#endif
#include "arm720t.h"
-#include "jtag.h"
-#include "log.h"
+#include "time_support.h"
+#include "target_type.h"
-#include <stdlib.h>
-#include <string.h>
#if 0
#define _DEBUG_INSTRUCTION_EXECUTION_
int arm720t_handle_mw_phys_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
/* forward declarations */
-int arm720t_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target);
+int arm720t_target_create(struct target_s *target,Jim_Interp *interp);
int arm720t_init_target(struct command_context_s *cmd_ctx, struct target_s *target);
-int arm720t_quit();
+int arm720t_quit(void);
int arm720t_arch_state(struct target_s *target);
-int arm720t_read_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
-int arm720t_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
+int arm720t_read_memory(struct target_s *target, u32 address, u32 size, u32 count, uint8_t *buffer);
+int arm720t_write_memory(struct target_s *target, u32 address, u32 size, u32 count, uint8_t *buffer);
int arm720t_soft_reset_halt(struct target_s *target);
target_type_t arm720t_target =
.assert_reset = arm7_9_assert_reset,
.deassert_reset = arm7_9_deassert_reset,
.soft_reset_halt = arm720t_soft_reset_halt,
- .prepare_reset_halt = arm7_9_prepare_reset_halt,
-
+
.get_gdb_reg_list = armv4_5_get_gdb_reg_list,
.read_memory = arm720t_read_memory,
.write_memory = arm720t_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_watchpoint = arm7_9_remove_watchpoint,
.register_commands = arm720t_register_commands,
- .target_command = arm720t_target_command,
+ .target_create = arm720t_target_create,
.init_target = arm720t_init_target,
+ .examine = arm7tdmi_examine,
.quit = arm720t_quit
};
int arm720t_scan_cp15(target_t *target, u32 out, u32 *in, int instruction, int clock)
{
+ 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[2];
- u8 out_buf[4];
- u8 instruction_buf = instruction;
-
+ uint8_t out_buf[4];
+ uint8_t instruction_buf = instruction;
+
buf_set_u32(out_buf, 0, 32, flip_u32(out, 32));
-
- jtag_add_end_state(TAP_PD);
- arm_jtag_scann(jtag_info, 0xf);
- arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
-
- fields[0].device = jtag_info->chain_pos;
+
+ jtag_set_end_state(TAP_DRPAUSE);
+ if((retval = arm_jtag_scann(jtag_info, 0xf)) != ERROR_OK)
+ {
+ return retval;
+ }
+ if((retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL)) != ERROR_OK)
+ {
+ return retval;
+ }
+
+ fields[0].tap = jtag_info->tap;
fields[0].num_bits = 1;
fields[0].out_value = &instruction_buf;
- fields[0].out_mask = NULL;
fields[0].in_value = NULL;
- fields[0].in_check_value = NULL;
- fields[0].in_check_mask = NULL;
- fields[0].in_handler = NULL;
- fields[0].in_handler_priv = NULL;
- fields[1].device = jtag_info->chain_pos;
+ fields[1].tap = jtag_info->tap;
fields[1].num_bits = 32;
fields[1].out_value = out_buf;
- fields[1].out_mask = NULL;
fields[1].in_value = NULL;
+
if (in)
{
- fields[1].in_handler = arm_jtag_buf_to_u32_flip;
- fields[1].in_handler_priv = in;
+ fields[1].in_value = (uint8_t *)in;
+ jtag_add_dr_scan(2, fields, jtag_get_end_state());
+ jtag_add_callback(arm7flip32, (uint8_t *)in);
} else
{
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
+ jtag_add_dr_scan(2, fields, jtag_get_end_state());
}
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
-
- jtag_add_dr_scan(2, fields, -1);
if (clock)
- jtag_add_runtest(0, -1);
+ jtag_add_runtest(0, jtag_get_end_state());
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
- jtag_execute_queue();
+ if((retval = jtag_execute_queue()) != ERROR_OK)
+ {
+ return retval;
+ }
if (in)
