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swap bits in instr

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This commit is contained in:
Stanislav Shwartsman 2010-06-29 19:38:56 +00:00
parent 8e94474e03
commit d47c84320a
1 changed files with 8 additions and 8 deletions
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16
bochs/cpu/instr.h
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: instr.h,v 1.26 2010-02-24 19:27:51 sshwarts Exp $
// $Id: instr.h,v 1.27 2010-06-29 19:38:56 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2008-2009 Stanislav Shwartsman
@ -57,8 +57,8 @@ public:
// 7...7 extend8bit
// 6...6 as64
// 5...5 os64
// 4...4 as32
// 5...5 as32
// 4...4 os64
// 3...3 os32
// 2...2 mod==c0 (modrm)
// 1...0 repUsed (0=none, 2=0xF2, 3=0xF3)
@ -186,7 +186,7 @@ public:
// code, when a strict 0 or 1 is not necessary.
BX_CPP_INLINE void init(unsigned os32, unsigned as32, unsigned os64, unsigned as64)
{
metaInfo.metaInfo1 = (os32<<3) | (as32<<4) | (os64<<5) | (as64<<6);
metaInfo.metaInfo1 = (os32<<3) | (os64<<4) | (as32<<5) | (as64<<6);
}
BX_CPP_INLINE unsigned os32L(void) const {
@ -200,18 +200,18 @@ public:
}
BX_CPP_INLINE unsigned as32L(void) const {
return metaInfo.metaInfo1 & (1<<4);
return metaInfo.metaInfo1 & (1<<5);
}
BX_CPP_INLINE void setAs32B(unsigned bit) {
metaInfo.metaInfo1 = (metaInfo.metaInfo1 & ~(1<<4)) | (bit<<4);
metaInfo.metaInfo1 = (metaInfo.metaInfo1 & ~(1<<5)) | (bit<<5);
}
#if BX_SUPPORT_X86_64
BX_CPP_INLINE unsigned os64L(void) const {
return metaInfo.metaInfo1 & (1<<5);
return metaInfo.metaInfo1 & (1<<4);
}
BX_CPP_INLINE void assertOs64(void) {
metaInfo.metaInfo1 |= (1<<5);
metaInfo.metaInfo1 |= (1<<4);
}
#else
BX_CPP_INLINE unsigned os64L(void) const { return 0; }