diff options
Diffstat (limited to 'target/mips')
| -rw-r--r-- | target/mips/cpu.h | 241 | ||||
| -rw-r--r-- | target/mips/helper.c | 365 | ||||
| -rw-r--r-- | target/mips/helper.h | 3 | ||||
| -rw-r--r-- | target/mips/internal.h | 34 | ||||
| -rw-r--r-- | target/mips/machine.c | 8 | ||||
| -rw-r--r-- | target/mips/mips-defs.h | 82 | ||||
| -rw-r--r-- | target/mips/op_helper.c | 88 | ||||
| -rw-r--r-- | target/mips/translate.c | 1766 | ||||
| -rw-r--r-- | target/mips/translate_init.inc.c | 68 |
9 files changed, 2478 insertions, 177 deletions
diff --git a/target/mips/cpu.h b/target/mips/cpu.h index 28af4d191c..e48be4b334 100644 --- a/target/mips/cpu.h +++ b/target/mips/cpu.h @@ -195,10 +195,125 @@ struct CPUMIPSState { #define MSAIR_ProcID 8 #define MSAIR_Rev 0 +/* + * Summary of CP0 registers + * ======================== + * + * + * Register 0 Register 1 Register 2 Register 3 + * ---------- ---------- ---------- ---------- + * + * 0 Index Random EntryLo0 EntryLo1 + * 1 MVPControl VPEControl TCStatus GlobalNumber + * 2 MVPConf0 VPEConf0 TCBind + * 3 MVPConf1 VPEConf1 TCRestart + * 4 VPControl YQMask TCHalt + * 5 VPESchedule TCContext + * 6 VPEScheFBack TCSchedule + * 7 VPEOpt TCScheFBack TCOpt + * + * + * Register 4 Register 5 Register 6 Register 7 + * ---------- ---------- ---------- ---------- + * + * 0 Context PageMask Wired HWREna + * 1 ContextConfig PageGrain SRSConf0 + * 2 UserLocal SegCtl0 SRSConf1 + * 3 XContextConfig SegCtl1 SRSConf2 + * 4 DebugContextID SegCtl2 SRSConf3 + * 5 MemoryMapID PWBase SRSConf4 + * 6 PWField PWCtl + * 7 PWSize + * + * + * Register 8 Register 9 Register 10 Register 11 + * ---------- ---------- ----------- ----------- + * + * 0 BadVAddr Count EntryHi Compare + * 1 BadInstr + * 2 BadInstrP + * 3 BadInstrX + * 4 GuestCtl1 GuestCtl0Ext + * 5 GuestCtl2 + * 6 GuestCtl3 + * 7 + * + * + * Register 12 Register 13 Register 14 Register 15 + * ----------- ----------- ----------- ----------- + * + * 0 Status Cause EPC PRId + * 1 IntCtl EBase + * 2 SRSCtl NestedEPC CDMMBase + * 3 SRSMap CMGCRBase + * 4 View_IPL View_RIPL BEVVA + * 5 SRSMap2 NestedExc + * 6 GuestCtl0 + * 7 GTOffset + * + * + * Register 16 Register 17 Register 18 Register 19 + * ----------- ----------- ----------- ----------- + * + * 0 Config LLAddr WatchLo WatchHi + * 1 Config1 MAAR WatchLo WatchHi + * 2 Config2 MAARI WatchLo WatchHi + * 3 Config3 WatchLo WatchHi + * 4 Config4 WatchLo WatchHi + * 5 Config5 WatchLo WatchHi + * 6 WatchLo WatchHi + * 7 WatchLo WatchHi + * + * + * Register 20 Register 21 Register 22 Register 23 + * ----------- ----------- ----------- ----------- + * + * 0 XContext Debug + * 1 TraceControl + * 2 TraceControl2 + * 3 UserTraceData1 + * 4 TraceIBPC + * 5 TraceDBPC + * 6 Debug2 + * 7 + * + * + * Register 24 Register 25 Register 26 Register 27 + * ----------- ----------- ----------- ----------- + * + * 0 DEPC PerfCnt ErrCtl CacheErr + * 1 PerfCnt + * 2 TraceControl3 PerfCnt + * 3 UserTraceData2 PerfCnt + * 4 PerfCnt + * 5 PerfCnt + * 6 PerfCnt + * 7 PerfCnt + * + * + * Register 28 Register 29 Register 30 Register 31 + * ----------- ----------- ----------- ----------- + * + * 0 DataLo DataHi ErrorEPC DESAVE + * 1 TagLo TagHi + * 2 DataLo DataHi KScratch<n> + * 3 TagLo TagHi KScratch<n> + * 4 DataLo DataHi KScratch<n> + * 5 TagLo TagHi KScratch<n> + * 6 DataLo DataHi KScratch<n> + * 7 TagLo TagHi KScratch<n> + * + */ +/* + * CP0 Register 0 + */ int32_t CP0_Index; /* CP0_MVP* are per MVP registers. */ int32_t CP0_VPControl; #define CP0VPCtl_DIS 0 +/* + * CP0 Register 1 + */ int32_t CP0_Random; int32_t CP0_VPEControl; #define CP0VPECo_YSI 21 @@ -239,7 +354,13 @@ struct CPUMIPSState { #define CP0VPEOpt_DWX2 2 #define CP0VPEOpt_DWX1 1 #define CP0VPEOpt_DWX0 0 +/* + * CP0 Register 2 + */ uint64_t CP0_EntryLo0; +/* + * CP0 Register 3 + */ uint64_t CP0_EntryLo1; #if defined(TARGET_MIPS64) # define CP0EnLo_RI 63 @@ -250,8 +371,14 @@ struct CPUMIPSState { #endif int32_t CP0_GlobalNumber; #define CP0GN_VPId 0 +/* + * CP0 Register 4 + */ target_ulong CP0_Context; target_ulong CP0_KScratch[MIPS_KSCRATCH_NUM]; +/* + * CP0 Register 5 + */ int32_t CP0_PageMask; int32_t CP0_PageGrain_rw_bitmask; int32_t CP0_PageGrain; @@ -289,7 +416,47 @@ struct CPUMIPSState { #define CP0SC2_XR 56 #define CP0SC2_XR_MASK (0xFFULL << CP0SC2_XR) #define CP0SC2_MASK (CP0SC_1GMASK | (CP0SC_1GMASK << 16) | CP0SC2_XR_MASK) + target_ulong CP0_PWBase; + target_ulong CP0_PWField; +#if defined(TARGET_MIPS64) +#define CP0PF_BDI 32 /* 37..32 */ +#define CP0PF_GDI 24 /* 29..24 */ +#define CP0PF_UDI 18 /* 23..18 */ +#define CP0PF_MDI 12 /* 17..12 */ +#define CP0PF_PTI 6 /* 11..6 */ +#define CP0PF_PTEI 0 /* 5..0 */ +#else +#define CP0PF_GDW 24 /* 29..24 */ +#define CP0PF_UDW 18 /* 23..18 */ +#define CP0PF_MDW 12 /* 17..12 */ +#define CP0PF_PTW 6 /* 11..6 */ +#define CP0PF_PTEW 0 /* 5..0 */ +#endif + target_ulong CP0_PWSize; +#if defined(TARGET_MIPS64) +#define CP0PS_BDW 32 /* 37..32 */ +#endif +#define CP0PS_PS 30 +#define CP0PS_GDW 24 /* 29..24 */ +#define CP0PS_UDW 18 /* 23..18 */ +#define CP0PS_MDW 12 /* 17..12 */ +#define CP0PS_PTW 6 /* 11..6 */ +#define CP0PS_PTEW 0 /* 5..0 */ +/* + * CP0 Register 6 + */ int32_t CP0_Wired; + int32_t CP0_PWCtl; +#define CP0PC_PWEN 31 +#if defined(TARGET_MIPS64) +#define CP0PC_PWDIREXT 30 +#define CP0PC_XK 28 +#define CP0PC_XS 27 +#define CP0PC_XU 26 +#endif +#define CP0PC_DPH 7 +#define CP0PC_HUGEPG 6 +#define CP0PC_PSN 0 /* 5..0 */ int32_t CP0_SRSConf0_rw_bitmask; int32_t CP0_SRSConf0; #define CP0SRSC0_M 31 @@ -319,16 +486,34 @@ struct CPUMIPSState { #define CP0SRSC4_SRS15 20 #define CP0SRSC4_SRS14 10 #define CP0SRSC4_SRS13 0 +/* + * CP0 Register 7 + */ int32_t CP0_HWREna; +/* + * CP0 Register 8 + */ target_ulong CP0_BadVAddr; uint32_t CP0_BadInstr; uint32_t CP0_BadInstrP; uint32_t CP0_BadInstrX; +/* + * CP0 Register 9 + */ int32_t CP0_Count; +/* + * CP0 Register 10 + */ target_ulong CP0_EntryHi; #define CP0EnHi_EHINV 10 target_ulong CP0_EntryHi_ASID_mask; +/* + * CP0 Register 11 + */ int32_t CP0_Compare; +/* + * CP0 Register 12 + */ int32_t CP0_Status; #define CP0St_CU3 31 #define CP0St_CU2 30 @@ -370,6 +555,9 @@ struct CPUMIPSState { #define CP0SRSMap_SSV2 8 #define CP0SRSMap_SSV1 4 #define CP0SRSMap_SSV0 0 +/* + * CP0 Register 13 + */ int32_t CP0_Cause; #define CP0Ca_BD 31 #define CP0Ca_TI 30 @@ -381,12 +569,21 @@ struct CPUMIPSState { #define CP0Ca_IP 8 #define CP0Ca_IP_mask 0x0000FF00 #define CP0Ca_EC 2 +/* + * CP0 Register 14 + */ target_ulong CP0_EPC; +/* + * CP0 Register 15 + */ int32_t CP0_PRid; target_ulong CP0_EBase; target_ulong CP0_EBaseWG_rw_bitmask; #define CP0EBase_WG 11 target_ulong CP0_CMGCRBase; +/* + * CP0 Register 16 + */ int32_t CP0_Config0; #define CP0C0_M 31 #define CP0C0_K23 28 /* 30..28 */ @@ -503,6 +700,9 @@ struct CPUMIPSState { uint64_t CP0_MAAR[MIPS_MAAR_MAX]; int32_t CP0_MAARI; /* XXX: Maybe make LLAddr per-TC? */ +/* + * CP0 Register 17 + */ uint64_t lladdr; target_ulong llval; target_ulong llnewval; @@ -511,11 +711,23 @@ struct CPUMIPSState { target_ulong llreg; uint64_t CP0_LLAddr_rw_bitmask; int CP0_LLAddr_shift; +/* + * CP0 Register 18 + */ target_ulong CP0_WatchLo[8]; +/* + * CP0 Register 19 + */ int32_t CP0_WatchHi[8]; #define CP0WH_ASID 16 +/* + * CP0 Register 20 + */ target_ulong CP0_XContext; int32_t CP0_Framemask; +/* + * CP0 Register 23 + */ int32_t CP0_Debug; #define CP0DB_DBD 31 #define CP0DB_DM 30 @@ -535,18 +747,40 @@ struct CPUMIPSState { #define CP0DB_DDBL 2 #define CP0DB_DBp 1 #define CP0DB_DSS 0 +/* + * CP0 Register 24 + */ target_ulong CP0_DEPC; +/* + * CP0 Register 25 + */ int32_t CP0_Performance0; +/* + * CP0 Register 26 + */ int32_t CP0_ErrCtl; #define CP0EC_WST 29 #define CP0EC_SPR 28 #define CP0EC_ITC 26 +/* + * CP0 Register 28 + */ uint64_t CP0_TagLo; int32_t CP0_DataLo; +/* + * CP0 Register 29 + */ int32_t CP0_TagHi; int32_t CP0_DataHi; +/* + * CP0 Register 30 + */ target_ulong CP0_ErrorEPC; +/* + * CP0 Register 31 + */ int32_t CP0_DESAVE; + /* We waste some space so we can handle shadow registers like TCs. */ TCState tcs[MIPS_SHADOW_SET_MAX]; CPUMIPSFPUContext fpus[MIPS_FPU_MAX]; @@ -596,8 +830,9 @@ struct CPUMIPSState { #define MIPS_HFLAG_BX 0x40000 /* branch exchanges execution mode */ #define MIPS_HFLAG_BMASK (MIPS_HFLAG_BMASK_BASE | MIPS_HFLAG_BMASK_EXT) /* MIPS DSP resources access. */ -#define MIPS_HFLAG_DSP 0x080000 /* Enable access to MIPS DSP resources. */ -#define MIPS_HFLAG_DSPR2 0x100000 /* Enable access to MIPS DSPR2 resources. */ +#define MIPS_HFLAG_DSP 0x080000 /* Enable access to DSP resources. */ +#define MIPS_HFLAG_DSP_R2 0x100000 /* Enable access to DSP R2 resources. */ +#define MIPS_HFLAG_DSP_R3 0x20000000 /* Enable access to DSP R3 resources. */ /* Extra flag about HWREna register. */ #define MIPS_HFLAG_HWRENA_ULR 0x200000 /* ULR bit from HWREna is set. */ #define MIPS_HFLAG_SBRI 0x400000 /* R6 SDBBP causes RI excpt. in user mode */ @@ -614,7 +849,7 @@ struct CPUMIPSState { int CCRes; /* Cycle count resolution/divisor */ uint32_t CP0_Status_rw_bitmask; /* Read/write bits in CP0_Status */ uint32_t CP0_TCStatus_rw_bitmask; /* Read/write bits in CP0_TCStatus */ - int insn_flags; /* Supported instruction set */ + uint64_t insn_flags; /* Supported instruction set */ /* Fields up to this point are cleared by a CPU reset */ struct {} end_reset_fields; diff --git a/target/mips/helper.c b/target/mips/helper.c index f0c268b83c..8988452dbd 100644 --- a/target/mips/helper.c +++ b/target/mips/helper.c @@ -537,6 +537,342 @@ hwaddr mips_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) } #endif +#if !defined(CONFIG_USER_ONLY) +#if !defined(TARGET_MIPS64) + +/* + * Perform hardware page table walk + * + * Memory accesses are performed using the KERNEL privilege level. + * Synchronous exceptions detected on memory accesses cause a silent exit + * from page table walking, resulting in a TLB or XTLB Refill exception. + * + * Implementations are not required to support page table walk memory + * accesses from mapped memory regions. When an unsupported access is + * attempted, a silent exit is taken, resulting in a TLB or XTLB Refill + * exception. + * + * Note that if an exception is caused by AddressTranslation or LoadMemory + * functions, the exception is not taken, a silent exit is taken, + * resulting in a TLB or XTLB Refill exception. + */ + +static bool get_pte(CPUMIPSState *env, uint64_t vaddr, int entry_size, + uint64_t *pte) +{ + if ((vaddr & ((entry_size >> 3) - 1)) != 0) { + return false; + } + if (entry_size == 64) { + *pte = cpu_ldq_code(env, vaddr); + } else { + *pte = cpu_ldl_code(env, vaddr); + } + return true; +} + +static uint64_t get_tlb_entry_layout(CPUMIPSState *env, uint64_t entry, + int entry_size, int ptei) +{ + uint64_t result = entry; + uint64_t rixi; + if (ptei > entry_size) { + ptei -= 32; + } + result >>= (ptei - 2); + rixi = result & 3; + result >>= 2; + result |= rixi << CP0EnLo_XI; + return result; +} + +static int walk_directory(CPUMIPSState *env, uint64_t *vaddr, + int directory_index, bool *huge_page, bool *hgpg_directory_hit, + uint64_t *pw_entrylo0, uint64_t *pw_entrylo1) +{ + int dph = (env->CP0_PWCtl >> CP0PC_DPH) & 0x1; + int psn = (env->CP0_PWCtl >> CP0PC_PSN) & 0x3F; + int hugepg = (env->CP0_PWCtl >> CP0PC_HUGEPG) & 0x1; + int pf_ptew = (env->CP0_PWField >> CP0PF_PTEW) & 0x3F; + int ptew = (env->CP0_PWSize >> CP0PS_PTEW) & 0x3F; + int native_shift = (((env->CP0_PWSize >> CP0PS_PS) & 1) == 0) ? 2 : 3; + int directory_shift = (ptew > 1) ? -1 : + (hugepg && (ptew == 1)) ? native_shift + 1 : native_shift; + int leaf_shift = (ptew > 1) ? -1 : + (ptew == 1) ? native_shift + 1 : native_shift; + uint32_t direntry_size = 1 << (directory_shift + 3); + uint32_t leafentry_size = 1 << (leaf_shift + 3); + uint64_t entry; + uint64_t paddr; + int prot; + uint64_t lsb = 0; + uint64_t w = 0; + + if (get_physical_address(env, &paddr, &prot, *vaddr, MMU_DATA_LOAD, + ACCESS_INT, cpu_mmu_index(env, false)) != + TLBRET_MATCH) { + /* wrong base address */ + return 0; + } + if (!get_pte(env, *vaddr, direntry_size, &entry)) { + return 0; + } + + if ((entry & (1 << psn)) && hugepg) { + *huge_page = true; + *hgpg_directory_hit = true; + entry = get_tlb_entry_layout(env, entry, leafentry_size, pf_ptew); + w = directory_index - 1; + if (directory_index & 0x1) { + /* Generate adjacent page from same PTE for odd TLB page */ + lsb = (1 << w) >> 6; + *pw_entrylo0 = entry & ~lsb; /* even page */ + *pw_entrylo1 = entry | lsb; /* odd page */ + } else if (dph) { + int oddpagebit = 1 << leaf_shift; + uint64_t vaddr2 = *vaddr ^ oddpagebit; + if (*vaddr & oddpagebit) { + *pw_entrylo1 = entry; + } else { + *pw_entrylo0 = entry; + } + if (get_physical_address(env, &paddr, &prot, vaddr2, MMU_DATA_LOAD, + ACCESS_INT, cpu_mmu_index(env, false)) != + TLBRET_MATCH) { + return 0; + } + if (!get_pte(env, vaddr2, leafentry_size, &entry)) { + return 0; + } + entry = get_tlb_entry_layout(env, entry, leafentry_size, pf_ptew); + if (*vaddr & oddpagebit) { + *pw_entrylo0 = entry; + } else { + *pw_entrylo1 = entry; + } + } else { + return 0; + } + return 1; + } else { + *vaddr = entry; + return 2; + } +} + +static bool page_table_walk_refill(CPUMIPSState *env, vaddr address, int rw, + int mmu_idx) +{ + int gdw = (env->CP0_PWSize >> CP0PS_GDW) & 0x3F; + int udw = (env->CP0_PWSize >> CP0PS_UDW) & 0x3F; + int mdw = (env->CP0_PWSize >> CP0PS_MDW) & 0x3F; + int ptw = (env->CP0_PWSize >> CP0PS_PTW) & 0x3F; + int ptew = (env->CP0_PWSize >> CP0PS_PTEW) & 0x3F; + + /* Initial values */ + bool huge_page = false; + bool hgpg_bdhit = false; + bool hgpg_gdhit = false; + bool hgpg_udhit = false; + bool hgpg_mdhit = false; + + int32_t pw_pagemask = 0; + target_ulong pw_entryhi = 0; + uint64_t pw_entrylo0 = 0; + uint64_t pw_entrylo1 = 0; + + /* Native pointer size */ + /*For the 32-bit architectures, this bit is fixed to 0.*/ + int native_shift = (((env->CP0_PWSize >> CP0PS_PS) & 1) == 0) ? 