Adding Raspberry Pi kernel and headers

2024-11-28 22:57:37 +00:00 · 2011-11-14 21:20:29 +00:00 · 2011-11-14 21:20:29 +00:00 · 563cd42729
commit 563cd42729
parent df7d35df38
9 changed files with 494 additions and 0 deletions
--- a/core/kernel26-raspberrypi/PKGBUILD
+++ b/core/kernel26-raspberrypi/PKGBUILD
@ -0,0 +1,243 @@
+# Maintainer: Mike Staszel <mikestaszel@plugapps.com>
+
+# Rasberry Pi kernel and headers
+
+noautobuild=1
+plugrel=2
+#ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-2.6.35.7.tar.bz2
+pkgbase="kernel26-raspberrypi"
+pkgname=('kernel26-raspberrypi' 'kernel26-headers-raspberrypi')
+#_kernelname=${pkgname#kernel26}
+_kernelname=""
+_basekernel=2.6.35
+pkgver=${_basekernel}.7
+_pkgrel=1
+pkgrel=${_pkgrel}
+#pkgrel=${_pkgrel}.${plugrel}
+makedepends=('xmlto' 'docbook-xsl' 'make' 'python2')
+_patchname="patch-${pkgver}-${_pkgrel}-ARCH"
+arch=(arm)
+KARCH=arm
+LDFLAGS=""
+license=('GPL2')
+url="http://www.kernel.org"
+source=('armdma.patch'
+        'args-uncompressed.txt'
+        'boot-uncompressed.txt'
+        'imagetool-uncompressed.py'
+        'ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-2.6.35.7.tar.bz2'
+        'rp-patches.tar.gz'
+        'sys_accept4.patch')
+md5sums=('6e7667c6c6348bfeca22eaaa05462d62'
+         '9335d1263fd426215db69841a380ea26'
+         'a00e424e2fbb8c5a5f77ba2c4871bed4'
+         '2f82dbe5752af65ff409d737caf11954'
+         'f741879bcd3a5366a1bbe0ad5cdb7935'
+         '968a3a9468b90a8a50dae8cafb276760'
+         'fdbbc3c4f34d5959504f027bdc1e7a73')
+
+options=('!distcc' '!ccache')
+
+build() {
+  cd "${srcdir}/linux-${pkgver}"
+
+  # Copy in the ethernet firmware, needed for make!
+  cp ${srcdir}/args-uncompressed.txt arch/arm/boot/
+  cp ${srcdir}/boot-uncompressed.txt arch/arm/boot/
+  cp ${srcdir}/imagetool-uncompressed.py arch/arm/boot/
+
+  # Prepare sources
+  #make prepare
+  make clean # sometimes git isn't clean
+  make mrproper # same as above
+  # Configure the kernel. Replace the line below with one of your choice.
+  #make menuconfig # CLI menu for configuration
+  #make nconfig # new CLI menu for configuration
+  #make oldconfig # using old config from previous kernel version
+
+  # ALARM: add dma_coherent_write_sync calls to USB EHCI driver
+  patch -Np1 -i "${srcdir}/rp-patches/rpdh1.patch"
+  patch -Np1 -i "${srcdir}/rp-patches/smsc95xx.patch"
+  patch -Np1 -i "${srcdir}/armdma.patch"
+  patch -Np1 -i "${srcdir}/sys_accept4.patch"
+
+  # Make the config compatible with Arch Linux's naming scheme
+  #  sed 's|CONFIG_LOCALVERSION="-trimslice-1.02"|CONFIG_LOCALVERSION="-ARCH"|g' -i .config
+
+  # Copy back our configuration (use with new kernel version)
+  #cp ./.config ../${_basekernel}.config
+  
+  # Halt the build for configuration only
+  #return 1
+
+  # Build!
