/* SPDX-License-Identifier: GPL-2.0-or-later */ /*************************************************************************** * Copyright (C) 2008 by Spencer Oliver * * spen@spen-soft.co.uk * * * * Copyright (C) 2008 by David T.L. Wong * * * * Copyright (C) 2011 by Drasko DRASKOVIC * * drasko.draskovic@gmail.com * ***************************************************************************/ #ifndef OPENOCD_TARGET_MIPS32_H #define OPENOCD_TARGET_MIPS32_H #include #include "target.h" #include "mips32_pracc.h" #define MIPS32_COMMON_MAGIC 0xB320B320U /** * Memory segments (32bit kernel mode addresses) * These are the traditional names used in the 32-bit universe. */ #define KUSEG 0x00000000 #define KSEG0 0x80000000 #define KSEG1 0xa0000000 #define KSEG2 0xc0000000 #define KSEG3 0xe0000000 /** Returns the kernel segment base of a given address */ #define KSEGX(a) ((a) & 0xe0000000) /** CP0 CONFIG register fields */ #define MIPS32_CONFIG0_KU_SHIFT 25 #define MIPS32_CONFIG0_KU_MASK (0x7 << MIPS32_CONFIG0_KU_SHIFT) #define MIPS32_CONFIG0_K0_SHIFT 0 #define MIPS32_CONFIG0_K0_MASK (0x7 << MIPS32_CONFIG0_K0_SHIFT) #define MIPS32_CONFIG0_K23_SHIFT 28 #define MIPS32_CONFIG0_K23_MASK (0x7 << MIPS32_CONFIG0_K23_SHIFT) #define MIPS32_CONFIG0_AR_SHIFT 10 #define MIPS32_CONFIG0_AR_MASK (0x7 << MIPS32_CONFIG0_AR_SHIFT) #define MIPS32_CONFIG1_FP_SHIFT 0 #define MIPS32_CONFIG1_FP_MASK BIT(MIPS32_CONFIG1_FP_SHIFT) #define MIPS32_CONFIG1_DL_SHIFT 10 #define MIPS32_CONFIG1_DL_MASK (0x7 << MIPS32_CONFIG1_DL_SHIFT) #define MIPS32_CONFIG3_CDMM_SHIFT 3 #define MIPS32_CONFIG3_CDMM_MASK BIT(MIPS32_CONFIG3_CDMM_SHIFT) #define MIPS32_CONFIG3_DSPP_SHIFT 10 #define MIPS32_CONFIG3_DSPP_MASK BIT(MIPS32_CONFIG3_DSPP_SHIFT) #define MIPS32_CONFIG3_DSPREV_SHIFT 11 #define MIPS32_CONFIG3_DSPREV_MASK BIT(MIPS32_CONFIG3_DSPREV_SHIFT) #define MIPS32_CONFIG3_ISA_SHIFT 14 #define MIPS32_CONFIG3_ISA_MASK (3 << MIPS32_CONFIG3_ISA_SHIFT) #define MIPS32_ARCH_REL1 0x0 #define MIPS32_ARCH_REL2 0x1 #define MIPS32_SCAN_DELAY_LEGACY_MODE 2000000 #define MIPS32_NUM_DSPREGS 9 /* Bit Mask indicating CP0 register supported by this core */ #define MIPS_CP0_MK4 0x0001 #define MIPS_CP0_MAPTIV_UC 0x0002 #define MIPS_CP0_MAPTIV_UP 0x0004 #define MIPS_CP0_IAPTIV 0x0008 /* CP0 Status register fields */ #define MIPS32_CP0_STATUS_FR_SHIFT 26 #define MIPS32_CP0_STATUS_CU1_SHIFT 29 /* CP1 FIR register fields */ #define MIPS32_CP1_FIR_F64_SHIFT 22 static const struct { unsigned int reg; unsigned int sel; const char *name; const unsigned int core; } mips32_cp0_regs[] = { {0, 0, "index", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP}, {0, 1, "mvpcontrol", MIPS_CP0_IAPTIV}, {0, 2, "mvpconf0", MIPS_CP0_IAPTIV}, {0, 3, "mvpconf1", MIPS_CP0_IAPTIV}, {1, 0, "random", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP}, {1, 1, "vpecontrol", MIPS_CP0_IAPTIV}, {1, 2, "vpeconf0", MIPS_CP0_IAPTIV}, {1, 3, "vpeconf1", MIPS_CP0_IAPTIV}, {1, 4, "yqmask", MIPS_CP0_IAPTIV}, {1, 5, "vpeschedule", MIPS_CP0_IAPTIV}, {1, 6, "vpeschefback", MIPS_CP0_IAPTIV}, {1, 7, "vpeopt", MIPS_CP0_IAPTIV}, {2, 0, "entrylo0", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP}, {2, 1, "tcstatus", MIPS_CP0_IAPTIV}, {2, 2, "tcbind", MIPS_CP0_IAPTIV}, {2, 3, "tcrestart", MIPS_CP0_IAPTIV}, {2, 4, "tchalt", MIPS_CP0_IAPTIV}, {2, 5, "tccontext", MIPS_CP0_IAPTIV}, {2, 6, "tcschedule", MIPS_CP0_IAPTIV}, {2, 