X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Farmv8.c;h=ab60cd371ba613fa058888ef7ffc4a1250ed066f;hp=1b8e450164c0fac0b027cd451b35fac505900d38;hb=HEAD;hpb=1482c26a4e656eaa35712895024a56303f4ba7ea diff --git a/src/target/armv8.c b/src/target/armv8.c index 1b8e450164..bf582ff801 100644 --- a/src/target/armv8.c +++ b/src/target/armv8.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + /*************************************************************************** * Copyright (C) 2015 by David Ung * * * - * 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, write to the * - * Free Software Foundation, Inc., * + * Copyright (C) 2018 by Liviu Ionescu * + * * ***************************************************************************/ #ifdef HAVE_CONFIG_H @@ -28,6 +19,7 @@ #include "register.h" #include #include +#include #include #include @@ -36,6 +28,7 @@ #include "armv8_opcodes.h" #include "target.h" #include "target_type.h" +#include "semihosting_common.h" static const char * const armv8_state_strings[] = { "AArch32", "Thumb", "Jazelle", "ThumbEE", "AArch64", @@ -69,6 +62,18 @@ static const struct { .name = "ABT", .psr = ARM_MODE_ABT, }, + { + .name = "HYP", + .psr = ARM_MODE_HYP, + }, + { + .name = "UND", + .psr = ARM_MODE_UND, + }, + { + .name = "SYS", + .psr = ARM_MODE_SYS, + }, { .name = "EL0T", .psr = ARMV8_64_EL0T, @@ -110,6 +115,166 @@ const char *armv8_mode_name(unsigned psr_mode) return "UNRECOGNIZED"; } +static uint8_t armv8_pa_size(uint32_t ps) +{ + uint8_t ret = 0; + switch (ps) { + case 0: + ret = 32; + break; + case 1: + ret = 36; + break; + case 2: + ret = 40; + break; + case 3: + ret = 42; + break; + case 4: + ret = 44; + break; + case 5: + ret = 48; + break; + default: + LOG_INFO("Unknown physical address size"); + break; + } + return ret; +} + +static __attribute__((unused)) int armv8_read_ttbcr32(struct target *target) +{ + struct armv8_common *armv8 = target_to_armv8(target); + struct arm_dpm *dpm = armv8->arm.dpm; + uint32_t ttbcr, ttbcr_n; + int retval = dpm->prepare(dpm); + if (retval != ERROR_OK) + goto done; + /* MRC p15,0,,c2,c0,2 ; Read CP15 Translation Table Base Control Register*/ + retval = dpm->instr_read_data_r0(dpm, + ARMV4_5_MRC(15, 0, 0, 2, 0, 2), + &ttbcr); + if (retval != ERROR_OK) + goto done; + + LOG_DEBUG("ttbcr %" PRIx32, ttbcr); + + ttbcr_n = ttbcr & 0x7; + armv8->armv8_mmu.ttbcr = ttbcr; + + /* + * ARM Architecture Reference Manual (ARMv7-A and ARMv7-R edition), + * document # ARM DDI 0406C + */ + armv8->armv8_mmu.ttbr_range[0] = 0xffffffff >> ttbcr_n; + armv8->armv8_mmu.ttbr_range[1] = 0xffffffff; + armv8->armv8_mmu.ttbr_mask[0] = 0xffffffff << (14 - ttbcr_n); + armv8->armv8_mmu.ttbr_mask[1] = 0xffffffff << 14; + + LOG_DEBUG("ttbr1 %s, ttbr0_mask %" PRIx32 " ttbr1_mask %" PRIx32, + (ttbcr_n != 0) ? "used" : "not used", + armv8->armv8_mmu.ttbr_mask[0], + armv8->armv8_mmu.ttbr_mask[1]); + +done: + dpm->finish(dpm); + return retval; +} + +static int armv8_read_ttbcr(struct target *target) +{ + struct armv8_common *armv8 = target_to_armv8(target); + struct arm_dpm *dpm = armv8->arm.dpm; + struct arm *arm = &armv8->arm; + uint32_t ttbcr; + uint64_t ttbcr_64; + + int retval = dpm->prepare(dpm); + if (retval != ERROR_OK) + goto done; + + /* clear ttrr1_used and ttbr0_mask */ + memset(&armv8->armv8_mmu.ttbr1_used, 0, sizeof(armv8->armv8_mmu.ttbr1_used)); + memset(&armv8->armv8_mmu.ttbr0_mask, 0, sizeof(armv8->armv8_mmu.ttbr0_mask)); + + switch (armv8_curel_from_core_mode(arm->core_mode)) { + case SYSTEM_CUREL_EL3: + retval = dpm->instr_read_data_r0(dpm, + ARMV8_MRS(SYSTEM_TCR_EL3, 0), + &ttbcr); + retval += dpm->instr_read_data_r0_64(dpm, + ARMV8_MRS(SYSTEM_TTBR0_EL3, 0), + &armv8->ttbr_base); + if (retval != ERROR_OK) + goto done; + armv8->va_size = 64 - (ttbcr & 0x3F); + armv8->pa_size = armv8_pa_size((ttbcr >> 16) & 7); + armv8->page_size = (ttbcr >> 14) & 3; + break; + case SYSTEM_CUREL_EL2: + retval = dpm->instr_read_data_r0(dpm, + ARMV8_MRS(SYSTEM_TCR_EL2, 0), + &ttbcr); + retval += dpm->instr_read_data_r0_64(dpm, + ARMV8_MRS(SYSTEM_TTBR0_EL2, 0), + &armv8->ttbr_base); + if (retval != ERROR_OK) + goto done; + armv8->va_size = 64 - (ttbcr & 0x3F); + armv8->pa_size = armv8_pa_size((ttbcr >> 16) & 7); + armv8->page_size = (ttbcr >> 14) & 3; + break; + case SYSTEM_CUREL_EL0: + armv8_dpm_modeswitch(dpm, ARMV8_64_EL1H); + /* fall through */ + case SYSTEM_CUREL_EL1: + retval = dpm->instr_read_data_r0_64(dpm, + ARMV8_MRS(SYSTEM_TCR_EL1, 0), + &ttbcr_64); + armv8->va_size = 64 - (ttbcr_64 & 0x3F); + armv8->pa_size = armv8_pa_size((ttbcr_64 >> 32) & 7); + armv8->page_size = (ttbcr_64 >> 14) & 3; + armv8->armv8_mmu.ttbr1_used = (((ttbcr_64 >> 16) & 0x3F) != 0) ? 1 : 0; + armv8->armv8_mmu.ttbr0_mask = 0x0000FFFFFFFFFFFFULL; + retval += dpm->instr_read_data_r0_64(dpm, + ARMV8_MRS(SYSTEM_TTBR0_EL1 | (armv8->armv8_mmu.ttbr1_used), 0), + &armv8->ttbr_base); + if (retval != ERROR_OK) + goto done; + break; + default: + LOG_ERROR("unknown core state"); + retval = ERROR_FAIL; + break; + } + if (retval != ERROR_OK) + goto done; + + if (armv8->armv8_mmu.ttbr1_used == 1) + LOG_INFO("TTBR0 access above %" PRIx64, (uint64_t)(armv8->armv8_mmu.ttbr0_mask)); + +done: + armv8_dpm_modeswitch(dpm, ARM_MODE_ANY); + dpm->finish(dpm); + return retval; +} + +static int armv8_get_pauth_mask(struct armv8_common *armv8, uint64_t *mask) +{ + struct arm *arm = &armv8->arm; + int retval = ERROR_OK; + if (armv8->va_size == 0) + retval = armv8_read_ttbcr(arm->target); + if (retval != ERROR_OK) + return retval; + + *mask = ~(((uint64_t)1 << armv8->va_size) - 1); + + return retval; +} + static int armv8_read_reg(struct armv8_common *armv8, int regnum, uint64_t *regval) { struct arm_dpm *dpm = &armv8->dpm; @@ -130,11 +295,21 @@ static int armv8_read_reg(struct armv8_common *armv8, int regnum, uint64_t *regv retval = dpm->instr_read_data_r0_64(dpm, ARMV8_MRS_DLR(0), &value_64); break; - case ARMV8_xPSR: + case ARMV8_XPSR: retval = dpm->instr_read_data_r0(dpm, ARMV8_MRS_DSPSR(0), &value); value_64 = value; break; + case ARMV8_FPSR: + retval = dpm->instr_read_data_r0(dpm, + ARMV8_MRS_FPSR(0), &value); + value_64 = value; + break; + case ARMV8_FPCR: + retval = dpm->instr_read_data_r0(dpm, + ARMV8_MRS_FPCR(0), &value); + value_64 = value; + break; case ARMV8_ELR_EL1: retval = dpm->instr_read_data_r0_64(dpm, ARMV8_MRS(SYSTEM_ELR_EL1, 0), &value_64); @@ -177,13 +352,42 @@ static int armv8_read_reg(struct armv8_common *armv8, int regnum, uint64_t *regv ARMV8_MRS(SYSTEM_SPSR_EL3, 0), &value); value_64 = value; break; + case ARMV8_PAUTH_CMASK: + case ARMV8_PAUTH_DMASK: + retval = armv8_get_pauth_mask(armv8, &value_64); + break; default: retval = ERROR_FAIL; break; } - if (retval == ERROR_OK && regval != NULL) + if (retval == ERROR_OK && regval) *regval = value_64; + else + retval = ERROR_FAIL; + + return retval; +} + +static int armv8_read_reg_simdfp_aarch64(struct armv8_common *armv8, int regnum, uint64_t *lvalue, uint64_t *hvalue) +{ + int retval = ERROR_FAIL; + struct arm_dpm *dpm = &armv8->dpm; + + switch (regnum) { + case