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-rw-r--r--src/flash/flash.c3
-rw-r--r--src/flash/stm32x.c24
-rw-r--r--src/flash/str7x.c137
-rw-r--r--src/flash/str7x.h7
-rw-r--r--src/flash/str9x.c39
-rw-r--r--src/server/gdb_server.c73
-rw-r--r--src/target/arm966e.c17
-rw-r--r--src/target/arm966e.h3
-rw-r--r--src/target/target.c4
-rw-r--r--src/target/target.h1
10 files changed, 236 insertions, 72 deletions
diff --git a/src/flash/flash.c b/src/flash/flash.c
index 9ab34e7b..7dc7f1bb 100644
--- a/src/flash/flash.c
+++ b/src/flash/flash.c
@@ -574,6 +574,7 @@ int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cm
{
command_print(cmd_ctx, "failed writing image %s: %s", args[0], error_str);
free(error_str);
+ free(failed);
}
for (i = 0; i < image.num_sections; i++)
@@ -589,7 +590,9 @@ int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cm
command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
written, args[0], duration_text,
(float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
+
free(duration_text);
+ free(failed);
image_close(&image);
diff --git a/src/flash/stm32x.c b/src/flash/stm32x.c
index 15cbb74c..885f2cf0 100644
--- a/src/flash/stm32x.c
+++ b/src/flash/stm32x.c
@@ -291,7 +291,7 @@ int stm32x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 co
u32 buffer_size = 8192;
working_area_t *source;
u32 address = bank->base + offset;
- reg_param_t reg_params[6];
+ reg_param_t reg_params[4];
armv7m_algorithm_t armv7m_info;
int retval = ERROR_OK;
@@ -318,16 +318,13 @@ int stm32x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 co
};
/* flash write code */
- if (!stm32x_info->write_algorithm)
+ if (target_alloc_working_area(target, sizeof(stm32x_flash_write_code), &stm32x_info->write_algorithm) != ERROR_OK)
{
- if (target_alloc_working_area(target, sizeof(stm32x_flash_write_code), &stm32x_info->write_algorithm) != ERROR_OK)
- {
- WARNING("no working area available, can't do block memory writes");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- };
-
- target_write_buffer(target, stm32x_info->write_algorithm->address, sizeof(stm32x_flash_write_code), stm32x_flash_write_code);
- }
+ WARNING("no working area available, can't do block memory writes");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ };
+
+ target_write_buffer(target, stm32x_info->write_algorithm->address, sizeof(stm32x_flash_write_code), stm32x_flash_write_code);
/* memory buffer */
while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK)
@@ -352,8 +349,6 @@ int stm32x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 co
init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT);
init_reg_param(&reg_params[3], "r3", 32, PARAM_IN);
- init_reg_param(&reg_params[4], "r4", 32, PARAM_IN);
- init_reg_param(&reg_params[5], "r5", 32, PARAM_IN);
while (count > 0)
{
@@ -365,7 +360,7 @@ int stm32x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 co
buf_set_u32(reg_params[1].value, 0, 32, address);
buf_set_u32(reg_params[2].value, 0, 32, thisrun_count);
- if ((retval = target->type->run_algorithm(target, 0, NULL, 6, reg_params, stm32x_info->write_algorithm->address, \
+ if ((retval = target->type->run_algorithm(target, 0, NULL, 4, reg_params, stm32x_info->write_algorithm->address, \
stm32x_info->write_algorithm->address + (sizeof(stm32x_flash_write_code) - 10), 10000, &armv7m_info)) != ERROR_OK)
{
ERROR("error executing str7x flash write algorithm");
@@ -384,13 +379,12 @@ int stm32x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 co
}
target_free_working_area(target, source);
+ target_free_working_area(target, stm32x_info->write_algorithm);
destroy_reg_param(&reg_params[0]);
destroy_reg_param(&reg_params[1]);
destroy_reg_param(&reg_params[2]);
destroy_reg_param(&reg_params[3]);
- destroy_reg_param(&reg_params[4]);
- destroy_reg_param(&reg_params[5]);
