Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e0a84f689b4373cbaa6d3a5bc5c52a613005fed1
Commit:     e0a84f689b4373cbaa6d3a5bc5c52a613005fed1
Parent:     977d5654cb630d6845b84a984fb5698e839f20f2
Author:     Thomas Gleixner <[EMAIL PROTECTED]>
AuthorDate: Thu Oct 11 11:15:19 2007 +0200
Committer:  Thomas Gleixner <[EMAIL PROTECTED]>
CommitDate: Thu Oct 11 11:15:19 2007 +0200

    x86_64: prepare shared kernel/verify_cpu.S
    
    Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
    Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
---
 arch/x86_64/boot/compressed/head.S |    2 +-
 arch/x86_64/kernel/acpi/wakeup.S   |    2 +-
 arch/x86_64/kernel/trampoline_64.S |    2 +-
 arch/x86_64/kernel/verify_cpu.S    |  105 ------------------------------------
 arch/x86_64/kernel/verify_cpu_64.S |  105 ++++++++++++++++++++++++++++++++++++
 5 files changed, 108 insertions(+), 108 deletions(-)

diff --git a/arch/x86_64/boot/compressed/head.S 
b/arch/x86_64/boot/compressed/head.S
index 9fd8030..4946764 100644
--- a/arch/x86_64/boot/compressed/head.S
+++ b/arch/x86_64/boot/compressed/head.S
@@ -174,7 +174,7 @@ no_longmode:
        hlt
        jmp     1b
 
-#include "../../kernel/verify_cpu.S"
+#include "../../kernel/verify_cpu_64.S"
 
        /* Be careful here startup_64 needs to be at a predictable
         * address so I can export it in an ELF header.  Bootloaders
diff --git a/arch/x86_64/kernel/acpi/wakeup.S b/arch/x86_64/kernel/acpi/wakeup.S
index a06f2bc..8b4357e 100644
--- a/arch/x86_64/kernel/acpi/wakeup.S
+++ b/arch/x86_64/kernel/acpi/wakeup.S
@@ -269,7 +269,7 @@ no_longmode:
        movb    $0xbc,%al       ;  outb %al,$0x80
        jmp no_longmode
 
-#include "../verify_cpu.S"
+#include "../verify_cpu_64.S"
        
 /* This code uses an extended set of video mode numbers. These include:
  * Aliases for standard modes
diff --git a/arch/x86_64/kernel/trampoline_64.S 
b/arch/x86_64/kernel/trampoline_64.S
index e7e2764..607983b 100644
--- a/arch/x86_64/kernel/trampoline_64.S
+++ b/arch/x86_64/kernel/trampoline_64.S
@@ -126,7 +126,7 @@ startup_64:
 no_longmode:
        hlt
        jmp no_longmode
-#include "verify_cpu.S"
+#include "verify_cpu_64.S"
 
