* 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 *
int arm7_9_debug_entry(target_t *target);
-int arm7_9_enable_sw_bkpts(struct target_s *target);
-
-/* command handler forward declarations */
-int handle_arm7_9_write_xpsr_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_arm7_9_write_xpsr_im8_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_arm7_9_read_core_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_arm7_9_write_core_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_arm7_9_dbgrq_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_arm7_9_fast_memory_access_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_arm7_9_dcc_downloads_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_arm7_9_etm_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
/**
* Clear watchpoints for an ARM7/9 target.
*/
static int arm7_9_clear_watchpoints(arm7_9_common_t *arm7_9)
{
+ 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",
+ 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",
+ arm7_9->sw_breakpoints_added );
return jtag_execute_queue();
}
*/
int arm7_9_setup(target_t *target)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
return arm7_9_clear_watchpoints(arm7_9);
}
*/
int arm7_9_get_arch_pointers(target_t *target, armv4_5_common_t **armv4_5_p, arm7_9_common_t **arm7_9_p)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
+ /* FIXME stop using this routine; just target_to_arm7_9() and
+ * verify the resulting pointer using a replacement routine
+ * that emits a usage message.
+ */
if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC)
- {
- return -1;
- }
+ return ERROR_TARGET_INVALID;
if (arm7_9->common_magic != ARM7_9_COMMON_MAGIC)
- {
- return -1;
- }
+ return ERROR_TARGET_INVALID;
*armv4_5_p = armv4_5;
*arm7_9_p = arm7_9;
*/
int arm7_9_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
int retval = ERROR_OK;
+ LOG_DEBUG("BPID: %d, Address: 0x%08" PRIx32 ", Type: %d" ,
+ breakpoint->unique_id,
+ breakpoint->address,
+ breakpoint->type);
+
if (target->state != TARGET_HALTED)
{
LOG_WARNING("target not 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;
}
int arm7_9_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
{
int retval = ERROR_OK;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ LOG_DEBUG("BPID: %d, Address: 0x%08" PRIx32,
+ breakpoint->unique_id,
+ breakpoint->address );
if (!breakpoint->set)
{
if (breakpoint->type == BKPT_HARD)
{
+ LOG_DEBUG("BPID: %d Releasing hw wp: %d",
+ breakpoint->unique_id,
+ breakpoint->set );
if (breakpoint->set == 1)
{
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_VALUE], 0x0);
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;
}
*/
int arm7_9_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
if (target->state != TARGET_HALTED)
{
int arm7_9_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
{
int retval = ERROR_OK;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
if ((retval = arm7_9_unset_breakpoint(target, breakpoint)) != ERROR_OK)
{
int arm7_9_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint)
{
int retval = ERROR_OK;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
int rw_mask = 1;
uint32_t mask;
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_ADDR_VALUE], watchpoint->address);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_ADDR_MASK], mask);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_DATA_MASK], watchpoint->mask);
- if (watchpoint->mask != 0xffffffffu )
+ if (watchpoint->mask != 0xffffffffu)
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_DATA_VALUE], watchpoint->value);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_MASK], 0xff & ~EICE_W_CTRL_nOPC & ~rw_mask);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W0_CONTROL_VALUE], EICE_W_CTRL_ENABLE | EICE_W_CTRL_nOPC | (watchpoint->rw & 1));
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_ADDR_VALUE], watchpoint->address);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_ADDR_MASK], mask);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_DATA_MASK], watchpoint->mask);
- if (watchpoint->mask != 0xffffffffu )
+ if (watchpoint->mask != 0xffffffffu)
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_DATA_VALUE], watchpoint->value);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_MASK], 0xff & ~EICE_W_CTRL_nOPC & ~rw_mask);
embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_W1_CONTROL_VALUE], EICE_W_CTRL_ENABLE | EICE_W_CTRL_nOPC | (watchpoint->rw & 1));
int arm7_9_unset_watchpoint(struct target_s *target, watchpoint_t *watchpoint)
