Initial commit of uefi boot loader of OpenBSD.

ok deraadt yuo

1 files changed, 53 insertions, 0 deletions

diff --git a/sys/arch/amd64/stand/efiboot/eficall.h b/sys/arch/amd64/stand/efiboot/eficall.h
new file mode 100644
index 00000000000..74e4db7f086
--- /dev/null
+++ b/sys/arch/amd64/stand/efiboot/eficall.h
@@ -0,0 +1,53 @@
+/*	$OpenBSD: eficall.h,v 1.1 2015/09/02 01:52:25 yasuoka Exp $	*/
+
+/*
+ * Copyright (c) 2015 YASUOKA Masahiko <yasuoka@yasuoka.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(__amd64__)
+
+#define	EFI_CALL(_func_, ...) (_func_)(__VA_ARGS__)
+
+#else
+
+extern uint64_t efi_call(int, void *, ...);
+
+#define	_call_0(_func) \
+    efi_call(0, (_func))
+#define	_call_1(_func, _1) \
+    efi_call(1, (_func), (_1))
+#define	_call_2(_func, _1, _2) \
+    efi_call(2, (_func), (_1), (_2))
+#define	_call_3(_func, _1, _2, _3) \
+    efi_call(3, (_func), (_1), (_2), (_3))
+#define	_call_4(_func, _1, _2, _3, _4) \
+    efi_call(4, (_func), (_1), (_2), (_3), (_4))
+#define	_call_5(_func, _1, _2, _3, _4, _5) \
+    efi_call(5, (_func), (_1), (_2), (_3), (_4), (_5))
+#define	_call_6(_func, _1, _2, _3, _4, _5, _6) \
+    efi_call(6, (_func), (_1), (_2), (_3), (_4), (_5), (_6))
+#define	_call_7(_func, _1, _2, _3, _4, _5, _6, _7) \
+    efi_call(7, (_func), (_1), (_2), (_3), (_4), (_5), (_6), (_7))
+#define	_call_8(_func, _1, _2, _3, _4, _5, _6, _7, _8) \
+    efi_call(8, (_func), (_1), (_2), (_3), (_4), (_5), (_6), (_7), (_8))
+#define	_call_9(_func, _1, _2, _3, _4, _5, _6, _7, _8, _9) \
+    efi_call(9, (_func), (_1), (_2), (_3), (_4), (_5), (_6), (_7), (_8), (_9))
+
+#define _efi_call_fn(_func, _1, _2, _3, _4, _5, _6, _7, _8, _9, _fn, ...) _fn
+
+#define	EFI_CALL(...)	\
+    _efi_call_fn(__VA_ARGS__, _call_9, _call_8, _call_7, _call_6, _call_5, \
+	    _call_4, _call_3, _call_2, _call_1, _call_1)(__VA_ARGS__)
+#endif