Merge pull request #347 from riscv/hwthread

`-rtos hwthread` support
This commit is contained in:
Tim Newsome
2019-01-31 12:20:34 -08:00
committed by GitHub
12 changed files with 791 additions and 147 deletions
+45 -29
View File
@@ -733,17 +733,26 @@ static void gdb_signal_reply(struct target *target, struct connection *connectio
if (target->debug_reason == DBG_REASON_EXIT) {
sig_reply_len = snprintf(sig_reply, sizeof(sig_reply), "W00");
} else {
struct target *ct;
if (target->rtos != NULL) {
target->rtos->current_threadid = target->rtos->current_thread;
LOG_DEBUG("current_threadid=%" PRId64, target->rtos->current_threadid);
target->rtos->gdb_target_for_threadid(connection, target->rtos->current_threadid, &ct);
} else {
ct = target;
}
if (gdb_connection->ctrl_c) {
signal_var = 0x2;
} else
signal_var = gdb_last_signal(target);
signal_var = gdb_last_signal(ct);
stop_reason[0] = '\0';
if (target->debug_reason == DBG_REASON_WATCHPOINT) {
if (ct->debug_reason == DBG_REASON_WATCHPOINT) {
enum watchpoint_rw hit_wp_type;
target_addr_t hit_wp_address;
if (watchpoint_hit(target, &hit_wp_type, &hit_wp_address) == ERROR_OK) {
if (watchpoint_hit(ct, &hit_wp_type, &hit_wp_address) == ERROR_OK) {
switch (hit_wp_type) {
case WPT_WRITE:
@@ -765,15 +774,9 @@ static void gdb_signal_reply(struct target *target, struct connection *connectio
}
current_thread[0] = '\0';
if (target->rtos != NULL) {
struct target *ct;
if (target->rtos != NULL)
snprintf(current_thread, sizeof(current_thread), "thread:%" PRIx64 ";",
target->rtos->current_thread);
target->rtos->current_threadid = target->rtos->current_thread;
target->rtos->gdb_target_for_threadid(connection, target->rtos->current_threadid, &ct);
if (!gdb_connection->ctrl_c)
signal_var = gdb_last_signal(ct);
}
sig_reply_len = snprintf(sig_reply, sizeof(sig_reply), "T%2.2x%s%s",
signal_var, stop_reason, current_thread);
@@ -1340,37 +1343,49 @@ static int gdb_set_register_packet(struct connection *connection,
{
struct target *target = get_target_from_connection(connection);
char *separator;
uint8_t *bin_buf;
int reg_num = strtoul(packet + 1, &separator, 16);
struct reg **reg_list;
int reg_list_size;
int retval;
#ifdef _DEBUG_GDB_IO_
LOG_DEBUG("-");
retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size,
REG_CLASS_ALL);
if (retval != ERROR_OK)
return gdb_error(connection, retval);
if (reg_list_size <= reg_num) {
LOG_ERROR("gdb requested a non-existing register");
return ERROR_SERVER_REMOTE_CLOSED;
}
#endif
if (*separator != '=') {
LOG_ERROR("GDB 'set register packet', but no '=' following the register number");
return ERROR_SERVER_REMOTE_CLOSED;
}
size_t chars = strlen(separator + 1);
uint8_t *bin_buf = malloc(chars / 2);
gdb_target_to_reg(target, separator + 1, chars, bin_buf);
/* convert from GDB-string (target-endian) to hex-string (big-endian) */
bin_buf = malloc(DIV_ROUND_UP(reg_list[reg_num]->size, 8));
int chars = (DIV_ROUND_UP(reg_list[reg_num]->size, 8) * 2);
if ((unsigned int)chars != strlen(separator + 1)) {
LOG_ERROR("gdb sent %zu bits for a %d-bit register (%s)",
strlen(separator + 1) * 4, chars * 4, reg_list[reg_num]->name);
if ((target->rtos != NULL) &&
(ERROR_OK == rtos_set_reg(connection, reg_num, bin_buf))) {
free(bin_buf);
gdb_put_packet(connection, "OK", 2);
return ERROR_OK;
}
retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size,
REG_CLASS_ALL);
if (retval != ERROR_OK) {
free(bin_buf);
return gdb_error(connection, retval);
}
if (reg_list_size <= reg_num) {
LOG_ERROR("gdb requested a non-existing register");
free(bin_buf);
free(reg_list);
return ERROR_SERVER_REMOTE_CLOSED;
}
if (chars != (DIV_ROUND_UP(reg_list[reg_num]->size, 8) * 2)) {
LOG_ERROR("gdb sent %d bits for a %d-bit register (%s)",
(int) chars * 4, reg_list[reg_num]->size, reg_list[reg_num]->name);
free(bin_buf);
free(reg_list);
return ERROR_SERVER_REMOTE_CLOSED;
}
@@ -1640,7 +1655,7 @@ static int gdb_breakpoint_watchpoint_packet(struct connection *connection,
char *separator;
int retval;
LOG_DEBUG("-");
LOG_DEBUG("[%d]", target->coreid);
type = strtoul(packet + 1, &separator, 16);
@@ -2398,6 +2413,7 @@ static int gdb_target_description_supported(struct target *target, int *supporte
&reg_list_size, REG_CLASS_ALL);
if (retval != ERROR_OK) {
LOG_ERROR("get register list failed");
reg_list = NULL;
goto error;
}