linux: Ensure we have buildable kernel recipes for each machine
Fix various kernels to build with our toolchain, this includes well known fixes
for:
* sumversion.c: compilation failing with a 'PATH_MAX' undeclared (fixed by
adding limits.h to sumversions includes
* a patch taken from oe.dev to stop GCC >= 4.3 from optimizing a loop which
causes compilation to fail
* Fixing the KERNEL_OUTPUT for mx31 and nokia800 kernel recipes
Signed-off-by: Joshua Lock <josh@linux.intel.com>
This commit is contained in:
Joshua Lock
parent
ad136ddeef
commit
505c26951b
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@ -0,0 +1,48 @@
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From f5b973489beb1a1239dfad53e3ad6e36ff7ee958 Mon Sep 17 00:00:00 2001
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From: Segher Boessenkool <segher@kernel.crashing.org>
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Date: Thu, 9 Oct 2008 21:18:27 +0100
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Subject: [PATCH] fix-gcc-4.3-false-modulo-optimization.patch
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I tried to compile the current stable kernel
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(a2ef813d2f439a3e9f377d33a2e5baad098afb7e)
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and get the following errors:
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kernel/built-in.o: In function `timespec_add_ns':
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/mnt/data/Freerunner/Gentoo/rootinstall/usr/src/linux/include/linux/time.h:174:
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undefined reference to `__aeabi_uldivmod'
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/mnt/data/Freerunner/Gentoo/rootinstall/usr/src/linux/include/linux/time.h:179:
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undefined reference to `__aeabi_uldivmod'
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/mnt/data/Freerunner/Gentoo/rootinstall/usr/src/linux/include/linux/time.h:174:
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undefined reference to `__aeabi_uldivmod'
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/mnt/data/Freerunner/Gentoo/rootinstall/usr/src/linux/include/linux/time.h:179:
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undefined reference to `__aeabi_uldivmod'
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applying the following patch solved the problem:
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--------
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Prevent gcc-4.3 form "optimizing" the while loop into a costly modulo operation.
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Patch found at http://lkml.org/lkml/2008/2/22/464.
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Reported-by: Sven Rebhan <odinshorse@googlemail.com>
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Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org>
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---
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include/linux/time.h | 4 ++++
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1 files changed, 4 insertions(+), 0 deletions(-)
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diff --git a/include/linux/time.h b/include/linux/time.h
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index b04136d..3e8fd9e 100644
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--- a/include/linux/time.h
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+++ b/include/linux/time.h
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@@ -173,6 +173,10 @@ static inline void timespec_add_ns(struct timespec *a, u64 ns)
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{
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ns += a->tv_nsec;
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while(unlikely(ns >= NSEC_PER_SEC)) {
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+ /* The following asm() prevents the compiler from
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+ * optimising this loop into a modulo operation. */
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+ asm("" : "+r"(ns));
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+
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ns -= NSEC_PER_SEC;
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a->tv_sec++;
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}
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--
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1.5.6.5
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@ -0,0 +1,16 @@
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Fix compilation of the sumversion "script"
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http://bugs.gentoo.org/show_bug.cgi?format=multiple&id=226169
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Index: linux-2.6.21/scripts/mod/sumversion.c
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===================================================================
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--- linux-2.6.21.orig/scripts/mod/sumversion.c 2007-04-26 04:08:32.000000000 +0100
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+++ linux-2.6.21/scripts/mod/sumversion.c 2010-05-13 14:41:31.777882280 +0100
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@@ -7,6 +7,7 @@
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#include <ctype.h>
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#include <errno.h>
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#include <string.h>
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+#include <limits.h>
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#include "modpost.h"
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/*
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@ -2,7 +2,7 @@ SECTION = "kernel"
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DESCRIPTION = "Linux kernel for imx31 devices"
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LICENSE = "GPL"
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KERNEL_OUTPUT = "arch/${ARCH}/boot/compressed/${KERNEL_IMAGETYPE}"
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KERNEL_OUTPUT = "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}"
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inherit kernel
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@ -1,10 +1,11 @@
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require linux-mx31.inc
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PR = "r7"
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PR = "r8"
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FILESDIR = "${WORKDIR}"
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SRC_URI = "${KERNELORG_MIRROR}/pub/linux/kernel/v2.6/linux-2.6.19.2.tar.bz2 \
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file://sumversion-fix.patch;patch=1 \
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file://defconfig-mx31litekit \
