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altos/ao_button.c: Support up to 16 buttons
[fw/altos]
/
src
/
kernel
/
ao_task.h
diff --git
a/src/kernel/ao_task.h
b/src/kernel/ao_task.h
index f1dbd65426ae709353c0f226eda63a42c76ecaef..7549b59838d6abbc4c85a22e5b42ae4ce7e9449e 100644
(file)
--- a/
src/kernel/ao_task.h
+++ b/
src/kernel/ao_task.h
@@
-26,6
+26,17
@@
#define HAS_TASK_INFO 1
#endif
#define HAS_TASK_INFO 1
#endif
+/* arm stacks must be 32-bit aligned */
+#ifdef __arm__
+#define AO_STACK_ALIGNMENT __attribute__ ((aligned(4)))
+#endif
+#ifdef SDCC
+#define AO_STACK_ALIGNMENT
+#endif
+#ifdef __AVR__
+#define AO_STACK_ALIGNMENT
+#endif
+
/* An AltOS task */
struct ao_task {
__xdata void *wchan; /* current wait channel (NULL if running) */
/* An AltOS task */
struct ao_task {
__xdata void *wchan; /* current wait channel (NULL if running) */
@@
-33,11
+44,14
@@
struct ao_task {
ao_arch_task_members /* any architecture-specific fields */
uint8_t task_id; /* unique id */
__code char *name; /* task name */
ao_arch_task_members /* any architecture-specific fields */
uint8_t task_id; /* unique id */
__code char *name; /* task name */
+#ifdef NEWLIB
+ int __errno; /* storage for errno in newlib libc */
+#endif
#if HAS_TASK_QUEUE
struct ao_list queue;
struct ao_list alarm_queue;
#endif
#if HAS_TASK_QUEUE
struct ao_list queue;
struct ao_list alarm_queue;
#endif
- uint8_t stack[AO_STACK_SIZE]
;
/* saved stack */
+ uint8_t stack[AO_STACK_SIZE]
AO_STACK_ALIGNMENT;
/* saved stack */
#if HAS_SAMPLE_PROFILE
uint32_t ticks;
uint32_t yields;
#if HAS_SAMPLE_PROFILE
uint32_t ticks;
uint32_t yields;