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nova: provide assessors in utcb for efer register

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Issue #1413
This commit is contained in:
Alexander Boettcher 2015-02-18 18:01:17 +01:00 committed by Christian Helmuth
parent e4194b4f44
commit d86380d744
1 changed files with 10 additions and 2 deletions
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12
repos/base-nova/include/nova/syscall-generic.h
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@ -474,7 +474,7 @@ namespace Nova {
unsigned limit; unsigned limit;
mword_t base; mword_t base;
#ifndef __x86_64__ #ifndef __x86_64__
mword_t reserved; mword_t reserved;
#endif #endif
} es, cs, ss, ds, fs, gs, ldtr, tr; } es, cs, ss, ds, fs, gs, ldtr, tr;
struct { struct {
@ -482,7 +482,7 @@ namespace Nova {
unsigned limit; unsigned limit;
mword_t base; mword_t base;
#ifndef __x86_64__ #ifndef __x86_64__
mword_t reserved1; mword_t reserved1;
#endif #endif
} gdtr, idtr; } gdtr, idtr;
unsigned long long tsc_val, tsc_off; unsigned long long tsc_val, tsc_off;
@ -495,6 +495,14 @@ namespace Nova {
bool is_del() { return hotspot & 0x1; } bool is_del() { return hotspot & 0x1; }
}; };
#ifdef __x86_64__
inline mword_t read_efer() { return efer; }
inline void write_efer(mword_t e) { efer = e; }
#else
inline mword_t read_efer() { return 0UL; }
inline void write_efer(mword_t) { }
#endif
/** /**
* Set number of untyped message words * Set number of untyped message words
* *