2 : 3; + + /* Indices from PWField */ + int pf_gdw = (env->CP0_PWField >> CP0PF_GDW) & 0x3F; + int pf_udw = (env->CP0_PWField >> CP0PF_UDW) & 0x3F; + int pf_mdw = (env->CP0_PWField >> CP0PF_MDW) & 0x3F; + int pf_ptw = (env->CP0_PWField >> CP0PF_PTW) & 0x3F; + int pf_ptew = (env->CP0_PWField >> CP0PF_PTEW) & 0x3F; + + /* Indices computed from faulting address */ + int gindex = (address >> pf_gdw) & ((1 << gdw) - 1); + int uindex = (address >> pf_udw) & ((1 << udw) - 1); + int mindex = (address >> pf_mdw) & ((1 << mdw) - 1); + int ptindex = (address >> pf_ptw) & ((1 << ptw) - 1); + + /* Other HTW configs */ + int hugepg = (env->CP0_PWCtl >> CP0PC_HUGEPG) & 0x1; + + /* HTW Shift values (depend on entry size) */ + int directory_shift = (ptew > 1) ? -1 : + (hugepg && (ptew == 1)) ? native_shift + 1 : native_shift; + int leaf_shift = (ptew > 1) ? -1 : + (ptew == 1) ? native_shift + 1 : native_shift; + + /* Offsets into tables */ + int goffset = gindex << directory_shift; + int uoffset = uindex << directory_shift; + int moffset = mindex << directory_shift; + int ptoffset0 = (ptindex >> 1) << (leaf_shift + 1); + int ptoffset1 = ptoffset0 | (1 << (leaf_shift)); + + uint32_t leafentry_size = 1 << (leaf_shift + 3); + + /* Starting address - Page Table Base */ + uint64_t vaddr = env->CP0_PWBase; + + uint64_t dir_entry; + uint64_t paddr; + int prot; + int m; + + if (!(env->CP0_Config3 & (1 << CP0C3_PW))) { + /* walker is unimplemented */ + return false; + } + if (!(env->CP0_PWCtl & (1 << CP0PC_PWEN))) { + /* walker is disabled */ + return false; + } + if (!(gdw > 0 || udw > 0 || mdw > 0)) { + /* no structure to walk */ + return false; + } + if ((directory_shift == -1) || (leaf_shift == -1)) { + return false; + } + + /* Global Directory */ + if (gdw > 0) { + vaddr |= goffset; + switch (walk_directory(env, &vaddr, pf_gdw, &huge_page, &hgpg_gdhit, + &pw_entrylo0, &pw_entrylo1)) + { + case 0: + return false; + case 1: + goto refill; + case 2: + default: + break; + } + } + + /* Upper directory */ + if (udw > 0) { + vaddr |= uoffset; + switch (walk_directory(env, &vaddr, pf_udw, &huge_page, &hgpg_udhit, + &pw_entrylo0, &pw_entrylo1)) + { + case 0: + return false; + case 1: + goto refill; + case 2: + default: + break; + } + } + + /* Middle directory */ + if (mdw > 0) { + vaddr |= moffset; + switch (walk_directory(env, &vaddr, pf_mdw, &huge_page, &hgpg_mdhit, + &pw_entrylo0, &pw_entrylo1)) + { + case 0: + return false; + case 1: + goto refill; + case 2: + default: + break; + } + } + + /* Leaf Level Page Table - First half of PTE pair */ + vaddr |= ptoffset0; + if (get_physical_address(env, &paddr, &prot, vaddr, MMU_DATA_LOAD, + ACCESS_INT, cpu_mmu_index(env, false)) != + TLBRET_MATCH) { + return false; + } + if (!get_pte(env, vaddr, leafentry_size, &dir_entry)) { + return false; + } + dir_entry = get_tlb_entry_layout(env, dir_entry, leafentry_size, pf_ptew); + pw_entrylo0 = dir_entry; + + /* Leaf Level Page Table - Second half of PTE pair */ + vaddr |= ptoffset1; + if (get_physical_address(env, &paddr, &prot, vaddr, MMU_DATA_LOAD, + ACCESS_INT, cpu_mmu_index(env, false)) != + TLBRET_MATCH) { + return false; + } + if (!get_pte(env, vaddr, leafentry_size, &dir_entry)) { + return false; + } + dir_entry = get_tlb_entry_layout(env, dir_entry, leafentry_size, pf_ptew); + pw_entrylo1 = dir_entry; + +refill: + + m = (1 << pf_ptw) - 1; + + if (huge_page) { + switch (hgpg_bdhit << 3 | hgpg_gdhit << 2 | hgpg_udhit << 1 | + hgpg_mdhit) + { + case 4: + m = (1 << pf_gdw) - 1; + if (pf_gdw & 1) { + m >>= 1; + } + break; + case 2: + m = (1 << pf_udw) - 1; + if (pf_udw & 1) { + m >>= 1; + } + break; + case 1: + m = (1 << pf_mdw) - 1; + if (pf_mdw & 1) { + m >>= 1; + } + break; + } + } + pw_pagemask = m >> 12; + update_pagemask(env, pw_pagemask << 13, &pw_pagemask); + pw_entryhi = (address & ~0x1fff) | (env->CP0_EntryHi & 0xFF); + { + target_ulong tmp_entryhi = env->CP0_EntryHi; + int32_t tmp_pagemask = env->CP0_PageMask; + uint64_t tmp_entrylo0 = env->CP0_EntryLo0; + uint64_t tmp_entrylo1 = env->CP0_EntryLo1; + + env->CP0_EntryHi = pw_entryhi; + env->CP0_PageMask = pw_pagemask; + env->CP0_EntryLo0 = pw_entrylo0; + env->CP0_EntryLo1 = pw_entrylo1; + + /* + * The hardware page walker inserts a page into the TLB in a manner + * identical to a TLBWR instruction as executed by the software refill + * handler. + */ + r4k_helper_tlbwr(env); + + env->CP0_EntryHi = tmp_entryhi; + env->CP0_PageMask = tmp_pagemask; + env->CP0_EntryLo0 = tmp_entrylo0; + env->CP0_EntryLo1 = tmp_entrylo1; + } + return true; +} +#endif +#endif + int mips_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw, int mmu_idx) { @@ -558,8 +894,7 @@ int mips_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw, /* data access */ #if !defined(CONFIG_USER_ONLY) - /* XXX: put correct access by using cpu_restore_state() - correctly */ + /* XXX: put correct access by using cpu_restore_state() correctly */ access_type = ACCESS_INT; ret = get_physical_address(env, &physical, &prot, address, rw, access_type, mmu_idx); @@ -583,6 +918,32 @@ int mips_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw, } else if (ret < 0) #endif { +#if !defined(CONFIG_USER_ONLY) +#if !defined(TARGET_MIPS64) + if ((ret == TLBRET_NOMATCH) && (env->tlb->nb_tlb > 1)) { + /* + * Memory reads during hardware page table walking are performed + * as if they were kernel-mode load instructions. + */ + int mode = (env->hflags & MIPS_HFLAG_KSU); + bool ret_walker; + env->hflags &= ~MIPS_HFLAG_KSU; + ret_walker = page_table_walk_refill(env, address, rw, mmu_idx); + env->hflags |= mode; + if (ret_walker) { + ret = get_physical_address(env, &physical, &prot, + address, rw, access_type, mmu_idx); + if (ret == TLBRET_MATCH) { + tlb_set_page(cs, address & TARGET_PAGE_MASK, + physical & TARGET_PAGE_MASK, prot | PAGE_EXEC, + mmu_idx, TARGET_PAGE_SIZE); + ret = 0; + return ret; + } + } + } +#endif +#endif raise_mmu_exception(env, address, rw, ret); ret = 1; } diff --git a/target/mips/helper.h b/target/mips/helper.h index b2a780a6f2..c23e4e5d97 100644 --- a/target/mips/helper.h +++ b/target/mips/helper.h @@ -120,6 +120,8 @@ DEF_HELPER_2(mtc0_pagegrain, void, env, tl) DEF_HELPER_2(mtc0_segctl0, void, env, tl) DEF_HELPER_2(mtc0_segctl1, void, env, tl) DEF_HELPER_2(mtc0_segctl2, void, env, tl) +DEF_HELPER_2(mtc0_pwfield, void, env, tl) +DEF_HELPER_2(mtc0_pwsize, void, env, tl) DEF_HELPER_2(mtc0_wired, void, env, tl) DEF_HELPER_2(mtc0_srsconf0, void, env, tl) DEF_HELPER_2(mtc0_srsconf1, void, env, tl) @@ -127,6 +129,7 @@ DEF_HELPER_2(mtc0_srsconf2, void, env, tl) DEF_HELPER_2(mtc0_srsconf3, void, env, tl) DEF_HELPER_2(mtc0_srsconf4, void, env, tl) DEF_HELPER_2(mtc0_hwrena, void, env, tl) +DEF_HELPER_2(mtc0_pwctl, void, env, tl) DEF_HELPER_2(mtc0_count, void, env, tl) DEF_HELPER_2(mtc0_entryhi, void, env, tl) DEF_HELPER_2(mttc0_entryhi, void, env, tl) diff --git a/target/mips/internal.h b/target/mips/internal.h index e41051f8e6..8b1b2456af 100644 --- a/target/mips/internal.h +++ b/target/mips/internal.h @@ -59,7 +59,7 @@ struct mips_def_t { int32_t CP0_PageGrain_rw_bitmask; int32_t CP0_PageGrain; target_ulong CP0_EBaseWG_rw_bitmask; - int insn_flags; + uint64_t insn_flags; enum mips_mmu_types mmu_type; }; @@ -211,6 +211,7 @@ uint64_t float_class_d(uint64_t arg, float_status *fst); extern unsigned int ieee_rm[]; int ieee_ex_to_mips(int xcpt); +void update_pagemask(CPUMIPSState *env, target_ulong arg1, int32_t *pagemask); static inline void restore_rounding_mode(CPUMIPSState *env) { @@ -306,9 +307,9 @@ static inline void compute_hflags(CPUMIPSState *env) { env->hflags &= ~(MIPS_HFLAG_COP1X | MIPS_HFLAG_64 | MIPS_HFLAG_CP0 | MIPS_HFLAG_F64 | MIPS_HFLAG_FPU | MIPS_HFLAG_KSU | - MIPS_HFLAG_AWRAP | MIPS_HFLAG_DSP | MIPS_HFLAG_DSPR2 | - MIPS_HFLAG_SBRI | MIPS_HFLAG_MSA | MIPS_HFLAG_FRE | - MIPS_HFLAG_ELPA | MIPS_HFLAG_ERL); + MIPS_HFLAG_AWRAP | MIPS_HFLAG_DSP | MIPS_HFLAG_DSP_R2 | + MIPS_HFLAG_DSP_R3 | MIPS_HFLAG_SBRI | MIPS_HFLAG_MSA | + MIPS_HFLAG_FRE | MIPS_HFLAG_ELPA | MIPS_HFLAG_ERL); if (env->CP0_Status & (1 << CP0St_ERL)) { env->hflags |= MIPS_HFLAG_ERL; } @@ -355,16 +356,29 @@ static inline void compute_hflags(CPUMIPSState *env) (env->CP0_Config5 & (1 << CP0C5_SBRI))) { env->hflags |= MIPS_HFLAG_SBRI; } - if (env->insn_flags & ASE_DSPR2) { - /* Enables access MIPS DSP resources, now our cpu is DSP ASER2, - so enable to access DSPR2 resources. */ + if (env->insn_flags & ASE_DSP_R3) { + /* + * Our cpu supports DSP R3 ASE, so enable + * access to DSP R3 resources. + */ if (env->CP0_Status & (1 << CP0St_MX)) { - env->hflags |= MIPS_HFLAG_DSP | MIPS_HFLAG_DSPR2; + env->hflags |= MIPS_HFLAG_DSP | MIPS_HFLAG_DSP_R2 | + MIPS_HFLAG_DSP_R3; + } + } else if (env->insn_flags & ASE_DSP_R2) { + /* + * Our cpu supports DSP R2 ASE, so enable + * access to DSP R2 resources. + */ + if (env->CP0_Status & (1 << CP0St_MX)) { + env->hflags |= MIPS_HFLAG_DSP | MIPS_HFLAG_DSP_R2; } } else if (env->insn_flags & ASE_DSP) { - /* Enables access MIPS DSP resources, now our cpu is DSP ASE, - so enable to access DSP resources. */ + /* + * Our cpu supports DSP ASE, so enable + * access to DSP resources. + */ if (env->CP0_Status & (1 << CP0St_MX)) { env->hflags |= MIPS_HFLAG_DSP; } diff --git a/target/mips/machine.c b/target/mips/machine.c index 5ba78acd6d..70a8909b90 100644 --- a/target/mips/machine.c +++ b/target/mips/machine.c @@ -212,8 +212,8 @@ const VMStateDescription vmstate_tlb = { const VMStateDescription vmstate_mips_cpu = { .name = "cpu", - .version_id = 11, - .minimum_version_id = 11, + .version_id = 15, + .minimum_version_id = 15, .post_load = cpu_post_load, .fields = (VMStateField[]) { /* Active TC */ @@ -256,7 +256,11 @@ const VMStateDescription vmstate_mips_cpu = { VMSTATE_UINTTL(env.CP0_SegCtl0, MIPSCPU), VMSTATE_UINTTL(env.CP0_SegCtl1, MIPSCPU), VMSTATE_UINTTL(env.CP0_SegCtl2, MIPSCPU), + VMSTATE_UINTTL(env.CP0_PWBase, MIPSCPU), + VMSTATE_UINTTL(env.CP0_PWField, MIPSCPU), + VMSTATE_UINTTL(env.CP0_PWSize, MIPSCPU), VMSTATE_INT32(env.CP0_Wired, MIPSCPU), + VMSTATE_INT32(env.CP0_PWCtl, MIPSCPU), VMSTATE_INT32(env.CP0_SRSConf0, MIPSCPU), VMSTATE_INT32(env.CP0_SRSConf1, MIPSCPU), VMSTATE_INT32(env.CP0_SRSConf2, MIPSCPU), diff --git a/target/mips/mips-defs.h b/target/mips/mips-defs.h index c8e99791ad..5177618615 100644 --- a/target/mips/mips-defs.h +++ b/target/mips/mips-defs.h @@ -22,40 +22,53 @@ #endif #endif -/* Masks used to mark instructions to indicate which ISA level they - were introduced in. */ -#define ISA_MIPS1 0x00000001 -#define ISA_MIPS2 0x00000002 -#define ISA_MIPS3 0x00000004 -#define ISA_MIPS4 0x00000008 -#define ISA_MIPS5 0x00000010 -#define ISA_MIPS32 0x00000020 -#define ISA_MIPS32R2 0x00000040 -#define ISA_MIPS64 0x00000080 -#define ISA_MIPS64R2 0x00000100 -#define ISA_MIPS32R3 0x00000200 -#define ISA_MIPS64R3 0x00000400 -#define ISA_MIPS32R5 0x00000800 -#define ISA_MIPS64R5 0x00001000 -#define ISA_MIPS32R6 0x00002000 -#define ISA_MIPS64R6 0x00004000 -#define ISA_NANOMIPS32 0x00008000 - -/* MIPS ASEs. */ -#define ASE_MIPS16 0x00010000 -#define ASE_MIPS3D 0x00020000 -#define ASE_MDMX 0x00040000 -#define ASE_DSP 0x00080000 -#define ASE_DSPR2 0x00100000 -#define ASE_MT 0x00200000 -#define ASE_SMARTMIPS 0x00400000 -#define ASE_MICROMIPS 0x00800000 -#define ASE_MSA 0x01000000 - -/* Chip specific instructions. */ -#define INSN_LOONGSON2E 0x20000000 -#define INSN_LOONGSON2F 0x40000000 -#define INSN_VR54XX 0x80000000 +/* + * bit definitions for insn_flags (ISAs/ASEs flags) + * ------------------------------------------------ + */ +/* + * bits 0-31: MIPS base instruction sets + */ +#define ISA_MIPS1 0x0000000000000001ULL +#define ISA_MIPS2 0x0000000000000002ULL +#define ISA_MIPS3 0x0000000000000004ULL +#define ISA_MIPS4 0x0000000000000008ULL +#define ISA_MIPS5 0x0000000000000010ULL +#define ISA_MIPS32 0x0000000000000020ULL +#define ISA_MIPS32R2 0x0000000000000040ULL +#define ISA_MIPS64 0x0000000000000080ULL +#define ISA_MIPS64R2 0x0000000000000100ULL +#define ISA_MIPS32R3 0x0000000000000200ULL +#define ISA_MIPS64R3 0x0000000000000400ULL +#define ISA_MIPS32R5 0x0000000000000800ULL +#define ISA_MIPS64R5 0x0000000000001000ULL +#define ISA_MIPS32R6 0x0000000000002000ULL +#define ISA_MIPS64R6 0x0000000000004000ULL +#define ISA_NANOMIPS32 0x0000000000008000ULL +/* + * bits 32-47: MIPS ASEs + */ +#define ASE_MIPS16 0x0000000100000000ULL +#define ASE_MIPS3D 0x0000000200000000ULL +#define ASE_MDMX 0x0000000400000000ULL +#define ASE_DSP 0x0000000800000000ULL +#define ASE_DSP_R2 0x0000001000000000ULL +#define ASE_DSP_R3 0x0000002000000000ULL +#define ASE_MT 0x0000004000000000ULL +#define ASE_SMARTMIPS 0x0000008000000000ULL +#define ASE_MICROMIPS 0x0000010000000000ULL +#define ASE_MSA 0x0000020000000000ULL +/* + * bits 48-55: vendor-specific base instruction sets + */ +#define INSN_LOONGSON2E 0x0001000000000000ULL +#define INSN_LOONGSON2F 0x0002000000000000ULL +#define INSN_VR54XX 0x0004000000000000ULL +#define INSN_R5900 0x0008000000000000ULL +/* + * bits 56-63: vendor-specific ASEs + */ +#define ASE_MMI 0x0100000000000000ULL /* MIPS CPU defines. */ #define CPU_MIPS1 (ISA_MIPS1) @@ -63,6 +76,7 @@ #define CPU_MIPS3 (CPU_MIPS2 | ISA_MIPS3) #define CPU_MIPS4 (CPU_MIPS3 | ISA_MIPS4) #define CPU_VR54XX (CPU_MIPS4 | INSN_VR54XX) +#define CPU_R5900 (CPU_MIPS3 | INSN_R5900) #define CPU_LOONGSON2E (CPU_MIPS3 | INSN_LOONGSON2E) #define CPU_LOONGSON2F (CPU_MIPS3 | INSN_LOONGSON2F) diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c index c148b310cd..d1f1d1aa35 100644 --- a/target/mips/op_helper.c +++ b/target/mips/op_helper.c @@ -1400,7 +1400,7 @@ void helper_mtc0_context(CPUMIPSState *env, target_ulong arg1) env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (arg1 & ~0x007FFFFF); } -void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1) +void update_pagemask(CPUMIPSState *env, target_ulong arg1, int32_t *pagemask) { uint64_t mask = arg1 >> (TARGET_PAGE_BITS + 1); if (!