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-rw-r--r--libcpu/aarch64/common/backtrace.c2
-rw-r--r--libcpu/aarch64/common/mmu.c2
-rw-r--r--libcpu/arm/cortex-a/pmu.c1
3 files changed, 3 insertions, 2 deletions
diff --git a/libcpu/aarch64/common/backtrace.c b/libcpu/aarch64/common/backtrace.c
index 440d02d6fb..0365ec71e4 100644
--- a/libcpu/aarch64/common/backtrace.c
+++ b/libcpu/aarch64/common/backtrace.c
@@ -85,7 +85,7 @@ rt_err_t rt_hw_backtrace_frame_unwind(rt_thread_t thread, struct rt_hw_backtrace
if (fp && !((long)fp & 0x7))
{
#ifdef RT_USING_SMART
- if (thread && thread->lwp)
+ if (thread && thread->lwp && rt_scheduler_is_available())
{
rt_lwp_t lwp = thread->lwp;
void *this_lwp = lwp_self();
diff --git a/libcpu/aarch64/common/mmu.c b/libcpu/aarch64/common/mmu.c
index d870a73b0f..92f1471118 100644
--- a/libcpu/aarch64/common/mmu.c
+++ b/libcpu/aarch64/common/mmu.c
@@ -602,7 +602,7 @@ static int _map_single_page_2M(unsigned long *lv0_tbl, unsigned long va,
return 0;
}
-void *rt_hw_mmu_tbl_get()
+void *rt_hw_mmu_tbl_get(void)
{
uintptr_t tbl;
__asm__ volatile("MRS %0, TTBR0_EL1" : "=r"(tbl));
diff --git a/libcpu/arm/cortex-a/pmu.c b/libcpu/arm/cortex-a/pmu.c
index 4b62849a1a..68abed4e19 100644
--- a/libcpu/arm/cortex-a/pmu.c
+++ b/libcpu/arm/cortex-a/pmu.c
@@ -21,4 +21,5 @@ void rt_hw_pmu_dump_feature(void)
LOG_D("ARM PMU Implementor: %c, ID code: %02x, %d counters\n",
reg >> 24, (reg >> 16) & 0xff, (reg >> 11) & 0x1f);
RT_ASSERT(ARM_PMU_CNTER_NR == ((reg >> 11) & 0x1f));
+ RT_UNUSED(reg);
}