[OE-core] [PATCH 1/1] grub-efi-native: fix build failure on 32bit host

Saul Wold sgw at linux.intel.com
Fri Nov 8 00:42:27 UTC 2013


On 11/07/2013 03:30 AM, jackie.huang at windriver.com wrote:
> From: Jackie Huang <jackie.huang at windriver.com>
>
> grub-efi-native builds grub with efi platform, then run
> "grub-mkimage" command with built in cfg and modules to
> generate an EFI binary for the target, and deploys it.
>
> It works fine when build on 64bit host, but when we build
> x86-64 target on 32bit host, it fails to build 64bit grub,
> even if it builds, the 64bit binary "grub-mkimage" would
> fail to run to generate EFI.
>
> So the solution is:
> Add a target package grub-efi and grub-efi-native depends
> on it, grub-efi-native will be back to real native, then
> run "grub-mkimage" command with modules in sysroot populated
> by grub-efi to generate the EFI binary for target.
>
And why split it into 3 files?  Could you not just have a 
DEPENDS_class-native = "grub-efi" line?

> Another problem is -mcmodel=large is not supported by gcc
> with version lower than 4.4, but we don't need to use
> memory over 4GiB, so add a patch to allow compilation
> without large model support.
>
This should really be a standalone patch.

Sau!

