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[Xen-merge] [PATCH 15/23] segment subarch headers

from [Chris Wright] [Permanent Link][Original]
To: xen-merge@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-merge] [PATCH 15/23] segment subarch headers
From: Chris Wright <chrisw@xxxxxxxx>
Date: Mon, 08 Aug 2005 00:02:51 -0700
Delivery-date: Mon, 08 Aug 2005 07:06:35 +0000
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--- linux-2.6.12-xen0-arch.orig/include/asm-i386/ptrace.h
+++ linux-2.6.12-xen0-arch/include/asm-i386/ptrace.h
@@ -55,9 +55,9 @@ struct pt_regs {
 #define PTRACE_SET_THREAD_AREA    26
 
 #ifdef __KERNEL__
+#include <mach_ptrace.h>
 struct task_struct;
 extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int 
error_code);
-#define user_mode(regs) ((VM_MASK & (regs)->eflags) || (3 & (regs)->xcs))
 #define instruction_pointer(regs) ((regs)->eip)
 #if defined(CONFIG_SMP) && defined(CONFIG_FRAME_POINTER)
 extern unsigned long profile_pc(struct pt_regs *regs);
--- /dev/null
+++ linux-2.6.12-xen0-arch/include/asm-i386/mach-default/mach_ptrace.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_MACH_PTRACE_H
+#define __ASM_MACH_PTRACE_H
+
+#define user_mode(regs) ((VM_MASK & (regs)->eflags) || (3 & (regs)->xcs))
+
+#endif
--- linux-2.6.12-xen0-arch.orig/include/asm-i386/segment.h
+++ linux-2.6.12-xen0-arch/include/asm-i386/segment.h
@@ -1,101 +1,6 @@
 #ifndef _ASM_SEGMENT_H
 #define _ASM_SEGMENT_H
 
-/*
- * The layout of the per-CPU GDT under Linux:
- *
- *   0 - null
- *   1 - reserved
- *   2 - reserved
- *   3 - reserved
- *
- *   4 - unused                        <==== new cacheline
- *   5 - unused
- *
- *  ------- start of TLS (Thread-Local Storage) segments:
- *
- *   6 - TLS segment #1                        [ glibc's TLS segment ]
- *   7 - TLS segment #2                        [ Wine's %fs Win32 segment ]
- *   8 - TLS segment #3
- *   9 - reserved
- *  10 - reserved
- *  11 - reserved
- *
- *  ------- start of kernel segments:
- *
- *  12 - kernel code segment           <==== new cacheline
- *  13 - kernel data segment
- *  14 - default user CS
- *  15 - default user DS
- *  16 - TSS
- *  17 - LDT
- *  18 - PNPBIOS support (16->32 gate)
- *  19 - PNPBIOS support
- *  20 - PNPBIOS support
- *  21 - PNPBIOS support
- *  22 - PNPBIOS support
- *  23 - APM BIOS support
- *  24 - APM BIOS support
- *  25 - APM BIOS support 
- *
- *  26 - ESPFIX small SS
- *  27 - unused
- *  28 - unused
- *  29 - unused
- *  30 - unused
- *  31 - TSS for double fault handler
- */
-#define GDT_ENTRY_TLS_ENTRIES  3
-#define GDT_ENTRY_TLS_MIN      6
-#define GDT_ENTRY_TLS_MAX      (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
-
-#define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8)
-
-#define GDT_ENTRY_DEFAULT_USER_CS      14
-#define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS * 8 + 3)
-
-#define GDT_ENTRY_DEFAULT_USER_DS      15
-#define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS * 8 + 3)
-
-#define GDT_ENTRY_KERNEL_BASE  12
-
-#define GDT_ENTRY_KERNEL_CS            (GDT_ENTRY_KERNEL_BASE + 0)
-#define __KERNEL_CS (GDT_ENTRY_KERNEL_CS * 8)
-
-#define GDT_ENTRY_KERNEL_DS            (GDT_ENTRY_KERNEL_BASE + 1)
-#define __KERNEL_DS (GDT_ENTRY_KERNEL_DS * 8)
-
-#define GDT_ENTRY_TSS                  (GDT_ENTRY_KERNEL_BASE + 4)
-#define GDT_ENTRY_LDT                  (GDT_ENTRY_KERNEL_BASE + 5)
-
-#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
-
-/*
- * The GDT has 32 entries
- */
-#define GDT_ENTRIES 32
-
-#define GDT_SIZE (GDT_ENTRIES * 8)
-
-/* Simple and small GDT entries for booting only */
-
-#define GDT_ENTRY_BOOT_CS              2
-#define __BOOT_CS      (GDT_ENTRY_BOOT_CS * 8)
-
-#define GDT_ENTRY_BOOT_DS              (GDT_ENTRY_BOOT_CS + 1)
-#define __BOOT_DS      (GDT_ENTRY_BOOT_DS * 8)
-
-/*
- * The interrupt descriptor table has room for 256 idt's,
- * the global descriptor table is dependent on the number
- * of tasks we can have..
- */
-#define IDT_ENTRIES 256
+#include <mach_segment.h>
 
