#include "helper/types.h"
#include "rtos_chibios_stackings.h"
-
/**
* @brief ChibiOS/RT memory signature record.
*
/**
* @brief ChibiOS thread states.
*/
-const char *ChibiOS_thread_states[] = {
+static const char * const ChibiOS_thread_states[] = {
"READY", "CURRENT", "SUSPENDED", "WTSEM", "WTMTX", "WTCOND", "SLEEPING",
"WTEXIT", "WTOREVT", "WTANDEVT", "SNDMSGQ", "SNDMSG", "WTMSG", "WTQUEUE",
"FINAL"
const struct rtos_register_stacking *stacking_info;
};
-struct ChibiOS_params ChibiOS_params_list[] = {
+static struct ChibiOS_params ChibiOS_params_list[] = {
{
"cortex_m", /* target_name */
0,
.get_symbol_list_to_lookup = ChibiOS_get_symbol_list_to_lookup,
};
+
+/* In ChibiOS/RT 3.0 the rlist structure has become part of a system
+ * data structure ch. We declare both symbols as optional and later
+ * use whatever is available.
+ */
+
enum ChibiOS_symbol_values {
ChibiOS_VAL_rlist = 0,
- ChibiOS_VAL_ch_debug = 1,
- ChibiOS_VAL_chSysInit = 2
+ ChibiOS_VAL_ch = 1,
+ ChibiOS_VAL_ch_debug = 2,
+ ChibiOS_VAL_chSysInit = 3
};
-static char *ChibiOS_symbol_list[] = {
- "rlist", /* Thread ready list*/
- "ch_debug", /* Memory Signatur containing offsets of fields in rlist*/
- "chSysInit", /* Necessary part of API, used for ChibiOS detection*/
- NULL
+static symbol_table_elem_t ChibiOS_symbol_list[] = {
+ { "rlist", 0, true}, /* Thread ready list */
+ { "ch", 0, true}, /* System data structure */
+ { "ch_debug", 0, false}, /* Memory Signature containing offsets of fields in rlist */
+ { "chSysInit", 0, false}, /* Necessary part of API, used for ChibiOS detection */
+ { NULL, 0, false}
};
+/* Offset of the rlist structure within the system data structure (ch) */
+#define CH_RLIST_OFFSET 0x00
+
static int ChibiOS_update_memory_signature(struct rtos *rtos)
{
int retval;
/* Check if CP10 and CP11 are set to full access.
* In ChibiOS this is done in ResetHandler() in crt0.c */
if (cpacr & 0x00F00000) {
- /* Found target with enabled FPU */
- /* FIXME: Need to figure out how to specify the FPU registers */
- LOG_ERROR("ChibiOS ARM v7m targets with enabled FPU "
- " are NOT supported");
- return -1;
+ LOG_DEBUG("Enabled FPU detected.");
+ param->stacking_info = &rtos_chibios_arm_v7m_stacking_w_fpu;
+ return 0;
}
}
/* ChibiOS does not save the current thread count. We have to first
* 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 uint32_t rlist = rtos->symbols[ChibiOS_VAL_rlist].address ?
+ rtos->symbols[ChibiOS_VAL_rlist].address :
+ rtos->symbols[ChibiOS_VAL_ch].address + CH_RLIST_OFFSET /* ChibiOS3 */;
const struct ChibiOS_chdebug *signature = param->signature;
uint32_t current;
uint32_t previous;
static int ChibiOS_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[])
{
- unsigned int i;
- *symbol_list = malloc(
- sizeof(symbol_table_elem_t) * ARRAY_SIZE(ChibiOS_symbol_list));
-
- for (i = 0; i < ARRAY_SIZE(ChibiOS_symbol_list); i++)
- (*symbol_list)[i].symbol_name = ChibiOS_symbol_list[i];
-
+ *symbol_list = ChibiOS_symbol_list;
return 0;
}
static int ChibiOS_detect_rtos(struct target *target)
{
if ((target->rtos->symbols != NULL) &&
- (target->rtos->symbols[ChibiOS_VAL_rlist].address != 0) &&
+ ((target->rtos->symbols[ChibiOS_VAL_rlist].address != 0) ||
+ (target->rtos->symbols[ChibiOS_VAL_ch].address != 0)) &&
(target->rtos->symbols[ChibiOS_VAL_chSysInit].address != 0)) {
if (target->rtos->symbols[ChibiOS_VAL_ch_debug].address == 0) {
return -1;
}
- target->rtos->rtos_specific_params = &ChibiOS_params_list[i];
+ target->rtos->rtos_specific_params = (void *) &ChibiOS_params_list[i];
return 0;
}