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source: bootcd/isolinux/syslinux-6.03/efi64/include/efi/x86_64/efibind.h

Last change on this file was e16e8f2, checked in by Edwin Eefting <edwin@datux.nl>, 3 years ago
bootstuff
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Line
1	/*++
2
3	Copyright (c) 1998 Intel Corporation
4
5	Module Name:
6
7	efefind.h
8
9	Abstract:
10
11	EFI to compile bindings
12
13
14
15
16	Revision History
17
18	--*/
19	#ifndef X86_64_EFI_BIND
20	#define X86_64_EFI_BIND
21	#ifndef __GNUC__
22	#pragma pack()
23	#endif
24
25	#if defined(GNU_EFI_USE_MS_ABI)
26	#if defined(__GNUC__) && (__GNUC__ > 4 \|\| (__GNUC__ == 4 && __GNUC_MINOR__ >= 7))
27	#define HAVE_USE_MS_ABI 1
28	#else
29	#error Compiler is too old for GNU_EFI_USE_MS_ABI
30	#endif
31	#endif
32
33	//
34	// Basic int types of various widths
35	//
36
37	#if !defined(__STDC_VERSION__) \|\| (__STDC_VERSION__ < 199901L )
38
39	// No ANSI C 1999/2000 stdint.h integer width declarations
40
41	#if defined(_MSC_EXTENSIONS)
42
43	// Use Microsoft C compiler integer width declarations
44
45	typedef unsigned __int64 uint64_t;
46	typedef __int64 int64_t;
47	typedef unsigned __int32 uint32_t;
48	typedef __int32 int32_t;
49	typedef unsigned short uint16_t;
50	typedef short int16_t;
51	typedef unsigned char uint8_t;
52	typedef char int8_t;
53	#elif defined(__GNUC__)
54	typedef int __attribute__((__mode__(__DI__))) int64_t;
55	typedef unsigned int __attribute__((__mode__(__DI__))) uint64_t;
56	typedef unsigned int uint32_t;
57	typedef int int32_t;
58	typedef unsigned short uint16_t;
59	typedef short int16_t;
60	typedef unsigned char uint8_t;
61	typedef signed char int8_t;
62	#elif defined(UNIX_LP64)
63
64	/* Use LP64 programming model from C_FLAGS for integer width declarations */
65
66	typedef unsigned long uint64_t;
67	typedef long int64_t;
68	typedef unsigned int uint32_t;
69	typedef int int32_t;
70	typedef unsigned short uint16_t;
71	typedef short int16_t;
72	typedef unsigned char uint8_t;
73	typedef char int8_t;
74	#else
75
76	/* Assume P64 programming model from C_FLAGS for integer width declarations */
77
78	typedef unsigned long long uint64_t __attribute__((aligned (8)));
79	typedef long long int64_t __attribute__((aligned (8)));
80	typedef unsigned int uint32_t;
81	typedef int int32_t;
82	typedef unsigned short uint16_t;
83	typedef short int16_t;
84	typedef unsigned char uint8_t;
85	typedef char int8_t;
86	#endif
87	#elif defined(__GNUC__)
88	#include <stdint.h>
89	#endif
90
91	//
92	// Basic EFI types of various widths
93	//
94
95	#ifndef __WCHAR_TYPE__
96	# define __WCHAR_TYPE__ short
97	#endif
98
99	typedef uint64_t UINT64;
100	typedef int64_t INT64;
101
102	#ifndef _BASETSD_H_
103	typedef uint32_t UINT32;
104	typedef int32_t INT32;
105	#endif
106
107	typedef uint16_t UINT16;
108	typedef int16_t INT16;
109	typedef uint8_t UINT8;
110	typedef int8_t INT8;
111	typedef __WCHAR_TYPE__ WCHAR;
112
113	#undef VOID
114	#define VOID void
115
116
117	typedef int64_t INTN;
118	typedef uint64_t UINTN;
119
120	#ifdef EFI_NT_EMULATOR
121	#define POST_CODE(_Data)
122	#else
123	#ifdef EFI_DEBUG
124	#define POST_CODE(_Data) __asm mov eax,(_Data) __asm out 0x80,al
125	#else
126	#define POST_CODE(_Data)
127	#endif
128	#endif
129
130	#define EFIERR(a) (0x8000000000000000 \| a)
131	#define EFI_ERROR_MASK 0x8000000000000000
132	#define EFIERR_OEM(a) (0xc000000000000000 \| a)
133
134
135	#define BAD_POINTER 0xFBFBFBFBFBFBFBFB
136	#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFF
137
138	#ifdef EFI_NT_EMULATOR
139	#define BREAKPOINT() __asm { int 3 }
140	#else
141	#define BREAKPOINT() while (TRUE); // Make it hang on Bios[Dbg]32
142	#endif
143
144	//
145	// Pointers must be aligned to these address to function
146	//
147
148	#define MIN_ALIGNMENT_SIZE 4
149
150	#define ALIGN_VARIABLE(Value ,Adjustment) \
151	(UINTN)Adjustment = 0; \
152	if((UINTN)Value % MIN_ALIGNMENT_SIZE) \
153	(UINTN)Adjustment = MIN_ALIGNMENT_SIZE - ((UINTN)Value % MIN_ALIGNMENT_SIZE); \
154	Value = (UINTN)Value + (UINTN)Adjustment
155
156
157	//
158	// Define macros to build data structure signatures from characters.
