5e4030bb53..4238be6133 100644 --- a/target-ppc/helper.c +++ b/target-ppc/helper.c @@ -993,10 +993,10 @@ static inline int get_segment(CPUState *env, mmu_ctx_t *ctx, } /* Generic TLB check function for embedded PowerPC implementations */ -static inline int ppcemb_tlb_check(CPUState *env, ppcemb_tlb_t *tlb, - target_phys_addr_t *raddrp, - target_ulong address, uint32_t pid, int ext, - int i) +int ppcemb_tlb_check(CPUState *env, ppcemb_tlb_t *tlb, + target_phys_addr_t *raddrp, + target_ulong address, uint32_t pid, int ext, + int i) { target_ulong mask; @@ -1006,8 +1006,8 @@ static inline int ppcemb_tlb_check(CPUState *env, ppcemb_tlb_t *tlb, } mask = ~(tlb->size - 1); LOG_SWTLB("%s: TLB %d address " TARGET_FMT_lx " PID %u <=> " TARGET_FMT_lx - " " TARGET_FMT_lx " %u\n", __func__, i, address, pid, tlb->EPN, - mask, (uint32_t)tlb->PID); + " " 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) return -1; @@ -1153,48 +1153,164 @@ void store_40x_sler (CPUPPCState *env, uint32_t val) env->spr[SPR_405_SLER] = val; } +static inline int mmubooke_check_tlb (CPUState *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; + + if (ppcemb_tlb_check(env, tlb, raddr, address, + env->spr[SPR_BOOKE_PID], + !env->nb_pids, i) >= 0) { + goto found_tlb; + } + + if (env->spr[SPR_BOOKE_PID1] && + ppcemb_tlb_check(env, tlb, raddr, address, + env->spr[SPR_BOOKE_PID1], 0, i) >= 0) { + goto found_tlb; + } + + if (env->spr[SPR_BOOKE_PID2] && + ppcemb_tlb_check(env, tlb, raddr, address, + env->spr[SPR_BOOKE_PID2], 0, i) >= 0) { + goto found_tlb; + } + + LOG_SWTLB("%s: TLB entry not found\n", __func__); + return -1; + +found_tlb: + + if (msr_pr != 0) { + _prot = tlb->prot & 0xF; + } else { + _prot = (tlb->prot >> 4) & 0xF; + } + + /* Check the address space */ + if (access_type == ACCESS_CODE) { + if (msr_ir != (tlb->attr & 1)) { + LOG_SWTLB("%s: AS doesn't match\n", __func__); + return -1; + } + + *prot = _prot; + if (_prot & PAGE_EXEC) { + LOG_SWTLB("%s: good TLB!\n", __func__); + return 0; + } + + LOG_SWTLB("%s: no PAGE_EXEC: %x\n", __func__, _prot); + ret = -3; + } else { + if (msr_dr != (tlb->attr & 1)) { + LOG_SWTLB("%s: AS doesn't match\n", __func__); + return -1; + } + + *prot = _prot; + if ((!rw && _prot & PAGE_READ) || (rw && (_prot & PAGE_WRITE))) { + LOG_SWTLB("%s: found TLB!\n", __func__); + return 0; + } + + LOG_SWTLB("%s: PAGE_READ/WRITE doesn't match: %x\n", __func__, _prot); + ret = -2; + } + + return ret; +} + static int mmubooke_get_physical_address (CPUState *env, mmu_ctx_t *ctx, target_ulong address, int rw, int access_type) { ppcemb_tlb_t *tlb; target_phys_addr_t raddr; - int i, prot, ret; + int i, ret; ret = -1; raddr = (target_phys_addr_t)-1ULL; for (i = 0; i < env->nb_tlb; i++) { tlb = &env->tlb[i].tlbe; - if (ppcemb_tlb_check(env, tlb, &raddr, address, - env->spr[SPR_BOOKE_PID], 1, i) < 0) - continue; - if (msr_pr != 0) - prot = tlb->prot & 0xF; - else - prot = (tlb->prot >> 4) & 0xF; - /* Check the address space */ - if (access_type == ACCESS_CODE) { - if (msr_ir != (tlb->attr & 1)) - continue; - ctx->prot = prot; - if (prot & PAGE_EXEC) { - ret = 0; - break; + ret = mmubooke_check_tlb(env, tlb, &raddr, &ctx->prot, address, rw, + access_type, i); + if (!ret) { + break; + } + } + + if (ret >= 0) { + ctx->raddr = raddr; + LOG_SWTLB("%s: access granted " TARGET_FMT_lx " => " TARGET_FMT_plx + " %d %d\n", __func__, address, ctx->raddr, ctx->prot, + ret); + } else { + LOG_SWTLB("%s: access refused " TARGET_FMT_lx " => " TARGET_FMT_plx + " %d %d\n", __func__, address, raddr, ctx->prot, ret); + } + + return ret; +} + +void booke206_flush_tlb(CPUState *env, int flags, const int check_iprot) +{ + int tlb_size; + int i, j; + ppc_tlb_t *tlb = env->tlb; + + for (i = 0; i < BOOKE206_MAX_TLBN; i++) { + if (flags & (1 << i)) { + tlb_size = booke206_tlb_size(env, i); + for (j = 0; j < tlb_size; j++) { + if (!check_iprot || !