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-rw-r--r--include/asm-x86/required-features_64.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/asm-x86/required-features_64.h b/include/asm-x86/required-features_64.h
new file mode 100644
index 0000000..e80d576
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+++ b/include/asm-x86/required-features_64.h
@@ -0,0 +1,46 @@
+#ifndef _ASM_REQUIRED_FEATURES_H
+#define _ASM_REQUIRED_FEATURES_H 1
+
+/* Define minimum CPUID feature set for kernel These bits are checked
+ really early to actually display a visible error message before the
+ kernel dies. Make sure to assign features to the proper mask!
+
+ The real information is in arch/x86_64/Kconfig.cpu, this just converts
+ the CONFIGs into a bitmask */
+
+/* x86-64 baseline features */
+#define NEED_FPU (1<<(X86_FEATURE_FPU & 31))
+#define NEED_PSE (1<<(X86_FEATURE_PSE & 31))
+#define NEED_MSR (1<<(X86_FEATURE_MSR & 31))
+#define NEED_PAE (1<<(X86_FEATURE_PAE & 31))
+#define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31))
+#define NEED_PGE (1<<(X86_FEATURE_PGE & 31))
+#define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31))
+#define NEED_CMOV (1<<(X86_FEATURE_CMOV & 31))
+#define NEED_XMM (1<<(X86_FEATURE_XMM & 31))
+#define NEED_XMM2 (1<<(X86_FEATURE_XMM2 & 31))
+
+#define REQUIRED_MASK0 (NEED_FPU|NEED_PSE|NEED_MSR|NEED_PAE|\
+ NEED_CX8|NEED_PGE|NEED_FXSR|NEED_CMOV|\
+ NEED_XMM|NEED_XMM2)
+#define SSE_MASK (NEED_XMM|NEED_XMM2)
+
+/* x86-64 baseline features */
+#define NEED_LM (1<<(X86_FEATURE_LM & 31))
+
+#ifdef CONFIG_X86_USE_3DNOW
+# define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31))
+#else
+# define NEED_3DNOW 0
+#endif
+
+#define REQUIRED_MASK1 (NEED_LM|NEED_3DNOW)
+
+#define REQUIRED_MASK2 0
+#define REQUIRED_MASK3 0
+#define REQUIRED_MASK4 0
+#define REQUIRED_MASK5 0
+#define REQUIRED_MASK6 0
+#define REQUIRED_MASK7 0
+
+#endif
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