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| author | Harry Liebel <Harry.Liebel@arm.com> | 2015-07-30 09:51:04 +0000 |
|---|---|---|
| committer | lersek <lersek@Edk2> | 2015-07-30 09:51:04 +0000 |
| commit | 1bbb83b5267b8a6701a6acae504a2b2e6b5db569 (patch) | |
| tree | c42482da4a77a01d4c4910a5fc89035aa6df3fa1 /StdLib/Include/Aarch64/arm-gcc.h | |
| parent | d799c0283259ed7709055aca3871e8f67f38610a (diff) | |
| download | edk2-1bbb83b5267b8a6701a6acae504a2b2e6b5db569.tar.gz edk2-1bbb83b5267b8a6701a6acae504a2b2e6b5db569.tar.bz2 edk2-1bbb83b5267b8a6701a6acae504a2b2e6b5db569.zip | |
StdLib: Add support for AArch64
- Use some files from ARM version.
- Use NetBSD software floating point library to provide floating point
operations not handled directly by hardware floating point enabled
GCC compiler.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Harry Liebel <Harry.Liebel@arm.com>
Reviewed-by: Olivier Martin <Olivier.Martin@arm.com>
Reviewed-by: Daryl McDaniel <edk2-lists@mc2research.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18118 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'StdLib/Include/Aarch64/arm-gcc.h')
| -rw-r--r-- | StdLib/Include/Aarch64/arm-gcc.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/StdLib/Include/Aarch64/arm-gcc.h b/StdLib/Include/Aarch64/arm-gcc.h new file mode 100644 index 0000000000..ef0014b4b2 --- /dev/null +++ b/StdLib/Include/Aarch64/arm-gcc.h @@ -0,0 +1,110 @@ +/** @file
+
+ Copyright (c) 2014, ARM Limited. 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.
+
+**/
+
+/* $NetBSD: arm-gcc.h,v 1.4 2013/01/26 07:08:14 matt Exp $ */
+
+/*
+-------------------------------------------------------------------------------
+One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined.
+-------------------------------------------------------------------------------
+*/
+#define LITTLEENDIAN
+
+/*
+-------------------------------------------------------------------------------
+The macro `BITS64' can be defined to indicate that 64-bit integer types are
+supported by the compiler.
+-------------------------------------------------------------------------------
+*/
+#define BITS64
+
+/*
+-------------------------------------------------------------------------------
+Each of the following `typedef's defines the most convenient type that holds
+integers of at least as many bits as specified. For example, `uint8' should
+be the most convenient type that can hold unsigned integers of as many as
+8 bits. The `flag' type must be able to hold either a 0 or 1. For most
+implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
+to the same as `int'.
+-------------------------------------------------------------------------------
+*/
+typedef int flag;
+typedef int uint8;
+typedef int int8;
+typedef int uint16;
+typedef int int16;
+typedef unsigned int uint32;
+typedef signed int int32;
+#ifdef BITS64
+typedef unsigned long long int uint64;
+typedef signed long long int int64;
+#endif
+
+/*
+-------------------------------------------------------------------------------
+Each of the following `typedef's defines a type that holds integers
+of _exactly_ the number of bits specified. For instance, for most
+implementation of C, `bits16' and `sbits16' should be `typedef'ed to
+`unsigned short int' and `signed short int' (or `short int'), respectively.
+-------------------------------------------------------------------------------
+*/
+typedef unsigned char bits8;
+typedef signed char sbits8;
+typedef unsigned short int bits16;
+typedef signed short int sbits16;
+typedef unsigned int bits32;
+typedef signed int sbits32;
+#ifdef BITS64
+typedef unsigned long long int bits64;
+typedef signed long long int sbits64;
+#endif
+
+#ifdef BITS64
+/*
+-------------------------------------------------------------------------------
+The `LIT64' macro takes as its argument a textual integer literal and
+if necessary ``marks'' the literal as having a 64-bit integer type.
+For example, the GNU C Compiler (`gcc') requires that 64-bit literals be
+appended with the letters `LL' standing for `long long', which is `gcc's
+name for the 64-bit integer type. Some compilers may allow `LIT64' to be
+defined as the identity macro: `#define LIT64( a ) a'.
+-------------------------------------------------------------------------------
+*/
+#define LIT64( a ) a##ULL
+#endif
+
+/*
+-------------------------------------------------------------------------------
+The macro `INLINE' can be used before functions that should be inlined. If
+a compiler does not support explicit inlining, this macro should be defined
+to be `static'.
+-------------------------------------------------------------------------------
+*/
+#define INLINE static inline
+
+/*
+-------------------------------------------------------------------------------
+The ARM FPA is odd in that it stores doubles high-order word first, no matter
+what the endianness of the CPU. VFP is sane.
+-------------------------------------------------------------------------------
+*/
+#if defined(SOFTFLOAT_FOR_GCC)
+#if defined(__VFP_FP__)
+#define FLOAT64_DEMANGLE(a) (a)
+#define FLOAT64_MANGLE(a) (a)
+#else
+#define FLOAT64_DEMANGLE(a) (((a) << 32) | ((a) >> 32))
+#define FLOAT64_MANGLE(a) FLOAT64_DEMANGLE(a)
+#endif
+#endif
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