#include "armv7a.h"
#include "arm_disassembler.h"
-#include "target.h"
#include "register.h"
-#include "log.h"
#include "binarybuffer.h"
#include "command.h"
#include <string.h>
#include <unistd.h>
-bitfield_desc_t armv7a_psr_bitfield_desc[] =
-{
- {"M[4:0]", 5},
- {"T", 1},
- {"F", 1},
- {"I", 1},
- {"A", 1},
- {"E", 1},
- {"IT[7:2]", 6},
- {"GE[3:0]", 4},
- {"reserved(DNM)", 4},
- {"J", 1},
- {"IT[0:1]", 2},
- {"Q", 1},
- {"V", 1},
- {"C", 1},
- {"Z", 1},
- {"N", 1},
-};
char* armv7a_core_reg_list[] =
{
"r13_mon", "lr_mon", "spsr_mon"
};
-char * armv7a_mode_strings_list[] =
-{
- "Illegal mode value", "User", "FIQ", "IRQ",
- "Supervisor", "Abort", "Undefined", "System", "Monitor"
-};
-
-/* Hack! Yuk! allow -1 index, which simplifies codepaths elsewhere in the code */
-char** armv7a_mode_strings = armv7a_mode_strings_list+1;
-
char* armv7a_state_strings[] =
{
"ARM", "Thumb", "Jazelle", "ThumbEE"
};
-armv7a_core_reg_t armv7a_core_reg_list_arch_info[] =
+struct armv7a_core_reg armv7a_core_reg_list_arch_info[] =
{
{0, ARMV4_5_MODE_ANY, NULL, NULL},
{1, ARMV4_5_MODE_ANY, NULL, NULL},
}
};
-uint8_t armv7a_gdb_dummy_fp_value[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-
-reg_t armv7a_gdb_dummy_fp_reg =
+void armv7a_show_fault_registers(struct target *target)
{
- "GDB dummy floating-point register", armv7a_gdb_dummy_fp_value,
- 0, 1, 96, NULL, 0, NULL, 0
-};
+ uint32_t dfsr, ifsr, dfar, ifar;
+ struct armv7a_common *armv7a = target_to_armv7a(target);
-int armv7a_arch_state(struct target_s *target)
+ armv7a->read_cp15(target, 0, 0, 5, 0, &dfsr);
+ armv7a->read_cp15(target, 0, 1, 5, 0, &ifsr);
+ armv7a->read_cp15(target, 0, 0, 6, 0, &dfar);
+ armv7a->read_cp15(target, 0, 2, 6, 0, &ifar);
+
+ 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);
+
+}
+
+int armv7a_arch_state(struct target *target)
{
static const char *state[] =
{
"disabled", "enabled"
};
- armv4_5_common_t *armv4_5 = target->arch_info;
- armv7a_common_t *armv7a = armv4_5->arch_info;
+ struct armv7a_common *armv7a = target_to_armv7a(target);
+ struct armv4_5_common_s *armv4_5 = &armv7a->armv4_5_common;
- if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC)
+ if (armv7a->common_magic != ARMV7_COMMON_MAGIC)
{
- LOG_ERROR("BUG: called for a non-ARMv4/5 target");
- exit(-1);
+ LOG_ERROR("BUG: called for a non-ARMv7A target");
+ return ERROR_INVALID_ARGUMENTS;
}
LOG_USER("target halted in %s state due to %s, current mode: %s\n"
armv7a_state_strings[armv7a->core_state],
Jim_Nvp_value2name_simple(nvp_target_debug_reason,
target->debug_reason)->name,
- armv7a_mode_strings[
- armv7a_mode_to_number(armv4_5->core_mode)],
+ arm_mode_name(armv4_5->core_mode),
armv7a_core_reg_list[armv7a_core_reg_map[
armv7a_mode_to_number(armv4_5->core_mode)][16]],
buf_get_u32(ARMV7A_CORE_REG_MODE(armv4_5->core_cache,
state[armv7a->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled],
state[armv7a->armv4_5_mmu.armv4_5_cache.i_cache_enabled]);
+ if (armv4_5->core_mode == ARMV7A_MODE_ABT)
+ armv7a_show_fault_registers(target);
+
return ERROR_OK;
}
-static int handle_dap_baseaddr_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_dap_baseaddr_command)
{
- target_t *target = get_current_target(cmd_ctx);
- armv4_5_common_t *armv4_5 = target->arch_info;
- armv7a_common_t *armv7a = armv4_5->arch_info;
- swjdp_common_t *swjdp = &armv7a->swjdp_info;
+ struct target *target = get_current_target(CMD_CTX);
+ struct armv7a_common *armv7a = target_to_armv7a(target);
+ struct swjdp_common *swjdp = &armv7a->swjdp_info;
- return dap_baseaddr_command(cmd_ctx, swjdp, args, argc);
+ return CALL_COMMAND_HANDLER(dap_baseaddr_command, swjdp);
}
-static int handle_dap_memaccess_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_dap_memaccess_command)
{
- target_t *target = get_current_target(cmd_ctx);
- armv4_5_common_t *armv4_5 = target->arch_info;
- armv7a_common_t *armv7a = armv4_5->arch_info;
- swjdp_common_t *swjdp = &armv7a->swjdp_info;
+ struct target *target = get_current_target(CMD_CTX);
+ struct armv7a_common *armv7a = target_to_armv7a(target);
+ struct swjdp_common *swjdp = &armv7a->swjdp_info;
- return dap_memaccess_command(cmd_ctx, swjdp, args, argc);
+ return CALL_COMMAND_HANDLER(dap_memaccess_command, swjdp);
}