7, "tcschefback", MIPS_CP0_IAPTIV}, {3, 0, "entrylo1", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP}, {3, 7, "tcopt", MIPS_CP0_IAPTIV}, {4, 0, "context", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP}, {4, 2, "userlocal", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {5, 0, "pagemask", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP}, {5, 1, "pagegrain", MIPS_CP0_MAPTIV_UP}, {5, 2, "segctl0", MIPS_CP0_IAPTIV}, {5, 3, "segctl1", MIPS_CP0_IAPTIV}, {5, 4, "segctl2", MIPS_CP0_IAPTIV}, {6, 0, "wired", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP}, {6, 1, "srsconf0", MIPS_CP0_IAPTIV}, {6, 2, "srsconf1", MIPS_CP0_IAPTIV}, {6, 3, "srsconf2", MIPS_CP0_IAPTIV}, {6, 4, "srsconf3", MIPS_CP0_IAPTIV}, {6, 5, "srsconf4", MIPS_CP0_IAPTIV}, {7, 0, "hwrena", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {8, 0, "badvaddr", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {8, 1, "badinstr", MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP}, {8, 2, "badinstrp", MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP}, {9, 0, "count", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {10, 0, "entryhi", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP}, {10, 4, "guestctl1", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MK4}, {10, 5, "guestctl2", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MK4}, {10, 6, "guestctl3", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MK4}, {11, 0, "compare", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {11, 4, "guestctl0ext", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MK4}, {12, 0, "status", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {12, 1, "intctl", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {12, 2, "srsctl", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {12, 3, "srsmap", MIPS_CP0_IAPTIV}, {12, 3, "srsmap1", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP}, {12, 4, "view_ipl", MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {12, 5, "srsmap2", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP}, {12, 6, "guestctl0", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MK4}, {12, 7, "gtoffset", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MK4}, {13, 0, "cause", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {13, 5, "nestedexc", MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {14, 0, "epc", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {14, 2, "nestedepc", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {15, 0, "prid", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {15, 1, "ebase", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {15, 2, "cdmmbase", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {15, 3, "cmgcrbase", MIPS_CP0_IAPTIV}, {16, 0, "config", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {16, 1, "config1", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {16, 2, "config2", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {16, 3, "config3", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {16, 4, "config4", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {16, 5, "config5", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {16, 7, "config7", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {17, 0, "lladdr", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {18, 