diff options
Diffstat (limited to 'target-ppc/cpu.h')
| -rw-r--r-- | target-ppc/cpu.h | 304 |
1 files changed, 301 insertions, 3 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__) */ |