13e00884fSGautham R. Shenoy /* 2136fbf65Szhaolichang * PowerPC internal definitions for qemu. 33e00884fSGautham R. Shenoy * 43e00884fSGautham R. Shenoy * This library is free software; you can redistribute it and/or 53e00884fSGautham R. Shenoy * modify it under the terms of the GNU Lesser General Public 63e00884fSGautham R. Shenoy * License as published by the Free Software Foundation; either 76bd039cdSChetan Pant * version 2.1 of the License, or (at your option) any later version. 83e00884fSGautham R. Shenoy * 93e00884fSGautham R. Shenoy * This library is distributed in the hope that it will be useful, 103e00884fSGautham R. Shenoy * but WITHOUT ANY WARRANTY; without even the implied warranty of 113e00884fSGautham R. Shenoy * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 123e00884fSGautham R. Shenoy * Lesser General Public License for more details. 133e00884fSGautham R. Shenoy * 143e00884fSGautham R. Shenoy * You should have received a copy of the GNU Lesser General Public 153e00884fSGautham R. Shenoy * License along with this library; if not, see <http://www.gnu.org/licenses/>. 163e00884fSGautham R. Shenoy */ 173e00884fSGautham R. Shenoy 183e00884fSGautham R. Shenoy #ifndef PPC_INTERNAL_H 193e00884fSGautham R. Shenoy #define PPC_INTERNAL_H 203e00884fSGautham R. Shenoy 216ce1c9d0SPhilippe Mathieu-Daudé #include "exec/breakpoint.h" 2234553153SLucas Mateus Castro (alqotel) #include "hw/registerfields.h" 2374781c08SPhilippe Mathieu-Daudé #include "exec/page-protection.h" 2434553153SLucas Mateus Castro (alqotel) 251978a41bSPhilippe Mathieu-Daudé /* PM instructions */ 261978a41bSPhilippe Mathieu-Daudé typedef enum { 271978a41bSPhilippe Mathieu-Daudé PPC_PM_DOZE, 281978a41bSPhilippe Mathieu-Daudé PPC_PM_NAP, 291978a41bSPhilippe Mathieu-Daudé PPC_PM_SLEEP, 301978a41bSPhilippe Mathieu-Daudé PPC_PM_RVWINKLE, 311978a41bSPhilippe Mathieu-Daudé PPC_PM_STOP, 321978a41bSPhilippe Mathieu-Daudé } powerpc_pm_insn_t; 331978a41bSPhilippe Mathieu-Daudé 343e00884fSGautham R. Shenoy #define FUNC_MASK(name, ret_type, size, max_val) \ 353e00884fSGautham R. Shenoy static inline ret_type name(uint##size##_t start, \ 363e00884fSGautham R. Shenoy uint##size##_t end) \ 373e00884fSGautham R. Shenoy { \ 383e00884fSGautham R. Shenoy ret_type ret, max_bit = size - 1; \ 393e00884fSGautham R. Shenoy \ 403e00884fSGautham R. Shenoy if (likely(start == 0)) { \ 413e00884fSGautham R. Shenoy ret = max_val << (max_bit - end); \ 423e00884fSGautham R. Shenoy } else if (likely(end == max_bit)) { \ 433e00884fSGautham R. Shenoy ret = max_val >> start; \ 443e00884fSGautham R. Shenoy } else { \ 453e00884fSGautham R. Shenoy ret = (((uint##size##_t)(-1ULL)) >> (start)) ^ \ 463e00884fSGautham R. Shenoy (((uint##size##_t)(-1ULL) >> (end)) >> 1); \ 473e00884fSGautham R. Shenoy if (unlikely(start > end)) { \ 483e00884fSGautham R. Shenoy return ~ret; \ 493e00884fSGautham R. Shenoy } \ 503e00884fSGautham R. Shenoy } \ 513e00884fSGautham R. Shenoy \ 523e00884fSGautham R. Shenoy return ret; \ 533e00884fSGautham R. Shenoy } 543e00884fSGautham R. Shenoy 553e00884fSGautham R. Shenoy #if defined(TARGET_PPC64) 563e00884fSGautham R. Shenoy FUNC_MASK(MASK, target_ulong, 64, UINT64_MAX); 573e00884fSGautham R. Shenoy #else 583e00884fSGautham R. Shenoy FUNC_MASK(MASK, target_ulong, 32, UINT32_MAX); 593e00884fSGautham R. Shenoy #endif 603e00884fSGautham R. Shenoy FUNC_MASK(mask_u32, uint32_t, 32, UINT32_MAX); 613e00884fSGautham R. Shenoy FUNC_MASK(mask_u64, uint64_t, 64, UINT64_MAX); 623e00884fSGautham R. Shenoy 63985e3023SBharata B Rao /*****************************************************************************/ 64985e3023SBharata B Rao /*** Instruction decoding ***/ 65985e3023SBharata B Rao #define EXTRACT_HELPER(name, shift, nb) \ 66985e3023SBharata B Rao static inline uint32_t name(uint32_t opcode) \ 67985e3023SBharata B Rao { \ 684c23c2a5SMark Cave-Ayland return extract32(opcode, shift, nb); \ 69985e3023SBharata B Rao } 70985e3023SBharata B Rao 71985e3023SBharata B Rao #define EXTRACT_SHELPER(name, shift, nb) \ 72985e3023SBharata B Rao static inline int32_t name(uint32_t opcode) \ 73985e3023SBharata B Rao { \ 744c23c2a5SMark Cave-Ayland return sextract32(opcode, shift, nb); \ 75985e3023SBharata B Rao } 76985e3023SBharata B Rao 77985e3023SBharata B Rao #define EXTRACT_HELPER_SPLIT(name, shift1, nb1, shift2, nb2) \ 78985e3023SBharata B Rao static inline uint32_t name(uint32_t opcode) \ 79985e3023SBharata B Rao { \ 804c23c2a5SMark Cave-Ayland return extract32(opcode, shift1, nb1) << nb2 | \ 814c23c2a5SMark Cave-Ayland extract32(opcode, shift2, nb2); \ 82985e3023SBharata B Rao } 83985e3023SBharata B Rao 84403a884aSNikunj A Dadhania #define EXTRACT_HELPER_SPLIT_3(name, \ 85985e3023SBharata B Rao d0_bits, shift_op_d0, shift_d0, \ 86985e3023SBharata B Rao d1_bits, shift_op_d1, shift_d1, \ 87985e3023SBharata B Rao d2_bits, shift_op_d2, shift_d2) \ 88985e3023SBharata B Rao static inline int16_t name(uint32_t opcode) \ 89985e3023SBharata B Rao { \ 90985e3023SBharata B Rao return \ 91985e3023SBharata B Rao (((opcode >> (shift_op_d0)) & ((1 << (d0_bits)) - 1)) << (shift_d0)) | \ 92985e3023SBharata B Rao (((opcode >> (shift_op_d1)) & ((1 << (d1_bits)) - 1)) << (shift_d1)) | \ 93985e3023SBharata B Rao (((opcode >> (shift_op_d2)) & ((1 << (d2_bits)) - 1)) << (shift_d2)); \ 94985e3023SBharata B Rao } 95985e3023SBharata B Rao 96985e3023SBharata B Rao 97985e3023SBharata B Rao /* Opcode part 1 */ 98985e3023SBharata B Rao EXTRACT_HELPER(opc1, 26, 6); 99985e3023SBharata B Rao /* Opcode part 2 */ 100985e3023SBharata B Rao EXTRACT_HELPER(opc2, 1, 5); 101985e3023SBharata B Rao /* Opcode part 3 */ 102985e3023SBharata B Rao EXTRACT_HELPER(opc3, 6, 5); 103985e3023SBharata B Rao /* Opcode part 4 */ 104985e3023SBharata B Rao EXTRACT_HELPER(opc4, 16, 5); 105985e3023SBharata B Rao /* Update Cr0 flags */ 