ARMV8_V0 ... ARMV8_V31: + retval = dpm->instr_read_data_r0_64(dpm, + ARMV8_MOV_GPR_VFP(0, (regnum - ARMV8_V0), 1), hvalue); + if (retval != ERROR_OK) + return retval; + retval = dpm->instr_read_data_r0_64(dpm, + ARMV8_MOV_GPR_VFP(0, (regnum - ARMV8_V0), 0), lvalue); + break; + + default: + retval = ERROR_FAIL; + break; + } return retval; } @@ -210,12 +414,24 @@ static int armv8_write_reg(struct armv8_common *armv8, int regnum, uint64_t valu ARMV8_MSR_DLR(0), value_64); break; - case ARMV8_xPSR: + case ARMV8_XPSR: value = value_64; retval = dpm->instr_write_data_r0(dpm, ARMV8_MSR_DSPSR(0), value); break; + case ARMV8_FPSR: + value = value_64; + retval = dpm->instr_write_data_r0(dpm, + ARMV8_MSR_FPSR(0), + value); + break; + case ARMV8_FPCR: + value = value_64; + retval = dpm->instr_write_data_r0(dpm, + ARMV8_MSR_FPCR(0), + value); + break; /* registers clobbered by taking exception in debug state */ case ARMV8_ELR_EL1: retval = dpm->instr_write_data_r0_64(dpm, @@ -267,6 +483,29 @@ static int armv8_write_reg(struct armv8_common *armv8, int regnum, uint64_t valu return retval; } +static int armv8_write_reg_simdfp_aarch64(struct armv8_common *armv8, int regnum, uint64_t lvalue, uint64_t hvalue) +{ + int retval = ERROR_FAIL; + struct arm_dpm *dpm = &armv8->dpm; + + switch (regnum) { + case ARMV8_V0 ... ARMV8_V31: + retval = dpm->instr_write_data_r0_64(dpm, + ARMV8_MOV_VFP_GPR((regnum - ARMV8_V0), 0, 1), hvalue); + if (retval != ERROR_OK) + return retval; + retval = dpm->instr_write_data_r0_64(dpm, + ARMV8_MOV_VFP_GPR((regnum - ARMV8_V0), 0, 0), lvalue); + break; + + default: + retval = ERROR_FAIL; + break; + } + + return retval; +} + static int armv8_read_reg32(struct armv8_common *armv8, int regnum, uint64_t *regval) { struct arm_dpm *dpm = &armv8->dpm; @@ -290,7 +529,7 @@ static int armv8_read_reg32(struct armv8_common *armv8, int regnum, uint64_t *re ARMV8_MRC_DLR(0), &value); break; - case ARMV8_xPSR: + case ARMV8_XPSR: retval = dpm->instr_read_data_r0(dpm, ARMV8_MRC_DSPSR(0), &value); @@ -325,30 +564,87 @@ static int armv8_read_reg32(struct armv8_common *armv8, int regnum, uint64_t *re break; case ARMV8_SPSR_EL1: /* mapped to SPSR_svc */ retval = dpm->instr_read_data_r0(dpm, - ARMV8_MRS_xPSR_T1(1, 0), + ARMV8_MRS_XPSR_T1(1, 0), &value); break; case ARMV8_SPSR_EL2: /* mapped to SPSR_hyp */ retval = dpm->instr_read_data_r0(dpm, - ARMV8_MRS_xPSR_T1(1, 0), + ARMV8_MRS_XPSR_T1(1, 0), &value); break; case ARMV8_SPSR_EL3: /* mapped to SPSR_mon */ retval = dpm->instr_read_data_r0(dpm, - ARMV8_MRS_xPSR_T1(1, 0), + ARMV8_MRS_XPSR_T1(1, 0), &value); break; + case ARMV8_FPSR: + /* "VMRS r0, FPSCR"; then return via DCC */ + retval = dpm->instr_read_data_r0(dpm, + ARMV4_5_VMRS(0), &value); + break; default: retval = ERROR_FAIL; break; } - if (retval == ERROR_OK && regval != NULL) + if (retval == ERROR_OK && regval) *regval = value; return retval; } +static int armv8_read_reg_simdfp_aarch32(struct armv8_common *armv8, int regnum, uint64_t *lvalue, uint64_t *hvalue) +{ + int retval = ERROR_FAIL; + struct arm_dpm *dpm = &armv8->dpm; + struct reg *reg_r1 = dpm->arm->core_cache->reg_list + ARMV8_R1; + uint32_t value_r0 = 0, value_r1 = 0; + unsigned num = (regnum - ARMV8_V0) << 1; + + switch (regnum) { + case ARMV8_V0 ... ARMV8_V15: + /* we are going to write R1, mark it dirty */ + reg_r1->dirty = true; + /* move from double word register to r0:r1: "vmov r0, r1, vm" + * then read r0 via dcc + */ + retval = dpm->instr_read_data_r0(dpm, + ARMV4_5_VMOV(1, 1, 0, (num >> 4), (num & 0xf)), + &value_r0); + if (retval != ERROR_OK) + return retval; + /* read r1 via dcc */ + retval = dpm->instr_read_data_dcc(dpm, + ARMV4_5_MCR(14, 0, 1, 0, 5, 0), + &value_r1); + if (retval != ERROR_OK) + return retval; + *lvalue = value_r1; + *lvalue = ((*lvalue) << 32) | value_r0; + + num++; + /* repeat above steps for high 64 bits of V register */ + retval = dpm->instr_read_data_r0(dpm, + ARMV4_5_VMOV(1, 1, 0, (num >> 4), (num & 0xf)), + &value_r0); + if (retval != ERROR_OK) + return retval; + retval = dpm->instr_read_data_dcc(dpm, + ARMV4_5_MCR(14, 0, 1, 0, 5, 0), + &value_r1); + if (retval != ERROR_OK) + return retval; + *hvalue = value_r1; + *hvalue = ((*hvalue) << 32) | value_r0; + break; + default: + retval = ERROR_FAIL; + break; + } + + return retval; +} + static int armv8_write_reg32(struct armv8_common *armv8, int regnum, uint64_t value) { struct arm_dpm *dpm = &armv8->dpm; @@ -369,7 +665,7 @@ static int armv8_write_reg32(struct armv8_common *armv8, int regnum, uint64_t va retval = dpm->instr_write_data_r0(dpm, ARMV8_MCR_DLR(0), value); break; - case ARMV8_xPSR: /* CPSR */ + case ARMV8_XPSR: /* CPSR */ /* read r0 from DCC, then "MCR r0, DSPSR" */ retval = dpm->instr_write_data_r0(dpm, ARMV8_MCR_DSPSR(0), value); @@ -404,19 +700,24 @@ static int armv8_write_reg32(struct armv8_common *armv8, int regnum, uint64_t va break; case ARMV8_SPSR_EL1: /* mapped to SPSR_svc */ retval = dpm->instr_write_data_r0(dpm, - ARMV8_MSR_GP_xPSR_T1(1, 0, 15), + ARMV8_MSR_GP_XPSR_T1(1, 0, 15), value); break; case ARMV8_SPSR_EL2: /* mapped to SPSR_hyp */ retval = dpm->instr_write_data_r0(dpm, - ARMV8_MSR_GP_xPSR_T1(1, 0, 15), + ARMV8_MSR_GP_XPSR_T1(1, 0, 15), value); break; case ARMV8_SPSR_EL3: /* mapped to SPSR_mon */ retval = dpm->instr_write_data_r0(dpm, - ARMV8_MSR_GP_xPSR_T1(1, 0, 15), + ARMV8_MSR_GP_XPSR_T1(1, 0, 15), value); break; + case ARMV8_FPSR: + /* move to r0 from DCC, then "VMSR FPSCR, r0" */ + retval = dpm->instr_write_data_r0(dpm, + ARMV4_5_VMSR(0), value); + break; default: retval = ERROR_FAIL; break; @@ -426,14 +727,69 @@ static int armv8_write_reg32(struct armv8_common *armv8, int regnum, uint64_t va } +static int armv8_write_reg_simdfp_aarch32(struct armv8_common *armv8, int regnum, uint64_t lvalue, uint64_t hvalue) +{ + int retval = ERROR_FAIL; + struct arm_dpm *dpm = &armv8->dpm; + struct reg *reg_r1 = dpm->arm->core_cache->reg_list + ARMV8_R1; + uint32_t value_r0 = 0, value_r1 = 0; + unsigned num = (regnum - ARMV8_V0) << 1; + + switch (regnum) { + case ARMV8_V0 ... ARMV8_V15: + /* we are going to write R1, mark it dirty */ + reg_r1->dirty = true; + value_r1 = lvalue >> 32; + value_r0 = lvalue & 0xFFFFFFFF; + /* write value_r1 to r1 via dcc */ + retval = dpm->instr_write_data_dcc(dpm, + ARMV4_5_MRC(14, 0, 1, 0, 5, 0), + value_r1); + if (retval != ERROR_OK) + return retval; + /* write value_r0 to r0 via dcc then, + * move to double word register from r0:r1: "vmov vm, r0, r1" + */ + retval = dpm->instr_write_data_r0(dpm, + ARMV4_5_VMOV(0, 1, 0, (num >> 4), (num & 0xf)), + value_r0); + if (retval != ERROR_OK) + return retval; + + num++; + /* repeat above steps for high 64 bits of V register */ + value_r1 = hvalue >> 32; + value_r0 = hvalue & 0xFFFFFFFF; + retval = dpm->instr_write_data_dcc(dpm, + ARMV4_5_MRC(14, 0, 1, 0, 5, 0), + value_r1); + if (retval != ERROR_OK) + return retval; + retval = dpm->instr_write_data_r0(dpm, + ARMV4_5_VMOV(0, 1, 0, (num >> 4), (num & 0xf)), + value_r0); + break; + default: + retval = ERROR_FAIL; + break; + } + + return retval; +} + void