* Copyright (C) 2008 by Spencer Oliver *
* spen@spen-soft.co.uk *
* *
+ * Copyright (C) 2008 by Hongtao Zheng *
+ * hontor@126.com *
+ * *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
#include "arm9tdmi.h"
-#include "arm7_9_common.h"
-#include "register.h"
-#include "target.h"
-#include "armv4_5.h"
-#include "embeddedice.h"
-#include "etm.h"
-#include "etb.h"
-#include "log.h"
-#include "jtag.h"
-#include "arm_jtag.h"
-
-#include <stdlib.h>
-#include <string.h>
#if 0
#define _DEBUG_INSTRUCTION_EXECUTION_
#endif
/* cli handling */
-int arm9tdmi_register_commands(struct command_context_s *cmd_ctx);
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_init_target(struct command_context_s *cmd_ctx, struct target_s *target);
int arm9tdmi_quit(void);
-
+
target_type_t arm9tdmi_target =
{
.name = "arm9tdmi",
.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,
/* 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;
-
+
/* only check the debug reason if we don't know it already */
if ((target->debug_reason != DBG_REASON_DBGRQ)
&& (target->debug_reason != DBG_REASON_SINGLESTEP))
u8 instructionbus[4];
u8 debug_reason;
- jtag_add_end_state(TAP_PD);
+ jtag_add_end_state(TAP_DRPAUSE);
- fields[0].device = arm7_9->jtag_info.chain_pos;
+ fields[0].tap = arm7_9->jtag_info.tap;
fields[0].num_bits = 32;
fields[0].out_value = NULL;
- fields[0].out_mask = NULL;
fields[0].in_value = databus;
- 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 = arm7_9->jtag_info.chain_pos;
+
+ fields[1].tap = arm7_9->jtag_info.tap;
fields[1].num_bits = 3;
fields[1].out_value = NULL;
- fields[1].out_mask = NULL;
fields[1].in_value = &debug_reason;
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
-
- fields[2].device = arm7_9->jtag_info.chain_pos;
+
+ fields[2].tap = arm7_9->jtag_info.tap;
fields[2].num_bits = 32;
fields[2].out_value = NULL;
- fields[2].out_mask = NULL;
fields[2].in_value = instructionbus;
- fields[2].in_check_value = NULL;
- fields[2].in_check_mask = NULL;
- fields[2].in_handler = NULL;
- fields[2].in_handler_priv = NULL;
-
- if((retval = arm_jtag_scann(&arm7_9->jtag_info, 0x1)) != ERROR_OK)
+
+ if ((retval = arm_jtag_scann(&arm7_9->jtag_info, 0x1)) != ERROR_OK)
{
return retval;
}
arm_jtag_set_instr(&arm7_9->jtag_info, arm7_9->jtag_info.intest_instr, NULL);
- jtag_add_dr_scan(3, fields, TAP_PD);
- if((retval = jtag_execute_queue()) != ERROR_OK)
+ jtag_add_dr_scan(3, fields, TAP_DRPAUSE);
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
{
return retval;
}
-
+
fields[0].in_value = NULL;
fields[0].out_value = databus;
fields[1].in_value = NULL;
fields[1].out_value = &debug_reason;
fields[2].in_value = NULL;
fields[2].out_value = instructionbus;
-
- jtag_add_dr_scan(3, fields, TAP_PD);
+
+ jtag_add_dr_scan(3, fields, TAP_DRPAUSE);
if (debug_reason & 0x4)
if (debug_reason & 0x2)
u8 out_buf[4];
u8 instr_buf[4];
u8 sysspeed_buf = 0x0;
-
+
/* prepare buffer */
buf_set_u32(out_buf, 0, 32, out);
-
+
buf_set_u32(instr_buf, 0, 32, flip_u32(instr, 32));
-
+
if (sysspeed)
buf_set_u32(&sysspeed_buf, 2, 1, 1);
-
- jtag_add_end_state(TAP_PD);
- if((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK)
+
+ jtag_add_end_state(TAP_DRPAUSE);
+ if ((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK)
{
return retval;
}
-
+
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
-
- fields[0].device = jtag_info->chain_pos;
+
+ fields[0].tap = jtag_info->tap;
fields[0].num_bits = 32;
fields[0].out_value = out_buf;
- fields[0].out_mask = NULL;
fields[0].in_value = NULL;
- if (in)
- {
- fields[0].in_handler = arm_jtag_buf_to_u32;
- fields[0].in_handler_priv = in;
- }
- else
- {
- fields[0].in_handler = NULL;
- fields[0].in_handler_priv = NULL;
- }
- fields[0].in_check_value = NULL;
- fields[0].in_check_mask = NULL;
-
- fields[1].device = jtag_info->chain_pos;
+