(tlb[j].tlbe.attr & MAS1_IPROT)) { + tlb[j].tlbe.prot = 0; + } } - ret = -3; - } else { - if (msr_dr != (tlb->attr & 1)) - continue; - ctx->prot = prot; - if ((!rw && prot & PAGE_READ) || (rw && (prot & PAGE_WRITE))) { - ret = 0; - break; + } + tlb += booke206_tlb_size(env, i); + } + + tlb_flush(env, 1); +} + +static int mmubooke206_get_physical_address(CPUState *env, mmu_ctx_t *ctx, + target_ulong address, int rw, + int access_type) +{ + ppcemb_tlb_t *tlb; + target_phys_addr_t raddr; + int i, j, ret; + + ret = -1; + raddr = (target_phys_addr_t)-1ULL; + + for (i = 0; i < BOOKE206_MAX_TLBN; i++) { + int ways = booke206_tlb_ways(env, i); + + for (j = 0; j < ways; j++) { + tlb = booke206_get_tlbe(env, i, address, j); + ret = mmubooke_check_tlb(env, tlb, &raddr, &ctx->prot, address, rw, + access_type, j); + if (ret != -1) { + goto found_tlb; } - ret = -2; } } - if (ret >= 0) + +found_tlb: + + if (ret >= 0) { ctx->raddr = raddr; + LOG_SWTLB("%s: access granted " TARGET_FMT_lx " => " TARGET_FMT_plx + " %d %d\n", __func__, address, ctx->raddr, ctx->prot, + ret); + } else { + LOG_SWTLB("%s: access refused " TARGET_FMT_lx " => " TARGET_FMT_plx + " %d %d\n", __func__, address, raddr, ctx->prot, ret); + } return ret; } @@ -1254,9 +1370,8 @@ static inline int check_physical(CPUState *env, mmu_ctx_t *ctx, /* XXX: TODO */ cpu_abort(env, "MPC8xx MMU model is not implemented\n"); break; - case POWERPC_MMU_BOOKE_FSL: - /* XXX: TODO */ - cpu_abort(env, "BookE FSL MMU model not implemented\n"); + case POWERPC_MMU_BOOKE206: + cpu_abort(env, "BookE 2.06 MMU doesn't have physical real mode\n"); break; default: cpu_abort(env, "Unknown or invalid MMU model\n"); @@ -1281,6 +1396,9 @@ int get_physical_address (CPUState *env, mmu_ctx_t *ctx, target_ulong eaddr, IS and DS bits only affect the address space. */ ret = mmubooke_get_physical_address(env, ctx, eaddr, rw, access_type); + } else if (env->mmu_model == POWERPC_MMU_BOOKE206) { + ret = mmubooke206_get_physical_address(env, ctx, eaddr, rw, + access_type); } else { /* No address translation. */ ret = check_physical(env, ctx, eaddr, rw); @@ -1314,14 +1432,14 @@ int get_physical_address (CPUState *env, mmu_ctx_t *ctx, target_ulong eaddr, ret = mmubooke_get_physical_address(env, ctx, eaddr, rw, access_type); break; + case POWERPC_MMU_BOOKE206: + ret = mmubooke206_get_physical_address(env, ctx, eaddr, rw, + access_type); + break; case POWERPC_MMU_MPC8xx: /* XXX: TODO */ cpu_abort(env, "MPC8xx MMU model is not implemented\n"); break; - case POWERPC_MMU_BOOKE_FSL: - /* XXX: TODO */ - cpu_abort(env, "BookE FSL MMU model not implemented\n"); - return -1; case POWERPC_MMU_REAL: cpu_abort(env, "PowerPC in real mode do not do any translation\n"); return -1; @@ -1348,6 +1466,46 @@ target_phys_addr_t cpu_get_phys_page_debug (CPUState *env, target_ulong addr) return ctx.raddr & TARGET_PAGE_MASK; } +static void booke206_update_mas_tlb_miss(CPUState *env, target_ulong address, + int rw) +{ + env->spr[SPR_BOOKE_MAS0] = env->spr[SPR_BOOKE_MAS4] & MAS4_TLBSELD_MASK; + env->spr[SPR_BOOKE_MAS1] = env->spr[SPR_BOOKE_MAS4] & MAS4_TSIZED_MASK; + env->spr[SPR_BOOKE_MAS2] = env->spr[SPR_BOOKE_MAS4] & MAS4_WIMGED_MASK; + env->spr[SPR_BOOKE_MAS3] = 0; + env->spr[SPR_BOOKE_MAS6] = 0; + env->spr[SPR_BOOKE_MAS7] = 0; + + /* AS */ + if (((rw == 2) && msr_ir) || ((rw != 2) && msr_dr)) { + env->spr[SPR_BOOKE_MAS1] |= MAS1_TS; + env->spr[SPR_BOOKE_MAS6] |= MAS6_SAS; + } + + env->spr[SPR_BOOKE_MAS1] |= MAS1_VALID; + env->spr[SPR_BOOKE_MAS2] |= address & MAS2_EPN_MASK; + + switch (env->spr[SPR_BOOKE_MAS4] & MAS4_TIDSELD_PIDZ) { + case MAS4_TIDSELD_PID0: + env->spr[SPR_BOOKE_MAS1] |= env->spr[SPR_BOOKE_PID] << MAS1_TID_SHIFT; + break; + case MAS4_TIDSELD_PID1: + env->spr[SPR_BOOKE_MAS1] |= env->spr[SPR_BOOKE_PID1] << MAS1_TID_SHIFT; + break; + case MAS4_TIDSELD_PID2: + env->spr[SPR_BOOKE_MAS1] |= env->spr[SPR_BOOKE_PID2] << MAS1_TID_SHIFT; + break; + } + + env->spr[SPR_BOOKE_MAS6] |= env->spr[SPR_BOOKE_PID] << 16; + + /* next victim logic */ + env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_ESEL_SHIFT; + env->last_way++; + env->last_way &= booke206_tlb_ways(env, 0) - 1; + env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT; +} + /* Perform address translation */ int cpu_ppc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, int mmu_idx, int is_softmmu) @@ -1403,15 +1561,14 @@ int cpu_ppc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, env->exception_index = POWERPC_EXCP_ISI; env->error_code = 0x40000000; break; + case POWERPC_MMU_BOOKE206: + booke206_update_mas_tlb_miss(env, address, rw); + /* fall through */ case POWERPC_MMU_BOOKE: env->exception_index = POWERPC_EXCP_ITLB; env->error_code = 0; env->spr[SPR_BOOKE_DEAR] = address; return -1; - case POWERPC_MMU_BOOKE_FSL: - /* XXX: TODO */ - cpu_abort(env, "BookE FSL MMU model is not implemented\n"); - return -1; case POWERPC_MMU_MPC8xx: /* XXX: TODO */ cpu_abort(env, "MPC8xx MMU model is not implemented\n"); @@ -1432,7 +1589,8 @@ int cpu_ppc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, break; case -3: /* No execute protection violation */ - if (env->mmu_model == POWERPC_MMU_BOOKE) { + if ((env->mmu_model == POWERPC_MMU_BOOKE) || + (env->mmu_model == POWERPC_MMU_BOOKE206)) { env->spr[SPR_BOOKE_ESR] = 0x00000000; } env->exception_index = POWERPC_EXCP_ISI; @@ -1522,16 +1680,15 @@ int cpu_ppc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, /* XXX: TODO */ cpu_abort(env, "MPC8xx MMU model is not implemented\n"); break; + case POWERPC_MMU_BOOKE206: + booke206_update_mas_tlb_miss(env, address, rw); + /* fall through */ case POWERPC_MMU_BOOKE: env->exception_index = POWERPC_EXCP_DTLB; env->error_code = 0; env->spr[SPR_BOOKE_DEAR] = address; env->spr[SPR_BOOKE_ESR] = rw ? 1 << ESR_ST : 0; return -1; - case POWERPC_MMU_BOOKE_FSL: - /* XXX: TODO */ - cpu_abort(env, "BookE FSL MMU model is not implemented\n"); - return -1; case POWERPC_MMU_REAL: cpu_abort(env, "PowerPC in real mode should never raise " "any MMU exceptions\n"); @@ -1551,7 +1708,8 @@ int cpu_ppc_handle_mmu_fault (CPUState *env, target_ulong address, int rw, if (rw) { env->spr[SPR_40x_ESR] |= 0x00800000; } - } else if (env->mmu_model == POWERPC_MMU_BOOKE) { + } else if ((env->mmu_model == POWERPC_MMU_BOOKE) || + (env->mmu_model == POWERPC_MMU_BOOKE206)) { env->spr[SPR_BOOKE_DEAR] = address; env->spr[SPR_BOOKE_ESR] = rw ? 1 << ESR_ST : 0; } else { @@ -1822,10 +1980,8 @@ void ppc_tlb_invalidate_all (CPUPPCState *env) case POWERPC_MMU_BOOKE: tlb_flush(env, 1); break; - case POWERPC_MMU_BOOKE_FSL: - /* XXX: TODO */ - if (!kvm_enabled()) - cpu_abort(env, "BookE MMU model is not implemented\n"); + case POWERPC_MMU_BOOKE206: + booke206_flush_tlb(env, -1, 0); break; case POWERPC_MMU_32B: case POWERPC_MMU_601: @@ -1869,9 +2025,9 @@ void ppc_tlb_invalidate_one (CPUPPCState *env, target_ulong addr) /* XXX: TODO */ cpu_abort(env, "BookE MMU model is not implemented\n"); break; - case POWERPC_MMU_BOOKE_FSL: + case POWERPC_MMU_BOOKE206: /* XXX: TODO */ - cpu_abort(env, "BookE FSL MMU model is not implemented\n"); + cpu_abort(env, "BookE 2.06 MMU model is not implemented\n"); break; case POWERPC_MMU_32B: case POWERPC_MMU_601: @@ -2589,7 +2745,8 @@ static inline void powerpc_excp(CPUState *env, int excp_model, int excp) env->exception_index = POWERPC_EXCP_NONE; env->error_code = 0; - if (env->mmu_model == POWERPC_MMU_BOOKE) { + if ((env->mmu_model == POWERPC_MMU_BOOKE) || + (env->mmu_model == POWERPC_MMU_BOOKE206)) { /* XXX: The BookE changes address space when switching modes, we should probably implement that as different MMU indexes, but for the moment we do it the slow way and flush all. */ diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 7c02be9cfd..51c99c816f 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -334,6 +334,12 @@ DEF_HELPER_1(4xx_tlbsx, tl, tl) DEF_HELPER_2(440_tlbre, tl, i32, tl) DEF_HELPER_3(440_tlbwe, void, i32, tl, tl) DEF_HELPER_1(440_tlbsx, tl, tl) +DEF_HELPER_0(booke206_tlbre, void) +DEF_HELPER_0(booke206_tlbwe, void) +DEF_HELPER_1(booke206_tlbsx, void, tl) +DEF_HELPER_1(booke206_tlbivax, void, tl) +DEF_HELPER_1(booke206_tlbflush, void, i32) +DEF_HELPER_2(booke_setpid, void, i32, tl) DEF_HELPER_1(6xx_tlbd, void, tl) DEF_HELPER_1(6xx_tlbi, void, tl) DEF_HELPER_1(74xx_tlbd, void, tl) diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index d5db484b4a..e165444102 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -4206,4 +4206,300 @@ target_ulong helper_440_tlbsx (target_ulong address) return ppcemb_tlb_search(env, address, env->spr[SPR_440_MMUCR] & 0xFF); } +/* PowerPC BookE 2.06 TLB management */ + +static ppcemb_tlb_t *booke206_cur_tlb(CPUState *env) +{ + uint32_t tlbncfg = 0; + int esel = (env->spr[SPR_BOOKE_MAS0] & MAS0_ESEL_MASK) >> MAS0_ESEL_SHIFT; + int ea = (env->spr[SPR_BOOKE_MAS2] & MAS2_EPN_MASK); + int tlb; + + tlb = (env->spr[SPR_BOOKE_MAS0] & MAS0_TLBSEL_MASK) >> MAS0_TLBSEL_SHIFT; + tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlb]; + + if ((tlbncfg & TLBnCFG_HES) && (env->spr[SPR_BOOKE_MAS0] & MAS0_HES)) { + cpu_abort(env, "we don't