#include "arm966e.h"
#include "target_type.h"
+#include "arm_opcodes.h"
#if 0
#define _DEBUG_INSTRUCTION_EXECUTION_
#endif
-int arm966e_init_arch_info(target_t *target, arm966e_common_t *arm966e, jtag_tap_t *tap)
+int arm966e_init_arch_info(struct target *target, struct arm966e_common *arm966e, struct jtag_tap *tap)
{
- arm9tdmi_common_t *arm9tdmi = &arm966e->arm9tdmi_common;
- arm7_9_common_t *arm7_9 = &arm9tdmi->arm7_9_common;
+ struct arm7_9_common *arm7_9 = &arm966e->arm7_9_common;
- arm9tdmi_init_arch_info(target, arm9tdmi, tap);
+ /* initialize arm7/arm9 specific info (including armv4_5) */
+ arm9tdmi_init_arch_info(target, arm7_9, tap);
- arm9tdmi->arch_info = arm966e;
arm966e->common_magic = ARM966E_COMMON_MAGIC;
/* The ARM966E-S implements the ARMv5TE architecture which
return ERROR_OK;
}
-static int arm966e_target_create(struct target_s *target, Jim_Interp *interp)
+static int arm966e_target_create(struct target *target, Jim_Interp *interp)
{
- arm966e_common_t *arm966e = calloc(1,sizeof(arm966e_common_t));
+ struct arm966e_common *arm966e = calloc(1,sizeof(struct arm966e_common));
return arm966e_init_arch_info(target, arm966e, target->tap);
}
-static int arm966e_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, arm966e_common_t **arm966e_p)
+static int arm966e_verify_pointer(struct command_context *cmd_ctx,
+ struct arm966e_common *arm966e)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9;
- arm9tdmi_common_t *arm9tdmi;
- arm966e_common_t *arm966e;
-
- 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;
+ if (arm966e->common_magic != ARM966E_COMMON_MAGIC) {
+ command_print(cmd_ctx, "target is not an ARM966");
+ return ERROR_TARGET_INVALID;
}
-
- arm966e = arm9tdmi->arch_info;
- if (arm966e->common_magic != ARM966E_COMMON_MAGIC)
- {
- return -1;
- }
-
- *armv4_5_p = armv4_5;
- *arm7_9_p = arm7_9;
- *arm9tdmi_p = arm9tdmi;
- *arm966e_p = arm966e;
-
return ERROR_OK;
}
-static int arm966e_read_cp15(target_t *target, int reg_addr, uint32_t *value)
+/*
+ * REVISIT: The "read_cp15" and "write_cp15" commands could hook up
+ * to eventual mrc() and mcr() routines ... the reg_addr values being
+ * constructed (for CP15 only) from Opcode_1, Opcode_2, and CRn values.
+ * See section 7.3 of the ARM966E-S TRM.
+ */
+
+static int arm966e_read_cp15(struct target *target, int reg_addr, uint32_t *value)
{
int retval = ERROR_OK;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
- arm_jtag_t *jtag_info = &arm7_9->jtag_info;
- scan_field_t fields[3];
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
+ struct scan_field fields[3];
uint8_t reg_addr_buf = reg_addr & 0x3f;
uint8_t nr_w_buf = 0;
- jtag_set_end_state(TAP_IDLE);
- if ((retval = arm_jtag_scann(jtag_info, 0xf)) != ERROR_OK)
+ if ((retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE)) != ERROR_OK)
{
return retval;
}
- arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
+ retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
- fields[0].tap = jtag_info->tap;
fields[0].num_bits = 32;
+ /* REVISIT: table 7-2 shows that bits 31-31 need to be
+ * specified for accessing BIST registers ...
+ */
fields[0].out_value = NULL;
fields[0].in_value = NULL;
- fields[1].tap = jtag_info->tap;
fields[1].num_bits = 6;
fields[1].out_value = ®_addr_buf;
fields[1].in_value = NULL;
- fields[2].tap = jtag_info->tap;
fields[2].num_bits = 1;
fields[2].out_value = &nr_w_buf;
fields[2].in_value = NULL;
- jtag_add_dr_scan(3, fields, jtag_get_end_state());
+ jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
fields[1].in_value = (uint8_t *)value;
- jtag_add_dr_scan(3, fields, jtag_get_end_state());
+ jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
jtag_add_callback(arm_le_to_h_u32, (jtag_callback_data_t)value);
}
// EXPORTED to str9x (flash)
-int arm966e_write_cp15(target_t *target, int reg_addr, uint32_t value)
+int arm966e_write_cp15(struct target *target, int reg_addr, uint32_t value)
{
int retval = ERROR_OK;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
- arm_jtag_t *jtag_info = &arm7_9->jtag_info;
- scan_field_t fields[3];
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
+ struct scan_field fields[3];
uint8_t reg_addr_buf = reg_addr & 0x3f;
uint8_t nr_w_buf = 1;
uint8_t value_buf[4];
buf_set_u32(value_buf, 0, 32, value);
- jtag_set_end_state(TAP_IDLE);
- if ((retval = arm_jtag_scann(jtag_info, 0xf)) != ERROR_OK)
+ if ((retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE)) != ERROR_OK)
{
return retval;
}
- arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
+ retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
- fields[0].tap = jtag_info->tap;
fields[0].num_bits = 32;
fields[0].out_value = value_buf;
fields[0].in_value = NULL;