-static int handle_dap_apsel_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_dap_apsel_command)
{
- target_t *target = get_current_target(cmd_ctx);
- armv4_5_common_t *armv4_5 = target->arch_info;
- armv7a_common_t *armv7a = armv4_5->arch_info;
- swjdp_common_t *swjdp = &armv7a->swjdp_info;
+ struct target *target = get_current_target(CMD_CTX);
+ struct armv7a_common *armv7a = target_to_armv7a(target);
+ struct swjdp_common *swjdp = &armv7a->swjdp_info;
- return dap_apsel_command(cmd_ctx, swjdp, args, argc);
+ return CALL_COMMAND_HANDLER(dap_apsel_command, swjdp);
}
-static int handle_dap_apid_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_dap_apid_command)
{
- target_t *target = get_current_target(cmd_ctx);
- armv4_5_common_t *armv4_5 = target->arch_info;
- armv7a_common_t *armv7a = armv4_5->arch_info;
- swjdp_common_t *swjdp = &armv7a->swjdp_info;
+ struct target *target = get_current_target(CMD_CTX);
+ struct armv7a_common *armv7a = target_to_armv7a(target);
+ struct swjdp_common *swjdp = &armv7a->swjdp_info;
- return dap_apid_command(cmd_ctx, swjdp, args, argc);
+ return CALL_COMMAND_HANDLER(dap_apid_command, swjdp);
}
-static int handle_dap_info_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_dap_info_command)
{
- target_t *target = get_current_target(cmd_ctx);
- armv4_5_common_t *armv4_5 = target->arch_info;
- armv7a_common_t *armv7a = armv4_5->arch_info;
- swjdp_common_t *swjdp = &armv7a->swjdp_info;
+ struct target *target = get_current_target(CMD_CTX);
+ struct armv7a_common *armv7a = target_to_armv7a(target);
+ struct swjdp_common *swjdp = &armv7a->swjdp_info;
uint32_t apsel;
- apsel = swjdp->apsel;
- if (argc > 0)
- apsel = strtoul(args[0], NULL, 0);
-
- return dap_info_command(cmd_ctx, swjdp, apsel);
-}
-
-static int
-handle_armv7a_disassemble_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
-{
- target_t *target = get_current_target(cmd_ctx);
- armv4_5_common_t *armv4_5 = target->arch_info;
- int thumb = 0;
- int count = 1;
- uint32_t address;
- int i;
-
- if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC) {
- command_print(cmd_ctx, "current target isn't an ARM target");
- return ERROR_OK;
- }
-
- /* REVISIT: eventually support ThumbEE disassembly too;
- * some opcodes work differently.
- */
-
- switch (argc) {
- case 3:
- if (strcmp(args[2], "thumb") != 0)
- goto usage;
- thumb = 1;
- /* FALL THROUGH */
- case 2:
- count = strtoul(args[1], NULL, 0);
- /* FALL THROUGH */
+ switch (CMD_ARGC) {
+ case 0:
+ apsel = swjdp->apsel;
+ break;
case 1:
- address = strtoul(args[0], NULL, 0);
- if (address & 0x01) {
- if (!thumb) {
- command_print(cmd_ctx, "Disassemble as Thumb");
- thumb = 1;
- }
- address &= ~1;
- }
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
break;
default:
-usage:
- command_print(cmd_ctx,
- "usage: armv4_5 disassemble <address> [<count> ['thumb']]");
- return ERROR_OK;
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
- for (i = 0; i < count; i++) {
- arm_instruction_t cur_instruction;
- int retval;
-
- if (thumb) {
- retval = thumb2_opcode(target, address, &cur_instruction);
- if (retval != ERROR_OK)
- return retval;
-
- address += cur_instruction.instruction_size;
- } else {
- uint32_t opcode;
-
- retval = target_read_u32(target, address, &opcode);
- if (retval != ERROR_OK)
- return retval;
-
- retval = arm_evaluate_opcode(opcode, address,
- &cur_instruction);
- if (retval != ERROR_OK)
- return retval;
-
- address += 4;
- }
- command_print(cmd_ctx, "%s", cur_instruction.text);
- }
-
- return ERROR_OK;
+ return dap_info_command(CMD_CTX, swjdp, apsel);
}
-int armv7a_register_commands(struct command_context_s *cmd_ctx)
+int armv7a_register_commands(struct command_context *cmd_ctx)
{
- command_t *arm_adi_v5_dap_cmd;
- command_t *armv7a_cmd;
+ struct command *arm_adi_v5_dap_cmd;
arm_adi_v5_dap_cmd = register_command(cmd_ctx, NULL, "dap",
NULL, COMMAND_ANY,
"set/get number of extra tck for mem-ap memory "
"bus access [0-255]");
- armv7a_cmd = register_command(cmd_ctx, NULL, "armv7a",
- NULL, COMMAND_ANY,
- "ARMv7-A specific commands");
-
- register_command(cmd_ctx, armv7a_cmd, "disassemble",
- handle_armv7a_disassemble_command, COMMAND_EXEC,
- "disassemble instructions <address> [<count> ['thumb']]");
-
return ERROR_OK;
}
Code Review / openocd.git / blobdiff