diff options
Diffstat (limited to 'freebsd/sys/i386/include/machine/cpufunc.h')
| -rw-r--r-- | freebsd/sys/i386/include/machine/cpufunc.h | 50 |
1 files changed, 46 insertions, 4 deletions
diff --git a/freebsd/sys/i386/include/machine/cpufunc.h b/freebsd/sys/i386/include/machine/cpufunc.h index c640b569..a029da3b 100644 --- a/freebsd/sys/i386/include/machine/cpufunc.h +++ b/freebsd/sys/i386/include/machine/cpufunc.h @@ -110,23 +110,49 @@ disable_intr(void) __asm __volatile("cli" : : : "memory"); } +#ifdef _KERNEL static __inline void do_cpuid(u_int ax, u_int *p) { __asm __volatile("cpuid" - : "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3]) - : "0" (ax)); + : "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3]) + : "0" (ax)); } static __inline void cpuid_count(u_int ax, u_int cx, u_int *p) { __asm __volatile("cpuid" - : "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3]) - : "0" (ax), "c" (cx)); + : "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3]) + : "0" (ax), "c" (cx)); +} +#else +static __inline void +do_cpuid(u_int ax, u_int *p) +{ + __asm __volatile( + "pushl\t%%ebx\n\t" + "cpuid\n\t" + "movl\t%%ebx,%1\n\t" + "popl\t%%ebx" + : "=a" (p[0]), "=DS" (p[1]), "=c" (p[2]), "=d" (p[3]) + : "0" (ax)); } static __inline void +cpuid_count(u_int ax, u_int cx, u_int *p) +{ + __asm __volatile( + "pushl\t%%ebx\n\t" + "cpuid\n\t" + "movl\t%%ebx,%1\n\t" + "popl\t%%ebx" + : "=a" (p[0]), "=DS" (p[1]), "=c" (p[2]), "=d" (p[3]) + : "0" (ax), "c" (cx)); +} +#endif + +static __inline void enable_intr(void) { @@ -708,6 +734,22 @@ intr_restore(register_t eflags) } #endif /* __rtems__ */ +static __inline uint32_t +rdpkru(void) +{ + uint32_t res; + + __asm __volatile("rdpkru" : "=a" (res) : "c" (0) : "edx"); + return (res); +} + +static __inline void +wrpkru(uint32_t mask) +{ + + __asm __volatile("wrpkru" : : "a" (mask), "c" (0), "d" (0)); +} + #else /* !(__GNUCLIKE_ASM && __CC_SUPPORTS___INLINE) */ #ifndef __rtems__ |