X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fembeddedice.c;h=61ee8bbd92f0d5e63128043f1eaf23c4604db57d;hp=69f3a7681e1a5049ee7366c1c0b056ead8dd89dc;hb=fa765f137460181fd84529df82309a12c376e71a;hpb=5dcad2d34fc40659018da2cf75ceeacd3abea860
diff --git a/src/target/embeddedice.c b/src/target/embeddedice.c
index 69f3a7681e..61ee8bbd92 100644
--- a/src/target/embeddedice.c
+++ b/src/target/embeddedice.c
@@ -19,16 +19,16 @@
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * along with this program. If not, see . *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "embeddedice.h"
#include "register.h"
+#include
/**
* @file
@@ -47,13 +47,15 @@
* core entered debug mode.
*/
+static int embeddedice_set_reg_w_exec(struct reg *reg, uint8_t *buf);
+
/*
* From: ARM9E-S TRM, DDI 0165, table C-4 (and similar, for other cores)
*/
static const struct {
- char *name;
- unsigned short addr;
- unsigned short width;
+ const char *name;
+ unsigned short addr;
+ unsigned short width;
} eice_regs[] = {
[EICE_DBG_CTRL] = {
.name = "debug_ctrl",
@@ -85,7 +87,7 @@ static const struct {
.addr = 9,
.width = 32,
},
- [EICE_W0_DATA_VALUE ] = {
+ [EICE_W0_DATA_VALUE] = {
.name = "watch_0_data_value",
.addr = 10,
.width = 32,
@@ -143,14 +145,16 @@ static const struct {
},
};
-
static int embeddedice_get_reg(struct reg *reg)
{
- int retval;
-
- if ((retval = embeddedice_read_reg(reg)) != ERROR_OK)
+ int retval = embeddedice_read_reg(reg);
+ if (retval != ERROR_OK) {
LOG_ERROR("error queueing EmbeddedICE register read");
- else if ((retval = jtag_execute_queue()) != ERROR_OK)
+ return retval;
+ }
+
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
LOG_ERROR("EmbeddedICE register read failed");
return retval;
@@ -166,8 +170,8 @@ static const struct reg_arch_type eice_reg_type = {
* Different versions of the modules have different capabilities, such as
* hardware support for vector_catch, single stepping, and monitor mode.
*/
-struct reg_cache *
-embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
+struct reg_cache *embeddedice_build_reg_cache(struct target *target,
+ struct arm7_9_common *arm7_9)
{
int retval;
struct reg_cache *reg_cache = malloc(sizeof(struct reg_cache));
@@ -198,12 +202,11 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
*/
/* set up registers */
- for (i = 0; i < num_regs; i++)
- {
+ for (i = 0; i < num_regs; i++) {
reg_list[i].name = eice_regs[i].name;
reg_list[i].size = eice_regs[i].width;
- reg_list[i].dirty = 0;
- reg_list[i].valid = 0;
+ reg_list[i].dirty = false;
+ reg_list[i].valid = false;
reg_list[i].value = calloc(1, 4);
reg_list[i].arch_info = &arch_info[i];
reg_list[i].type = &eice_reg_type;
@@ -213,12 +216,10 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
/* identify EmbeddedICE version by reading DCC control register */
embeddedice_read_reg(®_list[EICE_COMMS_CTRL]);
- if ((retval = jtag_execute_queue()) != ERROR_OK)
- {
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK) {
for (i = 0; i < num_regs; i++)
- {
free(reg_list[i].value);
- }
free(reg_list);
free(reg_cache);
free(arch_info);
@@ -228,8 +229,7 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
eice_version = buf_get_u32(reg_list[EICE_COMMS_CTRL].value, 28, 4);
LOG_INFO("Embedded ICE version %d", eice_version);
- switch (eice_version)
- {
+ switch (eice_version) {
case 1:
/* ARM7TDMI r3, ARM7TDMI-S r3
*
@@ -288,7 +288,7 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
* and do the appropriate setup itself.
*/
if (strcmp(target_type_name(target), "feroceon") == 0 ||
- strcmp(target_type_name(target), "dragonite") == 0)
+ strcmp(target_type_name(target), "dragonite") == 0)
break;
LOG_ERROR("unknown EmbeddedICE version "
"(comms ctrl: 0x%8.8" PRIx32 ")",
@@ -316,12 +316,12 @@ int embeddedice_setup(struct target *target)
* that manages break requests. ARM's "Angel Debug Monitor" is one
* common example of such code.
