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@ -25,9 +25,7 @@
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* --------------------------------------------------------------------------- */
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/*以上代码是一个类型定义的头文件，用于定义各种数据类型。其中包括基本的整数类型（如UINT8、INT16）、浮点类型（如FLOAT、DOUBLE）、字符类型（CHAR）等。
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此外还定义了一些常用的宏和常量，如NULL、TRUE、FALSE、LOS_OK等。代码中还包含了一些编译器相关的宏定义和属性设置，用于控制变量对齐方式、变量和函数的节
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分配等。该头文件适用于嵌入式系统开发，可以提高代码的可读性和可移植性。*/
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/**
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* @defgroup los_typedef Type define
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* @ingroup kernel
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@ -50,7 +48,8 @@ extern "C" {
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#define OS_STRING(x) #x
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#define X_STRING(x) OS_STRING(x)
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/* type definitions *//*类型定义*/
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/* type definitions */
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//定义数据类型
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typedef unsigned char UINT8;
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typedef unsigned short UINT16;
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typedef unsigned int UINT32;
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@ -61,7 +60,10 @@ typedef float FLOAT;
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typedef double DOUBLE;
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typedef char CHAR;
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#ifdef __LP64__
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//64位数据模型
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typedef long unsigned int UINT64;
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typedef long signed int INT64;
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typedef unsigned long UINTPTR;
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@ -73,6 +75,7 @@ typedef INT64 ssize_t;
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typedef UINT64 size_t;
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#endif
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#else
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//32位数据模型
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typedef unsigned long long UINT64;
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typedef signed long long INT64;
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typedef unsigned int UINTPTR;
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@ -82,7 +85,7 @@ typedef INT32 ssize_t;
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typedef UINT32 size_t;
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#endif
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#endif
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//一些常数的定义
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typedef UINTPTR AARCHPTR;
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typedef size_t BOOL;
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@ -151,7 +154,7 @@ typedef volatile INT64 Atomic64;
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#ifndef LOSARC_ALIGNMENT
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#define LOSARC_ALIGNMENT 8
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#endif
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/* And corresponding power of two alignment *//*使用 2 的幂次方作为对齐大小*/
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/* And corresponding power of two alignment */
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#ifndef LOSARC_P2ALIGNMENT
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#ifdef LOSCFG_AARCH64
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#define LOSARC_P2ALIGNMENT 3
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@ -160,12 +163,12 @@ typedef volatile INT64 Atomic64;
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#endif
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#endif
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/* Give a type or object explicit minimum alignment *//*为类型或对象指定明确的最小对齐方式*/
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/* Give a type or object explicit minimum alignment */
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#if !defined(LOSBLD_ATTRIB_ALIGN)
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#define LOSBLD_ATTRIB_ALIGN(__align__) __attribute__((aligned(__align__)))
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#endif
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/* Assign a defined variable to a specific section *//*将定义的变量分配给特定节*/
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/* Assign a defined variable to a specific section */
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#if !defined(LOSBLD_ATTRIB_SECTION)
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#define LOSBLD_ATTRIB_SECTION(__sect__) __attribute__((section(__sect__)))
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#endif
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@ -176,11 +179,6 @@ typedef volatile INT64 Atomic64;
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* but using the unused attribute should stop warnings.
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*/
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#define LOSBLD_ATTRIB_USED __attribute__((used))
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/*告诉编译器不要丢弃变量或函数。仅已知
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*3.3.2或更高版本提供。旧版本没有把它们扔掉，
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*但是使用未使用的属性应该停止警告*/
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#ifdef __cplusplus
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#if __cplusplus
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