Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / include / asm-i386 / segment.h

diff --git a/include/asm-i386/segment.h b/include/asm-i386/segment.h
index abe3440..faf9953 100644 (file)
--- a/include/asm-i386/segment.h
+++ b/include/asm-i386/segment.h
@@ -38,7 +38,7 @@
  *  24 - APM BIOS support
  *  25 - APM BIOS support 
  *
- *  26 - unused
+ *  26 - ESPFIX small SS
  *  27 - unused
  *  28 - unused
  *  29 - unused
@@ -71,6 +71,9 @@
 #define GDT_ENTRY_PNPBIOS_BASE         (GDT_ENTRY_KERNEL_BASE + 6)
 #define GDT_ENTRY_APMBIOS_BASE         (GDT_ENTRY_KERNEL_BASE + 11)
 
+#define GDT_ENTRY_ESPFIX_SS            (GDT_ENTRY_KERNEL_BASE + 14)
+#define __ESPFIX_SS (GDT_ENTRY_ESPFIX_SS * 8)
+
 #define GDT_ENTRY_DOUBLEFAULT_TSS      31
 
 /*
@@ -88,6 +91,20 @@
 #define GDT_ENTRY_BOOT_DS              (GDT_ENTRY_BOOT_CS + 1)
 #define __BOOT_DS      (GDT_ENTRY_BOOT_DS * 8)
 
+/* The PnP BIOS entries in the GDT */
+#define GDT_ENTRY_PNPBIOS_CS32         (GDT_ENTRY_PNPBIOS_BASE + 0)
+#define GDT_ENTRY_PNPBIOS_CS16         (GDT_ENTRY_PNPBIOS_BASE + 1)
+#define GDT_ENTRY_PNPBIOS_DS           (GDT_ENTRY_PNPBIOS_BASE + 2)
+#define GDT_ENTRY_PNPBIOS_TS1          (GDT_ENTRY_PNPBIOS_BASE + 3)
+#define GDT_ENTRY_PNPBIOS_TS2          (GDT_ENTRY_PNPBIOS_BASE + 4)
+
+/* The PnP BIOS selectors */
+#define PNP_CS32   (GDT_ENTRY_PNPBIOS_CS32 * 8)        /* segment for calling fn */
+#define PNP_CS16   (GDT_ENTRY_PNPBIOS_CS16 * 8)        /* code segment for BIOS */
+#define PNP_DS     (GDT_ENTRY_PNPBIOS_DS * 8)  /* data segment for BIOS */
+#define PNP_TS1    (GDT_ENTRY_PNPBIOS_TS1 * 8) /* transfer data segment */
+#define PNP_TS2    (GDT_ENTRY_PNPBIOS_TS2 * 8) /* another data segment */
+
 /*
  * The interrupt descriptor table has room for 256 idt's,
  * the global descriptor table is dependent on the number