support HES yet\n"); + } + + return booke206_get_tlbe(env, tlb, ea, esel); +} + +static inline target_phys_addr_t booke206_tlb_to_page_size(int size) +{ + return (1 << (size << 1)) << 10; +} + +static inline target_phys_addr_t booke206_page_size_to_tlb(uint64_t size) +{ + return (ffs(size >> 10) - 1) >> 1; +} + +void helper_booke_setpid(uint32_t pidn, target_ulong pid) +{ + env->spr[pidn] = pid; + /* changing PIDs mean we're in a different address space now */ + tlb_flush(env, 1); +} + +void helper_booke206_tlbwe(void) +{ + uint32_t tlbncfg, tlbn; + ppcemb_tlb_t *tlb; + target_phys_addr_t rpn; + int tlbe_size; + + switch (env->spr[SPR_BOOKE_MAS0] & MAS0_WQ_MASK) { + case MAS0_WQ_ALWAYS: + /* good to go, write that entry */ + break; + case MAS0_WQ_COND: + /* XXX check if reserved */ + if (0) { + return; + } + break; + case MAS0_WQ_CLR_RSRV: + /* XXX clear entry */ + return; + default: + /* no idea what to do */ + return; + } + + if (((env->spr[SPR_BOOKE_MAS0] & MAS0_ATSEL) == MAS0_ATSEL_LRAT) && + !msr_gs) { + /* XXX we don't support direct LRAT setting yet */ + fprintf(stderr, "cpu: don't support LRAT setting yet\n"); + return; + } + + tlbn = (env->spr[SPR_BOOKE_MAS0] & MAS0_TLBSEL_MASK) >> MAS0_TLBSEL_SHIFT; + tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn]; + + tlb = booke206_cur_tlb(env); + + if (msr_gs) { + cpu_abort(env, "missing HV implementation\n"); + } else { + rpn = ((uint64_t)env->spr[SPR_BOOKE_MAS7] << 32) | + (env->spr[SPR_BOOKE_MAS3] & 0xfffff000); + } + tlb->RPN = rpn; + + tlb->PID = (env->spr[SPR_BOOKE_MAS1] & MAS1_TID_MASK) >> MAS1_TID_SHIFT; + if (tlbncfg & TLBnCFG_AVAIL) { + tlbe_size = (env->spr[SPR_BOOKE_MAS1] & MAS1_TSIZE_MASK) + >> MAS1_TSIZE_SHIFT; + } else { + tlbe_size = (tlbncfg & TLBnCFG_MINSIZE) >> TLBnCFG_MINSIZE_SHIFT; + } + + tlb->size = booke206_tlb_to_page_size(tlbe_size); + tlb->EPN = (uint32_t)(env->spr[SPR_BOOKE_MAS2] & MAS2_EPN_MASK); + tlb->attr = env->spr[SPR_BOOKE_MAS2] & (MAS2_ACM | MAS2_VLE | MAS2_W | + MAS2_I | MAS2_M | MAS2_G | MAS2_E) + << 1; + + if (tlbncfg & TLBnCFG_IPROT) { + tlb->attr |= env->spr[SPR_BOOKE_MAS1] & MAS1_IPROT; + } + tlb->attr |= (env->spr[SPR_BOOKE_MAS3] & + ((MAS3_U0 | MAS3_U1 | MAS3_U2 | MAS3_U3)) << 8); + if (env->spr[SPR_BOOKE_MAS1] & MAS1_TS) { + tlb->attr |= 1; + } + + tlb->prot = 0; + + if (env->spr[SPR_BOOKE_MAS1] & MAS1_VALID) { + tlb->prot |= PAGE_VALID; + } + if (env->spr[SPR_BOOKE_MAS3] & MAS3_UX) { + tlb->prot |= PAGE_EXEC; + } + if (env->spr[SPR_BOOKE_MAS3] & MAS3_SX) { + tlb->prot |= PAGE_EXEC << 4; + } + if (env->spr[SPR_BOOKE_MAS3] & MAS3_UW) { + tlb->prot |= PAGE_WRITE; + } + if (env->spr[SPR_BOOKE_MAS3] & MAS3_SW) { + tlb->prot |= PAGE_WRITE << 4; + } + if (env->spr[SPR_BOOKE_MAS3] & MAS3_UR) { + tlb->prot |= PAGE_READ; + } + if (env->spr[SPR_BOOKE_MAS3] & MAS3_SR) { + tlb->prot |= PAGE_READ << 4; + } + + if (tlb->size == TARGET_PAGE_SIZE) { + tlb_flush_page(env, tlb->EPN); + } else { + tlb_flush(env, 1); + } +} + +static inline void booke206_tlb_to_mas(CPUState *env, ppcemb_tlb_t *tlb) +{ + int tlbn = booke206_tlbe_to_tlbn(env, tlb); + int way = booke206_tlbe_to_way(env, tlb); + + env->spr[SPR_BOOKE_MAS0] = tlbn << MAS0_TLBSEL_SHIFT; + env->spr[SPR_BOOKE_MAS0] |= way << MAS0_ESEL_SHIFT; + + env->spr[SPR_BOOKE_MAS1] = MAS1_VALID; + env->spr[SPR_BOOKE_MAS2] = 0; + + env->spr[SPR_BOOKE_MAS7] = (uint64_t)tlb->RPN >> 32; + env->spr[SPR_BOOKE_MAS3] = tlb->RPN; + env->spr[SPR_BOOKE_MAS1] |= tlb->PID << MAS1_TID_SHIFT; + env->spr[SPR_BOOKE_MAS1] |= booke206_page_size_to_tlb(tlb->size) + << MAS1_TSIZE_SHIFT; + env->spr[SPR_BOOKE_MAS1] |= tlb->attr & MAS1_IPROT; + if (tlb->attr & 1) { + env->spr[SPR_BOOKE_MAS1] |= MAS1_TS; + } + + env->spr[SPR_BOOKE_MAS2] = tlb->EPN; + env->spr[SPR_BOOKE_MAS2] |= (tlb->attr >> 1) & + (MAS2_ACM | MAS2_VLE | MAS2_W | MAS2_I | MAS2_M | MAS2_G | MAS2_E); + + if (tlb->prot & PAGE_EXEC) { + env->spr[SPR_BOOKE_MAS3] |= MAS3_UX; + } + if (tlb->prot & (PAGE_EXEC << 4)) { + env->spr[SPR_BOOKE_MAS3] |= MAS3_SX; + } + if (tlb->prot & PAGE_WRITE) { + env->spr[SPR_BOOKE_MAS3] |= MAS3_UW; + } + if (tlb->prot & (PAGE_WRITE << 4)) { + env->spr[SPR_BOOKE_MAS3] |= MAS3_SW; + } + if (tlb->prot & PAGE_READ) { + env->spr[SPR_BOOKE_MAS3] |= MAS3_UR; + } + if (tlb->prot & (PAGE_READ << 4)) { + env->spr[SPR_BOOKE_MAS3] |= MAS3_SR; + } + + env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT; +} + +void