#include "breakpoints.h"
#include "aarch64.h"
+#include "a64_disassembler.h"
#include "register.h"
#include "target_request.h"
#include "target_type.h"
#include "armv8_opcodes.h"
#include "armv8_cache.h"
#include "arm_semihosting.h"
+#include "jtag/interface.h"
#include "smp.h"
#include <helper/time_support.h>
case ARM_MODE_ABT:
case ARM_MODE_FIQ:
case ARM_MODE_IRQ:
+ case ARM_MODE_HYP:
case ARM_MODE_SYS:
instr = ARMV4_5_MCR(15, 0, 0, 1, 0, 0);
break;
default:
- LOG_INFO("cannot read system control register in this mode");
+ LOG_ERROR("cannot read system control register in this mode: (%s : 0x%x)",
+ armv8_mode_name(armv8->arm.core_mode), armv8->arm.core_mode);
return ERROR_FAIL;
}
case ARM_MODE_ABT:
case ARM_MODE_FIQ:
case ARM_MODE_IRQ:
+ case ARM_MODE_HYP:
case ARM_MODE_SYS:
instr = ARMV4_5_MCR(15, 0, 0, 1, 0, 0);
break;
default:
- LOG_DEBUG("unknown cpu state 0x%" PRIx32, armv8->arm.core_mode);
+ LOG_DEBUG("unknown cpu state 0x%x", armv8->arm.core_mode);
break;
}
case ARM_MODE_ABT:
case ARM_MODE_FIQ:
case ARM_MODE_IRQ:
+ case ARM_MODE_HYP:
case ARM_MODE_SYS:
instr = ARMV4_5_MRC(15, 0, 0, 1, 0, 0);
break;
default:
- LOG_INFO("cannot read system control register in this mode");
+ LOG_ERROR("cannot read system control register in this mode: (%s : 0x%x)",
+ armv8_mode_name(armv8->arm.core_mode), armv8->arm.core_mode);
return ERROR_FAIL;
}
if (saved_retval != ERROR_OK)
return saved_retval;
- return aarch64_poll(target);
+ return ERROR_OK;
}
static int aarch64_restore_context(struct target *target, bool bpwp)
brp_list[brp_i].value);
} else if (breakpoint->type == BKPT_SOFT) {
+ uint32_t opcode;
uint8_t code[4];
- buf_set_u32(code, 0, 32, armv8_opcode(armv8, ARMV8_OPC_HLT));
+ if (armv8_dpm_get_core_state(&armv8->dpm) == ARM_STATE_AARCH64) {
+ opcode = ARMV8_HLT(11);
+
+ if (breakpoint->length != 4)
+ LOG_ERROR("bug: breakpoint length should be 4 in AArch64 mode");
+ } else {
+ /**
+ * core_state is ARM_STATE_ARM
+ * in that case the opcode depends on breakpoint length:
+ * - if length == 4 => A32 opcode
+ * - if length == 2 => T32 opcode
+ * - if length == 3 => T32 opcode (refer to gdb doc : ARM-Breakpoint-Kinds)
+ * in that case the length should be changed from 3 to 4 bytes
+ **/
+ opcode = (breakpoint->length == 4) ? ARMV8_HLT_A1(11) :
+ (uint32_t) (ARMV8_HLT_T1(11) | ARMV8_HLT_T1(11) << 16);
+
+ if (breakpoint->length == 3)
+ breakpoint->length = 4;
+ }
+
+ buf_set_u32(code, 0, 32, opcode);
+
retval = target_read_memory(target,
breakpoint->address & 0xFFFFFFFFFFFFFFFE,
breakpoint->length, 1,
/* REVISIT handle "pulls" cases, if there's
* hardware that needs them to work.