0, "watchlo0", MIPS_CP0_IAPTIV}, {18, 1, "watchlo1", MIPS_CP0_IAPTIV}, {18, 2, "watchlo2", MIPS_CP0_IAPTIV}, {18, 3, "watchlo3", MIPS_CP0_IAPTIV}, {19, 0, "watchhi0", MIPS_CP0_IAPTIV}, {19, 1, "watchhi1", MIPS_CP0_IAPTIV}, {19, 2, "watchhi2", MIPS_CP0_IAPTIV}, {19, 3, "watchhi3", MIPS_CP0_IAPTIV}, {23, 0, "debug", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {23, 1, "tracecontrol", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {23, 2, "tracecontrol2", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {23, 3, "usertracedata1", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {23, 4, "tracebpc", MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {23, 4, "traceibpc", MIPS_CP0_IAPTIV}, {23, 5, "tracedbpc", MIPS_CP0_IAPTIV}, {24, 0, "depc", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {24, 2, "tracecontrol3", MIPS_CP0_IAPTIV}, {24, 3, "usertracedata2", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {25, 0, "perfctl0", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {25, 1, "perfcnt0", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {25, 2, "perfctl1", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {25, 3, "perfcnt1", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {26, 0, "errctl", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {27, 0, "cacheerr", MIPS_CP0_IAPTIV}, {28, 0, "itaglo", MIPS_CP0_IAPTIV}, {28, 0, "taglo", MIPS_CP0_IAPTIV}, {28, 1, "idatalo", MIPS_CP0_IAPTIV}, {28, 1, "datalo", MIPS_CP0_IAPTIV}, {28, 2, "dtaglo", MIPS_CP0_IAPTIV}, {28, 3, "ddatalo", MIPS_CP0_IAPTIV}, {28, 4, "l23taglo", MIPS_CP0_IAPTIV}, {28, 5, "l23datalo", MIPS_CP0_IAPTIV}, {29, 1, "idatahi", MIPS_CP0_IAPTIV}, {29, 2, "dtaghi", MIPS_CP0_IAPTIV}, {29, 5, "l23datahi", MIPS_CP0_IAPTIV}, {30, 0, "errorepc", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {31, 0, "desave", MIPS_CP0_IAPTIV | MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP | MIPS_CP0_MK4}, {31, 2, "kscratch1", MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP}, {31, 3, "kscratch2", MIPS_CP0_MAPTIV_UC | MIPS_CP0_MAPTIV_UP}, }; #define MIPS32NUMCP0REGS ((int)ARRAY_SIZE(mips32_cp0_regs)) /* Insert extra NOPs after the DRET instruction on exit from debug. */ #define EJTAG_QUIRK_PAD_DRET BIT(0) /* offsets into mips32 core register cache */ enum { MIPS32_PC = 37, MIPS32_FIR = 71, MIPS32NUMCOREREGS }; /* offsets into mips32 core register cache */ #define MIPS32_REG_GP_COUNT 34 #define MIPS32_REG_FP_COUNT 32 #define MIPS32_REG_FPC_COUNT 2 #define MIPS32_REG_C0_COUNT 5 #define MIPS32_REGLIST_GP_INDEX 0 #define MIPS32_REGLIST_FP_INDEX (MIPS32_REGLIST_GP_INDEX + MIPS32_REG_GP_COUNT) #define MIPS32_REGLIST_FPC_INDEX (MIPS32_REGLIST_FP_INDEX + MIPS32_REG_FP_COUNT) #define MIPS32_REGLIST_C0_INDEX (MIPS32_REGLIST_FPC_INDEX + MIPS32_REG_FPC_COUNT) #define MIPS32_REGLIST_C0_STATUS_INDEX (MIPS32_REGLIST_C0_INDEX + 0) #define MIPS32_REGLIST_C0_BADVADDR_INDEX (MIPS32_REGLIST_C0_INDEX + 1) #define MIPS32_REGLIST_C0_CAUSE_INDEX (MIPS32_REGLIST_C0_INDEX + 2) #define MIPS32_REGLIST_C0_PC_INDEX (MIPS32_REGLIST_C0_INDEX + 3) #define MIPS32_REGLIST_C0_GUESTCTL1_INDEX (MIPS32_REGLIST_C0_INDEX + 4) #define MIPS32_REG_C0_STATUS_INDEX 0 #define MIPS32_REG_C0_BADVADDR_INDEX 1 #define MIPS32_REG_C0_CAUSE_INDEX 2 #define MIPS32_REG_C0_PC_INDEX 3 #define MIPS32_REG_C0_GUESTCTL1_INDEX 4 enum mips32_isa_mode { MIPS32_ISA_MIPS32 = 