        # Careful these need to be in the same 64K segment as the above;
 tidt:
diff --git a/arch/x86_64/kernel/verify_cpu.S b/arch/x86_64/kernel/verify_cpu.S
deleted file mode 100644
index 45b6f8a..0000000
--- a/arch/x86_64/kernel/verify_cpu.S
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- *
- *     verify_cpu.S - Code for cpu long mode and SSE verification. This
- *     code has been borrowed from boot/setup.S and was introduced by
- *     Andi Kleen.
- *
- *     Copyright (c) 2007  Andi Kleen ([EMAIL PROTECTED])
- *     Copyright (c) 2007  Eric Biederman ([EMAIL PROTECTED])
- *     Copyright (c) 2007  Vivek Goyal ([EMAIL PROTECTED])
- *
- *     This source code is licensed under the GNU General Public License,
- *     Version 2.  See the file COPYING for more details.
- *
- *     This is a common code for verification whether CPU supports
- *     long mode and SSE or not. It is not called directly instead this
- *     file is included at various places and compiled in that context.
- *     Following are the current usage.
- *
- *     This file is included by both 16bit and 32bit code.
- *
- *     arch/x86_64/boot/setup.S : Boot cpu verification (16bit)
- *     arch/x86_64/boot/compressed/head.S: Boot cpu verification (32bit)
- *     arch/x86_64/kernel/trampoline.S: secondary processor verfication (16bit)
- *     arch/x86_64/kernel/acpi/wakeup.S:Verfication at resume (16bit)
- *
- *     verify_cpu, returns the status of cpu check in register %eax.
- *             0: Success    1: Failure
- *
- *     The caller needs to check for the error code and take the action
- *     appropriately. Either display a message or halt.
- */
-
-#include <asm/cpufeature.h>
-
-verify_cpu:
-       pushfl                          # Save caller passed flags
-       pushl   $0                      # Kill any dangerous flags
-       popfl
-
-       pushfl                          # standard way to check for cpuid
-       popl    %eax
-       movl    %eax,%ebx
-       xorl    $0x200000,%eax
-       pushl   %eax
-       popfl
-       pushfl
-       popl    %eax
-       cmpl    %eax,%ebx
-       jz      verify_cpu_no_longmode  # cpu has no cpuid
-
-       movl    $0x0,%eax               # See if cpuid 1 is implemented
-       cpuid
-       cmpl    $0x1,%eax
-       jb      verify_cpu_no_longmode  # no cpuid 1
-
-       xor     %di,%di
-       cmpl    $0x68747541,%ebx        # AuthenticAMD
-       jnz     verify_cpu_noamd
-       cmpl    $0x69746e65,%edx
-       jnz     verify_cpu_noamd
-       cmpl    $0x444d4163,%ecx
-       jnz     verify_cpu_noamd
-       mov     $1,%di                  # cpu is from AMD
-
-verify_cpu_noamd:
-       movl    $0x1,%eax               # Does the cpu have what it takes
-       cpuid
-       andl    $REQUIRED_MASK0,%edx
-       xorl    $REQUIRED_MASK0,%edx
-       jnz     verify_cpu_no_longmode
-
-       movl    $0x80000000,%eax        # See if extended cpuid is implemented
-       cpuid
-       cmpl    $0x80000001,%eax
-       jb      verify_cpu_no_longmode  # no extended cpuid
-
-       movl    $0x80000001,%eax        # Does the cpu have what it takes
-       cpuid
-       andl    $REQUIRED_MASK1,%edx
-       xorl    $REQUIRED_MASK1,%edx
-       jnz     verify_cpu_no_longmode
-
-verify_cpu_sse_test:
-       movl    $1,%eax
-       cpuid
-       andl    $SSE_MASK,%edx
-       cmpl    $SSE_MASK,%edx
-       je      verify_cpu_sse_ok
-       test    %di,%di
-       jz      verify_cpu_no_longmode  # only try to force SSE on AMD
-       movl    $0xc0010015,%ecx        # HWCR
-       rdmsr
-       btr     $15,%eax                # enable SSE
-       wrmsr
-       xor     %di,%di                 # don't loop
-       jmp     verify_cpu_sse_test     # try again
-
-verify_cpu_no_longmode:
-       popfl                           # Restore caller passed flags
-       movl $1,%eax
-       ret
-verify_cpu_sse_ok:
-       popfl                           # Restore caller passed flags
-       xorl %eax, %eax
