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authorpeter <peter@FreeBSD.org>2004-06-08 01:02:52 +0000
committerpeter <peter@FreeBSD.org>2004-06-08 01:02:52 +0000
commit35d8561b4c4fdd818bacce23bc56f142116331dc (patch)
tree86f958b9ec27080d541002eb44a28fbb349d202d /sys/amd64/include/specialreg.h
parent8a41fbc2075568db0ac84b7c65974c27c858362f (diff)
downloadFreeBSD-src-35d8561b4c4fdd818bacce23bc56f142116331dc.zip
FreeBSD-src-35d8561b4c4fdd818bacce23bc56f142116331dc.tar.gz
Initial PG_NX support (no-execute page bit)
- export the rest of the cpu features (and amd's features). - turn on EFER_NXE, depending on the NX amd feature bit - reorg the identcpu stuff a bit in order to stop treating the amd features as second class features (since it is now a primary feature bit set) and make it easier to export.
Diffstat (limited to 'sys/amd64/include/specialreg.h')
-rw-r--r--sys/amd64/include/specialreg.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/sys/amd64/include/specialreg.h b/sys/amd64/include/specialreg.h
index 905bbf0..37f2328 100644
--- a/sys/amd64/include/specialreg.h
+++ b/sys/amd64/include/specialreg.h
@@ -112,6 +112,22 @@
#define CPUID_B30 0x40000000
#define CPUID_PBE 0x80000000
+#define CPUID2_SSE3 0x00000001
+#define CPUID2_MON 0x00000008
+#define CPUID2_DS_CPL 0x00000010
+#define CPUID2_EST 0x00000080
+#define CPUID2_TM2 0x00000100
+#define CPUID2_CNTXID 0x00000400
+#define CPUID2_CX16 0x00002000
+
+/*
+ * Important bits in the AMD extended cpuid flags
+ */
+#define AMDID_SYSCALL 0x00000800
+#define AMDID_MP 0x00080000
+#define AMDID_NX 0x00100000
+#define AMDID_LM 0x20000000
+
/*
* CPUID instruction 1 ebx info
*/
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