#include "target_type.h"
+/*
+ * NOTE: this holds code that's used with multiple ARM9 processors:
+ * - ARM9TDMI (ARMv4T) ... in ARM920, ARM922, and ARM940 cores
+ * - ARM9E-S (ARMv5TE) ... in ARM946, ARM966, and ARM968 cores
+ * - ARM9EJS (ARMv5TEJ) ... in ARM926 core
+ *
+ * In short, the file name is a misnomer ... it is NOT specific to
+ * that first generation ARM9 processor, or cores using it.
+ */
+
#if 0
#define _DEBUG_INSTRUCTION_EXECUTION_
#endif
-/* cli handling */
-int handle_arm9tdmi_catch_vectors_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-/* forward declarations */
-int arm9tdmi_target_create( struct target_s *target, Jim_Interp *interp );
-
-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
-};
-
-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},
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];
if (in)
{
- fields[0].in_value=(uint8_t *)in;
+ fields[0].in_value = (uint8_t *)in;
jtag_add_dr_scan(3, fields, jtag_get_end_state());
jtag_add_callback(arm_le_to_h_u32, (jtag_callback_data_t)in);
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];
return ERROR_OK;
}
-void arm9tdmi_change_to_arm(target_t *target, uint32_t *r0, uint32_t *pc)
+static void arm9tdmi_change_to_arm(target_t *target,
+ uint32_t *r0, uint32_t *pc)
{
int retval = ERROR_OK;
/* get pointers to arch-specific information */
*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 */
}
}
-void arm9tdmi_read_core_regs_target_buffer(target_t *target, uint32_t mask, void* buffer, int size)
+static void arm9tdmi_read_core_regs_target_buffer(target_t *target,
+ uint32_t mask, void* buffer, int size)
{
int i;
/* get pointers to arch-specific information */
}
}
-void arm9tdmi_read_xpsr(target_t *target, uint32_t *xpsr, int spsr)
+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;
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, xpsr, 0);
}
-void arm9tdmi_write_xpsr(target_t *target, uint32_t xpsr, int spsr)
+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;
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
}
-void arm9tdmi_write_xpsr_im8(target_t *target, uint8_t xpsr_im, int rot, int 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;
}
}
-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 */
for (i = 0; i <= 15; i++)
{
if (mask & (1 << i))
- /* nothing fetched, LDM still in EXECUTE (1+i cycle) */
+ /* nothing fetched, LDM still in EXECUTE (1 + i cycle) */
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, core_regs[i], NULL, 0);
}
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
}
-void arm9tdmi_write_pc(target_t *target, uint32_t pc)
+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;
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
}
-void arm9tdmi_branch_resume_thumb(target_t *target)
+static void arm9tdmi_branch_resume_thumb(target_t *target)
{
LOG_DEBUG("-");
}
}
-void arm9tdmi_build_reg_cache(target_t *target)
+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 */
reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
reg_cache_t *t;
/* one extra register (vector catch) */
- t=embeddedice_build_reg_cache(target, arm7_9);
+ t = embeddedice_build_reg_cache(target, arm7_9);
if (t == NULL)
return ERROR_FAIL;
(*cache_p) = t;
}
target_set_examined(target);
}
- if ((retval=embeddedice_setup(target)) != ERROR_OK)
+ if ((retval = embeddedice_setup(target)) != ERROR_OK)
return retval;
- if ((retval=arm7_9_setup(target)) != ERROR_OK)
+ if ((retval = arm7_9_setup(target)) != ERROR_OK)
return retval;
if (arm7_9->etm_ctx)
{
- if ((retval=etm_setup(target)) != ERROR_OK)
+ 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;
-}
-
-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;
return ERROR_OK;
}
-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)
+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;
return ERROR_OK;
}
-int arm9tdmi_target_create(struct target_s *target, Jim_Interp *interp)
+static int arm9tdmi_target_create(struct target_s *target, Jim_Interp *interp)
{
arm9tdmi_common_t *arm9tdmi = calloc(1,sizeof(arm9tdmi_common_t));
arm9tdmi_init_arch_info(target, arm9tdmi, target->tap);
+ arm9tdmi->arm7_9_common.armv4_5_common.is_armv4 = true;
return ERROR_OK;
}
-int arm9tdmi_register_commands(struct command_context_s *cmd_ctx)
-{
- int retval;
- command_t *arm9tdmi_cmd;
-
- retval = arm7_9_register_commands(cmd_ctx);
- arm9tdmi_cmd = register_command(cmd_ctx, NULL, "arm9tdmi", NULL, COMMAND_ANY, "arm9tdmi specific commands");
- register_command(cmd_ctx, arm9tdmi_cmd, "vector_catch", handle_arm9tdmi_catch_vectors_command, COMMAND_EXEC, "catch arm920t vectors ['all'|'none'|'<vec1 vec2 ...>']");
-
- return retval;
-}
-
-int handle_arm9tdmi_catch_vectors_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+static int handle_arm9tdmi_catch_vectors_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;
if (arm9tdmi_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi) != ERROR_OK)
{
- command_print(cmd_ctx, "current target isn't an ARM9TDMI based target");
+ command_print(cmd_ctx, "current target isn't an ARM9 based target");
return ERROR_OK;
}
embeddedice_read_reg(vector_catch);
/* get the current setting */
- vector_catch_value = buf_get_u32(vector_catch->value, 0, 32);
+ vector_catch_value = buf_get_u32(vector_catch->value, 0, 8);
if (argc > 0)
{
command_print(cmd_ctx, "vector '%s' not found, leaving current setting unchanged", args[i]);
/* reread current setting */
- vector_catch_value = buf_get_u32(vector_catch->value, 0, 32);
+ vector_catch_value = buf_get_u32(
+ vector_catch->value,
+ 0, 8);
break;
}
}
/* store new settings */
- buf_set_u32(vector_catch->value, 0, 32, vector_catch_value);
+ buf_set_u32(vector_catch->value, 0, 8, vector_catch_value);
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;
}
+
+int arm9tdmi_register_commands(struct command_context_s *cmd_ctx)
+{
+ int retval;
+ command_t *arm9tdmi_cmd;
+
+ retval = arm7_9_register_commands(cmd_ctx);
+ arm9tdmi_cmd = register_command(cmd_ctx, NULL, "arm9",
+ NULL, COMMAND_ANY,
+ "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|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,
+};
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