#include <linux/cpumask.h>
#include <linux/init.h>
#include <asm/processor-flags.h>
+#include <asm/desc_defs.h>
/* flag for disabling the tsc */
extern int tsc_disable;
-struct desc_struct {
- unsigned long a,b;
-};
-
static inline int desc_empty(const void *ptr)
{
const u32 *desc = ptr;
static inline void detect_ht(struct cpuinfo_x86 *c) {}
#endif
-static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
- unsigned int *ecx, unsigned int *edx)
-{
- /* ecx is often an input as well as an output. */
- __asm__("cpuid"
- : "=a" (*eax),
- "=b" (*ebx),
- "=c" (*ecx),
- "=d" (*edx)
- : "0" (*eax), "2" (*ecx));
-}
-
#define load_cr3(pgdir) write_cr3(__pa(pgdir))
/*
unsigned long io_bitmap_max;
/* MSR_IA32_DEBUGCTLMSR value to switch in if TIF_DEBUGCTLMSR is set. */
unsigned long debugctlmsr;
+/* Debug Store - if not 0 points to a DS Save Area configuration;
+ * goes into MSR_IA32_DS_AREA */
+ unsigned long ds_area_msr;
};
#define INIT_THREAD { \
#include <asm/paravirt.h>
#else
#define paravirt_enabled() 0
-#define __cpuid native_cpuid
static inline void load_sp0(struct tss_struct *tss, struct thread_struct *thread)
{
#define set_iopl_mask native_set_iopl_mask
#endif /* CONFIG_PARAVIRT */
-/*
- * Generic CPUID function
- * clear %ecx since some cpus (Cyrix MII) do not set or clear %ecx
- * resulting in stale register contents being returned.
- */
-static inline void cpuid(unsigned int op,
- unsigned int *eax, unsigned int *ebx,
- unsigned int *ecx, unsigned int *edx)
-{
- *eax = op;
- *ecx = 0;
- __cpuid(eax, ebx, ecx, edx);
-}
-
-/* Some CPUID calls want 'count' to be placed in ecx */
-static inline void cpuid_count(unsigned int op, int count,
- unsigned int *eax, unsigned int *ebx,
- unsigned int *ecx, unsigned int *edx)
-{
- *eax = op;
- *ecx = count;
- __cpuid(eax, ebx, ecx, edx);
-}
-
-/*
- * CPUID functions returning a single datum
- */
-static inline unsigned int cpuid_eax(unsigned int op)
-{
- unsigned int eax, ebx, ecx, edx;
-
- cpuid(op, &eax, &ebx, &ecx, &edx);
- return eax;
-}
-static inline unsigned int cpuid_ebx(unsigned int op)
-{
- unsigned int eax, ebx, ecx, edx;
-
- cpuid(op, &eax, &ebx, &ecx, &edx);
- return ebx;
-}
-static inline unsigned int cpuid_ecx(unsigned int op)
-{
- unsigned int eax, ebx, ecx, edx;
-
- cpuid(op, &eax, &ebx, &ecx, &edx);
- return ecx;
-}
-static inline unsigned int cpuid_edx(unsigned int op)
-{
- unsigned int eax, ebx, ecx, edx;
-
- cpuid(op, &eax, &ebx, &ecx, &edx);
- return edx;
-}
-
/* generic versions from gas */
#define GENERIC_NOP1 ".byte 0x90\n"
#define GENERIC_NOP2 ".byte 0x89,0xf6\n"