159	//
160
161	#define EFI_SIGNATURE_16(A,B) ((A) \| (B<<8))
162	#define EFI_SIGNATURE_32(A,B,C,D) (EFI_SIGNATURE_16(A,B) \| (EFI_SIGNATURE_16(C,D) << 16))
163	#define EFI_SIGNATURE_64(A,B,C,D,E,F,G,H) (EFI_SIGNATURE_32(A,B,C,D) \| ((UINT64)(EFI_SIGNATURE_32(E,F,G,H)) << 32))
164	//
165	// To export & import functions in the EFI emulator environment
166	//
167
168	#ifdef EFI_NT_EMULATOR
169	#define EXPORTAPI __declspec( dllexport )
170	#else
171	#define EXPORTAPI
172	#endif
173
174
175	//
176	// EFIAPI - prototype calling convention for EFI function pointers
177	// BOOTSERVICE - prototype for implementation of a boot service interface
178	// RUNTIMESERVICE - prototype for implementation of a runtime service interface
179	// RUNTIMEFUNCTION - prototype for implementation of a runtime function that is not a service
180	// RUNTIME_CODE - pragma macro for declaring runtime code
181	//
182
183	#ifndef EFIAPI // Forces EFI calling conventions reguardless of compiler options
184	#ifdef _MSC_EXTENSIONS
185	#define EFIAPI __cdecl // Force C calling convention for Microsoft C compiler
186	#elif defined(HAVE_USE_MS_ABI)
187	// Force amd64/ms calling conventions.
188	#define EFIAPI __attribute__((ms_abi))
189	#else
190	#define EFIAPI // Substitute expresion to force C calling convention
191	#endif
192	#endif
193
194	#define BOOTSERVICE
195	//#define RUNTIMESERVICE(proto,a) alloc_text("rtcode",a); proto a
196	//#define RUNTIMEFUNCTION(proto,a) alloc_text("rtcode",a); proto a
197	#define RUNTIMESERVICE
198	#define RUNTIMEFUNCTION
199
200
201	#define RUNTIME_CODE(a) alloc_text("rtcode", a)
202	#define BEGIN_RUNTIME_DATA() data_seg("rtdata")
203	#define END_RUNTIME_DATA() data_seg("")
204
205	#define VOLATILE volatile
206
207	#define MEMORY_FENCE()
208
209	#ifdef EFI_NT_EMULATOR
210
211	//
212	// To help ensure proper coding of integrated drivers, they are
213	// compiled as DLLs. In NT they require a dll init entry pointer.
214	// The macro puts a stub entry point into the DLL so it will load.
215	//
216
217	#define EFI_DRIVER_ENTRY_POINT(InitFunction) \
218	UINTN \
219	__stdcall \
220	_DllMainCRTStartup ( \
221	UINTN Inst, \
222	UINTN reason_for_call, \
223	VOID *rserved \
224	) \
225	{ \
226	return 1; \
227	} \
228	\
229	int \
230	EXPORTAPI \
231	__cdecl \
232	InitializeDriver ( \
233	void *ImageHandle, \
234	void *SystemTable \
235	) \
236	{ \
237	return InitFunction(ImageHandle, SystemTable); \
238	}
239
240
241	#define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \
242	(_if)->LoadInternal(type, name, NULL)
243
244	#else // EFI_NT_EMULATOR
245
246	//
247	// When build similiar to FW, then link everything together as
248	// one big module.
249	//
250
251	#define EFI_DRIVER_ENTRY_POINT(InitFunction) \
252	UINTN \
253	InitializeDriver ( \
254	VOID *ImageHandle, \
255	VOID *SystemTable \
256	) \
257	{ \
258	return InitFunction(ImageHandle, \
259	SystemTable); \
260	} \
261	\
262	EFI_STATUS efi_main( \
263	EFI_HANDLE image, \
264	EFI_SYSTEM_TABLE *systab \
265	) __attribute__((weak, \
266	alias ("InitializeDriver")));
267
268	#define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \
269	(_if)->LoadInternal(type, name, entry)
270
271	#endif // EFI_FW_NT
272
273	//
274	// Some compilers don't support the forward reference construct:
275	// typedef struct XXXXX
276	//
277	// The following macro provide a workaround for such cases.