*/
- if (arm7_9->has_monitor_mode)
- {
+ if (arm7_9->has_monitor_mode) {
struct reg *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
embeddedice_read_reg(dbg_ctrl);
- if ((retval = jtag_execute_queue()) != ERROR_OK)
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
return retval;
buf_set_u32(dbg_ctrl->value, 4, 1, 0);
embeddedice_set_reg_w_exec(dbg_ctrl, dbg_ctrl->value);
@@ -342,10 +342,16 @@ int embeddedice_read_reg_w_check(struct reg *reg,
struct scan_field fields[3];
uint8_t field1_out[1];
uint8_t field2_out[1];
+ int retval;
- arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE);
+ retval = arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
- arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
+ retval = arm_jtag_set_instr(ice_reg->jtag_info->tap,
+ ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
/* bits 31:0 -- data (ignored here) */
fields[0].num_bits = 32;
@@ -403,9 +409,14 @@ int embeddedice_receive(struct arm_jtag *jtag_info, uint32_t *data, uint32_t siz
struct scan_field fields[3];
uint8_t field1_out[1];
uint8_t field2_out[1];
+ int retval;
- arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
- arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
+ retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
fields[0].num_bits = 32;
fields[0].out_value = NULL;
@@ -423,8 +434,7 @@ int embeddedice_receive(struct arm_jtag *jtag_info, uint32_t *data, uint32_t siz
jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
- while (size > 0)
- {
+ while (size > 0) {
/* when reading the last item, set the register address to the DCC control reg,
* to avoid reading additional data from the DCC data reg
*/
@@ -460,8 +470,8 @@ void embeddedice_set_reg(struct reg *reg, uint32_t value)
embeddedice_write_reg(reg, value);
buf_set_u32(reg->value, 0, reg->size, value);
- reg->valid = 1;
- reg->dirty = 0;
+ reg->valid = true;
+ reg->dirty = false;
}
@@ -469,12 +479,13 @@ void embeddedice_set_reg(struct reg *reg, uint32_t value)
* Write an EmbeddedICE register, updating the register cache.
* Uses embeddedice_set_reg(); not queued.
*/
-int embeddedice_set_reg_w_exec(struct reg *reg, uint8_t *buf)
+static int embeddedice_set_reg_w_exec(struct reg *reg, uint8_t *buf)
{
int retval;
embeddedice_set_reg(reg, buf_get_u32(buf, 0, reg->size));
- if ((retval = jtag_execute_queue()) != ERROR_OK)
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
LOG_ERROR("register write failed");
return retval;
}
@@ -490,7 +501,7 @@ void embeddedice_write_reg(struct reg *reg, uint32_t value)
arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE);
- arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
+ arm_jtag_set_instr(ice_reg->jtag_info->tap, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
uint8_t reg_addr = ice_reg->addr & 0x1f;
embeddedice_write_reg_inner(ice_reg->jtag_info->tap, reg_addr, value);
@@ -519,9 +530,14 @@ int embeddedice_send(struct arm_jtag *jtag_info, uint32_t *data, uint32_t size)
uint8_t field0_out[4];
uint8_t field1_out[1];
uint8_t field2_out[1];
+ int retval;
- arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
- arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
+ retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
fields[0].num_bits = 32;
fields[0].out_value = field0_out;
@@ -538,8 +554,7 @@ int embeddedice_send(struct arm_jtag *jtag_info, uint32_t *data, uint32_t size)
fields[2].in_value = NULL;
- while (size > 0)
- {
+ while (size > 0) {
buf_set_u32(field0_out, 0, 32, *data);
jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
@@ -562,18 +577,24 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou
uint8_t field2_out[1];
int retval;
uint32_t hsact;
- struct timeval lap;
struct timeval now;
+ struct timeval timeout_end;
if (hsbit == EICE_COMM_CTRL_WBIT)
hsact = 1;
else if (hsbit == EICE_COMM_CTRL_RBIT)
hsact = 0;
- else
- return ERROR_INVALID_ARGUMENTS;
+ else {
+ LOG_ERROR("Invalid arguments");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
- arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
- arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
+ retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
+ retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
fields[0].num_bits = 32;
fields[0].out_value = NULL;
@@ -590,19 +611,21 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou
fields[2].in_value = NULL;
jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
- gettimeofday(&lap, NULL);
+ gettimeofday(&timeout_end, NULL);
+ timeval_add_time(&timeout_end, 0, timeout * 1000);
do {
jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
- if ((retval = jtag_execute_queue()) != ERROR_OK)
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
return retval;
if (buf_get_u32(field0_in, hsbit, 1) == hsact)
return ERROR_OK;
gettimeofday(&now, NULL);
- } while ((uint32_t)((now.tv_sec - lap.tv_sec) * 1000
- + (now.tv_usec - lap.tv_usec) / 1000) <= timeout);
+ } while (timeval_compare(&now, &timeout_end) <= 0);
+ LOG_ERROR("embeddedice handshake timeout");
return ERROR_TARGET_TIMEOUT;
}
@@ -611,12 +634,11 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou
* This is an inner loop of the open loop DCC write of data to target
*/
void embeddedice_write_dcc(struct jtag_tap *tap,
- int reg_addr, uint8_t *buffer, int little, int count)
+ int reg_addr, const uint8_t *buffer, int little, int count)
{
int i;
- for (i = 0; i < count; i++)
- {
+ for (i = 0; i < count; i++) {
embeddedice_write_reg_inner(tap, reg_addr,
fast_target_buffer_get_u32(buffer, little));
buffer += 4;