+ fields[1].tap = jtag_info->tap;
fields[1].num_bits = 3;
fields[1].out_value = &sysspeed_buf;
- fields[1].out_mask = NULL;
fields[1].in_value = NULL;
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
-
- fields[2].device = jtag_info->chain_pos;
+
+ fields[2].tap = jtag_info->tap;
fields[2].num_bits = 32;
fields[2].out_value = instr_buf;
- fields[2].out_mask = NULL;
fields[2].in_value = NULL;
- fields[2].in_check_value = NULL;
- fields[2].in_check_mask = NULL;
- fields[2].in_handler = NULL;
- fields[2].in_handler_priv = NULL;
- jtag_add_dr_scan(3, fields, -1);
+ if (in)
+ {
+ fields[0].in_value=(u8 *)in;
+ jtag_add_dr_scan(3, fields, TAP_INVALID);
+
+ jtag_add_callback(arm_le_to_h_u32, (u8 *)in);
+ }
+ else
+ {
+ jtag_add_dr_scan(3, fields, TAP_INVALID);
+ }
+
+ jtag_add_runtest(0, TAP_INVALID);
- jtag_add_runtest(0, -1);
-
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
{
- if((retval = jtag_execute_queue()) != ERROR_OK)
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
{
return retval;
}
-
+
if (in)
{
LOG_DEBUG("instr: 0x%8.8x, out: 0x%8.8x, in: 0x%8.8x", instr, out, *in);
int retval = ERROR_OK;;
scan_field_t fields[3];
- jtag_add_end_state(TAP_PD);
- if((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK)
+ jtag_add_end_state(TAP_DRPAUSE);
+ if ((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK)
{
return retval;
}
-
+
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
-
- fields[0].device = jtag_info->chain_pos;
+
+ fields[0].tap = jtag_info->tap;
fields[0].num_bits = 32;
fields[0].out_value = NULL;
- fields[0].out_mask = NULL;
- fields[0].in_value = NULL;
- fields[0].in_handler = arm_jtag_buf_to_u32;
- fields[0].in_handler_priv = in;
- fields[0].in_check_value = NULL;
- fields[0].in_check_mask = NULL;
-
- fields[1].device = jtag_info->chain_pos;
+ fields[0].in_value = (u8 *)in;
+
+ fields[1].tap = jtag_info->tap;
fields[1].num_bits = 3;
fields[1].out_value = NULL;
- fields[1].out_mask = NULL;
fields[1].in_value = NULL;
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
- fields[2].device = jtag_info->chain_pos;
+ fields[2].tap = jtag_info->tap;
fields[2].num_bits = 32;
fields[2].out_value = NULL;
- fields[2].out_mask = NULL;
fields[2].in_value = NULL;
- fields[2].in_check_value = NULL;
- fields[2].in_check_mask = NULL;
- fields[2].in_handler = NULL;
- fields[2].in_handler_priv = NULL;
-
- jtag_add_dr_scan(3, fields, -1);
-
- jtag_add_runtest(0, -1);
-
+
+ jtag_add_dr_scan(3, fields, TAP_INVALID);
+
+ jtag_add_callback(arm_le_to_h_u32, (u8 *)in);
+
+ jtag_add_runtest(0, TAP_INVALID);
+
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
{
- if((retval = jtag_execute_queue()) != ERROR_OK)
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
{
return retval;
}
-
+
if (in)
{
LOG_DEBUG("in: 0x%8.8x", *in);
return ERROR_OK;
}
+extern void arm_endianness(u8 *tmp, void *in, int size, int be, int flip);
+
+static int arm9endianness(u8 *in, jtag_callback_data_t size, jtag_callback_data_t be)
+{
+ arm_endianness(in, in, (int)size, (int)be, 0);
+ return ERROR_OK;
+}
+
/* clock the target, and read the databus
* the *in pointer points to a buffer where elements of 'size' bytes
* are stored in big (be==1) or little (be==0) endianness
{
int retval = ERROR_OK;
scan_field_t fields[3];
-
- jtag_add_end_state(TAP_PD);
- if((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK)
+
+ jtag_add_end_state(TAP_DRPAUSE);
+ if ((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK)
{
return retval;
}
-
+
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
-
- fields[0].device = jtag_info->chain_pos;
+
+ fields[0].tap = jtag_info->tap;
fields[0].num_bits = 32;
fields[0].out_value = NULL;
- fields[0].out_mask = NULL;
- fields[0].in_value = NULL;
- switch (size)
- {
- case 4:
- fields[0].in_handler = (be) ? arm_jtag_buf_to_be32 : arm_jtag_buf_to_le32;
