Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3c233d1334ffc8de63a4b6a6a86c40961aed335e
Commit:     3c233d1334ffc8de63a4b6a6a86c40961aed335e
Parent:     01c57fb6a3eefc34da17be1399453c0800bcff68
Author:     Harvey Harrison <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:31:26 2008 +0100
Committer:  Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:31:26 2008 +0100

    x86: unify kexec_{32|64}.h
    
    One section collecting all constant defines.  Ifdef the asm
    blocks for X86_32/64.
    
    Signed-off-by: Harvey Harrison <[EMAIL PROTECTED]>
    Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
    Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
    Reviewed-by: Vivek Goyal <[EMAIL PROTECTED]>
---
 include/asm-x86/kexec.h    |  169 +++++++++++++++++++++++++++++++++++++++++++-
 include/asm-x86/kexec_32.h |   99 --------------------------
 include/asm-x86/kexec_64.h |   94 ------------------------
 3 files changed, 167 insertions(+), 195 deletions(-)

diff --git a/include/asm-x86/kexec.h b/include/asm-x86/kexec.h
index 718ddbf..c90d3c7 100644
--- a/include/asm-x86/kexec.h
+++ b/include/asm-x86/kexec.h
@@ -1,5 +1,170 @@
+#ifndef _KEXEC_H
+#define _KEXEC_H
+
 #ifdef CONFIG_X86_32
-# include "kexec_32.h"
+# define PA_CONTROL_PAGE       0
+# define VA_CONTROL_PAGE       1
+# define PA_PGD                        2
+# define VA_PGD                        3
+# define PA_PTE_0              4
+# define VA_PTE_0              5
+# define PA_PTE_1              6
+# define VA_PTE_1              7
+# ifdef CONFIG_X86_PAE
+#  define PA_PMD_0             8
+#  define VA_PMD_0             9
+#  define PA_PMD_1             10
+#  define VA_PMD_1             11
+#  define PAGES_NR             12
+# else
+#  define PAGES_NR             8
+# endif
 #else
-# include "kexec_64.h"
+# define PA_CONTROL_PAGE       0
+# define VA_CONTROL_PAGE       1
+# define PA_PGD                        2
+# define VA_PGD                        3
+# define PA_PUD_0              4
+# define VA_PUD_0              5
+# define PA_PMD_0              6
+# define VA_PMD_0              7
+# define PA_PTE_0              8
+# define VA_PTE_0              9
+# define PA_PUD_1              10
+# define VA_PUD_1              11
+# define PA_PMD_1              12
+# define VA_PMD_1              13
+# define PA_PTE_1              14
+# define VA_PTE_1              15
+# define PA_TABLE_PAGE         16
+# define PAGES_NR              17
 #endif
+
+#ifndef __ASSEMBLY__
+
+#include <linux/string.h>
+
+#include <asm/page.h>
+#include <asm/ptrace.h>
+
+/*
+ * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
+ * I.e. Maximum page that is mapped directly into kernel memory,
+ * and kmap is not required.
+ *
+ * So far x86_64 is limited to 40 physical address bits.
+ */
+#ifdef CONFIG_X86_32
+/* Maximum physical address we can use pages from */
+# define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
+/* Maximum address we can reach in physical address mode */
+# define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
+/* Maximum address we can use for the control code buffer */
+# define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
+
+# define KEXEC_CONTROL_CODE_SIZE       4096
+
+/* The native architecture */
+# define KEXEC_ARCH KEXEC_ARCH_386
+
+/* We can also handle crash dumps from 64 bit kernel. */
+# define vmcore_elf_check_arch_cross(x) ((x)->e_machine == EM_X86_64)
+#else
+/* Maximum physical address we can use pages from */
+# define KEXEC_SOURCE_MEMORY_LIMIT      (0xFFFFFFFFFFUL)
+/* Maximum address we can reach in physical address mode */
+# define KEXEC_DESTINATION_MEMORY_LIMIT (0xFFFFFFFFFFUL)
+/* Maximum address we can use for the control pages */
+# define KEXEC_CONTROL_MEMORY_LIMIT     (0xFFFFFFFFFFUL)
+
+/* Allocate one page for the pdp and the second for the code */
+# define KEXEC_CONTROL_CODE_SIZE  (4096UL + 4096UL)
+
+/* The native architecture */
+# define KEXEC_ARCH KEXEC_ARCH_X86_64
+#endif
+
+/*
+ * CPU does not save ss and sp on stack if execution is already
+ * running in kernel mode at the time of NMI occurrence. This code
+ * fixes it.
