armv8_opcodes.h

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
/*
 * Copyright (C) 2015 by pierrr kuo <vichy.kuo@gmail.com>
 */
 
#ifndef OPENOCD_TARGET_ARMV8_OPCODES_H
#define OPENOCD_TARGET_ARMV8_OPCODES_H
 
#include "arm_opcodes.h"
 
#define SYSTEM_CUREL_MASK       0xC0
#define SYSTEM_CUREL_SHIFT      6
#define SYSTEM_CUREL_EL0        0x0
#define SYSTEM_CUREL_EL1        0x1
#define SYSTEM_CUREL_EL2        0x2
#define SYSTEM_CUREL_EL3        0x3
#define SYSTEM_CUREL_NONCH      0xF
#define SYSTEM_AARCH64          0x1
 
#define SYSTEM_AAR64_MODE_EL0T  0x0
#define SYSTEM_AAR64_MODE_EL1T  0x4
#define SYSTEM_AAR64_MODE_EL1H  0x5
#define SYSTEM_AAR64_MODE_EL2T  0x8
#define SYSTEM_AAR64_MODE_EL2H  0x9
#define SYSTEM_AAR64_MODE_EL3T  0xC
#define SYSTEM_AAR64_MODE_EL3H  0xd
 
#define SYSTEM_DAIF         0b1101101000010001
#define SYSTEM_DAIF_MASK        0x3C0
#define SYSTEM_DAIF_SHIFT       6
 
#define SYSTEM_ELR_EL1          0b1100001000000001
#define SYSTEM_ELR_EL2          0b1110001000000001
#define SYSTEM_ELR_EL3          0b1111001000000001
 
#define SYSTEM_SCTLR_EL1    0b1100000010000000
#define SYSTEM_SCTLR_EL2    0b1110000010000000
#define SYSTEM_SCTLR_EL3    0b1111000010000000
 
#define SYSTEM_FPCR         0b1101101000100000
#define SYSTEM_FPSR         0b1101101000100001
#define SYSTEM_DAIF         0b1101101000010001
#define SYSTEM_NZCV         0b1101101000010000
#define SYSTEM_SP_EL0           0b1100001000001000
#define SYSTEM_SP_EL1           0b1110001000001000
#define SYSTEM_SP_EL2           0b1111001000001000
#define SYSTEM_SP_SEL           0b1100001000010000
#define SYSTEM_SPSR_ABT         0b1110001000011001
#define SYSTEM_SPSR_FIQ         0b1110001000011011
#define SYSTEM_SPSR_IRQ         0b1110001000011000
#define SYSTEM_SPSR_UND         0b1110001000011010
 
#define SYSTEM_SPSR_EL1         0b1100001000000000
#define SYSTEM_SPSR_EL2         0b1110001000000000
#define SYSTEM_SPSR_EL3         0b1111001000000000
 
#define SYSTEM_ISR_EL1          0b1100011000001000
 
#define SYSTEM_DBG_DSPSR_EL0    0b1101101000101000
#define SYSTEM_DBG_DLR_EL0      0b1101101000101001
#define SYSTEM_DBG_DTRRX_EL0    0b1001100000101000
#define SYSTEM_DBG_DTRTX_EL0    0b1001100000101000
#define SYSTEM_DBG_DBGDTR_EL0   0b1001100000100000
 
#define SYSTEM_CCSIDR           0b1100100000000000
#define SYSTEM_CLIDR            0b1100100000000001
#define SYSTEM_CSSELR           0b1101000000000000
#define SYSTEM_CTYPE            0b1101100000000001
#define SYSTEM_CTR              0b1101100000000001
 
#define SYSTEM_DCCISW           0b0100001111110010
#define SYSTEM_DCCSW            0b0100001111010010
#define SYSTEM_ICIVAU           0b0101101110101001
#define SYSTEM_DCCVAU           0b0101101111011001
#define SYSTEM_DCCIVAC          0b0101101111110001
 
#define SYSTEM_MPIDR            0b1100000000000101
 
#define SYSTEM_TCR_EL1          0b1100000100000010
#define SYSTEM_TCR_EL2          0b1110000100000010
#define SYSTEM_TCR_EL3          0b1111000100000010
 
#define SYSTEM_TTBR0_EL1        0b1100000100000000
#define SYSTEM_TTBR0_EL2        0b1110000100000000
#define SYSTEM_TTBR0_EL3        0b1111000100000000
#define SYSTEM_TTBR1_EL1        0b1100000100000001
 
