Add more detailed comments for many of the Base Types

Remove all declarations of UINT8_MAX.  Use BIT8-1 instead.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6909 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney
2008-12-07 23:10:08 +00:00
parent 2a3f6a21d3
commit f4ec40abd6
5 changed files with 777 additions and 61 deletions

View File

@@ -101,101 +101,256 @@
//
// use Microsoft C complier dependent integer width types
//
///
/// 8-byte unsigned value
///
typedef unsigned __int64 UINT64;
///
/// 8-byte signed value
///
typedef __int64 INT64;
///
/// 4-byte unsigned value
///
typedef unsigned __int32 UINT32;
///
/// 4-byte signed value
///
typedef __int32 INT32;
///
/// 2-byte unsigned value
///
typedef unsigned short UINT16;
///
/// 2-byte Character. Unless otherwise specified all strings are stored in the
/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
///
typedef unsigned short CHAR16;
///
/// 2-byte signed value
///
typedef short INT16;
///
/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
/// values are undefined.
///
typedef unsigned char BOOLEAN;
///
/// 1-byte unsigned value
///
typedef unsigned char UINT8;
///
/// 1-byte Character
///
typedef char CHAR8;
///
/// 1-byte signed value
///
typedef char INT8;
#else
#ifdef _EFI_P64
//
// P64 - pointers being 64-bit and longs and ints are 32-bits.
//
///
/// 8-byte unsigned value
///
typedef unsigned long long UINT64;
///
/// 8-byte signed value
///
typedef long long INT64;
///
/// 4-byte unsigned value
///
typedef unsigned int UINT32;
///
/// 4-byte signed value
///
typedef int INT32;
///
/// 2-byte Character. Unless otherwise specified all strings are stored in the
/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
///
typedef unsigned short CHAR16;
///
/// 2-byte unsigned value
///
typedef unsigned short UINT16;
///
/// 2-byte signed value
///
typedef short INT16;
///
/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
/// values are undefined.
///
typedef unsigned char BOOLEAN;
///
/// 1-byte unsigned value
///
typedef unsigned char UINT8;
///
/// 1-byte Character
///
typedef char CHAR8;
///
/// 1-byte signed value
///
typedef char INT8;
#else
//
// Assume LP64 - longs and pointers are 64-bit. Ints are 32-bit.
//
///
/// 8-byte unsigned value
///
typedef unsigned long UINT64;
///
/// 8-byte signed value
///
typedef long INT64;
///
/// 4-byte unsigned value
///
typedef unsigned int UINT32;
///
/// 4-byte signed value
///
typedef int INT32;
///
/// 2-byte unsigned value
///
typedef unsigned short UINT16;
///
/// 2-byte Character. Unless otherwise specified all strings are stored in the
/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
///
typedef unsigned short CHAR16;
///
/// 2-byte signed value
///
typedef short INT16;
///
/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
/// values are undefined.
///
typedef unsigned char BOOLEAN;
///
/// 1-byte unsigned value
///
typedef unsigned char UINT8;
///
/// 1-byte Character
///
typedef char CHAR8;
///
/// 1-byte signed value
///
typedef char INT8;
#endif
#endif
#define UINT8_MAX 0xff
#else
//
// Use ANSI C 2000 stdint.h integer width declarations
//
#include <stdint.h>
///
/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
/// values are undefined.
///
typedef uint8_t BOOLEAN;
///
/// 1-byte signed value
///
typedef int8_t INT8;
///
/// 1-byte unsigned value
///
typedef uint8_t UINT8;
///
/// 2-byte signed value
///
typedef int16_t INT16;
///
/// 2-byte unsigned value
///
typedef uint16_t UINT16;
///
/// 4-byte signed value
///
typedef int32_t INT32;
///
/// 4-byte unsigned value
///
typedef uint32_t UINT32;
///
/// 8-byte signed value
///
typedef int64_t INT64;
///
/// 8-byte unsigned value
///
typedef uint64_t UINT64;
///
/// 1-byte Character
///
typedef char CHAR8;
///
/// 2-byte Character. Unless otherwise specified all strings are stored in the
/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
///
typedef uint16_t CHAR16;
#endif
///
/// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions,
/// 8 bytes on supported 64-bit processor instructions)
///
typedef UINT64 UINTN;
///
/// Signed value of native width. (4 bytes on supported 32-bit processor instructions,
/// 8 bytes on supported 64-bit processor instructions)
///
typedef INT64 INTN;
//
// Processor specific defines
//
///
/// A value of native width with the highest bit set.
///
#define MAX_BIT 0x8000000000000000ULL
///
/// A value of native width with the two highest bits set.
///
#define MAX_2_BITS 0xC000000000000000ULL
//
// Maximum legal x64 address
//
///
/// Maximum legal x64 address
///
#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFFULL
//
// The stack alignment required for x64
//
///
/// The stack alignment required for x64
///
#define CPU_STACK_ALIGNMENT 16
//
// Modifier to ensure that all protocol member functions and EFI intrinsics
// use the correct C calling convention. All protocol member functions and
// EFI intrinsics are required to modify thier member functions with EFIAPI.
// EFI intrinsics are required to modify their member functions with EFIAPI.
//
#if _MSC_EXTENSIONS
///
/// Define the standard calling convention reguardless of optimization level.
/// __cdecl is Microsoft* specific C extension.
/// Microsoft* compiler specific method for EFIAPI calling convension
///
#define EFIAPI __cdecl
#elif __GNUC__
@@ -222,8 +377,18 @@ typedef INT64 INTN;
// a non standard extension
//
#if _MSC_EXTENSIONS
///
/// Remove global variable from the linked image if there are no references to
/// it after all compiler and linker optimizations have been performed.
///
///
#define GLOBAL_REMOVE_IF_UNREFERENCED __declspec(selectany)
#else
///
/// Remove global variable from the linked image if there are no references to
/// it after all compiler and linker optimizations have been performed.
///
///
#define GLOBAL_REMOVE_IF_UNREFERENCED
#endif