0, MIPS32_ISA_MIPS16E = 1, MIPS32_ISA_MMIPS32 = 3, }; enum mips32_isa_imp { MIPS32_ONLY = 0, MMIPS32_ONLY = 1, MIPS32_MIPS16 = 2, MIPS32_MMIPS32 = 3, }; /* Release 2~5 does not have much change regarding to the ISA under User mode, * therefore no new Architecture Revision(AR) level is assigned to them. * Release 6 changed some instruction's encoding/mnemonic, removed instructions that * has lost its purposes/none are using, and added some new instructions as well. */ enum mips32_isa_rel { MIPS32_RELEASE_1 = 0, MIPS32_RELEASE_2 = 1, MIPS32_RELEASE_6 = 2, MIPS32_RELEASE_UNKNOWN, }; enum mips32_fp_imp { MIPS32_FP_IMP_NONE = 0, MIPS32_FP_IMP_32 = 1, MIPS32_FP_IMP_64 = 2, MIPS32_FP_IMP_UNKNOWN = 3, }; enum mips32_dsp_imp { MIPS32_DSP_IMP_NONE = 0, MIPS32_DSP_IMP_REV1 = 1, MIPS32_DSP_IMP_REV2 = 2, }; struct mips32_comparator { int used; uint32_t bp_value; uint32_t reg_address; }; struct mips32_core_regs { uint32_t gpr[MIPS32_REG_GP_COUNT]; uint64_t fpr[MIPS32_REG_FP_COUNT]; uint32_t fpcr[MIPS32_REG_FPC_COUNT]; uint32_t cp0[MIPS32_REG_C0_COUNT]; }; struct mips32_common { unsigned int common_magic; void *arch_info; struct reg_cache *core_cache; struct mips_ejtag ejtag_info; struct mips32_core_regs core_regs; enum mips32_isa_mode isa_mode; enum mips32_isa_imp isa_imp; enum mips32_isa_rel isa_rel; enum mips32_fp_imp fp_imp; enum mips32_dsp_imp dsp_imp; int fdc; int semihosting; uint32_t cp0_mask; /* FPU enabled (cp0.status.cu1) */ bool fpu_enabled; /* FPU mode (cp0.status.fr) */ bool fpu_in_64bit; /* processor identification register */ uint32_t prid; /* CPU specific quirks */ uint32_t cpu_quirks; /* working area for fastdata access */ struct working_area *fast_data_area; int bp_scanned; int num_inst_bpoints; int num_data_bpoints; int num_inst_bpoints_avail; int num_data_bpoints_avail; struct mips32_comparator *inst_break_list; struct mips32_comparator *data_break_list; /* register cache to processor synchronization */ int (*read_core_reg)(struct target *target, unsigned int num); int (*write_core_reg)(struct target *target, unsigned int num); }; static inline struct mips32_common * target_to_mips32(struct target *target) { return target->arch_info; } struct mips32_core_reg { uint32_t num; struct target *target; struct mips32_common *mips32_common; }; struct mips32_algorithm { unsigned int common_magic; enum mips32_isa_mode isa_mode; }; #define MIPS32_OP_ADDU 0x21u #define MIPS32_OP_ADDIU 0x09u #define MIPS32_OP_ANDI 0x0Cu #define MIPS32_OP_BEQ 0x04u #define MIPS32_OP_BGTZ 0x07u #define MIPS32_OP_BNE 0x05u #define MIPS32_OP_ADDI 0x08u #define MIPS32_OP_AND 0x24u #define MIPS32_OP_CACHE 0x2Fu #define MIPS32_OP_COP0 0x10u #define MIPS32_OP_J 0x02u #define MIPS32_OP_JR 0x08u #define MIPS32_OP_LUI 0x0Fu #define MIPS32_OP_LW 0x23u #define MIPS32_OP_LB 0x20u #define MIPS32_OP_LBU 0x24u #define MIPS32_OP_LHU 0x25u #define MIPS32_OP_MFHI 0x10u #define MIPS32_OP_MTHI 0x11u #define MIPS32_OP_MFLO 0x12u #define MIPS32_OP_MTLO 0x13u #define MIPS32_OP_RDHWR 0x3Bu #define MIPS32_OP_SB 0x28u #define MIPS32_OP_SH 0x29u #define MIPS32_OP_SW 0x2Bu #define MIPS32_OP_ORI 0x0Du #define MIPS32_OP_XORI 0x0Eu #define MIPS32_OP_XOR 0x26u #define MIPS32_OP_SLTU 0x2Bu #define MIPS32_OP_SRL 0x02u #define MIPS32_OP_SRA 0x03u #define MIPS32_OP_SYNCI 0x1Fu #define MIPS32_OP_SLL 0x00u #define MIPS32_OP_SLTI 0x0Au #define MIPS32_OP_MOVN 