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Add X86_MSR constants, implement __lgdt, __sgdt, __lldt, __sldt, __ldmxcsr, __stmxcsr, __ltr, __str intrinsics.

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svn path=/branches/ros-amd64-bringup/; revision=35618
This commit is contained in:
Timo Kreuzer
2008-08-25 00:10:15 +00:00
parent 1274624c6b
commit 3ec5ec2e94
2 changed files with 41 additions and 17 deletions
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reactos/ntoskrnl/include/internal/amd64/intrin_i.h
+37 -17
View File
@@ -11,25 +11,45 @@
#if defined(__GNUC__)
#define Ke386SetInterruptDescriptorTable(X) \
__asm__("lidt %0\n\t" \
: /* no outputs */ \
: "m" (X));
static __inline__ __attribute__((always_inline)) void __lgdt(void *Source)
{
__asm__ __volatile__("lgdt %0" : : "m"(*(short*)Source));
}
#define Ke386GetInterruptDescriptorTable(X) \
__asm__("sidt %0\n\t" \
: /* no outputs */ \
: "m" (X));
static __inline__ __attribute__((always_inline)) void __sgdt(void *Destination)
{
__asm__ __volatile__("sgdt %0" : : "m"(*(short*)Destination) : "memory");
}
#define Ke386SetGlobalDescriptorTable(X) \
__asm__("lgdt %0\n\t" \
: /* no outputs */ \
: "m" (X));
static __inline__ __attribute__((always_inline)) void __lldt(void *Source)
{
__asm__ __volatile__("lldt %0" : : "m"(*(short*)Source));
}
#define Ke386GetGlobalDescriptorTable(X) \
__asm__("sgdt %0\n\t" \
: /* no outputs */ \
: "m" (X));
static __inline__ __attribute__((always_inline)) void __sldt(void *Destination)
{
__asm__ __volatile__("sldt %0" : : "m"(*(short*)Destination) : "memory");
}
static __inline__ __attribute__((always_inline)) void __ldmxcsr(unsigned long *Source)
{
__asm__ __volatile__("ldmxcsr %0" : : "m"(*Source));
}
static __inline__ __attribute__((always_inline)) void __stmxcsr(unsigned long *Destination)
{
__asm__ __volatile__("stmxcsr %0" : : "m"(*Destination) : "memory");
}
static __inline__ __attribute__((always_inline)) void __ltr(unsigned short *Source)
{
__asm__ __volatile__("ltr %0" : : "m"(*Source));
}
static __inline__ __attribute__((always_inline)) void __str(unsigned short *Destination)
{
__asm__ __volatile__("str %0" : : "m"(*Destination) : "memory");
}
#define Ke386GetLocalDescriptorTable(X) \
__asm__("sldt %0\n\t" \
@@ -61,7 +81,7 @@
#define _Ke386GetDr(N) ({ \
unsigned int __d; \
__asm__("movl %%dr" #N ",%0\n\t" :"=r" (__d)); \
__asm__("movq %%dr" #N ",%0\n\t" :"=r" (__d)); \
__d; \
})
reactos/ntoskrnl/include/internal/amd64/ke.h
+4
View File
@@ -45,6 +45,10 @@
#define X86_MSR_GSBASE 0xC0000101
#define X86_MSR_KERNEL_GSBASE 0xC0000102
#define X86_MSR_STAR 0xC0000081
#define X86_MSR_LSTAR 0xC0000082
#define X86_MSR_CSTAR 0xC0000083
#define X86_MSR_SFMASK 0xC0000084
#ifndef __ASM__