#include "config.h"
#endif
+#include "arm.h"
#include "armv4_5.h"
#include "arm_jtag.h"
#include "breakpoints.h"
}
/** Map PSR mode bits to linear number indexing armv4_5_core_reg_map */
-int armv4_5_mode_to_number(enum armv4_5_mode mode)
+int arm_mode_to_number(enum arm_mode mode)
{
switch (mode) {
case ARM_MODE_ANY:
}
/** Map linear number indexing armv4_5_core_reg_map to PSR mode bits. */
-enum armv4_5_mode armv4_5_number_to_mode(int number)
+enum arm_mode armv4_5_number_to_mode(int number)
{
switch (number) {
case 0:
}
}
-char* armv4_5_state_strings[] =
+const char *arm_state_strings[] =
{
"ARM", "Thumb", "Jazelle", "ThumbEE",
};
* (Exception modes have both CPSR and SPSR registers ...)
*/
unsigned cookie;
- enum armv4_5_mode mode;
+ enum arm_mode mode;
} arm_core_regs[] = {
/* IMPORTANT: we guarantee that the first eight cached registers
* correspond to r0..r7, and the fifteenth to PC, so that callers
*/
void arm_set_cpsr(struct arm *arm, uint32_t cpsr)
{
- enum armv4_5_mode mode = cpsr & 0x1f;
+ enum arm_mode mode = cpsr & 0x1f;
int num;
/* NOTE: this may be called very early, before the register
arm->core_mode = mode;
/* mode_to_number() warned; set up a somewhat-sane mapping */
- num = armv4_5_mode_to_number(mode);
+ num = arm_mode_to_number(mode);
if (num < 0) {
mode = ARM_MODE_USR;
num = 0;
: arm->core_cache->reg_list + arm->map[16];
/* Older ARMs won't have the J bit */
- enum armv4_5_state state;
+ enum arm_state state;
if (cpsr & (1 << 5)) { /* T */
if (cpsr & (1 << 24)) { /* J */
LOG_DEBUG("set CPSR %#8.8x: %s mode, %s state", (unsigned) cpsr,
arm_mode_name(mode),
- armv4_5_state_strings[arm->core_state]);
+ arm_state_strings[arm->core_state]);
}
/**
{
struct arm_reg *armv4_5 = reg->arch_info;
struct target *target = armv4_5->target;
- struct arm *armv4_5_target = target_to_armv4_5(target);
+ struct arm *armv4_5_target = target_to_arm(target);
uint32_t value = buf_get_u32(buf, 0, 32);
if (target->state != TARGET_HALTED)
* it won't hurt since CPSR is always flushed anyway.
*/
if (armv4_5_target->core_mode !=
- (enum armv4_5_mode)(value & 0x1f)) {
+ (enum arm_mode)(value & 0x1f)) {
LOG_DEBUG("changing ARM core mode to '%s'",
arm_mode_name(value & 0x1f));
value &= ~((1 << 24) | (1 << 5));
.set = armv4_5_set_core_reg,
};
-struct reg_cache* armv4_5_build_reg_cache(struct target *target, struct arm *armv4_5_common)
+struct reg_cache *arm_build_reg_cache(struct target *target, struct arm *arm)
{
int num_regs = ARRAY_SIZE(arm_core_regs);
struct reg_cache *cache = malloc(sizeof(struct reg_cache));
{
/* Skip registers this core doesn't expose */
if (arm_core_regs[i].mode == ARM_MODE_MON
- && armv4_5_common->core_type != ARM_MODE_MON)
+ && arm->core_type != ARM_MODE_MON)
continue;
/* REVISIT handle Cortex-M, which only shadows R13/SP */
arch_info[i].num = arm_core_regs[i].cookie;
arch_info[i].mode = arm_core_regs[i].mode;
arch_info[i].target = target;
- arch_info[i].armv4_5_common = armv4_5_common;
+ arch_info[i].armv4_5_common = arm;
reg_list[i].name = (char *) arm_core_regs[i].name;
reg_list[i].size = 32;
cache->num_regs++;
}
- armv4_5_common->cpsr = reg_list + ARMV4_5_CPSR;
- armv4_5_common->core_cache = cache;
+ arm->pc = reg_list + 15;
+ arm->cpsr = reg_list + ARMV4_5_CPSR;
+ arm->core_cache = cache;
return cache;
}
-int armv4_5_arch_state(struct target *target)
+int arm_arch_state(struct target *target)
{
- struct arm *armv4_5 = target_to_armv4_5(target);