0x0Bu #define MIPS32_OP_REGIMM 0x01u #define MIPS32_OP_SDBBP 0x3Fu #define MIPS32_OP_SPECIAL 0x00u #define MIPS32_OP_SPECIAL2 0x07u #define MIPS32_OP_SPECIAL3 0x1Fu #define MIPS32_COP0_MF 0x00u #define MIPS32_COP0_MT 0x04u #define MIPS32_R_INST(opcode, rs, rt, rd, shamt, funct) \ (((opcode) << 26) | ((rs) << 21) | ((rt) << 16) | ((rd) << 11) | ((shamt) << 6) | (funct)) #define MIPS32_I_INST(opcode, rs, rt, immd) \ (((opcode) << 26) | ((rs) << 21) | ((rt) << 16) | (immd)) #define MIPS32_J_INST(opcode, addr) (((opcode) << 26) | (addr)) #define MIPS32_ISA_NOP 0 #define MIPS32_ISA_ADDI(tar, src, val) MIPS32_I_INST(MIPS32_OP_ADDI, src, tar, val) #define MIPS32_ISA_ADDIU(tar, src, val) MIPS32_I_INST(MIPS32_OP_ADDIU, src, tar, val) #define MIPS32_ISA_ADDU(dst, src, tar) MIPS32_R_INST(MIPS32_OP_SPECIAL, src, tar, dst, 0, MIPS32_OP_ADDU) #define MIPS32_ISA_AND(dst, src, tar) MIPS32_R_INST(0, src, tar, dst, 0, MIPS32_OP_AND) #define MIPS32_ISA_ANDI(tar, src, val) MIPS32_I_INST(MIPS32_OP_ANDI, src, tar, val) #define MIPS32_ISA_B(off) MIPS32_ISA_BEQ(0, 0, off) #define MIPS32_ISA_BEQ(src, tar, off) MIPS32_I_INST(MIPS32_OP_BEQ, src, tar, off) #define MIPS32_ISA_BGTZ(reg, off) MIPS32_I_INST(MIPS32_OP_BGTZ, reg, 0, off) #define MIPS32_ISA_BNE(src, tar, off) MIPS32_I_INST(MIPS32_OP_BNE, src, tar, off) #define MIPS32_ISA_CACHE(op, off, base) MIPS32_I_INST(MIPS32_OP_CACHE, base, op, off) #define MIPS32_ISA_J(tar) MIPS32_J_INST(MIPS32_OP_J, (0x0FFFFFFFu & (tar)) >> 2) #define MIPS32_ISA_JR(reg) MIPS32_R_INST(0, reg, 0, 0, 0, MIPS32_OP_JR) #define MIPS32_ISA_LB(reg, off, base) MIPS32_I_INST(MIPS32_OP_LB, base, reg, off) #define MIPS32_ISA_LBU(reg, off, base) MIPS32_I_INST(MIPS32_OP_LBU, base, reg, off) #define MIPS32_ISA_LHU(reg, off, base) MIPS32_I_INST(MIPS32_OP_LHU, base, reg, off) #define MIPS32_ISA_LUI(reg, val) MIPS32_I_INST(MIPS32_OP_LUI, 0, reg, val) #define MIPS32_ISA_LW(reg, off, base) MIPS32_I_INST(MIPS32_OP_LW, base, reg, off) #define MIPS32_ISA_MFC0(gpr, cpr, sel) MIPS32_R_INST(MIPS32_OP_COP0, MIPS32_COP0_MF, gpr, cpr, 0, sel) #define MIPS32_ISA_MTC0(gpr, cpr, sel) MIPS32_R_INST(MIPS32_OP_COP0, MIPS32_COP0_MT, gpr, cpr, 0, sel) #define MIPS32_ISA_MFLO(reg) MIPS32_R_INST(0, 0, 0, reg, 0, MIPS32_OP_MFLO) #define MIPS32_ISA_MFHI(reg) MIPS32_R_INST(0, 0, 0, reg, 0, MIPS32_OP_MFHI) #define MIPS32_ISA_MTLO(reg) MIPS32_R_INST(0, reg, 0, 0, 0, MIPS32_OP_MTLO) #define MIPS32_ISA_MTHI(reg) MIPS32_R_INST(0, reg, 0, 0, 0, MIPS32_OP_MTHI) #define MIPS32_ISA_MOVN(dst, src, tar) MIPS32_R_INST(MIPS32_OP_SPECIAL, src, tar, dst, 0, MIPS32_OP_MOVN) #define MIPS32_ISA_ORI(tar, src, val) MIPS32_I_INST(MIPS32_OP_ORI, src, tar, val) #define MIPS32_ISA_RDHWR(tar, dst) MIPS32_R_INST(MIPS32_OP_SPECIAL3, 0, tar, dst, 0, MIPS32_OP_RDHWR) #define MIPS32_ISA_SB(reg, off, base) MIPS32_I_INST(MIPS32_OP_SB, base, reg, off) #define MIPS32_ISA_SH(reg, off, base) MIPS32_I_INST(MIPS32_OP_SH, base, reg, off) #define MIPS32_ISA_SW(reg, off, base) MIPS32_I_INST(MIPS32_OP_SW, base, reg, off) #define MIPS32_ISA_SLL(dst, src, sa) MIPS32_R_INST(MIPS32_OP_SPECIAL, 0, src, dst, sa, MIPS32_OP_SLL) #define MIPS32_ISA_SLTI(tar, src, val) MIPS32_I_INST(MIPS32_OP_SLTI, src, tar, val) #define MIPS32_ISA_SLTU(dst, src, tar) MIPS32_R_INST(MIPS32_OP_SPECIAL, src, tar, dst, 0, MIPS32_OP_SLTU) #define MIPS32_ISA_SRA(reg, src, off) MIPS32_R_INST(MIPS32_OP_SPECIAL, 