 #endif
--- /dev/null
+++ linux-2.6.12-xen0-arch/include/asm-i386/mach-default/mach_segment.h
@@ -0,0 +1,101 @@
+#ifndef _ASM_MACH_SEGMENT_H
+#define _ASM_MACH_SEGMENT_H
+
+/*
+ * The layout of the per-CPU GDT under Linux:
+ *
+ *   0 - null
+ *   1 - reserved
+ *   2 - reserved
+ *   3 - reserved
+ *
+ *   4 - unused                        <==== new cacheline
+ *   5 - unused
+ *
+ *  ------- start of TLS (Thread-Local Storage) segments:
+ *
+ *   6 - TLS segment #1                        [ glibc's TLS segment ]
+ *   7 - TLS segment #2                        [ Wine's %fs Win32 segment ]
+ *   8 - TLS segment #3
+ *   9 - reserved
+ *  10 - reserved
+ *  11 - reserved
+ *
+ *  ------- start of kernel segments:
+ *
+ *  12 - kernel code segment           <==== new cacheline
+ *  13 - kernel data segment
+ *  14 - default user CS
+ *  15 - default user DS
+ *  16 - TSS
+ *  17 - LDT
+ *  18 - PNPBIOS support (16->32 gate)
+ *  19 - PNPBIOS support
+ *  20 - PNPBIOS support
+ *  21 - PNPBIOS support
+ *  22 - PNPBIOS support
+ *  23 - APM BIOS support
+ *  24 - APM BIOS support
+ *  25 - APM BIOS support 
+ *
+ *  26 - ESPFIX small SS
+ *  27 - unused
+ *  28 - unused
+ *  29 - unused
+ *  30 - unused
+ *  31 - TSS for double fault handler
+ */
+#define GDT_ENTRY_TLS_ENTRIES  3
+#define GDT_ENTRY_TLS_MIN      6
+#define GDT_ENTRY_TLS_MAX      (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
+
+#define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8)
+
+#define GDT_ENTRY_DEFAULT_USER_CS      14
+#define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS * 8 + 3)
+
+#define GDT_ENTRY_DEFAULT_USER_DS      15
+#define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS * 8 + 3)
+
+#define GDT_ENTRY_KERNEL_BASE  12
+
+#define GDT_ENTRY_KERNEL_CS            (GDT_ENTRY_KERNEL_BASE + 0)
+#define __KERNEL_CS (GDT_ENTRY_KERNEL_CS * 8)
+
+#define GDT_ENTRY_KERNEL_DS            (GDT_ENTRY_KERNEL_BASE + 1)
+#define __KERNEL_DS (GDT_ENTRY_KERNEL_DS * 8)
+
+#define GDT_ENTRY_TSS                  (GDT_ENTRY_KERNEL_BASE + 4)
+#define GDT_ENTRY_LDT                  (GDT_ENTRY_KERNEL_BASE + 5)
+
+#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
+
+/*
+ * The GDT has 32 entries
+ */
+#define GDT_ENTRIES 32
+
+#define GDT_SIZE (GDT_ENTRIES * 8)
+
+/* Simple and small GDT entries for booting only */
+
+#define GDT_ENTRY_BOOT_CS              2
+#define __BOOT_CS      (GDT_ENTRY_BOOT_CS * 8)
+
+#define GDT_ENTRY_BOOT_DS              (GDT_ENTRY_BOOT_CS + 1)
+#define __BOOT_DS      (GDT_ENTRY_BOOT_DS * 8)
+
+/*
+ * The interrupt descriptor table has room for 256 idt's,
+ * the global descriptor table is dependent on the number
+ * of tasks we can have..
+ */
+#define IDT_ENTRIES 256
+
+#endif
--- linux-2.6.12-xen0/include/asm-i386/mach-xen/mach_ptrace.h   1969-12-31 
16:00:00.000000000 -0800
+++ linux-2.6.12-xen0-arch/include/asm-i386/mach-xen/mach_ptrace.h      
2005-08-02 00:21:16.000000000 -0700
