From b4229d760e9fad42dd4707f508a1524227f1a7e1 Mon Sep 17 00:00:00 2001 From: hahahazhangyan <3316749729@qq.com> Date: Sun, 31 Dec 2023 22:35:05 +0800 Subject: [PATCH] 111 --- .../kernel/base/core/los_bitmap.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel_liteos_a-OpenHarmony-v3.1.7-Release/kernel/base/core/los_bitmap.c b/kernel_liteos_a-OpenHarmony-v3.1.7-Release/kernel/base/core/los_bitmap.c index 4e8b8600..954a66fc 100644 --- a/kernel_liteos_a-OpenHarmony-v3.1.7-Release/kernel/base/core/los_bitmap.c +++ b/kernel_liteos_a-OpenHarmony-v3.1.7-Release/kernel/base/core/los_bitmap.c @@ -38,6 +38,7 @@ #define OS_BITMAP_WORD_MASK ~0UL /* find first zero bit starting from LSB */ +//这段代码的功能与位图操作有关,可能是用于设置、清除或检查位图中特定位置的状态或标志 STATIC INLINE UINT16 Ffz(UINTPTR x) { return __builtin_ffsl(~x) - 1;