LOG_DEBUG("out: %8.8x, in: %8.8x, instruction: %i, clock: %i", out, *in, instruction, clock);
arm720t_scan_cp15(target, 0x0, NULL, 0, 1);
/* "EXECUTE" stage (3), CDATA is read */
arm720t_scan_cp15(target, ARMV4_5_NOP, value, 1, 1);
-
+
return ERROR_OK;
}
arm720t_read_cp15(target, 0xee120f10, &ttb);
jtag_execute_queue();
-
+
ttb &= 0xffffc000;
-
+
return ttb;
}
/* read cp15 control register */
arm720t_read_cp15(target, 0xee110f10, &cp15_control);
jtag_execute_queue();
-
+
if (mmu)
cp15_control &= ~0x1U;
-
+
if (d_u_cache || i_cache)
cp15_control &= ~0x4U;
/* read cp15 control register */
arm720t_read_cp15(target, 0xee110f10, &cp15_control);
jtag_execute_queue();
-
+
if (mmu)
cp15_control |= 0x1U;
-
+
if (d_u_cache || i_cache)
cp15_control |= 0x4U;
-
+
arm720t_write_cp15(target, 0xee010f10, cp15_control);
}
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
arm7tdmi_common_t *arm7tdmi = arm7_9->arch_info;
arm720t_common_t *arm720t = arm7tdmi->arch_info;
-
+
/* examine cp15 control reg */
arm720t_read_cp15(target, 0xee110f10, &arm720t->cp15_control_reg);
jtag_execute_queue();
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
arm7tdmi_common_t *arm7tdmi = arm7_9->arch_info;
arm720t_common_t *arm720t = arm7tdmi->arch_info;
-
+
/* restore i/d fault status and address register */
arm720t_write_cp15(target, 0xee050f10, arm720t->fsr_reg);
arm720t_write_cp15(target, 0xee060f10, arm720t->far_reg);
arm7_9_common_t *arm7_9;
arm7tdmi_common_t *arm7tdmi;
arm720t_common_t *arm720t;
-
+
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;
}
-
+
arm7tdmi = arm7_9->arch_info;
if (arm7tdmi->common_magic != ARM7TDMI_COMMON_MAGIC)
{
return -1;
}
-
+
arm720t = arm7tdmi->arch_info;
if (arm720t->common_magic != ARM720T_COMMON_MAGIC)
{
return -1;
}
-
+
*armv4_5_p = armv4_5;
*arm7_9_p = arm7_9;
*arm7tdmi_p = arm7tdmi;
*arm720t_p = arm720t;
-
+
return ERROR_OK;
}
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
arm7tdmi_common_t *arm7tdmi = arm7_9->arch_info;
arm720t_common_t *arm720t = arm7tdmi->arch_info;
-
- char *state[] =
+
+ char *state[] =
{
"disabled", "enabled"
};
-
+
if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC)
{
LOG_ERROR("BUG: called for a non-ARMv4/5 target");
exit(-1);
}
-
+
LOG_USER("target halted in %s state due to %s, current mode: %s\n"
"cpsr: 0x%8.8x pc: 0x%8.8x\n"
"MMU: %s, Cache: %s",
armv4_5_state_strings[armv4_5->core_state],
- target_debug_reason_strings[target->debug_reason],
+ Jim_Nvp_value2name_simple( nvp_target_debug_reason, target->debug_reason )->name ,
armv4_5_mode_strings[armv4_5_mode_to_number(armv4_5->core_mode)],
buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32),
buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32),
state[arm720t->armv4_5_mmu.mmu_enabled],
state[arm720t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled]);
-
+
return ERROR_OK;
}
-int arm720t_read_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
+int arm720t_read_memory(struct target_s *target, u32 address, u32 size, u32 count, uint8_t *buffer)
{
int retval;
armv4_5_common_t *armv4_5 = target->arch_info;
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
arm7tdmi_common_t *arm7tdmi = arm7_9->arch_info;
arm720t_common_t *arm720t = arm7tdmi->arch_info;
-
+
/* disable cache, but leave MMU enabled */
if (arm720t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled)
arm720t_disable_mmu_caches(target, 0, 1, 0);
-
+
retval = arm7_9_read_memory(target, address, size, count, buffer);
-
+
if (arm720t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled)
