mips32.h

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/* 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 <helper/bits.h>
 
#include "target.h"
#include "mips32_pracc.h"
 
#define MIPS32_COMMON_MAGIC     0xB320B320U
 
#define KUSEG           0x00000000
#define KSEG0           0x80000000
#define KSEG1           0xa0000000
#define KSEG2           0xc0000000
#define KSEG3           0xe0000000
 
#define KSEGX(a)        ((a) & 0xe0000000)
 
#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 MIPS32NUMDSPREGS        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 mips32_cp0 {
    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 (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_isa_supported {
    MIPS16,
    MIPS32,
    MIPS64,
    MICROMIPS_ONLY,
    MIPS32_AT_RESET_AND_MICROMIPS,
    MICROMIPS_AT_RESET_AND_MIPS32,
};
#define MIPS32_CORE_MASK    0xFFFFFF00
#define MIPS32_VARIANT_MASK 0x00FF
 
/* This struct contains mips cpu types with their name respectively.
 * The PrID register format is as following:
 *  - Company Optionsp[31:24]
 *  - Company ID[23:16]
 *  - Processor ID[15:8]
 *  - Revision[7:0]
 * Here the revision field represents the maximum value of revision.
 */
static const struct cpu_entry {
    uint32_t prid;
    enum mips32_isa_supported isa;
    const char *vendor;
    const char *cpu_name;
} mips32_cpu_entry[] = {
    /* MIPS Technologies cores */
    {0x000180FF, MIPS32, "MIPS", "4Kc"},
    {0x000181FF, MIPS64, "MIPS", "5Kc"},
    {0x000182FF, MIPS64, "MIPS", "20Kc"},
    {0x000183FF, MIPS32, "MIPS", "4KM"},
 
    {0x000184FF, MIPS32, "MIPS", "4KEc"},
    {0x000190FF, MIPS32, "MIPS", "4KEc"},
 
    {0x000185FF, MIPS32, "MIPS", "4KEm"},
    {0x000191FF, MIPS32, "MIPS", "4KEm"},
 
    {0x000186FF, MIPS32, "MIPS", "4KSc"},
    {0x000187FF, MIPS32, "MIPS", "M4K"},
    {0x000188FF, MIPS64, "MIPS", "25Kf"},
    {0x000189FF, MIPS64, "MIPS", "5KEc"},
    {0x000192FF, MIPS32, "MIPS", "4KSD"},
    {0x000193FF, MIPS32, "MIPS", "24Kc"},
    {0x000195FF, MIPS32, "MIPS", "34Kc"},
    {0x000196FF, MIPS32, "MIPS", "24KEc"},
    {0x000197FF, MIPS32, "MIPS", "74Kc"},
    {0x000199FF, MIPS32, "MIPS", "1004Kc"},
    {0x00019AFF, MIPS32, "MIPS", "1074Kc"},
    {0x00019BFF, MIPS32, "MIPS", "M14K"},
    {0x00019CFF, MIPS32, "MIPS", "M14Kc"},
    {0x00019DFF, MIPS32, "MIPS", "microAptiv_UC(M14KE)"},
    {0x00019EFF, MIPS32, "MIPS", "microAptiv_UP(M14KEc)"},
    {0x0001A0FF, MIPS32, "MIPS", "interAptiv"},
    {0x0001A1FF, MIPS32, "MIPS", "interAptiv_CM"},
    {0x0001A2FF, MIPS32, "MIPS", "proAptiv"},
    {0x0001A3FF, MIPS32, "MIPS", "proAptiv_CM"},
    {0x0001A6FF, MIPS32, "MIPS", "M5100"},
    {0x0001A7FF, MIPS32, "MIPS", "M5150"},
    {0x0001A8FF, MIPS32, "MIPS", "P5600"},
    {0x0001A9FF, MIPS32, "MIPS", "I5500"},
 
    /* Broadcom */
    {0x000200FF, MIPS32, "Broadcom", "Broadcom"},
 
    /* AMD Alchemy Series*/
    /* NOTE: AMD/Alchemy series uses Company Option instead of
     * Processor ID, to match the find function, Processor ID field
     * is the copy of Company Option field */
    {0x000300FF, MIPS32, "AMD Alchemy", "AU1000"},
    {0x010301FF, MIPS32, "AMD Alchemy", "AU1500"},
    {0x020302FF, MIPS32, "AMD Alchemy", "AU1100"},
    {0x030303FF, MIPS32, "AMD Alchemy", "AU1550"},
    {0x04030401, MIPS32, "AMD Alchemy", "AU1200"},
    {0x040304FF, MIPS32, "AMD Alchemy", "AU1250"},
    {0x050305FF, MIPS32, "AMD Alchemy", "AU1210"},
 
