[LinuxBIOS] [PATCH] Buildrom remove lgdt patch

[Myles Watson]

This patch removes the option from buildrom to use the lgdt patch for
LinuxBIOSv3.

On a compiler that doesn't need the patch, this patch makes the image
unbootable.

Signed-off-by: Myles Watson

[LinuxBIOS] Buildrom remove lgdt patch

[Jordan Crouse]

On 13/12/07 08:00 -0700, Myles Watson wrote:
> This patch removes the option from buildrom to use the lgdt patch for
> LinuxBIOSv3.
>
> On a compiler that doesn't need the patch, this patch makes the image
> unbootable.
>
> Signed-off-by: Myles Watson

Acked-by: Jordan Crouse
> Index: buildrom-devel/Config.in
>
> --- buildrom-devel/Config.in	(revision 83)
> +++ buildrom-devel/Config.in	(working copy)
> @@ -54,16 +54,6 @@
>    help
>      Use the v3 tree.  LinuxBIOSv3 doesn't support all platforms yet.
>
> -config LINUXBIOS_V3_LGDT_PATCH
> bool "Avoid an error in stage0_i586 with some compilers"
> depends LINUXBIOS_V3
> default n
> help
>  Say 'y' here to use the patch from the mailing list to replace 
>  "data32  lgdt %cs:gdtptr" with 
>  "movl $gdtptr"
>      "%ebx lgdt %cs:(%bx)"
>
> config USE_LZMA
>    bool "Enable LZMA compression"
>    depends !PAYLOAD_OFW
> Index: buildrom-devel/packages/linuxbios/patches/lgdt.patch
> ===================================================================
> --- buildrom-devel/packages/linuxbios/patches/lgdt.patch	(revision 83)
> +++ buildrom-devel/packages/linuxbios/patches/lgdt.patch	(working copy)
> @@ -1,14 +0,0 @@
> -Index: svn/arch/x86/stage0_i586.S
>
> ---- svn/arch/x86/stage0_i586.S	(revision 539)
> -+++ svn/arch/x86/stage0_i586.S	(working copy)
> -@@ -56,7 +56,8 @@
> * the ld hackery and other things. So leave it as is with this comment. 
> */
>
> --	data32	lgdt %cs:gdtptr
> -+	movl	$gdtptr, %ebx
> -+	lgdt	%cs:(%bx)
> movl	%cr0, %eax
> andl	$0x7FFAFFD1, %eax /* PG,AM,WP,NE,TS,EM,MP = 0 */
> Index: buildrom-devel/packages/linuxbios/qemu.mk
>
> --- buildrom-devel/packages/linuxbios/qemu.mk	(revision 83)
> +++ buildrom-devel/packages/linuxbios/qemu.mk	(working copy)
> @@ -17,9 +17,6 @@
>  ifeq ($(CONFIG_LINUXBIOS_V3),y)
>    LINUXBIOS_URL=svn://linuxbios.org/repository/LinuxBIOSv3
>    LINUXBIOS_TARBALL=linuxbiosv3-svn-$(LINUXBIOS_TAG).tar.gz
> ifeq ($(CONFIG_LINUXBIOS_V3_LGDT_PATCH),y)
> LINUXBIOS_PATCHES += $(PACKAGE_DIR)/linuxbios/patches/lgdt.patch
> endif
> LINUXBIOS_SVN_DIR=$(SOURCE_DIR)/linuxbiosv3
>
> else
>    ifeq ($(CONFIG_PAYLOAD_LAB),y)

[LinuxBIOS] Buildrom remove lgdt patch

[Myles Watson]

On Dec 13, 2007 10:55 AM, Jordan Crouse  wrote:
> On 13/12/07 08:00 -0700, Myles Watson wrote:
> > This patch removes the option from buildrom to use the lgdt patch for
> > LinuxBIOSv3.
> >
> > On a compiler that doesn't need the patch, this patch makes the image
> > unbootable.
> >
> > Signed-off-by: Myles Watson
>
> Acked-by: Jordan Crouse

Thanks,
Rev 84

Myles