{
int retval = ERROR_OK;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
if (target->state != TARGET_HALTED)
{
*/
int arm7_9_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
if (target->state != TARGET_HALTED)
{
int arm7_9_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint)
{
int retval = ERROR_OK;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
if (watchpoint->set)
{
int arm7_9_execute_sys_speed(struct target_s *target)
{
int retval;
-
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
static int set = 0;
static uint8_t check_value[4], check_mask[4];
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
*/
int arm7_9_target_request_data(target_t *target, uint32_t size, uint8_t *buffer)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
uint32_t *data;
int retval = ERROR_OK;
target_t *target = priv;
if (!target_was_examined(target))
return ERROR_OK;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
reg_t *dcc_control = &arm7_9->eice_cache->reg_list[EICE_COMMS_CTRL];
int arm7_9_poll(target_t *target)
{
int retval;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
/* read debug status register */
/* LOG_DEBUG("DBGACK set, dbg_state->value: 0x%x", buf_get_u32(dbg_stat->value, 0, 32));*/
if (target->state == TARGET_UNKNOWN)
{
+ /* Starting OpenOCD with target in debug-halt */
target->state = TARGET_RUNNING;
- LOG_WARNING("DBGACK set while target was in unknown state. Reset or initialize target.");
+ LOG_DEBUG("DBGACK already set during server startup.");
}
if ((target->state == TARGET_RUNNING) || (target->state == TARGET_RESET))
{
*/
int arm7_9_assert_reset(target_t *target)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+
LOG_DEBUG("target->state: %s",
- Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
+ target_state_name(target));
enum reset_types jtag_reset_config = jtag_get_reset_config();
if (!(jtag_reset_config & RESET_HAS_SRST))
return ERROR_FAIL;
}
+ /* At this point trst has been asserted/deasserted once. We would
+ * like to program EmbeddedICE while SRST is asserted, instead of
+ * depending on SRST to leave that module alone. However, many CPUs
+ * gate the JTAG clock while SRST is asserted; or JTAG may need
+ * clock stability guarantees (adaptive clocking might help).
+ *
+ * So we assume JTAG access during SRST is off the menu unless it's
+ * been specifically enabled.
+ */
+ bool srst_asserted = false;
+
+ if (((jtag_reset_config & RESET_SRST_PULLS_TRST) == 0)
+ && (jtag_reset_config & RESET_SRST_NO_GATING))
+ {
+ 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 retval = ERROR_OK;
LOG_DEBUG("target->state: %s",
- Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
+ target_state_name(target));
/* deassert reset lines */
jtag_add_reset(0, 0);
*/
int arm7_9_clear_halt(target_t *target)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
/* we used DBGRQ only if we didn't come out of reset */
*/
int arm7_9_soft_reset_halt(struct target_s *target)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
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;
return ERROR_OK;
}
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
LOG_DEBUG("target->state: %s",
- Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
+ target_state_name(target));
if (target->state == TARGET_HALTED)
{
uint32_t r0_thumb, pc_thumb;
uint32_t cpsr;
int retval;
- /* 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;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
LOG_DEBUG("-");
#endif
- if (arm7_9->pre_debug_entry)
- arm7_9->pre_debug_entry(target);
-
/* program EmbeddedICE Debug Control Register to assert DBGACK and INTDIS
* ensure that DBGRQ is cleared
*/
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;
{
int i;
int retval;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
LOG_DEBUG("-");
*/
int arm7_9_restore_context(target_t *target)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
reg_t *reg;
armv4_5_core_reg_t *reg_arch_info;
enum armv4_5_mode current_mode = armv4_5->core_mode;
*/
int arm7_9_restart_core(struct target_s *target)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
/* set RESTART instruction */
int arm7_9_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
breakpoint_t *breakpoint = target->breakpoints;
reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
int err, retval = ERROR_OK;
{
if ((breakpoint = breakpoint_find(target, buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32))))
{
- LOG_DEBUG("unset breakpoint at 0x%8.8" PRIx32 "", breakpoint->address);
