diff options
Diffstat (limited to 'esp8266/gccollect.c')
| -rw-r--r-- | esp8266/gccollect.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/esp8266/gccollect.c b/esp8266/gccollect.c index 46f9bb94ce..541500292e 100644 --- a/esp8266/gccollect.c +++ b/esp8266/gccollect.c @@ -29,17 +29,12 @@ #include "py/gc.h" #include "gccollect.h" -STATIC uint32_t stack_end; +// As we do not have control over the application entry point, there is no way +// to figure out the real stack base on runtime, so it needs to be hardcoded +#define STACK_END 0x40000000 mp_uint_t gc_helper_get_regs_and_sp(mp_uint_t *regs); -void gc_collect_init(void) { - mp_uint_t regs[8]; - mp_uint_t sp = gc_helper_get_regs_and_sp(regs); - stack_end = sp; - //printf("stack=%p ram_end=%p %d\n", stack_end, &_ram_end); -} - void gc_collect(void) { // start the GC gc_collect_start(); @@ -53,7 +48,7 @@ void gc_collect(void) { mp_uint_t sp = gc_helper_get_regs_and_sp(regs); // trace the stack, including the registers (since they live on the stack in this function) - gc_collect_root((void**)sp, (stack_end - sp) / sizeof(uint32_t)); + gc_collect_root((void**)sp, (STACK_END - sp) / sizeof(uint32_t)); // end the GC gc_collect_end(); |