return retval;
}
diff --git a/src/flash/str7x.c b/src/flash/str7x.c
index 6771506a..2b3e47fd 100644
--- a/src/flash/str7x.c
+++ b/src/flash/str7x.c
@@ -59,6 +59,8 @@ int str7x_protect_check(struct flash_bank_s *bank);
int str7x_erase_check(struct flash_bank_s *bank);
int str7x_info(struct flash_bank_s *bank, char *buf, int buf_size);
+int str7x_handle_disable_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+
flash_driver_t str7x_flash =
{
.name = "str7x",
@@ -75,7 +77,11 @@ flash_driver_t str7x_flash =
int str7x_register_commands(struct command_context_s *cmd_ctx)
{
-
+ command_t *str7x_cmd = register_command(cmd_ctx, NULL, "str7x", NULL, COMMAND_ANY, NULL);
+
+ register_command(cmd_ctx, str7x_cmd, "disable_jtag", str7x_handle_disable_jtag_command, COMMAND_EXEC,
+ "disable jtag access");
+
return ERROR_OK;
}
@@ -165,9 +171,13 @@ int str7x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char
str7x_info = malloc(sizeof(str7x_flash_bank_t));
bank->driver_priv = str7x_info;
+ /* set default bits for str71x flash */
+ str7x_info->bank1 = 1;
+ str7x_info->busy_bits = (FLASH_LOCK|FLASH_BSYA1|FLASH_BSYA0);
+ str7x_info->disable_bit = (1<<1);
+
if (strcmp(args[6], "STR71x") == 0)
{
- str7x_info->bank1 = 1;
if (bank->base != 0x40000000)
{
WARNING("overriding flash base address for STR71x device with 0x40000000");
@@ -177,6 +187,8 @@ int str7x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char
else if (strcmp(args[6], "STR73x") == 0)
{
str7x_info->bank1 = 0;
+ str7x_info->busy_bits = (FLASH_LOCK|FLASH_BSYA0);
+
if (bank->base != 0x80000000)
{
WARNING("overriding flash base address for STR73x device with 0x80000000");
@@ -185,7 +197,8 @@ int str7x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char
}
else if (strcmp(args[6], "STR75x") == 0)
{
- str7x_info->bank1 = 1;
+ str7x_info->disable_bit = (1<<0);
+
if (bank->base != 0x20000000)
{
WARNING("overriding flash base address for STR75x device with 0x20000000");
@@ -331,7 +344,7 @@ int str7x_erase(struct flash_bank_s *bank, int first, int last)
cmd = FLASH_SER|FLASH_WMS;
target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
- while (((retval = str7x_status(bank)) & (FLASH_BSYA1|FLASH_BSYA2))){
+ while (((retval = str7x_status(bank)) & str7x_info->busy_bits)){
usleep(1000);
}
@@ -360,7 +373,7 @@ int str7x_erase(struct flash_bank_s *bank, int first, int last)
cmd = FLASH_SER|FLASH_WMS;
target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
- while (((retval = str7x_status(bank)) & (FLASH_BSYA1|FLASH_BSYA2))){
+ while (((retval = str7x_status(bank)) & str7x_info->busy_bits)){
usleep(1000);
}
@@ -416,7 +429,7 @@ int str7x_protect(struct flash_bank_s *bank, int set, int first, int last)
cmd = FLASH_SPR|FLASH_WMS;
target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
- while (((retval = str7x_status(bank)) & (FLASH_BSYA1|FLASH_BSYA2))){
+ while (((retval = str7x_status(bank)) & str7x_info->busy_bits)){
usleep(1000);
}
@@ -439,7 +452,7 @@ int str7x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 cou
u32 buffer_size = 8192;
working_area_t *source;
u32 address = bank->base + offset;
- reg_param_t reg_params[5];
+ reg_param_t reg_params[6];
armv4_5_algorithm_t armv4_5_info;
int retval = ERROR_OK;
@@ -456,7 +469,7 @@ int str7x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 cou
0xe5824000, /* str r4, [r2, #0x0] */
/* busy: */
0xe5924000, /* ldr r4, [r2, #0x0] */
- 0xe3140016, /* tst r4, #0x16 */
+ 0xe1140005, /* tst r4, r5 */
0x1afffffc, /* bne busy */
0xe5924014, /* ldr r4, [r2, #0x14] */
0xe31400ff, /* tst r4, #0xff */
@@ -469,24 +482,14 @@ int str7x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 cou
0xeafffffe, /* b exit */
};
- u8 str7x_flash_write_code_buf[80];
- int i;
-
/* flash write code */
- if (!str7x_info->write_algorithm)