+ struct arm *armv4_5 = target_to_arm(target);
- if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC)
+ if (armv4_5->common_magic != ARM_COMMON_MAGIC)
{
LOG_ERROR("BUG: called for a non-ARM target");
return ERROR_FAIL;
LOG_USER("target halted in %s state due to %s, current mode: %s\n"
"cpsr: 0x%8.8" PRIx32 " pc: 0x%8.8" PRIx32 "%s",
- armv4_5_state_strings[armv4_5->core_state],
- Jim_Nvp_value2name_simple(nvp_target_debug_reason,
- target->debug_reason)->name,
- arm_mode_name(armv4_5->core_mode),
- buf_get_u32(armv4_5->cpsr->value, 0, 32),
- buf_get_u32(armv4_5->core_cache->reg_list[15].value,
- 0, 32),
+ arm_state_strings[armv4_5->core_state],
+ debug_reason_name(target),
+ arm_mode_name(armv4_5->core_mode),
+ buf_get_u32(armv4_5->cpsr->value, 0, 32),
+ buf_get_u32(armv4_5->pc->value, 0, 32),
armv4_5->is_semihosting ? ", semihosting" : "");
return ERROR_OK;
COMMAND_HANDLER(handle_armv4_5_reg_command)
{
struct target *target = get_current_target(CMD_CTX);
- struct arm *armv4_5 = target_to_armv4_5(target);
+ struct arm *armv4_5 = target_to_arm(target);
unsigned num_regs;
struct reg *regs;
return ERROR_FAIL;
}
+ if (armv4_5->core_type != ARM_MODE_ANY)
+ {
+ command_print(CMD_CTX, "Microcontroller Profile not supported - use standard reg cmd");
+ return ERROR_OK;
+ }
+
if (!is_arm_mode(armv4_5->core_mode))
return ERROR_FAIL;
COMMAND_HANDLER(handle_armv4_5_core_state_command)
{
struct target *target = get_current_target(CMD_CTX);
- struct arm *armv4_5 = target_to_armv4_5(target);
+ struct arm *armv4_5 = target_to_arm(target);
if (!is_arm(armv4_5))
{
return ERROR_FAIL;
}
+ if (armv4_5->core_type == ARM_MODE_THREAD)
+ {
+ /* armv7m not supported */
+ command_print(CMD_CTX, "Unsupported Command");
+ return ERROR_OK;
+ }
+
if (CMD_ARGC > 0)
{
if (strcmp(CMD_ARGV[0], "arm") == 0)
}
}
- command_print(CMD_CTX, "core state: %s", armv4_5_state_strings[armv4_5->core_state]);
+ command_print(CMD_CTX, "core state: %s", arm_state_strings[armv4_5->core_state]);
return ERROR_OK;
}
-COMMAND_HANDLER(handle_armv4_5_disassemble_command)
+COMMAND_HANDLER(handle_arm_disassemble_command)
{
int retval = ERROR_OK;
struct target *target = get_current_target(CMD_CTX);
return ERROR_FAIL;
}
+ if (arm->core_type == ARM_MODE_THREAD)
+ {
+ /* armv7m is always thumb mode */
+ thumb = 1;
+ }
+
switch (CMD_ARGC) {
case 3:
if (strcmp(CMD_ARGV[2], "thumb") != 0)
return JIM_OK;
}
+COMMAND_HANDLER(handle_arm_semihosting_command)
+{
+ struct target *target = get_current_target(CMD_CTX);
+ struct arm *arm = target ? target_to_arm(target) : NULL;
+
+ if (!is_arm(arm)) {
+ command_print(CMD_CTX, "current target isn't an ARM");
+ return ERROR_FAIL;
+ }
+
+ if (!arm->setup_semihosting)
+ {
+ command_print(CMD_CTX, "semihosting not supported for current target");
+ }
+
+ if (CMD_ARGC > 0)
+ {
+ int semihosting;
+
+ COMMAND_PARSE_ENABLE(CMD_ARGV[0], semihosting);
+
+ if (!target_was_examined(target))
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+
+ if (arm->setup_semihosting(target, semihosting) != ERROR_OK) {
+ LOG_ERROR("Failed to Configure semihosting");
+ return ERROR_FAIL;
+ }
+
+ /* FIXME never let that "catch" be dropped! */
+ arm->is_semihosting = semihosting;
+ }
+
+ command_print(CMD_CTX, "semihosting is %s",
+ arm->is_semihosting
+ ? "enabled" : "disabled");
+
+ return ERROR_OK;
+}
+
static const struct command_registration arm_exec_command_handlers[] = {
{
.name = "reg",
- .handler = &handle_armv4_5_reg_command,