armv8_select_reg_access(struct armv8_common *armv8, bool is_aarch64) { if (is_aarch64) { armv8->read_reg_u64 = armv8_read_reg; armv8->write_reg_u64 = armv8_write_reg; + armv8->read_reg_u128 = armv8_read_reg_simdfp_aarch64; + armv8->write_reg_u128 = armv8_write_reg_simdfp_aarch64; + } else { armv8->read_reg_u64 = armv8_read_reg32; armv8->write_reg_u64 = armv8_write_reg32; + armv8->read_reg_u128 = armv8_read_reg_simdfp_aarch32; + armv8->write_reg_u128 = armv8_write_reg_simdfp_aarch32; } } @@ -441,6 +797,7 @@ void armv8_select_reg_access(struct armv8_common *armv8, bool is_aarch64) int armv8_read_mpidr(struct armv8_common *armv8) { int retval = ERROR_FAIL; + struct arm *arm = &armv8->arm; struct arm_dpm *dpm = armv8->arm.dpm; uint32_t mpidr; @@ -448,10 +805,17 @@ int armv8_read_mpidr(struct armv8_common *armv8) if (retval != ERROR_OK) goto done; + /* check if we're in an unprivileged mode */ + if (armv8_curel_from_core_mode(arm->core_mode) < SYSTEM_CUREL_EL1) { + retval = armv8_dpm_modeswitch(dpm, ARMV8_64_EL1H); + if (retval != ERROR_OK) + return retval; + } + retval = dpm->instr_read_data_r0(dpm, armv8_opcode(armv8, READ_REG_MPIDR), &mpidr); if (retval != ERROR_OK) goto done; - if (mpidr & 1<<31) { + if (mpidr & 1U<<31) { armv8->multi_processor_system = (mpidr >> 30) & 1; armv8->cluster_id = (mpidr >> 8) & 0xf; armv8->cpu_id = mpidr & 0x3; @@ -463,6 +827,7 @@ int armv8_read_mpidr(struct armv8_common *armv8) LOG_ERROR("mpidr not in multiprocessor format"); done: + armv8_dpm_modeswitch(dpm, ARM_MODE_ANY); dpm->finish(dpm); return retval; } @@ -482,8 +847,8 @@ void armv8_set_cpsr(struct arm *arm, uint32_t cpsr) */ if (arm->cpsr) { buf_set_u32(arm->cpsr->value, 0, 32, cpsr); - arm->cpsr->valid = 1; - arm->cpsr->dirty = 0; + arm->cpsr->valid = true; + arm->cpsr->dirty = false; } /* Older ARMs won't have the J bit */ @@ -503,219 +868,73 @@ void armv8_set_cpsr(struct arm *arm, uint32_t cpsr) state = ARM_STATE_JAZELLE; } else state = ARM_STATE_ARM; - } - } else { - /* Aarch64 state */ - state = ARM_STATE_AARCH64; - } - - arm->core_state = state; - arm->core_mode = mode; - - LOG_DEBUG("set CPSR %#8.8x: %s mode, %s state", (unsigned) cpsr, - armv8_mode_name(arm->core_mode), - armv8_state_strings[arm->core_state]); -} - -static void armv8_show_fault_registers32(struct armv8_common *armv8) -{ - uint32_t dfsr, ifsr, dfar, ifar; - struct arm_dpm *dpm = armv8->arm.dpm; - int retval; - - retval = dpm->prepare(dpm); - if (retval != ERROR_OK) - return; - - /* ARMV4_5_MRC(cpnum, op1, r0, CRn, CRm, op2) */ - - /* c5/c0 - {data, instruction} fault status registers */ - retval = dpm->instr_read_data_r0(dpm, - ARMV4_5_MRC(15, 0, 0, 5, 0, 0), - &dfsr); - if (retval != ERROR_OK) - goto done; - - retval = dpm->instr_read_data_r0(dpm, - ARMV4_5_MRC(15, 0, 0, 5, 0, 1), - &ifsr); - if (retval != ERROR_OK) - goto done; - - /* c6/c0 - {data, instruction} fault address registers */ - retval = dpm->instr_read_data_r0(dpm, - ARMV4_5_MRC(15, 0, 0, 6, 0, 0), - &dfar); - if (retval != ERROR_OK) - goto done; - - retval = dpm->instr_read_data_r0(dpm, - ARMV4_5_MRC(15, 0, 0, 6, 0, 2), - &ifar); - if (retval != ERROR_OK) - goto done; - - LOG_USER("Data fault registers DFSR: %8.8" PRIx32 - ", DFAR: %8.8" PRIx32, dfsr, dfar); - LOG_USER("Instruction fault registers IFSR: %8.8" PRIx32 - ", IFAR: %8.8" PRIx32, ifsr, ifar); - -done: - /* (void) */ dpm->finish(dpm); -} - -static __attribute__((unused)) void armv8_show_fault_registers(struct target *target) -{ - struct armv8_common *armv8 = target_to_armv8(target); - - if (armv8->arm.core_state != ARM_STATE_AARCH64) - armv8_show_fault_registers32(armv8); -} - -static uint8_t armv8_pa_size(uint32_t ps) -{ - uint8_t ret = 0; - switch (ps) { - case 0: - ret = 32; - break; - case 1: - ret = 36; - break; - case 2: - ret = 40; - break; - case 3: - ret = 42; - break; - case 4: - ret = 44; - break; - case 5: - ret = 48; - break; - default: - LOG_INFO("Unknow physicall address size"); - break; - } - return ret; -} - -static __attribute__((unused)) int armv8_read_ttbcr32(struct target *target) -{ - struct armv8_common *armv8 = target_to_armv8(target); - struct arm_dpm *dpm = armv8->arm.dpm; - uint32_t ttbcr, ttbcr_n; - int retval = dpm->prepare(dpm); - if (retval != ERROR_OK) - goto done; - /* MRC p15,0,,c2,c0,2 ; Read CP15 Translation Table Base Control Register*/ - retval = dpm->instr_read_data_r0(dpm, - ARMV4_5_MRC(15, 0, 0, 2, 0, 2), - &ttbcr); - if (retval != ERROR_OK) - goto done; - - LOG_DEBUG("ttbcr %" PRIx32, ttbcr); - - ttbcr_n = ttbcr & 0x7; - armv8->armv8_mmu.ttbcr = ttbcr; - - /* - * ARM Architecture Reference Manual (ARMv7-A and ARMv7-Redition), - * document # ARM DDI 0406C - */ - armv8->armv8_mmu.ttbr_range[0] = 0xffffffff >> ttbcr_n; - armv8->armv8_mmu.ttbr_range[1] = 0xffffffff; - armv8->armv8_mmu.ttbr_mask[0] = 0xffffffff << (14 - ttbcr_n); - armv8->armv8_mmu.ttbr_mask[1] = 0xffffffff << 14; + } + } else { + /* Aarch64 state */ + state = ARM_STATE_AARCH64; + } - LOG_DEBUG("ttbr1 %s, ttbr0_mask %" PRIx32 " ttbr1_mask %" PRIx32, - (ttbcr_n != 0) ? "used" : "not used", - armv8->armv8_mmu.ttbr_mask[0], - armv8->armv8_mmu.ttbr_mask[1]); + arm->core_state = state; + arm->core_mode = mode; -done: - dpm->finish(dpm); - return retval; + LOG_DEBUG("set CPSR %#8.8x: %s mode, %s state", (unsigned) cpsr, + armv8_mode_name(arm->core_mode), + armv8_state_strings[arm->core_state]); } -static __attribute__((unused)) int armv8_read_ttbcr(struct target *target) +static void armv8_show_fault_registers32(struct armv8_common *armv8) { - struct armv8_common *armv8 = target_to_armv8(target); + uint32_t dfsr, ifsr, dfar, ifar; struct arm_dpm *dpm = armv8->arm.dpm; - struct arm *arm = &armv8->arm; - uint32_t ttbcr; - uint64_t ttbcr_64; + int retval; - int retval = dpm->prepare(dpm); + retval = dpm->prepare(dpm); + if (retval != ERROR_OK) + return; + + /* ARMV4_5_MRC(cpnum, op1, r0, crn, crm, op2) */ + + /* c5/c0 - {data, instruction} fault status registers */ + retval = dpm->instr_read_data_r0(dpm, + ARMV4_5_MRC(15, 0, 0, 5, 0, 0), + &dfsr); if (retval != ERROR_OK) goto done; - /* claaer ttrr1_used and ttbr0_mask */ - memset(&armv8->armv8_mmu.ttbr1_used, 0, sizeof(armv8->armv8_mmu.ttbr1_used)); - memset(&armv8->armv8_mmu.ttbr0_mask, 0, sizeof(armv8->armv8_mmu.ttbr0_mask)); + retval = dpm->instr_read_data_r0(dpm, + ARMV4_5_MRC(15, 0, 0, 5, 0, 1), + &ifsr); + if (retval != ERROR_OK) + goto done; - switch (armv8_curel_from_core_mode(arm->core_mode)) { - case SYSTEM_CUREL_EL3: - retval = dpm->instr_read_data_r0(dpm, - ARMV8_MRS(SYSTEM_TCR_EL3, 0), - &ttbcr); - retval += dpm->instr_read_data_r0_64(dpm, - ARMV8_MRS(SYSTEM_TTBR0_EL3, 0), - &armv8->ttbr_base); - if (retval != ERROR_OK) - goto done; - armv8->va_size = 64 - (ttbcr & 0x3F); - armv8->pa_size = armv8_pa_size((ttbcr >> 16) & 7); - armv8->page_size = (ttbcr >> 14) & 3; - break; - case SYSTEM_CUREL_EL2: - retval = dpm->instr_read_data_r0(dpm, - ARMV8_MRS(SYSTEM_TCR_EL2, 0), - &ttbcr); - retval += dpm->instr_read_data_r0_64(dpm, - ARMV8_MRS(SYSTEM_TTBR0_EL2, 0), - &armv8->ttbr_base); - if (retval != ERROR_OK) - goto done; - armv8->va_size = 64 - (ttbcr & 0x3F); - armv8->pa_size = armv8_pa_size((ttbcr >> 16) & 7); - armv8->page_size = (ttbcr >> 14) & 3; - break; - case SYSTEM_CUREL_EL0: - armv8_dpm_modeswitch(dpm, ARMV8_64_EL1H); - /* fall through */ - case SYSTEM_CUREL_EL1: - retval = dpm->instr_read_data_r0_64(dpm, - ARMV8_MRS(SYSTEM_TCR_EL1, 0), - &ttbcr_64); - armv8->va_size = 64 - (ttbcr_64 & 0x3F); - armv8->pa_size = armv8_pa_size((ttbcr_64 >> 32) & 7); - armv8->page_size = (ttbcr_64 >> 14) & 3; - armv8->armv8_mmu.ttbr1_used = (((ttbcr_64 >> 16) & 0x3F) != 0) ? 