0, src, reg, off, MIPS32_OP_SRA) #define MIPS32_ISA_SRL(reg, src, off) MIPS32_R_INST(MIPS32_OP_SPECIAL, 0, src, reg, off, MIPS32_OP_SRL) #define MIPS32_ISA_SYNC 0xFu #define MIPS32_ISA_SYNCI(off, base) MIPS32_I_INST(MIPS32_OP_REGIMM, base, MIPS32_OP_SYNCI, off) #define MIPS32_ISA_XOR(reg, val1, val2) MIPS32_R_INST(0, val1, val2, reg, 0, MIPS32_OP_XOR) #define MIPS32_ISA_XORI(tar, src, val) MIPS32_I_INST(MIPS32_OP_XORI, src, tar, val) #define MIPS32_ISA_SYNCI_STEP 0x1 /* reg num od address step size to be used with synci instruction */ /** * Cache operations definitions * Operation field is 5 bits long : * 1) bits 1..0 hold cache type * 2) bits 4..2 hold operation code */ #define MIPS32_CACHE_D_HIT_WRITEBACK ((0x1 << 0) | (0x6 << 2)) #define MIPS32_CACHE_I_HIT_INVALIDATE ((0x0 << 0) | (0x4 << 2)) /* ejtag specific instructions */ #define MIPS32_ISA_DRET 0x4200001Fu /* MIPS32_ISA_J_INST(MIPS32_ISA_OP_SPECIAL2, MIPS32_ISA_OP_SDBBP) */ #define MIPS32_ISA_SDBBP 0x7000003Fu #define MIPS16_ISA_SDBBP 0xE801u /*MICRO MIPS INSTRUCTIONS, see doc MD00582 */ #define POOL32A 0X00u #define POOL32AXF 0x3Cu #define POOL32B 0x08u #define POOL32I 0x10u #define MMIPS32_OP_ADDI 0x04u #define MMIPS32_OP_ADDIU 0x0Cu #define MMIPS32_OP_ADDU 0x150u #define MMIPS32_OP_AND 0x250u #define MMIPS32_OP_ANDI 0x34u #define MMIPS32_OP_BEQ 0x25u #define MMIPS32_OP_BGTZ 0x06u #define MMIPS32_OP_BNE 0x2Du #define MMIPS32_OP_CACHE 0x06u #define MMIPS32_OP_J 0x35u #define MMIPS32_OP_JALR 0x03Cu #define MMIPS32_OP_LB 0x07u #define MMIPS32_OP_LBU 0x05u #define MMIPS32_OP_LHU 0x0Du #define MMIPS32_OP_LUI 0x0Du #define MMIPS32_OP_LW 0x3Fu #define MMIPS32_OP_MFC0 0x03u #define MMIPS32_OP_MTC0 0x0Bu #define MMIPS32_OP_MFLO 0x075u #define MMIPS32_OP_MFHI 0x035u #define MMIPS32_OP_MTLO 0x0F5u #define MMIPS32_OP_MTHI 0x0B5u #define MMIPS32_OP_MOVN 0x018u #define MMIPS32_OP_ORI 0x14u #define MMIPS32_OP_RDHWR 0x1ACu #define MMIPS32_OP_SB 0x06u #define MMIPS32_OP_SH 0x0Eu #define MMIPS32_OP_SW 0x3Eu #define MMIPS32_OP_SLTU 0x390u #define MMIPS32_OP_SLL 0x000u #define MMIPS32_OP_SLTI 0x24u #define MMIPS32_OP_SRL 0x040u #define MMIPS32_OP_SYNCI 0x10u #define MMIPS32_OP_XOR 0x310u #define MMIPS32_OP_XORI 0x1Cu #define MMIPS32_ADDI(tar, src, val) MIPS32_I_INST(MMIPS32_OP_ADDI, tar, src, val) #define MMIPS32_ADDIU(tar, src, val) MIPS32_I_INST(MMIPS32_OP_ADDIU, tar, src, val) #define MMIPS32_ADDU(dst, src, tar) MIPS32_R_INST(POOL32A, tar, src, dst, 0, MMIPS32_OP_ADDU) #define MMIPS32_AND(dst, src, tar) MIPS32_R_INST(POOL32A, tar, src, dst, 0, MMIPS32_OP_AND) #define MMIPS32_ANDI(tar, src, val) MIPS32_I_INST(MMIPS32_OP_ANDI, tar, src, val) #define MMIPS32_B(off) MMIPS32_BEQ(0, 0, off) #define MMIPS32_BEQ(src, tar, off) MIPS32_I_INST(MMIPS32_OP_BEQ, tar, src, off) #define MMIPS32_BGTZ(reg, off) MIPS32_I_INST(POOL32I, MMIPS32_OP_BGTZ, reg, off) #define MMIPS32_BNE(src, tar, off) MIPS32_I_INST(MMIPS32_OP_BNE, tar, src, off) #define MMIPS32_CACHE(op, off, base) MIPS32_R_INST(POOL32B, op, base, MMIPS32_OP_CACHE << 1, 0, off) #define MMIPS32_J(tar) MIPS32_J_INST(MMIPS32_OP_J, ((0x07FFFFFFu & ((tar) >> 1)))) #define MMIPS32_JR(reg) MIPS32_R_INST(POOL32A, 0, reg, 0, MMIPS32_OP_JALR, POOL32AXF) #define MMIPS32_LB(reg, off, base) MIPS32_I_INST(MMIPS32_OP_LB, reg, base, off) #define MMIPS32_LBU(reg, off, base) MIPS32_I_INST(MMIPS32_OP_LBU, reg, base, off) #define