+ if (target_alloc_working_area(target, 4 * 20, &str7x_info->write_algorithm) != ERROR_OK)
{
- if (target_alloc_working_area(target, 4 * 20, &str7x_info->write_algorithm) != ERROR_OK)
- {
- WARNING("no working area available, can't do block memory writes");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- };
-
- /* convert flash writing code into a buffer in target endianness */
- for (i = 0; i < 20; i++)
- target_buffer_set_u32(target, str7x_flash_write_code_buf + i*4, str7x_flash_write_code[i]);
-
- target_write_buffer(target, str7x_info->write_algorithm->address, 20 * 4, str7x_flash_write_code_buf);
- }
+ WARNING("no working area available, can't do block memory writes");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ };
+
+ target_write_buffer(target, str7x_info->write_algorithm->address, 20 * 4, (u8*)str7x_flash_write_code);
/* memory buffer */
while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK)
@@ -501,7 +504,7 @@ int str7x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 cou
WARNING("no large enough working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
- };
+ }
armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
@@ -512,6 +515,7 @@ int str7x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 cou
init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT);
init_reg_param(&reg_params[3], "r3", 32, PARAM_OUT);
init_reg_param(&reg_params[4], "r4", 32, PARAM_IN);
+ init_reg_param(&reg_params[5], "r5", 32, PARAM_OUT);
while (count > 0)
{
@@ -523,8 +527,9 @@ int str7x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 cou
buf_set_u32(reg_params[1].value, 0, 32, address);
buf_set_u32(reg_params[2].value, 0, 32, str7x_get_flash_adr(bank, FLASH_CR0));
buf_set_u32(reg_params[3].value, 0, 32, thisrun_count);
+ buf_set_u32(reg_params[5].value, 0, 32, str7x_info->busy_bits);
- if ((retval = target->type->run_algorithm(target, 0, NULL, 5, reg_params, str7x_info->write_algorithm->address, str7x_info->write_algorithm->address + (19 * 4), 10000, &armv4_5_info)) != ERROR_OK)
+ if ((retval = target->type->run_algorithm(target, 0, NULL, 6, reg_params, str7x_info->write_algorithm->address, str7x_info->write_algorithm->address + (19 * 4), 10000, &armv4_5_info)) != ERROR_OK)
{
ERROR("error executing str7x flash write algorithm");
break;
@@ -542,12 +547,14 @@ int str7x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 cou
}
target_free_working_area(target, source);
+ target_free_working_area(target, str7x_info->write_algorithm);
destroy_reg_param(&reg_params[0]);
destroy_reg_param(&reg_params[1]);
destroy_reg_param(&reg_params[2]);
destroy_reg_param(&reg_params[3]);
destroy_reg_param(&reg_params[4]);
+ destroy_reg_param(&reg_params[5]);
return retval;
}
@@ -555,6 +562,7 @@ int str7x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 cou
int str7x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
{
target_t *target = bank->target;
+ str7x_flash_bank_t *str7x_info = bank->driver_priv;
u32 dwords_remaining = (count / 8);
u32 bytes_remaining = (count & 0x00000007);
u32 address = bank->base + offset;
@@ -647,7 +655,7 @@ int str7x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
cmd = FLASH_DWPG | FLASH_WMS;
target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
- while (((retval = str7x_status(bank)) & (FLASH_BSYA1 | FLASH_BSYA2)))
+ while (((retval = str7x_status(bank)) & str7x_info->busy_bits))
{
usleep(1000);
}
@@ -694,7 +702,7 @@ int str7x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
cmd = FLASH_DWPG | FLASH_WMS;
target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
- while (((retval = str7x_status(bank)) & (FLASH_BSYA1 | FLASH_BSYA2)))
+ while (((retval = str7x_status(bank)) & str7x_info->busy_bits))
{
usleep(1000);
}
@@ -730,3 +738,76 @@ int str7x_info(struct flash_bank_s *bank, char *buf, int buf_size)
