* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+#ifdef HAVE_CONFIG_H
#include "config.h"
+#endif
#include "embeddedice.h"
{
0x0, 0x1, 0x4, 0x5,
0x8, 0x9, 0xa, 0xb, 0xc, 0xd,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15,
+ 0x2
};
char* embeddedice_reg_list[] =
"watch 1 data value",
"watch 1 data mask",
"watch 1 control value",
- "watch 1 control mask"
+ "watch 1 control mask",
+
+ "vector catch"
};
int embeddedice_reg_arch_type = -1;
int embeddedice_get_reg(reg_t *reg);
int embeddedice_set_reg(reg_t *reg, u32 value);
+int embeddedice_set_reg_w_exec(reg_t *reg, u8 *buf);
int embeddedice_write_reg(reg_t *reg, u32 value);
int embeddedice_read_reg(reg_t *reg);
-reg_cache_t* embeddedice_build_reg_cache(target_t *target, arm_jtag_t *jtag_info, int extra_reg)
+int embeddedice_jtag_error_handler(u8 *in_value, void *priv)
+{
+ char *caller = priv;
+
+ DEBUG("caller: %s", caller);
+
+ return ERROR_OK;
+}
+
+reg_cache_t* embeddedice_build_reg_cache(target_t *target, arm7_9_common_t *arm7_9)
{
reg_cache_t *reg_cache = malloc(sizeof(reg_cache_t));
reg_t *reg_list = NULL;
embeddedice_reg_t *arch_info = NULL;
- int num_regs = 16 + extra_reg;
+ arm_jtag_t *jtag_info = &arm7_9->jtag_info;
+ int num_regs;
int i;
+ int eice_version = 0;
/* register a register arch-type for EmbeddedICE registers only once */
if (embeddedice_reg_arch_type == -1)
embeddedice_reg_arch_type = register_reg_arch_type(embeddedice_get_reg, embeddedice_set_reg_w_exec);
+ if (arm7_9->has_vector_catch)
+ num_regs = 17;
+ else
+ num_regs = 16;
+
/* the actual registers are kept in two arrays */
reg_list = calloc(num_regs, sizeof(reg_t));
arch_info = calloc(num_regs, sizeof(embeddedice_reg_t));
reg_cache->num_regs = num_regs;
/* set up registers */
- for (i = 0; i < num_regs - extra_reg; i++)
+ for (i = 0; i < num_regs; i++)
{
reg_list[i].name = embeddedice_reg_list[i];
reg_list[i].size = 32;
arch_info[i].jtag_info = jtag_info;
}
- /* there may be one extra reg (Abort status (ARM7 rev4) or Vector catch (ARM9)) */
- if (extra_reg)
+ /* identify EmbeddedICE version by reading DCC control register */
+ embeddedice_read_reg(®_list[EICE_COMMS_CTRL]);
+ jtag_execute_queue();
+
+ eice_version = buf_get_u32(reg_list[EICE_COMMS_CTRL].value, 28, 4);
+
+ switch (eice_version)
+ {
+ case 1:
+ reg_list[EICE_DBG_CTRL].size = 3;
+ reg_list[EICE_DBG_STAT].size = 5;
+ break;
+ case 2:
+ reg_list[EICE_DBG_CTRL].size = 4;
+ reg_list[EICE_DBG_STAT].size = 5;
+ arm7_9->has_single_step = 1;
+ break;
+ case 3:
+ ERROR("EmbeddedICE version 3 detected, EmbeddedICE handling might be broken");
+ reg_list[EICE_DBG_CTRL].size = 6;
+ reg_list[EICE_DBG_STAT].size = 5;
+ arm7_9->has_single_step = 1;
+ arm7_9->has_monitor_mode = 1;
+ break;
+ case 4:
+ reg_list[EICE_DBG_CTRL].size = 6;
+ reg_list[EICE_DBG_STAT].size = 5;
+ arm7_9->has_monitor_mode = 1;
+ break;
+ case 5:
+ reg_list[EICE_DBG_CTRL].size = 6;
+ reg_list[EICE_DBG_STAT].size = 5;
+ arm7_9->has_single_step = 1;
