* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008 Øyvind Harboe *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2008 by Spencer Oliver *
LOG_DEBUG("-");
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_VALUE], 0x0);
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_VALUE], 0x0);
+ arm7_9->sw_breakpoint_count = 0;
arm7_9->sw_breakpoints_added = 0;
arm7_9->wp0_used = 0;
arm7_9->wp1_used = arm7_9->wp1_used_default;
{
LOG_ERROR("BUG: no hardware comparator available");
}
- LOG_DEBUG("BPID: %d (0x%08" PRIx32 ") using hw wp: %d",
+ LOG_DEBUG("BPID: %d (0x%08" PRIx32 ") using hw wp: %d",
breakpoint->unique_id,
breakpoint->address,
breakpoint->set );
LOG_ERROR("BUG: both watchpoints used, but wp_available >= 1");
return ERROR_FAIL;
}
- LOG_DEBUG("SW BP using hw wp: %d",
+ LOG_DEBUG("SW BP using hw wp: %d",
arm7_9->sw_breakpoints_added );
return jtag_execute_queue();
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
int retval = ERROR_OK;
- LOG_DEBUG("BPID: %d, Address: 0x%08" PRIx32,
+ LOG_DEBUG("BPID: %d, Address: 0x%08" PRIx32 ", Type: %d" ,
breakpoint->unique_id,
- breakpoint->address );
+ breakpoint->address,
+ breakpoint->type);
if (target->state != TARGET_HALTED)
{
}
else if (breakpoint->type == BKPT_SOFT)
{
- if ((retval = arm7_9_set_software_breakpoints(arm7_9)) != ERROR_OK)
- return retval;
-
/* did we already set this breakpoint? */
if (breakpoint->set)
return ERROR_OK;
return ERROR_OK;
}
}
+
+ if ((retval = arm7_9_set_software_breakpoints(arm7_9)) != ERROR_OK)
+ return retval;
+
+ arm7_9->sw_breakpoint_count++;
+
breakpoint->set = 1;
}
if (breakpoint->type == BKPT_HARD)
{
- LOG_DEBUG("BPID: %d Releasing hw wp: %d",
+ LOG_DEBUG("BPID: %d Releasing hw wp: %d",
breakpoint->unique_id,
breakpoint->set );
if (breakpoint->set == 1)
return retval;
}
}
+
+ if (--arm7_9->sw_breakpoint_count==0)
+ {
+ /* We have removed the last sw breakpoint, clear the hw breakpoint we used to implement it */
+ if (arm7_9->sw_breakpoints_added == 1)
+ {
+ embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_VALUE], 0);
+ }
+ else if (arm7_9->sw_breakpoints_added == 2)
+ {
+ embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_VALUE], 0);
+ }
+ }
+
breakpoint->set = 0;
}
return ERROR_FAIL;
}
+ /* at this point trst has been asserted/deasserted once. We want to
+ * program embedded ice while SRST is asserted, but some CPUs gate
+ * the JTAG clock while SRST is asserted
+ */
+ bool srst_asserted = false;
+ if (((jtag_reset_config & RESET_SRST_PULLS_TRST) == 0) && ((jtag_reset_config & RESET_SRST_GATES_JTAG) == 0))
+ {
+ jtag_add_reset(0, 1);
+ srst_asserted = true;
+ }
+
if (target->reset_halt)
{
/*
{
/* program vector catch register to catch reset vector */
embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_VEC_CATCH], 0x1);
+
+ /* extra runtest added as issues were found with certain ARM9 cores (maybe more) - AT91SAM9260 and STR9 */
+ jtag_add_runtest(1, jtag_get_end_state());
}
else
{
if (jtag_reset_config & RESET_SRST_PULLS_TRST)
{
jtag_add_reset(1, 1);
- } else
+ } else if (!srst_asserted)
{
jtag_add_reset(0, 1);
}
int i;
int retval;
+ /* FIX!!! replace some of this code with tcl commands
+ *
+ * halt # the halt command is synchronous
+ * armv4_5 core_state arm
+ *
+ */
+
if ((retval = target_halt(target)) != ERROR_OK)
return retval;