106985e3023SBharata B Rao EXTRACT_HELPER(Rc, 0, 1); 107985e3023SBharata B Rao /* Update Cr6 flags (Altivec) */ 108985e3023SBharata B Rao EXTRACT_HELPER(Rc21, 10, 1); 109985e3023SBharata B Rao /* Destination */ 110985e3023SBharata B Rao EXTRACT_HELPER(rD, 21, 5); 111985e3023SBharata B Rao /* Source */ 112985e3023SBharata B Rao EXTRACT_HELPER(rS, 21, 5); 113985e3023SBharata B Rao /* First operand */ 114985e3023SBharata B Rao EXTRACT_HELPER(rA, 16, 5); 115985e3023SBharata B Rao /* Second operand */ 116985e3023SBharata B Rao EXTRACT_HELPER(rB, 11, 5); 117985e3023SBharata B Rao /* Third operand */ 118985e3023SBharata B Rao EXTRACT_HELPER(rC, 6, 5); 119985e3023SBharata B Rao /*** Get CRn ***/ 120985e3023SBharata B Rao EXTRACT_HELPER(crfD, 23, 3); 121985e3023SBharata B Rao EXTRACT_HELPER(BF, 23, 3); 122985e3023SBharata B Rao EXTRACT_HELPER(crfS, 18, 3); 123985e3023SBharata B Rao EXTRACT_HELPER(crbD, 21, 5); 124985e3023SBharata B Rao EXTRACT_HELPER(crbA, 16, 5); 125985e3023SBharata B Rao EXTRACT_HELPER(crbB, 11, 5); 126985e3023SBharata B Rao /* SPR / TBL */ 127985e3023SBharata B Rao EXTRACT_HELPER(_SPR, 11, 10); 128985e3023SBharata B Rao static inline uint32_t SPR(uint32_t opcode) 129985e3023SBharata B Rao { 130985e3023SBharata B Rao uint32_t sprn = _SPR(opcode); 131985e3023SBharata B Rao 132985e3023SBharata B Rao return ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); 133985e3023SBharata B Rao } 134985e3023SBharata B Rao /*** Get constants ***/ 135985e3023SBharata B Rao /* 16 bits signed immediate value */ 136985e3023SBharata B Rao EXTRACT_SHELPER(SIMM, 0, 16); 137985e3023SBharata B Rao /* 16 bits unsigned immediate value */ 138985e3023SBharata B Rao EXTRACT_HELPER(UIMM, 0, 16); 139985e3023SBharata B Rao /* 5 bits signed immediate value */ 140ffcd21acSMark Cave-Ayland EXTRACT_SHELPER(SIMM5, 16, 5); 141985e3023SBharata B Rao /* 5 bits signed immediate value */ 142985e3023SBharata B Rao EXTRACT_HELPER(UIMM5, 16, 5); 143985e3023SBharata B Rao /* 4 bits unsigned immediate value */ 144985e3023SBharata B Rao EXTRACT_HELPER(UIMM4, 16, 4); 145985e3023SBharata B Rao /* Bit count */ 146985e3023SBharata B Rao EXTRACT_HELPER(NB, 11, 5); 147985e3023SBharata B Rao /* Shift count */ 148985e3023SBharata B Rao EXTRACT_HELPER(SH, 11, 5); 149a68a6146SBalamuruhan S /* lwat/stwat/ldat/lwat */ 150a68a6146SBalamuruhan S EXTRACT_HELPER(FC, 11, 5); 151985e3023SBharata B Rao /* Vector shift count */ 152985e3023SBharata B Rao EXTRACT_HELPER(VSH, 6, 4); 153985e3023SBharata B Rao /* Mask start */ 154985e3023SBharata B Rao EXTRACT_HELPER(MB, 6, 5); 155985e3023SBharata B Rao /* Mask end */ 156985e3023SBharata B Rao EXTRACT_HELPER(ME, 1, 5); 157985e3023SBharata B Rao /* Trap operand */ 158985e3023SBharata B Rao EXTRACT_HELPER(TO, 21, 5); 159985e3023SBharata B Rao 160985e3023SBharata B Rao EXTRACT_HELPER(CRM, 12, 8); 161985e3023SBharata B Rao 162985e3023SBharata B Rao #ifndef CONFIG_USER_ONLY 