/* ARMv8 address translation */
#define SYSTEM_PAR_EL1          0b1100001110100000
#define SYSTEM_ATS12E0R         0b0110001111000110
#define SYSTEM_ATS12E1R         0b0110001111000100
#define SYSTEM_ATS1E2R          0b0110001111000000
#define SYSTEM_ATS1E3R          0b0111001111000000
 
/* fault status and fault address */
#define SYSTEM_FAR_EL1          0b1100001100000000
#define SYSTEM_FAR_EL2          0b1110001100000000
#define SYSTEM_FAR_EL3          0b1111001100000000
#define SYSTEM_ESR_EL1          0b1100001010010000
#define SYSTEM_ESR_EL2          0b1110001010010000
#define SYSTEM_ESR_EL3          0b1111001010010000
 
#define ARMV8_MRS_DSPSR(rt) (0xd53b4500 | (rt))
#define ARMV8_MSR_DSPSR(rt) (0xd51b4500 | (rt))
#define ARMV8_MRS_DLR(rt)   (0xd53b4520 | (rt))
#define ARMV8_MSR_DLR(rt)   (0xd51b4520 | (rt))
 
/* T32 instruction to access coprocessor registers */
#define ARMV8_MCR_T1(cp, crn, opc1, crm, opc2, rt) ARMV4_5_MCR(cp, opc1, rt, crn, crm, opc2)
#define ARMV8_MRC_T1(cp, crn, opc1, crm, opc2, rt) ARMV4_5_MRC(cp, opc1, rt, crn, crm, opc2)
 
/* T32 instructions to access DSPSR and DLR */
#define ARMV8_MRC_DSPSR(rt) ARMV8_MRC_T1(15, 4, 3, 5, 0, rt)
#define ARMV8_MCR_DSPSR(rt) ARMV8_MCR_T1(15, 4, 3, 5, 0, rt)
#define ARMV8_MRC_DLR(rt)   ARMV8_MRC_T1(15, 4, 3, 5, 1, rt)
#define ARMV8_MCR_DLR(rt)   ARMV8_MCR_T1(15, 4, 3, 5, 1, rt)
 
#define ARMV8_DCPS1(im)     (0xd4a00001 | (((im) & 0xFFFF) << 5))
#define ARMV8_DCPS2(im)     (0xd4a00002 | (((im) & 0xFFFF) << 5))
#define ARMV8_DCPS3(im)     (0xd4a00003 | (((im) & 0xFFFF) << 5))
#define ARMV8_DCPS(el, im)  (0xd4a00000 | (((im) & 0xFFFF) << 5) | el)
#define ARMV8_DCPS_T1(el)   (0xf78f8000 | el)
#define ARMV8_DRPS      0xd6bf03e0
#define ARMV8_ERET_T1       0xf3de8f00
 
#define ARMV8_DSB_SY                0xd5033F9F
#define ARMV8_DSB_SY_T1             0xf3bf8f4f
#define ARMV8_ISB               0xd5033fdf
#define ARMV8_ISB_SY_T1             0xf3bf8f6f
 
#define ARMV8_MRS(system, rt)   (0xd5300000 | ((system) << 5) | (rt))
/* ARM V8 Move to system register. */
#define ARMV8_MSR_GP(system, rt) \
    (0xd5100000 | ((system) << 5) | (rt))
/* ARM V8 Move immediate to process state field. */
#define ARMV8_MSR_IM(op1, crm, op2) \
    (0xd500401f | ((op1) << 16)  | ((crm) << 8) | ((op2) << 5))
 
#define ARMV8_MRS_T1(r, m1, rd, m) (0xF3E08020 | (r << 20) | (m1 << 16) | (rd << 8) | (m << 4))
#define ARMV8_MRS_XPSR_T1(r, rd) (0xF3EF8000 | (r << 20) | (rd << 8))
#define ARMV8_MSR_GP_T1(r, m1, rd, m) (0xF3808020 | (r << 20) | (m1 << 8) | (rd << 16) | (m << 4))
#define ARMV8_MSR_GP_XPSR_T1(r, rn, mask) (0xF3808000 | (r << 20) | (rn << 16) | (mask << 8))
 