snprintf(buf, buf_size, "str7x flash driver info" );
return ERROR_OK;
}
+
+int str7x_handle_disable_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ flash_bank_t *bank;
+ target_t *target = NULL;
+ str7x_flash_bank_t *str7x_info = NULL;
+
+ u32 flash_cmd;
+ u32 retval;
+ u16 ProtectionLevel = 0;
+ u16 ProtectionRegs;
+
+ if (argc < 1)
+ {
+ command_print(cmd_ctx, "str7x disable_jtag <bank>");
+ return ERROR_OK;
+ }
+
+ bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+ if (!bank)
+ {
+ command_print(cmd_ctx, "str7x disable_jtag <bank> ok");
+ return ERROR_OK;
+ }
+
+ str7x_info = bank->driver_priv;
+
+ target = bank->target;
+
+ if (target->state != TARGET_HALTED)
+ {
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ /* first we get protection status */
+ target_read_u32(target, str7x_get_flash_adr(bank, FLASH_NVAPR0), &retval);
+
+ if (!(retval & str7x_info->disable_bit))
+ {
+ ProtectionLevel = 1;
+ }
+
+ target_read_u32(target, str7x_get_flash_adr(bank, FLASH_NVAPR1), &retval);
+ ProtectionRegs = ~(retval >> 16);
+
+ while (((ProtectionRegs) != 0) && (ProtectionLevel < 16))
+ {
+ ProtectionRegs >>= 1;
+ ProtectionLevel++;
+ }
+
+ if (ProtectionLevel == 0)
+ {
+ flash_cmd = FLASH_SPR;
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd);
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), 0x4010DFB8);
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_DR0), 0xFFFFFFFD);
+ flash_cmd = FLASH_SPR | FLASH_WMS;
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd);
+ }
+ else
+ {
+ flash_cmd = FLASH_SPR;
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd);
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), 0x4010DFBC);
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_DR0), ~(1<<(15+ProtectionLevel)));
+ flash_cmd = FLASH_SPR | FLASH_WMS;
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd);
+ }
+
+ return ERROR_OK;
+}
+
diff --git a/src/flash/str7x.h b/src/flash/str7x.h
index a823bb80..bbb64eb9 100644
--- a/src/flash/str7x.h
+++ b/src/flash/str7x.h
@@ -28,6 +28,8 @@ typedef struct str7x_flash_bank_s
int bank1;
u32 *sector_bank;
u32 *sector_bits;
+ u32 disable_bit;
+ u32 busy_bits;
working_area_t *write_algorithm;
} str7x_flash_bank_t;
@@ -69,8 +71,9 @@ enum str7x_status_codes
#define FLASH_SPR 0x01000000
#define FLASH_BER 0x04000000
#define FLASH_MER 0x02000000
-#define FLASH_BSYA1 0x00000002
-#define FLASH_BSYA2 0x00000004
+#define FLASH_LOCK 0x00000010
+#define FLASH_BSYA1 0x00000004
+#define FLASH_BSYA0 0x00000002
/* FLASH_CR1 regsiter bits */
diff --git a/src/flash/str9x.c b/src/flash/str9x.c
index 66b27036..fcbca89b 100644
--- a/src/flash/str9x.c
+++ b/src/flash/str9x.c
@@ -28,6 +28,7 @@
#include "target.h"
#include "log.h"
#include "armv4_5.h"
+#include "arm966e.h"
#include "algorithm.h"
#include "binarybuffer.h"
@@ -351,24 +352,14 @@ int str9x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 cou
0xeafffffe, /* b exit */
};
- u8 str9x_flash_write_code_buf[76];
- int i;
-
/* flash write code */
- if (!str9x_info->write_algorithm)
+ if (target_alloc_working_area(target, 4 * 19, &str9x_info->write_algorithm) != ERROR_OK)
{
- if (target_alloc_working_area(target, 4 * 19, &str9x_info->write_algorithm) != ERROR_OK)
- {
- WARNING("no working area available, can't do block memory writes");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- };
-
- /* convert flash writing code into a buffer in target endianness */
- for (i = 0; i < 19; i++)
- target_buffer_set_u32(target, str9x_flash_write_code_buf + i*4, str9x_flash_write_code[i]);
-
- target_write_buffer(target, str9x_info->write_algorithm->address, 19 * 4, str9x_flash_write_code_buf);
- }
+ WARNING("no working area available, can't do block memory writes");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ };
+
