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/** @file
Root include file for Mde Package Base type modules
This is the include file for any module of type base. Base modules only use
types defined via this include file and can be ported easily to any
environment. There are a set of base libraries in the Mde Package that can
be used to implement base modules.
Copyright (c) 2006 - 2007, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __BASE_H__
#define __BASE_H__
//
// Include processor specific binding
//
#include <ProcessorBind.h>
typedef struct {
UINT32 Data1;
UINT16 Data2;
UINT16 Data3;
UINT8 Data4[8];
} GUID;
typedef UINT64 PHYSICAL_ADDRESS;
//
// LIST_ENTRY definition
//
typedef struct _LIST_ENTRY LIST_ENTRY;
struct _LIST_ENTRY {
LIST_ENTRY *ForwardLink;
LIST_ENTRY *BackLink;
};
//
// Modifiers to absract standard types to aid in debug of problems
//
#define CONST const
#define STATIC static
#define VOID void
//
// Modifiers for Data Types used to self document code.
// This concept is borrowed for UEFI specification.
//
#ifndef IN
//
// Some other envirnments use this construct, so #ifndef to prevent
// mulitple definition.
//
#define IN
#define OUT
#define OPTIONAL
#endif
//
// Constants. They may exist in other build structures, so #ifndef them.
//
#ifndef TRUE
//
// UEFI specification claims 1 and 0. We are concerned about the
// complier portability so we did it this way.
//
#define TRUE ((BOOLEAN)(1==1))
#endif
#ifndef FALSE
#define FALSE ((BOOLEAN)(0==1))
#endif
#ifndef NULL
#define NULL ((VOID *) 0)
#endif
#define BIT0 0x00000001
#define BIT1 0x00000002
#define BIT2 0x00000004
#define BIT3 0x00000008
#define BIT4 0x00000010
#define BIT5 0x00000020
#define BIT6 0x00000040
#define BIT7 0x00000080
#define BIT8 0x00000100
#define BIT9 0x00000200
#define BIT10 0x00000400
#define BIT11 0x00000800
#define BIT12 0x00001000
#define BIT13 0x00002000
#define BIT14 0x00004000
#define BIT15 0x00008000
#define BIT16 0x00010000
#define BIT17 0x00020000
#define BIT18 0x00040000
#define BIT19 0x00080000
#define BIT20 0x00100000
#define BIT21 0x00200000
#define BIT22 0x00400000
#define BIT23 0x00800000
#define BIT24 0x01000000
#define BIT25 0x02000000
#define BIT26 0x04000000
#define BIT27 0x08000000
#define BIT28 0x10000000
#define BIT29 0x20000000
#define BIT30 0x40000000
#define BIT31 0x80000000
#define BIT32 0x0000000100000000UL
#define BIT33 0x0000000200000000UL
#define BIT34 0x0000000400000000UL
#define BIT35 0x0000000800000000UL
#define BIT36 0x0000001000000000UL
#define BIT37 0x0000002000000000UL
#define BIT38 0x0000004000000000UL
#define BIT39 0x0000008000000000UL
#define BIT40 0x0000010000000000UL
#define BIT41 0x0000020000000000UL
#define BIT42 0x0000040000000000UL
#define BIT43 0x0000080000000000UL
#define BIT44 0x0000100000000000UL
#define BIT45 0x0000200000000000UL
#define BIT46 0x0000400000000000UL
#define BIT47 0x0000800000000000UL
#define BIT48 0x0001000000000000UL
#define BIT49 0x0002000000000000UL
#define BIT50 0x0004000000000000UL
#define BIT51 0x0008000000000000UL
#define BIT52 0x0010000000000000UL
#define BIT53 0x0020000000000000UL
#define BIT54 0x0040000000000000UL
#define BIT55 0x0080000000000000UL
#define BIT56 0x0100000000000000UL
#define BIT57 0x0200000000000000UL
#define BIT58 0x0400000000000000UL
#define BIT59 0x0800000000000000UL
#define BIT60 0x1000000000000000UL
#define BIT61 0x2000000000000000UL
#define BIT62 0x4000000000000000UL
#define BIT63 0x8000000000000000UL
//
// Support for variable length argument lists using the ANSI standard.
//
// Since we are using the ANSI standard we used the standard nameing and
// did not folow the coding convention
//
// VA_LIST - typedef for argument list.
// VA_START (VA_LIST Marker, argument before the ...) - Init Marker for use.
// VA_END (VA_LIST Marker) - Clear Marker
// VA_ARG (VA_LIST Marker, var arg size) - Use Marker to get an argumnet from
// the ... list. You must know the size and pass it in this macro.
//
// example:
//
// UINTN
// ExampleVarArg (
// IN UINTN NumberOfArgs,
// ...
// )
// {
// VA_LIST Marker;
// UINTN Index;
// UINTN Result;
//
// //
// // Initialize the Marker
// //
// VA_START (Marker, NumberOfArgs);
// for (Index = 0, Result = 0; Index < NumberOfArgs; Index++) {
// //
// // The ... list is a series of UINTN values, so average them up.