helper_booke206_tlbre(void) +{ + ppcemb_tlb_t *tlb = NULL; + + tlb = booke206_cur_tlb(env); + booke206_tlb_to_mas(env, tlb); +} + +void helper_booke206_tlbsx(target_ulong address) +{ + ppcemb_tlb_t *tlb = NULL; + int i, j; + target_phys_addr_t raddr; + uint32_t spid, sas; + + spid = (env->spr[SPR_BOOKE_MAS6] & MAS6_SPID_MASK) >> MAS6_SPID_SHIFT; + sas = env->spr[SPR_BOOKE_MAS6] & MAS6_SAS; + + for (i = 0; i < BOOKE206_MAX_TLBN; i++) { + int ways = booke206_tlb_ways(env, i); + + for (j = 0; j < ways; j++) { + tlb = booke206_get_tlbe(env, i, address, j); + + if (ppcemb_tlb_check(env, tlb, &raddr, address, spid, 0, j)) { + continue; + } + + if (sas != (tlb->attr & MAS6_SAS)) { + continue; + } + + booke206_tlb_to_mas(env, tlb); + return; + } + } + + /* no entry found, fill with defaults */ + env->spr[SPR_BOOKE_MAS0] = env->spr[SPR_BOOKE_MAS4] & MAS4_TLBSELD_MASK; + env->spr[SPR_BOOKE_MAS1] = env->spr[SPR_BOOKE_MAS4] & MAS4_TSIZED_MASK; + env->spr[SPR_BOOKE_MAS2] = env->spr[SPR_BOOKE_MAS4] & MAS4_WIMGED_MASK; + env->spr[SPR_BOOKE_MAS3] = 0; + env->spr[SPR_BOOKE_MAS7] = 0; + + if (env->spr[SPR_BOOKE_MAS6] & MAS6_SAS) { + env->spr[SPR_BOOKE_MAS1] |= MAS1_TS; + } + + env->spr[SPR_BOOKE_MAS1] |= (env->spr[SPR_BOOKE_MAS6] >> 16) + << MAS1_TID_SHIFT; + + /* next victim logic */ + env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_ESEL_SHIFT; + env->last_way++; + env->last_way &= booke206_tlb_ways(env, 0) - 1; + env->spr[SPR_BOOKE_MAS0] |= env->last_way << MAS0_NV_SHIFT; +} + +static inline void booke206_invalidate_ea_tlb(CPUState *env, int tlbn, + uint32_t ea) +{ + int i; + int ways = booke206_tlb_ways(env, tlbn); + + for (i = 0; i < ways; i++) { + ppcemb_tlb_t *tlb = booke206_get_tlbe(env, tlbn, ea, i); + target_phys_addr_t masked_ea = ea & ~(tlb->size - 1); + if ((tlb->EPN == (masked_ea >> MAS2_EPN_SHIFT)) && + !(tlb->attr & MAS1_IPROT)) { + tlb->prot = 0; + } + } +} + +void helper_booke206_tlbivax(target_ulong address) +{ + if (address & 0x4) { + /* flush all entries */ + if (address & 0x8) { + /* flush all of TLB1 */ + booke206_flush_tlb(env, BOOKE206_FLUSH_TLB1, 1); + } else { + /* flush all of TLB0 */ + booke206_flush_tlb(env, BOOKE206_FLUSH_TLB0, 0); + } + return; + } + + if (address & 0x8) { + /* flush TLB1 entries */ + booke206_invalidate_ea_tlb(env, 1, address); + tlb_flush(env, 1); + } else { + /* flush TLB0 entries */ + booke206_invalidate_ea_tlb(env, 0, address); + tlb_flush_page(env, address & MAS2_EPN_MASK); + } +} + +void helper_booke206_tlbflush(uint32_t type) +{ + int flags = 0; + + if (type & 2) { + flags |= BOOKE206_FLUSH_TLB1; + } + + if (type & 4) { + flags |= BOOKE206_FLUSH_TLB0; + } + + booke206_flush_tlb(env, flags, 1); +} + #endif /* !CONFIG_USER_ONLY */ diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 95813f218d..9b3f90c858 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -5988,6 +5988,80 @@ static void gen_tlbwe_440(DisasContext *ctx) #endif } +/* TLB management - PowerPC BookE 2.06 implementation */ + +/* tlbre */ +static void gen_tlbre_booke206(DisasContext *ctx) +{ +#if defined(CONFIG_USER_ONLY) + gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); +#else + if (unlikely(!ctx->mem_idx)) { + gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); + return; + } + + gen_helper_booke206_tlbre(); +#endif +} + +/* tlbsx - tlbsx. */ +static void gen_tlbsx_booke206(DisasContext *ctx) +{ +#if defined(CONFIG_USER_ONLY) + gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); +#else + TCGv t0; + if (unlikely(!ctx->mem_idx)) { + gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); + return; + } + + if (rA(ctx->opcode)) { + t0 = tcg_temp_new(); + tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]); + } else { + t0 = tcg_const_tl(0); + } + + tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]); + gen_helper_booke206_tlbsx(t0); +#endif +} + +/* tlbwe */ +static void gen_tlbwe_booke206(DisasContext *ctx) +{ +#if defined(CONFIG_USER_ONLY) + gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); +#else + if (unlikely(!ctx->mem_idx)) { + gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); + return; + } + gen_helper_booke206_tlbwe(); +#endif +} + +static void gen_tlbivax_booke206(DisasContext *ctx) +{ +#if