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file://defconfig-mx31ads \
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file://defconfig-mx31phy \
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@ -1,10 +1,11 @@
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require linux-mx31.inc
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PR = "r4"
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PR = "r5"
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FILESDIR = "${WORKDIR}"
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SRC_URI = " \
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${KERNELORG_MIRROR}/pub/linux/kernel/v2.6/linux-2.6.22.6.tar.bz2 \
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file://1300-fix-gcc-4.3-false-modulo-optimization.patch.patch;patch=1 \
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file://defconfig-mx31ads \
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file://defconfig-mx31phy \
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"
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@ -2,7 +2,7 @@ SECTION = "kernel"
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DESCRIPTION = "Linux kernel for Nokia 770/800"
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LICENSE = "GPL"
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KERNEL_OUTPUT = "arch/${ARCH}/boot/compressed/${KERNEL_IMAGETYPE}"
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KERNEL_OUTPUT = "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}"
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KERNEL_CCSUFFIX = "-3.4.4+csl-arm-2005q3-2"
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inherit kernel
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@ -1,6 +1,6 @@
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require linux-nokia800.inc
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PR = "r6"
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PR = "r7"
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SRC_URI = "http://repository.maemo.org/pool/maemo3.1/free/source/kernel-source-rx-34_2.6.18.orig.tar.gz \
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http://repository.maemo.org/pool/maemo3.1/free/source/kernel-source-rx-34_2.6.18-osso40.diff.gz;patch=1 \
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${RPSRC}/lzo_kernel-r0.patch;patch=1 \
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@ -9,7 +9,8 @@ SRC_URI = "http://repository.maemo.org/pool/maemo3.1/free/source/kernel-source-r
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${RPSRC}/lzo_jffs2_lzomode-r0.patch;patch=1 \
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${RPSRC}/lzo_jffs2_sysfs-r0.patch;patch=1 \
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file://fix_oprofile.patch;patch=1 \
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file://defconfig"
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file://sumversion-fix.patch;patch=1 \
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file://defconfig"
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SRC_URI_append_nokia770 = " file://nokia770_nand_fix.patch;patch=1"
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@ -1,13 +1,14 @@
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require linux-nokia800.inc
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PR = "r4"
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PR = "r5"
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DEFAULT_PREFERENCE_nokia770 = "-1"
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SRC_URI = "${KERNELORG_MIRROR}/pub/linux/kernel/v2.6/linux-2.6.21.tar.bz2 \
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http://repository.maemo.org/pool/os2008/free/source/k/kernel-source-rx-34/kernel-source-rx-34_2.6.21.0-osso71.diff.gz;patch=1 \
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http://repository.maemo.org/pool/os2008/free/source/k/kernel-source-rx-34/kernel-source-rx-34_2.6.21.0-osso71.diff.gz;patch=1 \
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http://www.rpsys.net/openzaurus/patches/archive/input_power-r7.patch;patch=1 \
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file://suspend-button.patch;patch=1 \
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file://defconfig"
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file://suspend-button.patch;patch=1 \
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file://sumversion-fix.patch;patch=1 \
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file://defconfig"
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S = "${WORKDIR}/linux-2.6.21"
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@ -1,6 +1,6 @@
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require linux-rp.inc
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PR = "r35"
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PR = "r36"
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# Handy URLs
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# git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git;protocol=git;tag=ef7d1b244fa6c94fb76d5f787b8629df64ea4046
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@ -60,6 +60,7 @@ SRC_URI = "${KERNELORG_MIRROR}/pub/linux/kernel/v2.6/linux-2.6.23.tar.bz2 \
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file://htcuni.patch;patch=1 \
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file://binutils-buildid-arm.patch;patch=1 \
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file://versatile-armv6.patch;patch=1 \
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file://1300-fix-gcc-4.3-false-modulo-optimization.patch.patch;patch=1 \
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file://defconfig-c7x0 \
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file://defconfig-hx2000 \
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file://defconfig-collie \
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@ -7,10 +7,11 @@ DEFAULT_PREFERENCE_em-x270 = "1"
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DEFAULT_PREFERENCE_mpc8313e-rdb = "1"
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DEFAULT_PREFERENCE_mpc8323e-rdb = "1"
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PR = "r6"
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PR = "r7"
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SRC_URI = "${KERNELORG_MIRROR}/pub/linux/kernel/v2.6/linux-2.6.23.tar.bz2 \
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file://binutils-buildid-arm.patch;patch=1 \
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file://binutils-buildid-arm.patch;patch=1 \
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file://1300-fix-gcc-4.3-false-modulo-optimization.patch.patch;patch=1 \
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file://defconfig \
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"
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