aboutsummaryrefslogtreecommitdiff
path: root/src/rtos
diff options
context:
space:
mode:
Diffstat (limited to 'src/rtos')
-rw-r--r--src/rtos/ChibiOS.c57
1 files changed, 29 insertions, 28 deletions
diff --git a/src/rtos/ChibiOS.c b/src/rtos/ChibiOS.c
index 71f929fe..7d1f5cf8 100644
--- a/src/rtos/ChibiOS.c
+++ b/src/rtos/ChibiOS.c
@@ -191,6 +191,15 @@ static int ChibiOS_update_memory_signature(struct rtos *rtos)
"running version %i.%i.%i", GET_CH_KERNEL_MAJOR(ch_version),
GET_CH_KERNEL_MINOR(ch_version), GET_CH_KERNEL_PATCH(ch_version));
+ /* Currently, we have the inherent assumption that all address pointers
+ * are 32 bit wide. */
+ if (signature->ch_ptrsize != sizeof(uint32_t)) {
+ LOG_ERROR("ChibiOS/RT target memory signature claims an address"
+ "width unequal to 32 bits!");
+ free(signature);
+ return -1;
+ }
+
param->signature = signature;
return 0;
@@ -306,6 +315,7 @@ static int ChibiOS_update_threads(struct rtos *rtos)
* parse the double linked thread list to check for errors and the number of
* threads. */
const uint32_t rlist = rtos->symbols[ChibiOS_VAL_rlist].address;
+ const struct ChibiOS_chdebug *signature = param->signature;
uint32_t current;
uint32_t previous;
uint32_t older;
@@ -313,10 +323,8 @@ static int ChibiOS_update_threads(struct rtos *rtos)
current = rlist;
previous = rlist;
while (1) {
- retval = target_read_buffer(rtos->target,
- current + param->signature->cf_off_newer,
- param->signature->ch_ptrsize,
- (uint8_t *)&current);
+ retval = target_read_u32(rtos->target,
+ current + signature->cf_off_newer, &current);
if (retval != ERROR_OK) {
LOG_ERROR("Could not read next ChibiOS thread");
return retval;
@@ -330,10 +338,8 @@ static int ChibiOS_update_threads(struct rtos *rtos)
break;
}
/* Fetch previous thread in the list as a integrity check. */
- retval = target_read_buffer(rtos->target,
- current + param->signature->cf_off_older,
- param->signature->ch_ptrsize,
- (uint8_t *)&older);
+ retval = target_read_u32(rtos->target,
+ current + signature->cf_off_older, &older);
if ((retval != ERROR_OK) || (older == 0) || (older != previous)) {
LOG_ERROR("ChibiOS registry integrity check failed, "
"double linked list violation");
@@ -388,10 +394,8 @@ static int ChibiOS_update_threads(struct rtos *rtos)
uint32_t name_ptr = 0;
char tmp_str[CHIBIOS_THREAD_NAME_STR_SIZE];
- retval = target_read_buffer(rtos->target,
- current + param->signature->cf_off_newer,
- param->signature->ch_ptrsize,
- (uint8_t *)&current);
+ retval = target_read_u32(rtos->target,
+ current + signature->cf_off_newer, &current);
if (retval != ERROR_OK) {
LOG_ERROR("Could not read next ChibiOS thread");
return -6;
@@ -405,10 +409,8 @@ static int ChibiOS_update_threads(struct rtos *rtos)
curr_thrd_details->threadid = current;
/* read the name pointer */
- retval = target_read_buffer(rtos->target,
- current + param->signature->cf_off_name,
- param->signature->ch_ptrsize,
- (uint8_t *)&name_ptr);
+ retval = target_read_u32(rtos->target,
+ current + signature->cf_off_name, &name_ptr);
if (retval != ERROR_OK) {
LOG_ERROR("Could not read ChibiOS thread name pointer from target");
return retval;
@@ -435,9 +437,8 @@ static int ChibiOS_update_threads(struct rtos *rtos)
uint8_t threadState;
const char *state_desc;
- retval = target_read_buffer(rtos->target,
- current + param->signature->cf_off_state,
- 1, &threadState);
+ retval = target_read_u8(rtos->target,
+ current + signature->cf_off_state, &threadState);
if (retval != ERROR_OK) {
LOG_ERROR("Error reading thread state from ChibiOS target");
return retval;
@@ -458,15 +459,17 @@ static int ChibiOS_update_threads(struct rtos *rtos)
curr_thrd_details++;
}
+
+ uint32_t current_thrd;
/* NOTE: By design, cf_off_name equals readylist_current_offset */
- retval = target_read_buffer(rtos->target,
- rlist + param->signature->cf_off_name,
- param->signature->ch_ptrsize,
- (uint8_t *)&rtos->current_thread);
+ retval = target_read_u32(rtos->target,
+ current + signature->cf_off_name,
+ &current_thrd);
if (retval != ERROR_OK) {
LOG_ERROR("Could not read current Thread from ChibiOS target");
return retval;
}
+ rtos->current_thread = current_thrd;
return 0;
}
@@ -475,7 +478,7 @@ static int ChibiOS_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, cha
{
int retval;
const struct ChibiOS_params *param;
- int64_t stack_ptr = 0;
+ uint32_t stack_ptr = 0;
*hex_reg_list = NULL;
if ((rtos == NULL) || (thread_id == 0) ||
@@ -495,10 +498,8 @@ static int ChibiOS_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, cha
}
/* Read the stack pointer */
- retval = target_read_buffer(rtos->target,
- thread_id + param->signature->cf_off_ctx,
- param->signature->ch_ptrsize,
- (uint8_t *)&stack_ptr);
+ retval = target_read_u32(rtos->target,
+ thread_id + param->signature->cf_off_ctx, &stack_ptr);
if (retval != ERROR_OK) {
LOG_ERROR("Error reading stack frame from ChibiOS thread");
return retval;