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gnu-efi/gnu-efi-3.0d-unwrap.patch

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diff -up gnu-efi-3.0d/inc/ia32/pe.h.unwrap gnu-efi-3.0d/inc/ia32/pe.h
--- gnu-efi-3.0d/inc/ia32/pe.h.unwrap 2008-03-10 14:38:18.000000000 -0400
+++ gnu-efi-3.0d/inc/ia32/pe.h 2008-03-10 14:39:21.000000000 -0400
@@ -588,4 +588,6 @@ typedef struct _IMAGE_IMPORT_DESCRIPTOR
PIMAGE_THUNK_DATA FirstThunk;
} IMAGE_IMPORT_DESCRIPTOR, *PIMAGE_IMPORT_DESCRIPTOR;
+#define EFI_CALL(sym, argc) sym
+
#endif
diff -up gnu-efi-3.0d/inc/ia32/efibind.h.unwrap gnu-efi-3.0d/inc/ia32/efibind.h
--- gnu-efi-3.0d/inc/ia32/efibind.h.unwrap 2008-03-10 14:34:58.000000000 -0400
+++ gnu-efi-3.0d/inc/ia32/efibind.h 2008-03-10 14:35:49.000000000 -0400
@@ -234,7 +234,22 @@ typedef uint32_t UINTN;
// one big module.
//
- #define EFI_DRIVER_ENTRY_POINT(InitFunction)
+ #define EFI_DRIVER_ENTRY_POINT(InitFunction) \
+ UINTN \
+ InitializeDriver ( \
+ VOID *ImageHandle, \
+ VOID *SystemTable \
+ ) \
+ { \
+ return InitFunction(ImageHandle, \
+ SystemTable); \
+ } \
+ \
+ EFI_STATUS efi_main( \
+ EFI_HANDLE image, \
+ EFI_SYSTEM_TABLE *systab \
+ ) __attribute__((weak, \
+ alias ("InitializeDriver")));
#define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \
(_if)->LoadInternal(type, name, entry)
diff -up gnu-efi-3.0d/inc/x86_64/pe.h.unwrap gnu-efi-3.0d/inc/x86_64/pe.h
--- gnu-efi-3.0d/inc/x86_64/pe.h.unwrap 2008-03-10 14:37:23.000000000 -0400
+++ gnu-efi-3.0d/inc/x86_64/pe.h 2008-03-10 14:38:08.000000000 -0400
@@ -588,4 +588,184 @@ typedef struct _IMAGE_IMPORT_DESCRIPTOR
PIMAGE_THUNK_DATA FirstThunk;
} IMAGE_IMPORT_DESCRIPTOR, *PIMAGE_IMPORT_DESCRIPTOR;
+#define alloc_lin_stack_frame(argc) \
+ "subq ($" #argc "-6)*8, %rsp\n\t"
+#define free_lin_stack_frame(argc) \
+ "addq ($" #argc "-6)*8, %rsp\n\t"
+
+#define efi2lin_prolog \
+ "push %rsi\n\t" \
+ "push %rdi\n\t"
+
+#define efi2lin_epilog \
+ "pop %rdi\n\t" \
+ "pop %rsi\n\t"
+
+#define call_lin_func \
+ "xor %rax, %rax\n\t" \
+ "call *%r10\n\t"
+
+#define efi2lin_efi_arg(n) "(" #n "+2)*8(%rsp)"
+
+#define efi2lin_arg1 "mov %rcx, %rdi\n\t"
+#define efi2lin_arg2 "mov %rdx, %rsi\n\t"
+#define efi2lin_arg3 "mov %r8, %rdx\n\t"
+#define efi2lin_arg4 "mov %r9, %rcx\n\t"
+#define efi2lin_arg5 "mov " efi2lin_efi_arg(5) ", %r8\n\t"
+#define efi2lin_arg6 "mov " efi2lin_efi_arg(6) ", %r9\n\t"
+
+#define efi2lin0 \
+ efi2lin_prolog \
+ call_lin_func \
+ efi2lin_epilog \
+ "ret\n\t"
+
+#define efi2lin1 \
+ efi2lin_prolog \
+ efi2lin_arg1 \