MMIPS32_LHU(reg, off, base) MIPS32_I_INST(MMIPS32_OP_LHU, reg, base, off) #define MMIPS32_LUI(reg, val) MIPS32_I_INST(POOL32I, MMIPS32_OP_LUI, reg, val) #define MMIPS32_LW(reg, off, base) MIPS32_I_INST(MMIPS32_OP_LW, reg, base, off) #define MMIPS32_MFC0(gpr, cpr, sel) MIPS32_R_INST(POOL32A, gpr, cpr, sel, MMIPS32_OP_MFC0, POOL32AXF) #define MMIPS32_MFLO(reg) MIPS32_R_INST(POOL32A, 0, reg, 0, MMIPS32_OP_MFLO, POOL32AXF) #define MMIPS32_MFHI(reg) MIPS32_R_INST(POOL32A, 0, reg, 0, MMIPS32_OP_MFHI, POOL32AXF) #define MMIPS32_MTC0(gpr, cpr, sel) MIPS32_R_INST(POOL32A, gpr, cpr, sel, MMIPS32_OP_MTC0, POOL32AXF) #define MMIPS32_MTLO(reg) MIPS32_R_INST(POOL32A, 0, reg, 0, MMIPS32_OP_MTLO, POOL32AXF) #define MMIPS32_MTHI(reg) MIPS32_R_INST(POOL32A, 0, reg, 0, MMIPS32_OP_MTHI, POOL32AXF) #define MMIPS32_MOVN(dst, src, tar) MIPS32_R_INST(POOL32A, tar, src, dst, 0, MMIPS32_OP_MOVN) #define MMIPS32_NOP 0 #define MMIPS32_ORI(tar, src, val) MIPS32_I_INST(MMIPS32_OP_ORI, tar, src, val) #define MMIPS32_RDHWR(tar, dst) MIPS32_R_INST(POOL32A, dst, tar, 0, MMIPS32_OP_RDHWR, POOL32AXF) #define MMIPS32_SB(reg, off, base) MIPS32_I_INST(MMIPS32_OP_SB, reg, base, off) #define MMIPS32_SH(reg, off, base) MIPS32_I_INST(MMIPS32_OP_SH, reg, base, off) #define MMIPS32_SW(reg, off, base) MIPS32_I_INST(MMIPS32_OP_SW, reg, base, off) #define MMIPS32_SRL(reg, src, off) MIPS32_R_INST(POOL32A, reg, src, off, 0, MMIPS32_OP_SRL) #define MMIPS32_SLTU(dst, src, tar) MIPS32_R_INST(POOL32A, tar, src, dst, 0, MMIPS32_OP_SLTU) #define MMIPS32_SYNCI(off, base) MIPS32_I_INST(POOL32I, MMIPS32_OP_SYNCI, base, off) #define MMIPS32_SLL(dst, src, sa) MIPS32_R_INST(POOL32A, dst, src, sa, 0, MMIPS32_OP_SLL) #define MMIPS32_SLTI(tar, src, val) MIPS32_I_INST(MMIPS32_OP_SLTI, tar, src, val) #define MMIPS32_SYNC 0x00001A7Cu /* MIPS32_R_INST(POOL32A, 0, 0, 0, 0x1ADu, POOL32AXF) */ #define MMIPS32_XOR(reg, val1, val2) MIPS32_R_INST(POOL32A, val1, val2, reg, 0, MMIPS32_OP_XOR) #define MMIPS32_XORI(tar, src, val) MIPS32_I_INST(MMIPS32_OP_XORI, tar, src, val) #define MMIPS32_SYNCI_STEP 0x1u /* reg num od address step size to be used with synci instruction */ /* ejtag specific instructions */ #define MMIPS32_DRET 0x0000E37Cu /* MIPS32_R_INST(POOL32A, 0, 0, 0, 0x38D, POOL32AXF) */ #define MMIPS32_SDBBP 0x0000DB7Cu /* MIPS32_R_INST(POOL32A, 0, 0, 0, 0x1BD, POOL32AXF) */ #define MMIPS16_SDBBP 0x46C0u /* POOL16C instr */ /* instruction code with isa selection */ #define MIPS32_NOP 0 /* same for both isa's */ #define MIPS32_ADDI(isa, tar, src, val) (isa ? MMIPS32_ADDI(tar, src, val) : MIPS32_ISA_ADDI(tar, src, val)) #define MIPS32_ADDIU(isa, tar, src, val) (isa ? MMIPS32_ADDIU(tar, src, val) : MIPS32_ISA_ADDIU(tar, src, val)) #define MIPS32_ADDU(isa, dst, src, tar) (isa ? MMIPS32_ADDU(dst, src, tar) : MIPS32_ISA_ADDU(dst, src, tar)) #define MIPS32_AND(isa, dst, src, tar) (isa ? MMIPS32_AND(dst, src, tar) : MIPS32_ISA_AND(dst, src, tar)) #define MIPS32_ANDI(isa, tar, src, val) (isa ? MMIPS32_ANDI(tar, src, val) : MIPS32_ISA_ANDI(tar, src, val)) #define MIPS32_B(isa, off) (isa ? MMIPS32_B(off) : MIPS32_ISA_B(off)) #define MIPS32_BEQ(isa, src, tar, off) (isa ? MMIPS32_BEQ(src, tar, off) : MIPS32_ISA_BEQ(src, tar, off)) #define MIPS32_BGTZ(isa, reg, off) (isa ? MMIPS32_BGTZ(reg, off) : MIPS32_ISA_BGTZ(reg, off)) #define MIPS32_BNE(isa, src, tar, off) (isa ? MMIPS32_BNE(src, tar, off) : MIPS32_ISA_BNE(src, tar, off)) #define MIPS32_CACHE(isa, op, off, base) (isa ? MMIPS32_CACHE(op, off, base) : MIPS32_ISA_CACHE(op, off, base)) #define MIPS32_J(isa, tar) (isa ? MMIPS32_J(tar) : MIPS32_ISA_J(tar)) #define MIPS32_JR(isa, reg) (isa ? MMIPS32_JR(reg) : MIPS32_ISA_JR(reg)) #define MIPS32_LB(isa, reg, off, base) (isa ? MMIPS32_LB(reg, off, base) : MIPS32_ISA_LB(reg, off, base)) #define MIPS32_LBU(isa, reg, off, base) (isa ? MMIPS32_LBU(reg, off, base) : MIPS32_ISA_LBU(reg, off, base)) #define MIPS32_LHU(isa, reg, off, base) (isa ? MMIPS32_LHU(reg, off, base) : MIPS32_ISA_LHU(reg, off, base)) #define MIPS32_LW(isa, reg, off, base) (isa ? MMIPS32_LW(reg, off, base) : MIPS32_ISA_LW(reg, off, base)) #define MIPS32_LUI(isa, reg, val) (isa ? MMIPS32_LUI(reg, val) : MIPS32_ISA_LUI(reg, val)) #define MIPS32_MFC0(isa, gpr, cpr, sel) (isa ? MMIPS32_MFC0(gpr, cpr, sel) : MIPS32_ISA_MFC0(gpr, cpr, sel)) #define MIPS32_MTC0(isa, gpr, cpr, sel) (isa ? MMIPS32_MTC0(gpr, cpr, sel) : MIPS32_ISA_MTC0(gpr, cpr, sel)) #define MIPS32_MFLO(isa, reg) (isa ? MMIPS32_MFLO(reg) : MIPS32_ISA_MFLO(reg)) #define MIPS32_MFHI(isa, reg) (isa ? MMIPS32_MFHI(reg) : MIPS32_ISA_MFHI(reg)) #define MIPS32_MTLO(isa, reg) (isa ? MMIPS32_MTLO(reg) : MIPS32_ISA_MTLO(reg)) #define MIPS32_MTHI(isa, reg) (isa ? MMIPS32_MTHI(reg) : MIPS32_ISA_MTHI(reg)) #define MIPS32_MOVN(isa, dst, src, tar) (isa ? MMIPS32_MOVN(dst, src, tar) : MIPS32_ISA_MOVN(dst, src, tar)) #define MIPS32_ORI(isa, tar, src, val) (isa ? MMIPS32_ORI(tar, src, val) : MIPS32_ISA_ORI(tar, src, val)) #define MIPS32_RDHWR(isa, tar, dst) (isa ? MMIPS32_RDHWR(tar, dst) : MIPS32_ISA_RDHWR(tar, dst)) #define MIPS32_SB(isa, reg, off, base) (isa ? MMIPS32_SB(reg, off, base) : MIPS32_ISA_SB(reg, off, base)) #define MIPS32_SH(isa, reg, off, base) (isa ? MMIPS32_SH(reg, off, base) : MIPS32_ISA_SH(reg, off, base)) #define MIPS32_SW(isa, reg, off, base) (isa ? MMIPS32_SW(reg, off, base) : MIPS32_ISA_SW(reg, off, base)) #define MIPS32_SLL(isa, dst, src, sa) (isa ? MMIPS32_SLL(dst, src, sa) : MIPS32_ISA_SLL(dst, src, sa)) #define MIPS32_SLTI(isa, tar, src, val) (isa ? MMIPS32_SLTI(tar, src, val) : MIPS32_ISA_SLTI(tar, src, val)) #define MIPS32_SLTU(isa, dst, src, tar) (isa ? MMIPS32_SLTU(dst, src, tar) : MIPS32_ISA_SLTU(dst, src, tar)) #define MIPS32_SRL(isa, reg, src, off) (isa ? MMIPS32_SRL(reg, src, off) : MIPS32_ISA_SRL(reg, src, off)) #define MIPS32_SYNCI(isa, off, base) (isa ? MMIPS32_SYNCI(off, base) : MIPS32_ISA_SYNCI(off, base)) #define MIPS32_SYNC(isa) (isa ? MMIPS32_SYNC : MIPS32_ISA_SYNC) #define MIPS32_XOR(isa, reg, val1, val2) (isa ? MMIPS32_XOR(reg, val1, val2) : MIPS32_ISA_XOR(reg, val1, val2)) #define MIPS32_XORI(isa, tar, src, val) (isa ? MMIPS32_XORI(tar, src, val) : MIPS32_ISA_XORI(tar, src, val)) #define MIPS32_SYNCI_STEP 0x1 /* ejtag specific instructions */ #define MIPS32_DRET(isa) (isa ? MMIPS32_DRET : MIPS32_ISA_DRET) #define MIPS32_SDBBP(isa) (isa ? MMIPS32_SDBBP : MIPS32_ISA_SDBBP) #define MIPS16_SDBBP(isa) (isa ? MMIPS16_SDBBP : MIPS16_ISA_SDBBP) /* * MIPS32 Config1 Register (CP0 Register 16, Select 1) */ #define MIPS32_CFG1_M 0x80000000 /* Config2 implemented */ #define MIPS32_CFG1_MMUSMASK 0x7e000000 /* mmu size - 1 */ #define MIPS32_CFG1_MMUSSHIFT 25 #define MIPS32_CFG1_ISMASK 0x01c00000 /* icache lines 64<