Merge pull request #3725 from kamtom480/fixed_stack

jepler · web-flow · commit f1e2931752c2 · 2020-11-19T10:41:33.000-06:00
Return fixed stack on Spresense
diff --git a/ports/cxd56/supervisor/port.c b/ports/cxd56/supervisor/port.c
@@ -98,8 +98,12 @@ void reset_to_bootloader(void) {
     }
 }
 
+supervisor_allocation _fixed_stack;
+
 supervisor_allocation* port_fixed_stack(void) {
-    return NULL;
+    _fixed_stack.ptr = port_stack_get_limit();
+    _fixed_stack.length = (port_stack_get_top() - port_stack_get_limit()) * sizeof(uint32_t);
+    return &_fixed_stack;
 }
 
 uint32_t *port_stack_get_limit(void) {

Original file line number	Diff line number	Diff line change
`@@ -98,8 +98,12 @@ void reset_to_bootloader(void) {`
`98`	`98`	`}`
`99`	`99`	`}`
`100`	`100`
	`101`	`+supervisor_allocation _fixed_stack;`
	`102`	`+`
`101`	`103`	`supervisor_allocation* port_fixed_stack(void) {`
`102`		`- return NULL;`
	`104`	`+ _fixed_stack.ptr = port_stack_get_limit();`
	`105`	`+ _fixed_stack.length = (port_stack_get_top() - port_stack_get_limit()) * sizeof(uint32_t);`
	`106`	`+ return &_fixed_stack;`
`103`	`107`	`}`
`104`	`108`
`105`	`109`	`uint32_t *port_stack_get_limit(void) {`