278	//
279	#ifdef NO_INTERFACE_DECL
280	#define INTERFACE_DECL(x)
281	#else
282	#ifdef __GNUC__
283	#define INTERFACE_DECL(x) struct x
284	#else
285	#define INTERFACE_DECL(x) typedef struct x
286	#endif
287	#endif
288
289	/* for x86_64, EFI_FUNCTION_WRAPPER must be defined */
290	#if defined(HAVE_USE_MS_ABI)
291	#define uefi_call_wrapper(func, va_num, ...) func(__VA_ARGS__)
292	#else
293	/*
294	Credits for macro-magic:
295	https://groups.google.com/forum/?fromgroups#!topic/comp.std.c/d-6Mj5Lko_s
296	http://efesx.com/2010/08/31/overloading-macros/
297	*/
298	#define __VA_NARG__(...) \
299	__VA_NARG_(_0, ## __VA_ARGS__, __RSEQ_N())
300	#define __VA_NARG_(...) \
301	__VA_ARG_N(__VA_ARGS__)
302	#define __VA_ARG_N( \
303	_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,N,...) N
304	#define __RSEQ_N() \
305	10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
306
307	#define __VA_ARG_NSUFFIX__(prefix,...) \
308	__VA_ARG_NSUFFIX_N(prefix, __VA_NARG__(__VA_ARGS__))
309	#define __VA_ARG_NSUFFIX_N(prefix,nargs) \
310	__VA_ARG_NSUFFIX_N_(prefix, nargs)
311	#define __VA_ARG_NSUFFIX_N_(prefix,nargs) \
312	prefix ## nargs
313
314	/* Prototypes of EFI cdecl -> stdcall trampolines */
315	UINT64 efi_call0(void *func);
316	UINT64 efi_call1(void *func, UINT64 arg1);
317	UINT64 efi_call2(void *func, UINT64 arg1, UINT64 arg2);
318	UINT64 efi_call3(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3);
319	UINT64 efi_call4(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
320	UINT64 arg4);
321	UINT64 efi_call5(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
322	UINT64 arg4, UINT64 arg5);
323	UINT64 efi_call6(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
324	UINT64 arg4, UINT64 arg5, UINT64 arg6);
325	UINT64 efi_call7(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
326	UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7);
327	UINT64 efi_call8(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
328	UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7,
329	UINT64 arg8);
330	UINT64 efi_call9(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
331	UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7,
332	UINT64 arg8, UINT64 arg9);
333	UINT64 efi_call10(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
334	UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7,
335	UINT64 arg8, UINT64 arg9, UINT64 arg10);
336
337	/* Front-ends to efi_callX to avoid compiler warnings */
338	#define _cast64_efi_call0(f) \
339	efi_call0(f)
340	#define _cast64_efi_call1(f,a1) \
341	efi_call1(f, (UINT64)(a1))
342	#define _cast64_efi_call2(f,a1,a2) \
343	efi_call2(f, (UINT64)(a1), (UINT64)(a2))
344	#define _cast64_efi_call3(f,a1,a2,a3) \
345	efi_call3(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3))
346	#define _cast64_efi_call4(f,a1,a2,a3,a4) \
347	efi_call4(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4))
348	#define _cast64_efi_call5(f,a1,a2,a3,a4,a5) \
349	efi_call5(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
350	(UINT64)(a5))
351	#define _cast64_efi_call6(f,a1,a2,a3,a4,a5,a6) \
352	efi_call6(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
353	(UINT64)(a5), (UINT64)(a6))
354	#define _cast64_efi_call7(f,a1,a2,a3,a4,a5,a6,a7) \
355	efi_call7(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
356	(UINT64)(a5), (UINT64)(a6), (UINT64)(a7))
357	#define _cast64_efi_call8(f,a1,a2,a3,a4,a5,a6,a7,a8) \
358	efi_call8(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
359	(UINT64)(a5), (UINT64)(a6), (UINT64)(a7), (UINT64)(a8))
360	#define _cast64_efi_call9(f,a1,a2,a3,a4,a5,a6,a7,a8,a9) \
361	efi_call9(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
362	(UINT64)(a5), (UINT64)(a6), (UINT64)(a7), (UINT64)(a8), \
363	(UINT64)(a9))
364	#define _cast64_efi_call10(f,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10) \
365	efi_call10(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
366	(UINT64)(a5), (UINT64)(a6), (UINT64)(a7), (UINT64)(a8), \
367	(UINT64)(a9), (UINT64)(a10))
368
369	/* main wrapper (va_num ignored) */
370	#define uefi_call_wrapper(func,va_num,...) \
371	__VA_ARG_NSUFFIX__(_cast64_efi_call, __VA_ARGS__) (func , ##__VA_ARGS__)
372
373	#endif
374	#define EFI_FUNCTION __attribute__((ms_abi))
375
376	#ifdef _MSC_EXTENSIONS
377	#pragma warning ( disable : 4731 ) // Suppress warnings about modification of EBP
378	#endif
379
380	#endif

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