+  make -j2 #${MAKEFLAGS} 
+}
+
+package_kernel26-raspberrypi() {
+  pkgdesc="The Linux Kernel and modules"
+  groups=('base')
+  depends=('coreutils' 'module-init-tools>=3.12-2')
+  replaces=('kernel24' 'kernel24-scsi' 'kernel26-scsi'
+            'alsa-driver' 'ieee80211' 'hostap-driver26'
+            'pwc' 'nforce' 'squashfs' 'unionfs' 'ivtv'
+            'zd1211' 'kvm-modules' 'iwlwifi' 'rt2x00-cvs'
+            'gspcav1' 'atl2' 'wlan-ng26' 'rt2500' 'nouveau-drm')
+  provides=('kernel26=2.6.38')
+  conflicts=('kernel26' 'kernel26-tegra' 'kernel26-omap')
+  install=kernel26.install
+  optdepends=('crda: to set the correct wireless channels of your country')
+  
+  KARCH=arm
+  cd "${srcdir}/linux-${pkgver}"
+  # get kernel version
+  _kernver="$(make kernelrelease)"
+  mkdir -p ${pkgdir}/{lib/modules,lib/firmware,boot}
+  make INSTALL_MOD_PATH=${pkgdir} modules_install
+#  cp System.map ${pkgdir}/boot/System.map26${_kernelname}
+  cd arch/$KARCH/boot/
+  /usr/bin/python2 imagetool-uncompressed.py
+  cd "${srcdir}/linux-${pkgver}"
+  cp arch/$KARCH/boot/kernel.img ${pkgdir}/boot/kernel.img
+  
+  # set correct depmod command for install
+  sed \
+    -e  "s/KERNEL_NAME=.*/KERNEL_NAME=${_kernelname}/g" \
+    -e  "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/g" \
+    -i $startdir/kernel26.install
+
+  # remove build and source links
+  rm -f ${pkgdir}/lib/modules/${_kernver}/{source,build}
+  # remove the firmware
+  rm -rf ${pkgdir}/lib/firmware
+  # gzip -9 all modules to save 100MB of space
+  find "$pkgdir" -name '*.ko' -exec gzip -9 {} \;
+}
+
+package_kernel26-headers-raspberrypi() {
+  pkgdesc="Header files and scripts for building modules for kernel26"
+  provides=('kernel26-headers=2.35.7')
+  conflicts=('kernel26-headers' 'kernel26-headers-tegra' 'kernel26-headers-omap')
+  KARCH=arm
+  
+  mkdir -p ${pkgdir}/lib/modules/${_kernver}
+  cd ${pkgdir}/lib/modules/${_kernver}
+  ln -sf ../../../usr/src/linux-${_kernver} build
+  cd "${srcdir}/linux-${pkgver}"
+  install -D -m644 Makefile \
+    ${pkgdir}/usr/src/linux-${_kernver}/Makefile
+  install -D -m644 kernel/Makefile \
+    ${pkgdir}/usr/src/linux-${_kernver}/kernel/Makefile
+  install -D -m644 .config \
+    ${pkgdir}/usr/src/linux-${_kernver}/.config
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/include
+
+  for i in acpi asm-generic config generated linux math-emu media net pcmcia scsi sound trace video xen; do
+    cp -a include/$i ${pkgdir}/usr/src/linux-${_kernver}/include/
+  done
+
+  # copy arch includes for external modules
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH
+  cp -a arch/$KARCH/include ${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH/
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH/mach-bcm2708
+  cp -a arch/$KARCH/mach-bcm2708/include ${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH/mach-bcm2708/
+
+  # copy files necessary for later builds, like nvidia and vmware
+  cp Module.symvers ${pkgdir}/usr/src/linux-${_kernver}
+  cp -a scripts ${pkgdir}/usr/src/linux-${_kernver}
+  # fix permissions on scripts dir
+  chmod og-w -R ${pkgdir}/usr/src/linux-${_kernver}/scripts
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/.tmp_versions
+
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH/kernel
+
+  cp arch/$KARCH/Makefile ${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH/
+  if [ "$CARCH" = "i686" ]; then
+    cp arch/$KARCH/Makefile_32.cpu ${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH/
+  fi
+  cp arch/$KARCH/kernel/asm-offsets.s ${pkgdir}/usr/src/linux-${_kernver}/arch/$KARCH/kernel/