@@ -0,0 +1,6 @@
+#ifndef __ASM_MACH_PTRACE_H
+#define __ASM_MACH_PTRACE_H
+
+#define user_mode(regs) ((VM_MASK & (regs)->eflags) || (2 & (regs)->xcs))
+
+#endif
--- linux-2.6.12-xen0/include/asm-i386/mach-xen/mach_segment.h  1969-12-31 
16:00:00.000000000 -0800
+++ linux-2.6.12-xen0-arch/include/asm-i386/mach-xen/mach_segment.h     
2005-07-29 16:39:20.000000000 -0700
@@ -0,0 +1,99 @@
+#ifndef _ASM_MACH_SEGMENT_H
+#define _ASM_MACH_SEGMENT_H
+
+/*
+ * The layout of the per-CPU GDT under Linux:
+ *
+ *   0 - null
+ *   1 - reserved
+ *   2 - reserved
+ *   3 - reserved
+ *
+ *   4 - unused                        <==== new cacheline
+ *   5 - unused
+ *
+ *  ------- start of TLS (Thread-Local Storage) segments:
+ *
+ *   6 - TLS segment #1                        [ glibc's TLS segment ]
+ *   7 - TLS segment #2                        [ Wine's %fs Win32 segment ]
+ *   8 - TLS segment #3
+ *   9 - reserved
+ *  10 - reserved
+ *  11 - reserved
+ *
+ *  ------- start of kernel segments:
+ *
+ *  12 - kernel code segment           <==== new cacheline
+ *  13 - kernel data segment
+ *  14 - default user CS
+ *  15 - default user DS
+ *  16 - TSS
+ *  17 - LDT
+ *  18 - PNPBIOS support (16->32 gate)
+ *  19 - PNPBIOS support
+ *  20 - PNPBIOS support
+ *  21 - PNPBIOS support
+ *  22 - PNPBIOS support
+ *  23 - APM BIOS support
+ *  24 - APM BIOS support
+ *  25 - APM BIOS support 
+ *
+ *  26 - ESPFIX small SS
+ *  27 - unused
+ *  28 - unused
+ *  29 - unused
+ *  30 - unused
+ *  31 - TSS for double fault handler
+ */
+#define GDT_ENTRY_TLS_ENTRIES  3
+#define GDT_ENTRY_TLS_MIN      6
+#define GDT_ENTRY_TLS_MAX      (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
+
+#define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8)
+
+#define GDT_ENTRY_DEFAULT_USER_CS      14
+#define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS * 8 + 3)
+
+#define GDT_ENTRY_DEFAULT_USER_DS      15
+#define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS * 8 + 3)
+
+#define GDT_ENTRY_KERNEL_BASE  12
+
+#define GDT_ENTRY_KERNEL_CS            (GDT_ENTRY_KERNEL_BASE + 0)
+#define __KERNEL_CS (GDT_ENTRY_KERNEL_CS * 8 + 1)
+
+#define GDT_ENTRY_KERNEL_DS            (GDT_ENTRY_KERNEL_BASE + 1)
+#define __KERNEL_DS (GDT_ENTRY_KERNEL_DS * 8 + 1)
+
+#define GDT_ENTRY_TSS                  (GDT_ENTRY_KERNEL_BASE + 4)
+#define GDT_ENTRY_LDT                  (GDT_ENTRY_KERNEL_BASE + 5)
+
+#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
+
+/*
+ * The GDT has 32 entries
+ */
+#define GDT_ENTRIES 32
+
+#define GDT_SIZE (GDT_ENTRIES * 8)
+
+/* Simple and small GDT entries for booting only */
+
+#define __BOOT_CS      FLAT_KERNEL_CS
+
+#define __BOOT_DS      FLAT_KERNEL_DS
+
+/*
+ * The interrupt descriptor table has room for 256 idt's,
+ * the global descriptor table is dependent on the number
+ * of tasks we can have..
+ */
+#define IDT_ENTRIES 256
+
+#endif

--


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