+ */
+static inline void crash_fixup_ss_esp(struct pt_regs *newregs,
+                                     struct pt_regs *oldregs)
+{
+#ifdef CONFIG_X86_32
+       newregs->sp = (unsigned long)&(oldregs->sp);
+       __asm__ __volatile__(
+                       "xorl %%eax, %%eax\n\t"
+                       "movw %%ss, %%ax\n\t"
+                       :"=a"(newregs->ss));
+#endif
+}
+
+/*
+ * This function is responsible for capturing register states if coming
+ * via panic otherwise just fix up the ss and sp if coming via kernel
+ * mode exception.
+ */
+static inline void crash_setup_regs(struct pt_regs *newregs,
+                                   struct pt_regs *oldregs)
+{
+       if (oldregs) {
+               memcpy(newregs, oldregs, sizeof(*newregs));
+               crash_fixup_ss_esp(newregs, oldregs);
+       } else {
+#ifdef CONFIG_X86_32
+               __asm__ __volatile__("movl %%ebx,%0" : "=m"(newregs->bx));
+               __asm__ __volatile__("movl %%ecx,%0" : "=m"(newregs->cx));
+               __asm__ __volatile__("movl %%edx,%0" : "=m"(newregs->dx));
+               __asm__ __volatile__("movl %%esi,%0" : "=m"(newregs->si));
+               __asm__ __volatile__("movl %%edi,%0" : "=m"(newregs->di));
+               __asm__ __volatile__("movl %%ebp,%0" : "=m"(newregs->bp));
+               __asm__ __volatile__("movl %%eax,%0" : "=m"(newregs->ax));
+               __asm__ __volatile__("movl %%esp,%0" : "=m"(newregs->sp));
+               __asm__ __volatile__("movl %%ss, %%eax;" :"=a"(newregs->ss));
+               __asm__ __volatile__("movl %%cs, %%eax;" :"=a"(newregs->cs));
+               __asm__ __volatile__("movl %%ds, %%eax;" :"=a"(newregs->ds));
+               __asm__ __volatile__("movl %%es, %%eax;" :"=a"(newregs->es));
+               __asm__ __volatile__("pushfl; popl %0" :"=m"(newregs->flags));
+#else
+               __asm__ __volatile__("movq %%rbx,%0" : "=m"(newregs->bx));
+               __asm__ __volatile__("movq %%rcx,%0" : "=m"(newregs->cx));
+               __asm__ __volatile__("movq %%rdx,%0" : "=m"(newregs->dx));
+               __asm__ __volatile__("movq %%rsi,%0" : "=m"(newregs->si));
+               __asm__ __volatile__("movq %%rdi,%0" : "=m"(newregs->di));
+               __asm__ __volatile__("movq %%rbp,%0" : "=m"(newregs->bp));
+               __asm__ __volatile__("movq %%rax,%0" : "=m"(newregs->ax));
+               __asm__ __volatile__("movq %%rsp,%0" : "=m"(newregs->sp));
+               __asm__ __volatile__("movq %%r8,%0" : "=m"(newregs->r8));
+               __asm__ __volatile__("movq %%r9,%0" : "=m"(newregs->r9));
+               __asm__ __volatile__("movq %%r10,%0" : "=m"(newregs->r10));
+               __asm__ __volatile__("movq %%r11,%0" : "=m"(newregs->r11));
+               __asm__ __volatile__("movq %%r12,%0" : "=m"(newregs->r12));
+               __asm__ __volatile__("movq %%r13,%0" : "=m"(newregs->r13));
+               __asm__ __volatile__("movq %%r14,%0" : "=m"(newregs->r14));
+               __asm__ __volatile__("movq %%r15,%0" : "=m"(newregs->r15));
+               __asm__ __volatile__("movl %%ss, %%eax;" :"=a"(newregs->ss));
+               __asm__ __volatile__("movl %%cs, %%eax;" :"=a"(newregs->cs));
+               __asm__ __volatile__("pushfq; popq %0" :"=m"(newregs->flags));
+#endif
+               newregs->ip = (unsigned long)current_text_addr();
+       }
+}
+
+#ifdef CONFIG_X86_32
+asmlinkage NORET_TYPE void
+relocate_kernel(unsigned long indirection_page,
+               unsigned long control_page,
+               unsigned long start_address,
+               unsigned int has_pae) ATTRIB_NORET;
+#else
+NORET_TYPE void
+relocate_kernel(unsigned long indirection_page,
+               unsigned long page_list,
+               unsigned long start_address) ATTRIB_NORET;
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _KEXEC_H */
diff --git a/include/asm-x86/kexec_32.h b/include/asm-x86/kexec_32.h
deleted file mode 100644
index ff39d2f..0000000
--- a/include/asm-x86/kexec_32.h
+++ /dev/null
@@ -1,99 +0,0 @@
-#ifndef _I386_KEXEC_H
-#define _I386_KEXEC_H
-
-#define PA_CONTROL_PAGE  0
-#define VA_CONTROL_PAGE  1
-#define PA_PGD           2
-#define VA_PGD           3
-#define PA_PTE_0         4
-#define VA_PTE_0         5
-#define PA_PTE_1         6
-#define VA_PTE_1         7
-#ifdef CONFIG_X86_PAE
-#define PA_PMD_0         8
-#define VA_PMD_0         9
-#define PA_PMD_1         10
-#define VA_PMD_1         11
-#define PAGES_NR         12
-#else
-#define PAGES_NR         8
-#endif
-
-#ifndef __ASSEMBLY__
-
-#include <asm/ptrace.h>
-#include <asm/string.h>
-
-/*
- * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
- * I.e. Maximum page that is mapped directly into kernel memory,
- * and kmap is not required.