+ .handler = handle_armv4_5_reg_command,
.mode = COMMAND_EXEC,
.help = "display ARM core registers",
},
{
.name = "core_state",
- .handler = &handle_armv4_5_core_state_command,
+ .handler = handle_armv4_5_core_state_command,
.mode = COMMAND_EXEC,
- .usage = "<arm | thumb>",
+ .usage = "['arm'|'thumb']",
.help = "display/change ARM core state",
},
{
.name = "disassemble",
- .handler = &handle_armv4_5_disassemble_command,
+ .handler = handle_arm_disassemble_command,
.mode = COMMAND_EXEC,
- .usage = "<address> [<count> ['thumb']]",
+ .usage = "address [count ['thumb']]",
.help = "disassemble instructions ",
},
{
.help = "read coprocessor register",
.usage = "cpnum op1 CRn op2 CRm",
},
+ {
+ "semihosting",
+ .handler = handle_arm_semihosting_command,
+ .mode = COMMAND_EXEC,
+ .usage = "['enable'|'disable']",
+ .help = "activate support for semihosting operations",
+ },
COMMAND_REGISTRATION_DONE
};
COMMAND_REGISTRATION_DONE
};
-int armv4_5_get_gdb_reg_list(struct target *target, struct reg **reg_list[], int *reg_list_size)
+int arm_get_gdb_reg_list(struct target *target,
+ struct reg **reg_list[], int *reg_list_size)
{
- struct arm *armv4_5 = target_to_armv4_5(target);
+ struct arm *armv4_5 = target_to_arm(target);
int i;
if (!is_arm_mode(armv4_5->core_mode))
static int armv4_5_run_algorithm_completion(struct target *target, uint32_t exit_point, int timeout_ms, void *arch_info)
{
int retval;
- struct arm *armv4_5 = target_to_armv4_5(target);
+ struct arm *armv4_5 = target_to_arm(target);
if ((retval = target_wait_state(target, TARGET_HALTED, timeout_ms)) != ERROR_OK)
{
}
/* fast exit: ARMv5+ code can use BKPT */
- if (exit_point && buf_get_u32(armv4_5->core_cache->reg_list[15].value,
- 0, 32) != exit_point)
+ if (exit_point && buf_get_u32(armv4_5->pc->value, 0, 32) != exit_point)
{
LOG_WARNING("target reentered debug state, but not at the desired exit point: 0x%4.4" PRIx32 "",
- buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32));
+ buf_get_u32(armv4_5->pc->value, 0, 32));
return ERROR_TARGET_TIMEOUT;
}
int (*run_it)(struct target *target, uint32_t exit_point,
int timeout_ms, void *arch_info))
{
- struct arm *armv4_5 = target_to_armv4_5(target);
- struct armv4_5_algorithm *armv4_5_algorithm_info = arch_info;
- enum armv4_5_state core_state = armv4_5->core_state;
+ struct arm *armv4_5 = target_to_arm(target);
+ struct arm_algorithm *arm_algorithm_info = arch_info;
+ enum arm_state core_state = armv4_5->core_state;
uint32_t context[17];
uint32_t cpsr;
int exit_breakpoint_size = 0;
LOG_DEBUG("Running algorithm");
- if (armv4_5_algorithm_info->common_magic != ARMV4_5_COMMON_MAGIC)
+ if (arm_algorithm_info->common_magic != ARM_COMMON_MAGIC)
{
LOG_ERROR("current target isn't an ARMV4/5 target");
return ERROR_TARGET_INVALID;
struct reg *r;
r = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
- armv4_5_algorithm_info->core_mode, i);
+ arm_algorithm_info->core_mode, i);
if (!r->valid)
armv4_5->read_core_reg(target, r, i,
- armv4_5_algorithm_info->core_mode);
+ arm_algorithm_info->core_mode);
context[i] = buf_get_u32(r->value, 0, 32);
}
cpsr = buf_get_u32(armv4_5->cpsr->value, 0, 32);
}
}
- armv4_5->core_state = armv4_5_algorithm_info->core_state;
+ armv4_5->core_state = arm_algorithm_info->core_state;
if (armv4_5->core_state == ARM_STATE_ARM)
exit_breakpoint_size = 4;
else if (armv4_5->core_state == ARM_STATE_THUMB)
return ERROR_INVALID_ARGUMENTS;
}
- if (armv4_5_algorithm_info->core_mode != ARM_MODE_ANY)