+
+  # add headers for lirc package
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video
+  cp drivers/media/video/*.h  ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/
+  for i in bt8xx cpia2 cx25840 cx88 em28xx et61x251 pwc saa7134 sn9c102; do
+   mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/$i
+   cp -a drivers/media/video/$i/*.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/video/$i
+  done
+#  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/staging/usbvideo/
+#  cp -a drivers/staging/usbvideo/*.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/staging/usbvideo/
+  # add docbook makefile
+  install -D -m644 Documentation/DocBook/Makefile \
+    ${pkgdir}/usr/src/linux-${_kernver}/Documentation/DocBook/Makefile
+  # add dm headers
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/md
+  cp drivers/md/*.h  ${pkgdir}/usr/src/linux-${_kernver}/drivers/md
+  # add inotify.h
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/include/linux
+  cp include/linux/inotify.h ${pkgdir}/usr/src/linux-${_kernver}/include/linux/
+  # add wireless headers
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/net/mac80211/
+  cp net/mac80211/*.h ${pkgdir}/usr/src/linux-${_kernver}/net/mac80211/
+  # add dvb headers for external modules
+  # in reference to:
+  # http://bugs.archlinux.org/task/9912
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-core
+  cp drivers/media/dvb/dvb-core/*.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-core/
+  # add dvb headers for external modules
+  # in reference to:
+  # http://bugs.archlinux.org/task/11194
+  #mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/include/config/dvb/
+  #cp include/config/dvb/*.h ${pkgdir}/usr/src/linux-${_kernver}/include/config/dvb/
+  # add dvb headers for http://mcentral.de/hg/~mrec/em28xx-new
+  # in reference to:
+  # http://bugs.archlinux.org/task/13146
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/
+  cp drivers/media/dvb/frontends/lgdt330x.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/
+  cp drivers/media/video/msp3400-driver.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/
+  # add dvb headers  
+  # in reference to:
+  # http://bugs.archlinux.org/task/20402
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-usb
+  cp drivers/media/dvb/dvb-usb/*.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/dvb-usb/
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends
+  cp drivers/media/dvb/frontends/*.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/dvb/frontends/
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/common/tuners
+  cp drivers/media/common/tuners/*.h ${pkgdir}/usr/src/linux-${_kernver}/drivers/media/common/tuners/
+  # add xfs and shmem for aufs building
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/fs/xfs
+  mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/mm
+  cp fs/xfs/xfs_sb.h ${pkgdir}/usr/src/linux-${_kernver}/fs/xfs/xfs_sb.h
+  # add headers vor virtualbox
+  # in reference to:
+  # http://bugs.archlinux.org/task/14568
+  cp -a include/drm $pkgdir/usr/src/linux-${_kernver}/include/
+  # add headers for broadcom wl
+  # in reference to:
+  # http://bugs.archlinux.org/task/14568
+  cp -a include/trace $pkgdir/usr/src/linux-${_kernver}/include/
+  # add headers for crypto modules
+  # in reference to:
+  # http://bugs.archlinux.org/task/22081
+  cp -a include/crypto $pkgdir/usr/src/linux-${_kernver}/include/
+  # copy in Kconfig files
+  for i in `find . -name "Kconfig*"`; do 
+    mkdir -p ${pkgdir}/usr/src/linux-${_kernver}/`echo $i | sed 's|/Kconfig.*||'`
