38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
/* CpuArch.h -- CPU specific code
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2010-10-26: Igor Pavlov : Public domain */
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#ifndef __CPU_ARCH_H
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#define __CPU_ARCH_H
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#include "Types.h"
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#include "others.h"
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EXTERN_C_BEGIN
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/*
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MY_CPU_LE means that CPU is LITTLE ENDIAN.
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If MY_CPU_LE is not defined, we don't know about that property of platform (it can be LITTLE ENDIAN).
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MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses.
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If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of platform.
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*/
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#define GetUi16(p) (cli_readint16(p))
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#define GetUi32(p) (cli_readint32(p))
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#define GetUi64(p) (GetUi32(p) | ((UInt64)GetUi32(((const Byte *)(p)) + 4) << 32))
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#define SetUi16(p, d) { UInt32 _x_ = (d); \
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((Byte *)(p))[0] = (Byte)_x_; \
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((Byte *)(p))[1] = (Byte)(_x_ >> 8); }
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#define SetUi32(p, d) (cli_writeint32(p, d))
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#define SetUi64(p, d) { UInt64 _x64_ = (d); \
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SetUi32(p, (UInt32)_x64_); \
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SetUi32(((Byte *)(p)) + 4, (UInt32)(_x64_ >> 32)); }
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#define GetBe16(p) (((UInt16)((const Byte *)(p))[0] << 8) | ((const Byte *)(p))[1])
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#endif
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