(env->insn_flags & ISA_MIPS32R6) || (arg1 == ~0) || @@ -1411,6 +1411,11 @@ void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1) } } +void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1) +{ + update_pagemask(env, arg1, &env->CP0_PageMask); +} + void helper_mtc0_pagegrain(CPUMIPSState *env, target_ulong arg1) { /* SmartMIPS not implemented */ @@ -1445,6 +1450,77 @@ void helper_mtc0_segctl2(CPUMIPSState *env, target_ulong arg1) tlb_flush(cs); } +void helper_mtc0_pwfield(CPUMIPSState *env, target_ulong arg1) +{ +#if defined(TARGET_MIPS64) + uint64_t mask = 0x3F3FFFFFFFULL; + uint32_t old_ptei = (env->CP0_PWField >> CP0PF_PTEI) & 0x3FULL; + uint32_t new_ptei = (arg1 >> CP0PF_PTEI) & 0x3FULL; + + if ((env->insn_flags & ISA_MIPS32R6)) { + if (((arg1 >> CP0PF_BDI) & 0x3FULL) < 12) { + mask &= ~(0x3FULL << CP0PF_BDI); + } + if (((arg1 >> CP0PF_GDI) & 0x3FULL) < 12) { + mask &= ~(0x3FULL << CP0PF_GDI); + } + if (((arg1 >> CP0PF_UDI) & 0x3FULL) < 12) { + mask &= ~(0x3FULL << CP0PF_UDI); + } + if (((arg1 >> CP0PF_MDI) & 0x3FULL) < 12) { + mask &= ~(0x3FULL << CP0PF_MDI); + } + if (((arg1 >> CP0PF_PTI) & 0x3FULL) < 12) { + mask &= ~(0x3FULL << CP0PF_PTI); + } + } + env->CP0_PWField = arg1 & mask; + + if ((new_ptei >= 32) || + ((env->insn_flags & ISA_MIPS32R6) && + (new_ptei == 0 || new_ptei == 1))) { + env->CP0_PWField = (env->CP0_PWField & ~0x3FULL) | + (old_ptei << CP0PF_PTEI); + } +#else + uint32_t mask = 0x3FFFFFFF; + uint32_t old_ptew = (env->CP0_PWField >> CP0PF_PTEW) & 0x3F; + uint32_t new_ptew = (arg1 >> CP0PF_PTEW) & 0x3F; + + if ((env->insn_flags & ISA_MIPS32R6)) { + if (((arg1 >> CP0PF_GDW) & 0x3F) < 12) { + mask &= ~(0x3F << CP0PF_GDW); + } + if (((arg1 >> CP0PF_UDW) & 0x3F) < 12) { + mask &= ~(0x3F << CP0PF_UDW); + } + if (((arg1 >> CP0PF_MDW) & 0x3F) < 12) { + mask &= ~(0x3F << CP0PF_MDW); + } + if (((arg1 >> CP0PF_PTW) & 0x3F) < 12) { + mask &= ~(0x3F << CP0PF_PTW); + } + } + env->CP0_PWField = arg1 & mask; + + if ((new_ptew >= 32) || + ((env->insn_flags & ISA_MIPS32R6) && + (new_ptew == 0 || new_ptew == 1))) { + env->CP0_PWField = (env->CP0_PWField & ~0x3F) | + (old_ptew << CP0PF_PTEW); + } +#endif +} + +void helper_mtc0_pwsize(CPUMIPSState *env, target_ulong arg1) +{ +#if defined(TARGET_MIPS64) + env->CP0_PWSize = arg1 & 0x3F7FFFFFFFULL; +#else + env->CP0_PWSize = arg1 & 0x3FFFFFFF; +#endif +} + void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1) { if (env->insn_flags & ISA_MIPS32R6) { @@ -1456,6 +1532,16 @@ void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1) } } +void helper_mtc0_pwctl(CPUMIPSState *env, target_ulong arg1) +{ +#if defined(TARGET_MIPS64) + /* PWEn = 0. Hardware page table walking is not implemented. */ + env->CP0_PWCtl = (env->CP0_PWCtl & 0x000000C0) | (arg1 & 0x5C00003F); +#else + env->CP0_PWCtl = (arg1 & 0x800000FF); +#endif +} + void helper_mtc0_srsconf0(CPUMIPSState *env, target_ulong arg1) { env->CP0_SRSConf0 |= arg1 & env->CP0_SRSConf0_rw_bitmask; diff --git a/target/mips/translate.c b/target/mips/translate.c index ab16cdb911..c44a751be9 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -1,5 +1,5 @@ /* - * MIPS32 emulation for qemu: main translation routines. + * MIPS emulation for QEMU - main translation routines * * Copyright (c) 2004-2005 Jocelyn Mayer * Copyright (c) 2006 Marius Groeger (FPU operations) @@ -463,8 +463,10 @@ enum { OPC_WSBH = (0x02 << 6) | OPC_BSHFL, OPC_SEB = (0x10 << 6) | OPC_BSHFL, OPC_SEH = (0x18 << 6) | OPC_BSHFL, - OPC_ALIGN = (0x08 << 6) | OPC_BSHFL, /* 010.bp */ - OPC_ALIGN_END = (0x0B << 6) | OPC_BSHFL, /* 010.00 to 010.11 */ + OPC_ALIGN = (0x08 << 6) | OPC_BSHFL, /* 010.bp (010.00 to 010.11) */ + OPC_ALIGN_1 = (0x09 << 6) | OPC_BSHFL, + OPC_ALIGN_2 = (0x0A << 6) | OPC_BSHFL, + OPC_ALIGN_3 = (0x0B << 6) | OPC_BSHFL, OPC_BITSWAP = (0x00 << 6) | OPC_BSHFL /* 00000 */ }; @@ -474,8 +476,14 @@ enum { enum { OPC_DSBH = (0x02 << 6) | OPC_DBSHFL, OPC_DSHD = (0x05 << 6) | OPC_DBSHFL, - OPC_DALIGN = (0x08 << 6) | OPC_DBSHFL, /* 01.bp */ - OPC_DALIGN_END = (0x0F << 6) | OPC_DBSHFL, /* 01.000 to 01.111 */ + OPC_DALIGN = (0x08 << 6) | OPC_DBSHFL, /* 01.bp (01.000 to 01.111) */ + OPC_DALIGN_1 = (0x09 << 6) | OPC_DBSHFL, + OPC_DALIGN_2 = (0x0A << 6) | OPC_DBSHFL, + OPC_DALIGN_3 = (0x0B << 6) | OPC_DBSHFL, + OPC_DALIGN_4 = (0x0C << 6) | OPC_DBSHFL, + OPC_DALIGN_5 = (0x0D << 6) | OPC_DBSHFL, + OPC_DALIGN_6 = (0x0E << 6) | OPC_DBSHFL, + OPC_DALIGN_7 = (0x0F << 6) | OPC_DBSHFL, OPC_DBITSWAP = (0x00 << 6) | OPC_DBSHFL, /* 00000 */ }; @@ -1389,6 +1397,979 @@ enum { OPC_BINSRI_df = (0x7 << 23) | OPC_MSA_BIT_09, }; + +/* + * AN OVERVIEW OF MXU EXTENSION INSTRUCTION SET + * ============================================ + * + * MXU (full name: MIPS eXtension/enhanced Unit) is an SIMD extension of MIPS32 + * instructions set. It is designed to fit the needs of signal, graphical and + * video processing applications. MXU instruction set is used in Xburst family + * of microprocessors by Ingenic. + * + * MXU unit contains 17 registers called X0-X16. X0 is always zero, and X16 is + * the control register. + * + * The notation used in MXU assembler mnemonics: + * + * XRa, XRb, XRc, XRd - MXU registers + * Rb, Rc, Rd, Rs, Rt - general purpose MIPS registers + * s12 - a subfield of an instruction code + * strd2 - a subfield of an instruction code + * eptn2 - a subfield of an instruction code + * eptn3 - a subfield of an instruction code + * optn2 - a subfield of an instruction code + * optn3 - a subfield of an instruction code + * sft4 - a subfield of an instruction code + * + * Load/Store instructions Multiplication instructions + * ----------------------- --------------------------- + * + * S32LDD XRa, Rb, s12 S32MADD XRa, XRd, Rs, Rt + * S32STD XRa, Rb, s12 S32MADDU XRa, XRd, Rs, Rt + * S32LDDV XRa, Rb, rc, strd2 S32SUB XRa, XRd, Rs, Rt + * S32STDV XRa, Rb, rc, strd2 S32SUBU XRa, XRd, Rs, Rt + * S32LDI XRa, Rb, s12 S32MUL XRa, XRd, Rs, Rt + * S32SDI XRa, Rb, s12 S32MULU XRa, XRd, Rs, Rt + * S32LDIV XRa, Rb, rc, strd2 D16MUL XRa, XRb, XRc, XRd, optn2 + * S32SDIV XRa, Rb, rc, strd2 D16MULE XRa, XRb, XRc, optn2 + * S32LDDR XRa, Rb, s12 D16MULF XRa, XRb, XRc, optn2 + * S32STDR XRa, Rb, s12 D16MAC XRa, XRb, XRc, XRd, aptn2, optn2 + * S32LDDVR XRa, Rb, rc, strd2 D16MACE XRa, XRb, XRc, XRd, aptn2, optn2 + * S32STDVR XRa, Rb, rc, strd2 D16MACF XRa, XRb, XRc, XRd, aptn2, optn2 + * S32LDIR XRa, Rb, s12 D16MADL XRa, XRb, XRc, XRd, aptn2, optn2 + * S32SDIR XRa, Rb, s12 S16MAD XRa, XRb, XRc, XRd, aptn1, optn2 + * S32LDIVR XRa, Rb, rc, strd2 Q8MUL XRa, XRb, XRc, XRd + * S32SDIVR XRa, Rb, rc, strd2 Q8MULSU XRa, XRb, XRc, XRd + * S16LDD XRa, Rb, s10, eptn2 Q8MAC XRa, XRb, XRc, XRd, aptn2 + * S16STD XRa, Rb, s10, eptn2 Q8MACSU XRa, XRb, XRc, XRd, aptn2 + * S16LDI XRa, Rb, s10, eptn2 Q8MADL XRa, XRb, XRc, XRd, aptn2 + * S16SDI XRa, Rb, s10, eptn2 + * S8LDD XRa, Rb, s8, eptn3 + * S8STD XRa, Rb, s8, eptn3 Addition and subtraction instructions + * S8LDI XRa, Rb, s8, eptn3 ------------------------------------- + * S8SDI XRa, Rb, s8, eptn3 + * LXW Rd, Rs, Rt, strd2 D32ADD XRa, XRb, XRc, XRd, eptn2 + * LXH Rd, Rs, Rt, strd2 D32ADDC XRa, XRb, XRc, XRd + * LXHU Rd, Rs, Rt, strd2 D32ACC XRa, XRb, XRc, XRd, eptn2 + * LXB Rd, Rs, Rt, strd2 D32ACCM XRa, XRb, XRc, XRd, eptn2 + * LXBU Rd, Rs, Rt, strd2 D32ASUM XRa, XRb, XRc, XRd, eptn2 + * S32CPS XRa, XRb, XRc + * Q16ADD XRa, XRb, XRc, XRd, eptn2, optn2 + * Comparison instructions Q16ACC XRa, XRb, XRc, XRd, eptn2 + * ----------------------- Q16ACCM XRa, XRb, XRc, XRd, eptn2 + * D16ASUM XRa, XRb, XRc, XRd, eptn2 + * S32MAX XRa, XRb, XRc D16CPS XRa, XRb, + * S32MIN XRa, XRb, XRc D16AVG XRa, XRb, XRc + * S32SLT XRa, XRb, XRc D16AVGR XRa, XRb, XRc + * S32MOVZ XRa, XRb, XRc Q8ADD XRa, XRb, XRc, eptn2 + * S32MOVN XRa, XRb, XRc Q8ADDE XRa, XRb, XRc, XRd, eptn2 + * D16MAX XRa, XRb, XRc Q8ACCE XRa, XRb, XRc, XRd, eptn2 + * D16MIN XRa, XRb, XRc Q8ABD XRa, XRb, XRc + * D16SLT XRa, XRb, XRc Q8SAD XRa, XRb, XRc, XRd + * D16MOVZ XRa, XRb, XRc Q8AVG XRa, XRb, XRc + * D16MOVN XRa, XRb, XRc Q8AVGR XRa, XRb, XRc + * Q8MAX XRa, XRb, XRc D8SUM XRa, XRb, XRc, XRd + * Q8MIN XRa, XRb, XRc D8SUMC XRa, XRb, XRc, XRd + * Q8SLT XRa, XRb, XRc + * Q8SLTU XRa, XRb, XRc + * Q8MOVZ XRa, XRb, XRc Shift instructions + * Q8MOVN XRa, XRb, XRc ------------------ + * + * D32SLL XRa, XRb, XRc, XRd, sft4 + * Bitwise instructions D32SLR XRa, XRb, XRc, XRd, sft4 + * -------------------- D32SAR XRa, XRb, XRc, XRd, sft4 + * D32SARL XRa, XRb, XRc, sft4 + * S32NOR XRa, XRb, XRc D32SLLV XRa, XRb, Rb + * S32AND XRa, XRb, XRc D32SLRV XRa, XRb, Rb + * S32XOR XRa, XRb, XRc D32SARV XRa, XRb, Rb + * S32OR XRa, XRb, XRc D32SARW XRa, XRb, XRc, Rb + * Q16SLL XRa, XRb, XRc, XRd, sft4 + * Q16SLR XRa, XRb, XRc, XRd, sft4 + * Miscelaneous instructions Q16SAR XRa, XRb, XRc, XRd, sft4 + * ------------------------- Q16SLLV XRa, XRb, Rb + * Q16SLRV XRa, XRb, Rb + * S32SFL XRa, XRb, XRc, XRd, optn2 Q16SARV XRa, XRb, Rb + * S32ALN XRa, XRb, XRc, Rb + * S32ALNI XRa, XRb, XRc, s3 + * S32LUI XRa, s8, optn3 Move instructions + * S32EXTR XRa, XRb, Rb, bits5 ----------------- + * S32EXTRV XRa, XRb, Rs, Rt + * Q16SCOP XRa, XRb, XRc, XRd S32M2I XRa, Rb + * Q16SAT XRa, XRb, XRc S32I2M XRa, Rb + * + * + * bits + * 05..00 + * + * ┌─ 000000 ─ OPC_MXU_S32MADD + * ├─ 000001 ─ OPC_MXU_S32MADDU + * ├─ 000010 ─ <not assigned> + * │ 20..18 + * ├─ 000011 ─ OPC_MXU__POOL00 ─┬─ 000 ─ OPC_MXU_S32MAX + * │ ├─ 001 ─ OPC_MXU_S32MIN + * │ ├─ 010 ─ OPC_MXU_D16MAX + * │ ├─ 011 ─ OPC_MXU_D16MIN + * │ ├─ 100 ─ OPC_MXU_Q8MAX + * │ ├─ 101 ─ OPC_MXU_Q8MIN + * │ ├─ 110 ─ OPC_MXU_Q8SLT + * │ └─ 111 ─ OPC_MXU_Q8SLTU + * ├─ 000100 ─ OPC_MXU_S32MSUB + * ├─ 000101 ─ OPC_MXU_S32MSUBU 20..18 + * ├─ 000110 ─ OPC_MXU__POOL01 ─┬─ 000 ─ OPC_MXU_S32SLT + * │ ├─ 001 ─ OPC_MXU_D16SLT + * │ ├─ 010 ─ OPC_MXU_D16AVG + * │ ├─ 011 ─ OPC_MXU_D16AVGR + * │ ├─ 100 ─ OPC_MXU_Q8AVG + * │ ├─ 101 ─ OPC_MXU_Q8AVGR + * │ └─ 111 ─ OPC_MXU_Q8ADD + * │ + * │ 20..18 + * ├─ 000111 ─ OPC_MXU__POOL02 ─┬─ 000 ─ OPC_MXU_S32CPS + * │ ├─ 010 ─ OPC_MXU_D16CPS + * │ ├─ 100 ─ OPC_MXU_Q8ABD + * │ └─ 110 ─ OPC_MXU_Q16SAT + * ├─ 001000 ─ OPC_MXU_D16MUL + * │ 25..24 + * ├─ 001001 ─ OPC_MXU__POOL03 ─┬─ 00 ─ OPC_MXU_D16MULF + * │ └─ 01 ─ OPC_MXU_D16MULE + * ├─ 001010 ─ OPC_MXU_D16MAC + * ├─ 001011 ─ OPC_MXU_D16MACF + * ├─ 001100 ─ OPC_MXU_D16MADL + * │ 25..24 + * ├─ 001101 ─ OPC_MXU__POOL04 ─┬─ 00 ─ OPC_MXU_S16MAD + * │ └─ 01 ─ OPC_MXU_S16MAD_1 + * ├─ 001110 ─ OPC_MXU_Q16ADD + * ├─ 001111 ─ OPC_MXU_D16MACE + * │ 23 + * ├─ 010000 ─ OPC_MXU__POOL05 ─┬─ 0 ─ OPC_MXU_S32LDD + * │ └─ 1 ─ OPC_MXU_S32LDDR + * │ + * │ 23 + * ├─ 010001 ─ OPC_MXU__POOL06 ─┬─ 0 ─ OPC_MXU_S32STD + * │ └─ 1 ─ OPC_MXU_S32STDR + * │ + * │ 13..10 + * ├─ 010010 ─ OPC_MXU__POOL07 ─┬─ 0000 ─ OPC_MXU_S32LDDV + * │ └─ 0001 ─ OPC_MXU_S32LDDVR + * │ + * │ 13..10 + * ├─ 010011 ─ OPC_MXU__POOL08 ─┬─ 0000 ─ OPC_MXU_S32STDV + * │ └─ 0001 ─ OPC_MXU_S32STDVR + * │ + * │ 23 + * ├─ 010100 ─ OPC_MXU__POOL09 ─┬─ 0 ─ OPC_MXU_S32LDI + * │ └─ 1 ─ OPC_MXU_S32LDIR + * │ + * │ 23 + * ├─ 010101 ─ OPC_MXU__POOL10 ─┬─ 0 ─ OPC_MXU_S32SDI + * │ └─ 1 ─ OPC_MXU_S32SDIR + * │ + * │ 13..10 + * ├─ 010110 ─ OPC_MXU__POOL11 ─┬─ 0000 ─ OPC_MXU_S32LDIV + * │ └─ 0001 ─ OPC_MXU_S32LDIVR + * │ + * │ 13..10 + * ├─ 010111 ─ OPC_MXU__POOL12 ─┬─ 0000 ─ OPC_MXU_S32SDIV + * │ └─ 0001 ─ OPC_MXU_S32SDIVR + * ├─ 011000 ─ OPC_MXU_D32ADD + * │ 23..22 + * MXU ├─ 011001 ─ OPC_MXU__POOL13 ─┬─ 00 ─ OPC_MXU_D32ACC + * opcodes ─┤ ├─ 01 ─ OPC_MXU_D32ACCM + * │ └─ 10 ─ OPC_MXU_D32ASUM + * ├─ 011010 ─ <not assigned> + * │ 23..22 + * ├─ 011011 ─ OPC_MXU__POOL14 ─┬─ 00 ─ OPC_MXU_Q16ACC + * │ ├─ 01 ─ OPC_MXU_Q16ACCM + * │ └─ 10 ─ OPC_MXU_Q16ASUM + * │ + * │ 23..22 + * ├─ 011100 ─ OPC_MXU__POOL15 ─┬─ 00 ─ OPC_MXU_Q8ADDE + * │ ├─ 01 ─ OPC_MXU_D8SUM + * ├─ 011101 ─ OPC_MXU_Q8ACCE └─ 10 ─ OPC_MXU_D8SUMC + * ├─ 011110 ─ <not assigned> + * ├─ 011111 ─ <not assigned> + * ├─ 100000 ─ <not assigned> + * ├─ 100001 ─ <not assigned> + * ├─ 100010 ─ OPC_MXU_S8LDD + * ├─ 100011 ─ OPC_MXU_S8STD + * ├─ 100100 ─ OPC_MXU_S8LDI + * ├─ 100101 ─ OPC_MXU_S8SDI + * │ 15..14 + * ├─ 100110 ─ OPC_MXU__POOL16 ─┬─ 00 ─ OPC_MXU_S32MUL + * │ ├─ 00 ─ OPC_MXU_S32MULU + * │ ├─ 00 ─ OPC_MXU_S32EXTR + * │ └─ 00 ─ OPC_MXU_S32EXTRV + * │ + * │ 20..18 + * ├─ 100111 ─ OPC_MXU__POOL17 ─┬─ 000 ─ OPC_MXU_D32SARW + * │ ├─ 001 ─ OPC_MXU_S32ALN + * ├─ 101000 ─ OPC_MXU_LXB ├─ 010 ─ OPC_MXU_S32ALNI + * ├─ 101001 ─ <not assigned> ├─ 011 ─ OPC_MXU_S32NOR + * ├─ 101010 ─ OPC_MXU_S16LDD ├─ 100 ─ OPC_MXU_S32AND + * ├─ 101011 ─ OPC_MXU_S16STD ├─ 101 ─ OPC_MXU_S32OR + * ├─ 101100 ─ OPC_MXU_S16LDI ├─ 110 ─ OPC_MXU_S32XOR + * ├─ 101101 ─ OPC_MXU_S16SDI └─ 111 ─ OPC_MXU_S32LUI + * ├─ 101000 ─ <not assigned> + * ├─ 101001 ─ <not assigned> + * ├─ 101010 ─ <not assigned> + * ├─ 101011 ─ <not assigned> + * ├─ 101100 ─ <not assigned> + * ├─ 101101 ─ <not assigned> + * ├─ 101110 ─ OPC_MXU_S32M2I + * ├─ 101111 ─ OPC_MXU_S32I2M + * ├─ 110000 ─ OPC_MXU_D32SLL + * ├─ 110001 ─ OPC_MXU_D32SLR + * ├─ 110010 ─ OPC_MXU_D32SARL + * ├─ 110011 ─ OPC_MXU_D32SAR + * ├─ 110100 ─ OPC_MXU_Q16SLL + * ├─ 110101 ─ OPC_MXU_Q16SLR 20..18 + * ├─ 110110 ─ OPC_MXU__POOL18 ─┬─ 000 ─ OPC_MXU_D32SLLV + * │ ├─ 001 ─ OPC_MXU_D32SLRV + * │ ├─ 010 ─ OPC_MXU_D32SARV + * │ ├─ 011 ─ OPC_MXU_Q16SLLV + * │ ├─ 100 ─ OPC_MXU_Q16SLRV + * │ └─ 101 ─ OPC_MXU_Q16SARV + * ├─ 110111 ─ OPC_MXU_Q16SAR + * │ 23..22 + * ├─ 111000 ─ OPC_MXU__POOL19 ─┬─ 00 ─ OPC_MXU_Q8MUL + * │ └─ 01 ─ OPC_MXU_Q8MULSU + * │ + * │ 20..18 + * ├─ 111001 ─ OPC_MXU__POOL20 ─┬─ 000 ─ OPC_MXU_Q8MOVZ + * │ ├─ 001 ─ OPC_MXU_Q8MOVN + * │ ├─ 010 ─ OPC_MXU_D16MOVZ + * │ ├─ 011 ─ OPC_MXU_D16MOVN + * │ ├─ 100 ─ OPC_MXU_S32MOVZ + * │ └─ 101 ─ OPC_MXU_S32MOV + * │ + * │ 23..22 + * ├─ 111010 ─ OPC_MXU__POOL21 ─┬─ 00 ─ OPC_MXU_Q8MAC + * │ └─ 10 ─ OPC_MXU_Q8MACSU + * ├─ 111011 ─ OPC_MXU_Q16SCOP + * ├─ 111100 ─ OPC_MXU_Q8MADL + * ├─ 111101 ─ OPC_MXU_S32SFL + * ├─ 111110 ─ OPC_MXU_Q8SAD + * └─ 111111 ─ <not assigned> + * + * + * Compiled after: + * + * "XBurst® Instruction Set Architecture MIPS eXtension/enhanced Unit + * Programming Manual", Ingenic Semiconductor Co, Ltd., 2017 + */ + +enum { + OPC_MXU_S32MADD = 0x00, + OPC_MXU_S32MADDU = 0x01, + /* not assigned 0x02 */ + OPC_MXU__POOL00 = 0x03, + OPC_MXU_S32MSUB = 0x04, + OPC_MXU_S32MSUBU = 0x05, + OPC_MXU__POOL01 = 0x06, + OPC_MXU__POOL02 = 0x07, + OPC_MXU_D16MUL = 0x08, + OPC_MXU__POOL03 = 0x09, + OPC_MXU_D16MAC = 0x0A, + OPC_MXU_D16MACF = 0x0B, + OPC_MXU_D16MADL = 0x0C, + OPC_MXU__POOL04 = 0x0D, + OPC_MXU_Q16ADD = 0x0E, + OPC_MXU_D16MACE = 0x0F, + OPC_MXU__POOL05 = 0x10, + OPC_MXU__POOL06 = 0x11, + OPC_MXU__POOL07 = 0x12, + OPC_MXU__POOL08 = 0x13, + OPC_MXU__POOL09 = 0x14, + OPC_MXU__POOL10 = 0x15, + OPC_MXU__POOL11 = 0x16, + OPC_MXU__POOL12 = 0x17, + OPC_MXU_D32ADD = 0x18, + OPC_MXU__POOL13 = 0x19, + /* not assigned 0x1A */ + OPC_MXU__POOL14 = 0x1B, + OPC_MXU__POOL15 = 0x1C, + OPC_MXU_Q8ACCE = 0x1D, + /* not assigned 0x1E */ + /* not assigned 0x1F */ + /* not assigned 0x20 */ + /* not assigned 0x21 */ + OPC_MXU_S8LDD = 0x22, + OPC_MXU_S8STD = 0x23, + OPC_MXU_S8LDI = 0x24, + OPC_MXU_S8SDI = 0x25, + OPC_MXU__POOL16 = 0x26, + OPC_MXU__POOL17 = 0x27, + OPC_MXU_LXB = 0x28, + /* not assigned 0x29 */ + OPC_MXU_S16LDD = 0x2A, + OPC_MXU_S16STD = 