diff options
Diffstat (limited to 'libmaple/syscalls.c')
| -rw-r--r-- | libmaple/syscalls.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/libmaple/syscalls.c b/libmaple/syscalls.c index f28202c..a3f12f1 100644 --- a/libmaple/syscalls.c +++ b/libmaple/syscalls.c @@ -29,20 +29,12 @@ #include <sys/stat.h> #include <errno.h> -/* Set by the linker script */ -extern int _end; +/* Set by the linker */ +extern char _lm_heap_start; +extern char _lm_heap_end; -/* FIXME these should be determined by the linker script. - * - * Doing so will allow the heap to be configured on a per-board basis. - * Current values are just stopgaps for a heap in built-in SRAM. - * - * STACK_RESERVED_BYTES is just a hack to ensure a minimum stack size. - * It should probably go away as well. */ -#define STACK_RESERVED_BYTES 1024 -#define HEAP_START ((caddr_t)&_end) -#define HEAP_END ((caddr_t)((uint32)STM32_SRAM_END - \ - STACK_RESERVED_BYTES)) +#define HEAP_START ((caddr_t)&_lm_heap_start) +#define HEAP_END ((caddr_t)&_lm_heap_end) /* * _sbrk -- Increment the program break. |