    /* Altera */
    {0x001000FF, MIPS32, "Altera", "Altera"},
 
    /* Lexra */
    {0x000B00FF, MIPS32, "Lexra", "Lexra"},
 
    /* Ingenic */
    {0x00e102FF, MIPS32, "Ingenic", "Ingenic XBurst rev1"},
 
    {0xFFFFFFFF, MIPS32, "Unknown", "Unknown"}
};
 
#define MIPS32_NUM_CPU_ENTRIES (ARRAY_SIZE(mips32_cpu_entry))
 
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;
 
    /* The cp0 registers implemented on different processor cores could be different, too.
     * Here you can see most of the registers are implemented on interAptiv, which is
     * a 2c4t SMP processor, it has more features than M-class processors, like vpe
     * and other config registers for multhreading. */
    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;
    /* detected CPU type */
    const struct cpu_entry *cpu_info;
    /* 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_ADD   0x20u
#define MIPS32_OP_ADDI  0x08u
#define MIPS32_OP_AND   0x24u
#define MIPS32_OP_CACHE 0x2Fu
#define MIPS32_OP_COP0  0x10u
#define MIPS32_OP_COP1  0x11u
#define MIPS32_OP_J 0x02u
#define MIPS32_OP_JR    0x08u
#define MIPS32_OP_LUI   0x0Fu
#define MIPS32_OP_LW    0x23u
#define MIPS32_OP_LWC1  0x31u
#define MIPS32_OP_LDC1  0x35u
#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_MUL   0x02u
#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_SLLV  0x04u
#define MIPS32_OP_SLTI  0x0Au
#define MIPS32_OP_MOVN  0x0Bu
#define MIPS32_OP_SWC1  0x39u
#define MIPS32_OP_SDC1  0x3Du
 
#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_COP_MF   0x00u
#define MIPS32_COP_CF   0x02u
#define MIPS32_COP_MFH  0x03u
#define MIPS32_COP_MT   0x04u
#define MIPS32_COP_MTH  0x07u
 
#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_ADD(dst, src, tar)       MIPS32_R_INST(MIPS32_OP_SPECIAL, src, tar, dst, 0, MIPS32_OP_ADD)
#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_CFC1(gpr, cpr)       MIPS32_R_INST(MIPS32_OP_COP1, MIPS32_COP_CF, gpr, cpr, 0, 0)
#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_JRHB(reg)        MIPS32_R_INST(0, reg, 0, 0, 0x10, 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_LWC1(reg, off, base)     MIPS32_I_INST(MIPS32_OP_LWC1, base, reg, off)
#define MIPS32_ISA_LDC1(reg, off, base)     MIPS32_I_INST(MIPS32_OP_LDC1, base, reg, off)
 
#define MIPS32_ISA_MFC0(gpr, cpr, sel)      MIPS32_R_INST(MIPS32_OP_COP0, MIPS32_COP_MF, gpr, cpr, 0, sel)
#define MIPS32_ISA_MTC0(gpr, cpr, sel)      MIPS32_R_INST(MIPS32_OP_COP0, MIPS32_COP_MT, gpr, cpr, 0, sel)
#define MIPS32_ISA_MFC1(gpr, cpr)       MIPS32_R_INST(MIPS32_OP_COP1, MIPS32_COP_MF, gpr, cpr, 0, 0)
#define MIPS32_ISA_MFHC1(gpr, cpr)      MIPS32_R_INST(MIPS32_OP_COP1, MIPS32_COP_MFH, gpr, cpr, 0, 0)
#define MIPS32_ISA_MTC1(gpr, cpr)       MIPS32_R_INST(MIPS32_OP_COP1, MIPS32_COP_MT, gpr, cpr, 0, 0)
#define MIPS32_ISA_MTHC1(gpr, cpr)      MIPS32_R_INST(MIPS32_OP_COP1, MIPS32_COP_MTH, gpr, cpr, 0, 0)
#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_MUL(dst, src, t)     MIPS32_R_INST(28, src, t, dst, 0, MIPS32_OP_MUL)
#define MIPS32_ISA_MOVN(dst, src, tar)      MIPS32_R_INST(MIPS32_OP_SPECIAL, src, tar, dst, 0, MIPS32_OP_MOVN)
#define MIPS32_ISA_OR(dst, src, val)        MIPS32_R_INST(0, src, val, dst, 0, 37)
#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_SWC1(reg, off, base)     MIPS32_I_INST(MIPS32_OP_SWC1, base, reg, off)
#define MIPS32_ISA_SDC1(reg, off, base)     MIPS32_I_INST(MIPS32_OP_SDC1, 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_SLLV(dst, src, sa)       MIPS32_R_INST(MIPS32_OP_SPECIAL, 0, src, dst, sa, MIPS32_OP_SLLV)
#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 */
 