1 : 0; - armv8->armv8_mmu.ttbr0_mask = 0x0000FFFFFFFFFFFF; - retval += dpm->instr_read_data_r0_64(dpm, - ARMV8_MRS(SYSTEM_TTBR0_EL1 | (armv8->armv8_mmu.ttbr1_used), 0), - &armv8->ttbr_base); - if (retval != ERROR_OK) - goto done; - break; - default: - LOG_ERROR("unknow core state"); - retval = ERROR_FAIL; - break; - } + /* c6/c0 - {data, instruction} fault address registers */ + retval = dpm->instr_read_data_r0(dpm, + ARMV4_5_MRC(15, 0, 0, 6, 0, 0), + &dfar); if (retval != ERROR_OK) goto done; - if (armv8->armv8_mmu.ttbr1_used == 1) - LOG_INFO("TTBR0 access above %" PRIx64, (uint64_t)(armv8->armv8_mmu.ttbr0_mask)); + retval = dpm->instr_read_data_r0(dpm, + ARMV4_5_MRC(15, 0, 0, 6, 0, 2), + &ifar); + if (retval != ERROR_OK) + goto done; + + LOG_USER("Data fault registers DFSR: %8.8" PRIx32 + ", DFAR: %8.8" PRIx32, dfsr, dfar); + LOG_USER("Instruction fault registers IFSR: %8.8" PRIx32 + ", IFAR: %8.8" PRIx32, ifsr, ifar); done: - armv8_dpm_modeswitch(dpm, ARM_MODE_ANY); - dpm->finish(dpm); - return retval; + /* (void) */ dpm->finish(dpm); +} + +static __attribute__((unused)) void armv8_show_fault_registers(struct target *target) +{ + struct armv8_common *armv8 = target_to_armv8(target); + + if (armv8->arm.core_state != ARM_STATE_AARCH64) + armv8_show_fault_registers32(armv8); } /* method adapted to cortex A : reused arm v4 v5 method*/ @@ -724,6 +943,81 @@ int armv8_mmu_translate_va(struct target *target, target_addr_t va, target_addr return ERROR_OK; } +static void armv8_decode_cacheability(int attr) +{ + if (attr == 0) { + LOG_USER_N("UNPREDICTABLE"); + return; + } + if (attr == 4) { + LOG_USER_N("Non-cacheable"); + return; + } + switch (attr & 0xC) { + case 0: + LOG_USER_N("Write-Through Transient"); + break; + case 0x4: + LOG_USER_N("Write-Back Transient"); + break; + case 0x8: + LOG_USER_N("Write-Through Non-transient"); + break; + case 0xC: + LOG_USER_N("Write-Back Non-transient"); + break; + } + if (attr & 2) + LOG_USER_N(" Read-Allocate"); + else + LOG_USER_N(" No-Read Allocate"); + if (attr & 1) + LOG_USER_N(" Write-Allocate"); + else + LOG_USER_N(" No-Write Allocate"); +} + +static void armv8_decode_memory_attr(int attr) +{ + if (attr == 0x40) { + LOG_USER("Normal Memory, Inner Non-cacheable, " + "Outer Non-cacheable, XS=0"); + } else if (attr == 0xA0) { + LOG_USER("Normal Memory, Inner Write-through Cacheable, " + "Outer Write-through Cacheable, Read-Allocate, " + "No-Write Allocate, Non-transient, XS=0"); + } else if (attr == 0xF0) { + LOG_USER("Tagged Normal Memory, Inner Write-Back, " + "Outer Write-Back, Read-Allocate, Write-Allocate, " + "Non-transient"); + } else if ((attr & 0xF0) == 0) { + switch (attr & 0xC) { + case 0: + LOG_USER_N("Device-nGnRnE Memory"); + break; + case 0x4: + LOG_USER_N("Device-nGnRE Memory"); + break; + case 0x8: + LOG_USER_N("Device-nGRE Memory"); + break; + case 0xC: + LOG_USER_N("Device-GRE Memory"); + break; + } + if (attr & 1) + LOG_USER(", XS=0"); + else + LOG_USER_N("\n"); + } else { + LOG_USER_N("Normal Memory, Inner "); + armv8_decode_cacheability(attr & 0xF); + LOG_USER_N(", Outer "); + armv8_decode_cacheability(attr >> 4); + LOG_USER_N("\n"); + } +} + /* V8 method VA TO PA */ int armv8_mmu_translate_va_pa(struct target *target, target_addr_t va, target_addr_t *val, int meminfo) @@ -744,6 +1038,11 @@ int armv8_mmu_translate_va_pa(struct target *target, target_addr_t va, "Secure", "Not Secure" }; + if (target->state != TARGET_HALTED) { + LOG_TARGET_ERROR(target, "not halted"); + return ERROR_TARGET_NOT_HALTED; + } + retval = dpm->prepare(dpm); if (retval != ERROR_OK) return retval; @@ -801,27 +1100,105 @@ int armv8_mmu_translate_va_pa(struct target *target, target_addr_t va, int NS = (par >> 9) & 1; int ATTR = (par >> 56) & 0xFF; - char *memtype = (ATTR & 0xF0) == 0 ? "Device Memory" : "Normal Memory"; - LOG_USER("%sshareable, %s", shared_name[SH], secure_name[NS]); - LOG_USER("%s", memtype); + armv8_decode_memory_attr(ATTR); } } return retval; } -int armv8_handle_cache_info_command(struct command_context *cmd_ctx, +COMMAND_HANDLER(armv8_handle_exception_catch_command) +{ + struct target *target = get_current_target(CMD_CTX); + struct armv8_common *armv8 = target_to_armv8(target); + uint32_t edeccr = 0; + unsigned int argp = 0; + int retval; + + static const struct nvp nvp_ecatch_modes[] = { + { .name = "off", .value = 0 }, + { .name = "nsec_el1", .value = (1 << 5) }, + { .name = "nsec_el2", .value = (2 << 5) }, + { .name = "nsec_el12", .value = (3 << 5) }, + { .name = "sec_el1", .value = (1 << 1) }, + { .name = "sec_el3", .value = (4 << 1) }, + { .name = "sec_el13", .value = (5 << 1) }, + { .name = NULL, .value = -1 }, + }; + const struct nvp *n; + + if (CMD_ARGC == 0) { + const char *sec = NULL, *nsec = NULL; + + retval = mem_ap_read_atomic_u32(armv8->debug_ap, + armv8->debug_base + CPUV8_DBG_ECCR, &edeccr); + if (retval != ERROR_OK) + return retval; + + n = nvp_value2name(nvp_ecatch_modes, edeccr & 0x0f); + if (n->name) + sec = n->name; + + n = nvp_value2name(nvp_ecatch_modes, edeccr & 0xf0); + if (n->name) + nsec = n->name; + + if (!sec || !nsec) { + LOG_WARNING("Exception Catch: unknown exception catch configuration: EDECCR = %02" PRIx32, edeccr & 0xff); + return ERROR_FAIL; + } + + command_print(CMD, "Exception Catch: Secure: %s, Non-Secure: %s", sec, nsec); + return ERROR_OK; + } + + while (argp < CMD_ARGC) { + n = nvp_name2value(nvp_ecatch_modes, CMD_ARGV[argp]); + if (!n->name) { + LOG_ERROR("Unknown option: %s", CMD_ARGV[argp]); + return ERROR_FAIL; + } + + LOG_DEBUG("found: %s", n->name); + + edeccr |= n->value; + argp++; + } + + retval = mem_ap_write_atomic_u32(armv8->debug_ap, + armv8->debug_base + CPUV8_DBG_ECCR, edeccr); + if (retval != ERROR_OK) + return retval; + + return ERROR_OK; +} + +COMMAND_HANDLER(armv8_pauth_command) +{ + struct target *target = get_current_target(CMD_CTX); + struct armv8_common *armv8 = target_to_armv8(target); + return CALL_COMMAND_HANDLER(handle_command_parse_bool, + &armv8->enable_pauth, + "pauth feature"); +} + +int armv8_handle_cache_info_command(struct command_invocation *cmd, struct armv8_cache_common *armv8_cache) { if (armv8_cache->info == -1) { - command_print(cmd_ctx, "cache not yet identified"); + command_print(cmd, "cache not yet identified"); return ERROR_OK; } if (armv8_cache->display_cache_info) - armv8_cache->display_cache_info(cmd_ctx, armv8_cache); + armv8_cache->display_cache_info(cmd, armv8_cache); + return ERROR_OK; +} + +static