*/
- jtag_add_reset(0, 1);
+ adapter_assert_reset();
} else {
LOG_ERROR("%s: how to reset?", target_name(target));
return ERROR_FAIL;
LOG_DEBUG(" ");
/* be certain SRST is off */
- jtag_add_reset(0, 0);
+ adapter_deassert_reset();
if (!target_was_examined(target))
return ERROR_OK;
struct aarch64_common *aarch64 = target_to_aarch64(target);
struct armv8_common *armv8 = &aarch64->armv8_common;
struct adiv5_dap *swjdp = armv8->arm.dap;
- struct aarch64_private_config *pc;
+ struct aarch64_private_config *pc = target->private_config;
int i;
int retval = ERROR_OK;
uint64_t debug, ttypr;
uint32_t tmp0, tmp1, tmp2, tmp3;
debug = ttypr = cpuid = 0;
- /* Search for the APB-AB - it is needed for access to debug registers */
- retval = dap_find_ap(swjdp, AP_TYPE_APB_AP, &armv8->debug_ap);
- if (retval != ERROR_OK) {
- LOG_ERROR("Could not find APB-AP for debug access");
- return retval;
+ if (pc == NULL)
+ return ERROR_FAIL;
+
+ if (pc->adiv5_config.ap_num == DP_APSEL_INVALID) {
+ /* Search for the APB-AB */
+ retval = dap_find_ap(swjdp, AP_TYPE_APB_AP, &armv8->debug_ap);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Could not find APB-AP for debug access");
+ return retval;
+ }
+ } else {
+ armv8->debug_ap = dap_ap(swjdp, pc->adiv5_config.ap_num);
}
retval = mem_ap_init(armv8->debug_ap);
LOG_DEBUG("ttypr = 0x%08" PRIx64, ttypr);
LOG_DEBUG("debug = 0x%08" PRIx64, debug);
- if (target->private_config == NULL)
- return ERROR_FAIL;
-
- pc = (struct aarch64_private_config *)target->private_config;
if (pc->cti == NULL)
return ERROR_FAIL;
pc = (struct aarch64_private_config *)target->private_config;
if (pc == NULL) {
pc = calloc(1, sizeof(struct aarch64_private_config));
+ pc->adiv5_config.ap_num = DP_APSEL_INVALID;
target->private_config = pc;
}
* Call adiv5_jim_configure() to parse the common DAP options
* It will return JIM_CONTINUE if it didn't find any known
* options, JIM_OK if it correctly parsed the topmost option
- * and JIM_ERR if an error occured during parameter evaluation.
+ * and JIM_ERR if an error occurred during parameter evaluation.
* For JIM_CONTINUE, we check our own params.
+ *
+ * adiv5_jim_configure() assumes 'private_config' to point to
+ * 'struct adiv5_private_config'. Override 'private_config'!
*/
+ target->private_config = &pc->adiv5_config;
e = adiv5_jim_configure(target, goi);
+ target->private_config = pc;
if (e != JIM_CONTINUE)
return e;
struct target *target = get_current_target(CMD_CTX);
struct armv8_common *armv8 = target_to_armv8(target);
- return armv8_handle_cache_info_command(CMD_CTX,
+ return armv8_handle_cache_info_command(CMD,
&armv8->armv8_mmu.armv8_cache);
}
-
COMMAND_HANDLER(aarch64_handle_dbginit_command)
{
struct target *target = get_current_target(CMD_CTX);
return aarch64_init_debug_access(target);
}
+COMMAND_HANDLER(aarch64_handle_disassemble_command)
+{
+ struct target *target = get_current_target(CMD_CTX);
+
+ if (target == NULL) {
+ LOG_ERROR("No target selected");
+ return ERROR_FAIL;
+ }
+
+ struct aarch64_common *aarch64 = target_to_aarch64(target);
+
+ if (aarch64->common_magic != AARCH64_COMMON_MAGIC) {
+ command_print(CMD, "current target isn't an AArch64");
+ return ERROR_FAIL;
+ }
+
+ int count = 1;
+ target_addr_t address;
+
+ switch (CMD_ARGC) {
+ case 2:
+ COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], count);
+ /* FALL THROUGH */
+ case 1:
+ COMMAND_PARSE_ADDRESS(CMD_ARGV[0], address);
+ break;
+ default:
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ return a64_disassemble(CMD, target, address, count);
+}
+
COMMAND_HANDLER(aarch64_mask_interrupts_command)
{
struct target *target = get_current_target(CMD_CTX);
}
n = Jim_Nvp_value2name_simple(nvp_maskisr_modes, aarch64->isrmasking_mode);
- command_print(CMD_CTX, "aarch64 interrupt mask %s", n->name);
+ command_print(CMD, "aarch64 interrupt mask %s", n->name);
return ERROR_OK;
}
.help = "Initialize core debug",
.usage = "",
},
+ {
+ .name = "disassemble",
+ .handler = aarch64_handle_disassemble_command,
+ .mode = COMMAND_EXEC,
+ .help = "Disassemble instructions",
+ .usage = "address [count]",
+ },
{
.name = "maskisr",
.handler = aarch64_mask_interrupts_command,
COMMAND_REGISTRATION_DONE
};
+extern const struct command_registration semihosting_common_handlers[];
+
static const struct command_registration aarch64_command_handlers[] = {
+ {
+ .name = "arm",
+ .mode = COMMAND_ANY,
+ .help = "ARM Command Group",
+ .usage = "",
+ .chain = semihosting_common_handlers
+ },
{
.chain = armv8_command_handlers,
},
Code Review / openocd.git / blobdiff