0x2B, + OPC_MXU_S16LDI = 0x2C, + OPC_MXU_S16SDI = 0x2D, + OPC_MXU_S32M2I = 0x2E, + OPC_MXU_S32I2M = 0x2F, + OPC_MXU_D32SLL = 0x30, + OPC_MXU_D32SLR = 0x31, + OPC_MXU_D32SARL = 0x32, + OPC_MXU_D32SAR = 0x33, + OPC_MXU_Q16SLL = 0x34, + OPC_MXU_Q16SLR = 0x35, + OPC_MXU__POOL18 = 0x36, + OPC_MXU_Q16SAR = 0x37, + OPC_MXU__POOL19 = 0x38, + OPC_MXU__POOL20 = 0x39, + OPC_MXU__POOL21 = 0x3A, + OPC_MXU_Q16SCOP = 0x3B, + OPC_MXU_Q8MADL = 0x3C, + OPC_MXU_S32SFL = 0x3D, + OPC_MXU_Q8SAD = 0x3E, + /* not assigned 0x3F */ +}; + + +/* + * MXU pool 00 + */ +enum { + OPC_MXU_S32MAX = 0x00, + OPC_MXU_S32MIN = 0x01, + OPC_MXU_D16MAX = 0x02, + OPC_MXU_D16MIN = 0x03, + OPC_MXU_Q8MAX = 0x04, + OPC_MXU_Q8MIN = 0x05, + OPC_MXU_Q8SLT = 0x06, + OPC_MXU_Q8SLTU = 0x07, +}; + +/* + * MXU pool 01 + */ +enum { + OPC_MXU_S32SLT = 0x00, + OPC_MXU_D16SLT = 0x01, + OPC_MXU_D16AVG = 0x02, + OPC_MXU_D16AVGR = 0x03, + OPC_MXU_Q8AVG = 0x04, + OPC_MXU_Q8AVGR = 0x05, + OPC_MXU_Q8ADD = 0x07, +}; + +/* + * MXU pool 02 + */ +enum { + OPC_MXU_S32CPS = 0x00, + OPC_MXU_D16CPS = 0x02, + OPC_MXU_Q8ABD = 0x04, + OPC_MXU_Q16SAT = 0x06, +}; + +/* + * MXU pool 03 + */ +enum { + OPC_MXU_D16MULF = 0x00, + OPC_MXU_D16MULE = 0x01, +}; + +/* + * MXU pool 04 + */ +enum { + OPC_MXU_S16MAD = 0x00, + OPC_MXU_S16MAD_1 = 0x01, +}; + +/* + * MXU pool 05 + */ +enum { + OPC_MXU_S32LDD = 0x00, + OPC_MXU_S32LDDR = 0x01, +}; + +/* + * MXU pool 06 + */ +enum { + OPC_MXU_S32STD = 0x00, + OPC_MXU_S32STDR = 0x01, +}; + +/* + * MXU pool 07 + */ +enum { + OPC_MXU_S32LDDV = 0x00, + OPC_MXU_S32LDDVR = 0x01, +}; + +/* + * MXU pool 08 + */ +enum { + OPC_MXU_S32STDV = 0x00, + OPC_MXU_S32STDVR = 0x01, +}; + +/* + * MXU pool 09 + */ +enum { + OPC_MXU_S32LDI = 0x00, + OPC_MXU_S32LDIR = 0x01, +}; + +/* + * MXU pool 10 + */ +enum { + OPC_MXU_S32SDI = 0x00, + OPC_MXU_S32SDIR = 0x01, +}; + +/* + * MXU pool 11 + */ +enum { + OPC_MXU_S32LDIV = 0x00, + OPC_MXU_S32LDIVR = 0x01, +}; + +/* + * MXU pool 12 + */ +enum { + OPC_MXU_S32SDIV = 0x00, + OPC_MXU_S32SDIVR = 0x01, +}; + +/* + * MXU pool 13 + */ +enum { + OPC_MXU_D32ACC = 0x00, + OPC_MXU_D32ACCM = 0x01, + OPC_MXU_D32ASUM = 0x02, +}; + +/* + * MXU pool 14 + */ +enum { + OPC_MXU_Q16ACC = 0x00, + OPC_MXU_Q16ACCM = 0x01, + OPC_MXU_Q16ASUM = 0x02, +}; + +/* + * MXU pool 15 + */ +enum { + OPC_MXU_Q8ADDE = 0x00, + OPC_MXU_D8SUM = 0x01, + OPC_MXU_D8SUMC = 0x02, +}; + +/* + * MXU pool 16 + */ +enum { + OPC_MXU_S32MUL = 0x00, + OPC_MXU_S32MULU = 0x01, + OPC_MXU_S32EXTR = 0x02, + OPC_MXU_S32EXTRV = 0x03, +}; + +/* + * MXU pool 17 + */ +enum { + OPC_MXU_D32SARW = 0x00, + OPC_MXU_S32ALN = 0x01, + OPC_MXU_S32ALNI = 0x02, + OPC_MXU_S32NOR = 0x03, + OPC_MXU_S32AND = 0x04, + OPC_MXU_S32OR = 0x05, + OPC_MXU_S32XOR = 0x06, + OPC_MXU_S32LUI = 0x07, +}; + +/* + * MXU pool 18 + */ +enum { + OPC_MXU_D32SLLV = 0x00, + OPC_MXU_D32SLRV = 0x01, + OPC_MXU_D32SARV = 0x03, + OPC_MXU_Q16SLLV = 0x04, + OPC_MXU_Q16SLRV = 0x05, + OPC_MXU_Q16SARV = 0x07, +}; + +/* + * MXU pool 19 + */ +enum { + OPC_MXU_Q8MUL = 0x00, + OPC_MXU_Q8MULSU = 0x01, +}; + +/* + * MXU pool 20 + */ +enum { + OPC_MXU_Q8MOVZ = 0x00, + OPC_MXU_Q8MOVN = 0x01, + OPC_MXU_D16MOVZ = 0x02, + OPC_MXU_D16MOVN = 0x03, + OPC_MXU_S32MOVZ = 0x04, + OPC_MXU_S32MOVN = 0x05, +}; + +/* + * MXU pool 21 + */ +enum { + OPC_MXU_Q8MAC = 0x00, + OPC_MXU_Q8MACSU = 0x01, +}; + +/* + * Overview of the TX79-specific instruction set + * ============================================= + * + * The R5900 and the C790 have 128-bit wide GPRs, where the upper 64 bits + * are only used by the specific quadword (128-bit) LQ/SQ load/store + * instructions and certain multimedia instructions (MMIs). These MMIs + * configure the 128-bit data path as two 64-bit, four 32-bit, eight 16-bit + * or sixteen 8-bit paths. + * + * Reference: + * + * The Toshiba TX System RISC TX79 Core Architecture manual, + * https://wiki.qemu.org/File:C790.pdf + * + * Three-Operand Multiply and Multiply-Add (4 instructions) + * -------------------------------------------------------- + * MADD [rd,] rs, rt Multiply/Add + * MADDU [rd,] rs, rt Multiply/Add Unsigned + * MULT [rd,] rs, rt Multiply (3-operand) + * MULTU [rd,] rs, rt Multiply Unsigned (3-operand) + * + * Multiply Instructions for Pipeline 1 (10 instructions) + * ------------------------------------------------------ + * MULT1 [rd,] rs, rt Multiply Pipeline 1 + * MULTU1 [rd,] rs, rt Multiply Unsigned Pipeline 1 + * DIV1 rs, rt Divide Pipeline 1 + * DIVU1 rs, rt Divide Unsigned Pipeline 1 + * MADD1 [rd,] rs, rt Multiply-Add Pipeline 1 + * MADDU1 [rd,] rs, rt Multiply-Add Unsigned Pipeline 1 + * MFHI1 rd Move From HI1 Register + * MFLO1 rd Move From LO1 Register + * MTHI1 rs Move To HI1 Register + * MTLO1 rs Move To LO1 Register + * + * Arithmetic (19 instructions) + * ---------------------------- + * PADDB rd, rs, rt Parallel Add Byte + * PSUBB rd, rs, rt Parallel Subtract Byte + * PADDH rd, rs, rt Parallel Add Halfword + * PSUBH rd, rs, rt Parallel Subtract Halfword + * PADDW rd, rs, rt Parallel Add Word + * PSUBW rd, rs, rt Parallel Subtract Word + * PADSBH rd, rs, rt Parallel Add/Subtract Halfword + * PADDSB rd, rs, rt Parallel Add with Signed Saturation Byte + * PSUBSB rd, rs, rt Parallel Subtract with Signed Saturation Byte + * PADDSH rd, rs, rt Parallel Add with Signed Saturation Halfword + * PSUBSH rd, rs, rt Parallel Subtract with Signed Saturation Halfword + * PADDSW rd, rs, rt Parallel Add with Signed Saturation Word + * PSUBSW rd, rs, rt Parallel Subtract with Signed Saturation Word + * PADDUB rd, rs, rt Parallel Add with Unsigned saturation Byte + * PSUBUB rd, rs, rt Parallel Subtract with Unsigned saturation Byte + * PADDUH rd, rs, rt Parallel Add with Unsigned saturation Halfword + * PSUBUH rd, rs, rt Parallel Subtract with Unsigned saturation Halfword + * PADDUW rd, rs, rt Parallel Add with Unsigned saturation Word + * PSUBUW rd, rs, rt Parallel Subtract with Unsigned saturation Word + * + * Min/Max (4 instructions) + * ------------------------ + * PMAXH rd, rs, rt Parallel Maximum Halfword + * PMINH rd, rs, rt Parallel Minimum Halfword + * PMAXW rd, rs, rt Parallel Maximum Word + * PMINW rd, rs, rt Parallel Minimum Word + * + * Absolute (2 instructions) + * ------------------------- + * PABSH rd, rt Parallel Absolute Halfword + * PABSW rd, rt Parallel Absolute Word + * + * Logical (4 instructions) + * ------------------------ + * PAND rd, rs, rt Parallel AND + * POR rd, rs, rt Parallel OR + * PXOR rd, rs, rt Parallel XOR + * PNOR rd, rs, rt Parallel NOR + * + * Shift (9 instructions) + * ---------------------- + * PSLLH rd, rt, sa Parallel Shift Left Logical Halfword + * PSRLH rd, rt, sa Parallel Shift Right Logical Halfword + * PSRAH rd, rt, sa Parallel Shift Right Arithmetic Halfword + * PSLLW rd, rt, sa Parallel Shift Left Logical Word + * PSRLW rd, rt, sa Parallel Shift Right Logical Word + * PSRAW rd, rt, sa Parallel Shift Right Arithmetic Word + * PSLLVW rd, rt, rs Parallel Shift Left Logical Variable Word + * PSRLVW rd, rt, rs Parallel Shift Right Logical Variable Word + * PSRAVW rd, rt, rs Parallel Shift Right Arithmetic Variable Word + * + * Compare (6 instructions) + * ------------------------ + * PCGTB rd, rs, rt Parallel Compare for Greater Than Byte + * PCEQB rd, rs, rt Parallel Compare for Equal Byte + * PCGTH rd, rs, rt Parallel Compare for Greater Than Halfword + * PCEQH rd, rs, rt Parallel Compare for Equal Halfword + * PCGTW rd, rs, rt Parallel Compare for Greater Than Word + * PCEQW rd, rs, rt Parallel Compare for Equal Word + * + * LZC (1 instruction) + * ------------------- + * PLZCW rd, rs Parallel Leading Zero or One Count Word + * + * Quadword Load and Store (2 instructions) + * ---------------------------------------- + * LQ rt, offset(base) Load Quadword + * SQ rt, offset(base) Store Quadword + * + * Multiply and Divide (19 instructions) + * ------------------------------------- + * PMULTW rd, rs, rt Parallel Multiply Word + * PMULTUW rd, rs, rt Parallel Multiply Unsigned Word + * PDIVW rs, rt Parallel Divide Word + * PDIVUW rs, rt Parallel Divide Unsigned Word + * PMADDW rd, rs, rt Parallel Multiply-Add Word + * PMADDUW rd, rs, rt Parallel Multiply-Add Unsigned Word + * PMSUBW rd, rs, rt Parallel Multiply-Subtract Word + * PMULTH rd, rs, rt Parallel Multiply Halfword + * PMADDH rd, rs, rt Parallel Multiply-Add Halfword + * PMSUBH rd, rs, rt Parallel Multiply-Subtract Halfword + * PHMADH rd, rs, rt Parallel Horizontal Multiply-Add Halfword + * PHMSBH rd, rs, rt Parallel Horizontal Multiply-Subtract Halfword + * PDIVBW rs, rt Parallel Divide Broadcast Word + * PMFHI rd Parallel Move From HI Register + * PMFLO rd Parallel Move From LO Register + * PMTHI rs Parallel Move To HI Register + * PMTLO rs Parallel Move To LO Register + * PMFHL rd Parallel Move From HI/LO Register + * PMTHL rs Parallel Move To HI/LO Register + * + * Pack/Extend (11 instructions) + * ----------------------------- + * PPAC5 rd, rt Parallel Pack to 5 bits + * PPACB rd, rs, rt Parallel Pack to Byte + * PPACH rd, rs, rt Parallel Pack to Halfword + * PPACW rd, rs, rt Parallel Pack to Word + * PEXT5 rd, rt Parallel Extend Upper from 5 bits + * PEXTUB rd, rs, rt Parallel Extend Upper from Byte + * PEXTLB rd, rs, rt Parallel Extend Lower from Byte + * PEXTUH rd, rs, rt Parallel Extend Upper from Halfword + * PEXTLH rd, rs, rt Parallel Extend Lower from Halfword + * PEXTUW rd, rs, rt Parallel Extend Upper from Word + * PEXTLW rd, rs, rt Parallel Extend Lower from Word + * + * Others (16 instructions) + * ------------------------ + * PCPYH rd, rt Parallel Copy Halfword + * PCPYLD rd, rs, rt Parallel Copy Lower Doubleword + * PCPYUD rd, rs, rt Parallel Copy Upper Doubleword + * PREVH rd, rt Parallel Reverse Halfword + * PINTH rd, rs, rt Parallel Interleave Halfword + * PINTEH rd, rs, rt Parallel Interleave Even Halfword + * PEXEH rd, rt Parallel Exchange Even Halfword + * PEXCH rd, rt Parallel Exchange Center Halfword + * PEXEW rd, rt Parallel Exchange Even Word + * PEXCW rd, rt Parallel Exchange Center Word + * QFSRV rd, rs, rt Quadword Funnel Shift Right Variable + * MFSA rd Move from Shift Amount Register + * MTSA rs Move to Shift Amount Register + * MTSAB rs, immediate Move Byte Count to Shift Amount Register + * MTSAH rs, immediate Move Halfword Count to Shift Amount Register + * PROT3W rd, rt Parallel Rotate 3 Words + * + * The TX79-specific Multimedia Instruction encodings + * ================================================== + * + * TX79 Multimedia Instruction encoding table keys: + * + * * This code is reserved for future use. An attempt to execute it + * causes a Reserved Instruction exception. + * % This code indicates an instruction class. The instruction word + * must be further decoded by examining additional tables that show + * the values for other instruction fields. + * # This code is reserved for the unsupported instructions DMULT, + * DMULTU, DDIV, DDIVU, LL, LLD, SC, SCD, LWC2 and SWC2. An attempt + * to execute it causes a Reserved Instruction exception. + * + * TX79 Multimedia Instructions encoded by opcode field (MMI, LQ, SQ): + * + * 31 26 0 + * +--------+----------------------------------------+ + * | opcode | | + * +--------+----------------------------------------+ + * + * opcode bits 28..26 + * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 + * 31..29 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 + * -------+-------+-------+-------+-------+-------+-------+-------+------- + * 0 000 |SPECIAL| REGIMM| J | JAL | BEQ | BNE | BLEZ | BGTZ + * 1 001 | ADDI | ADDIU | SLTI | SLTIU | ANDI | ORI | XORI | LUI + * 2 010 | COP0 | COP1 | * | * | BEQL | BNEL | BLEZL | BGTZL + * 3 011 | DADDI | DADDIU| LDL | LDR | MMI% | * | LQ | SQ + * 4 100 | LB | LH | LWL | LW | LBU | LHU | LWR | LWU + * 5 101 | SB | SH | SWL | SW | SDL | SDR | SWR | CACHE + * 6 110 | # | LWC1 | # | PREF | # | LDC1 | # | LD + * 7 111 | # | SWC1 | # | * | # | SDC1 | # | SD + */ + +enum { + TX79_CLASS_MMI = 0x1C << 26, /* Same as OPC_SPECIAL2 */ + TX79_LQ = 0x1E << 26, /* Same as OPC_MSA */ + TX79_SQ = 0x1F << 26, /* Same as OPC_SPECIAL3 */ +}; + +/* + * TX79 Multimedia Instructions with opcode field = MMI: + * + * 31 26 5 0 + * +--------+-------------------------------+--------+ + * | MMI | |function| + * +--------+-------------------------------+--------+ + * + * function bits 2..0 + * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 + * 5..3 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 + * -------+-------+-------+-------+-------+-------+-------+-------+------- + * 0 000 | MADD | MADDU | * | * | PLZCW | * | * | * + * 1 001 | MMI0% | MMI2% | * | * | * | * | * | * + * 2 010 | MFHI1 | MTHI1 | MFLO1 | MTLO1 | * | * | * | * + * 3 011 | MULT1 | MULTU1| DIV1 | DIVU1 | * | * | * | * + * 4 100 | MADD1 | MADDU1| * | * | * | * | * | * + * 5 101 | MMI1% | MMI3% | * | * | * | * | * | * + * 6 110 | PMFHL | PMTHL | * | * | PSLLH | * | PSRLH | PSRAH + * 7 111 | * | * | * | * | PSLLW | * | PSRLW | PSRAW + */ + +#define MASK_TX79_MMI(op) (MASK_OP_MAJOR(op) | ((op) & 0x3F)) +enum { + TX79_MMI_MADD = 0x00 | TX79_CLASS_MMI, /* Same as OPC_MADD */ + TX79_MMI_MADDU = 0x01 | TX79_CLASS_MMI, /* Same as OPC_MADDU */ + TX79_MMI_PLZCW = 0x04 | TX79_CLASS_MMI, + TX79_MMI_CLASS_MMI0 = 0x08 | TX79_CLASS_MMI, + TX79_MMI_CLASS_MMI2 = 0x09 | TX79_CLASS_MMI, + TX79_MMI_MFHI1 = 0x10 | TX79_CLASS_MMI, /* Same minor as OPC_MFHI */ + TX79_MMI_MTHI1 = 0x11 | TX79_CLASS_MMI, /* Same minor as OPC_MTHI */ + TX79_MMI_MFLO1 = 0x12 | TX79_CLASS_MMI, /* Same minor as OPC_MFLO */ + TX79_MMI_MTLO1 = 0x13 | TX79_CLASS_MMI, /* Same minor as OPC_MTLO */ + TX79_MMI_MULT1 = 0x18 | TX79_CLASS_MMI, /* Same minor as OPC_MULT */ + TX79_MMI_MULTU1 = 0x19 | TX79_CLASS_MMI, /* Same minor as OPC_MULTU */ + TX79_MMI_DIV1 = 0x1A | TX79_CLASS_MMI, /* Same minor as OPC_DIV */ + TX79_MMI_DIVU1 = 0x1B | TX79_CLASS_MMI, /* Same minor as OPC_DIVU */ + TX79_MMI_MADD1 = 0x20 | TX79_CLASS_MMI, + TX79_MMI_MADDU1 = 0x21 | TX79_CLASS_MMI, + TX79_MMI_CLASS_MMI1 = 0x28 | TX79_CLASS_MMI, + TX79_MMI_CLASS_MMI3 = 0x29 | TX79_CLASS_MMI, + TX79_MMI_PMFHL = 0x30 | TX79_CLASS_MMI, + TX79_MMI_PMTHL = 0x31 | TX79_CLASS_MMI, + TX79_MMI_PSLLH = 0x34 | TX79_CLASS_MMI, + TX79_MMI_PSRLH = 0x36 | TX79_CLASS_MMI, + TX79_MMI_PSRAH = 0x37 | TX79_CLASS_MMI, + TX79_MMI_PSLLW = 0x3C | TX79_CLASS_MMI, + TX79_MMI_PSRLW = 0x3E | TX79_CLASS_MMI, + TX79_MMI_PSRAW = 0x3F | TX79_CLASS_MMI, +}; + +/* + * TX79 Multimedia Instructions with opcode field = MMI and bits 5..0 = MMI0: + * + * 31 26 10 6 5 0 + * +--------+----------------------+--------+--------+ + * | MMI | |function| MMI0 | + * +--------+----------------------+--------+--------+ + * + * function bits 7..6 + * bits | 0 | 1 | 2 | 3 + * 10..8 | 00 | 01 | 10 | 11 + * -------+-------+-------+-------+------- + * 0 000 | PADDW | PSUBW | PCGTW | PMAXW + * 1 001 | PADDH | PSUBH | PCGTH | PMAXH + * 2 010 | PADDB | PSUBB | PCGTB | * + * 3 011 | * | * | * | * + * 4 100 | PADDSW| PSUBSW| PEXTLW| PPACW + * 5 101 | PADDSH| PSUBSH| PEXTLH| PPACH + * 6 110 | PADDSB| PSUBSB| PEXTLB| PPACB + * 7 111 | * | * | PEXT5 | PPAC5 + */ + +#define MASK_TX79_MMI0(op) (MASK_OP_MAJOR(op) | ((op) & 0x7FF)) +enum { + TX79_MMI0_PADDW = (0x00 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PSUBW = (0x01 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PCGTW = (0x02 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PMAXW = (0x03 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PADDH = (0x04 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PSUBH = (0x05 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PCGTH = (0x06 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PMAXH = (0x07 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PADDB = (0x08 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PSUBB = (0x09 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PCGTB = (0x0A << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PADDSW = (0x10 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PSUBSW = (0x11 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PEXTLW = (0x12 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PPACW = (0x13 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PADDSH = (0x14 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PSUBSH = (0x15 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PEXTLH = (0x16 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PPACH = (0x17 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PADDSB = (0x18 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PSUBSB = (0x19 << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PEXTLB = (0x1A << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PPACB = (0x1B << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PEXT5 = (0x1E << 6) | TX79_MMI_CLASS_MMI0, + TX79_MMI0_PPAC5 = (0x1F << 6) | TX79_MMI_CLASS_MMI0, +}; + +/* + * TX79 Multimedia Instructions with opcode field = MMI and bits 5..0 = MMI1: + * + * 31 26 10 6 5 0 + * +--------+----------------------+--------+--------+ + * | MMI | |function| MMI1 | + * +--------+----------------------+--------+--------+ + * + * function bits 7..6 + * bits | 0 | 1 | 2 | 3 + * 10..8 | 00 | 01 | 10 | 11 + * -------+-------+-------+-------+------- + * 0 000 | * | PABSW | PCEQW | PMINW + * 1 001 | PADSBH| PABSH | PCEQH | PMINH + * 2 010 | * | * | PCEQB | * + * 3 011 | * | * | * | * + * 4 100 | PADDUW| PSUBUW| PEXTUW| * + * 5 101 | PADDUH| PSUBUH| PEXTUH| * + * 6 110 | PADDUB| PSUBUB| PEXTUB| QFSRV + * 7 111 | * | * | * | * + */ + +#define MASK_TX79_MMI1(op) (MASK_OP_MAJOR(op) | ((op) & 0x7FF)) +enum { + TX79_MMI1_PABSW = (0x01 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PCEQW = (0x02 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PMINW = (0x03 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PADSBH = (0x04 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PABSH = (0x05 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PCEQH = (0x06 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PMINH = (0x07 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PCEQB = (0x0A << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PADDUW = (0x10 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PSUBUW = (0x11 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PEXTUW = (0x12 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PADDUH = (0x14 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PSUBUH = (0x15 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PEXTUH = (0x16 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PADDUB = (0x18 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PSUBUB = (0x19 << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_PEXTUB = (0x1A << 6) | TX79_MMI_CLASS_MMI1, + TX79_MMI1_QFSRV = (0x1B << 6) | TX79_MMI_CLASS_MMI1, +}; + +/* + * TX79 Multimedia Instructions with opcode field = MMI and bits 5..0 = MMI2: + * + * 31 26 10 6 5 0 + * +--------+----------------------+--------+--------+ + * | MMI | |function| MMI2 | + * +--------+----------------------+--------+--------+ + * + * function bits 7..6 + * bits | 0 | 1 | 2 | 3 + * 10..8 | 00 | 01 | 10 | 11 + * -------+-------+-------+-------+------- + * 0 000 | PMADDW| * | PSLLVW| PSRLVW + * 1 001 | PMSUBW| * | * | * + * 2 010 | PMFHI | PMFLO | PINTH | * + * 3 011 | PMULTW| PDIVW | PCPYLD| * + * 4 100 | PMADDH| PHMADH| PAND | PXOR + * 5 101 | PMSUBH| PHMSBH| * | * + * 6 110 | * | * | PEXEH | PREVH + * 7 111 | PMULTH| PDIVBW| PEXEW | PROT3W + */ + +#define MASK_TX79_MMI2(op) (MASK_OP_MAJOR(op) | ((op) & 0x7FF)) +enum { + TX79_MMI2_PMADDW = (0x00 << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PSLLVW = (0x02 << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PSRLVW = (0x03 << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PMSUBW = (0x04 << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PMFHI = (0x08 << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PMFLO = (0x09 << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PINTH = (0x0A << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PMULTW = (0x0C << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PDIVW = (0x0D << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PCPYLD = (0x0E << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PMADDH = (0x10 << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PHMADH = (0x11 << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PAND = (0x12 << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PXOR = (0x13 << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PMSUBH = (0x14 << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PHMSBH = (0x15 << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PEXEH = (0x1A << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PREVH = (0x1B << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PMULTH = (0x1C << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PDIVBW = (0x1D << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PEXEW = (0x1E << 6) | TX79_MMI_CLASS_MMI2, + TX79_MMI2_PROT3W = (0x1F << 6) | TX79_MMI_CLASS_MMI2, +}; + +/* + * TX79 Multimedia Instructions with opcode field = MMI and bits 5..0 = MMI3: + * + * 31 26 10 6 5 0 + * +--------+----------------------+--------+--------+ + * | MMI | |function| MMI3 | + * +--------+----------------------+--------+--------+ + * + * function bits 7..6 + * bits | 0 | 1 | 2 | 3 + * 10..8 | 00 | 01 | 10 | 11 + * -------+-------+-------+-------+------- + * 0 000 |PMADDUW| * | * | PSRAVW + * 1 001 | * | * | * | * + * 2 010 | PMTHI | PMTLO | PINTEH| * + * 3 011 |PMULTUW| PDIVUW| PCPYUD| * + * 4 100 | * | * | POR | PNOR + * 5 101 | * | * | * | * + * 6 110 | * | * | PEXCH | PCPYH + * 7 111 | * | * | PEXCW | * + */ + +#define MASK_TX79_MMI3(op) (MASK_OP_MAJOR(op) | ((op) & 0x7FF)) +enum { + TX79_MMI3_PMADDUW = (0x00 << 6) | TX79_MMI_CLASS_MMI3, + TX79_MMI3_PSRAVW = (0x03 << 6) | TX79_MMI_CLASS_MMI3, + TX79_MMI3_PMTHI = (0x08 << 6) | TX79_MMI_CLASS_MMI3, + TX79_MMI3_PMTLO = (0x09 << 6) | TX79_MMI_CLASS_MMI3, + TX79_MMI3_PINTEH = (0x0A << 6) | TX79_MMI_CLASS_MMI3, + TX79_MMI3_PMULTUW = (0x0C << 6) | TX79_MMI_CLASS_MMI3, + TX79_MMI3_PDIVUW = (0x0D << 6) | TX79_MMI_CLASS_MMI3, + TX79_MMI3_PCPYUD = (0x0E << 6) | TX79_MMI_CLASS_MMI3, + TX79_MMI3_POR = (0x12 << 6) | TX79_MMI_CLASS_MMI3, + TX79_MMI3_PNOR = (0x13 << 6) | TX79_MMI_CLASS_MMI3, + TX79_MMI3_PEXCH = (0x1A << 6) | TX79_MMI_CLASS_MMI3, + TX79_MMI3_PCPYH = (0x1B << 6) | TX79_MMI_CLASS_MMI3, + TX79_MMI3_PEXCW = (0x1E << 6) | TX79_MMI_CLASS_MMI3, +}; + /* global register indices */ static TCGv cpu_gpr[32], cpu_PC; static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC]; @@ -1447,8 +2428,9 @@ typedef struct DisasContext { target_ulong saved_pc; target_ulong page_start; uint32_t opcode; - int insn_flags; + uint64_t insn_flags; int32_t CP0_Config1; + int32_t CP0_Config2; int32_t CP0_Config3; int32_t CP0_Config5; /* Routine used to access memory */ @@ -1857,9 +2839,20 @@ static inline void check_dsp(DisasContext *ctx) } } -static inline void check_dspr2(DisasContext *ctx) +static inline void check_dsp_r2(DisasContext *ctx) { - if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSPR2))) { + if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R2))) { + if (ctx->insn_flags & ASE_DSP) { + generate_exception_end(ctx, EXCP_DSPDIS); + } else { + generate_exception_end(ctx, EXCP_RI); + } + } +} + +static inline void check_dsp_r3(DisasContext *ctx) +{ + if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R3))) { if (ctx->insn_flags & ASE_DSP) { generate_exception_end(ctx, EXCP_DSPDIS); } else { @@ -1870,7 +2863,7 @@ static inline void check_dspr2(DisasContext *ctx) /* This code generates a "reserved instruction" exception if the CPU does not support the instruction set corresponding to flags. */ -static inline void check_insn(DisasContext *ctx, int flags) +static inline void check_insn(DisasContext *ctx, uint64_t flags) { if (unlikely(!(ctx->insn_flags & flags))) { generate_exception_end(ctx, EXCP_RI); @@ -1880,13 +2873,28 @@ static inline void check_insn(DisasContext *ctx, int flags) /* This code generates a "reserved instruction" exception if the CPU has corresponding flag set which indicates that the instruction has been removed. */ -static inline void check_insn_opc_removed(DisasContext *ctx, int flags) +static inline void check_insn_opc_removed(DisasContext *ctx, uint64_t flags) { if (unlikely(ctx->insn_flags & flags)) { generate_exception_end(ctx, EXCP_RI); } } +/* + * The Linux kernel traps certain reserved instruction exceptions to + * emulate the corresponding instructions. QEMU is the kernel in user + * mode, so those traps are emulated by accepting the instructions. + * + * A reserved instruction exception is generated for flagged CPUs if + * QEMU runs in system mode. + */ +static inline void check_insn_opc_user_only(DisasContext *ctx, uint64_t flags) +{ +#ifndef CONFIG_USER_ONLY + check_insn_opc_removed(ctx, flags); +#endif +} + /* This code generates a "reserved instruction" exception if the CPU does not support 64-bit paired-single (PS) floating point data type */ static inline void check_ps(DisasContext *ctx) @@ -1927,6 +2935,19 @@ static inline void check_xnp(DisasContext *ctx) } } +#ifndef CONFIG_USER_ONLY +/* + * This code generates a "reserved instruction" exception if the + * Config3 PW bit is NOT set. + */ +static inline void check_pw(DisasContext *ctx) +{ + if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_PW)))) { + generate_exception_end(ctx, EXCP_RI); + } +} +#endif + /* * This code generates a "reserved instruction" exception if the * Config3 MT bit is NOT set. @@ -3231,17 +4252,21 @@ static void gen_shift(DisasContext *ctx, uint32_t opc, /* Arithmetic on HI/LO registers */ static void gen_HILO(DisasContext *ctx, uint32_t opc, int acc, int reg) { - if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { + if (reg == 0 && (opc == OPC_MFHI || opc == TX79_MMI_MFHI1 || + opc == OPC_MFLO || opc == TX79_MMI_MFLO1)) { /* Treat as NOP. */ return; } if (acc != 0) { - check_dsp(ctx); + if (!(ctx->insn_flags & INSN_R5900)) { + check_dsp(ctx); + } } switch (opc) { case OPC_MFHI: + case TX79_MMI_MFHI1: #if defined(TARGET_MIPS64) if (acc != 0) { tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_HI[acc]); @@ -3252,6 +4277,7 @@ static void gen_HILO(DisasContext *ctx, uint32_t opc, int acc, int reg) } break; case OPC_MFLO: + case TX79_MMI_MFLO1: #if defined(TARGET_MIPS64) if (acc != 0) { tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_LO[acc]); @@ -3262,6 +4288,7 @@ static void gen_HILO(DisasContext *ctx, uint32_t opc, int acc, int reg) } break; case OPC_MTHI: + case TX79_MMI_MTHI1: if (reg != 0) { #if defined(TARGET_MIPS64) if (acc != 0) { @@ -3276,6 +4303,7 @@ static void gen_HILO(DisasContext *ctx, uint32_t opc, int acc, int reg) } break; case OPC_MTLO: + case TX79_MMI_MTLO1: if (reg != 0) { #if defined(TARGET_MIPS64) if (acc != 0) { @@ -3588,11 +4616,14 @@ static void gen_muldiv(DisasContext *ctx, uint32_t opc, gen_load_gpr(t1, rt); if (acc != 0) { - check_dsp(ctx); + if (!