#define _DEBUG_INSTRUCTION_EXECUTION_
#endif
-/* forward declarations */
-static int arm9tdmi_target_create(struct target_s *target, Jim_Interp *interp);
-static int arm9tdmi_quit(void);
-
-target_type_t arm9tdmi_target =
-{
- .name = "arm9tdmi",
-
- .poll = arm7_9_poll,
- .arch_state = armv4_5_arch_state,
-
- .target_request_data = arm7_9_target_request_data,
-
- .halt = arm7_9_halt,
- .resume = arm7_9_resume,
- .step = arm7_9_step,
-
- .assert_reset = arm7_9_assert_reset,
- .deassert_reset = arm7_9_deassert_reset,
- .soft_reset_halt = arm7_9_soft_reset_halt,
-
- .get_gdb_reg_list = armv4_5_get_gdb_reg_list,
-
- .read_memory = arm7_9_read_memory,
- .write_memory = arm7_9_write_memory,
- .bulk_write_memory = arm7_9_bulk_write_memory,
- .checksum_memory = arm7_9_checksum_memory,
- .blank_check_memory = arm7_9_blank_check_memory,
-
- .run_algorithm = armv4_5_run_algorithm,
-
- .add_breakpoint = arm7_9_add_breakpoint,
- .remove_breakpoint = arm7_9_remove_breakpoint,
- .add_watchpoint = arm7_9_add_watchpoint,
- .remove_watchpoint = arm7_9_remove_watchpoint,
-
- .register_commands = arm9tdmi_register_commands,
- .target_create = arm9tdmi_target_create,
- .init_target = arm9tdmi_init_target,
- .examine = arm9tdmi_examine,
- .quit = arm9tdmi_quit
-};
-
-static arm9tdmi_vector_t arm9tdmi_vectors[] =
+static const arm9tdmi_vector_t arm9tdmi_vectors[] =
{
{"reset", ARM9TDMI_RESET_VECTOR},
{"undef", ARM9TDMI_UNDEF_VECTOR},
{"swi", ARM9TDMI_SWI_VECTOR},
{"pabt", ARM9TDMI_PABT_VECTOR},
{"dabt", ARM9TDMI_DABT_VECTOR},
- {"reserved", ARM9TDMI_RESERVED_VECTOR},
{"irq", ARM9TDMI_IRQ_VECTOR},
{"fiq", ARM9TDMI_FIQ_VECTOR},
{0, 0},
int arm9tdmi_examine_debug_reason(target_t *target)
{
int retval = ERROR_OK;
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
/* only check the debug reason if we don't know it already */
if ((target->debug_reason != DBG_REASON_DBGRQ)
return ERROR_OK;
}
-/* put an instruction in the ARM9TDMI pipeline or write the data bus, and optionally read data */
-int arm9tdmi_clock_out(arm_jtag_t *jtag_info, uint32_t instr, uint32_t out, uint32_t *in, int sysspeed)
+/* put an instruction in the ARM9TDMI pipeline or write the data bus,
+ * and optionally read data
+ */
+int arm9tdmi_clock_out(arm_jtag_t *jtag_info, uint32_t instr,
+ uint32_t out, uint32_t *in, int sysspeed)
{
int retval = ERROR_OK;
scan_field_t fields[3];
extern void arm_endianness(uint8_t *tmp, void *in, int size, int be, int flip);
-static int arm9endianness(jtag_callback_data_t arg, jtag_callback_data_t size, jtag_callback_data_t be, jtag_callback_data_t captured)
+static int arm9endianness(jtag_callback_data_t arg,
+ jtag_callback_data_t size, jtag_callback_data_t be,
+ jtag_callback_data_t captured)
{
- uint8_t *in = (uint8_t *)arg;
+ uint8_t *in = (uint8_t *)arg;
+
arm_endianness((uint8_t *)captured, in, (int)size, (int)be, 0);
return ERROR_OK;
}
* the *in pointer points to a buffer where elements of 'size' bytes
* are stored in big (be == 1) or little (be == 0) endianness
*/
-int arm9tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size, int be)
+int arm9tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info,
+ void *in, int size, int be)
{
int retval = ERROR_OK;
scan_field_t fields[3];
uint32_t *r0, uint32_t *pc)
{
int retval = ERROR_OK;
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
/* save r0 before using it and put system in ARM state
*pc -= 0xc;
}
-void arm9tdmi_read_core_regs(target_t *target, uint32_t mask, uint32_t* core_regs[16])
+void arm9tdmi_read_core_regs(target_t *target,
+ uint32_t mask, uint32_t* core_regs[16])
{
int i;
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
/* STMIA r0-15, [r0] at debug speed
uint32_t mask, void* buffer, int size)
{
int i;
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
int be = (target->endianness == TARGET_BIG_ENDIAN) ? 1 : 0;
uint32_t *buf_u32 = buffer;
static void arm9tdmi_read_xpsr(target_t *target, uint32_t *xpsr, int spsr)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
/* MRS r0, cpsr */
