diff options
| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-05-01 00:28:19 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-05-01 00:28:19 +0000 |
| commit | 306bf4e22a1139b47357b9e3fd70cfc1c0f05f9c (patch) | |
| tree | 0a0a6de2834c2f2d82c8f369e8aac13e372d6613 /IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/CpuArch.h | |
| parent | 33d487d463ed3e42f53e9ebb52d8da567dc75f4b (diff) | |
| download | edk2-platforms-306bf4e22a1139b47357b9e3fd70cfc1c0f05f9c.tar.xz | |
Add LzmaCustomDecompressLib based on the LZMA SDK 4.65 which was
placed in the public domain on 2009-02-03. The LZMA SDK
4.65 was released at the http://www.7-zip.org/sdk.html
website.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8227 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/CpuArch.h')
| -rw-r--r-- | IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/CpuArch.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/CpuArch.h b/IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/CpuArch.h new file mode 100644 index 0000000000..006361f2f2 --- /dev/null +++ b/IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/CpuArch.h @@ -0,0 +1,69 @@ +/* CpuArch.h
+2008-08-05
+Igor Pavlov
+Public domain */
+
+#ifndef __CPUARCH_H
+#define __CPUARCH_H
+
+/*
+LITTLE_ENDIAN_UNALIGN means:
+ 1) CPU is LITTLE_ENDIAN
+ 2) it's allowed to make unaligned memory accesses
+if LITTLE_ENDIAN_UNALIGN is not defined, it means that we don't know
+about these properties of platform.
+*/
+
+#if defined(_M_IX86) || defined(_M_X64) || defined(_M_AMD64) || defined(__i386__) || defined(__x86_64__)
+#define LITTLE_ENDIAN_UNALIGN
+#endif
+
+#ifdef LITTLE_ENDIAN_UNALIGN
+
+#define GetUi16(p) (*(const UInt16 *)(p))
+#define GetUi32(p) (*(const UInt32 *)(p))
+#define GetUi64(p) (*(const UInt64 *)(p))
+#define SetUi32(p, d) *(UInt32 *)(p) = (d);
+
+#else
+
+#define GetUi16(p) (((const Byte *)(p))[0] | ((UInt16)((const Byte *)(p))[1] << 8))
+
+#define GetUi32(p) ( \
+ ((const Byte *)(p))[0] | \
+ ((UInt32)((const Byte *)(p))[1] << 8) | \
+ ((UInt32)((const Byte *)(p))[2] << 16) | \
+ ((UInt32)((const Byte *)(p))[3] << 24))
+
+#define GetUi64(p) (GetUi32(p) | ((UInt64)GetUi32(((const Byte *)(p)) + 4) << 32))
+
+#define SetUi32(p, d) { UInt32 _x_ = (d); \
+ ((Byte *)(p))[0] = (Byte)_x_; \
+ ((Byte *)(p))[1] = (Byte)(_x_ >> 8); \
+ ((Byte *)(p))[2] = (Byte)(_x_ >> 16); \
+ ((Byte *)(p))[3] = (Byte)(_x_ >> 24); }
+
+#endif
+
+#if defined(LITTLE_ENDIAN_UNALIGN) && defined(_WIN64) && (_MSC_VER >= 1300)
+
+#pragma intrinsic(_byteswap_ulong)
+#pragma intrinsic(_byteswap_uint64)
+#define GetBe32(p) _byteswap_ulong(*(const UInt32 *)(const Byte *)(p))
+#define GetBe64(p) _byteswap_uint64(*(const UInt64 *)(const Byte *)(p))
+
+#else
+
+#define GetBe32(p) ( \
+ ((UInt32)((const Byte *)(p))[0] << 24) | \
+ ((UInt32)((const Byte *)(p))[1] << 16) | \
+ ((UInt32)((const Byte *)(p))[2] << 8) | \
+ ((const Byte *)(p))[3] )
+
+#define GetBe64(p) (((UInt64)GetBe32(p) << 32) | GetBe32(((const Byte *)(p)) + 4))
+
+#endif
+
+#define GetBe16(p) (((UInt16)((const Byte *)(p))[0] << 8) | ((const Byte *)(p))[1])
+
+#endif
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