+ target_write_buffer(target, str9x_info->write_algorithm->address, 19 * 4, (u8*)str9x_flash_write_code);
/* memory buffer */
while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK)
@@ -383,7 +374,7 @@ int str9x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 cou
WARNING("no large enough working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
- };
+ }
armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
@@ -406,6 +397,8 @@ int str9x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 cou
if ((retval = target->type->run_algorithm(target, 0, NULL, 4, reg_params, str9x_info->write_algorithm->address, str9x_info->write_algorithm->address + (18 * 4), 10000, &armv4_5_info)) != ERROR_OK)
{
+ target_free_working_area(target, source);
+ target_free_working_area(target, str9x_info->write_algorithm);
ERROR("error executing str9x flash write algorithm");
return ERROR_FLASH_OPERATION_FAILED;
}
@@ -420,6 +413,9 @@ int str9x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 cou
count -= thisrun_count;
}
+ target_free_working_area(target, source);
+ target_free_working_area(target, str9x_info->write_algorithm);
+
destroy_reg_param(&reg_params[0]);
destroy_reg_param(&reg_params[1]);
destroy_reg_param(&reg_params[2]);
@@ -615,10 +611,13 @@ int str9x_handle_flash_config_command(struct command_context_s *cmd_ctx, char *c
/* config flash controller */
target_write_u32(target, FLASH_BBSR, strtoul(args[0], NULL, 0));
target_write_u32(target, FLASH_NBBSR, strtoul(args[1], NULL, 0));
- target_write_u32(target, FLASH_BBADR, (strtoul(args[2], NULL, 0) >> 2));
- target_write_u32(target, FLASH_NBBADR, (strtoul(args[3], NULL, 0) >> 2));
+ target_write_u32(target, FLASH_BBADR, (strtoul(args[2], NULL, 0) >> 2));
+ target_write_u32(target, FLASH_NBBADR, (strtoul(args[3], NULL, 0) >> 2));
+ /* set b18 instruction TCM order as per flash programming manual */
+ arm966e_write_cp15(target, 62, 0x40000);
+
/* enable flash bank 1 */
- target_write_u32(target, FLASH_CR, 0x18);
+ target_write_u32(target, FLASH_CR, 0x18);
return ERROR_OK;
}
diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index f579de1c..74928c87 100644
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -44,6 +44,16 @@
static unsigned short gdb_port;
+enum gdb_detach_mode
+{
+ GDB_DETACH_RESUME,
+ GDB_DETACH_RESET,
+ GDB_DETACH_HALT,
+ GDB_DETACH_NOTHING
+};
+
+enum gdb_detach_mode detach_mode = GDB_DETACH_RESUME;
+
int gdb_last_signal(target_t *target)
{
switch (target->debug_reason)
@@ -172,7 +182,6 @@ int gdb_put_packet(connection_t *connection, char *buffer, int len)
while (1)
{
-
debug_buffer = malloc(len + 1);
memcpy(debug_buffer, buffer, len);
debug_buffer[len] = 0;
@@ -1304,6 +1313,31 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p
return ERROR_OK;
}
+int gdb_detach(connection_t *connection, target_t *target)
+{
+ switch( detach_mode )
+ {
+ case GDB_DETACH_RESUME:
+ target->type->resume(target, 1, 0, 1, 0);
+ break;
+
+ case GDB_DETACH_RESET:
+ target_process_reset(connection->cmd_ctx);
+ break;
+
+ case GDB_DETACH_HALT:
+ target->type->halt(target);
+ break;
+
+ case GDB_DETACH_NOTHING:
+ break;
+ }
+
+ gdb_put_packet(connection, "OK", 2);
+
+ return ERROR_OK;
+}
+
int gdb_input(connection_t *connection)
{
gdb_service_t *gdb_service = connection->service->priv;
@@ -1383,8 +1417,7 @@ int gdb_input(connection_t *connection)
retval = gdb_v_packet(connection, target, packet, packet_size);
break;
case 'D':
- target->type->resume(target, 1, 0, 1, 0);
- gdb_put_packet(connection, "OK", 2);
+ retval = gdb_detach(connection, target);
break;
case 'X':
if ((retval = gdb_write_memory_binary_packet(connection, target, packet, packet_size)) != ERROR_OK)
@@ -1470,10 +1503,42 @@ int handle_gdb_port_command(struct command_context_s *cmd_ctx, char *cmd, char *
return ERROR_OK;
}
+int handle_gdb_detach_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc == 1)