+ arm7_9->has_monitor_mode = 1;
+ break;
+ case 6:
+ reg_list[EICE_DBG_CTRL].size = 6;
+ reg_list[EICE_DBG_STAT].size = 10;
+ arm7_9->has_monitor_mode = 1;
+ break;
+ case 7:
+ WARNING("EmbeddedICE version 7 detected, EmbeddedICE handling might be broken");
+ reg_list[EICE_DBG_CTRL].size = 6;
+ reg_list[EICE_DBG_STAT].size = 5;
+ arm7_9->has_monitor_mode = 1;
+ break;
+ default:
+ ERROR("unknown EmbeddedICE version (comms ctrl: 0x%8.8x)", buf_get_u32(reg_list[EICE_COMMS_CTRL].value, 0, 32));
+ }
+
+ /* explicitly disable monitor mode */
+ if (arm7_9->has_monitor_mode)
{
- reg_list[num_regs - 1].arch_info = &arch_info[num_regs - 1];
- arch_info[num_regs - 1].jtag_info = jtag_info;
+ embeddedice_read_reg(®_list[EICE_DBG_CTRL]);
+ jtag_execute_queue();
+ buf_set_u32(reg_list[EICE_DBG_CTRL].value, 4, 1, 0);
+ embeddedice_set_reg_w_exec(®_list[EICE_DBG_CTRL], reg_list[EICE_DBG_CTRL].value);
}
return reg_cache;
embeddedice_reg_t *ice_reg = reg->arch_info;
u8 reg_addr = ice_reg->addr & 0x1f;
scan_field_t fields[3];
+ error_handler_t error_handler;
DEBUG("%i", ice_reg->addr);
jtag_add_end_state(TAP_RTI);
arm_jtag_scann(ice_reg->jtag_info, 0x2);
- arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr);
+
+ error_handler.error_handler = embeddedice_jtag_error_handler;
+ error_handler.error_handler_priv = "embeddedice_read_reg_w_check";
+
+ arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, &error_handler);
fields[0].device = ice_reg->jtag_info->chain_pos;
fields[0].num_bits = 32;
fields[2].in_handler = NULL;
fields[2].in_handler_priv = NULL;
- jtag_add_dr_scan(3, fields, -1);
+ jtag_add_dr_scan(3, fields, -1, NULL);
fields[0].in_value = reg->value;
fields[0].in_check_value = check_value;
*/
buf_set_u32(fields[1].out_value, 0, 5, embeddedice_reg_arch_info[EICE_COMMS_CTRL]);
- jtag_add_dr_scan(3, fields, -1);
+ jtag_add_dr_scan(3, fields, -1, NULL);
free(fields[1].out_value);
free(fields[2].out_value);
return ERROR_OK;
}
-int embeddedice_set_reg_w_exec(reg_t *reg, u32 value)
+int embeddedice_set_reg_w_exec(reg_t *reg, u8 *buf)
{
- embeddedice_set_reg(reg, value);
+ embeddedice_set_reg(reg, buf_get_u32(buf, 0, reg->size));
if (jtag_execute_queue() != ERROR_OK)
{
embeddedice_reg_t *ice_reg = reg->arch_info;
u8 reg_addr = ice_reg->addr & 0x1f;
scan_field_t fields[3];
+ error_handler_t error_handler;
DEBUG("%i: 0x%8.8x", ice_reg->addr, value);
jtag_add_end_state(TAP_RTI);
arm_jtag_scann(ice_reg->jtag_info, 0x2);
- arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr);
+
+ error_handler.error_handler = embeddedice_jtag_error_handler;
+ error_handler.error_handler_priv = "embeddedice_write_reg";
+
+ arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL);
fields[0].device = ice_reg->jtag_info->chain_pos;
fields[0].num_bits = 32;
fields[2].in_handler = NULL;
fields[2].in_handler_priv = NULL;
- jtag_add_dr_scan(3, fields, -1);
+ jtag_add_dr_scan(3, fields, -1, NULL);
free(fields[0].out_value);
free(fields[1].out_value);