anchao commented on a change in pull request #5645:
URL: https://github.com/apache/incubator-nuttx/pull/5645#discussion_r825631832
##########
File path: arch/arm/src/armv7-m/arm_initialstate.c
##########
@@ -76,16 +80,24 @@ void up_initial_state(struct tcb_s *tcb)
arm_stack_color(tcb->stack_alloc_ptr, 0);
#endif /* CONFIG_STACK_COLORATION */
+
+ return;
}
- /* Initialize the initial exception register context structure */
+ /* Initialize the context registers to stack top */
- memset(xcp, 0, sizeof(struct xcptcontext));
+ xcp->regs = (FAR void *)(STACK_ALIGN_DOWN(
+ (uint32_t)tcb->stack_base_ptr +
+ tcb->adj_stack_size -
+ XCPTCONTEXT_SIZE));
Review comment:
Done
##########
File path: arch/arm/src/armv7-r/arm_initialstate.c
##########
@@ -73,16 +77,24 @@ void up_initial_state(struct tcb_s *tcb)
arm_stack_color(tcb->stack_alloc_ptr, 0);
#endif /* CONFIG_STACK_COLORATION */
+
+ return;
}
- /* Initialize the initial exception register context structure */
+ /* Initialize the context registers to stack top */
- memset(xcp, 0, sizeof(struct xcptcontext));
+ xcp->regs = (FAR void *)(STACK_ALIGN_DOWN(
+ (uint32_t)tcb->stack_base_ptr +
+ tcb->adj_stack_size -
+ XCPTCONTEXT_SIZE));
Review comment:
Done
##########
File path: arch/arm/src/armv8-m/arm_initialstate.c
##########
@@ -76,16 +80,24 @@ void up_initial_state(struct tcb_s *tcb)
arm_stack_color(tcb->stack_alloc_ptr, 0);
#endif /* CONFIG_STACK_COLORATION */
+
+ return;
}
- /* Initialize the initial exception register context structure */
+ /* Initialize the context registers to stack top */
- memset(xcp, 0, sizeof(struct xcptcontext));
+ xcp->regs = (FAR void *)(STACK_ALIGN_DOWN(
+ (uint32_t)tcb->stack_base_ptr +
+ tcb->adj_stack_size -
+ XCPTCONTEXT_SIZE));
Review comment:
Done
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