- */
-
-/* Maximum physical address we can use pages from */
-#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
-/* Maximum address we can reach in physical address mode */
-#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
-/* Maximum address we can use for the control code buffer */
-#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
-
-#define KEXEC_CONTROL_CODE_SIZE        4096
-
-/* The native architecture */
-#define KEXEC_ARCH KEXEC_ARCH_386
-
-/* We can also handle crash dumps from 64 bit kernel. */
-#define vmcore_elf_check_arch_cross(x) ((x)->e_machine == EM_X86_64)
-
-/* CPU does not save ss and sp on stack if execution is already
- * running in kernel mode at the time of NMI occurrence. This code
- * fixes it.
- */
-static inline void crash_fixup_ss_esp(struct pt_regs *newregs,
-                                       struct pt_regs *oldregs)
-{
-       memcpy(newregs, oldregs, sizeof(*newregs));
-       newregs->sp = (unsigned long)&(oldregs->sp);
-       __asm__ __volatile__(
-                       "xorl %%eax, %%eax\n\t"
-                       "movw %%ss, %%ax\n\t"
-                       :"=a"(newregs->ss));
-}
-
-/*
- * This function is responsible for capturing register states if coming
- * via panic otherwise just fix up the ss and sp if coming via kernel
- * mode exception.
- */
-static inline void crash_setup_regs(struct pt_regs *newregs,
-                                       struct pt_regs *oldregs)
-{
-       if (oldregs)
-               crash_fixup_ss_esp(newregs, oldregs);
-       else {
-               __asm__ __volatile__("movl %%ebx,%0" : "=m"(newregs->bx));
-               __asm__ __volatile__("movl %%ecx,%0" : "=m"(newregs->cx));
-               __asm__ __volatile__("movl %%edx,%0" : "=m"(newregs->dx));
-               __asm__ __volatile__("movl %%esi,%0" : "=m"(newregs->si));
-               __asm__ __volatile__("movl %%edi,%0" : "=m"(newregs->di));
-               __asm__ __volatile__("movl %%ebp,%0" : "=m"(newregs->bp));
-               __asm__ __volatile__("movl %%eax,%0" : "=m"(newregs->ax));
-               __asm__ __volatile__("movl %%esp,%0" : "=m"(newregs->sp));
-               __asm__ __volatile__("movl %%ss, %%eax;" :"=a"(newregs->ss));
-               __asm__ __volatile__("movl %%cs, %%eax;" :"=a"(newregs->cs));
-               __asm__ __volatile__("movl %%ds, %%eax;" :"=a"(newregs->ds));
-               __asm__ __volatile__("movl %%es, %%eax;" :"=a"(newregs->es));
-               __asm__ __volatile__("pushfl; popl %0" :"=m"(newregs->flags));
-
-               newregs->ip = (unsigned long)current_text_addr();
-       }
-}
-asmlinkage NORET_TYPE void
-relocate_kernel(unsigned long indirection_page,
-               unsigned long control_page,
-               unsigned long start_address,
-               unsigned int has_pae) ATTRIB_NORET;
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* _I386_KEXEC_H */
diff --git a/include/asm-x86/kexec_64.h b/include/asm-x86/kexec_64.h
deleted file mode 100644
index b5f989b..0000000
--- a/include/asm-x86/kexec_64.h
+++ /dev/null
@@ -1,94 +0,0 @@
-#ifndef _X86_64_KEXEC_H
-#define _X86_64_KEXEC_H
-
-#define PA_CONTROL_PAGE  0
-#define VA_CONTROL_PAGE  1
-#define PA_PGD           2
-#define VA_PGD           3
-#define PA_PUD_0         4
-#define VA_PUD_0         5
-#define PA_PMD_0         6
-#define VA_PMD_0         7
-#define PA_PTE_0         8
-#define VA_PTE_0         9
-#define PA_PUD_1         10
-#define VA_PUD_1         11
-#define PA_PMD_1         12
-#define VA_PMD_1         13
-#define PA_PTE_1         14
-#define VA_PTE_1         15
-#define PA_TABLE_PAGE    16
-#define PAGES_NR         17
-
-#ifndef __ASSEMBLY__
-
-#include <linux/string.h>
-
-#include <asm/page.h>
-#include <asm/ptrace.h>
-
-/*
- * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
- * I.e. Maximum page that is mapped directly into kernel memory,
- * and kmap is not required.