+ LOG_DEBUG("unset breakpoint at 0x%8.8" PRIx32 " (id: %d)", breakpoint->address, breakpoint->unique_id );
if ((retval = arm7_9_unset_breakpoint(target, breakpoint)) != ERROR_OK)
{
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;
}
void arm7_9_enable_eice_step(target_t *target, uint32_t next_pc)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
-
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
uint32_t current_pc;
current_pc = buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32);
void arm7_9_disable_eice_step(target_t *target)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
embeddedice_store_reg(&arm7_9->eice_cache->reg_list[EICE_W0_ADDR_MASK]);
embeddedice_store_reg(&arm7_9->eice_cache->reg_list[EICE_W0_DATA_MASK]);
int arm7_9_step(struct target_s *target, int current, uint32_t address, int handle_breakpoints)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
breakpoint_t *breakpoint = NULL;
int err, 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;
}
uint32_t* reg_p[16];
uint32_t value;
int retval;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
if (armv4_5_mode_to_number(armv4_5->core_mode)==-1)
return ERROR_FAIL;
int arm7_9_write_core_reg(struct target_s *target, int num, enum armv4_5_mode mode, uint32_t value)
{
uint32_t reg[16];
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
if (armv4_5_mode_to_number(armv4_5->core_mode)==-1)
return ERROR_FAIL;
int arm7_9_read_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
-
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
uint32_t reg[16];
uint32_t num_accesses = 0;
int thisrun_accesses;
int arm7_9_write_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
uint32_t reg[16];
static int arm7_9_dcc_completion(struct target_s *target, uint32_t exit_point, int timeout_ms, void *arch_info)
{
int retval = ERROR_OK;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
if ((retval = target_wait_state(target, TARGET_DEBUG_RUNNING, 500)) != ERROR_OK)
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));
int arm7_9_bulk_write_memory(target_t *target, uint32_t address, uint32_t 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;
+ struct arm7_9_common_s *arm7_9 = target_to_arm7_9(target);
int i;
if (!arm7_9->dcc_downloads)
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 */
buf_set_u32(reg_params[0].value, 0, 32, address);
buf_set_u32(reg_params[1].value, 0, 32, count);
+ /* 20 second timeout/megabyte */
+ int timeout = 20000 * (1 + (count / (1024*1024)));
+
if ((retval = target_run_algorithm(target, 0, NULL, 2, reg_params,
- crc_algorithm->address, crc_algorithm->address + (sizeof(arm7_9_crc_code) - 8), 20000, &armv4_5_info)) != ERROR_OK)
+ crc_algorithm->address, crc_algorithm->address + (sizeof(arm7_9_crc_code) - 8), timeout, &armv4_5_info)) != ERROR_OK)
{
LOG_ERROR("error executing arm7_9 crc algorithm");
destroy_reg_param(®_params[0]);
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 */
return ERROR_OK;
}
-int arm7_9_register_commands(struct command_context_s *cmd_ctx)
-{
- command_t *arm7_9_cmd;
-
- arm7_9_cmd = register_command(cmd_ctx, NULL, "arm7_9", NULL, COMMAND_ANY, "arm7/9 specific commands");
-
- register_command(cmd_ctx, arm7_9_cmd, "write_xpsr", handle_arm7_9_write_xpsr_command, COMMAND_EXEC, "write program status register <value> <not cpsr | spsr>");
- register_command(cmd_ctx, arm7_9_cmd, "write_xpsr_im8", handle_arm7_9_write_xpsr_im8_command, COMMAND_EXEC, "write program status register <8bit immediate> <rotate> <not cpsr | spsr>");
-
- register_command(cmd_ctx, arm7_9_cmd, "write_core_reg", handle_arm7_9_write_core_reg_command, COMMAND_EXEC, "write core register <num> <mode> <value>");
-
- register_command(cmd_ctx, arm7_9_cmd, "dbgrq", handle_arm7_9_dbgrq_command,
- COMMAND_ANY, "use EmbeddedICE dbgrq instead of breakpoint for target halt requests <enable | disable>");
- register_command(cmd_ctx, arm7_9_cmd, "fast_memory_access", handle_arm7_9_fast_memory_access_command,
- COMMAND_ANY, "use fast memory accesses instead of slower but potentially safer accesses <enable | disable>");
- register_command(cmd_ctx, arm7_9_cmd, "dcc_downloads", handle_arm7_9_dcc_downloads_command,
- COMMAND_ANY, "use DCC downloads for larger memory writes <enable | disable>");
-
- armv4_5_register_commands(cmd_ctx);
-
- etm_register_commands(cmd_ctx);
-
- return ERROR_OK;
-}
-
-int handle_arm7_9_write_xpsr_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_arm7_9_write_xpsr_command)
{
uint32_t value;
int spsr;