+    cp $i ${pkgdir}/usr/src/linux-${_kernver}/$i
+  done
+
+  chown -R root.root ${pkgdir}/usr/src/linux-${_kernver}
+  find ${pkgdir}/usr/src/linux-${_kernver} -type d -exec chmod 755 {} \;
+  # strip scripts directory
+  find ${pkgdir}/usr/src/linux-${_kernver}/scripts  -type f -perm -u+w 2>/dev/null | while read binary ; do
+  case "$(file -bi "$binary")" in
+    *application/x-sharedlib*) # Libraries (.so)
+    /usr/bin/strip $STRIP_SHARED "$binary";;
+    *application/x-archive*) # Libraries (.a)
+    /usr/bin/strip $STRIP_STATIC "$binary";;
+    *application/x-executable*) # Binaries
+    /usr/bin/strip $STRIP_BINARIES "$binary";;
+    esac 
+  done 
+  # remove unneeded architectures
+  rm -rf ${pkgdir}/usr/src/linux-${_kernver}/arch/{alpha,avr32,blackfin,cris,frv,h8300,ia64,m32r,m68k,m68knommu,mips,microblaze,mn10300,parisc,powerpc,ppc,s390,sh,sh64,sparc,sparc64,um,v850,xtensa}
+}
--- a/core/kernel26-raspberrypi/args-uncompressed.txt
+++ b/core/kernel26-raspberrypi/args-uncompressed.txt
@ -0,0 +1,12 @@
+; kernel args (place at 0x00000100)
+0x00000005
+0x54410001
+0x00000001
+0x00001000
+0x00000000
+0x00000004
+0x54410002
+0x08000000
+0x00000000
+0x00000000
+0x00000000
--- a/core/kernel26-raspberrypi/armdma.patch
+++ b/core/kernel26-raspberrypi/armdma.patch
@ -0,0 +1,122 @@
+diff -urN linux-3.1-rc4-a/arch/arm/include/asm/dma-mapping.h linux-3.1-rc4-b/arch/arm/include/asm/dma-mapping.h
+--- linux-3.1-rc4-a/arch/arm/include/asm/dma-mapping.h	2011-08-29 05:16:01.000000000 +0100
+++ linux-3.1-rc4-b/arch/arm/include/asm/dma-mapping.h	2011-09-02 12:09:00.000000000 +0100
+@@ -205,6 +205,15 @@
+ int dma_mmap_writecombine(struct device *, struct vm_area_struct *,
+ 		void *, dma_addr_t, size_t);
+ 
+#ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE
+#define ARCH_HAS_DMA_COHERENT_WRITE_SYNC
+
+static inline void dma_coherent_write_sync(void)
+{
+	dsb();
+	outer_sync();
+}
+#endif
+ 
+ #ifdef CONFIG_DMABOUNCE
+ /*
+diff -urN linux-3.1-rc4-a/Documentation/DMA-API-HOWTO.txt linux-3.1-rc4-b/Documentation/DMA-API-HOWTO.txt
+--- linux-3.1-rc4-a/Documentation/DMA-API-HOWTO.txt	2011-08-29 05:16:01.000000000 +0100
+++ linux-3.1-rc4-b/Documentation/DMA-API-HOWTO.txt	2011-09-02 12:01:09.000000000 +0100
+@@ -400,6 +400,22 @@
+ from a pool before you destroy the pool. This function may not
+ be called in interrupt context.
+ 
+Some architectures which supporting DMA coherent memory may still have write
+buffering between the CPU and DMA memory. This buffering may delay CPU writes
+from reaching coherent memory in a timely manner. These delays in turn can
+lead lead to dramatic performance issues in certain cases. An architecture
+may mitigate this problem to a large degree by having a write buffer flush
+implicit in the MMIO functions used to write to device registers. This works
+for the most common cases where a driver needs to write to a register to tell
+a device that something was written to the shared coherent memory. There are
+other cases where the device polls the dma-coherent memory for data written
+by the driver. In such cases, the driver needs to explicity force write buffer
+data to memory by calling:
+
+	dma_coherent_write_sync();
+
+
+
+ 			DMA Direction
+ 
+ The interfaces described in subsequent portions of this document
+diff -urN linux-3.1-rc4-a/Documentation/DMA-API.txt linux-3.1-rc4-b/Documentation/DMA-API.txt
+--- linux-3.1-rc4-a/Documentation/DMA-API.txt	2011-08-29 05:16:01.000000000 +0100
+++ linux-3.1-rc4-b/Documentation/DMA-API.txt	2011-09-02 12:03:06.000000000 +0100
+@@ -418,6 +418,18 @@
+ 	....