#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 MMIPS32_POOL32A                 0x00u
#define MMIPS32_POOL32F                 0x15u
#define MMIPS32_POOL32FXF               0x3Bu
#define MMIPS32_POOL32AXF               0x3Cu
#define MMIPS32_POOL32B                 0x08u
#define MMIPS32_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_CFC1         0x40u
#define MMIPS32_OP_J            0x35u
#define MMIPS32_OP_JALR         0x03Cu
#define MMIPS32_OP_JALRHB       0x07Cu
#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_LWC1         0x27u
#define MMIPS32_OP_LDC1         0x2Fu
#define MMIPS32_OP_MFC0         0x03u
#define MMIPS32_OP_MFC1         0x80u
#define MMIPS32_OP_MFHC1        0xC0u
#define MMIPS32_OP_MTC0         0x0Bu
#define MMIPS32_OP_MTC1         0xA0u
#define MMIPS32_OP_MTHC1        0xE0u
#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_SWC1         0x26u
#define MMIPS32_OP_SDC1         0x2Eu
#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(MMIPS32_POOL32A, tar, src, dst, 0, MMIPS32_OP_ADDU)
#define MMIPS32_AND(dst, src, tar)      MIPS32_R_INST(MMIPS32_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(MMIPS32_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(MMIPS32_POOL32B, op, base, MMIPS32_OP_CACHE << 1, 0, off)
#define MMIPS32_CFC1(gpr, cpr)          MIPS32_R_INST(MMIPS32_POOL32F, gpr, cpr, 0, MMIPS32_OP_CFC1, MMIPS32_POOL32FXF)
 
#define MMIPS32_J(tar)              MIPS32_J_INST(MMIPS32_OP_J, ((0x07FFFFFFu & ((tar) >> 1))))
#define MMIPS32_JR(reg)             MIPS32_R_INST(MMIPS32_POOL32A, 0, reg, 0, MMIPS32_OP_JALR, MMIPS32_POOL32AXF)
#define MMIPS32_JRHB(reg)           MIPS32_R_INST(MMIPS32_POOL32A, 0, reg, 0, MMIPS32_OP_JALRHB, MMIPS32_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(MMIPS32_POOL32I, MMIPS32_OP_LUI, reg, val)
#define MMIPS32_LW(reg, off, base)      MIPS32_I_INST(MMIPS32_OP_LW, reg, base, off)
#define MMIPS32_LWC1(reg, off, base)        MIPS32_I_INST(MMIPS32_OP_LWC1, reg, base, off)
#define MMIPS32_LDC1(reg, off, base)        MIPS32_I_INST(MMIPS32_OP_LDC1, reg, base, off)
 
#define MMIPS32_MFC0(gpr, cpr, sel)     MIPS32_R_INST(MMIPS32_POOL32A, gpr, cpr, sel,\
                                                        MMIPS32_OP_MFC0, MMIPS32_POOL32AXF)
#define MMIPS32_MFC1(gpr, cpr)          MIPS32_R_INST(MMIPS32_POOL32F, gpr, cpr, 0, MMIPS32_OP_MFC1, MMIPS32_POOL32FXF)
#define MMIPS32_MFHC1(gpr, cpr)         MIPS32_R_INST(MMIPS32_POOL32F, gpr, cpr, 0, MMIPS32_OP_MFHC1, MMIPS32_POOL32FXF)
#define MMIPS32_MFLO(reg)           MIPS32_R_INST(MMIPS32_POOL32A, 0, reg, 0, MMIPS32_OP_MFLO, MMIPS32_POOL32AXF)
#define MMIPS32_MFHI(reg)           MIPS32_R_INST(MMIPS32_POOL32A, 0, reg, 0, MMIPS32_OP_MFHI, MMIPS32_POOL32AXF)
#define MMIPS32_MTC0(gpr, cpr, sel)     MIPS32_R_INST(MMIPS32_POOL32A, gpr, cpr, sel,\
                                                        MMIPS32_OP_MTC0, MMIPS32_POOL32AXF)
#define MMIPS32_MTC1(gpr, cpr)          MIPS32_R_INST(MMIPS32_POOL32F, gpr, cpr, 0, MMIPS32_OP_MTC1, MMIPS32_POOL32FXF)
#define MMIPS32_MTHC1(gpr, cpr)         MIPS32_R_INST(MMIPS32_POOL32F, gpr, cpr, 0, MMIPS32_OP_MTHC1, MMIPS32_POOL32FXF)
#define MMIPS32_MTLO(reg)           MIPS32_R_INST(MMIPS32_POOL32A, 0, reg, 0, MMIPS32_OP_MTLO, MMIPS32_POOL32AXF)
#define MMIPS32_MTHI(reg)           MIPS32_R_INST(MMIPS32_POOL32A, 0, reg, 0, MMIPS32_OP_MTHI, MMIPS32_POOL32AXF)
 
