+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
/***************************************************************************
* Copyright (C) 2008 by Spencer Oliver *
* spen@spen-soft.co.uk *
* *
* Copyright (C) 2011 by Drasko DRASKOVIC *
* drasko.draskovic@gmail.com *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#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 0xB320B320
+#define MIPS32_COMMON_MAGIC 0xB320B320U
/**
* Memory segments (32bit kernel mode addresses)
/** Returns the kernel segment base of a given address */
#define KSEGX(a) ((a) & 0xe0000000)
-/** CP0 CONFIG regites fields */
+/** CP0 CONFIG register fields */
#define MIPS32_CONFIG0_KU_SHIFT 25
#define MIPS32_CONFIG0_KU_MASK (0x7 << MIPS32_CONFIG0_KU_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_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,
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_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 {
- uint32_t common_magic;
+ unsigned int common_magic;
+
void *arch_info;
struct reg_cache *core_cache;
struct mips_ejtag ejtag_info;
- uint32_t core_regs[MIPS32NUMCOREREGS];
+
+ 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;
};
struct mips32_algorithm {
- int common_magic;
+ unsigned int common_magic;
enum mips32_isa_mode isa_mode;
};
#define MIPS32_OP_XORI 0x0Eu
#define MIPS32_OP_XOR 0x26u
#define MIPS32_OP_SLTU 0x2Bu
-#define MIPS32_OP_SRL 0x03u
+#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_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_SRL(reg, src, off) MIPS32_R_INST(0, 0, src, reg, off, MIPS32_OP_SRL)
+#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)
/*MICRO MIPS INSTRUCTIONS, see doc MD00582 */
#define POOL32A 0X00u
-#define POOL32AXf 0x3Cu
+#define POOL32AXF 0x3Cu
#define POOL32B 0x08u
#define POOL32I 0x10u
#define MMIPS32_OP_ADDI 0x04u
#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_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_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_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_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_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)
/* 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 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 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<<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
+
+enum mips32_cpu_vendor {
+ MIPS32_CPU_VENDOR_MTI,
+ MIPS32_CPU_VENDOR_ALCHEMY,
+ MIPS32_CPU_VENDOR_BROADCOM,
+ MIPS32_CPU_VENDOR_ALTERA,
+ MIPS32_CPU_VENDOR_LEXRA,
+};
+
+enum mips32_isa_supported {
+ MIPS16,
+ MIPS32,
+ MIPS64,
+ MICROMIPS_ONLY,
+ MIPS32_AT_RESET_AND_MICROMIPS,
+ MICROMIPS_AT_RESET_AND_MIPS32,
+};
+
+struct mips32_cpu_features {
+ /* Type of CPU (4Kc, 24Kf, etc.) */
+ uint32_t cpu_core;
+
+ /* Internal representation of cpu type */
+ uint32_t cpu_type;
+
+ /* Processor vendor */
+ enum mips32_cpu_vendor vendor;
+
+ /* Supported ISA and boot config */
+ enum mips32_isa_supported isa;
+
+ /* PRID */
+ uint32_t prid;
+
+ /* Processor implemented the MultiThreading ASE */
+ bool mtase;
+
+ /* Processor implemented the DSP ASE */
+ bool dspase;
+
+ /* Processor implemented the SmartMIPS ASE */
+ bool smase;
+
+ /* Processor implemented the MIPS16[e] ASE */
+ bool m16ase;
+
+ /* Processor implemented the microMIPS ASE */
+ bool micromipsase;
+
+ /* Processor implemented the Virtualization ASE */
+ uint32_t vzase;
+
+ uint32_t vz_guest_id_width;
+
+ /* ebase.cpuid number */
+ uint32_t cpuid;
+
+ uint32_t inst_cache_size;
+ uint32_t data_cache_size;
+ uint32_t mmu_type;
+ uint32_t tlb_entries;
+ uint32_t num_shadow_regs;
+
+ /* Processor implemented the MSA module */
+ bool msa;
+
+ /* Processor implemented mfhc0 and mthc0 instructions */
+ bool mvh;
+
+ bool guest_ctl1_present;
+ bool cdmm;
+};
+
extern const struct command_registration mips32_command_handlers[];
int mips32_arch_state(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,
- int timeout_ms, void *arch_info);
+ unsigned int timeout_ms, void *arch_info);
int mips32_configure_break_unit(struct target *target);
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);