int armv8_setup_semihosting(struct target *target, int enable) +{ return ERROR_OK; } @@ -830,6 +1207,7 @@ int armv8_init_arch_info(struct target *target, struct armv8_common *armv8) struct arm *arm = &armv8->arm; arm->arch_info = armv8; target->arch_info = &armv8->arm; + arm->setup_semihosting = armv8_setup_semihosting; /* target is useful in all function arm v4 5 compatible */ armv8->arm.target = target; armv8->arm.common_magic = ARM_COMMON_MAGIC; @@ -842,7 +1220,7 @@ int armv8_init_arch_info(struct target *target, struct armv8_common *armv8) return ERROR_OK; } -int armv8_aarch64_state(struct target *target) +static int armv8_aarch64_state(struct target *target) { struct arm *arm = target_to_arm(target); @@ -851,14 +1229,15 @@ int armv8_aarch64_state(struct target *target) return ERROR_FAIL; } - LOG_USER("target halted in %s state due to %s, current mode: %s\n" + LOG_USER("%s halted in %s state due to %s, current mode: %s\n" "cpsr: 0x%8.8" PRIx32 " pc: 0x%" PRIx64 "%s", + target_name(target), armv8_state_strings[arm->core_state], debug_reason_name(target), armv8_mode_name(arm->core_mode), buf_get_u32(arm->cpsr->value, 0, 32), buf_get_u64(arm->pc->value, 0, 64), - arm->is_semihosting ? ", semihosting" : ""); + (target->semihosting && target->semihosting->is_active) ? ", semihosting" : ""); return ERROR_OK; } @@ -891,12 +1270,157 @@ int armv8_arch_state(struct target *target) armv8_show_fault_registers(target); if (target->debug_reason == DBG_REASON_WATCHPOINT) - LOG_USER("Watchpoint triggered at PC %#08x", - (unsigned) armv8->dpm.wp_pc); + LOG_USER("Watchpoint triggered at " TARGET_ADDR_FMT, armv8->dpm.wp_addr); return ERROR_OK; } +static struct reg_data_type aarch64_vector_base_types[] = { + {REG_TYPE_IEEE_DOUBLE, "ieee_double", 0, {NULL} }, + {REG_TYPE_UINT64, "uint64", 0, {NULL} }, + {REG_TYPE_INT64, "int64", 0, {NULL} }, + {REG_TYPE_IEEE_SINGLE, "ieee_single", 0, {NULL} }, + {REG_TYPE_UINT32, "uint32", 0, {NULL} }, + {REG_TYPE_INT32, "int32", 0, {NULL} }, + {REG_TYPE_UINT16, "uint16", 0, {NULL} }, + {REG_TYPE_INT16, "int16", 0, {NULL} }, + {REG_TYPE_UINT8, "uint8", 0, {NULL} }, + {REG_TYPE_INT8, "int8", 0, {NULL} }, + {REG_TYPE_UINT128, "uint128", 0, {NULL} }, + {REG_TYPE_INT128, "int128", 0, {NULL} } +}; + +static struct reg_data_type_vector aarch64_vector_types[] = { + {aarch64_vector_base_types + 0, 2}, + {aarch64_vector_base_types + 1, 2}, + {aarch64_vector_base_types + 2, 2}, + {aarch64_vector_base_types + 3, 4}, + {aarch64_vector_base_types + 4, 4}, + {aarch64_vector_base_types + 5, 4}, + {aarch64_vector_base_types + 6, 8}, + {aarch64_vector_base_types + 7, 8}, + {aarch64_vector_base_types + 8, 16}, + {aarch64_vector_base_types + 9, 16}, + {aarch64_vector_base_types + 10, 01}, + {aarch64_vector_base_types + 11, 01}, +}; + +static struct reg_data_type aarch64_fpu_vector[] = { + {REG_TYPE_ARCH_DEFINED, "v2d", REG_TYPE_CLASS_VECTOR, {aarch64_vector_types + 0} }, + {REG_TYPE_ARCH_DEFINED, "v2u", REG_TYPE_CLASS_VECTOR, {aarch64_vector_types + 1} }, + {REG_TYPE_ARCH_DEFINED, "v2i", REG_TYPE_CLASS_VECTOR, {aarch64_vector_types + 2} }, + {REG_TYPE_ARCH_DEFINED, "v4f", REG_TYPE_CLASS_VECTOR, {aarch64_vector_types + 3} }, + {REG_TYPE_ARCH_DEFINED, "v4u", REG_TYPE_CLASS_VECTOR, {aarch64_vector_types + 4} }, + {REG_TYPE_ARCH_DEFINED, "v4i", REG_TYPE_CLASS_VECTOR, {aarch64_vector_types + 5} }, + {REG_TYPE_ARCH_DEFINED, "v8u", REG_TYPE_CLASS_VECTOR, {aarch64_vector_types + 6} }, + {REG_TYPE_ARCH_DEFINED, "v8i", REG_TYPE_CLASS_VECTOR, {aarch64_vector_types + 7} }, + {REG_TYPE_ARCH_DEFINED, "v16u", REG_TYPE_CLASS_VECTOR, {aarch64_vector_types + 8} }, + {REG_TYPE_ARCH_DEFINED, "v16i", REG_TYPE_CLASS_VECTOR, {aarch64_vector_types + 9} }, + {REG_TYPE_ARCH_DEFINED, "v1u", REG_TYPE_CLASS_VECTOR, {aarch64_vector_types + 10} }, + {REG_TYPE_ARCH_DEFINED, "v1i", REG_TYPE_CLASS_VECTOR, {aarch64_vector_types + 11} }, +}; + +static struct reg_data_type_union_field aarch64_union_fields_vnd[] = { + {"f", aarch64_fpu_vector + 0, aarch64_union_fields_vnd + 1}, + {"u", aarch64_fpu_vector + 1, aarch64_union_fields_vnd + 2}, + {"s", aarch64_fpu_vector + 2, NULL}, +}; + +static struct reg_data_type_union_field aarch64_union_fields_vns[] = { + {"f", aarch64_fpu_vector + 3, aarch64_union_fields_vns + 1}, + {"u", aarch64_fpu_vector + 4, aarch64_union_fields_vns + 2}, + {"s", aarch64_fpu_vector + 5, NULL}, +}; + +static struct reg_data_type_union_field aarch64_union_fields_vnh[] = { + {"u", aarch64_fpu_vector + 6, aarch64_union_fields_vnh + 1}, + {"s", aarch64_fpu_vector + 7, NULL}, +}; + +static struct reg_data_type_union_field aarch64_union_fields_vnb[] = { + {"u", aarch64_fpu_vector + 8, aarch64_union_fields_vnb + 1}, + {"s", aarch64_fpu_vector + 9, NULL}, +}; + +static struct reg_data_type_union_field aarch64_union_fields_vnq[] = { + {"u", aarch64_fpu_vector + 10, aarch64_union_fields_vnq + 1}, + {"s", aarch64_fpu_vector + 11, NULL}, +}; + +static struct reg_data_type_union aarch64_union_types[] = { + {aarch64_union_fields_vnd}, + {aarch64_union_fields_vns}, + {aarch64_union_fields_vnh}, + {aarch64_union_fields_vnb}, + {aarch64_union_fields_vnq}, +}; + +static struct reg_data_type aarch64_fpu_union[] = { + {REG_TYPE_ARCH_DEFINED, "vnd", REG_TYPE_CLASS_UNION, {.reg_type_union = aarch64_union_types + 0} }, + {REG_TYPE_ARCH_DEFINED, "vns", REG_TYPE_CLASS_UNION, {.reg_type_union = aarch64_union_types + 1} }, + {REG_TYPE_ARCH_DEFINED, "vnh", REG_TYPE_CLASS_UNION, {.reg_type_union = aarch64_union_types + 2} }, + {REG_TYPE_ARCH_DEFINED, "vnb", REG_TYPE_CLASS_UNION, {.reg_type_union = aarch64_union_types + 3} }, + {REG_TYPE_ARCH_DEFINED, "vnq", REG_TYPE_CLASS_UNION, {.reg_type_union = aarch64_union_types + 4} }, +}; + +static struct reg_data_type_union_field aarch64v_union_fields[] = { + {"d", aarch64_fpu_union + 0, aarch64v_union_fields + 1}, + {"s", aarch64_fpu_union + 1, aarch64v_union_fields + 2}, + {"h", aarch64_fpu_union + 2, aarch64v_union_fields + 3}, + {"b", aarch64_fpu_union + 3, aarch64v_union_fields + 4}, + {"q", aarch64_fpu_union + 4, NULL}, +}; + +static struct reg_data_type_union aarch64v_union[] = { + {aarch64v_union_fields} +}; + +static struct reg_data_type aarch64v[] = { + {REG_TYPE_ARCH_DEFINED, "aarch64v", REG_TYPE_CLASS_UNION, + {.reg_type_union = aarch64v_union} }, +}; + +static struct reg_data_type_bitfield aarch64_cpsr_bits[] = { + { 0, 0, REG_TYPE_UINT8 }, + { 2, 3, REG_TYPE_UINT8 }, + { 4, 4, REG_TYPE_UINT8 }, + { 6, 6, REG_TYPE_BOOL }, + { 7, 7, REG_TYPE_BOOL }, + { 8, 8, REG_TYPE_BOOL }, + { 9, 9, REG_TYPE_BOOL }, + { 20, 20, REG_TYPE_BOOL }, + { 21, 21, REG_TYPE_BOOL }, + { 28, 28, REG_TYPE_BOOL }, + { 29, 29, REG_TYPE_BOOL }, + { 30, 30, REG_TYPE_BOOL }, + { 31, 31, REG_TYPE_BOOL }, +}; + +static struct reg_data_type_flags_field aarch64_cpsr_fields[] = { + { "SP", aarch64_cpsr_bits + 0, aarch64_cpsr_fields + 1 }, + { "EL", aarch64_cpsr_bits + 1, aarch64_cpsr_fields + 2 }, + { "nRW", aarch64_cpsr_bits + 2, aarch64_cpsr_fields + 3 }, + { "F", aarch64_cpsr_bits + 3, aarch64_cpsr_fields + 4 }, + { "I", aarch64_cpsr_bits + 