-       ret
diff --git a/arch/x86_64/kernel/verify_cpu_64.S 
b/arch/x86_64/kernel/verify_cpu_64.S
new file mode 100644
index 0000000..45b6f8a
--- /dev/null
+++ b/arch/x86_64/kernel/verify_cpu_64.S
@@ -0,0 +1,105 @@
+/*
+ *
+ *     verify_cpu.S - Code for cpu long mode and SSE verification. This
+ *     code has been borrowed from boot/setup.S and was introduced by
+ *     Andi Kleen.
+ *
+ *     Copyright (c) 2007  Andi Kleen ([EMAIL PROTECTED])
+ *     Copyright (c) 2007  Eric Biederman ([EMAIL PROTECTED])
+ *     Copyright (c) 2007  Vivek Goyal ([EMAIL PROTECTED])
+ *
+ *     This source code is licensed under the GNU General Public License,
+ *     Version 2.  See the file COPYING for more details.
+ *
+ *     This is a common code for verification whether CPU supports
+ *     long mode and SSE or not. It is not called directly instead this
+ *     file is included at various places and compiled in that context.
+ *     Following are the current usage.
+ *
+ *     This file is included by both 16bit and 32bit code.
+ *
+ *     arch/x86_64/boot/setup.S : Boot cpu verification (16bit)
+ *     arch/x86_64/boot/compressed/head.S: Boot cpu verification (32bit)
+ *     arch/x86_64/kernel/trampoline.S: secondary processor verfication (16bit)
+ *     arch/x86_64/kernel/acpi/wakeup.S:Verfication at resume (16bit)
+ *
+ *     verify_cpu, returns the status of cpu check in register %eax.
+ *             0: Success    1: Failure
+ *
+ *     The caller needs to check for the error code and take the action
+ *     appropriately. Either display a message or halt.
+ */
+
+#include <asm/cpufeature.h>
+
+verify_cpu:
+       pushfl                          # Save caller passed flags
+       pushl   $0                      # Kill any dangerous flags
+       popfl
+
+       pushfl                          # standard way to check for cpuid
+       popl    %eax
+       movl    %eax,%ebx
+       xorl    $0x200000,%eax
+       pushl   %eax
+       popfl
+       pushfl
+       popl    %eax
+       cmpl    %eax,%ebx
+       jz      verify_cpu_no_longmode  # cpu has no cpuid
+
+       movl    $0x0,%eax               # See if cpuid 1 is implemented
+       cpuid
+       cmpl    $0x1,%eax
+       jb      verify_cpu_no_longmode  # no cpuid 1
+
+       xor     %di,%di
+       cmpl    $0x68747541,%ebx        # AuthenticAMD
+       jnz     verify_cpu_noamd
+       cmpl    $0x69746e65,%edx
+       jnz     verify_cpu_noamd
+       cmpl    $0x444d4163,%ecx
+       jnz     verify_cpu_noamd
+       mov     $1,%di                  # cpu is from AMD
+
+verify_cpu_noamd:
+       movl    $0x1,%eax               # Does the cpu have what it takes
+       cpuid
+       andl    $REQUIRED_MASK0,%edx
+       xorl    $REQUIRED_MASK0,%edx
+       jnz     verify_cpu_no_longmode
+
+       movl    $0x80000000,%eax        # See if extended cpuid is implemented
+       cpuid
+       cmpl    $0x80000001,%eax
+       jb      verify_cpu_no_longmode  # no extended cpuid
+
+       movl    $0x80000001,%eax        # Does the cpu have what it takes
+       cpuid
+       andl    $REQUIRED_MASK1,%edx
+       xorl    $REQUIRED_MASK1,%edx
+       jnz     verify_cpu_no_longmode
+
+verify_cpu_sse_test:
+       movl    $1,%eax
+       cpuid
+       andl    $SSE_MASK,%edx
+       cmpl    $SSE_MASK,%edx
+       je      verify_cpu_sse_ok
+       test    %di,%di
+       jz      verify_cpu_no_longmode  # only try to force SSE on AMD
+       movl    $0xc0010015,%ecx        # HWCR
+       rdmsr
+       btr     $15,%eax                # enable SSE
+       wrmsr
+       xor     %di,%di                 # don't loop
+       jmp     verify_cpu_sse_test     # try again
+
+verify_cpu_no_longmode:
+       popfl                           # Restore caller passed flags
+       movl $1,%eax
+       ret
+verify_cpu_sse_ok:
+       popfl                           # Restore caller passed flags
+       xorl %eax, %eax
+       ret
-
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