- *
- * So far x86_64 is limited to 40 physical address bits.
- */
-
-/* Maximum physical address we can use pages from */
-#define KEXEC_SOURCE_MEMORY_LIMIT      (0xFFFFFFFFFFUL)
-/* Maximum address we can reach in physical address mode */
-#define KEXEC_DESTINATION_MEMORY_LIMIT (0xFFFFFFFFFFUL)
-/* Maximum address we can use for the control pages */
-#define KEXEC_CONTROL_MEMORY_LIMIT     (0xFFFFFFFFFFUL)
-
-/* Allocate one page for the pdp and the second for the code */
-#define KEXEC_CONTROL_CODE_SIZE  (4096UL + 4096UL)
-
-/* The native architecture */
-#define KEXEC_ARCH KEXEC_ARCH_X86_64
-
-/*
- * Saving the registers of the cpu on which panic occured in
- * crash_kexec to save a valid sp. The registers of other cpus
- * will be saved in machine_crash_shutdown while shooting down them.
- */
-
-static inline void crash_setup_regs(struct pt_regs *newregs,
-                                               struct pt_regs *oldregs)
-{
-       if (oldregs)
-               memcpy(newregs, oldregs, sizeof(*newregs));
-       else {
-               __asm__ __volatile__("movq %%rbx,%0" : "=m"(newregs->bx));
-               __asm__ __volatile__("movq %%rcx,%0" : "=m"(newregs->cx));
-               __asm__ __volatile__("movq %%rdx,%0" : "=m"(newregs->dx));
-               __asm__ __volatile__("movq %%rsi,%0" : "=m"(newregs->si));
-               __asm__ __volatile__("movq %%rdi,%0" : "=m"(newregs->di));
-               __asm__ __volatile__("movq %%rbp,%0" : "=m"(newregs->bp));
-               __asm__ __volatile__("movq %%rax,%0" : "=m"(newregs->ax));
-               __asm__ __volatile__("movq %%rsp,%0" : "=m"(newregs->sp));
-               __asm__ __volatile__("movq %%r8,%0" : "=m"(newregs->r8));
-               __asm__ __volatile__("movq %%r9,%0" : "=m"(newregs->r9));
-               __asm__ __volatile__("movq %%r10,%0" : "=m"(newregs->r10));
-               __asm__ __volatile__("movq %%r11,%0" : "=m"(newregs->r11));
-               __asm__ __volatile__("movq %%r12,%0" : "=m"(newregs->r12));
-               __asm__ __volatile__("movq %%r13,%0" : "=m"(newregs->r13));
-               __asm__ __volatile__("movq %%r14,%0" : "=m"(newregs->r14));
-               __asm__ __volatile__("movq %%r15,%0" : "=m"(newregs->r15));
-               __asm__ __volatile__("movl %%ss, %%eax;" :"=a"(newregs->ss));
-               __asm__ __volatile__("movl %%cs, %%eax;" :"=a"(newregs->cs));
-               __asm__ __volatile__("pushfq; popq %0" :"=m"(newregs->flags));
-
-               newregs->ip = (unsigned long)current_text_addr();
-       }
-}
-
-NORET_TYPE void
-relocate_kernel(unsigned long indirection_page,
-               unsigned long page_list,
-               unsigned long start_address) ATTRIB_NORET;
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* _X86_64_KEXEC_H */
-
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