context[15] -= 3 * 4;
}
- if ((target->debug_reason == DBG_REASON_BREAKPOINT)
- || (target->debug_reason == DBG_REASON_SINGLESTEP)
- || (target->debug_reason == DBG_REASON_WATCHPOINT)
- || (target->debug_reason == DBG_REASON_WPTANDBKPT)
- || ((target->debug_reason == DBG_REASON_DBGRQ) && (arm7_9->use_dbgrq == 0)))
+ if ((target->debug_reason != DBG_REASON_DBGRQ) || (!arm7_9->use_dbgrq))
context[15] -= 3 * ((armv4_5->core_state == ARMV4_5_STATE_ARM) ? 4 : 2);
- else if (target->debug_reason == DBG_REASON_DBGRQ)
- context[15] -= arm7_9->dbgreq_adjust_pc * ((armv4_5->core_state == ARMV4_5_STATE_ARM) ? 4 : 2);
else
- {
- LOG_ERROR("unknown debug reason: %i", target->debug_reason);
- }
+ context[15] -= arm7_9->dbgreq_adjust_pc * ((armv4_5->core_state == ARMV4_5_STATE_ARM) ? 4 : 2);
if (armv4_5_mode_to_number(armv4_5->core_mode)==-1)
return ERROR_FAIL;
{
uint32_t current_opcode;
target_read_u32(target, current_pc, ¤t_opcode);
- LOG_ERROR("BUG: couldn't calculate PC of next instruction, current opcode was 0x%8.8" PRIx32 "", current_opcode);
+ LOG_ERROR("Couldn't calculate PC of next instruction, current opcode was 0x%8.8" PRIx32 "", current_opcode);
return retval;
}
{
uint32_t current_opcode;
target_read_u32(target, current_pc, ¤t_opcode);
- LOG_ERROR("BUG: couldn't calculate PC of next instruction, current opcode was 0x%8.8" PRIx32 "", current_opcode);
+ LOG_ERROR("Couldn't calculate PC of next instruction, current opcode was 0x%8.8" PRIx32 "", current_opcode);
return retval;
}
static const uint32_t dcc_code[] =
{
- /* MRC TST BNE MRC STR B */
- 0xee101e10, 0xe3110001, 0x0afffffc, 0xee111e10, 0xe4801004, 0xeafffff9
+ /* r0 == input, points to memory buffer
+ * r1 == scratch
+ */
+
+ /* spin until DCC control (c0) reports data arrived */
+ 0xee101e10, /* w: mrc p14, #0, r1, c0, c0 */
+ 0xe3110001, /* tst r1, #1 */
+ 0x0afffffc, /* bne w */
+
+ /* read word from DCC (c1), write to memory */
+ 0xee111e10, /* mrc p14, #0, r1, c1, c0 */
+ 0xe4801004, /* str r1, [r0], #4 */
+
+ /* repeat */
+ 0xeafffff9 /* b w */
};
int armv4_5_run_algorithm_inner(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_params, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info, int (*run_it)(struct target_s *target, uint32_t exit_point, int timeout_ms, void *arch_info));
reg_param_t reg_params[2];
int retval;
- uint32_t arm7_9_crc_code[] = {
+ static const uint32_t arm7_9_crc_code[] = {
0xE1A02000, /* mov r2, r0 */
0xE3E00000, /* mov r0, #0xffffffff */
0xE1A03001, /* mov r3, r1 */
int retval;
uint32_t i;
- uint32_t erase_check_code[] =
+ static const uint32_t erase_check_code[] =
{
- /* loop: */
- 0xe4d03001, /* ldrb r3, [r0], #1 */
- 0xe0022003, /* and r2, r2, r3 */
- 0xe2511001, /* subs r1, r1, #1 */
- 0x1afffffb, /* bne loop */
- /* end: */
- 0xeafffffe /* b end */
+ /* loop: */
+ 0xe4d03001, /* ldrb r3, [r0], #1 */
+ 0xe0022003, /* and r2, r2, r3 */
+ 0xe2511001, /* subs r1, r1, #1 */
+ 0x1afffffb, /* bne loop */
+ /* end: */
+ 0xeafffffe /* b end */
};
/* make sure we have a working area */
arm7_9->wp_available = 0; /* this is set up in arm7_9_clear_watchpoints() */
arm7_9->wp_available_max = 2;
arm7_9->sw_breakpoints_added = 0;
+ arm7_9->sw_breakpoint_count = 0;
arm7_9->breakpoint_count = 0;
arm7_9->wp0_used = 0;
arm7_9->wp1_used = 0;
projects / fw / openocd / blobdiff