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author | Jan Beulich <jbeulich@novell.com> | 2011-06-28 09:17:50 +0100 |
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committer | Jan Beulich <jbeulich@novell.com> | 2011-06-28 09:17:50 +0100 |
commit | f402de45cd8b93cc41fff6f0666b1cdd3d765909 (patch) | |
tree | 17a74356a3d1da39059608226fed3d345249cabe /xen/include/asm-x86/x86_64 | |
parent | a56fe63c12a3c9e77995a3707d3165f817acd4af (diff) | |
download | xen-f402de45cd8b93cc41fff6f0666b1cdd3d765909.tar.gz xen-f402de45cd8b93cc41fff6f0666b1cdd3d765909.tar.bz2 xen-f402de45cd8b93cc41fff6f0666b1cdd3d765909.zip |
x86-64: EFI header files
Taken from gnu-efi-3.0k (slightly edited).
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Diffstat (limited to 'xen/include/asm-x86/x86_64')
-rw-r--r-- | xen/include/asm-x86/x86_64/efibind.h | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/xen/include/asm-x86/x86_64/efibind.h b/xen/include/asm-x86/x86_64/efibind.h new file mode 100644 index 0000000000..1294a12516 --- /dev/null +++ b/xen/include/asm-x86/x86_64/efibind.h @@ -0,0 +1,276 @@ +/*++ + +Copyright (c) 1998 Intel Corporation + +Module Name: + + efefind.h + +Abstract: + + EFI to compile bindings + + + + +Revision History + +--*/ + +#ifndef __GNUC__ +#pragma pack() +#endif + +// +// Basic int types of various widths +// + +#if !defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L ) + + // No ANSI C 1999/2000 stdint.h integer width declarations + + #if defined(_MSC_EXTENSIONS) + + // Use Microsoft C compiler integer width declarations + + typedef unsigned __int64 uint64_t; + typedef __int64 int64_t; + typedef unsigned __int32 uint32_t; + typedef __int32 int32_t; + typedef unsigned short uint16_t; + typedef short int16_t; + typedef unsigned char uint8_t; + typedef char int8_t; + #elif defined(__GNUC__) + typedef unsigned long long uint64_t __attribute__((aligned (8))); + typedef long long int64_t __attribute__((aligned (8))); + typedef unsigned int uint32_t; + typedef int int32_t; + typedef unsigned short uint16_t; + typedef short int16_t; + typedef unsigned char uint8_t; + typedef char int8_t; + #elif defined(UNIX_LP64) + + /* Use LP64 programming model from C_FLAGS for integer width declarations */ + + typedef unsigned long uint64_t; + typedef long int64_t; + typedef unsigned int uint32_t; + typedef int int32_t; + typedef unsigned short uint16_t; + typedef short int16_t; + typedef unsigned char uint8_t; + typedef char int8_t; + #else + + /* Assume P64 programming model from C_FLAGS for integer width declarations */ + + typedef unsigned long long uint64_t __attribute__((aligned (8))); + typedef long long int64_t __attribute__((aligned (8))); + typedef unsigned int uint32_t; + typedef int int32_t; + typedef unsigned short uint16_t; + typedef short int16_t; + typedef unsigned char uint8_t; + typedef char int8_t; + #endif +#endif + +// +// Basic EFI types of various widths +// + +#ifndef __WCHAR_TYPE__ +# define __WCHAR_TYPE__ short +#endif + +typedef uint64_t UINT64; +typedef int64_t INT64; + +#ifndef _BASETSD_H_ + typedef uint32_t UINT32; + typedef int32_t INT32; +#endif + +typedef uint16_t UINT16; +typedef int16_t INT16; +typedef uint8_t UINT8; +typedef int8_t INT8; +typedef __WCHAR_TYPE__ WCHAR; + +#undef VOID +#define VOID void + + +typedef int64_t INTN; +typedef uint64_t UINTN; + +#ifdef EFI_NT_EMULATOR + #define POST_CODE(_Data) +#else + #ifdef EFI_DEBUG +#define POST_CODE(_Data) __asm mov eax,(_Data) __asm out 0x80,al + #else + #define POST_CODE(_Data) + #endif +#endif + +#define EFIERR(a) (0x8000000000000000 | a) +#define EFI_ERROR_MASK 0x8000000000000000 +#define EFIERR_OEM(a) (0xc000000000000000 | a) + + +#define BAD_POINTER 0xFBFBFBFBFBFBFBFB +#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFF + +#ifdef EFI_NT_EMULATOR + #define BREAKPOINT() __asm { int 3 } +#else + #define BREAKPOINT() while (TRUE); // Make it hang on Bios[Dbg]32 +#endif + +// +// Pointers must be aligned to these address to function +// + +#define MIN_ALIGNMENT_SIZE 4 + +#define ALIGN_VARIABLE(Value ,Adjustment) \ + (UINTN)Adjustment = 0; \ + if((UINTN)Value % MIN_ALIGNMENT_SIZE) \ + (UINTN)Adjustment = MIN_ALIGNMENT_SIZE - ((UINTN)Value % MIN_ALIGNMENT_SIZE); \ + Value = (UINTN)Value + (UINTN)Adjustment + + +// +// Define macros to build data structure signatures from characters. +// + +#define EFI_SIGNATURE_16(A,B) ((A) | (B<<8)) +#define EFI_SIGNATURE_32(A,B,C,D) (EFI_SIGNATURE_16(A,B) | (EFI_SIGNATURE_16(C,D) << 16)) +#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)) +// +// To export & import functions in the EFI emulator environment +// + +#ifdef EFI_NT_EMULATOR + #define EXPORTAPI __declspec( dllexport ) +#else + #define EXPORTAPI +#endif + + +// +// EFIAPI - prototype calling convention for EFI function pointers +// BOOTSERVICE - prototype for implementation of a boot service interface +// RUNTIMESERVICE - prototype for implementation of a runtime service interface +// RUNTIMEFUNCTION - prototype for implementation of a runtime function that is not a service +// RUNTIME_CODE - pragma macro for declaring runtime code +// + +#ifndef EFIAPI // Forces EFI calling conventions reguardless of compiler options + #ifdef _MSC_EXTENSIONS + #define EFIAPI __cdecl // Force C calling convention for Microsoft C compiler + #elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) + #define EFIAPI __attribute__((__ms_abi__)) // Force Microsoft ABI + #else + #define EFIAPI // Substitute expresion to force C calling convention + #endif +#endif + +#define BOOTSERVICE +//#define RUNTIMESERVICE(proto,a) alloc_text("rtcode",a); proto a +//#define RUNTIMEFUNCTION(proto,a) alloc_text("rtcode",a); proto a +#define RUNTIMESERVICE +#define RUNTIMEFUNCTION + + +#define RUNTIME_CODE(a) alloc_text("rtcode", a) +#define BEGIN_RUNTIME_DATA() data_seg("rtdata") +#define END_RUNTIME_DATA() data_seg("") + +#define VOLATILE volatile + +#define MEMORY_FENCE() + +#ifdef EFI_NT_EMULATOR + +// +// To help ensure proper coding of integrated drivers, they are +// compiled as DLLs. In NT they require a dll init entry pointer. +// The macro puts a stub entry point into the DLL so it will load. +// + +#define EFI_DRIVER_ENTRY_POINT(InitFunction) \ + UINTN \ + __stdcall \ + _DllMainCRTStartup ( \ + UINTN Inst, \ + UINTN reason_for_call, \ + VOID *rserved \ + ) \ + { \ + return 1; \ + } \ + \ + int \ + EXPORTAPI \ + __cdecl \ + InitializeDriver ( \ + void *ImageHandle, \ + void *SystemTable \ + ) \ + { \ + return InitFunction(ImageHandle, SystemTable); \ + } + + + #define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \ + (_if)->LoadInternal(type, name, NULL) + +#else // EFI_NT_EMULATOR + +// +// When build similiar to FW, then link everything together as +// one big module. +// + + #define EFI_DRIVER_ENTRY_POINT(InitFunction) + + #define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \ + (_if)->LoadInternal(type, name, entry) + +#endif // EFI_FW_NT + +// +// Some compilers don't support the forward reference construct: +// typedef struct XXXXX +// +// The following macro provide a workaround for such cases. +// +#ifdef NO_INTERFACE_DECL +#define INTERFACE_DECL(x) +#else +#ifdef __GNUC__ +#define INTERFACE_DECL(x) struct x +#else +#define INTERFACE_DECL(x) typedef struct x +#endif +#endif + +#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) +#define uefi_call_wrapper(func, va_num, ...) func(__VA_ARGS__) +#else +/* for x86_64, EFI_FUNCTION_WRAPPER must be defined */ +#ifdef EFI_FUNCTION_WRAPPER +UINTN uefi_call_wrapper(void *func, unsigned long va_num, ...); +#else +#error "EFI_FUNCTION_WRAPPER must be defined for x86_64 architecture" +#endif +#endif + +#ifdef _MSC_EXTENSIONS +#pragma warning ( disable : 4731 ) // Suppress warnings about modification of EBP +#endif + |