static void arm9tdmi_write_xpsr(target_t *target, uint32_t xpsr, int spsr)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
LOG_DEBUG("xpsr: %8.8" PRIx32 ", spsr: %i", xpsr, spsr);
static void arm9tdmi_write_xpsr_im8(target_t *target,
uint8_t xpsr_im, int rot, int spsr)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
LOG_DEBUG("xpsr_im: %2.2x, rot: %i, spsr: %i", xpsr_im, rot, spsr);
}
}
-void arm9tdmi_write_core_regs(target_t *target, uint32_t mask, uint32_t core_regs[16])
+void arm9tdmi_write_core_regs(target_t *target,
+ uint32_t mask, uint32_t core_regs[16])
{
int i;
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
/* LDMIA r0-15, [r0] at debug speed
void arm9tdmi_load_word_regs(target_t *target, uint32_t mask)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
/* put system-speed load-multiple into the pipeline */
void arm9tdmi_load_hword_reg(target_t *target, int num)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
/* put system-speed load half-word into the pipeline */
void arm9tdmi_load_byte_reg(target_t *target, int num)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
/* put system-speed load byte into the pipeline */
void arm9tdmi_store_word_regs(target_t *target, uint32_t mask)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
/* put system-speed store-multiple into the pipeline */
void arm9tdmi_store_hword_reg(target_t *target, int num)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
/* put system-speed store half-word into the pipeline */
void arm9tdmi_store_byte_reg(target_t *target, int num)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
/* put system-speed store byte into the pipeline */
static void arm9tdmi_write_pc(target_t *target, uint32_t pc)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
/* LDMIA r0-15, [r0] at debug speed
void arm9tdmi_branch_resume(target_t *target)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
arm9tdmi_clock_out(jtag_info, ARMV4_5_B(0xfffffc, 0), 0, NULL, 0);
{
LOG_DEBUG("-");
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
void arm9tdmi_enable_single_step(target_t *target, uint32_t next_pc)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
if (arm7_9->has_single_step)
{
void arm9tdmi_disable_single_step(target_t *target)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
if (arm7_9->has_single_step)
{
static void arm9tdmi_build_reg_cache(target_t *target)
{
reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
+ struct armv4_5_common_s *armv4_5 = target_to_armv4_5(target);
(*cache_p) = armv4_5_build_reg_cache(target, armv4_5);
armv4_5->core_cache = (*cache_p);
int arm9tdmi_examine(struct target_s *target)
{
- /* get pointers to arch-specific information */
int retval;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+
if (!target_was_examined(target))
{
reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
(*cache_p) = t;
arm7_9->eice_cache = (*cache_p);
- if (arm7_9->etm_ctx)
+ if (arm7_9->armv4_5_common.etm)
{
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
- (*cache_p)->next = etm_build_reg_cache(target, jtag_info, arm7_9->etm_ctx);
- arm7_9->etm_ctx->reg_cache = (*cache_p)->next;
+ (*cache_p)->next = etm_build_reg_cache(target,
+ jtag_info, arm7_9->armv4_5_common.etm);
+ arm7_9->armv4_5_common.etm->reg_cache = (*cache_p)->next;
}
target_set_examined(target);
}
return retval;
if ((retval = arm7_9_setup(target)) != ERROR_OK)
return retval;
- if (arm7_9->etm_ctx)
+ if (arm7_9->armv4_5_common.etm)
{
if ((retval = etm_setup(target)) != ERROR_OK)
return retval;
return ERROR_OK;
}
-int arm9tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *target)
+int arm9tdmi_init_target(struct command_context_s *cmd_ctx,
+ struct target_s *target)
{
-
arm9tdmi_build_reg_cache(target);
-
- return ERROR_OK;
-}
-
-static int arm9tdmi_quit(void)
-{
return ERROR_OK;
}
arm7_9->enable_single_step = arm9tdmi_enable_single_step;
arm7_9->disable_single_step = arm9tdmi_disable_single_step;
- arm7_9->pre_debug_entry = NULL;
arm7_9->post_debug_entry = NULL;
arm7_9->pre_restore_context = NULL;
arm7_9->thumb_bkpt = 0xdeee;
arm7_9->dbgreq_adjust_pc = 3;
- arm7_9->arch_info = arm9tdmi;