4, aarch64_cpsr_fields + 5 }, + { "A", aarch64_cpsr_bits + 5, aarch64_cpsr_fields + 6 }, + { "D", aarch64_cpsr_bits + 6, aarch64_cpsr_fields + 7 }, + { "IL", aarch64_cpsr_bits + 7, aarch64_cpsr_fields + 8 }, + { "SS", aarch64_cpsr_bits + 8, aarch64_cpsr_fields + 9 }, + { "V", aarch64_cpsr_bits + 9, aarch64_cpsr_fields + 10 }, + { "C", aarch64_cpsr_bits + 10, aarch64_cpsr_fields + 11 }, + { "Z", aarch64_cpsr_bits + 11, aarch64_cpsr_fields + 12 }, + { "N", aarch64_cpsr_bits + 12, NULL } +}; + +static struct reg_data_type_flags aarch64_cpsr_flags[] = { + { 4, aarch64_cpsr_fields } +}; + +static struct reg_data_type aarch64_flags_cpsr[] = { + {REG_TYPE_ARCH_DEFINED, "cpsr_flags", REG_TYPE_CLASS_FLAGS, + {.reg_type_flags = aarch64_cpsr_flags} }, +}; + static const struct { unsigned id; const char *name; @@ -905,59 +1429,106 @@ static const struct { enum reg_type type; const char *group; const char *feature; + struct reg_data_type *data_type; } armv8_regs[] = { - { ARMV8_R0, "x0", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R1, "x1", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R2, "x2", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R3, "x3", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R4, "x4", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R5, "x5", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R6, "x6", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R7, "x7", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R8, "x8", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R9, "x9", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R10, "x10", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R11, "x11", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R12, "x12", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R13, "x13", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R14, "x14", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R15, "x15", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R16, "x16", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R17, "x17", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R18, "x18", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R19, "x19", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R20, "x20", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R21, "x21", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R22, "x22", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R23, "x23", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R24, "x24", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R25, "x25", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R26, "x26", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R27, "x27", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R28, "x28", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R29, "x29", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_R30, "x30", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core" }, - - { ARMV8_SP, "sp", 64, ARM_MODE_ANY, REG_TYPE_DATA_PTR, "general", "org.gnu.gdb.aarch64.core" }, - { ARMV8_PC, "pc", 64, ARM_MODE_ANY, REG_TYPE_CODE_PTR, "general", "org.gnu.gdb.aarch64.core" }, - - { ARMV8_xPSR, "CPSR", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.aarch64.core" }, - - { ARMV8_ELR_EL1, "ELR_EL1", 64, ARMV8_64_EL1H, REG_TYPE_CODE_PTR, "banked", "net.sourceforge.openocd.banked" }, - { ARMV8_ESR_EL1, "ESR_EL1", 32, ARMV8_64_EL1H, REG_TYPE_UINT32, "banked", "net.sourceforge.openocd.banked" }, - { ARMV8_SPSR_EL1, "SPSR_EL1", 32, ARMV8_64_EL1H, REG_TYPE_UINT32, "banked", "net.sourceforge.openocd.banked" }, - - { ARMV8_ELR_EL2, "ELR_EL2", 64, ARMV8_64_EL2H, REG_TYPE_CODE_PTR, "banked", "net.sourceforge.openocd.banked" }, - { ARMV8_ESR_EL2, "ESR_EL2", 32, ARMV8_64_EL2H, REG_TYPE_UINT32, "banked", "net.sourceforge.openocd.banked" }, - { ARMV8_SPSR_EL2, "SPSR_EL2", 32, ARMV8_64_EL2H, REG_TYPE_UINT32, "banked", "net.sourceforge.openocd.banked" }, - - { ARMV8_ELR_EL3, "ELR_EL3", 64, ARMV8_64_EL3H, REG_TYPE_CODE_PTR, "banked", "net.sourceforge.openocd.banked" }, - { ARMV8_ESR_EL3, "ESR_EL3", 32, ARMV8_64_EL3H, REG_TYPE_UINT32, "banked", "net.sourceforge.openocd.banked" }, - { ARMV8_SPSR_EL3, "SPSR_EL3", 32, ARMV8_64_EL3H, REG_TYPE_UINT32, "banked", "net.sourceforge.openocd.banked" }, + { ARMV8_R0, "x0", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R1, "x1", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R2, "x2", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R3, "x3", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R4, "x4", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R5, "x5", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R6, "x6", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R7, "x7", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R8, "x8", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R9, "x9", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R10, "x10", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R11, "x11", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R12, "x12", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R13, "x13", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R14, "x14", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R15, "x15", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R16, "x16", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R17, "x17", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R18, "x18", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R19, "x19", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R20, "x20", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R21, "x21", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R22, "x22", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R23, "x23", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R24, "x24", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R25, "x25", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R26, "x26", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R27, "x27", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R28, "x28", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R29, "x29", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_R30, "x30", 64, ARM_MODE_ANY, REG_TYPE_UINT64, "general", "org.gnu.gdb.aarch64.core", NULL}, + + { ARMV8_SP, "sp", 64, ARM_MODE_ANY, REG_TYPE_DATA_PTR, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_PC, "pc", 64, ARM_MODE_ANY, REG_TYPE_CODE_PTR, "general", "org.gnu.gdb.aarch64.core", NULL}, + { ARMV8_XPSR, "cpsr", 32, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, + "general", "org.gnu.gdb.aarch64.core", aarch64_flags_cpsr}, + { ARMV8_V0, "v0", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V1, "v1", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V2, "v2", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V3, "v3", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V4, "v4", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V5, "v5", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V6, "v6", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V7, "v7", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V8, "v8", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V9, "v9", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V10, "v10", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V11, "v11", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V12, "v12", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V13, "v13", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V14, "v14", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V15, "v15", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V16, "v16", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V17, "v17", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V18, "v18", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V19, "v19", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V20, "v20", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V21, "v21", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V22, "v22", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V23, "v23", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V24, "v24", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V25, "v25", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V26, "v26", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V27, "v27", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V28, "v28", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V29, "v29", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V30, "v30", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_V31, "v31", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v}, + { ARMV8_FPSR, "fpsr", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "simdfp", "org.gnu.gdb.aarch64.fpu", NULL}, + { ARMV8_FPCR, "fpcr", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "simdfp", "org.gnu.gdb.aarch64.fpu", NULL}, + + { ARMV8_ELR_EL1, "ELR_EL1", 64, ARMV8_64_EL1H, REG_TYPE_CODE_PTR, "banked", "net.sourceforge.openocd.banked", + NULL}, + { ARMV8_ESR_EL1, "ESR_EL1", 32, ARMV8_64_EL1H, REG_TYPE_UINT32, "banked", "net.sourceforge.openocd.banked", + NULL}, + { ARMV8_SPSR_EL1, "SPSR_EL1", 32, ARMV8_64_EL1H, REG_TYPE_UINT32, "banked", "net.sourceforge.openocd.banked", + NULL}, + + { ARMV8_ELR_EL2, "ELR_EL2", 64, ARMV8_64_EL2H, REG_TYPE_CODE_PTR, "banked", "net.sourceforge.openocd.banked", + NULL}, + { ARMV8_ESR_EL2, "ESR_EL2", 32, ARMV8_64_EL2H, REG_TYPE_UINT32, "banked", "net.sourceforge.openocd.banked", + NULL}, + { ARMV8_SPSR_EL2, "SPSR_EL2", 32, ARMV8_64_EL2H, REG_TYPE_UINT32, "banked", "net.sourceforge.openocd.banked", + NULL}, + + { ARMV8_ELR_EL3, "ELR_EL3", 64, ARMV8_64_EL3H, REG_TYPE_CODE_PTR, "banked", "net.sourceforge.openocd.banked", + NULL}, + { ARMV8_ESR_EL3, "ESR_EL3", 32, ARMV8_64_EL3H, REG_TYPE_UINT32, "banked", "net.sourceforge.openocd.banked", + NULL}, + { ARMV8_SPSR_EL3, "SPSR_EL3", 32, ARMV8_64_EL3H, REG_TYPE_UINT32, "banked", "net.sourceforge.openocd.banked", + NULL}, + { ARMV8_PAUTH_DMASK, "pauth_dmask", 64, ARM_MODE_ANY, REG_TYPE_UINT64, NULL, "org.gnu.gdb.aarch64.pauth", NULL}, + { ARMV8_PAUTH_CMASK, "pauth_cmask", 64, ARM_MODE_ANY, REG_TYPE_UINT64, NULL, "org.gnu.gdb.aarch64.pauth", NULL}, }; static const struct { unsigned id; + unsigned mapping; const char *name; unsigned bits; enum arm_mode mode; @@ -965,23 +1536,56 @@ static const struct { const char *group; const char *feature; } armv8_regs32[] = { - { ARMV8_R0, "r0", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R1, "r1", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R2, "r2", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R3, "r3", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R4, "r4", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R5, "r5", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R6, "r6", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R7, "r7", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R8, "r8", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R9, "r9", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R10, "r10", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R11, "r11", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R12, "r12", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R13, "sp", 32, ARM_MODE_ANY, REG_TYPE_DATA_PTR, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_R14, "lr", 32, ARM_MODE_ANY, REG_TYPE_CODE_PTR, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_PC, "pc", 32, ARM_MODE_ANY, REG_TYPE_CODE_PTR, "general", "org.gnu.gdb.arm.core" }, - { ARMV8_xPSR, "cpsr", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R0, 0, "r0", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R1, 0, "r1", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R2, 0, "r2", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R3, 0, "r3", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R4, 0, "r4", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R5, 0, "r5", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R6, 0, "r6", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R7, 0, "r7", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R8, 0, "r8", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R9, 0, "r9", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R10, 0, "r10", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R11, 0, "r11", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R12, 0, "r12", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R13, 0, "sp", 32, ARM_MODE_ANY, REG_TYPE_DATA_PTR, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_R14, 0, "lr", 32, ARM_MODE_ANY, REG_TYPE_CODE_PTR, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_PC, 0, "pc", 32, ARM_MODE_ANY, REG_TYPE_CODE_PTR, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_XPSR, 0, "cpsr", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.arm.core" }, + { ARMV8_V0, 0, "d0", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V0, 8, "d1", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V1, 0, "d2", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V1, 8, "d3", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V2, 0, "d4", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V2, 8, "d5", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V3, 0, "d6", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V3, 8, "d7", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V4, 0, "d8", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V4, 8, "d9", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V5, 0, "d10", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V5, 8, "d11", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V6, 0, "d12", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V6, 8, "d13", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V7, 0, "d14", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V7, 8, "d15", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V8, 0, "d16", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V8, 8, "d17", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V9, 0, "d18", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V9, 