+ 
+ 
+Part Ie - Write buffering to dma-coherent memory
+------------------------------------------------
+
+Some architectures supporting DMA coherent memory may have write
+buffering between the CPU and DMA memory. This buffering may delay
+CPU writes from reaching coherent memory in a timely manner.
+
+    void
+    dma_coherent_write_sync()
+
+Force any outstanding coherent writes to memory.
+
+ Part II - Advanced dma_ usage
+ -----------------------------
+ 
+diff -urN linux-3.1-rc4-a/drivers/usb/host/ehci-q.c linux-3.1-rc4-b/drivers/usb/host/ehci-q.c
+--- linux-3.1-rc4-a/drivers/usb/host/ehci-q.c	2011-08-29 05:16:01.000000000 +0100
+++ linux-3.1-rc4-b/drivers/usb/host/ehci-q.c	2011-09-02 12:17:20.000000000 +0100
+@@ -114,6 +114,7 @@
+ 	/* HC must see latest qtd and qh data before we clear ACTIVE+HALT */
+ 	wmb ();
+ 	hw->hw_token &= cpu_to_hc32(ehci, QTD_TOGGLE | QTD_STS_PING);
+	dma_coherent_write_sync();
+ }
+ 
+ /* if it weren't for a common silicon quirk (writing the dummy into the qh
+@@ -404,6 +405,7 @@
+ 					wmb();
+ 					hw->hw_token = cpu_to_hc32(ehci,
+ 							token);
+					dma_coherent_write_sync();
+ 					goto retry_xacterr;
+ 				}
+ 				stopped = 1;
+@@ -753,8 +755,10 @@
+ 	}
+ 
+ 	/* by default, enable interrupt on urb completion */
+-	if (likely (!(urb->transfer_flags & URB_NO_INTERRUPT)))
+	if (likely(!(urb->transfer_flags & URB_NO_INTERRUPT))) {
+ 		qtd->hw_token |= cpu_to_hc32(ehci, QTD_IOC);
+		dma_coherent_write_sync();
+	}
+ 	return head;
+ 
+ cleanup:
+@@ -1081,6 +1085,7 @@
+ 			/* let the hc process these next qtds */
+ 			wmb ();
+ 			dummy->hw_token = token;
+			dma_coherent_write_sync();
+ 
+ 			urb->hcpriv = qh_get (qh);
+ 		}
+diff -urN linux-3.1-rc4-a/include/linux/dma-mapping.h linux-3.1-rc4-b/include/linux/dma-mapping.h
+--- linux-3.1-rc4-a/include/linux/dma-mapping.h	2011-08-29 05:16:01.000000000 +0100
+++ linux-3.1-rc4-b/include/linux/dma-mapping.h	2011-09-02 12:06:06.000000000 +0100
+@@ -154,6 +154,12 @@
+ }
+ #endif
+ 
+#ifndef ARCH_HAS_DMA_COHERENT_WRITE_SYNC
+static inline void dma_coherent_write_sync(void)
+{
+}
+#endif
+
+ /*
+  * Managed DMA API
+  */
--- a/core/kernel26-raspberrypi/boot-uncompressed.txt
+++ b/core/kernel26-raspberrypi/boot-uncompressed.txt
@ -0,0 +1,17 @@
+; bootloader (place at 0x00000000)
+0xea000006
+0xe1a00000
+0xe1a00000
+0xe1a00000
+0xe1a00000
+0xe1a00000
+0xe1a00000
+0xe1a00000
+
+0xe3a00000
+0xe3a01042
+0xe3811c0c
+0xe59f2000
+0xe59ff000
+0x00000100
+0x00008000
--- a/core/kernel26-raspberrypi/imagetool-uncompressed.py
+++ b/core/kernel26-raspberrypi/imagetool-uncompressed.py
@ -0,0 +1,41 @@
+#!/usr/bin/python2
+
+import os
+import re
+import sys
+
+try:
+   linuxdir = sys.argv[1]
+except:
+   linuxdir = "linux"
+   
+re_line = re.compile(r"0x(?P<value>[0-9a-f]{8})")
+
+mem = [0 for i in range(32768)]
+
+def load_to_mem(name, addr):
+   f = open(name)
+
+   for l in f.readlines():
+      m = re_line.match(l)
+
+      if m:
+         value = int(m.group("value"), 16)
+
+         for i in range(4):
+            mem[addr] = int(value >> i * 8 & 0xff)
+            addr += 1
+
+   f.close()
+
+load_to_mem("boot-uncompressed.txt", 0x00000000)
+load_to_mem("args-uncompressed.txt", 0x00000100)
+
+f = open("first32k.bin", "wb")
+
+for m in mem:
+   f.write(chr(m))
+
+f.close()
+
+os.system("cat first32k.bin Image > kernel.img")
--- a/core/kernel26-raspberrypi/kernel26.install
+++ b/core/kernel26-raspberrypi/kernel26.install
@ -0,0 +1,20 @@
+KERNEL_NAME=
+KERNEL_VERSION=2.6.35.7
+
+post_install() {
+# ARM doesn't use mkinitcpio or anything like that
+# so we skip it here
+echo -e "\033[1mNotice\033[0m"
+echo ""
+echo "This package is built for the Raspberry Pi."