#define MMIPS32_MOVN(dst, src, tar)     MIPS32_R_INST(MMIPS32_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(MMIPS32_POOL32A, dst, tar, 0, MMIPS32_OP_RDHWR, MMIPS32_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_SWC1(reg, off, base)        MIPS32_I_INST(MMIPS32_OP_SWC1, reg, base, off)
#define MMIPS32_SDC1(reg, off, base)        MIPS32_I_INST(MMIPS32_OP_SDC1, reg, base, off)
 
#define MMIPS32_SRL(reg, src, off)      MIPS32_R_INST(MMIPS32_POOL32A, reg, src, off, 0, MMIPS32_OP_SRL)
#define MMIPS32_SLTU(dst, src, tar)     MIPS32_R_INST(MMIPS32_POOL32A, tar, src, dst, 0, MMIPS32_OP_SLTU)
#define MMIPS32_SYNCI(off, base)        MIPS32_I_INST(MMIPS32_POOL32I, MMIPS32_OP_SYNCI, base, off)
#define MMIPS32_SLL(dst, src, sa)       MIPS32_R_INST(MMIPS32_POOL32A, dst, src, sa, 0, MMIPS32_OP_SLL)
#define MMIPS32_SLLV(dst, src, sa)      MIPS32_R_INST(MMIPS32_POOL32A, dst, src, sa, 0, MMIPS32_OP_SLLV)
#define MMIPS32_SLTI(tar, src, val)     MIPS32_I_INST(MMIPS32_OP_SLTI, tar, src, val)
#define MMIPS32_SYNC                0x00001A7Cu /* MIPS32_R_INST(MMIPS32_POOL32A, 0, 0, 0, 0x1ADu, MMIPS32_POOL32AXF) */
 
#define MMIPS32_XOR(reg, val1, val2)        MIPS32_R_INST(MMIPS32_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(MMIPS32_POOL32A, 0, 0, 0, 0x38D, MMIPS32_POOL32AXF) */
#define MMIPS32_SDBBP           0x0000DB7Cu /* MIPS32_R_INST(MMIPS32_POOL32A, 0, 0, 0, 0x1BD, MMIPS32_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_CFC1(isa, gpr, cpr)      (isa ? MMIPS32_CFC1(gpr, cpr) : MIPS32_ISA_CFC1(gpr, cpr))
 
#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_JRHB(isa, reg)       (isa ? MMIPS32_JRHB(reg) : MIPS32_ISA_JRHB(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_LWC1(isa, reg, off, base)    (isa ? MMIPS32_LWC1(reg, off, base) : MIPS32_ISA_LWC1(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_MFC1(isa, gpr, cpr)      (isa ? MMIPS32_MFC1(gpr, cpr) : MIPS32_ISA_MFC1(gpr, cpr))
#define MIPS32_MFHC1(isa, gpr, cpr)     (isa ? MMIPS32_MFHC1(gpr, cpr) : MIPS32_ISA_MFHC1(gpr, cpr))
#define MIPS32_MTC1(isa, gpr, cpr)      (isa ? MMIPS32_MTC1(gpr, cpr) : MIPS32_ISA_MTC1(gpr, cpr))
#define MIPS32_MTHC1(isa, gpr, cpr)     (isa ? MMIPS32_MTHC1(gpr, cpr) : MIPS32_ISA_MTHC1(gpr, cpr))
#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_MUL(isa, dst, src, t)        (MIPS32_ISA_MUL(dst, src, t))
#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_SWC1(isa, reg, off, base)    (isa ? MMIPS32_SWC1(reg, off, base) : MIPS32_ISA_SWC1(reg, off, base))
#define MIPS32_SDC1(isa, reg, off, base)    (isa ? MMIPS32_SDC1(reg, off, base) : MIPS32_ISA_SDC1(reg, off, base))
 