163985e3023SBharata B Rao EXTRACT_HELPER(SR, 16, 4); 164985e3023SBharata B Rao #endif 165985e3023SBharata B Rao 166985e3023SBharata B Rao /* mtfsf/mtfsfi */ 167985e3023SBharata B Rao EXTRACT_HELPER(FPBF, 23, 3); 168985e3023SBharata B Rao EXTRACT_HELPER(FPIMM, 12, 4); 169985e3023SBharata B Rao EXTRACT_HELPER(FPL, 25, 1); 170985e3023SBharata B Rao EXTRACT_HELPER(FPFLM, 17, 8); 171985e3023SBharata B Rao EXTRACT_HELPER(FPW, 16, 1); 172985e3023SBharata B Rao 173985e3023SBharata B Rao /* addpcis */ 174403a884aSNikunj A Dadhania EXTRACT_HELPER_SPLIT_3(DX, 10, 6, 6, 5, 16, 1, 1, 0, 0) 175985e3023SBharata B Rao #if defined(TARGET_PPC64) 176985e3023SBharata B Rao /* darn */ 177985e3023SBharata B Rao EXTRACT_HELPER(L, 16, 2); 178985e3023SBharata B Rao #endif 1790c9717ffSNicholas Piggin /* wait */ 1800c9717ffSNicholas Piggin EXTRACT_HELPER(WC, 21, 2); 1810c9717ffSNicholas Piggin EXTRACT_HELPER(PL, 16, 2); 182985e3023SBharata B Rao 183985e3023SBharata B Rao /*** Jump target decoding ***/ 184985e3023SBharata B Rao /* Immediate address */ 185985e3023SBharata B Rao static inline target_ulong LI(uint32_t opcode) 186985e3023SBharata B Rao { 187985e3023SBharata B Rao return (opcode >> 0) & 0x03FFFFFC; 188985e3023SBharata B Rao } 189985e3023SBharata B Rao 190985e3023SBharata B Rao static inline uint32_t BD(uint32_t opcode) 191985e3023SBharata B Rao { 192985e3023SBharata B Rao return (opcode >> 0) & 0xFFFC; 193985e3023SBharata B Rao } 194985e3023SBharata B Rao 195985e3023SBharata B Rao EXTRACT_HELPER(BO, 21, 5); 196985e3023SBharata B Rao EXTRACT_HELPER(BI, 16, 5); 197985e3023SBharata B Rao /* Absolute/relative address */ 198985e3023SBharata B Rao EXTRACT_HELPER(AA, 1, 1); 199985e3023SBharata B Rao /* Link */ 200985e3023SBharata B Rao EXTRACT_HELPER(LK, 0, 1); 201985e3023SBharata B Rao 202985e3023SBharata B Rao /* DFP Z22-form */ 203985e3023SBharata B Rao EXTRACT_HELPER(DCM, 10, 6) 204985e3023SBharata B Rao 205985e3023SBharata B Rao /* DFP Z23-form */ 206985e3023SBharata B Rao EXTRACT_HELPER(RMC, 9, 2) 207be07ad58SJose Ricardo Ziviani EXTRACT_HELPER(Rrm, 16, 1) 208985e3023SBharata B Rao 209d59ba583SNikunj A Dadhania EXTRACT_HELPER_SPLIT(DQxT, 3, 1, 21, 5); 210985e3023SBharata B Rao EXTRACT_HELPER_SPLIT(xT, 0, 1, 21, 5); 211985e3023SBharata B Rao EXTRACT_HELPER_SPLIT(xS, 0, 1, 21, 5); 212985e3023SBharata B Rao EXTRACT_HELPER_SPLIT(xA, 2, 1, 16, 5); 213985e3023SBharata B Rao EXTRACT_HELPER_SPLIT(xB, 1, 1, 11, 5); 214985e3023SBharata B Rao EXTRACT_HELPER_SPLIT(xC, 3, 1, 6, 5); 215985e3023SBharata B Rao EXTRACT_HELPER(DM, 8, 2); 216985e3023SBharata B Rao EXTRACT_HELPER(UIM, 16, 2); 217985e3023SBharata B Rao EXTRACT_HELPER(SHW, 8, 2); 218985e3023SBharata B Rao EXTRACT_HELPER(SP, 19, 2); 219985e3023SBharata B Rao EXTRACT_HELPER(IMM8, 11, 8); 22078241762SNikunj A Dadhania EXTRACT_HELPER(DCMX, 16, 7); 221403a884aSNikunj A Dadhania EXTRACT_HELPER_SPLIT_3(DCMX_XV, 5, 16, 0, 1, 2, 5, 1, 6, 6); 