defined(CONFIG_USER_ONLY) + gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); +#else + TCGv t0; + if (unlikely(!ctx->mem_idx)) { + gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); + return; + } + + t0 = tcg_temp_new(); + gen_addr_reg_index(ctx, t0); + + gen_helper_booke206_tlbivax(t0); +#endif +} + + /* wrtee */ static void gen_wrtee(DisasContext *ctx) { @@ -8434,7 +8508,7 @@ GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT), GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON), GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON), GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP), -GEN_HANDLER(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE), +GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206), GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI), GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI), GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB), @@ -8443,12 +8517,23 @@ GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB), GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE), GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE), GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE), +GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, + PPC_NONE, PPC2_BOOKE206), +GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, + PPC_NONE, PPC2_BOOKE206), +GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, + PPC_NONE, PPC2_BOOKE206), +GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001, + PPC_NONE, PPC2_BOOKE206), GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE), GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE), GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC), -GEN_HANDLER(mbar, 0x1F, 0x16, 0x1a, 0x001FF801, PPC_BOOKE), -GEN_HANDLER(msync, 0x1F, 0x16, 0x12, 0x03FFF801, PPC_BOOKE), -GEN_HANDLER2(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001, PPC_BOOKE), +GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801, + PPC_BOOKE, PPC2_BOOKE206), +GEN_HANDLER_E(msync, 0x1F, 0x16, 0x12, 0x03FFF801, + PPC_BOOKE, PPC2_BOOKE206), +GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001, + PPC_BOOKE, PPC2_BOOKE206), GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC), GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC), GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC), @@ -9197,7 +9282,7 @@ void cpu_dump_state (CPUState *env, FILE *f, fprintf_function cpu_fprintf, #endif cpu_fprintf(f, " SDR1 " TARGET_FMT_lx "\n", env->spr[SPR_SDR1]); break; - case POWERPC_MMU_BOOKE_FSL: + case POWERPC_MMU_BOOKE206: cpu_fprintf(f, " MAS0 " TARGET_FMT_lx " MAS1 " TARGET_FMT_lx " MAS2 " TARGET_FMT_lx " MAS3 " TARGET_FMT_lx "\n", env->spr[SPR_BOOKE_MAS0], env->spr[SPR_BOOKE_MAS1], diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c index aec0e138c3..40092b30fb 100644 --- a/target-ppc/translate_init.c +++ b/target-ppc/translate_init.c @@ -1355,6 +1355,31 @@ static void gen_74xx_soft_tlb (CPUPPCState *env, int nb_tlbs, int nb_ways) #endif } +#if !defined(CONFIG_USER_ONLY) +static void spr_write_e500_l1csr0 (void *opaque, int sprn, int gprn) +{ + TCGv t0 = tcg_temp_new(); + + tcg_gen_andi_tl(t0, cpu_gpr[gprn], ~256); + gen_store_spr(sprn, t0); + tcg_temp_free(t0); +} + +static void spr_write_booke206_mmucsr0 (void *opaque, int sprn, int gprn) +{ + TCGv t0 = tcg_const_i32(sprn); + gen_helper_booke206_tlbflush(t0); + tcg_temp_free(t0); +} + +static void spr_write_booke_pid (void *opaque, int sprn, int gprn) +{ + TCGv t0 = tcg_const_i32(sprn); + gen_helper_booke_setpid(t0, cpu_gpr[gprn]); + tcg_temp_free(t0); +} +#endif + static void gen_spr_usprgh (CPUPPCState *env) { spr_register(env, SPR_USPRG4, "USPRG4", @@ -1494,7 +1519,7 @@ static void gen_spr_BookE (CPUPPCState *env, uint64_t ivor_mask) } spr_register(env, SPR_BOOKE_PID, "PID", SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + &spr_read_generic, &spr_write_booke_pid, 0x00000000); spr_register(env, SPR_BOOKE_TCR, "TCR", SPR_NOACCESS, SPR_NOACCESS, @@ -1536,8 +1561,19 @@ static void gen_spr_BookE (CPUPPCState *env, uint64_t ivor_mask) 0x00000000); } -/* FSL storage control registers */ -static void gen_spr_BookE_FSL (CPUPPCState *env, uint32_t mas_mask) +static inline uint32_t gen_tlbncfg(uint32_t assoc, uint32_t minsize, + uint32_t maxsize, uint32_t flags, + uint32_t nentries) +{ + return (assoc << TLBnCFG_ASSOC_SHIFT) | + (minsize << TLBnCFG_MINSIZE_SHIFT) | + (maxsize << TLBnCFG_MAXSIZE_SHIFT) | + flags | nentries; +} + +/* BookE 2.06 storage control registers */ +static void gen_spr_BookE206(CPUPPCState *env, uint32_t mas_mask, + uint32_t *tlbncfg) { #if !defined(CONFIG_USER_ONLY) const char *mas_names[8] = { @@ -1563,14 +1599,14 @@ static void gen_spr_BookE_FSL (CPUPPCState *env, uint32_t mas_mask) /* XXX : not implemented */ spr_register(env, SPR_BOOKE_PID1, "PID1", SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + &spr_read_generic, &spr_write_booke_pid, 0x00000000); } if (env->nb_pids > 2) { /* XXX : not implemented */ spr_register(env, SPR_BOOKE_PID2, "PID2", SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + &spr_read_generic, &spr_write_booke_pid, 0x00000000); } /* XXX : not implemented */ @@ -1578,45 +1614,38 @@ static void gen_spr_BookE_FSL (CPUPPCState *env, uint32_t mas_mask) SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, SPR_NOACCESS, 0x00000000); /* TOFIX */ - /* XXX : not implemented */ - spr_register(env, SPR_MMUCSR0, "MMUCSR0", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); /* TOFIX */ switch (env->nb_ways) { case 4: - /* XXX : not implemented */ spr_register(env, SPR_BOOKE_TLB3CFG, "TLB3CFG", SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, SPR_NOACCESS, - 0x00000000); /* TOFIX */ + tlbncfg[3]); /* Fallthru */ case 3: - /* XXX : not implemented */ spr_register(env, SPR_BOOKE_TLB2CFG, "TLB2CFG", SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, SPR_NOACCESS, - 0x00000000); /* TOFIX */ + tlbncfg[2]); /* Fallthru */ case 2: - /* XXX : not implemented */ spr_register(env, SPR_BOOKE_TLB1CFG, "TLB1CFG", SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, SPR_NOACCESS, - 0x00000000); /* TOFIX */ + tlbncfg[1]); /* Fallthru */ case 1: - /* XXX : not implemented */ spr_register(env, SPR_BOOKE_TLB0CFG, "TLB0CFG", SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, SPR_NOACCESS, - 0x00000000); /* TOFIX */ + tlbncfg[0]); /* Fallthru */ case 0: default: break; } #endif + + gen_spr_usprgh(env); } /* SPR specific to PowerPC 440 implementation */ @@ -4113,7 +4142,7 @@ static void init_proc_G2LE (CPUPPCState *env) PPC_BOOKE) #define POWERPC_INSNS2_e200 (PPC_NONE) #define POWERPC_MSRM_e200 (0x000000000606FF30ULL) -#define POWERPC_MMU_e200 (POWERPC_MMU_BOOKE_FSL) +#define POWERPC_MMU_e200 (POWERPC_MMU_BOOKE206) #define POWERPC_EXCP_e200 (POWERPC_EXCP_BOOKE) #define POWERPC_INPUT_e200 (PPC_FLAGS_INPUT_BookE) #define POWERPC_BFDM_e200 (bfd_mach_ppc_860) @@ -4134,7 +4163,7 @@ static void init_proc_e200 (CPUPPCState *env) &spr_read_spefscr, &spr_write_spefscr, 0x00000000); /* Memory management */ - gen_spr_BookE_FSL(env, 0x0000005D); + gen_spr_BookE206(env, 0x0000005D, NULL); /* XXX : not implemented */ spr_register(env, SPR_HID0, "HID0", SPR_NOACCESS, SPR_NOACCESS, @@ -4205,6 +4234,11 @@ static void init_proc_e200 (CPUPPCState *env) SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, &spr_write_generic, 0x00000000); + /* XXX : not implemented */ + spr_register(env, SPR_MMUCSR0, "MMUCSR0", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_generic, + 0x00000000); /* TOFIX */ spr_register(env, SPR_BOOKE_DSRR0, "DSRR0", SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, &spr_write_generic, @@ -4282,11 +4316,10 @@ static void init_proc_e300 (CPUPPCState *env) PPC_WRTEE | PPC_RFDI | \ PPC_CACHE | PPC_CACHE_LOCK | PPC_CACHE_ICBI | \ PPC_CACHE_DCBZ | PPC_CACHE_DCBA | \ - PPC_MEM_TLBSYNC | PPC_TLBIVAX | \ - PPC_BOOKE) -#define POWERPC_INSNS2_e500v1 (PPC_NONE) + PPC_MEM_TLBSYNC | PPC_TLBIVAX) +#define POWERPC_INSNS2_e500v1 (PPC2_BOOKE206) #define POWERPC_MSRM_e500v1 (0x000000000606FF30ULL) -#define POWERPC_MMU_e500v1 (POWERPC_MMU_BOOKE_FSL) +#define POWERPC_MMU_e500v1 (POWERPC_MMU_BOOKE206) #define POWERPC_EXCP_e500v1 (POWERPC_EXCP_BOOKE) #define POWERPC_INPUT_e500v1 (PPC_FLAGS_INPUT_BookE) #define POWERPC_BFDM_e500v1 (bfd_mach_ppc_860) @@ -4294,7 +4327,7 @@ static void init_proc_e300 (CPUPPCState *env) POWERPC_FLAG_UBLE | POWERPC_FLAG_DE | \ POWERPC_FLAG_BUS_CLK) #define check_pow_e500v1 check_pow_hid0 -#define init_proc_e500v1 init_proc_e500 +#define init_proc_e500v1 init_proc_e500v1 /* e500v2 core */ #define POWERPC_INSNS_e500v2 (PPC_INSNS_BASE | PPC_ISEL | \ @@ -4302,11 +4335,10 @@ static void init_proc_e300 (CPUPPCState *env) PPC_WRTEE | PPC_RFDI | \ PPC_CACHE | PPC_CACHE_LOCK | PPC_CACHE_ICBI | \ PPC_CACHE_DCBZ | PPC_CACHE_DCBA | \ - PPC_MEM_TLBSYNC | PPC_TLBIVAX | \ - PPC_BOOKE) -#define POWERPC_INSNS2_e500v2 (PPC_NONE) + PPC_MEM_TLBSYNC | PPC_TLBIVAX) +#define POWERPC_INSNS2_e500v2 (PPC2_BOOKE206) #define POWERPC_MSRM_e500v2 (0x000000000606FF30ULL) -#define POWERPC_MMU_e500v2 (POWERPC_MMU_BOOKE_FSL) +#define POWERPC_MMU_e500v2 (POWERPC_MMU_BOOKE206) #define POWERPC_EXCP_e500v2 (POWERPC_EXCP_BOOKE) #define POWERPC_INPUT_e500v2 (PPC_FLAGS_INPUT_BookE) #define POWERPC_BFDM_e500v2 (bfd_mach_ppc_860) @@ -4314,13 +4346,23 @@ static void init_proc_e300 (CPUPPCState *env) POWERPC_FLAG_UBLE | POWERPC_FLAG_DE | \ POWERPC_FLAG_BUS_CLK) #define check_pow_e500v2 check_pow_hid0 -#define init_proc_e500v2 init_proc_e500 +#define init_proc_e500v2 init_proc_e500v2 -static void init_proc_e500 (CPUPPCState *env) +static void init_proc_e500 (CPUPPCState *env, int version) { + uint32_t tlbncfg[2]; +#if !defined(CONFIG_USER_ONLY) + int i; +#endif + /* Time base */ gen_tbl(env); - gen_spr_BookE(env, 0x0000000F0000FD7FULL); + /* + * XXX The e500 doesn't implement IVOR7 and IVOR9, but doesn't + * complain when accessing them. + * gen_spr_BookE(env, 0x0000000F0000FD7FULL); + */ + gen_spr_BookE(env, 0x0000000F0000FFFFULL); /* Processor identification */ spr_register(env, SPR_BOOKE_PIR, "PIR", SPR_NOACCESS, SPR_NOACCESS, @@ -4334,8 +4376,24 @@ static void init_proc_e500 (CPUPPCState *env) /* Memory management */ #if !defined(CONFIG_USER_ONLY) env->nb_pids = 3; + env->nb_ways = 2; + env->id_tlbs = 0; + switch (version) { + case 1: + /* e500v1 */ + tlbncfg[0] = gen_tlbncfg(2, 1, 1, 0, 256); + tlbncfg[1] = gen_tlbncfg(16, 1, 9, TLBnCFG_AVAIL | TLBnCFG_IPROT, 16); + break; + case 2: + /* e500v2 */ + tlbncfg[0] = gen_tlbncfg(4, 1, 1, 0, 512); + tlbncfg[1] = gen_tlbncfg(16, 1, 12, TLBnCFG_AVAIL | TLBnCFG_IPROT, 16); + break; + default: + cpu_abort(env, "Unknown CPU: " TARGET_FMT_lx "\n", env->spr[SPR_PVR]); + } #endif - gen_spr_BookE_FSL(env, 0x0000005F); + gen_spr_BookE206(env, 0x000000DF, tlbncfg); /* XXX : not implemented */ spr_register(env, SPR_HID0, "HID0", SPR_NOACCESS, SPR_NOACCESS, @@ -4384,23 +4442,13 @@ static void init_proc_e500 (CPUPPCState *env) /* XXX : not implemented */ spr_register(env, SPR_Exxx_L1CSR0, "L1CSR0", SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, + &spr_read_generic, &spr_write_e500_l1csr0, 0x00000000); /* XXX : not implemented */ spr_register(env, SPR_Exxx_L1CSR1, "L1CSR1", SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, &spr_write_generic, 0x00000000); - /* XXX : not implemented */ - spr_register(env, SPR_BOOKE_TLB0CFG, "TLB0CFG", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); - /* XXX : not implemented */ - spr_register(env, SPR_BOOKE_TLB1CFG, "TLB1CFG", - SPR_NOACCESS, SPR_NOACCESS, - &spr_read_generic, &spr_write_generic, - 0x00000000); spr_register(env, SPR_BOOKE_MCSRR0, "MCSRR0", SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, &spr_write_generic, @@ -4409,11 +4457,18 @@ static void init_proc_e500 (CPUPPCState *env) SPR_NOACCESS, SPR_NOACCESS, &spr_read_generic, &spr_write_generic, 0x00000000); + spr_register(env, SPR_MMUCSR0, "MMUCSR0", + SPR_NOACCESS, SPR_NOACCESS, + &spr_read_generic, &spr_write_booke206_mmucsr0, + 0x00000000); + #if !defined(CONFIG_USER_ONLY) - env->nb_tlb = 64; - env->nb_ways = 1; - env->id_tlbs = 0; + env->nb_tlb = 0; + for (i = 0; i < BOOKE206_MAX_TLBN; i++) { + env->nb_tlb += booke206_tlb_size(env, i); + } #endif + init_excp_e200(env); env->dcache_line_size = 32; env->icache_line_size = 32; @@ -4421,6 +4476,16 @@ static void init_proc_e500 (CPUPPCState *env) ppce500_irq_init(env); } +static void init_proc_e500v1(CPUPPCState *env) +{ + init_proc_e500(env, 1); +} + +static void init_proc_e500v2(CPUPPCState *env) +{ + init_proc_e500(env, 2); +} + /* Non-embedded PowerPC */ /* POWER : same as 601, without mfmsr, mfsr */ @@ -9756,8 +9821,8 @@ int cpu_ppc_register_internal (CPUPPCState *env, const ppc_def_t *def) case POWERPC_MMU_BOOKE: mmu_model = "PowerPC BookE"; break; - case POWERPC_MMU_BOOKE_FSL: - mmu_model = "PowerPC BookE FSL"; + case POWERPC_MMU_BOOKE206: + mmu_model = "PowerPC BookE 2.06"; break; case POWERPC_MMU_601: mmu_model = "PowerPC 601"; |