(ctx->insn_flags & INSN_R5900)) { + check_dsp(ctx); + } } switch (opc) { case OPC_DIV: + case TX79_MMI_DIV1: { TCGv t2 = tcg_temp_new(); TCGv t3 = tcg_temp_new(); @@ -3614,6 +4645,7 @@ static void gen_muldiv(DisasContext *ctx, uint32_t opc, } break; case OPC_DIVU: + case TX79_MMI_DIVU1: { TCGv t2 = tcg_const_tl(0); TCGv t3 = tcg_const_tl(1); @@ -3768,6 +4800,84 @@ static void gen_muldiv(DisasContext *ctx, uint32_t opc, tcg_temp_free(t1); } +/* + * These MULT and MULTU instructions implemented in for example the + * Toshiba/Sony R5900 and the Toshiba TX19, TX39 and TX79 core + * architectures are special three-operand variants with the syntax + * + * MULT[U][1] rd, rs, rt + * + * such that + * + * (rd, LO, HI) <- rs * rt + * + * where the low-order 32-bits of the result is placed into both the + * GPR rd and the special register LO. The high-order 32-bits of the + * result is placed into the special register HI. + * + * If the GPR rd is omitted in assembly language, it is taken to be 0, + * which is the zero register that always reads as 0. + */ +static void gen_mul_txx9(DisasContext *ctx, uint32_t opc, + int rd, int rs, int rt) +{ + TCGv t0 = tcg_temp_new(); + TCGv t1 = tcg_temp_new(); + int acc = 0; + + gen_load_gpr(t0, rs); + gen_load_gpr(t1, rt); + + switch (opc) { + case TX79_MMI_MULT1: + acc = 1; + /* Fall through */ + case OPC_MULT: + { + TCGv_i32 t2 = tcg_temp_new_i32(); + TCGv_i32 t3 = tcg_temp_new_i32(); + tcg_gen_trunc_tl_i32(t2, t0); + tcg_gen_trunc_tl_i32(t3, t1); + tcg_gen_muls2_i32(t2, t3, t2, t3); + if (rd) { + tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); + } + tcg_gen_ext_i32_tl(cpu_LO[acc], t2); + tcg_gen_ext_i32_tl(cpu_HI[acc], t3); + tcg_temp_free_i32(t2); + tcg_temp_free_i32(t3); + } + break; + case TX79_MMI_MULTU1: + acc = 1; + /* Fall through */ + case OPC_MULTU: + { + TCGv_i32 t2 = tcg_temp_new_i32(); + TCGv_i32 t3 = tcg_temp_new_i32(); + tcg_gen_trunc_tl_i32(t2, t0); + tcg_gen_trunc_tl_i32(t3, t1); + tcg_gen_mulu2_i32(t2, t3, t2, t3); + if (rd) { + tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); + } + tcg_gen_ext_i32_tl(cpu_LO[acc], t2); + tcg_gen_ext_i32_tl(cpu_HI[acc], t3); + tcg_temp_free_i32(t2); + tcg_temp_free_i32(t3); + } + break; + default: + MIPS_INVAL("mul TXx9"); + generate_exception_end(ctx, EXCP_RI); + goto out; + } + + out: + tcg_temp_free(t0); + tcg_temp_free(t1); +} + static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc, int rd, int rs, int rt) { @@ -5537,6 +6647,21 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel) tcg_gen_ext32s_tl(arg, arg); rn = "SegCtl2"; break; + case 5: + check_pw(ctx); + gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWBase)); + rn = "PWBase"; + break; + case 6: + check_pw(ctx); + gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWField)); + rn = "PWField"; + break; + case 7: + check_pw(ctx); + gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWSize)); + rn = "PWSize"; + break; default: goto cp0_unimplemented; } @@ -5572,6 +6697,11 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel) gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4)); rn = "SRSConf4"; break; + case 6: + check_pw(ctx); + gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl)); + rn = "PWCtl"; + break; default: goto cp0_unimplemented; } @@ -6238,6 +7368,21 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel) gen_helper_mtc0_segctl2(cpu_env, arg); rn = "SegCtl2"; break; + case 5: + check_pw(ctx); + gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_PWBase)); + rn = "PWBase"; + break; + case 6: + check_pw(ctx); + gen_helper_mtc0_pwfield(cpu_env, arg); + rn = "PWField"; + break; + case 7: + check_pw(ctx); + gen_helper_mtc0_pwsize(cpu_env, arg); + rn = "PWSize"; + break; default: goto cp0_unimplemented; } @@ -6273,6 +7418,11 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel) gen_helper_mtc0_srsconf4(cpu_env, arg); rn = "SRSConf4"; break; + case 6: + check_pw(ctx); + gen_helper_mtc0_pwctl(cpu_env, arg); + rn = "PWCtl"; + break; default: goto cp0_unimplemented; } @@ -6948,6 +8098,21 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel) tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl2)); rn = "SegCtl2"; break; + case 5: + check_pw(ctx); + tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_PWBase)); + rn = "PWBase"; + break; + case 6: + check_pw(ctx); + tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_PWField)); + rn = "PWField"; + break; + case 7: + check_pw(ctx); + tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_PWSize)); + rn = "PWSize"; + break; default: goto cp0_unimplemented; } @@ -6983,6 +8148,11 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel) gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4)); rn = "SRSConf4"; break; + case 6: + check_pw(ctx); + gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl)); + rn = "PWCtl"; + break; default: goto cp0_unimplemented; } @@ -7631,6 +8801,21 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel) gen_helper_mtc0_segctl2(cpu_env, arg); rn = "SegCtl2"; break; + case 5: + check_pw(ctx); + tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_PWBase)); + rn = "PWBase"; + break; + case 6: + check_pw(ctx); + gen_helper_mtc0_pwfield(cpu_env, arg); + rn = "PWField"; + break; + case 7: + check_pw(ctx); + gen_helper_mtc0_pwsize(cpu_env, arg); + rn = "PWSize"; + break; default: goto cp0_unimplemented; } @@ -7666,6 +8851,11 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel) gen_helper_mtc0_srsconf4(cpu_env, arg); rn = "SRSConf4"; break; + case 6: + check_pw(ctx); + gen_helper_mtc0_pwctl(cpu_env, arg); + rn = "PWCtl"; + break; default: goto cp0_unimplemented; } @@ -14999,15 +16189,15 @@ static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx) case 0x38: /* cmovs */ switch ((ctx->opcode >> 6) & 0x7) { - case MOVN_FMT: /* SELNEZ_FMT */ + case MOVN_FMT: /* SELEQZ_FMT */ if (ctx->insn_flags & ISA_MIPS32R6) { - /* SELNEZ_FMT */ + /* SELEQZ_FMT */ switch ((ctx->opcode >> 9) & 0x3) { case FMT_SDPS_S: - gen_sel_s(ctx, OPC_SELNEZ_S, rd, rt, rs); + gen_sel_s(ctx, OPC_SELEQZ_S, rd, rt, rs); break; case FMT_SDPS_D: - gen_sel_d(ctx, OPC_SELNEZ_D, rd, rt, rs); + gen_sel_d(ctx, OPC_SELEQZ_D, rd, rt, rs); break; default: goto pool32f_invalid; @@ -15021,15 +16211,15 @@ static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx) check_insn_opc_removed(ctx, ISA_MIPS32R6); FINSN_3ARG_SDPS(MOVN); break; - case MOVZ_FMT: /* SELEQZ_FMT */ + case MOVZ_FMT: /* SELNEZ_FMT */ if (ctx->insn_flags & ISA_MIPS32R6) { - /* SELEQZ_FMT */ + /* SELNEZ_FMT */ switch ((ctx->opcode >> 9) & 0x3) { case FMT_SDPS_S: - gen_sel_s(ctx, OPC_SELEQZ_S, rd, rt, rs); + gen_sel_s(ctx, OPC_SELNEZ_S, rd, rt, rs); break; case FMT_SDPS_D: - gen_sel_d(ctx, OPC_SELEQZ_D, rd, rt, rs); + gen_sel_d(ctx, OPC_SELNEZ_D, rd, rt, rs); break; default: goto pool32f_invalid; @@ -16488,6 +17678,40 @@ enum { NM_P_SC = 0x0b, }; +/* P.LS.E0 instruction pool */ +enum { + NM_LBE = 0x00, + NM_SBE = 0x01, + NM_LBUE = 0x02, + NM_P_PREFE = 0x03, + NM_LHE = 0x04, + NM_SHE = 0x05, + NM_LHUE = 0x06, + NM_CACHEE = 0x07, + NM_LWE = 0x08, + NM_SWE = 0x09, + NM_P_LLE = 0x0a, + NM_P_SCE = 0x0b, +}; + +/* P.PREFE instruction pool */ +enum { + NM_SYNCIE = 0x00, + NM_PREFE = 0x01, +}; + +/* P.LLE instruction pool */ +enum { + NM_LLE = 0x00, + NM_LLWPE = 0x01, +}; + +/* P.SCE instruction pool */ +enum { + NM_SCE = 0x00, + NM_SCWPE = 0x01, +}; + /* P.LS.WM instruction pool */ enum { NM_LWM = 0x00, @@ -17444,7 +18668,7 @@ static void gen_pool32axf_2_multiply(DisasContext *ctx, uint32_t opc, case NM_POOL32AXF_2_0_7: switch (extract32(ctx->opcode, 9, 3)) { case NM_DPA_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpa_w_ph(t0, v1, v0, cpu_env); break; case NM_DPAQ_S_W_PH: @@ -17452,7 +18676,7 @@ static void gen_pool32axf_2_multiply(DisasContext *ctx, uint32_t opc, gen_helper_dpaq_s_w_ph(t0, v1, v0, cpu_env); break; case NM_DPS_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dps_w_ph(t0, v1, v0, cpu_env); break; case NM_DPSQ_S_W_PH: @@ -17467,7 +18691,7 @@ static void gen_pool32axf_2_multiply(DisasContext *ctx, uint32_t opc, case NM_POOL32AXF_2_8_15: switch (extract32(ctx->opcode, 9, 3)) { case NM_DPAX_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpax_w_ph(t0, v0, v1, cpu_env); break; case NM_DPAQ_SA_L_W: @@ -17475,7 +18699,7 @@ static void gen_pool32axf_2_multiply(DisasContext *ctx, uint32_t opc, gen_helper_dpaq_sa_l_w(t0, v0, v1, cpu_env); break; case NM_DPSX_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpsx_w_ph(t0, v0, v1, cpu_env); break; case NM_DPSQ_SA_L_W: @@ -17494,7 +18718,7 @@ static void gen_pool32axf_2_multiply(DisasContext *ctx, uint32_t opc, gen_helper_dpau_h_qbl(t0, v0, v1, cpu_env); break; case NM_DPAQX_S_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpaqx_s_w_ph(t0, v0, v1, cpu_env); break; case NM_DPSU_H_QBL: @@ -17502,11 +18726,11 @@ static void gen_pool32axf_2_multiply(DisasContext *ctx, uint32_t opc, gen_helper_dpsu_h_qbl(t0, v0, v1, cpu_env); break; case NM_DPSQX_S_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpsqx_s_w_ph(t0, v0, v1, cpu_env); break; case NM_MULSA_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_mulsa_w_ph(t0, v0, v1, cpu_env); break; default: @@ -17521,7 +18745,7 @@ static void gen_pool32axf_2_multiply(DisasContext *ctx, uint32_t opc, gen_helper_dpau_h_qbr(t0, v1, v0, cpu_env); break; case NM_DPAQX_SA_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpaqx_sa_w_ph(t0, v1, v0, cpu_env); break; case NM_DPSU_H_QBR: @@ -17529,7 +18753,7 @@ static void gen_pool32axf_2_multiply(DisasContext *ctx, uint32_t opc, gen_helper_dpsu_h_qbr(t0, v1, v0, cpu_env); break; case NM_DPSQX_SA_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpsqx_sa_w_ph(t0, v1, v0, cpu_env); break; case NM_MULSAQ_S_W_PH: @@ -17571,7 +18795,7 @@ static void gen_pool32axf_2_nanomips_insn(DisasContext *ctx, uint32_t opc, gen_pool32axf_2_multiply(ctx, opc, v0_t, v1_t, rd); break; case NM_BALIGN: - check_dspr2(ctx); + check_dsp_r2(ctx); if (rt != 0) { gen_load_gpr(t0, rs); rd &= 3; @@ -17801,7 +19025,7 @@ static void gen_pool32axf_4_nanomips_insn(DisasContext *ctx, uint32_t opc, switch (opc) { case NM_ABSQ_S_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_absq_s_qb(v0_t, v0_t, cpu_env); gen_store_gpr(v0_t, ret); break; @@ -17940,7 +19164,7 @@ static void gen_pool32axf_7_nanomips_insn(DisasContext *ctx, uint32_t opc, switch (opc) { case NM_SHRA_R_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); tcg_gen_movi_tl(t0, rd >> 2); switch (extract32(ctx->opcode, 12, 1)) { case 0: @@ -17956,7 +19180,7 @@ static void gen_pool32axf_7_nanomips_insn(DisasContext *ctx, uint32_t opc, } break; case NM_SHRL_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); tcg_gen_movi_tl(t0, rd >> 1); gen_helper_shrl_ph(t0, t0, rs_t); gen_store_gpr(t0, rt); @@ -18881,19 +20105,19 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, gen_store_gpr(v1_t, ret); break; case NM_CMPGDU_EQ_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_cmpgu_eq_qb(v1_t, v1_t, v2_t); tcg_gen_deposit_tl(cpu_dspctrl, cpu_dspctrl, v1_t, 24, 4); gen_store_gpr(v1_t, ret); break; case NM_CMPGDU_LT_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_cmpgu_lt_qb(v1_t, v1_t, v2_t); tcg_gen_deposit_tl(cpu_dspctrl, cpu_dspctrl, v1_t, 24, 4); gen_store_gpr(v1_t, ret); break; case NM_CMPGDU_LE_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_cmpgu_le_qb(v1_t, v1_t, v2_t); tcg_gen_deposit_tl(cpu_dspctrl, cpu_dspctrl, v1_t, 24, 4); gen_store_gpr(v1_t, ret); @@ -18949,7 +20173,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, } break; case NM_ADDQH_R_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (extract32(ctx->opcode, 10, 1)) { case 0: /* ADDQH_PH */ @@ -18964,7 +20188,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, } break; case NM_ADDQH_R_W: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (extract32(ctx->opcode, 10, 1)) { case 0: /* ADDQH_W */ @@ -18994,7 +20218,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, } break; case NM_ADDU_S_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (extract32(ctx->opcode, 10, 1)) { case 0: /* ADDU_PH */ @@ -19009,7 +20233,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, } break; case NM_ADDUH_R_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (extract32(ctx->opcode, 10, 1)) { case 0: /* ADDUH_QB */ @@ -19039,7 +20263,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, } break; case NM_SHRAV_R_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (extract32(ctx->opcode, 10, 1)) { case 0: /* SHRAV_QB */ @@ -19069,7 +20293,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, } break; case NM_SUBQH_R_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (extract32(ctx->opcode, 10, 1)) { case 0: /* SUBQH_PH */ @@ -19084,7 +20308,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, } break; case NM_SUBQH_R_W: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (extract32(ctx->opcode, 10, 1)) { case 0: /* SUBQH_W */ @@ -19114,7 +20338,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, } break; case NM_SUBU_S_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (extract32(ctx->opcode, 10, 1)) { case 0: /* SUBU_PH */ @@ -19129,7 +20353,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, } break; case NM_SUBUH_R_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (extract32(ctx->opcode, 10, 1)) { case 0: /* SUBUH_QB */ @@ -19159,7 +20383,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, } break; case NM_PRECR_SRA_R_PH_W: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (extract32(ctx->opcode, 10, 1)) { case 0: /* PRECR_SRA_PH_W */ @@ -19199,22 +20423,22 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, gen_store_gpr(v1_t, ret); break; case NM_MULQ_S_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_mulq_s_ph(v1_t, v1_t, v2_t, cpu_env); gen_store_gpr(v1_t, ret); break; case NM_MULQ_RS_W: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_mulq_rs_w(v1_t, v1_t, v2_t, cpu_env); gen_store_gpr(v1_t, ret); break; case NM_MULQ_S_W: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_mulq_s_w(v1_t, v1_t, v2_t, cpu_env); gen_store_gpr(v1_t, ret); break; case NM_APPEND: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_load_gpr(t0, rs); if (rd != 0) { tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], rd, 32 - rd); @@ -19232,7 +20456,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, gen_store_gpr(v1_t, ret); break; case NM_SHRLV_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shrl_ph(v1_t, v1_t, v2_t); gen_store_gpr(v1_t, ret); break; @@ -19274,7 +20498,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, gen_store_gpr(v1_t, ret); break; case NM_MUL_S_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (extract32(ctx->opcode, 10, 1)) { case 0: /* MUL_PH */ @@ -19289,7 +20513,7 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, } break; case NM_PRECR_QB_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_precr_qb_ph(v1_t, v1_t, v2_t); gen_store_gpr(v1_t, ret); break; @@ -19326,8 +20550,8 @@ static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc, case 0: /* SHRA_PH */ gen_helper_shra_ph(v1_t, t0, v1_t); - break; gen_store_gpr(v1_t, rt); + break; case 1: /* SHRA_R_PH */ gen_helper_shra_r_ph(v1_t, t0, v1_t); @@ -20098,7 +21322,7 @@ static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx) gen_compute_branch_cp1_nm(ctx, OPC_BC1NEZ, rt, s); break; case NM_BPOSGE32C: - check_dspr2(ctx); + check_dsp_r3(ctx); { int32_t imm = extract32(ctx->opcode, 1, 13) | extract32(ctx->opcode, 0, 1) << 13; @@ -20607,7 +21831,7 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, switch (op1) { /* OPC_MULT_G_2E is equal OPC_ADDUH_QB_DSP */ case OPC_MULT_G_2E: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (op2) { case OPC_ADDUH_QB: gen_helper_adduh_qb(cpu_gpr[ret], v1_t, v2_t); @@ -20650,7 +21874,7 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, case OPC_ABSQ_S_PH_DSP: switch (op2) { case OPC_ABSQ_S_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_absq_s_qb(cpu_gpr[ret], v2_t, cpu_env); break; case