+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2015 by David Ung *
* *
* Copyright (C) 2018 by Liviu Ionescu *
* <ilg@livius.net> *
- * *
- * 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., *
***************************************************************************/
#ifdef HAVE_CONFIG_H
.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,
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;
}
- if (retval == ERROR_OK && regval != NULL)
+ if (retval == ERROR_OK && regval)
*regval = value_64;
else
retval = ERROR_FAIL;
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),
ARMV8_MRC_DLR(0),
&value);
break;
- case ARMV8_xPSR:
+ case ARMV8_XPSR:
retval = dpm->instr_read_data_r0(dpm,
ARMV8_MRC_DSPSR(0),
&value);
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:
break;
}
- if (retval == ERROR_OK && regval != NULL)
+ if (retval == ERROR_OK && regval)
*regval = value;
return retval;
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) {
- *lvalue = value_r1;
- *lvalue = ((*lvalue) << 32) | value_r0;
- } else
+ 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) {
- *hvalue = value_r1;
- *hvalue = ((*hvalue) << 32) | value_r0;
- } else
+ if (retval != ERROR_OK)
return retval;
+ *hvalue = value_r1;
+ *hvalue = ((*hvalue) << 32) | value_r0;
break;
default:
retval = ERROR_FAIL;
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);
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:
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 */
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);
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;
*/
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 */
if (retval != ERROR_OK)
return;
- /* ARMV4_5_MRC(cpnum, op1, r0, CRn, CRm, op2) */
+ /* ARMV4_5_MRC(cpnum, op1, r0, crn, crm, op2) */
/* c5/c0 - {data, instruction} fault status registers */
retval = dpm->instr_read_data_r0(dpm,
ret = 48;
break;
default:
- LOG_INFO("Unknow physicall address size");
+ LOG_INFO("Unknown physical address size");
break;
}
return ret;
armv8->armv8_mmu.ttbcr = ttbcr;
/*
- * ARM Architecture Reference Manual (ARMv7-A and ARMv7-Redition),
+ * ARM Architecture Reference Manual (ARMv7-A and ARMv7-R edition),
* document # ARM DDI 0406C
*/
armv8->armv8_mmu.ttbr_range[0] = 0xffffffff >> ttbcr_n;
if (retval != ERROR_OK)
goto done;
- /* claaer ttrr1_used and ttbr0_mask */
+ /* 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));
goto done;
break;
default:
- LOG_ERROR("unknow core state");
+ LOG_ERROR("unknown core state");
retval = ERROR_FAIL;
break;
}
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 jim_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 jim_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 = jim_nvp_value2name_simple(nvp_ecatch_modes, edeccr & 0x0f);
+ if (n->name)
+ sec = n->name;
+
+ n = jim_nvp_value2name_simple(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 = jim_nvp_name2value_simple(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;
+}
+
+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)
{
- struct arm *arm = target_to_arm(target);
-
- if (arm->core_state != ARM_STATE_AARCH64) {
- LOG_ERROR("semihosting only supported in AArch64 state\n");
- return ERROR_FAIL;
- }
-
return ERROR_OK;
}
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);
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),
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_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 },
+ { 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 },
{ "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 }
+ { "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[] = {
{ 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,
+ { 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_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_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_set_cpsr(arm, (uint32_t)value);
else {
buf_set_u64(reg->value, 0, reg->size, value);
- reg->valid = 1;
+ 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);
buf_set_u64(reg->value + 8, 0, reg->size - 64, hvalue);
- reg->valid = 1;
+ reg->valid = true;
}
- reg->dirty = 1;
+ reg->dirty = true;
return ERROR_OK;
}
uint64_t value64 = buf_get_u64(buf, 0, 64);
buf_set_u64(reg->value, 0, 64, value64);
}
- reg->valid = 1;
- reg64->valid = 1;
+ reg->valid = true;
+ reg64->valid = true;
}
- reg64->dirty = 1;
+ reg64->dirty = true;
return ERROR_OK;
}
reg_list[i].reg_data_type = calloc(1, sizeof(struct reg_data_type));
if (reg_list[i].reg_data_type) {
- if (armv8_regs[i].data_type == NULL)
+ 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;
LOG_ERROR("unable to allocate reg type list");
}
- arm->cpsr = reg_list + ARMV8_xPSR;
+ arm->cpsr = reg_list + ARMV8_XPSR;
arm->pc = reg_list + ARMV8_PC;
arm->core_cache = cache;
struct reg_cache *cache = NULL, *cache32 = NULL;
cache = arm->core_cache;
- if (cache != NULL)
+ if (cache)
cache32 = cache->next;
armv8_free_cache(cache32, true);
armv8_free_cache(cache, false);
}
const struct command_registration armv8_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]",
+ },
COMMAND_REGISTRATION_DONE
};
+const char *armv8_get_gdb_arch(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,
enum target_register_class reg_class)
/* 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 */
projects / fw / openocd / blobdiff