8, "d19", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V10, 0, "d20", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V10, 8, "d21", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V11, 0, "d22", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V11, 8, "d23", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V12, 0, "d24", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V12, 8, "d25", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V13, 0, "d26", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V13, 8, "d27", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V14, 0, "d28", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V14, 8, "d29", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V15, 0, "d30", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_V15, 8, "d31", 64, ARM_MODE_ANY, REG_TYPE_IEEE_DOUBLE, NULL, "org.gnu.gdb.arm.vfp"}, + { ARMV8_FPSR, 0, "fpscr", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "float", "org.gnu.gdb.arm.vfp"}, }; #define ARMV8_NUM_REGS ARRAY_SIZE(armv8_regs) @@ -1004,19 +1608,27 @@ static int armv8_set_core_reg(struct reg *reg, uint8_t *buf) struct arm_reg *armv8_reg = reg->arch_info; struct target *target = armv8_reg->target; struct arm *arm = target_to_arm(target); - uint64_t value = buf_get_u64(buf, 0, 64); + uint64_t value = buf_get_u64(buf, 0, reg->size); if (target->state != TARGET_HALTED) return ERROR_TARGET_NOT_HALTED; - if (reg == arm->cpsr) { - armv8_set_cpsr(arm, (uint32_t)value); - } else { + if (reg->size <= 64) { + if (reg == arm->cpsr) + armv8_set_cpsr(arm, (uint32_t)value); + else { + buf_set_u64(reg->value, 0, reg->size, value); + reg->valid = true; + } + } else if (reg->size <= 128) { + uint64_t hvalue = buf_get_u64(buf + 8, 0, reg->size - 64); + buf_set_u64(reg->value, 0, 64, value); - reg->valid = 1; + buf_set_u64(reg->value + 8, 0, reg->size - 64, hvalue); + reg->valid = true; } - reg->dirty = 1; + reg->dirty = true; return ERROR_OK; } @@ -1035,6 +1647,9 @@ static int armv8_get_core_reg32(struct reg *reg) struct reg *reg64; int retval; + if (target->state != TARGET_HALTED) + return ERROR_TARGET_NOT_HALTED; + /* get the corresponding Aarch64 register */ reg64 = cache->reg_list + armv8_reg->num; if (reg64->valid) { @@ -1058,15 +1673,23 @@ static int armv8_set_core_reg32(struct reg *reg, uint8_t *buf) struct reg *reg64 = cache->reg_list + armv8_reg->num; uint32_t value = buf_get_u32(buf, 0, 32); + if (target->state != TARGET_HALTED) + return ERROR_TARGET_NOT_HALTED; + if (reg64 == arm->cpsr) { armv8_set_cpsr(arm, value); } else { - buf_set_u32(reg->value, 0, 32, value); - reg->valid = 1; - reg64->valid = 1; + if (reg->size <= 32) + buf_set_u32(reg->value, 0, 32, value); + else if (reg->size <= 64) { + uint64_t value64 = buf_get_u64(buf, 0, 64); + buf_set_u64(reg->value, 0, 64, value64); + } + reg->valid = true; + reg64->valid = true; } - reg64->dirty = 1; + reg64->dirty = true; return ERROR_OK; } @@ -1123,13 +1746,19 @@ struct reg_cache *armv8_build_reg_cache(struct target *target) LOG_ERROR("unable to allocate feature list"); reg_list[i].reg_data_type = calloc(1, sizeof(struct reg_data_type)); - if (reg_list[i].reg_data_type) - reg_list[i].reg_data_type->type = armv8_regs[i].type; - else + if (reg_list[i].reg_data_type) { + if (!armv8_regs[i].data_type) + reg_list[i].reg_data_type->type = armv8_regs[i].type; + else + *reg_list[i].reg_data_type = *armv8_regs[i].data_type; + } else LOG_ERROR("unable to allocate reg type list"); + + if (i == ARMV8_PAUTH_CMASK || i == ARMV8_PAUTH_DMASK) + reg_list[i].exist = armv8->enable_pauth; } - arm->cpsr = reg_list + ARMV8_xPSR; + arm->cpsr = reg_list + ARMV8_XPSR; arm->pc = reg_list + ARMV8_PC; arm->core_cache = cache; @@ -1142,7 +1771,7 @@ struct reg_cache *armv8_build_reg_cache(struct target *target) for (i = 0; i < num_regs32; i++) { reg_list32[i].name = armv8_regs32[i].name; reg_list32[i].size = armv8_regs32[i].bits; - reg_list32[i].value = &arch_info[armv8_regs32[i].id].value[0]; + reg_list32[i].value = &arch_info[armv8_regs32[i].id].value[armv8_regs32[i].mapping]; reg_list32[i].type = &armv8_reg32_type; reg_list32[i].arch_info = &arch_info[armv8_regs32[i].id]; reg_list32[i].group = armv8_regs32[i].group; @@ -1179,13 +1808,68 @@ struct reg *armv8_reg_current(struct arm *arm, unsigned regnum) return r; } +static void armv8_free_cache(struct reg_cache *cache, bool regs32) +{ + struct reg *reg; + unsigned int i; + + if (!cache) + return; + + for (i = 0; i < cache->num_regs; i++) { + reg = &cache->reg_list[i]; + + free(reg->feature); + free(reg->reg_data_type); + } + + if (!regs32) + free(cache->reg_list[0].arch_info); + free(cache->reg_list); + free(cache); +} + +void armv8_free_reg_cache(struct target *target) +{ + struct armv8_common *armv8 = target_to_armv8(target); + struct arm *arm = &armv8->arm; + struct reg_cache *cache = NULL, *cache32 = NULL; + + cache = arm->core_cache; + if (cache) + cache32 = cache->next; + armv8_free_cache(cache32, true); + armv8_free_cache(cache, false); + arm->core_cache = NULL; +} + const struct command_registration armv8_command_handlers[] = { { - .chain = dap_command_handlers, + .name = "catch_exc", + .handler = armv8_handle_exception_catch_command, + .mode = COMMAND_EXEC, + .help = "configure exception catch", + .usage = "[(nsec_el1,nsec_el2,sec_el1,sec_el3)+,off]", + }, + { + .name = "pauth", + .handler = armv8_pauth_command, + .mode = COMMAND_CONFIG, + .help = "enable or disable providing GDB with an 8-bytes mask to " + "remove signature bits added by pointer authentication." + "Pointer authentication feature is broken until gdb 12.1, going to be fixed. " + "Consider using a newer version of gdb if you want enable " + "pauth feature.", + .usage = "[on|off]", }, COMMAND_REGISTRATION_DONE }; +const char *armv8_get_gdb_arch(const struct target *target) +{ + struct arm *arm = target_to_arm(target); + return arm->core_state == ARM_STATE_AARCH64 ? "aarch64" : "arm"; +} int armv8_get_gdb_reg_list(struct target *target, struct reg **reg_list[], int *reg_list_size, @@ -1200,7 +1884,7 @@ int armv8_get_gdb_reg_list(struct target *target, switch (reg_class) { case REG_CLASS_GENERAL: - *reg_list_size = ARMV8_ELR_EL1; + *reg_list_size = ARMV8_V0; *reg_list = malloc(sizeof(struct reg *) * (*reg_list_size)); for (i = 0; i < *reg_list_size; i++) @@ -1227,6 +1911,13 @@ int armv8_get_gdb_reg_list(struct target *target, switch (reg_class) { case REG_CLASS_GENERAL: + *reg_list_size = ARMV8_R14 + 3; + *reg_list = malloc(sizeof(struct reg *) * (*reg_list_size)); + + for (i = 0; i < *reg_list_size; i++) + (*reg_list)[i] = cache32->reg_list + i; + + return ERROR_OK; case REG_CLASS_ALL: *reg_list_size = cache32->num_regs; *reg_list = malloc(sizeof(struct reg *) * (*reg_list_size)); @@ -1249,7 +1940,7 @@ int armv8_set_dbgreg_bits(struct armv8_common *armv8, unsigned int reg, unsigned /* Read register */ int retval = mem_ap_read_atomic_u32(armv8->debug_ap, armv8->debug_base + reg, &tmp); - if (ERROR_OK != retval) + if (retval != ERROR_OK) return retval; /* clear bitfield */