222985e3023SBharata B Rao 223f566c047SBharata B Rao void helper_compute_fprf_float16(CPUPPCState *env, float16 arg); 2249aeae8e1SBharata B Rao void helper_compute_fprf_float32(CPUPPCState *env, float32 arg); 22507bdd247SBharata B Rao void helper_compute_fprf_float128(CPUPPCState *env, float128 arg); 2260f3110faSRichard Henderson 2277468e2c8SBruno Larsen (billionai) /* translate.c */ 2287468e2c8SBruno Larsen (billionai) 2297468e2c8SBruno Larsen (billionai) int ppc_fixup_cpu(PowerPCCPU *cpu); 2307468e2c8SBruno Larsen (billionai) void create_ppc_opcodes(PowerPCCPU *cpu, Error **errp); 2317468e2c8SBruno Larsen (billionai) void destroy_ppc_opcodes(PowerPCCPU *cpu); 2327468e2c8SBruno Larsen (billionai) 23335a5d74eSBruno Larsen (billionai) /* gdbstub.c */ 23435a5d74eSBruno Larsen (billionai) void ppc_gdb_init(CPUState *cs, PowerPCCPUClass *ppc); 235a6506838SAkihiko Odaki const gchar *ppc_gdb_arch_name(CPUState *cs); 23635a5d74eSBruno Larsen (billionai) 237414fa2aaSPhilippe Mathieu-Daudé #ifndef CONFIG_USER_ONLY 238414fa2aaSPhilippe Mathieu-Daudé 239cd1038ecSBALATON Zoltan /* Check if permission bit required for the access_type is set in prot */ 240cd1038ecSBALATON Zoltan static inline int check_prot_access_type(int prot, MMUAccessType access_type) 241cd1038ecSBALATON Zoltan { 242cd1038ecSBALATON Zoltan return prot & (1 << access_type); 243cd1038ecSBALATON Zoltan } 244cd1038ecSBALATON Zoltan 2455118ebe8SLucas Mateus Castro (alqotel) /* PowerPC MMU emulation */ 2465118ebe8SLucas Mateus Castro (alqotel) 2475118ebe8SLucas Mateus Castro (alqotel) bool ppc_xlate(PowerPCCPU *cpu, vaddr eaddr, MMUAccessType access_type, 2485118ebe8SLucas Mateus Castro (alqotel) hwaddr *raddrp, int *psizep, int *protp, 2495118ebe8SLucas Mateus Castro (alqotel) int mmu_idx, bool guest_visible); 2506b9ea7f3SBALATON Zoltan 2515118ebe8SLucas Mateus Castro (alqotel) /* Software driven TLB helpers */ 2525118ebe8SLucas Mateus Castro (alqotel) int ppc6xx_tlb_getnum(CPUPPCState *env, target_ulong eaddr, 2535118ebe8SLucas Mateus Castro (alqotel) int way, int is_code); 2545118ebe8SLucas Mateus Castro (alqotel) 255414fa2aaSPhilippe Mathieu-Daudé #endif /* !CONFIG_USER_ONLY */ 256414fa2aaSPhilippe Mathieu-Daudé 2575118ebe8SLucas Mateus Castro (alqotel) /* Common routines used by software and hardware TLBs emulation */ 2585118ebe8SLucas Mateus Castro (alqotel) static inline int pte_is_valid(target_ulong pte0) 2595118ebe8SLucas Mateus Castro (alqotel) { 2605118ebe8SLucas Mateus Castro (alqotel) return pte0 & 0x80000000 ? 