> Signed-off-by: Jackie Huang <jackie.huang at windriver.com>
> ---
>   ...allow-a-compilation-without-mcmodel-large.patch |   69 ++++++++++++++++++++
>   meta/recipes-bsp/grub/grub-efi-native_2.00.bb      |   52 ++-------------
>   meta/recipes-bsp/grub/grub-efi.inc                 |   44 +++++++++++++
>   meta/recipes-bsp/grub/grub-efi_2.00.bb             |    9 +++
>   4 files changed, 130 insertions(+), 44 deletions(-)
>   create mode 100644 meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch
>   create mode 100644 meta/recipes-bsp/grub/grub-efi.inc
>   create mode 100644 meta/recipes-bsp/grub/grub-efi_2.00.bb
>
> diff --git a/meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch b/meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch
> new file mode 100644
> index 0000000..b2be74a
> --- /dev/null
> +++ b/meta/recipes-bsp/grub/files/grub-efi-allow-a-compilation-without-mcmodel-large.patch
> @@ -0,0 +1,69 @@
> +From 0cea0e4266214da1f11e812834f5d5c47a6e04e6 Mon Sep 17 00:00:00 2001
> +From: Jackie Huang <jackie.huang at windriver.com>
> +Date: Tue, 5 Nov 2013 07:23:32 -0500
> +Subject: [PATCH] Allow a compilation without -mcmodel=large
> +
> +* kern/efi/mm.c (grub_efi_allocate_pages): don't allocate >4GiB
> +  when compiled without -mcmodel=large
> +  (filter_memory_map): remove memory post 4 GiB when compiled
> +  without -mcmodel=large
> +* configure.ac: add -DMCMODEL_SMALL=1 to TARGET_CFLAGS when
> +  -mcmodel=large isn't supported
> +
> +Upstream-Status: Inappropriate [configuration]
> +
> +Signed-off-by: Jackie Huang <jackie.huang at windriver.com>
> +---
> + configure.ac            |    4 +++-
> + grub-core/kern/efi/mm.c |    6 +++---
> + 2 files changed, 6 insertions(+), 4 deletions(-)
> +
> +diff --git a/configure.ac b/configure.ac
> +index 319d063..ee72fee 100644
> +--- a/configure.ac
> ++++ b/configure.ac
> +@@ -567,7 +567,9 @@ if test "$target_cpu"-"$platform" = x86_64-efi; then
> + 		      [grub_cv_cc_mcmodel=no])
> +   ])
> +   if test "x$grub_cv_cc_mcmodel" = xno; then
> +-    AC_MSG_ERROR([-mcmodel=large not supported. Upgrade your gcc.])
> ++    CFLAGS="$SAVED_CFLAGS -m64 -DMCMODEL_SMALL=1"
> ++    TARGET_CFLAGS="$TARGET_CFLAGS -DMCMODEL_SMALL=1"
> ++    AC_MSG_WARN([-mcmodel=large not supported. You won't be able to use the memory over 4GiB. Upgrade your gcc.])
> +   else
> +     TARGET_CFLAGS="$TARGET_CFLAGS -mcmodel=large"
> +   fi
> +diff --git a/grub-core/kern/efi/mm.c b/grub-core/kern/efi/mm.c
> +index a2edc84..c67dd13 100644
> +--- a/grub-core/kern/efi/mm.c
> ++++ b/grub-core/kern/efi/mm.c
> +@@ -62,7 +62,7 @@ grub_efi_allocate_pages (grub_efi_physical_address_t address,
> +     return 0;
> + #endif
> +
> +-#if 1
> ++#if defined (MCMODEL_SMALL)
> +   if (address == 0)
> +     {
> +       type = GRUB_EFI_ALLOCATE_MAX_ADDRESS;
> +@@ -305,7 +305,7 @@ filter_memory_map (grub_efi_memory_descriptor_t *memory_map,
> +        desc = NEXT_MEMORY_DESCRIPTOR (desc, desc_size))
> +     {
> +       if (desc->type == GRUB_EFI_CONVENTIONAL_MEMORY
> +-#if 1
> ++#if defined (MCMODEL_SMALL)
> + 	  && desc->physical_start <= 0xffffffff
> + #endif
> + 	  && desc->physical_start + PAGES_TO_BYTES (desc->num_pages) > 0x100000
> +@@ -321,7 +321,7 @@ filter_memory_map (grub_efi_memory_descriptor_t *memory_map,
> + 	      desc->physical_start = 0x100000;
> + 	    }
> +
> +-#if 1
> ++#if defined (MCMODEL_SMALL)
> + 	  if (BYTES_TO_PAGES (filtered_desc->physical_start)
> + 	      + filtered_desc->num_pages
> + 	      > BYTES_TO_PAGES (0x100000000LL))
> +--
> +1.7.1
> +
> diff --git a/meta/recipes-bsp/grub/grub-efi-native_2.00.bb b/meta/recipes-bsp/grub/grub-efi-native_2.00.bb
> index 04973b5..5ad194d 100644
> --- a/meta/recipes-bsp/grub/grub-efi-native_2.00.bb
> +++ b/meta/recipes-bsp/grub/grub-efi-native_2.00.bb
> @@ -1,47 +1,16 @@
> -SUMMARY = "GRUB2 is the next-generation GRand Unified Bootloader"
> +require grub-efi.inc
>
> -DESCRIPTION = "GRUB2 is the next generaion of a GPLed bootloader \
> -intended to unify bootloading across x86 operating systems. In \
> -addition to loading the Linux kernel, it implements the Multiboot \
> -standard, which allows for flexible loading of multiple boot images. \
> -This recipe builds an EFI binary for the target. It does not install \
> -or package anything, it only deploys a target-arch GRUB EFI image."
> -
> -HOMEPAGE = "http://www.gnu.org/software/grub/"
> -SECTION = "bootloaders"
> -
> -LICENSE = "GPLv3"
> -LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
> -
> -# FIXME: We should be able to optionally drop freetype as a dependency
> -DEPENDS = "autogen-native"
> -RDEPENDS_${PN} = "diffutils freetype"
> -PR = "r2"
> +DEPENDS += "grub-efi"
> +PR = "${INC_PR}.0"
>
>   # Native packages do not normally rebuild when the target changes.
>   # Ensure this is built once per HOST-TARGET pair.
