4 files changed, 150 insertions, 0 deletions
diff --git a/gnu-efi/lib/aarch64/efi_stub.S b/gnu-efi/lib/aarch64/efi_stub.S
new file mode 100644
index 00000000..464eae58
--- /dev/null
+++ b/gnu-efi/lib/aarch64/efi_stub.S
@@ -0,0 +1 @@
+/* This stub is a stub to make the build happy */
diff --git a/gnu-efi/lib/aarch64/initplat.c b/gnu-efi/lib/aarch64/initplat.c
new file mode 100644
index 00000000..6c5e1fa5
--- /dev/null
+++ b/gnu-efi/lib/aarch64/initplat.c
@@ -0,0 +1,26 @@
+/*
+ * Copright (C) 2014 Linaro Ltd.
+ * Author: Ard Biesheuvel <ard.biesheuvel@linaro.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice and this list of conditions, without modification.
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License as published by the Free Software Foundation;
+ * either version 2 of the License, or (at your option) any later version.
+ */
+
+#include "lib.h"
+
+VOID
+InitializeLibPlatform (
+    IN EFI_HANDLE           ImageHandle EFI_UNUSED,
+    IN EFI_SYSTEM_TABLE     *SystemTable EFI_UNUSED
+    )
+{
+}
diff --git a/gnu-efi/lib/aarch64/math.c b/gnu-efi/lib/aarch64/math.c
new file mode 100644
index 00000000..8c164446
--- /dev/null
+++ b/gnu-efi/lib/aarch64/math.c
@@ -0,0 +1,63 @@
+/*
+ * Copright (C) 2014 Linaro Ltd.
+ * Author: Ard Biesheuvel <ard.biesheuvel@linaro.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice and this list of conditions, without modification.
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License as published by the Free Software Foundation;
+ * either version 2 of the License, or (at your option) any later version.
+ */
+
+#include "lib.h"
+
+UINT64
+LShiftU64 (
+    IN UINT64   Operand,
+    IN UINTN    Count
+    )
+// Left shift 64bit by 32bit and get a 64bit result
+{
+    return Operand << Count;
+}
+
+UINT64
+RShiftU64 (
+    IN UINT64   Operand,
+    IN UINTN    Count
+    )
+// Right shift 64bit by 32bit and get a 64bit result
+{
+    return Operand >> Count;
+}
+
+
+UINT64
+MultU64x32 (
+    IN UINT64   Multiplicand,
+    IN UINTN    Multiplier
+    )
+// Multiple 64bit by 32bit and get a 64bit result
+{
+    return Multiplicand * Multiplier;
+}
+
+UINT64
+DivU64x32 (
+    IN UINT64   Dividend,
+    IN UINTN    Divisor,
+    OUT UINTN   *Remainder OPTIONAL
+    )
+// divide 64bit by 32bit and get a 64bit result
+// N.B. only works for 31bit divisors!!
+{
+    if (Remainder)
+	*Remainder = Dividend % Divisor;
+    return Dividend / Divisor;
+}
diff --git a/gnu-efi/lib/aarch64/setjmp.S b/gnu-efi/lib/aarch64/setjmp.S
new file mode 100644
index 00000000..46c29b16
--- /dev/null
+++ b/gnu-efi/lib/aarch64/setjmp.S
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2006 - 2008, 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.
+ */
+	.text
+	.p2align 3
+
+#define GPR_LAYOUT			\
+	REG_PAIR (x19, x20, 0);		\
+	REG_PAIR (x21, x22, 16);	\
+	REG_PAIR (x23, x24, 32);	\
+	REG_PAIR (x25, x26, 48);	\
+	REG_PAIR (x27, x28, 64);	\
+	REG_PAIR (x29, x30, 80);	\
+	REG_ONE (x16, 96)
+
+#define FPR_LAYOUT			\
+	REG_PAIR(d8, d9, 112);		\
+	REG_PAIR(d10, d11, 128);	\
+	REG_PAIR(d12, d13, 144);	\
+	REG_PAIR(d14, d15, 160);
+
+#define REG_PAIR(REG1, REG2, OFFS)      stp REG1, REG2, [x0, OFFS]
+#define REG_ONE(REG1, OFFS)             str REG1, [x0, OFFS]
+
+	.globl	setjmp
+	.type	setjmp, @function
+setjmp:
+	mov	x16, sp
+	GPR_LAYOUT
+	FPR_LAYOUT
+	mov	w0, #0
+	ret
+
+#undef REG_PAIR
+#undef REG_ONE
+
+#define REG_PAIR(REG1, REG2, OFFS)      ldp REG1, REG2, [x0, OFFS]
+#define REG_ONE(REG1, OFFS)             ldr REG1, [x0, OFFS]
+
+	.globl	longjmp
+	.type	longjmp, @function
+longjmp:
+	GPR_LAYOUT
+	FPR_LAYOUT
+	mov	sp, x16
+	cmp	w1, #0
+	mov	w0, #1
+	csel	w0, w1, w0, ne
+	br	x30