1 : 0; 2615118ebe8SLucas Mateus Castro (alqotel) } 2625118ebe8SLucas Mateus Castro (alqotel) 2635118ebe8SLucas Mateus Castro (alqotel) static inline void pte_invalidate(target_ulong *pte0) 2645118ebe8SLucas Mateus Castro (alqotel) { 2655118ebe8SLucas Mateus Castro (alqotel) *pte0 &= ~0x80000000; 2665118ebe8SLucas Mateus Castro (alqotel) } 2675118ebe8SLucas Mateus Castro (alqotel) 2685118ebe8SLucas Mateus Castro (alqotel) #define PTE_PTEM_MASK 0x7FFFFFBF 2695118ebe8SLucas Mateus Castro (alqotel) #define PTE_CHECK_MASK (TARGET_PAGE_MASK | 0x7B) 2705118ebe8SLucas Mateus Castro (alqotel) 271215b2ee8SPhilippe Mathieu-Daudé uint32_t ppc_ldl_code(CPUArchState *env, target_ulong addr); 272215b2ee8SPhilippe Mathieu-Daudé 2731db8af5cSRichard Henderson #ifdef CONFIG_USER_ONLY 2741db8af5cSRichard Henderson void ppc_cpu_record_sigsegv(CPUState *cs, vaddr addr, 2751db8af5cSRichard Henderson MMUAccessType access_type, 2761db8af5cSRichard Henderson bool maperr, uintptr_t ra); 2771db8af5cSRichard Henderson #else 2781db8af5cSRichard Henderson bool ppc_cpu_tlb_fill(CPUState *cs, vaddr address, int size, 2791db8af5cSRichard Henderson MMUAccessType access_type, int mmu_idx, 2801db8af5cSRichard Henderson bool probe, uintptr_t retaddr); 2818905770bSMarc-André Lureau G_NORETURN void ppc_cpu_do_unaligned_access(CPUState *cs, vaddr addr, 282996473e4SRichard Henderson MMUAccessType access_type, int mmu_idx, 2838905770bSMarc-André Lureau uintptr_t retaddr); 28455a7fa34SNicholas Piggin void ppc_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, 28555a7fa34SNicholas Piggin vaddr addr, unsigned size, 28655a7fa34SNicholas Piggin MMUAccessType access_type, 28755a7fa34SNicholas Piggin int mmu_idx, MemTxAttrs attrs, 28855a7fa34SNicholas Piggin MemTxResult response, uintptr_t retaddr); 28914192307SNicholas Piggin void ppc_cpu_debug_excp_handler(CPUState *cs); 29014192307SNicholas Piggin bool ppc_cpu_debug_check_breakpoint(CPUState *cs); 291d5ee641cSNicholas Piggin bool ppc_cpu_debug_check_watchpoint(CPUState *cs, CPUWatchpoint *wp); 2922f96c00bSPhilippe Mathieu-Daudé 2932f96c00bSPhilippe Mathieu-Daudé G_NORETURN void powerpc_checkstop(CPUPPCState *env, const char *reason); 294*92c787deSPhilippe Mathieu-Daudé void powerpc_excp(PowerPCCPU *cpu, int excp); 295*92c787deSPhilippe Mathieu-Daudé 2962f96c00bSPhilippe Mathieu-Daudé #endif /* !CONFIG_USER_ONLY */ 2975118ebe8SLucas Mateus Castro (alqotel) 29834553153SLucas Mateus Castro (alqotel) FIELD(GER_MSK, XMSK, 0, 4) 29934553153SLucas Mateus Castro (alqotel) FIELD(GER_MSK, YMSK, 4, 4) 30034553153SLucas Mateus Castro (alqotel) FIELD(GER_MSK, PMSK, 8, 8) 30134553153SLucas Mateus Castro (alqotel) 30234553153SLucas Mateus Castro (alqotel) static inline int ger_pack_masks(int pmsk, int ymsk, int xmsk) 30334553153SLucas Mateus Castro (alqotel) { 30434553153SLucas Mateus Castro (alqotel) int msk = 0; 30534553153SLucas Mateus Castro (alqotel) msk = FIELD_DP32(msk, GER_MSK, XMSK, xmsk); 30634553153SLucas Mateus Castro (alqotel) msk = FIELD_DP32(msk, GER_MSK, YMSK, ymsk); 30734553153SLucas Mateus Castro (alqotel) msk = FIELD_DP32(msk, GER_MSK, PMSK, pmsk); 30834553153SLucas Mateus Castro (alqotel) return msk; 30934553153SLucas Mateus Castro (alqotel) } 31034553153SLucas Mateus Castro (alqotel) 3113e00884fSGautham R. Shenoy #endif /* PPC_INTERNAL_H */ 312