riot-ci/RIOT
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge pull request #15463 from maribu/riscv-cast-align

Browse Source 
cpu/fe310: Silence -Wcast-align
This commit is contained in:
benpicco 2020-11-19 19:05:53 +01:00 committed by GitHub
commit 5e819632be
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
cpu/fe310/thread_arch.c
View File

@ -91,10 +91,10 @@ char *thread_stack_init(thread_task_func_t task_func,
*stk_top = STACK_MARKER;
/* per ABI align stack pointer to 16 byte boundary. */
stk_top = (uint32_t *)(((uint32_t)stk_top) & ~((uint32_t)0xf));
stk_top = (uint32_t *)(((uintptr_t)stk_top) & ~((uintptr_t)0xf));
/* reserve space for the stack frame. */
stk_top = (uint32_t *)((uint8_t *) stk_top - sizeof(*sf));
stk_top = (uint32_t *)((uintptr_t)stk_top - sizeof(*sf));
/* populate the stack frame with default values for starting the thread. */
sf = (struct context_switch_frame *) stk_top;
@ -120,7 +120,10 @@ void thread_print_stack(void)
return;
}
uint32_t *sp = (uint32_t *)active_thread->sp;
/* thread_init aligns stack pointer to 16 byte boundary, the cast below
* is therefore safe. Use intermediate cast to uintptr_t to silence
* -Wcast-align */
uint32_t *sp = (uint32_t *)(uintptr_t)active_thread->sp;
printf("printing the current stack of thread %" PRIkernel_pid "\n",
thread_getpid());