diff options
Diffstat (limited to 'include/asm-i386/system.h')
-rw-r--r-- | include/asm-i386/system.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h index a6dabbcd6e6a..a6d20d9a1a30 100644 --- a/include/asm-i386/system.h +++ b/include/asm-i386/system.h | |||
@@ -88,6 +88,9 @@ __asm__ __volatile__ ("movw %%dx,%1\n\t" \ | |||
88 | #define savesegment(seg, value) \ | 88 | #define savesegment(seg, value) \ |
89 | asm volatile("mov %%" #seg ",%0":"=rm" (value)) | 89 | asm volatile("mov %%" #seg ",%0":"=rm" (value)) |
90 | 90 | ||
91 | #ifdef CONFIG_PARAVIRT | ||
92 | #include <asm/paravirt.h> | ||
93 | #else | ||
91 | #define read_cr0() ({ \ | 94 | #define read_cr0() ({ \ |
92 | unsigned int __dummy; \ | 95 | unsigned int __dummy; \ |
93 | __asm__ __volatile__( \ | 96 | __asm__ __volatile__( \ |
@@ -139,17 +142,18 @@ __asm__ __volatile__ ("movw %%dx,%1\n\t" \ | |||
139 | #define write_cr4(x) \ | 142 | #define write_cr4(x) \ |
140 | __asm__ __volatile__("movl %0,%%cr4": :"r" (x)) | 143 | __asm__ __volatile__("movl %0,%%cr4": :"r" (x)) |
141 | 144 | ||
142 | /* | 145 | #define wbinvd() \ |
143 | * Clear and set 'TS' bit respectively | 146 | __asm__ __volatile__ ("wbinvd": : :"memory") |
144 | */ | 147 | |
148 | /* Clear the 'TS' bit */ | ||
145 | #define clts() __asm__ __volatile__ ("clts") | 149 | #define clts() __asm__ __volatile__ ("clts") |
150 | #endif/* CONFIG_PARAVIRT */ | ||
151 | |||
152 | /* Set the 'TS' bit */ | ||
146 | #define stts() write_cr0(8 | read_cr0()) | 153 | #define stts() write_cr0(8 | read_cr0()) |
147 | 154 | ||
148 | #endif /* __KERNEL__ */ | 155 | #endif /* __KERNEL__ */ |
149 | 156 | ||
150 | #define wbinvd() \ | ||
151 | __asm__ __volatile__ ("wbinvd": : :"memory") | ||
152 | |||
153 | static inline unsigned long get_limit(unsigned long segment) | 157 | static inline unsigned long get_limit(unsigned long segment) |
154 | { | 158 | { |
155 | unsigned long __limit; | 159 | unsigned long __limit; |