arm720t_enable_mmu_caches(target, 0, 1, 0);
-
+
return retval;
}
-int arm720t_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
+int arm720t_write_memory(struct target_s *target, u32 address, u32 size, u32 count, uint8_t *buffer)
{
int retval;
-
+
if ((retval = arm7_9_write_memory(target, address, size, count, buffer)) != ERROR_OK)
return retval;
int arm720t_soft_reset_halt(struct target_s *target)
{
+ int retval = ERROR_OK;
armv4_5_common_t *armv4_5 = target->arch_info;
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
arm7tdmi_common_t *arm7tdmi = arm7_9->arch_info;
arm720t_common_t *arm720t = arm7tdmi->arch_info;
reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
-
- target->type->halt(target);
-
- while (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1) == 0)
+
+ if ((retval = target_halt(target)) != ERROR_OK)
{
- embeddedice_read_reg(dbg_stat);
- jtag_execute_queue();
+ return retval;
}
-
+
+ long long then=timeval_ms();
+ int timeout;
+ while (!(timeout=((timeval_ms()-then)>1000)))
+ {
+ if (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1) == 0)
+ {
+ embeddedice_read_reg(dbg_stat);
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
+ {
+ return retval;
+ }
+ } else
+ {
+ break;
+ }
+ if (debug_level>=3)
+ {
+ alive_sleep(100);
+ } else
+ {
+ keep_alive();
+ }
+ }
+ if (timeout)
+ {
+ LOG_ERROR("Failed to halt CPU after 1 sec");
+ return ERROR_TARGET_TIMEOUT;
+ }
+
target->state = TARGET_HALTED;
-
+
/* SVC, ARM state, IRQ and FIQ disabled */
buf_set_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 8, 0xd3);
armv4_5->core_cache->reg_list[ARMV4_5_CPSR].dirty = 1;
armv4_5->core_cache->reg_list[ARMV4_5_CPSR].valid = 1;
-
+
/* start fetching from 0x0 */
buf_set_u32(armv4_5->core_cache->reg_list[15].value, 0, 32, 0x0);
armv4_5->core_cache->reg_list[15].dirty = 1;
armv4_5->core_cache->reg_list[15].valid = 1;
-
+
armv4_5->core_mode = ARMV4_5_MODE_SVC;
armv4_5->core_state = ARMV4_5_STATE_ARM;
-
+
arm720t_disable_mmu_caches(target, 1, 1, 1);
arm720t->armv4_5_mmu.mmu_enabled = 0;
arm720t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled = 0;
arm720t->armv4_5_mmu.armv4_5_cache.i_cache_enabled = 0;
- target_call_event_callbacks(target, TARGET_EVENT_HALTED);
-
+ if ((retval = target_call_event_callbacks(target, TARGET_EVENT_HALTED)) != ERROR_OK)
+ {
+ return retval;
+ }
+
return ERROR_OK;
}
int arm720t_init_target(struct command_context_s *cmd_ctx, struct target_s *target)
{
arm7tdmi_init_target(cmd_ctx, target);
-
+
return ERROR_OK;
-
}
-int arm720t_quit()
+int arm720t_quit(void)
{
-
return ERROR_OK;
}
-int arm720t_init_arch_info(target_t *target, arm720t_common_t *arm720t, int chain_pos, char *variant)
+int arm720t_init_arch_info(target_t *target, arm720t_common_t *arm720t, jtag_tap_t *tap)
{
arm7tdmi_common_t *arm7tdmi = &arm720t->arm7tdmi_common;
arm7_9_common_t *arm7_9 = &arm7tdmi->arm7_9_common;
-
- arm7tdmi_init_arch_info(target, arm7tdmi, chain_pos, variant);
+
+ arm7tdmi_init_arch_info(target, arm7tdmi, tap);
arm7tdmi->arch_info = arm720t;
arm720t->common_magic = ARM720T_COMMON_MAGIC;
-
+
arm7_9->post_debug_entry = arm720t_post_debug_entry;
arm7_9->pre_restore_context = arm720t_pre_restore_context;
-
+
arm720t->armv4_5_mmu.armv4_5_cache.ctype = -1;
arm720t->armv4_5_mmu.get_ttb = arm720t_get_ttb;
arm720t->armv4_5_mmu.read_memory = arm7_9_read_memory;
arm720t->armv4_5_mmu.enable_mmu_caches = arm720t_enable_mmu_caches;
arm720t->armv4_5_mmu.has_tiny_pages = 0;
arm720t->armv4_5_mmu.mmu_enabled = 0;
-
+
return ERROR_OK;
}
-int arm720t_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target)
