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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2006-11-05 20:39:25 +0000
committerThomas Schwinge <tschwinge@gnu.org>2009-06-18 00:26:50 +0200
commit851fdb496728e83cdb3f591a674d3425efc1f11c (patch)
treedb509b0e1331721cfc4228fbdd85a111692d148e /linux/dev/include
parent0487d0193161eae0f56d2f9eab0d901dc8d0fe07 (diff)
2006-11-05 Barry deFreese <bddebian@comcast.net>
[task #5878 --- ``Backport code from GNU Mach's trunk to gnumach-1-branch: i386_set_gdt, i386_get_gdt''] * i386/include/mach/i386/mach_i386.defs (i386_set_gdt, i386_get_gdt): New routines. * i386/i386/user_ldt.c (i386_set_gdt, i386_get_gdt): New functions. * i386/i386/gdt.h (USER_GDT, USER_GDT_SLOTS): New macros. (GDTSZ): Compute it from USER_GDT and USER_GDT_SLOTS. * i386/i386/thread.h: Include `gdt.h'. (struct i386_machine_state): New member `user_gdt'. * i386/i386/pcb.c (switch_ktss): Copy those slots into the GDT. * linux/dev/include/linux/head.h: New file.
Diffstat (limited to 'linux/dev/include')
-rw-r--r--linux/dev/include/linux/head.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/linux/dev/include/linux/head.h b/linux/dev/include/linux/head.h
new file mode 100644
index 0000000..c501f21
--- /dev/null
+++ b/linux/dev/include/linux/head.h
@@ -0,0 +1,20 @@
+#ifndef _LINUX_HEAD_H
+#define _LINUX_HEAD_H
+
+typedef struct desc_struct {
+ unsigned long a,b;
+} desc_table[256];
+
+/* XXX Linux code shouldn't use idt/gdt directly */
+/* extern desc_table idt,gdt; */
+
+#define GDT_NUL 0
+#define GDT_CODE 1
+#define GDT_DATA 2
+#define GDT_TMP 3
+
+#define LDT_NUL 0
+#define LDT_CODE 1
+#define LDT_DATA 2
+
+#endif