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do not handle reserved bits yet

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Stanislav Shwartsman 2011-03-15 20:22:17 +00:00
parent 63fe52f601
commit 6deb746464
1 changed files with 2 additions and 10 deletions
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12
bochs/cpu/crregs.h
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@ -173,16 +173,7 @@ struct bx_dr7_t {
IMPLEMENT_DRREG_ACCESSORS(bp_enabled, 0xFF, 0);
BX_CPP_INLINE Bit32u get32() const { return val32; }
BX_CPP_INLINE void set32(Bit32u val) {
#if BX_CPU_LEVEL <= 4
// 386/486: you can play with all the bits except b10 is always 1
val32 = val | 0x00000400;
#else
// Pentium+: bits15,14,12 are hardwired to 0, rest are settable.
// Even bits 11,10 are changeable though reserved.
val32 = (val & 0xffff2fff) | 0x00000400;
#endif
}
BX_CPP_INLINE void set32(Bit32u val) { val32 = val; }
};
#if BX_SUPPORT_X86_64
@ -234,6 +225,7 @@ struct xcr0_t {
#endif
#undef IMPLEMENT_CRREG_ACCESSORS
#undef IMPLEMENT_DRREG_ACCESSORS
typedef struct msr {
unsigned index; // MSR index