#define ARMV8_BKPT(im) (0xD4200000 | ((im & 0xffff) << 5))
#define ARMV8_HLT(im) (0x0D4400000 | ((im & 0xffff) << 5))
#define ARMV8_HLT_A1(im) (0xE1000070 | ((im & 0xFFF0) << 4) | (im & 0xF))
#define ARMV8_HLT_T1(im) (0xba80 | (im & 0x3f))
 
#define ARMV8_MOVFSP_64(rt) ((1 << 31) | 0x11000000 | (0x1f << 5) | (rt))
#define ARMV8_MOVTSP_64(rt) ((1 << 31) | 0x11000000 | (rt << 5) | (0x1F))
#define ARMV8_MOVFSP_32(rt) (0x11000000 | (0x1f << 5) | (rt))
#define ARMV8_MOVTSP_32(rt) (0x11000000 | (rt << 5) | (0x1F))
 
#define ARMV8_LDRB_IP(rd, rn) (0x38401400 | (rn << 5) | rd)
#define ARMV8_LDRH_IP(rd, rn) (0x78402400 | (rn << 5) | rd)
#define ARMV8_LDRW_IP(rd, rn) (0xb8404400 | (rn << 5) | rd)
 
#define ARMV8_LDRB_IP_T3(rd, rn) (0xf8100b01 | (rn << 16) | (rd << 12))
#define ARMV8_LDRH_IP_T3(rd, rn) (0xf8300b02 | (rn << 16) | (rd << 12))
#define ARMV8_LDRW_IP_T3(rd, rn) (0xf8500b04 | (rn << 16) | (rd << 12))
 
#define ARMV8_STRB_IP(rd, rn) (0x38001400 | (rn << 5) | rd)
#define ARMV8_STRH_IP(rd, rn) (0x78002400 | (rn << 5) | rd)
#define ARMV8_STRW_IP(rd, rn) (0xb8004400 | (rn << 5) | rd)
 
#define ARMV8_STRB_IP_T3(rd, rn) (0xf8000b01 | (rn << 16) | (rd << 12))
#define ARMV8_STRH_IP_T3(rd, rn) (0xf8200b02 | (rn << 16) | (rd << 12))
#define ARMV8_STRW_IP_T3(rd, rn) (0xf8400b04 | (rn << 16) | (rd << 12))
 
#define ARMV8_MOV_GPR_VFP(rd, rn, index) (0x4e083c00 | (index << 20) | (rn << 5) | rd)
#define ARMV8_MOV_VFP_GPR(rd, rn, index) (0x4e081c00 | (index << 20) | (rn << 5) | rd)
 
#define ARMV8_MRS_FPCR(rt)  (0xd53b4400 | (rt))
#define ARMV8_MRS_FPSR(rt)  (0xd53b4420 | (rt))
#define ARMV8_MSR_FPCR(rt)  (0xd51b4400 | (rt))
#define ARMV8_MSR_FPSR(rt)  (0xd51b4420 | (rt))
 
#define ARMV8_SYS(system, rt) (0xD5080000 | ((system) << 5) | rt)
 
enum armv8_opcode {
    READ_REG_CTR,
    READ_REG_CLIDR,
    READ_REG_CSSELR,
    READ_REG_CCSIDR,
    WRITE_REG_CSSELR,
    READ_REG_MPIDR,
    READ_REG_DTRRX,
    WRITE_REG_DTRTX,
    WRITE_REG_DSPSR,
    READ_REG_DSPSR,
    ARMV8_OPC_DSB_SY,
    ARMV8_OPC_DCPS,
    ARMV8_OPC_DRPS,
    ARMV8_OPC_ISB_SY,
    ARMV8_OPC_DCCISW,
    ARMV8_OPC_DCCIVAC,
    ARMV8_OPC_ICIVAU,
    ARMV8_OPC_HLT,
    ARMV8_OPC_STRB_IP,
    ARMV8_OPC_STRH_IP,
    ARMV8_OPC_STRW_IP,
    ARMV8_OPC_LDRB_IP,
    ARMV8_OPC_LDRH_IP,
    ARMV8_OPC_LDRW_IP,
    ARMV8_OPC_NUM,
};
 
extern uint32_t armv8_opcode(struct armv8_common *armv8, enum armv8_opcode);
extern void armv8_select_opcodes(struct armv8_common *armv8, bool state_is_aarch64);
 
#endif /* OPENOCD_TARGET_ARMV8_OPCODES_H */