- break;
- case 2:
- fields[0].in_handler = (be) ? arm_jtag_buf_to_be16 : arm_jtag_buf_to_le16;
- break;
- case 1:
- fields[0].in_handler = arm_jtag_buf_to_8;
- break;
- }
- fields[0].in_handler_priv = in;
- fields[0].in_check_value = NULL;
- fields[0].in_check_mask = NULL;
-
- fields[1].device = jtag_info->chain_pos;
+ fields[0].in_value = (u8 *)in;
+
+ fields[1].tap = jtag_info->tap;
fields[1].num_bits = 3;
fields[1].out_value = NULL;
- fields[1].out_mask = NULL;
fields[1].in_value = NULL;
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
- fields[2].device = jtag_info->chain_pos;
+ fields[2].tap = jtag_info->tap;
fields[2].num_bits = 32;
fields[2].out_value = NULL;
- fields[2].out_mask = NULL;
fields[2].in_value = NULL;
- fields[2].in_check_value = NULL;
- fields[2].in_check_mask = NULL;
- fields[2].in_handler = NULL;
- fields[2].in_handler_priv = NULL;
-
- jtag_add_dr_scan(3, fields, -1);
-
- jtag_add_runtest(0, -1);
-
+
+ jtag_add_dr_scan(3, fields, TAP_INVALID);
+
+ jtag_add_callback3(arm9endianness, in, (jtag_callback_data_t)size, (jtag_callback_data_t)be);
+
+ jtag_add_runtest(0, TAP_INVALID);
+
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
{
- if((retval = jtag_execute_queue()) != ERROR_OK)
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
{
return retval;
}
-
+
if (in)
{
LOG_DEBUG("in: 0x%8.8x", *(u32*)in);
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;
-
- /* save r0 before using it and put system in ARM state
+
+ /* save r0 before using it and put system in ARM state
* to allow common handling of ARM and THUMB debugging */
-
+
/* fetch STR r0, [r0] */
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_STR(0, 0), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0);
/* STR r0, [r0] in Memory */
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, r0, 0);
- /* MOV r0, r15 fetched, STR in Decode */
+ /* MOV r0, r15 fetched, STR in Decode */
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_MOV(0, 15), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_STR(0, 0), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0);
/* NOP fetched, BX in Execute (1) */
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0);
-
- if((retval = jtag_execute_queue()) != ERROR_OK)
+
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
{
return;
}
-
+
/* fix program counter:
* MOV r0, r15 was the 5th instruction (+8)
* reading PC in Thumb state gives address of instruction + 4
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;
-
+
/* STMIA r0-15, [r0] at debug speed
* register values will start to appear on 4th DCLK
*/
/* nothing fetched, STM in MEMORY (i'th cycle) */
arm9tdmi_clock_data_in(jtag_info, core_regs[i]);
}
-
}
void arm9tdmi_read_core_regs_target_buffer(target_t *target, u32 mask, void* buffer, int size)
u32 *buf_u32 = buffer;
u16 *buf_u16 = buffer;
u8 *buf_u8 = buffer;
-
+
/* STMIA r0-15, [r0] at debug speed
* register values will start to appear on 4th DCLK
*/
break;
}
}
-
}
void arm9tdmi_read_xpsr(target_t *target, u32 *xpsr, int spsr)
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;
-
+
/* MRS r0, cpsr */
arm9tdmi_clock_out(jtag_info, ARMV4_5_MRS(0, spsr & 1), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
/* nothing fetched, STR in MEMORY */
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, xpsr, 0);
-
}
void arm9tdmi_write_xpsr(target_t *target, u32 xpsr, int spsr)
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;
-
+
LOG_DEBUG("xpsr: %8.8x, spsr: %i", xpsr, spsr);
/* MSR1 fetched */
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;
-
+
LOG_DEBUG("xpsr_im: %2.2x, rot: %i, spsr: %i", xpsr_im, rot, spsr);
-
+
/* MSR fetched */
arm9tdmi_clock_out(jtag_info, ARMV4_5_MSR_IM(xpsr_im, rot, 1, spsr), 0, NULL, 0);
/* NOP fetched, MSR in DECODE */
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