+ {
+ if (strcmp(args[0], "resume") == 0)
+ {
+ detach_mode = GDB_DETACH_RESUME;
+ return ERROR_OK;
+ }
+ else if (strcmp(args[0], "reset") == 0)
+ {
+ detach_mode = GDB_DETACH_RESET;
+ return ERROR_OK;
+ }
+ else if (strcmp(args[0], "halt") == 0)
+ {
+ detach_mode = GDB_DETACH_HALT;
+ return ERROR_OK;
+ }
+ else if (strcmp(args[0], "nothing") == 0)
+ {
+ detach_mode = GDB_DETACH_NOTHING;
+ return ERROR_OK;
+ }
+ }
+
+ WARNING("invalid gdb_detach configuration directive: %s", args[0]);
+ return ERROR_OK;
+}
+
int gdb_register_commands(command_context_t *command_context)
{
register_command(command_context, NULL, "gdb_port", handle_gdb_port_command,
COMMAND_CONFIG, "");
-
+ register_command(command_context, NULL, "gdb_detach", handle_gdb_detach_command,
+ COMMAND_CONFIG, "");
+
return ERROR_OK;
}
diff --git a/src/target/arm966e.c b/src/target/arm966e.c
index 80ccd614..53627a5f 100644
--- a/src/target/arm966e.c
+++ b/src/target/arm966e.c
@@ -226,10 +226,16 @@ int arm966e_read_cp15(target_t *target, int reg_addr, u32 *value)
jtag_add_dr_scan(3, fields, -1, NULL);
- fields[0].in_value = (u8*)value;
+ fields[0].in_handler_priv = value;
+ fields[0].in_handler = arm_jtag_buf_to_u32;
jtag_add_dr_scan(3, fields, -1, NULL);
+#ifdef _DEBUG_INSTRUCTION_EXECUTION_
+ jtag_execute_queue();
+ DEBUG("addr: 0x%x value: %8.8x", reg_addr, *value);
+#endif
+
return ERROR_OK;
}
@@ -241,6 +247,9 @@ int arm966e_write_cp15(target_t *target, int reg_addr, u32 value)
scan_field_t fields[3];
u8 reg_addr_buf = reg_addr & 0x3f;
u8 nr_w_buf = 1;
+ u8 value_buf[4];
+
+ buf_set_u32(value_buf, 0, 32, value);
jtag_add_end_state(TAP_RTI);
arm_jtag_scann(jtag_info, 0xf);
@@ -248,7 +257,7 @@ int arm966e_write_cp15(target_t *target, int reg_addr, u32 value)
fields[0].device = jtag_info->chain_pos;
fields[0].num_bits = 32;
- fields[0].out_value = (u8*)&value;
+ fields[0].out_value = value_buf;
fields[0].out_mask = NULL;
fields[0].in_value = NULL;
fields[0].in_check_value = NULL;
@@ -278,6 +287,10 @@ int arm966e_write_cp15(target_t *target, int reg_addr, u32 value)
jtag_add_dr_scan(3, fields, -1, NULL);
+#ifdef _DEBUG_INSTRUCTION_EXECUTION_
+ DEBUG("addr: 0x%x value: %8.8x", reg_addr, value);
+#endif
+
return ERROR_OK;
}
diff --git a/src/target/arm966e.h b/src/target/arm966e.h
index d4624f6c..7169820b 100644
--- a/src/target/arm966e.h
+++ b/src/target/arm966e.h
@@ -35,4 +35,7 @@ typedef struct arm966e_common_s
u32 cp15_control_reg;
} arm966e_common_t;
+extern int arm966e_read_cp15(target_t *target, int reg_addr, u32 *value);
+extern int arm966e_write_cp15(target_t *target, int reg_addr, u32 value);
+
#endif /* ARM966E_H */
diff --git a/src/target/target.c b/src/target/target.c
index 71ad1e42..f471167b 100644
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -1013,7 +1013,9 @@ int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **a
(*last_target_p)->trace_info->trace_history = NULL;
(*last_target_p)->trace_info->trace_history_pos = 0;
(*last_target_p)->trace_info->trace_history_overflowed = 0;
-
+
+ (*last_target_p)->dbgmsg = NULL;
+
(*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
found = 1;
diff --git a/src/target/target.h b/src/target/target.h
index f6c09c09..ae5fbc43 100644
--- a/src/target/target.h
+++ b/src/target/target.h
@@ -201,6 +201,7 @@ extern int target_register_commands(struct command_context_s *cmd_ctx);
extern int target_register_user_commands(struct command_context_s *cmd_ctx);
extern int target_init(struct command_context_s *cmd_ctx);
extern int handle_target(void *priv);
+extern int target_process_reset(struct command_context_s *cmd_ctx);
extern int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv);
extern int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv);
generated by cgit v1.2.3 (git 2.46.0) at 2024-11-05 02:42:36 +0000