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-rw-r--r--src/flash/flash.c8
-rw-r--r--src/flash/flash.h4
-rw-r--r--src/openocd.c2
-rw-r--r--src/server/gdb_server.c82
4 files changed, 56 insertions, 40 deletions
diff --git a/src/flash/flash.c b/src/flash/flash.c
index de42fcde..7336bbd7 100644
--- a/src/flash/flash.c
+++ b/src/flash/flash.c
@@ -90,7 +90,7 @@ int flash_register_commands(struct command_context_s *cmd_ctx)
return ERROR_OK;
}
-int flash_init(struct command_context_s *cmd_ctx)
+int flash_init_drivers(struct command_context_s *cmd_ctx)
{
if (flash_banks)
{
@@ -398,7 +398,7 @@ int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *
duration_start_measure(&duration);
- if ((retval = flash_erase(target, address, length)) != ERROR_OK)
+ if ((retval = flash_erase_address_range(target, address, length)) != ERROR_OK)
{
switch (retval)
{
@@ -801,7 +801,7 @@ flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
}
/* erase given flash region, selects proper bank according to target and address */
-int flash_erase(target_t *target, u32 addr, u32 length)
+int flash_erase_address_range(target_t *target, u32 addr, u32 length)
{
flash_bank_t *c;
int first = -1;
@@ -977,7 +977,7 @@ int flash_write(target_t *target, image_t *image, u32 *written, char **error_str
if (erase)
{
/* calculate and erase sectors */
- retval = flash_erase( target, run_address, run_size );
+ retval = flash_erase_address_range( target, run_address, run_size );
}
if (retval == ERROR_OK)
diff --git a/src/flash/flash.h b/src/flash/flash.h
index 0f616a9a..a0529aa4 100644
--- a/src/flash/flash.h
+++ b/src/flash/flash.h
@@ -64,9 +64,9 @@ typedef struct flash_bank_s
} flash_bank_t;
extern int flash_register_commands(struct command_context_s *cmd_ctx);
-extern int flash_init(struct command_context_s *cmd_ctx);
+extern int flash_init_drivers(struct command_context_s *cmd_ctx);
-extern int flash_erase(target_t *target, u32 addr, u32 length);
+extern int flash_erase_address_range(target_t *target, u32 addr, u32 length);
extern int flash_write(target_t *target, image_t *image, u32 *written, char **error, int *failed, int erase);
extern void flash_set_dirty(void);
diff --git a/src/openocd.c b/src/openocd.c
index 2362e60f..92305fb7 100644
--- a/src/openocd.c
+++ b/src/openocd.c
@@ -117,7 +117,7 @@ int main(int argc, char *argv[])
return EXIT_FAILURE;
DEBUG("target init complete");
- if (flash_init(cmd_ctx) != ERROR_OK)
+ if (flash_init_drivers(cmd_ctx) != ERROR_OK)
return EXIT_FAILURE;
DEBUG("flash init complete");
diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index 42f04680..16144851 100644
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -289,7 +289,8 @@ int gdb_get_packet(connection_t *connection, char *buffer, int *len)
if ((retval = gdb_get_char(connection, &character)) != ERROR_OK)
return retval;
- if (character == '#') break;
+ if (character == '#')
+ break;
if (character == '}')
{
@@ -532,30 +533,33 @@ int gdb_last_signal_packet(connection_t *connection, target_t *target, char* pac
return ERROR_OK;
}
-void gdb_str_to_target(target_t *target, char *str, char *tstr)
+/* Convert register to string of bits. NB! The # of bits in the
+ * register might be non-divisible by 8(a byte), in which
+ * case an entire byte is shown. */
+void gdb_str_to_target(target_t *target, char *tstr, reg_t *reg)
{
- int str_len = strlen(str);
+ static const char *DIGITS = "0123456789abcdef";
int i;
- if (str_len % 2)
- {
- ERROR("BUG: gdb value with uneven number of characters encountered: %s", str);
- exit(-1);
- }
+ u8 *buf;
+ int buf_len;
+ buf = reg->value;
+ buf_len = CEIL(reg->size, 8);
if (target->endianness == TARGET_LITTLE_ENDIAN)
{
- for (i = 0; i < str_len; i+=2)
+ for (i = 0; i < buf_len; i++)
{
- tstr[str_len - i - 1] = str[i + 1];
- tstr[str_len - i - 2] = str[i];
+ tstr[i*2] = DIGITS[(buf[i]>>4) & 0xf];
+ tstr[i*2+1] = DIGITS[buf[i]&0xf];
}
}
else
{
- for (i = 0; i < str_len; i++)
+ for (i = 0; i < buf_len; i++)
{
- tstr[i] = str[i];
+ tstr[(buf_len-1-i)*2] = DIGITS[(buf[i]>>4)&0xf];
+ tstr[(buf_len-1-i)*2+1] = DIGITS[buf[i]&0xf];
}
}
}
@@ -598,7 +602,9 @@ int gdb_get_registers_packet(connection_t *connection, target_t *target, char* p