#define MIPS32_SLL(isa, dst, src, sa)       (isa ? MMIPS32_SLL(dst, src, sa) : MIPS32_ISA_SLL(dst, src, sa))
#define MIPS32_EHB(isa)                     (isa ? MMIPS32_SLL(0, 0, 3) : MIPS32_ISA_SLL(0, 0, 3))
#define MIPS32_SLLV(isa, dst, src, sa)      (MIPS32_ISA_SLLV(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)
 
/* ejtag specific instructions */
#define MICRO_MIPS32_SDBBP          0x000046C0
#define MICRO_MIPS_SDBBP            0x46C0
#define MIPS32_DSP_ENABLE           0x1000000
 
#define MIPS32_S_INST(rs, rac, opcode)          \
    (((rs) << 21) | ((rac) << 11) | (opcode))
 
#define MIPS32_DSP_R_INST(rt, immd, opcode, extrw) \
    ((0x1F << 26) | ((immd) << 16) | ((rt) << 11) | ((opcode) << 6) | (extrw))
#define MIPS32_DSP_W_INST(rs, immd, opcode, extrw) \
    ((0x1F << 26) | ((rs) << 21) | ((immd) << 11) | ((opcode) << 6) | (extrw))
 
#define MIPS32_DSP_MFHI(reg, ac)        MIPS32_R_INST(0, ac, 0, reg, 0, MIPS32_OP_MFHI)
#define MIPS32_DSP_MFLO(reg, ac)    MIPS32_R_INST(0, ac, 0, reg, 0, MIPS32_OP_MFLO)
#define MIPS32_DSP_MTLO(reg, ac)    MIPS32_S_INST(reg, ac, MIPS32_OP_MTLO)
#define MIPS32_DSP_MTHI(reg, ac)    MIPS32_S_INST(reg, ac, MIPS32_OP_MTHI)
#define MIPS32_DSP_RDDSP(rt, mask)  MIPS32_DSP_R_INST(rt, mask, 0x12, 0x38)
#define MIPS32_DSP_WRDSP(rs, mask)  MIPS32_DSP_W_INST(rs, mask, 0x13, 0x38)
 
 
/*
 * 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<<n */
#define MIPS32_CFG1_ISSHIFT     22
#define MIPS32_CFG1_ILMASK      0x00380000      /* icache line size 2<<n */
#define MIPS32_CFG1_ILSHIFT     19
#define MIPS32_CFG1_IAMASK      0x00070000      /* icache ways - 1 */
#define MIPS32_CFG1_IASHIFT     16
#define MIPS32_CFG1_DSMASK      0x0000e000      /* dcache lines 64<<n */
#define MIPS32_CFG1_DSSHIFT     13
#define MIPS32_CFG1_DLMASK      0x00001c00      /* dcache line size 2<<n */
#define MIPS32_CFG1_DLSHIFT     10
#define MIPS32_CFG1_DAMASK      0x00000380      /* dcache ways - 1 */
#define MIPS32_CFG1_DASHIFT     7
#define MIPS32_CFG1_C2          0x00000040      /* Coprocessor 2 present */
#define MIPS32_CFG1_MD          0x00000020      /* MDMX implemented */
#define MIPS32_CFG1_PC          0x00000010      /* performance counters implemented */
#define MIPS32_CFG1_WR          0x00000008      /* watch registers implemented */
#define MIPS32_CFG1_CA          0x00000004      /* compression (mips16) implemented */
#define MIPS32_CFG1_EP          0x00000002      /* ejtag implemented */
#define MIPS32_CFG1_FP          0x00000001      /* fpu implemented */
 