+int arm720t_target_create(struct target_s *target, Jim_Interp *interp)
{
- int chain_pos;
- char *variant = NULL;
- arm720t_common_t *arm720t = malloc(sizeof(arm720t_common_t));
- memset(arm720t, 0, sizeof(*arm720t));
-
- if (argc < 4)
- {
- LOG_ERROR("'target arm720t' requires at least one additional argument");
- exit(-1);
- }
-
- chain_pos = strtoul(args[3], NULL, 0);
-
- if (argc >= 5)
- variant = args[4];
-
- LOG_DEBUG("chain_pos: %i, variant: %s", chain_pos, variant);
-
- arm720t_init_arch_info(target, arm720t, chain_pos, variant);
+ arm720t_common_t *arm720t = calloc(1,sizeof(arm720t_common_t));
+
+ arm720t_init_arch_info(target, arm720t, target->tap);
return ERROR_OK;
}
{
int retval;
command_t *arm720t_cmd;
-
-
+
+
retval = arm7tdmi_register_commands(cmd_ctx);
-
+
arm720t_cmd = register_command(cmd_ctx, NULL, "arm720t", NULL, COMMAND_ANY, "arm720t specific commands");
register_command(cmd_ctx, arm720t_cmd, "cp15", arm720t_handle_cp15_command, COMMAND_EXEC, "display/modify cp15 register <opcode> [value]");
register_command(cmd_ctx, arm720t_cmd, "mww_phys", arm720t_handle_mw_phys_command, COMMAND_EXEC, "write memory word <physical addr> <value>");
register_command(cmd_ctx, arm720t_cmd, "mwh_phys", arm720t_handle_mw_phys_command, COMMAND_EXEC, "write memory half-word <physical addr> <value>");
register_command(cmd_ctx, arm720t_cmd, "mwb_phys", arm720t_handle_mw_phys_command, COMMAND_EXEC, "write memory byte <physical addr> <value>");
-
+
return ERROR_OK;
}
command_print(cmd_ctx, "current target isn't an ARM720t target");
return ERROR_OK;
}
-
+
jtag_info = &arm7_9->jtag_info;
-
+
if (target->state != TARGET_HALTED)
{
command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd);
command_print(cmd_ctx, "couldn't access cp15 with opcode 0x%8.8x", opcode);
return ERROR_OK;
}
- jtag_execute_queue();
-
+
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
+ {
+ return retval;
+ }
+
command_print(cmd_ctx, "0x%8.8x: 0x%8.8x", opcode, value);
}
else if (argc == 2)
}
int arm720t_handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
-{
+{
target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
command_print(cmd_ctx, "current target isn't an ARM720t target");
return ERROR_OK;
}
-
+
jtag_info = &arm7_9->jtag_info;
-
+
if (target->state != TARGET_HALTED)
{
command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd);
return ERROR_OK;
}
-
+
return armv4_5_mmu_handle_virt2phys_command(cmd_ctx, cmd, args, argc, target, &arm720t->armv4_5_mmu);
}
int arm720t_handle_md_phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
-{
+{
target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
command_print(cmd_ctx, "current target isn't an ARM720t target");
return ERROR_OK;
}
-
+
jtag_info = &arm7_9->jtag_info;
-
+
if (target->state != TARGET_HALTED)
{
command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd);
return ERROR_OK;
}
-
+
return armv4_5_mmu_handle_md_phys_command(cmd_ctx, cmd, args, argc, target, &arm720t->armv4_5_mmu);
}
int arm720t_handle_mw_phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
-{
+{
target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
command_print(cmd_ctx, "current target isn't an ARM720t target");
return ERROR_OK;
}
-
+
jtag_info = &arm7_9->jtag_info;
-
+
if (target->state != TARGET_HALTED)
{
command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd);
return ERROR_OK;
}
-
+
return armv4_5_mmu_handle_mw_phys_command(cmd_ctx, cmd, args, argc, target, &arm720t->armv4_5_mmu);
}
-
projects / fw / openocd / blobdiff