return ERROR_OK;
}
- value = strtoul(args[0], NULL, 0);
- spsr = strtol(args[1], NULL, 0);
+ COMMAND_PARSE_NUMBER(u32, args[0], value);
+ COMMAND_PARSE_NUMBER(int, args[1], spsr);
/* if we're writing the CPSR, mask the T bit */
if (!spsr)
return ERROR_OK;
}
-int handle_arm7_9_write_xpsr_im8_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_arm7_9_write_xpsr_im8_command)
{
uint32_t value;
int rotate;
return ERROR_OK;
}
- value = strtoul(args[0], NULL, 0);
- rotate = strtol(args[1], NULL, 0);
- spsr = strtol(args[2], NULL, 0);
+ COMMAND_PARSE_NUMBER(u32, args[0], value);
+ COMMAND_PARSE_NUMBER(int, args[1], rotate);
+ COMMAND_PARSE_NUMBER(int, args[2], spsr);
arm7_9->write_xpsr_im8(target, value, rotate, spsr);
if ((retval = jtag_execute_queue()) != ERROR_OK)
return ERROR_OK;
}
-int handle_arm7_9_write_core_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_arm7_9_write_core_reg_command)
{
uint32_t value;
uint32_t mode;
return ERROR_OK;
}
- num = strtol(args[0], NULL, 0);
- mode = strtoul(args[1], NULL, 0);
- value = strtoul(args[2], NULL, 0);
+ COMMAND_PARSE_NUMBER(int, args[0], num);
+ COMMAND_PARSE_NUMBER(u32, args[1], mode);
+ COMMAND_PARSE_NUMBER(u32, args[2], value);
return arm7_9_write_core_reg(target, num, mode, value);
}
-int handle_arm7_9_dbgrq_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_arm7_9_dbgrq_command)
{
target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5;
return ERROR_OK;
}
-int handle_arm7_9_fast_memory_access_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_arm7_9_fast_memory_access_command)
{
target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5;
return ERROR_OK;
}
-int handle_arm7_9_dcc_downloads_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_arm7_9_dcc_downloads_command)
{
target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5;
arm7_9->common_magic = ARM7_9_COMMON_MAGIC;
if ((retval = arm_jtag_setup_connection(&arm7_9->jtag_info)) != ERROR_OK)
- {
return retval;
- }
- 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->breakpoint_count = 0;
- arm7_9->wp0_used = 0;
- arm7_9->wp1_used = 0;
- arm7_9->wp1_used_default = 0;
- arm7_9->use_dbgrq = 0;
-
- arm7_9->etm_ctx = NULL;
- arm7_9->has_single_step = 0;
- arm7_9->has_monitor_mode = 0;
- arm7_9->has_vector_catch = 0;
+ /* caller must have allocated via calloc(), so everything's zeroed */
- arm7_9->debug_entry_from_reset = 0;
-
- arm7_9->dcc_working_area = NULL;
+ arm7_9->wp_available_max = 2;
arm7_9->fast_memory_access = fast_and_dangerous;
arm7_9->dcc_downloads = fast_and_dangerous;
- arm7_9->need_bypass_before_restart = 0;
-
armv4_5->arch_info = arm7_9;
armv4_5->read_core_reg = arm7_9_read_core_reg;
armv4_5->write_core_reg = arm7_9_write_core_reg;
armv4_5->full_context = arm7_9_full_context;
if ((retval = armv4_5_init_arch_info(target, armv4_5)) != ERROR_OK)
- {
return retval;
- }
- if ((retval = target_register_timer_callback(arm7_9_handle_target_request, 1, 1, target)) != ERROR_OK)
- {
- return retval;
- }
+ return target_register_timer_callback(arm7_9_handle_target_request,
+ 1, 1, target);
+}
+
+int arm7_9_register_commands(struct command_context_s *cmd_ctx)
+{
+ command_t *arm7_9_cmd;
+
+ arm7_9_cmd = register_command(cmd_ctx, NULL, "arm7_9",
+ NULL, COMMAND_ANY, "arm7/9 specific commands");
+
+ register_command(cmd_ctx, arm7_9_cmd, "write_xpsr",
+ handle_arm7_9_write_xpsr_command, COMMAND_EXEC,
+ "write program status register <value> <not cpsr | spsr>");
+ register_command(cmd_ctx, arm7_9_cmd, "write_xpsr_im8",
+ handle_arm7_9_write_xpsr_im8_command, COMMAND_EXEC,
+ "write program status register "
+ "<8bit immediate> <rotate> <not cpsr | spsr>");
+
+ register_command(cmd_ctx, arm7_9_cmd, "write_core_reg",
+ handle_arm7_9_write_core_reg_command, COMMAND_EXEC,
+ "write core register <num> <mode> <value>");
+
+ register_command(cmd_ctx, arm7_9_cmd, "dbgrq",
+ handle_arm7_9_dbgrq_command, COMMAND_ANY,
+ "use EmbeddedICE dbgrq instead of breakpoint "
+ "for target halt requests <enable | disable>");
+ register_command(cmd_ctx, arm7_9_cmd, "fast_memory_access",
+ handle_arm7_9_fast_memory_access_command, COMMAND_ANY,
+ "use fast memory accesses instead of slower "
+ "but potentially safer accesses <enable | disable>");
+ register_command(cmd_ctx, arm7_9_cmd, "dcc_downloads",
+ handle_arm7_9_dcc_downloads_command, COMMAND_ANY,
+ "use DCC downloads for larger memory writes <enable | disable>");
+
+ armv4_5_register_commands(cmd_ctx);
+
+ etm_register_commands(cmd_ctx);
return ERROR_OK;
}
projects / fw / openocd / blobdiff