// //
// Result += VA_ARG (Marker, UINTN);
// }
//
// VA_END (Marker);
// return Result
// }
//
#define _INT_SIZE_OF(n) ((sizeof (n) + sizeof (UINTN) - 1) &~(sizeof (UINTN) - 1))
//
// Also support coding convention rules for var arg macros
//
#ifndef VA_START
typedef CHAR8 *VA_LIST;
#define VA_START(ap, v) (ap = (VA_LIST) & (v) + _INT_SIZE_OF (v))
#define VA_ARG(ap, t) (*(t *) ((ap += _INT_SIZE_OF (t)) - _INT_SIZE_OF (t)))
#define VA_END(ap) (ap = (VA_LIST) 0)
#endif
//
// Macro that returns the byte offset of a field in a data structure.
//
#define OFFSET_OF(TYPE, Field) ((UINTN) &(((TYPE *)0)->Field))
///
/// CONTAINING_RECORD - returns a pointer to the structure
/// from one of it's elements.
///
#define _CR(Record, TYPE, Field) ((TYPE *) ((CHAR8 *) (Record) - (CHAR8 *) &(((TYPE *) 0)->Field)))
///
/// ALIGN_POINTER - aligns a pointer to the lowest boundry
///
#define ALIGN_POINTER(p, s) ((VOID *) ((UINTN)(p) + (((s) - ((UINTN) (p))) & ((s) - 1))))
///
/// ALIGN_VARIABLE - aligns a variable up to the next natural boundry for int size of a processor
///
#define ALIGN_VARIABLE(Value, Adjustment) \
Adjustment = 0U; \
if ((UINTN) (Value) % sizeof (UINTN)) { \
(Adjustment) = (UINTN)(sizeof (UINTN) - ((UINTN) (Value) % sizeof (UINTN))); \
} \
(Value) = (UINTN)((UINTN) (Value) + (UINTN) (Adjustment))
//
// Return the maximum of two operands.
// This macro returns the maximum of two operand specified by a and b.
// Both a and b must be the same numerical types, signed or unsigned.
//
#define MAX(a, b) \
(((a) > (b)) ? (a) : (b))
//
// Return the minimum of two operands.
// This macro returns the minimal of two operand specified by a and b.
// Both a and b must be the same numerical types, signed or unsigned.
//
#define MIN(a, b) \
(((a) < (b)) ? (a) : (b))
//
// EFI Error Codes common to all execution phases
//
typedef INTN RETURN_STATUS;
///
/// Set the upper bit to indicate EFI Error.
///
#define ENCODE_ERROR(a) (MAX_BIT | (a))
#define ENCODE_WARNING(a) (a)
#define RETURN_ERROR(a) ((INTN) (a) < 0)
#define RETURN_SUCCESS 0
#define RETURN_LOAD_ERROR ENCODE_ERROR (1)
#define RETURN_INVALID_PARAMETER ENCODE_ERROR (2)
#define RETURN_UNSUPPORTED ENCODE_ERROR (3)
#define RETURN_BAD_BUFFER_SIZE ENCODE_ERROR (4)
#define RETURN_BUFFER_TOO_SMALL ENCODE_ERROR (5)
#define RETURN_NOT_READY ENCODE_ERROR (6)
#define RETURN_DEVICE_ERROR ENCODE_ERROR (7)
#define RETURN_WRITE_PROTECTED ENCODE_ERROR (8)
#define RETURN_OUT_OF_RESOURCES ENCODE_ERROR (9)
#define RETURN_VOLUME_CORRUPTED ENCODE_ERROR (10)
#define RETURN_VOLUME_FULL ENCODE_ERROR (11)
#define RETURN_NO_MEDIA ENCODE_ERROR (12)
#define RETURN_MEDIA_CHANGED ENCODE_ERROR (13)
#define RETURN_NOT_FOUND ENCODE_ERROR (14)
#define RETURN_ACCESS_DENIED ENCODE_ERROR (15)
#define RETURN_NO_RESPONSE ENCODE_ERROR (16)
#define RETURN_NO_MAPPING ENCODE_ERROR (17)
#define RETURN_TIMEOUT ENCODE_ERROR (18)
#define RETURN_NOT_STARTED ENCODE_ERROR (19)
#define RETURN_ALREADY_STARTED ENCODE_ERROR (20)
#define RETURN_ABORTED ENCODE_ERROR (21)
#define RETURN_ICMP_ERROR ENCODE_ERROR (22)
#define RETURN_TFTP_ERROR ENCODE_ERROR (23)
#define RETURN_PROTOCOL_ERROR ENCODE_ERROR (24)
#define RETURN_INCOMPATIBLE_VERSION ENCODE_ERROR (25)
#define RETURN_SECURITY_VIOLATION ENCODE_ERROR (26)
#define RETURN_CRC_ERROR ENCODE_ERROR (27)
#define RETURN_END_OF_MEDIA ENCODE_ERROR (28)
#define RETURN_END_OF_FILE ENCODE_ERROR (31)
#define RETURN_WARN_UNKNOWN_GLYPH ENCODE_WARNING (1)
#define RETURN_WARN_DELETE_FAILURE ENCODE_WARNING (2)
#define RETURN_WARN_WRITE_FAILURE ENCODE_WARNING (3)
#define RETURN_WARN_BUFFER_TOO_SMALL ENCODE_WARNING (4)
#endif
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