/* NOP fetched, MSR in EXECUTE (1) */
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
-
+
/* rot == 4 writes flags, which takes only one cycle */
if (rot != 4)
{
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;
-
+
/* LDMIA r0-15, [r0] at debug speed
* register values will start to appear on 4th DCLK
*/
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, core_regs[i], NULL, 0);
}
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
-
}
void arm9tdmi_load_word_regs(target_t *target, u32 mask)
/* put system-speed load-multiple into the pipeline */
arm9tdmi_clock_out(jtag_info, ARMV4_5_LDMIA(0, mask & 0xffff, 0, 1), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
-
}
void arm9tdmi_load_hword_reg(target_t *target, int num)
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;
-
+
/* put system-speed load half-word into the pipeline */
arm9tdmi_clock_out(jtag_info, ARMV4_5_LDRH_IP(num, 0), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
/* put system-speed load byte into the pipeline */
arm9tdmi_clock_out(jtag_info, ARMV4_5_LDRB_IP(num, 0), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
-
}
void arm9tdmi_store_word_regs(target_t *target, u32 mask)
/* put system-speed store-multiple into the pipeline */
arm9tdmi_clock_out(jtag_info, ARMV4_5_STMIA(0, mask, 0, 1), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
-
}
void arm9tdmi_store_hword_reg(target_t *target, int num)
/* put system-speed store half-word into the pipeline */
arm9tdmi_clock_out(jtag_info, ARMV4_5_STRH_IP(num, 0), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
-
}
void arm9tdmi_store_byte_reg(target_t *target, int num)
/* put system-speed store byte into the pipeline */
arm9tdmi_clock_out(jtag_info, ARMV4_5_STRB_IP(num, 0), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
-
}
void arm9tdmi_write_pc(target_t *target, u32 pc)
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;
-
+
/* LDMIA r0-15, [r0] at debug speed
* register values will start to appear on 4th DCLK
*/
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
/* fetch NOP, LDM in EXECUTE stage (5th cycle) */
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
-
}
void arm9tdmi_branch_resume(target_t *target)
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;
-
+
arm9tdmi_clock_out(jtag_info, ARMV4_5_B(0xfffffc, 0), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
-
}
void arm9tdmi_branch_resume_thumb(target_t *target)
{
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;
/* Branch and eXchange */
arm9tdmi_clock_out(jtag_info, ARMV4_5_BX(0), 0, NULL, 0);
-
+
embeddedice_read_reg(dbg_stat);
-
+
/* fetch NOP, BX in DECODE stage */
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
-
+
embeddedice_read_reg(dbg_stat);
-
+
/* fetch NOP, BX in EXECUTE stage (1st cycle) */
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, buf_get_u32(armv4_5->core_cache->reg_list[0].value, 0, 32), NULL, 0);
/* nothing fetched, LDR in EXECUTE stage (3rd cycle) */
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0);
-
+
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0);
embeddedice_read_reg(dbg_stat);
-
+
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_B(0x7f7), 0, NULL, 1);
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0);
-
}
-void arm9tdmi_enable_single_step(target_t *target)
+void arm9tdmi_enable_single_step(target_t *target, u32 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;
-
+
if (arm7_9->has_single_step)
{
buf_set_u32(arm7_9->eice_cache->reg_list[EICE_DBG_CTRL].value, 3, 1, 1);
}
else
{
- arm7_9_enable_eice_step(target);
+ arm7_9_enable_eice_step(target, 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;
-
+
if (arm7_9->has_single_step)
{
buf_set_u32(arm7_9->eice_cache->reg_list[EICE_DBG_CTRL].value, 3, 1, 0);
armv4_5->core_cache = (*cache_p);