>   PN := "grub-efi-${TRANSLATED_TARGET_ARCH}-native"
>
> -SRC_URI = "ftp://ftp.gnu.org/gnu/grub/grub-${PV}.tar.gz \
> -           file://cfg \
> -           file://grub-2.00-fpmath-sse-387-fix.patch \
> -           file://grub-2.00-fix-enable_execute_stack-check.patch \
> -           file://grub-2.00-disable-help2man.patch \
> -           file://check-if-liblzma-is-disabled.patch \
> -           file://grub-no-unused-result.patch \
> -           file://grub-2.00-ignore-gnulib-gets-stupidity.patch \
> -           file://fix-issue-with-flex-2.5.37.patch \
> -          "
> -SRC_URI[md5sum] = "e927540b6eda8b024fb0391eeaa4091c"
> -SRC_URI[sha256sum] = "65b39a0558f8c802209c574f4d02ca263a804e8a564bc6caf1cd0fd3b3cc11e3"
> -
> -COMPATIBLE_HOST = '(x86_64.*|i.86.*)-(linux|freebsd.*)'
> -
> -S = "${WORKDIR}/grub-${PV}"
> -
>   # Determine the target arch for the grub modules before the native class
> -# clobbers TARGET_ARCH.
> +# clobbers TARGET_ARCH and STAGING_LIBDIR.
>   ORIG_TARGET_ARCH := "${TARGET_ARCH}"
> +ORIG_STAGING_LIBDIR := "${STAGING_LIBDIR}"
>   python __anonymous () {
>       import re
>       target = d.getVar('ORIG_TARGET_ARCH', True)
> @@ -57,19 +26,14 @@ python __anonymous () {
>       d.setVar("GRUB_IMAGE", grubimage)
>   }
>
> -inherit autotools
> -inherit gettext
>   inherit native
>   inherit deploy
>
> -EXTRA_OECONF = "--with-platform=efi --disable-grub-mkfont \
> -                --target=${GRUB_TARGET} --enable-efiemu=no --program-prefix='' \
> -                --enable-liblzma=no --enable-device-mapper=no --enable-libzfs=no"
> -
>   do_mkimage() {
>   	# Search for the grub.cfg on the local boot media by using the
> -	# built in cfg file provided via this recipe
> -	./grub-mkimage -c ../cfg -p /EFI/BOOT -d ./grub-core/ \
> +	# built in cfg file provided via this recipe and modules dir
> +	# populated by grub-efi
> +	./grub-mkimage -c ../cfg -p /EFI/BOOT -d ${ORIG_STAGING_LIBDIR}/grub-efi/${GRUB_TARGET}-efi \
>   	               -O ${GRUB_TARGET}-efi -o ./${GRUB_IMAGE} \
>   	               boot linux ext2 fat serial part_msdos part_gpt normal efi_gop iso9660 search
>   }
> diff --git a/meta/recipes-bsp/grub/grub-efi.inc b/meta/recipes-bsp/grub/grub-efi.inc
> new file mode 100644
> index 0000000..fd93fe8
> --- /dev/null
> +++ b/meta/recipes-bsp/grub/grub-efi.inc
> @@ -0,0 +1,44 @@
> +SUMMARY = "GRUB2 is the next-generation GRand Unified Bootloader"
> +
> +DESCRIPTION = "GRUB2 is the next generaion of a GPLed bootloader \
> +intended to unify bootloading across x86 operating systems. In \
> +addition to loading the Linux kernel, it implements the Multiboot \
> +standard, which allows for flexible loading of multiple boot images. \
> +This recipe builds an EFI binary for the target. It does not install \
> +or package anything, it only deploys a target-arch GRUB EFI image."
> +
> +HOMEPAGE = "http://www.gnu.org/software/grub/"
> +SECTION = "bootloaders"
> +
> +LICENSE = "GPLv3"
> +LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
> +
> +# FIXME: We should be able to optionally drop freetype as a dependency
> +DEPENDS = "autogen-native flex-native"
> +RDEPENDS_${PN} = "diffutils freetype"
> +INC_PR = "r2"
> +
> +SRC_URI = "ftp://ftp.gnu.org/gnu/grub/grub-${PV}.tar.gz \
> +           file://cfg \
> +           file://grub-2.00-fpmath-sse-387-fix.patch \
> +           file://grub-2.00-fix-enable_execute_stack-check.patch \
> +           file://grub-2.00-disable-help2man.patch \
> +           file://check-if-liblzma-is-disabled.patch \
> +           file://grub-no-unused-result.patch \
> +           file://grub-2.00-ignore-gnulib-gets-stupidity.patch \
> +           file://fix-issue-with-flex-2.5.37.patch \
> +           file://grub-efi-allow-a-compilation-without-mcmodel-large.patch \
> +          "
> +SRC_URI[md5sum] = "e927540b6eda8b024fb0391eeaa4091c"
> +SRC_URI[sha256sum] = "65b39a0558f8c802209c574f4d02ca263a804e8a564bc6caf1cd0fd3b3cc11e3"
> +
> +COMPATIBLE_HOST = '(x86_64.*|i.86.*)-(linux|freebsd.*)'
> +
> +S = "${WORKDIR}/grub-${PV}"
> +
> +inherit autotools
> +inherit gettext
> +
> +EXTRA_OECONF = "--with-platform=efi --disable-grub-mkfont \
> +                --enable-efiemu=no --program-prefix='' \
> +                --enable-liblzma=no --enable-device-mapper=no --enable-libzfs=no"
> diff --git a/meta/recipes-bsp/grub/grub-efi_2.00.bb b/meta/recipes-bsp/grub/grub-efi_2.00.bb
> new file mode 100644
> index 0000000..35277d7
> --- /dev/null
> +++ b/meta/recipes-bsp/grub/grub-efi_2.00.bb
> @@ -0,0 +1,9 @@
> +require grub-efi.inc
> +
> +PR = "${INC_PR}.0"
> +FILES_${PN}-dbg += "${libdir}/${BPN}/${TARGET_ARCH}-efi/.debug"
> +
> +do_install_append () {
> +	mv ${D}${libdir}/grub ${D}${libdir}/${BPN}
> +	mv ${D}${datadir}/grub ${D}${datadir}/${BPN}
> +}
>



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