OPC_ABSQ_S_PH: @@ -20729,11 +21953,11 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_addu_s_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_ADDU_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_addu_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_ADDU_S_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_addu_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_SUBQ_PH: @@ -20757,11 +21981,11 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_subu_s_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_SUBU_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_subu_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_SUBU_S_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_subu_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_ADDSC: @@ -20785,7 +22009,7 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, case OPC_CMPU_EQ_QB_DSP: switch (op2) { case OPC_PRECR_QB_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_precr_qb_ph(cpu_gpr[ret], v1_t, v2_t); break; case OPC_PRECRQ_QB_PH: @@ -20793,7 +22017,7 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_precrq_qb_ph(cpu_gpr[ret], v1_t, v2_t); break; case OPC_PRECR_SRA_PH_W: - check_dspr2(ctx); + check_dsp_r2(ctx); { TCGv_i32 sa_t = tcg_const_i32(v2); gen_helper_precr_sra_ph_w(cpu_gpr[ret], sa_t, v1_t, @@ -20802,7 +22026,7 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, break; } case OPC_PRECR_SRA_R_PH_W: - check_dspr2(ctx); + check_dsp_r2(ctx); { TCGv_i32 sa_t = tcg_const_i32(v2); gen_helper_precr_sra_r_ph_w(cpu_gpr[ret], sa_t, v1_t, @@ -20884,7 +22108,7 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_preceu_qh_obra(cpu_gpr[ret], v2_t); break; case OPC_ABSQ_S_OB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_absq_s_ob(cpu_gpr[ret], v2_t, cpu_env); break; case OPC_ABSQ_S_PW: @@ -20928,19 +22152,19 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_subu_s_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_SUBU_QH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_subu_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_SUBU_S_QH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_subu_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_SUBUH_OB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_subuh_ob(cpu_gpr[ret], v1_t, v2_t); break; case OPC_SUBUH_R_OB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_subuh_r_ob(cpu_gpr[ret], v1_t, v2_t); break; case OPC_ADDQ_PW: @@ -20968,19 +22192,19 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_addu_s_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_ADDU_QH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_addu_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_ADDU_S_QH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_addu_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_ADDUH_OB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_adduh_ob(cpu_gpr[ret], v1_t, v2_t); break; case OPC_ADDUH_R_OB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_adduh_r_ob(cpu_gpr[ret], v1_t, v2_t); break; } @@ -20988,11 +22212,11 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, case OPC_CMPU_EQ_OB_DSP: switch (op2) { case OPC_PRECR_OB_QH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_precr_ob_qh(cpu_gpr[ret], v1_t, v2_t); break; case OPC_PRECR_SRA_QH_PW: - check_dspr2(ctx); + check_dsp_r2(ctx); { TCGv_i32 ret_t = tcg_const_i32(ret); gen_helper_precr_sra_qh_pw(v2_t, v1_t, v2_t, ret_t); @@ -21000,7 +22224,7 @@ static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, break; } case OPC_PRECR_SRA_R_QH_PW: - check_dspr2(ctx); + check_dsp_r2(ctx); { TCGv_i32 sa_v = tcg_const_i32(ret); gen_helper_precr_sra_r_qh_pw(v2_t, v1_t, v2_t, sa_v); @@ -21103,27 +22327,27 @@ static void gen_mipsdsp_shift(DisasContext *ctx, uint32_t opc, gen_helper_shrl_qb(cpu_gpr[ret], v1_t, v2_t); break; case OPC_SHRL_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shrl_ph(cpu_gpr[ret], t0, v2_t); break; case OPC_SHRLV_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shrl_ph(cpu_gpr[ret], v1_t, v2_t); break; case OPC_SHRA_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shra_qb(cpu_gpr[ret], t0, v2_t); break; case OPC_SHRA_R_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shra_r_qb(cpu_gpr[ret], t0, v2_t); break; case OPC_SHRAV_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shra_qb(cpu_gpr[ret], v1_t, v2_t); break; case OPC_SHRAV_R_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shra_r_qb(cpu_gpr[ret], v1_t, v2_t); break; case OPC_SHRA_PH: @@ -21202,19 +22426,19 @@ static void gen_mipsdsp_shift(DisasContext *ctx, uint32_t opc, gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, v1_t, cpu_env); break; case OPC_SHRA_OB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shra_ob(cpu_gpr[ret], v2_t, t0); break; case OPC_SHRAV_OB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shra_ob(cpu_gpr[ret], v2_t, v1_t); break; case OPC_SHRA_R_OB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, t0); break; case OPC_SHRAV_R_OB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, v1_t); break; case OPC_SHRA_PW: @@ -21258,11 +22482,11 @@ static void gen_mipsdsp_shift(DisasContext *ctx, uint32_t opc, gen_helper_shrl_ob(cpu_gpr[ret], v2_t, v1_t); break; case OPC_SHRL_QH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shrl_qh(cpu_gpr[ret], v2_t, t0); break; case OPC_SHRLV_QH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_shrl_qh(cpu_gpr[ret], v2_t, v1_t); break; default: /* Invalid */ @@ -21303,7 +22527,7 @@ static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2, /* OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have * the same mask and op1. */ case OPC_MULT_G_2E: - check_dspr2(ctx); + check_dsp_r2(ctx); switch (op2) { case OPC_MUL_PH: gen_helper_mul_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); @@ -21338,11 +22562,11 @@ static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_dpsu_h_qbr(t0, v1_t, v2_t, cpu_env); break; case OPC_DPA_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpa_w_ph(t0, v1_t, v2_t, cpu_env); break; case OPC_DPAX_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpax_w_ph(t0, v1_t, v2_t, cpu_env); break; case OPC_DPAQ_S_W_PH: @@ -21350,19 +22574,19 @@ static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_dpaq_s_w_ph(t0, v1_t, v2_t, cpu_env); break; case OPC_DPAQX_S_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpaqx_s_w_ph(t0, v1_t, v2_t, cpu_env); break; case OPC_DPAQX_SA_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpaqx_sa_w_ph(t0, v1_t, v2_t, cpu_env); break; case OPC_DPS_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dps_w_ph(t0, v1_t, v2_t, cpu_env); break; case OPC_DPSX_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpsx_w_ph(t0, v1_t, v2_t, cpu_env); break; case OPC_DPSQ_S_W_PH: @@ -21370,11 +22594,11 @@ static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_dpsq_s_w_ph(t0, v1_t, v2_t, cpu_env); break; case OPC_DPSQX_S_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpsqx_s_w_ph(t0, v1_t, v2_t, cpu_env); break; case OPC_DPSQX_SA_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpsqx_sa_w_ph(t0, v1_t, v2_t, cpu_env); break; case OPC_MULSAQ_S_W_PH: @@ -21406,7 +22630,7 @@ static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_maq_sa_w_phr(t0, v1_t, v2_t, cpu_env); break; case OPC_MULSA_W_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_mulsa_w_ph(t0, v1_t, v2_t, cpu_env); break; } @@ -21435,7 +22659,7 @@ static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_dmsubu(v1_t, v2_t, t0, cpu_env); break; case OPC_DPA_W_QH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dpa_w_qh(v1_t, v2_t, t0, cpu_env); break; case OPC_DPAQ_S_W_QH: @@ -21455,7 +22679,7 @@ static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_dpau_h_obr(v1_t, v2_t, t0, cpu_env); break; case OPC_DPS_W_QH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_dps_w_qh(v1_t, v2_t, t0, cpu_env); break; case OPC_DPSQ_S_W_QH: @@ -21549,7 +22773,7 @@ static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2, gen_helper_muleq_s_w_phr(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_MULQ_S_PH: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_mulq_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; } @@ -21773,7 +22997,7 @@ static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx, gen_helper_cmpgu_le_qb(cpu_gpr[ret], v1_t, v2_t); break; case OPC_CMPGDU_EQ_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_cmpgu_eq_qb(t1, v1_t, v2_t); tcg_gen_mov_tl(cpu_gpr[ret], t1); tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF); @@ -21781,7 +23005,7 @@ static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx, tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1); break; case OPC_CMPGDU_LT_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_cmpgu_lt_qb(t1, v1_t, v2_t); tcg_gen_mov_tl(cpu_gpr[ret], t1); tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF); @@ -21789,7 +23013,7 @@ static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx, tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1); break; case OPC_CMPGDU_LE_QB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_cmpgu_le_qb(t1, v1_t, v2_t); tcg_gen_mov_tl(cpu_gpr[ret], t1); tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF); @@ -21850,15 +23074,15 @@ static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx, gen_helper_cmp_le_qh(v1_t, v2_t, cpu_env); break; case OPC_CMPGDU_EQ_OB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_cmpgdu_eq_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_CMPGDU_LT_OB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_cmpgdu_lt_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_CMPGDU_LE_OB: - check_dspr2(ctx); + check_dsp_r2(ctx); gen_helper_cmpgdu_le_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); break; case OPC_CMPGU_EQ_OB: @@ -21916,7 +23140,7 @@ static void gen_mipsdsp_append(CPUMIPSState *env, DisasContext *ctx, { TCGv t0; - check_dspr2(ctx); + check_dsp_r2(ctx); if (rt == 0) { /* Treat as NOP. */ @@ -22351,7 +23575,7 @@ static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx) case OPC_MOVN: /* Conditional move */ case OPC_MOVZ: check_insn(ctx, ISA_MIPS4 | ISA_MIPS32 | - INSN_LOONGSON2E | INSN_LOONGSON2F); + INSN_LOONGSON2E | INSN_LOONGSON2F | INSN_R5900); gen_cond_move(ctx, op1, rd, rs, rt); break; case OPC_MFHI: /* Move from HI/LO */ @@ -22378,6 +23602,8 @@ static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx) check_insn(ctx, INSN_VR54XX); op1 = MASK_MUL_VR54XX(ctx->opcode); gen_mul_vr54xx(ctx, op1, rd, rs, rt); + } else if (ctx->insn_flags & INSN_R5900) { + gen_mul_txx9(ctx, op1, rd, rs, rt); } else { gen_muldiv(ctx, op1, rd & 3, rs, rt); } @@ -22392,6 +23618,7 @@ static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx) case OPC_DDIV: case OPC_DDIVU: check_insn(ctx, ISA_MIPS3); + check_insn_opc_user_only(ctx, INSN_R5900); check_mips_64(ctx); gen_muldiv(ctx, op1, 0, rs, rt); break; @@ -22738,7 +23965,9 @@ static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx) op2 = MASK_BSHFL(ctx->opcode); switch (op2) { case OPC_ALIGN: - case OPC_ALIGN_END: + case OPC_ALIGN_1: + case OPC_ALIGN_2: + case OPC_ALIGN_3: gen_align(ctx, 32, rd, rs, rt, sa & 3); break; case OPC_BITSWAP: @@ -22764,7 +23993,13 @@ static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx) op2 = MASK_DBSHFL(ctx->opcode); switch (op2) { case OPC_DALIGN: - case OPC_DALIGN_END: + case OPC_DALIGN_1: + case OPC_DALIGN_2: + case OPC_DALIGN_3: + case OPC_DALIGN_4: + case OPC_DALIGN_5: + case OPC_DALIGN_6: + case OPC_DALIGN_7: gen_align(ctx, 64, rd, rs, rt, sa & 7); break; case OPC_DBITSWAP: @@ -22801,7 +24036,7 @@ static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx) case OPC_MULTU_G_2E: /* OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have * the same mask and op1. */ - if ((ctx->insn_flags & ASE_DSPR2) && (op1 == OPC_MULT_G_2E)) { + if ((ctx->insn_flags & ASE_DSP_R2) && (op1 == OPC_MULT_G_2E)) { op2 = MASK_ADDUH_QB(ctx->opcode); switch (op2) { case OPC_ADDUH_QB: @@ -23308,6 +24543,250 @@ static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx) } } +static void decode_tx79_mmi0(CPUMIPSState *env, DisasContext *ctx) +{ + uint32_t opc = MASK_TX79_MMI0(ctx->opcode); + + switch (opc) { + case TX79_MMI0_PADDW: /* TODO: TX79_MMI0_PADDW */ + case TX79_MMI0_PSUBW: /* TODO: TX79_MMI0_PSUBW */ + case TX79_MMI0_PCGTW: /* TODO: TX79_MMI0_PCGTW */ + case TX79_MMI0_PMAXW: /* TODO: TX79_MMI0_PMAXW */ + case TX79_MMI0_PADDH: /* TODO: TX79_MMI0_PADDH */ + case TX79_MMI0_PSUBH: /* TODO: TX79_MMI0_PSUBH */ + case TX79_MMI0_PCGTH: /* TODO: TX79_MMI0_PCGTH */ + case TX79_MMI0_PMAXH: /* TODO: TX79_MMI0_PMAXH */ + case TX79_MMI0_PADDB: /* TODO: TX79_MMI0_PADDB */ + case TX79_MMI0_PSUBB: /* TODO: TX79_MMI0_PSUBB */ + case TX79_MMI0_PCGTB: /* TODO: TX79_MMI0_PCGTB */ + case TX79_MMI0_PADDSW: /* TODO: TX79_MMI0_PADDSW */ + case TX79_MMI0_PSUBSW: /* TODO: TX79_MMI0_PSUBSW */ + case TX79_MMI0_PEXTLW: /* TODO: TX79_MMI0_PEXTLW */ + case TX79_MMI0_PPACW: /* TODO: TX79_MMI0_PPACW */ + case TX79_MMI0_PADDSH: /* TODO: TX79_MMI0_PADDSH */ + case TX79_MMI0_PSUBSH: /* TODO: TX79_MMI0_PSUBSH */ + case TX79_MMI0_PEXTLH: /* TODO: TX79_MMI0_PEXTLH */ + case TX79_MMI0_PPACH: /* TODO: TX79_MMI0_PPACH */ + case TX79_MMI0_PADDSB: /* TODO: TX79_MMI0_PADDSB */ + case TX79_MMI0_PSUBSB: /* TODO: TX79_MMI0_PSUBSB */ + case TX79_MMI0_PEXTLB: /* TODO: TX79_MMI0_PEXTLB */ + case TX79_MMI0_PPACB: /* TODO: TX79_MMI0_PPACB */ + case TX79_MMI0_PEXT5: /* TODO: TX79_MMI0_PEXT5 */ + case TX79_MMI0_PPAC5: /* TODO: TX79_MMI0_PPAC5 */ + generate_exception_end(ctx, EXCP_RI); /* TODO: TX79_MMI_CLASS_MMI0 */ + break; + default: + MIPS_INVAL("TX79 MMI class MMI0"); + generate_exception_end(ctx, EXCP_RI); + break; + } +} + +static void decode_tx79_mmi1(CPUMIPSState *env, DisasContext *ctx) +{ + uint32_t opc = MASK_TX79_MMI1(ctx->opcode); + + switch (opc) { + case TX79_MMI1_PABSW: /* TODO: TX79_MMI1_PABSW */ + case TX79_MMI1_PCEQW: /* TODO: TX79_MMI1_PCEQW */ + case TX79_MMI1_PMINW: /* TODO: TX79_MMI1_PMINW */ + case TX79_MMI1_PADSBH: /* TODO: TX79_MMI1_PADSBH */ + case TX79_MMI1_PABSH: /* TODO: TX79_MMI1_PABSH */ + case TX79_MMI1_PCEQH: /* TODO: TX79_MMI1_PCEQH */ + case TX79_MMI1_PMINH: /* TODO: TX79_MMI1_PMINH */ + case TX79_MMI1_PCEQB: /* TODO: TX79_MMI1_PCEQB */ + case TX79_MMI1_PADDUW: /* TODO: TX79_MMI1_PADDUW */ + case TX79_MMI1_PSUBUW: /* TODO: TX79_MMI1_PSUBUW */ + case TX79_MMI1_PEXTUW: /* TODO: TX79_MMI1_PEXTUW */ + case TX79_MMI1_PADDUH: /* TODO: TX79_MMI1_PADDUH */ + case TX79_MMI1_PSUBUH: /* TODO: TX79_MMI1_PSUBUH */ + case TX79_MMI1_PEXTUH: /* TODO: TX79_MMI1_PEXTUH */ + case TX79_MMI1_PADDUB: /* TODO: TX79_MMI1_PADDUB */ + case TX79_MMI1_PSUBUB: /* TODO: TX79_MMI1_PSUBUB */ + case TX79_MMI1_PEXTUB: /* TODO: TX79_MMI1_PEXTUB */ + case TX79_MMI1_QFSRV: /* TODO: TX79_MMI1_QFSRV */ + generate_exception_end(ctx, EXCP_RI); /* TODO: TX79_MMI_CLASS_MMI1 */ + break; + default: + MIPS_INVAL("TX79 MMI class MMI1"); + generate_exception_end(ctx, EXCP_RI); + break; + } +} + +static void decode_tx79_mmi2(CPUMIPSState *env, DisasContext *ctx) +{ + uint32_t opc = MASK_TX79_MMI2(ctx->opcode); + + switch (opc) { + case TX79_MMI2_PMADDW: /* TODO: TX79_MMI2_PMADDW */ + case TX79_MMI2_PSLLVW: /* TODO: TX79_MMI2_PSLLVW */ + case TX79_MMI2_PSRLVW: /* TODO: TX79_MMI2_PSRLVW */ + case TX79_MMI2_PMSUBW: /* TODO: TX79_MMI2_PMSUBW */ + case TX79_MMI2_PMFHI: /* TODO: TX79_MMI2_PMFHI */ + case TX79_MMI2_PMFLO: /* TODO: TX79_MMI2_PMFLO */ + case TX79_MMI2_PINTH: /* TODO: TX79_MMI2_PINTH */ + case TX79_MMI2_PMULTW: /* TODO: TX79_MMI2_PMULTW */ + case TX79_MMI2_PDIVW: /* TODO: TX79_MMI2_PDIVW */ + case TX79_MMI2_PCPYLD: /* TODO: TX79_MMI2_PCPYLD */ + case TX79_MMI2_PMADDH: /* TODO: TX79_MMI2_PMADDH */ + case TX79_MMI2_PHMADH: /* TODO: TX79_MMI2_PHMADH */ + case TX79_MMI2_PAND: /* TODO: TX79_MMI2_PAND */ + case TX79_MMI2_PXOR: /* TODO: TX79_MMI2_PXOR */ + case TX79_MMI2_PMSUBH: /* TODO: TX79_MMI2_PMSUBH */ + case TX79_MMI2_PHMSBH: /* TODO: TX79_MMI2_PHMSBH */ + case TX79_MMI2_PEXEH: /* TODO: TX79_MMI2_PEXEH */ + case TX79_MMI2_PREVH: /* TODO: TX79_MMI2_PREVH */ + case TX79_MMI2_PMULTH: /* TODO: TX79_MMI2_PMULTH */ + case TX79_MMI2_PDIVBW: /* TODO: TX79_MMI2_PDIVBW */ + case TX79_MMI2_PEXEW: /* TODO: TX79_MMI2_PEXEW */ + case TX79_MMI2_PROT3W: /* TODO: TX79_MMI2_PROT3W */ + generate_exception_end(ctx, EXCP_RI); /* TODO: TX79_MMI_CLASS_MMI2 */ + break; + default: + MIPS_INVAL("TX79 MMI class MMI2"); + generate_exception_end(ctx, EXCP_RI); + break; + } +} + +static void decode_tx79_mmi3(CPUMIPSState *env, DisasContext *ctx) +{ + uint32_t opc = MASK_TX79_MMI3(ctx->opcode); + + switch (opc) { + case TX79_MMI3_PMADDUW: /* TODO: TX79_MMI3_PMADDUW */ + case TX79_MMI3_PSRAVW: /* TODO: TX79_MMI3_PSRAVW */ + case TX79_MMI3_PMTHI: /* TODO: TX79_MMI3_PMTHI */ + case TX79_MMI3_PMTLO: /* TODO: TX79_MMI3_PMTLO */ + case TX79_MMI3_PINTEH: /* TODO: TX79_MMI3_PINTEH */ + case TX79_MMI3_PMULTUW: /* TODO: TX79_MMI3_PMULTUW */ + case TX79_MMI3_PDIVUW: /* TODO: TX79_MMI3_PDIVUW */ + case TX79_MMI3_PCPYUD: /* TODO: TX79_MMI3_PCPYUD */ + case TX79_MMI3_POR: /* TODO: TX79_MMI3_POR */ + case TX79_MMI3_PNOR: /* TODO: TX79_MMI3_PNOR */ + case TX79_MMI3_PEXCH: /* TODO: TX79_MMI3_PEXCH */ + case TX79_MMI3_PCPYH: /* TODO: TX79_MMI3_PCPYH */ + case TX79_MMI3_PEXCW: /* TODO: TX79_MMI3_PEXCW */ + generate_exception_end(ctx, EXCP_RI); /* TODO: TX79_MMI_CLASS_MMI3 */ + break; + default: + MIPS_INVAL("TX79 MMI class MMI3"); + generate_exception_end(ctx, EXCP_RI); + break; + } +} + +static void decode_tx79_mmi(CPUMIPSState *env, DisasContext *ctx) +{ + uint32_t opc = MASK_TX79_MMI(ctx->opcode); + int rs = extract32(ctx->opcode, 21, 5); + int rt = extract32(ctx->opcode, 16, 5); + int rd = extract32(ctx->opcode, 11, 5); + + switch (opc) { + case TX79_MMI_CLASS_MMI0: + decode_tx79_mmi0(env, ctx); + break; + case TX79_MMI_CLASS_MMI1: + decode_tx79_mmi1(env, ctx); + break; + case TX79_MMI_CLASS_MMI2: + decode_tx79_mmi2(env, ctx); + break; + case TX79_MMI_CLASS_MMI3: + decode_tx79_mmi3(env, ctx); + break; + case TX79_MMI_MULT1: + case TX79_MMI_MULTU1: + gen_mul_txx9(ctx, opc, rd, rs, rt); + break; + case TX79_MMI_DIV1: + case TX79_MMI_DIVU1: + gen_muldiv(ctx, opc, 1, rs, rt); + break; + case TX79_MMI_MTLO1: + case TX79_MMI_MTHI1: + gen_HILO(ctx, opc, 1, rs); + break; + case TX79_MMI_MFLO1: + case TX79_MMI_MFHI1: + gen_HILO(ctx, opc, 1, rd); + break; + case TX79_MMI_MADD: /* TODO: TX79_MMI_MADD */ + case TX79_MMI_MADDU: /* TODO: TX79_MMI_MADDU */ + case TX79_MMI_PLZCW: /* TODO: TX79_MMI_PLZCW */ + case TX79_MMI_MADD1: /* TODO: TX79_MMI_MADD1 */ + case TX79_MMI_MADDU1: /* TODO: TX79_MMI_MADDU1 */ + case TX79_MMI_PMFHL: /* TODO: TX79_MMI_PMFHL */ + case TX79_MMI_PMTHL: /* TODO: TX79_MMI_PMTHL */ + case TX79_MMI_PSLLH: /* TODO: TX79_MMI_PSLLH */ + case TX79_MMI_PSRLH: /* TODO: TX79_MMI_PSRLH */ + case TX79_MMI_PSRAH: /* TODO: TX79_MMI_PSRAH */ + case TX79_MMI_PSLLW: /* TODO: TX79_MMI_PSLLW */ + case TX79_MMI_PSRLW: /* TODO: TX79_MMI_PSRLW */ + case TX79_MMI_PSRAW: /* TODO: TX79_MMI_PSRAW */ + generate_exception_end(ctx, EXCP_RI); /* TODO: TX79_CLASS_MMI */ + break; + default: + MIPS_INVAL("TX79 MMI class"); + generate_exception_end(ctx, EXCP_RI); + break; + } +} + +static void decode_tx79_lq(CPUMIPSState *env, DisasContext *ctx) +{ + generate_exception_end(ctx, EXCP_RI); /* TODO: TX79_LQ */ +} + +static void gen_tx79_sq(DisasContext *ctx, int base, int rt, int offset) +{ + generate_exception_end(ctx, EXCP_RI); /* TODO: TX79_SQ */ +} + +/* + * The TX79-specific instruction Store Quadword + * + * +--------+-------+-------+------------------------+ + * | 011111 | base | rt | offset | SQ + * +--------+-------+-------+------------------------+ + * 6 5 5 16 + * + * has the same opcode as the Read Hardware Register instruction + * + * +--------+-------+-------+-------+-------+--------+ + * | 011111 | 00000 | rt | rd | 00000 | 111011 | RDHWR + * +--------+-------+-------+-------+-------+--------+ + * 6 5 5 5 5 6 + * + * that is required, trapped and emulated by the Linux kernel. However, all + * RDHWR encodings yield address error exceptions on the TX79 since the SQ + * offset is odd. Therefore all valid SQ instructions can execute normally. + * In user mode, QEMU must verify the upper and lower 11 bits to distinguish + * between SQ and RDHWR, as the Linux kernel does. + */ +static void decode_tx79_sq(CPUMIPSState *env, DisasContext *ctx) +{ + int base = extract32(ctx->opcode, 21, 5); + int rt = extract32(ctx->opcode, 16, 5); + int offset = extract32(ctx->opcode, 0, 16); + +#ifdef CONFIG_USER_ONLY + uint32_t op1 = MASK_SPECIAL3(ctx->opcode); + uint32_t op2 = extract32(ctx->opcode, 6, 5); + + if (base == 0 && op2 == 0 && op1 == OPC_RDHWR) { + int rd = extract32(ctx->opcode, 11, 5); + + gen_rdhwr(ctx, rt, rd, 0); + return; + } +#endif + + gen_tx79_sq(ctx, base, rt, offset); +} + static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx) { int rs, rt, rd, sa; @@ -23380,7 +24859,9 @@ static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx) op2 = MASK_BSHFL(ctx->opcode); switch (op2) { case OPC_ALIGN: - case OPC_ALIGN_END: + case OPC_ALIGN_1: + case OPC_ALIGN_2: + case OPC_ALIGN_3: case OPC_BITSWAP: check_insn(ctx, ISA_MIPS32R6); decode_opc_special3_r6(env, ctx); @@ -23406,7 +24887,13 @@ static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx) op2 = MASK_DBSHFL(ctx->opcode); switch (op2) { case OPC_DALIGN: - case OPC_DALIGN_END: + case OPC_DALIGN_1: + case OPC_DALIGN_2: + case OPC_DALIGN_3: + case OPC_DALIGN_4: + case OPC_DALIGN_5: + case OPC_DALIGN_6: + case OPC_DALIGN_7: case OPC_DBITSWAP: check_insn(ctx, ISA_MIPS32R6); decode_opc_special3_r6(env, ctx); @@ -24605,10 +26092,18 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) decode_opc_special(env, ctx); break; case OPC_SPECIAL2: - decode_opc_special2_legacy(env, ctx); + if ((ctx->insn_flags & INSN_R5900) && (ctx->insn_flags & ASE_MMI)) { + decode_tx79_mmi(env, ctx); + } else { + decode_opc_special2_legacy(env, ctx); + } break; case OPC_SPECIAL3: - decode_opc_special3(env, ctx); + if (ctx->insn_flags & INSN_R5900) { + decode_tx79_sq(env, ctx); /* TX79_SQ */ + } else { + decode_opc_special3(env, ctx); + } break; case OPC_REGIMM: op1 = MASK_REGIMM(ctx->opcode); @@ -24895,6 +26390,7 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) break; case OPC_LL: /* Load and stores */ check_insn(ctx, ISA_MIPS2); + check_insn_opc_user_only(ctx, INSN_R5900); /* Fallthrough */ case OPC_LWL: case OPC_LWR: @@ -24920,6 +26416,7 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) case OPC_SC: check_insn(ctx, ISA_MIPS2); check_insn_opc_removed(ctx, ISA_MIPS32R6); + check_insn_opc_user_only(ctx, INSN_R5900); gen_st_cond(ctx, op, rt, rs, imm); break; case OPC_CACHE: @@ -24933,7 +26430,8 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) break; case OPC_PREF: check_insn_opc_removed(ctx, ISA_MIPS32R6); - check_insn(ctx, ISA_MIPS4 | ISA_MIPS32); + check_insn(ctx, ISA_MIPS4 | ISA_MIPS32 | + INSN_R5900); /* Treat as NOP. */ break; @@ -25185,9 +26683,11 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) #if defined(TARGET_MIPS64) /* MIPS64 opcodes */ + case OPC_LLD: + check_insn_opc_user_only(ctx, INSN_R5900); + /* fall through */ case OPC_LDL: case OPC_LDR: - case OPC_LLD: check_insn_opc_removed(ctx, ISA_MIPS32R6); /* fall through */ case OPC_LWU: @@ -25208,6 +26708,7 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) case OPC_SCD: check_insn_opc_removed(ctx, ISA_MIPS32R6); check_insn(ctx, ISA_MIPS3); + check_insn_opc_user_only(ctx, INSN_R5900); check_mips_64(ctx); gen_st_cond(ctx, op, rt, rs, imm); break; @@ -25262,8 +26763,12 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) } break; case OPC_MSA: /* OPC_MDMX */ - /* MDMX: Not implemented. */ - gen_msa(env, ctx); + if (ctx->insn_flags & INSN_R5900) { + decode_tx79_lq(env, ctx); /* TX79_LQ */ + } else { + /* MDMX: Not implemented. */ + gen_msa(env, ctx); + } break; case OPC_PCREL: check_insn(ctx, ISA_MIPS32R6); @@ -25285,6 +26790,7 @@ static void mips_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) ctx->saved_pc = -1; ctx->insn_flags = env->insn_flags; ctx->CP0_Config1 = env->CP0_Config1; + ctx->CP0_Config2 = env->CP0_Config2; ctx->CP0_Config3 = env->CP0_Config3; ctx->CP0_Config5 = env->CP0_Config5; ctx->btarget = 0; @@ -25799,6 +27305,24 @@ void cpu_state_reset(CPUMIPSState *env) env->CP0_Status |= (1 << CP0St_FR); } + if (env->insn_flags & ISA_MIPS32R6) { + /* PTW = 1 */ + env->CP0_PWSize = 0x40; + /* GDI = 12 */ + /* UDI = 12 */ + /* MDI = 12 */ + /* PRI = 12 */ + /* PTEI = 2 */ + env->CP0_PWField = 0x0C30C302; + } else { + /* GDI = 0 */ + /* UDI = 0 */ + /* MDI = 0 */ + /* PRI = 0 */ + /* PTEI = 2 */ + env->CP0_PWField = 0x02; + } + if (env->CP0_Config3 & (1 << CP0C3_ISA) & (1 << (CP0C3_ISA + 1))) { /* microMIPS on reset when Config3.ISA is 3 */ env->hflags |= MIPS_HFLAG_M16; diff --git a/target/mips/translate_init.inc.c b/target/mips/translate_init.inc.c index b3320b9dc7..85da4a269c 100644 --- a/target/mips/translate_init.inc.c +++ b/target/mips/translate_init.inc.c @@ -320,7 +320,7 @@ const mips_def_t mips_defs[] = .CP1_fcr31_rw_bitmask = 0xFF83FFFF, .SEGBITS = 32, .PABITS = 32, - .insn_flags = CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP | ASE_DSPR2, + .insn_flags = CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP | ASE_DSP_R2, .mmu_type = MMU_TYPE_R4000, }, { @@ -411,6 +411,65 @@ const mips_def_t mips_defs[] = .mmu_type = MMU_TYPE_R4000, }, { + /* + * The Toshiba TX System RISC TX79 Core Architecture manual + * + * https://wiki.qemu.org/File:C790.pdf + * + * describes the C790 processor that is a follow-up to the R5900. + * There are a few notable differences in that the R5900 FPU + * + * - is not IEEE 754-1985 compliant, + * - does not implement double format, and + * - its machine code is nonstandard. + */ + .name = "R5900", + .CP0_PRid = 0x00002E00, + /* No L2 cache, icache size 32k, dcache size 32k, uncached coherency. */ + .CP0_Config0 = (0x3 << 9) | (0x3 << 6) | (0x2 << CP0C0_K0), + .CP0_Status_rw_bitmask = 0xF4C79C1F, +#ifdef CONFIG_USER_ONLY + /* + * R5900 hardware traps to the Linux kernel for IEEE 754-1985 and LL/SC + * emulation. For user only, QEMU is the kernel, so we emulate the traps + * by simply emulating the instructions directly. + * + * Note: Config1 is only used internally, the R5900 has only Config0. + */ + .CP0_Config1 = (1 << CP0C1_FP) | (47 << CP0C1_MMU), + .CP0_LLAddr_rw_bitmask = 0xFFFFFFFF, + .CP0_LLAddr_shift = 4, + .CP1_fcr0 = (0x38 << FCR0_PRID) | (0x0 << FCR0_REV), + .CP1_fcr31 = 0, + .CP1_fcr31_rw_bitmask = 0x0183FFFF, +#else + /* + * The R5900 COP1 FPU implements single-precision floating-point + * operations but is not entirely IEEE 754-1985 compatible. In + * particular, + * + * - NaN (not a number) and +/- infinities are not supported; + * - exception mechanisms are not fully supported; + * - denormalized numbers are not supported; + * - rounding towards nearest and +/- infinities are not supported; + * - computed results usually differs in the least significant bit; + * - saturations can differ more than the least significant bit. + * + * Since only rounding towards zero is supported, the two least + * significant bits of FCR31 are hardwired to 01. + * + * FPU emulation is disabled here until it is implemented. + * + * Note: Config1 is only used internally, the R5900 has only Config0. + */ + .CP0_Config1 = (47 << CP0C1_MMU), +#endif /* !CONFIG_USER_ONLY */ + .SEGBITS = 32, + .PABITS = 32, + .insn_flags = CPU_R5900 | ASE_MMI, + .mmu_type = MMU_TYPE_R4000, + }, + { /* A generic CPU supporting MIPS32 Release 6 ISA. FIXME: Support IEEE 754-2008 FP. Eventually this should be replaced by a real CPU model. */ @@ -485,7 +544,8 @@ const mips_def_t mips_defs[] = .CP1_fcr31 = (1 << FCR31_ABS2008) | (1 << FCR31_NAN2008), .SEGBITS = 32, .PABITS = 32, - .insn_flags = CPU_NANOMIPS32 | ASE_DSP | ASE_DSPR2 | ASE_MT, + .insn_flags = CPU_NANOMIPS32 | ASE_DSP | ASE_DSP_R2 | ASE_DSP_R3 | + ASE_MT, .mmu_type = MMU_TYPE_R4000, }, #if defined(TARGET_MIPS64) @@ -761,7 +821,7 @@ const mips_def_t mips_defs[] = .mmu_type = MMU_TYPE_R4000, }, { - /* A generic CPU providing MIPS64 ASE DSP 2 features. + /* A generic CPU providing MIPS64 DSP R2 ASE features. FIXME: Eventually this should be replaced by a real CPU model. */ .name = "mips64dspr2", .CP0_PRid = 0x00010000, @@ -786,7 +846,7 @@ const mips_def_t mips_defs[] = .CP1_fcr31_rw_bitmask = 0xFF83FFFF, .SEGBITS = 42, .PABITS = 36, - .insn_flags = CPU_MIPS64R2 | ASE_DSP | ASE_DSPR2, + .insn_flags = CPU_MIPS64R2 | ASE_DSP | ASE_DSP_R2, .mmu_type = MMU_TYPE_R4000, }, |