- fields[1].tap = jtag_info->tap;
fields[1].num_bits = 6;
fields[1].out_value = ®_addr_buf;
fields[1].in_value = NULL;
- fields[2].tap = jtag_info->tap;
fields[2].num_bits = 1;
fields[2].out_value = &nr_w_buf;
fields[2].in_value = NULL;
- jtag_add_dr_scan(3, fields, jtag_get_end_state());
+ jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
LOG_DEBUG("addr: 0x%x value: %8.8x", reg_addr, value);
return ERROR_OK;
}
-static int arm966e_handle_cp15_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(arm966e_handle_cp15_command)
{
int retval;
- target_t *target = get_current_target(cmd_ctx);
- armv4_5_common_t *armv4_5;
- arm7_9_common_t *arm7_9;
- arm9tdmi_common_t *arm9tdmi;
- arm966e_common_t *arm966e;
- arm_jtag_t *jtag_info;
-
- if (arm966e_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi, &arm966e) != ERROR_OK)
- {
- command_print(cmd_ctx, "current target isn't an ARM966e target");
- return ERROR_OK;
- }
+ struct target *target = get_current_target(CMD_CTX);
+ struct arm966e_common *arm966e = target_to_arm966(target);
- jtag_info = &arm7_9->jtag_info;
+ retval = arm966e_verify_pointer(CMD_CTX, arm966e);
+ if (retval != ERROR_OK)
+ return retval;
if (target->state != TARGET_HALTED)
{
- command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd);
+ command_print(CMD_CTX, "target must be stopped for \"%s\" command", CMD_NAME);
return ERROR_OK;
}
/* one or more argument, access a single register (write if second argument is given */
- if (argc >= 1)
+ if (CMD_ARGC >= 1)
{
uint32_t address;
- COMMAND_PARSE_NUMBER(u32, args[0], address);
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
- if (argc == 1)
+ if (CMD_ARGC == 1)
{
uint32_t value;
if ((retval = arm966e_read_cp15(target, address, &value)) != ERROR_OK)
{
- command_print(cmd_ctx, "couldn't access reg %i", address);
+ command_print(CMD_CTX,
+ "couldn't access reg %" PRIi32,
+ address);
return ERROR_OK;
}
if ((retval = jtag_execute_queue()) != ERROR_OK)
return retval;
}
- command_print(cmd_ctx, "%i: %8.8" PRIx32 "", address, value);
+ command_print(CMD_CTX, "%" PRIi32 ": %8.8" PRIx32,
+ address, value);
}
- else if (argc == 2)
+ else if (CMD_ARGC == 2)
{
uint32_t value;
- COMMAND_PARSE_NUMBER(u32, args[1], value);
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
if ((retval = arm966e_write_cp15(target, address, value)) != ERROR_OK)
{
- command_print(cmd_ctx, "couldn't access reg %i", address);
+ command_print(CMD_CTX,
+ "couldn't access reg %" PRIi32,
+ address);
return ERROR_OK;
}
- command_print(cmd_ctx, "%i: %8.8" PRIx32 "", address, value);
+ command_print(CMD_CTX, "%" PRIi32 ": %8.8" PRIx32,
+ address, value);
}
}
return ERROR_OK;
}
-/** Registers commands used to access coprocessor resources. */
-int arm966e_register_commands(struct command_context_s *cmd_ctx)
-{
- int retval;
- command_t *arm966e_cmd;
-
- retval = arm9tdmi_register_commands(cmd_ctx);
- arm966e_cmd = register_command(cmd_ctx, NULL, "arm966e",
- NULL, COMMAND_ANY,
- "arm966e specific commands");
- register_command(cmd_ctx, arm966e_cmd, "cp15",
- arm966e_handle_cp15_command, COMMAND_EXEC,
- "display/modify cp15 register <num> [value]");
+static const struct command_registration arm966e_exec_command_handlers[] = {
+ {
+ .name = "cp15",
+ .handler = arm966e_handle_cp15_command,
+ .mode = COMMAND_EXEC,
+ .usage = "regnum [value]",
+ .help = "display/modify cp15 register",
+ },
+ COMMAND_REGISTRATION_DONE
+};
- return retval;
-}
+const struct command_registration arm966e_command_handlers[] = {
+ {
+ .chain = arm9tdmi_command_handlers,
+ },
+ {
+ .name = "arm966e",
+ .mode = COMMAND_ANY,
+ .help = "arm966e command group",
+ .usage = "",
+ .chain = arm966e_exec_command_handlers,
+ },
+ COMMAND_REGISTRATION_DONE
+};
/** Holds methods for ARM966 targets. */
-target_type_t arm966e_target =
+struct target_type arm966e_target =
{
.name = "arm966e",
.poll = arm7_9_poll,
- .arch_state = armv4_5_arch_state,
+ .arch_state = arm_arch_state,
.target_request_data = arm7_9_target_request_data,
.deassert_reset = arm7_9_deassert_reset,
.soft_reset_halt = arm7_9_soft_reset_halt,
- .get_gdb_reg_list = armv4_5_get_gdb_reg_list,
+ .get_gdb_reg_list = arm_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,
+
+ .checksum_memory = arm_checksum_memory,
+ .blank_check_memory = arm_blank_check_memory,
.run_algorithm = armv4_5_run_algorithm,
.add_watchpoint = arm7_9_add_watchpoint,
.remove_watchpoint = arm7_9_remove_watchpoint,
- .register_commands = arm966e_register_commands,
+ .commands = arm966e_command_handlers,
.target_create = arm966e_target_create,
.init_target = arm9tdmi_init_target,
- .examine = arm9tdmi_examine,
+ .examine = arm7_9_examine,
+ .check_reset = arm7_9_check_reset,
};
projects / fw / openocd / blobdiff