/*
 * MIPS32 Coprocessor 0 register numbers
 */
#define MIPS32_C0_INDEX         0
#define MIPS32_C0_INX           0
#define MIPS32_C0_RANDOM        1
#define MIPS32_C0_RAND          1
#define MIPS32_C0_ENTRYLO0      2
#define MIPS32_C0_TLBLO0        2
#define MIPS32_C0_ENTRYLO1      3
#define MIPS32_C0_TLBLO1        3
#define MIPS32_C0_CONTEXT       4
#define MIPS32_C0_CTXT          4
#define MIPS32_C0_PAGEMASK      5
#define MIPS32_C0_PAGEGRAIN     (5, 1)
#define MIPS32_C0_WIRED         6
#define MIPS32_C0_HWRENA        7
#define MIPS32_C0_BADVADDR      8
#define MIPS32_C0_VADDR         8
#define MIPS32_C0_COUNT         9
#define MIPS32_C0_ENTRYHI       10
#define MIPS32_C0_TLBHI         10
#define MIPS32_C0_GUESTCTL1     10
#define MIPS32_C0_COMPARE       11
#define MIPS32_C0_STATUS        12
#define MIPS32_C0_SR            12
#define MIPS32_C0_INTCTL        (12, 1)
#define MIPS32_C0_SRSCTL        (12, 2)
#define MIPS32_C0_SRSMAP        (12, 3)
#define MIPS32_C0_CAUSE         13
#define MIPS32_C0_CR            13
#define MIPS32_C0_EPC           14
#define MIPS32_C0_PRID          15
#define MIPS32_C0_EBASE         (15, 1)
#define MIPS32_C0_CONFIG        16
#define MIPS32_C0_CONFIG0       (16, 0)
#define MIPS32_C0_CONFIG1       (16, 1)
#define MIPS32_C0_CONFIG2       (16, 2)
#define MIPS32_C0_CONFIG3       (16, 3)
#define MIPS32_C0_LLADDR        17
#define MIPS32_C0_WATCHLO       18
#define MIPS32_C0_WATCHHI       19
#define MIPS32_C0_DEBUG         23
#define MIPS32_C0_DEPC          24
#define MIPS32_C0_PERFCNT       25
#define MIPS32_C0_ERRCTL        26
#define MIPS32_C0_CACHEERR      27
#define MIPS32_C0_TAGLO         28
#define MIPS32_C0_ITAGLO        28
#define MIPS32_C0_DTAGLO        (28, 2)
#define MIPS32_C0_TAGLO2        (28, 4)
#define MIPS32_C0_DATALO        (28, 1)
#define MIPS32_C0_IDATALO       (28, 1)
#define MIPS32_C0_DDATALO       (28, 3)
#define MIPS32_C0_DATALO2       (28, 5)
#define MIPS32_C0_TAGHI         29
#define MIPS32_C0_ITAGHI        29
#define MIPS32_C0_DATAHI        (29, 1)
#define MIPS32_C0_ERRPC         30
#define MIPS32_C0_DESAVE        31
 
/*
 * MIPS32 MMU types
 */
#define MIPS32_MMU_TLB          1
#define MIPS32_MMU_BAT          2
#define MIPS32_MMU_FIXED        3
#define MIPS32_MMU_DUAL_VTLB_FTLB   4
 
extern const struct command_registration mips32_command_handlers[];
 
int mips32_arch_state(struct target *target);
 
int mips32_init_arch_info(struct target *target,
        struct mips32_common *mips32, struct jtag_tap *tap);
 
int mips32_restore_context(struct target *target);
int mips32_save_context(struct target *target);
 
struct reg_cache *mips32_build_reg_cache(struct target *target);
 
int mips32_run_algorithm(struct target *target,
        int num_mem_params, struct mem_param *mem_params,
        int num_reg_params, struct reg_param *reg_params,
        target_addr_t entry_point, target_addr_t exit_point,
        unsigned int timeout_ms, void *arch_info);
 
int mips32_configure_break_unit(struct target *target);
 
int mips32_enable_interrupts(struct target *target, int enable);
 
int mips32_examine(struct target *target);
 
int mips32_cpu_probe(struct target *target);
 
int mips32_read_config_regs(struct target *target);
 
int mips32_register_commands(struct command_context *cmd_ctx);
 
int mips32_get_gdb_reg_list(struct target *target,
        struct reg **reg_list[], int *reg_list_size,
        enum target_register_class reg_class);
int mips32_checksum_memory(struct target *target, target_addr_t address,
        uint32_t count, uint32_t *checksum);
int mips32_blank_check_memory(struct target *target,
        struct target_memory_check_block *blocks, int num_blocks, uint8_t erased_value);
 
bool mips32_cpu_support_sync(struct mips_ejtag *ejtag_info);
bool mips32_cpu_support_hazard_barrier(struct mips_ejtag *ejtag_info);
 
#endif /* OPENOCD_TARGET_MIPS32_H */