-
- arm9tdmi->common_magic = ARM9TDMI_COMMON_MAGIC;
- arm9tdmi->arch_info = NULL;
arm7_9_init_arch_info(target, arm7_9);
return ERROR_OK;
}
-static int arm9tdmi_get_arch_pointers(target_t *target,
- armv4_5_common_t **armv4_5_p, arm7_9_common_t **arm7_9_p,
- arm9tdmi_common_t **arm9tdmi_p)
-{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9;
- arm9tdmi_common_t *arm9tdmi;
-
- if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC)
- {
- return -1;
- }
-
- arm7_9 = armv4_5->arch_info;
- if (arm7_9->common_magic != ARM7_9_COMMON_MAGIC)
- {
- return -1;
- }
-
- arm9tdmi = arm7_9->arch_info;
- if (arm9tdmi->common_magic != ARM9TDMI_COMMON_MAGIC)
- {
- return -1;
- }
-
- *armv4_5_p = armv4_5;
- *arm7_9_p = arm7_9;
- *arm9tdmi_p = arm9tdmi;
-
- return ERROR_OK;
-}
-
static int arm9tdmi_target_create(struct target_s *target, Jim_Interp *interp)
{
arm9tdmi_common_t *arm9tdmi = calloc(1,sizeof(arm9tdmi_common_t));
return ERROR_OK;
}
-static int handle_arm9tdmi_catch_vectors_command(
- struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_arm9tdmi_catch_vectors_command)
{
target_t *target = get_current_target(cmd_ctx);
- armv4_5_common_t *armv4_5;
- arm7_9_common_t *arm7_9;
- arm9tdmi_common_t *arm9tdmi;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
reg_t *vector_catch;
uint32_t vector_catch_value;
int i, j;
- if (arm9tdmi_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi) != ERROR_OK)
- {
- command_print(cmd_ctx, "current target isn't an ARM9 based target");
- return ERROR_OK;
+ /* it's uncommon, but some ARM7 chips can support this */
+ if (arm7_9->common_magic != ARM7_9_COMMON_MAGIC
+ || !arm7_9->has_vector_catch) {
+ command_print(cmd_ctx, "target doesn't have EmbeddedICE "
+ "with vector_catch");
+ return ERROR_TARGET_INVALID;
}
vector_catch = &arm7_9->eice_cache->reg_list[EICE_VEC_CATCH];
embeddedice_store_reg(vector_catch);
}
- /* output current settings (skip RESERVED vector) */
- for (i = 0; i < 8; i++)
- {
- if (i != 5)
- {
- command_print(cmd_ctx, "%s: %s", arm9tdmi_vectors[i].name,
- (vector_catch_value & (1 << i)) ? "catch" : "don't catch");
- }
+ /* output current settings */
+ for (i = 0; arm9tdmi_vectors[i].name; i++) {
+ command_print(cmd_ctx, "%s: %s", arm9tdmi_vectors[i].name,
+ (vector_catch_value & arm9tdmi_vectors[i].value)
+ ? "catch" : "don't catch");
}
return ERROR_OK;
command_t *arm9tdmi_cmd;
retval = arm7_9_register_commands(cmd_ctx);
- arm9tdmi_cmd = register_command(cmd_ctx, NULL, "arm9tdmi",
+ arm9tdmi_cmd = register_command(cmd_ctx, NULL, "arm9",
NULL, COMMAND_ANY,
- "arm9tdmi specific commands");
+ "arm9 specific commands");
register_command(cmd_ctx, arm9tdmi_cmd, "vector_catch",
handle_arm9tdmi_catch_vectors_command, COMMAND_EXEC,
- "arm9 vector_catch [all|none|reset|undef|swi|pabt|dabt|reserved|irq|fiq] - separate vectors to catch by space");
-
-
+ "arm9 vector_catch [all|none|reset|undef|swi|pabt|dabt|irq|fiq] ...");
return retval;
}
+/** Holds methods for ARM9TDMI targets. */
+target_type_t arm9tdmi_target =
+{
+ .name = "arm9tdmi",
+
+ .poll = arm7_9_poll,
+ .arch_state = armv4_5_arch_state,
+
+ .target_request_data = arm7_9_target_request_data,
+
+ .halt = arm7_9_halt,
+ .resume = arm7_9_resume,
+ .step = arm7_9_step,
+
+ .assert_reset = arm7_9_assert_reset,
+ .deassert_reset = arm7_9_deassert_reset,
+ .soft_reset_halt = arm7_9_soft_reset_halt,
+
+ .get_gdb_reg_list = armv4_5_get_gdb_reg_list,
+
+ .read_memory = arm7_9_read_memory,
+ .write_memory = arm7_9_write_memory,
+ .bulk_write_memory = arm7_9_bulk_write_memory,
+ .checksum_memory = arm7_9_checksum_memory,
+ .blank_check_memory = arm7_9_blank_check_memory,
+
+ .run_algorithm = armv4_5_run_algorithm,
+
+ .add_breakpoint = arm7_9_add_breakpoint,
+ .remove_breakpoint = arm7_9_remove_breakpoint,
+ .add_watchpoint = arm7_9_add_watchpoint,
+ .remove_watchpoint = arm7_9_remove_watchpoint,
+
+ .register_commands = arm9tdmi_register_commands,
+ .target_create = arm9tdmi_target_create,
+ .init_target = arm9tdmi_init_target,
+ .examine = arm9tdmi_examine,
+};
projects / fw / openocd / blobdiff