char *reg_packet_p;
int i;
+#ifdef _DEBUG_GDB_IO_
DEBUG("-");
+#endif
if ((retval = target->type->get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
{
@@ -624,16 +630,18 @@ int gdb_get_registers_packet(connection_t *connection, target_t *target, char* p
for (i = 0; i < reg_list_size; i++)
{
- char *hex_buf = buf_to_str(reg_list[i]->value, reg_list[i]->size, 16);
- DEBUG("hex_buf: %s", hex_buf);
- gdb_str_to_target(target, hex_buf, reg_packet_p);
+ gdb_str_to_target(target, reg_packet_p, reg_list[i]);
reg_packet_p += CEIL(reg_list[i]->size, 8) * 2;
- free(hex_buf);
}
- reg_packet_p = strndup(reg_packet, CEIL(reg_packet_size, 8) * 2);
- DEBUG("reg_packet: %s", reg_packet_p);
- free(reg_packet_p);
+#ifdef _DEBUG_GDB_IO_
+ {
+ char *reg_packet_p;
+ reg_packet_p = strndup(reg_packet, CEIL(reg_packet_size, 8) * 2);
+ DEBUG("reg_packet: %s", reg_packet_p);
+ free(reg_packet_p);
+ }
+#endif
gdb_put_packet(connection, reg_packet, CEIL(reg_packet_size, 8) * 2);
free(reg_packet);
@@ -651,7 +659,9 @@ int gdb_set_registers_packet(connection_t *connection, target_t *target, char *p
int retval;
char *packet_p;
+#ifdef _DEBUG_GDB_IO_
DEBUG("-");
+#endif
/* skip command character */
packet++;
@@ -723,9 +733,10 @@ int gdb_get_register_packet(connection_t *connection, target_t *target, char *pa
reg_t **reg_list;
int reg_list_size;
int retval;
- char *hex_buf;
+#ifdef _DEBUG_GDB_IO_
DEBUG("-");
+#endif
if ((retval = target->type->get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
{
@@ -749,15 +760,12 @@ int gdb_get_register_packet(connection_t *connection, target_t *target, char *pa
reg_packet = malloc(CEIL(reg_list[reg_num]->size, 8) * 2);
- hex_buf = buf_to_str(reg_list[reg_num]->value, reg_list[reg_num]->size, 16);
-
- gdb_str_to_target(target, hex_buf, reg_packet);
+ gdb_str_to_target(target, reg_packet, reg_list[reg_num]);
gdb_put_packet(connection, reg_packet, CEIL(reg_list[reg_num]->size, 8) * 2);
free(reg_list);
free(reg_packet);
- free(hex_buf);
return ERROR_OK;
}
@@ -1240,13 +1248,13 @@ void xml_printf(int *retval, char **xml, int *pos, int *size, const char *fmt, .
* Need minimum 2 bytes to fit 1 char and 0 terminator. */
*size = *size * 2 + 2;
- char *t=*xml;
+ char *t = *xml;
*xml = realloc(*xml, *size);
if (*xml == NULL)
{
if (t)
free(t);
- *retval=ERROR_SERVER_REMOTE_CLOSED;
+ *retval = ERROR_SERVER_REMOTE_CLOSED;
return;
}
}
@@ -1309,6 +1317,7 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i
cmd[i] = tmp;
}
cmd[(packet_size - 6)/2] = 0x0;
+ target_call_timer_callbacks();
command_run_line(cmd_ctx, cmd);
free(cmd);
}
@@ -1363,15 +1372,21 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i
char *buffer = NULL;
int pos = 0;
int size = 0;
+
xml_printf(&retval, &buffer, &pos, &size,
"PacketSize=%x;qXfer:memory-map:read%c;qXfer:features:read-",
(GDB_BUFFER_SIZE - 1), gdb_use_memory_map == 1 ? '+' : '-');
- if (buffer!=NULL)
+
+ if (retval != ERROR_OK)
{
- gdb_put_packet(connection, buffer, strlen(buffer));
- free(buffer);
+ gdb_send_error(connection, 01);
+ return ERROR_OK;
}
- return retval;
+
+ gdb_put_packet(connection, buffer, strlen(buffer));
+ free(buffer);
+
+ return ERROR_OK;
}
else if (strstr(packet, "qXfer:memory-map:read::"))
{
@@ -1533,7 +1548,7 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p
target_call_event_callbacks(gdb_service->target, TARGET_EVENT_GDB_PROGRAM);
/* perform erase */
- if ((result = flash_erase(gdb_service->target, addr, length)) != ERROR_OK)
+ if ((result = flash_erase_address_range(gdb_service->target, addr, length)) != ERROR_OK)
{
/* GDB doesn't evaluate the actual error number returned,
* treat a failed erase as an I/O error
@@ -1598,7 +1613,8 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p
/* disable gdb output while programming */
gdb_connection->output_disable = 1;
- /* process the flashing buffer */
+ /* process the flashing buffer. No need to erase as GDB
+ * always issues a vFlashErase first. */
if ((result = flash_write(gdb_service->target, gdb_connection->vflash_image, &written, &error_str, NULL, 0)) != ERROR_OK)
{
if (result == ERROR_FLASH_DST_OUT_OF_BANK)
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-03 02:49:50 +0000