+ call_lin_func \
+ efi2lin_epilog \
+ "ret\n\t"
+
+#define efi2lin2 \
+ efi2lin_prolog \
+ efi2lin_arg1 \
+ efi2lin_arg2 \
+ call_lin_func \
+ efi2lin_epilog \
+ "ret\n\t"
+
+#define efi2lin3 \
+ efi2lin_prolog \
+ efi2lin_arg1 \
+ efi2lin_arg2 \
+ efi2lin_arg3 \
+ call_lin_func \
+ efi2lin_epilog \
+ "ret\n\t"
+
+#define efi2lin4 \
+ efi2lin_prolog \
+ efi2lin_arg1 \
+ efi2lin_arg2 \
+ efi2lin_arg3 \
+ efi2lin_arg4 \
+ call_lin_func \
+ efi2lin_epilog \
+ "ret\n\t"
+
+#define efi2lin5 \
+ efi2lin_prolog \
+ efi2lin_arg1 \
+ efi2lin_arg2 \
+ efi2lin_arg3 \
+ efi2lin_arg4 \
+ efi2lin_arg5 \
+ call_lin_func \
+ efi2lin_epilog \
+ "ret\n\t"
+
+#define efi2lin6 \
+ efi2lin_prolog \
+ efi2lin_arg1 \
+ efi2lin_arg2 \
+ efi2lin_arg3 \
+ efi2lin_arg4 \
+ efi2lin_arg5 \
+ efi2lin_arg6 \
+ call_lin_func \
+ efi2lin_epilog \
+ "ret\n\t"
+
+#define call_lin_func_args(n) \
+ "subq $(" #n "-6) *8, %rsp\n\t" \
+ call_lin_func \
+ "addq $(" #n "-6) *8, %rsp\n\t"
+
+#define efi2lin_lin_arg(m, n) "(" #m "-1-" #n ")*8(%rsp)"
+
+#define efi2lin7 \
+ efi2lin_prolog \
+ \
+ efi2lin_arg1 \
+ efi2lin_arg2 \
+ efi2lin_arg3 \
+ efi2lin_arg4 \
+ efi2lin_arg5 \
+ efi2lin_arg6 \
+ \
+ "# copy efidows argument 7 onto stack for Linux function" \
+ "mov " efi2lin_efi_arg(7) ", %r11 \n\t" \
+ "mov %r11, " efi2lin_lin_arg(7,7) "\n\t" \
+ \
+ call_lin_func_args(7) \
+ efi2lin_epilog \
+ "ret\n\t"
+
+#define efi2lin8 \
+ efi2lin_prolog \
+ \
+ efi2lin_arg1 \
+ efi2lin_arg2 \
+ efi2lin_arg3 \
+ efi2lin_arg4 \
+ efi2lin_arg5 \
+ efi2lin_arg6 \
+ \
+ "# copy efidows arguments 7 and 8 onto stack for Linux function" \
+ "mov " efi2lin_efi_arg(7) ", %r11\n\t" \
+ "mov %r11, " efi2lin_lin_arg(7,8) "\n\t" \
+ "mov " efi2lin_efi_arg(8) ", %r11\n\t" \
+ "mov %r11, " efi2lin_lin_arg(8,8) "\n\t" \
+ \
+ call_lin_func_args(8) \
+ efi2lin_epilog \
+ "ret\n\t"
+
+#define efi2lin9to12 \
+ efi2lin_prolog \
+ \
+ "# since we destroy rsi and rdi here, first copy efidows\n\t" \
+ "# arguments 7 through 12 onto stack for Linux function\n\t" \
+ "mov %rcx, %r11 # save rcx\n\t" \
+ "lea " efi2lin_efi_arg(7) ", %rsi # source (efidows arg 7 and up)\n\t" \
+ "lea " efi2lin_lin_arg(7,12) ", %rdi # = destination\n\t" \
+ "mov $6, %rcx # 6 arguments\n\t" \
+ "rep\n\t" \
+ "movsq\n\t" \
+ "mov %r11, %rcx # restore rcx\n\t" \
+ \
+ efi2lin_arg1 \
+ efi2lin_arg2 \
+ efi2lin_arg3 \
+ efi2lin_arg4 \
+ efi2lin_arg5 \
+ efi2lin_arg6 \
+ \
+ call_lin_func_args(12) \
+ efi2lin_epilog \
+ "ret\n\t"
+
+#define efi2lin9 efi2lin9to12
+#define efi2lin10 efi2lin9to12