+echo ""
+/sbin/depmod ${KERNEL_VERSION}
+}
+
+post_upgrade() {
+	post_install
+}
+
+op=$1
+shift
+$op $*
--- a/core/kernel26-raspberrypi/kernel26.preset
+++ b/core/kernel26-raspberrypi/kernel26.preset
@ -0,0 +1,17 @@
+# mkinitcpio preset file for kernel26
+
+########################################
+# DO NOT EDIT THIS LINE:
+source /etc/mkinitcpio.d/kernel26.kver
+########################################
+ALL_config="/etc/mkinitcpio.conf"
+
+PRESETS=('default' 'fallback')
+
+#default_config="/etc/mkinitcpio.conf"
+default_image="/boot/kernel26.img"
+#default_options=""
+
+#fallback_config="/etc/mkinitcpio.conf"
+fallback_image="/boot/kernel26-fallback.img" 
+fallback_options="-S autodetect"
--- a/core/kernel26-raspberrypi/rp-patches.tar.gz
+++ b/core/kernel26-raspberrypi/rp-patches.tar.gz
--- a/core/kernel26-raspberrypi/sys_accept4.patch
+++ b/core/kernel26-raspberrypi/sys_accept4.patch
@ -0,0 +1,22 @@
+diff -rupN linux-2.6.35/arch/arm/include/asm/unistd.h linux-2.6.35.arm-sys_accept4/arch/arm/include/asm/unistd.h
+--- linux-2.6.35/arch/arm/include/asm/unistd.h	2010-05-17 19:51:29.000000000 +0200
+++ linux-2.6.35.arm-sys_accept4/arch/arm/include/asm/unistd.h	2010-08-03 14:34:35.000000000 +0200
+@@ -392,6 +392,7 @@
+ #define __NR_rt_tgsigqueueinfo		(__NR_SYSCALL_BASE+363)
+ #define __NR_perf_event_open		(__NR_SYSCALL_BASE+364)
+ #define __NR_recvmmsg			(__NR_SYSCALL_BASE+365)
+#define __NR_accept4			(__NR_SYSCALL_BASE+366)
+
+ /*
+  * The following SWIs are ARM private.
+diff -rupN linux-2.6.35/arch/arm/kernel/calls.S linux-2.6.35.arm-sys_accept4/arch/arm/kernel/calls.S
+--- linux-2.6.35/arch/arm/kernel/calls.S	2010-05-17 19:51:29.000000000 +0200
+++ linux-2.6.35.arm-sys_accept4/arch/arm/kernel/calls.S	2010-08-03 14:34:35.000000000 +0200
+@@ -375,6 +375,7 @@
+ 		CALL(sys_rt_tgsigqueueinfo)
+ 		CALL(sys_perf_event_open)
+ /* 365 */	CALL(sys_recvmmsg)
+		CALL(sys_accept4)
+ #ifndef syscalls_counted
+ .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
+ #define syscalls_counted