}
-
int arm9tdmi_examine(struct target_s *target)
{
/* get pointers to arch-specific information */
return ERROR_FAIL;
(*cache_p) = t;
arm7_9->eice_cache = (*cache_p);
-
+
if (arm7_9->etm_ctx)
{
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
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;
}
-int arm9tdmi_init_arch_info(target_t *target, arm9tdmi_common_t *arm9tdmi, int chain_pos, const char *variant)
+int arm9tdmi_init_arch_info(target_t *target, arm9tdmi_common_t *arm9tdmi, jtag_tap_t *tap)
{
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
-
+
arm7_9 = &arm9tdmi->arm7_9_common;
armv4_5 = &arm7_9->armv4_5_common;
-
+
/* prepare JTAG information for the new target */
- arm7_9->jtag_info.chain_pos = chain_pos;
+ arm7_9->jtag_info.tap = tap;
arm7_9->jtag_info.scann_size = 5;
-
+
/* register arch-specific functions */
arm7_9->examine_debug_reason = arm9tdmi_examine_debug_reason;
arm7_9->change_to_arm = arm9tdmi_change_to_arm;
arm7_9->read_core_regs = arm9tdmi_read_core_regs;
arm7_9->read_core_regs_target_buffer = arm9tdmi_read_core_regs_target_buffer;
arm7_9->read_xpsr = arm9tdmi_read_xpsr;
-
+
arm7_9->write_xpsr = arm9tdmi_write_xpsr;
arm7_9->write_xpsr_im8 = arm9tdmi_write_xpsr_im8;
arm7_9->write_core_regs = arm9tdmi_write_core_regs;
-
+
arm7_9->load_word_regs = arm9tdmi_load_word_regs;
arm7_9->load_hword_reg = arm9tdmi_load_hword_reg;
arm7_9->load_byte_reg = arm9tdmi_load_byte_reg;
-
+
arm7_9->store_word_regs = arm9tdmi_store_word_regs;
arm7_9->store_hword_reg = arm9tdmi_store_hword_reg;
arm7_9->store_byte_reg = arm9tdmi_store_byte_reg;
-
+
arm7_9->write_pc = arm9tdmi_write_pc;
arm7_9->branch_resume = arm9tdmi_branch_resume;
arm7_9->branch_resume_thumb = arm9tdmi_branch_resume_thumb;
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->post_restore_context = NULL;
/* initialize arch-specific breakpoint handling */
arm7_9->arm_bkpt = 0xdeeedeee;
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;
- if (variant)
- {
- arm9tdmi->variant = strdup(variant);
- }
- else
- {
- arm9tdmi->variant = strdup("");
- }
-
arm7_9_init_arch_info(target, arm7_9);
/* override use of DBGRQ, this is safe on ARM9TDMI */
/* all ARM9s have the vector catch register */
arm7_9->has_vector_catch = 1;
-
+
return ERROR_OK;
}
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;
}
-
-
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->chain_position, target->variant);
-
+ arm9tdmi_init_arch_info(target, arm9tdmi, target->tap);
+
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;
+ return retval;
}
int handle_arm9tdmi_catch_vectors_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
reg_t *vector_catch;
u32 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 ARM9TDMI based target");
return ERROR_OK;
}
-
+
vector_catch = &arm7_9->eice_cache->reg_list[EICE_VEC_CATCH];
-
+
/* read the vector catch register if necessary */
if (!vector_catch->valid)
embeddedice_read_reg(vector_catch);
-
+
/* get the current setting */
vector_catch_value = buf_get_u32(vector_catch->value, 0, 32);
-
+
if (argc > 0)
{
vector_catch_value = 0x0;
for (i = 0; i < argc; i++)
{
/* go through list of vectors */
- for(j = 0; arm9tdmi_vectors[j].name; j++)
+ for (j = 0; arm9tdmi_vectors[j].name; j++)
{
if (strcmp(args[i], arm9tdmi_vectors[j].name) == 0)
{
break;
}
}
-
+
/* complain if vector wasn't found */
if (!arm9tdmi_vectors[j].name)
{
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);
-
+
break;
}
}
}
-
+
/* store new settings */
buf_set_u32(vector_catch->value, 0, 32, vector_catch_value);
embeddedice_store_reg(vector_catch);
}
-
+
/* output current settings (skip RESERVED vector) */
for (i = 0; i < 8; i++)
{
{
command_print(cmd_ctx, "%s: %s", arm9tdmi_vectors[i].name,
(vector_catch_value & (1 << i)) ? "catch" : "don't catch");
- }
+ }
}
return ERROR_OK;