+ if (arm_algorithm_info->core_mode != ARM_MODE_ANY)
{
LOG_DEBUG("setting core_mode: 0x%2.2x",
- armv4_5_algorithm_info->core_mode);
+ arm_algorithm_info->core_mode);
buf_set_u32(armv4_5->cpsr->value, 0, 5,
- armv4_5_algorithm_info->core_mode);
+ arm_algorithm_info->core_mode);
armv4_5->cpsr->dirty = 1;
armv4_5->cpsr->valid = 1;
}
for (i = 0; i <= 16; i++)
{
uint32_t regvalue;
- regvalue = buf_get_u32(ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_algorithm_info->core_mode, i).value, 0, 32);
+ regvalue = buf_get_u32(ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, arm_algorithm_info->core_mode, i).value, 0, 32);
if (regvalue != context[i])
{
- LOG_DEBUG("restoring register %s with value 0x%8.8" PRIx32 "", ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_algorithm_info->core_mode, i).name, context[i]);
- buf_set_u32(ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_algorithm_info->core_mode, i).value, 0, 32, context[i]);
- ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_algorithm_info->core_mode, i).valid = 1;
- ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, armv4_5_algorithm_info->core_mode, i).dirty = 1;
+ LOG_DEBUG("restoring register %s with value 0x%8.8" PRIx32 "", ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, arm_algorithm_info->core_mode, i).name, context[i]);
+ buf_set_u32(ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, arm_algorithm_info->core_mode, i).value, 0, 32, context[i]);
+ ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, arm_algorithm_info->core_mode, i).valid = 1;
+ ARMV4_5_CORE_REG_MODE(armv4_5->core_cache, arm_algorithm_info->core_mode, i).dirty = 1;
}
}
uint32_t address, uint32_t count, uint32_t *checksum)
{
struct working_area *crc_algorithm;
- struct armv4_5_algorithm armv4_5_info;
+ struct arm_algorithm armv4_5_info;
struct reg_param reg_params[2];
int retval;
uint32_t i;
return retval;
}
- armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
+ armv4_5_info.common_magic = ARM_COMMON_MAGIC;
armv4_5_info.core_mode = ARM_MODE_SVC;
armv4_5_info.core_state = ARM_STATE_ARM;
{
struct working_area *check_algorithm;
struct reg_param reg_params[3];
- struct armv4_5_algorithm armv4_5_info;
+ struct arm_algorithm armv4_5_info;
int retval;
uint32_t i;
return retval;
}
- armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
+ armv4_5_info.common_magic = ARM_COMMON_MAGIC;
armv4_5_info.core_mode = ARM_MODE_SVC;
armv4_5_info.core_state = ARM_STATE_ARM;
static int arm_full_context(struct target *target)
{
- struct arm *armv4_5 = target_to_armv4_5(target);
+ struct arm *armv4_5 = target_to_arm(target);
unsigned num_regs = armv4_5->core_cache->num_regs;
struct reg *reg = armv4_5->core_cache->reg_list;
int retval = ERROR_OK;
return ERROR_FAIL;
}
-int armv4_5_init_arch_info(struct target *target, struct arm *armv4_5)
+int arm_init_arch_info(struct target *target, struct arm *armv4_5)
{
target->arch_info = armv4_5;
armv4_5->target = target;
- armv4_5->common_magic = ARMV4_5_COMMON_MAGIC;
- arm_set_cpsr(armv4_5, ARM_MODE_USR);
+ armv4_5->common_magic = ARM_COMMON_MAGIC;
/* core_type may be overridden by subtype logic */
- armv4_5->core_type = ARM_MODE_ANY;
+ if (armv4_5->core_type != ARM_MODE_THREAD) {
+ armv4_5->core_type = ARM_MODE_ANY;
+ arm_set_cpsr(armv4_5, ARM_MODE_USR);
+ }
/* default full_context() has no core-specific optimizations */
if (!armv4_5->full_context && armv4_5->read_core_reg)