+#define efi2lin11 efi2lin9to12
+#define efi2lin12 efi2lin9to12
+
+#define EFI_TOKEN_PASTE(a,b) a ## b
+#define EFI_TOKEN_STRING(a) #a
+#define EFI_CALL_NAME(sym) _efi_wrap_ ## sym
+#define EFI_CALL(sym, argc) \
+ extern EFI_CALL_NAME(sym)(); \
+ \
+ __asm__ ("\n" \
+ ".globl " #sym "\n\t" \
+ ".type\t" #sym ", @function\n" \
+ #sym ":\n\t" \
+ "lea\t_efi_wrap_" #sym "@PLT, %r10\n\t" \
+ EFI_TOKEN_PASTE(efi2lin, argc) \
+ ".size\t" #sym ", .-" #sym "\n\t" \
+ ); \
+ \
+ EFI_STATUS EFI_CALL_NAME(sym)
+
#endif
diff -up gnu-efi-3.0d/inc/x86_64/efibind.h.unwrap gnu-efi-3.0d/inc/x86_64/efibind.h
--- gnu-efi-3.0d/inc/x86_64/efibind.h.unwrap 2008-03-10 14:30:40.000000000 -0400
+++ gnu-efi-3.0d/inc/x86_64/efibind.h 2008-03-10 14:35:51.000000000 -0400
@@ -234,7 +234,22 @@ typedef uint64_t UINTN;
// one big module.
//
- #define EFI_DRIVER_ENTRY_POINT(InitFunction)
+ #define EFI_DRIVER_ENTRY_POINT(InitFunction) \
+ UINTN \
+ InitializeDriver ( \
+ VOID *ImageHandle, \
+ VOID *SystemTable \
+ ) \
+ { \
+ return InitFunction(ImageHandle, \
+ SystemTable); \
+ } \
+ \
+ EFI_STATUS efi_main( \
+ EFI_HANDLE image, \
+ EFI_SYSTEM_TABLE *systab \
+ ) __attribute__((weak, \
+ alias ("InitializeDriver")));
#define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \
(_if)->LoadInternal(type, name, entry)
diff -up gnu-efi-3.0d/inc/ia64/pe.h.unwrap gnu-efi-3.0d/inc/ia64/pe.h
--- gnu-efi-3.0d/inc/ia64/pe.h.unwrap 2008-03-10 14:39:01.000000000 -0400
+++ gnu-efi-3.0d/inc/ia64/pe.h 2008-03-10 14:39:20.000000000 -0400
@@ -594,4 +594,6 @@ typedef struct _IMAGE_IMPORT_DESCRIPTOR
PIMAGE_THUNK_DATA FirstThunk;
} IMAGE_IMPORT_DESCRIPTOR, *PIMAGE_IMPORT_DESCRIPTOR;
+#define EFI_CALL(sym, argc) sym
+
#endif
diff -up gnu-efi-3.0d/inc/ia64/efibind.h.unwrap gnu-efi-3.0d/inc/ia64/efibind.h
--- gnu-efi-3.0d/inc/ia64/efibind.h.unwrap 2008-03-10 14:36:00.000000000 -0400
+++ gnu-efi-3.0d/inc/ia64/efibind.h 2008-03-10 14:36:59.000000000 -0400
@@ -187,7 +187,22 @@ void __mf (void);
// one big module.
//
-#define EFI_DRIVER_ENTRY_POINT(InitFunction)
+#define EFI_DRIVER_ENTRY_POINT(InitFunction) \
+ UINTN \
+ InitializeDriver ( \
+ VOID *ImageHandle, \
+ VOID *SystemTable \
+ ) \
+ { \
+ return InitFunction(ImageHandle, \
+ SystemTable); \
+ } \
+ \
+ EFI_STATUS efi_main( \
+ EFI_HANDLE image, \
+ EFI_SYSTEM_TABLE *systab \
+ ) __attribute__((weak, \
+ alias ("InitializeDriver")));
#define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \
(_if)->LoadInternal(type, name, entry)
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