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Date: Tue, 13 Jul 2010 13:32:17 -0500 From: Rob Landley <rob@...dley.net> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: David Brown <davidb@...eaurora.org>, "Uwe Kleine-König" <u.kleine-koenig@...gutronix.de>, "Russell King - ARM Linux" <linux@....linux.org.uk>, Daniel Walker <dwalker@...eaurora.org>, Kevin Hilman <khilman@...prootsystems.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, linux-arm-msm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, Grant Likely <grant.likely@...retlab.ca>, Eric Miao <eric.miao@...onical.com>, linux-omap@...r.kernel.org, Nicolas Pitre <nico@...xnic.net> Subject: Re: ARM defconfig files On Monday 12 July 2010 18:18:01 Linus Torvalds wrote: > 2010/7/12 David Brown <davidb@...eaurora.org>: > > Do you have scripts or tools that you did this with, or is a manual > > process. We're about to add several new (ARM) targets, and it'd be > > nice to be able to make small defconfigs for those targets as well. > > Uwe posted it earlier in this thread as an attachement, and I put the > python script into the merge commit message too. And we should > probably put it somewhere in scripts too, and/or make a 'make' target > to create the small config files. > > I pushed it all out, and tagged it as -rc5. FYI, I repeatedly submitted a bash script to do this back in 2005, with documentation and makefile changes to call it and so on. http://lwn.net/Articles/161086/ The current version of that script is is in my mercurial archive here: http://impactlinux.com/hg/hgwebdir.cgi/aboriginal/file/tip/sources/toys/miniconfig.sh I'm still using it in my Aboriginal Linux project. (Not just for the kernel, but for busybox and uClibc too.) Attached are miniconfigs I use for a dozen or so QEMU targets. (The project is trying to build kernels aimed at every qemu system emulation. I've got maybe 2/3 of them so far. Arm, mips, sh4, x86, x86_64, sparc...) They're used to create the system-image tarballs here: http://impactlinux.com/aboriginal/downloads/binaries/ You can download that for that target that interests you, extract it, and use run-emulator.sh to launch it under qemu. I have a cron job that does cross- platform regression testing, spitting /dev/console to a log file on the host. By the way, my build is generating those miniconfigs via a common "baseconfig" file to which I append the target-specific stuff. For example, my current baseconfig is: CONFIG_EXPERIMENTAL=y CONFIG_NO_HZ=y CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_BLK_DEV_INITRD=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_PCI=y CONFIG_BINFMT_ELF=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y CONFIG_INET=y CONFIG_BLK_DEV=y CONFIG_BLK_DEV_LOOP=y CONFIG_IDE=y CONFIG_IDE_GD=y CONFIG_IDE_GD_ATA=y CONFIG_BLK_DEV_IDECD=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_BLK_DEV_SR=y CONFIG_SCSI_LOWLEVEL=y CONFIG_NETDEVICES=y CONFIG_NET_ETHERNET=y CONFIG_NET_PCI=y CONFIG_8139CP=y CONFIG_HW_RANDOM=y CONFIG_RTC_CLASS=y CONFIG_RTC_HCTOSYS=y CONFIG_RTC_INTF_SYSFS=y CONFIG_RTC_INTF_DEV=y CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y CONFIG_TMPFS=y CONFIG_MISC_FILESYSTEMS=y CONFIG_SQUASHFS=y CONFIG_MAGIC_SYSRQ=y Then for mips I append: CONFIG_MIPS_MALTA=y CONFIG_CPU_MIPS32_R2=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y #CONFIG_PM=y CONFIG_PCNET32=y CONFIG_BLK_DEV_PIIX=y Or for x86_64 it's: CONFIG_ACPI=y CONFIG_BLK_DEV_PIIX=y CONFIG_NETDEV_1000=y CONFIG_E1000=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y And for armv4tl it's this big long saga (yes, with comments): # Processor config # QEMU patch: http://www.mail-archive.com/qemu-devel@nongnu.org/msg19370.html # and QEMU option '-cpu arm920t' enable CONFIG_CPU_ARM920T=y which is the # processor that actually _needs_ this code. But until then, qemu can only # emulate an armv5 CPU... CONFIG_CPU_ARM926T=y CONFIG_MMU=y CONFIG_VFP=y CONFIG_ARM_THUMB=y CONFIG_AEABI=y # Versatile board CONFIG_ARCH_VERSATILE_PB=y CONFIG_PCI_LEGACY=y CONFIG_SERIAL_NONSTANDARD=y CONFIG_SERIAL_AMBA_PL011=y CONFIG_SERIAL_AMBA_PL011_CONSOLE=y CONFIG_RTC_DRV_PL031=y CONFIG_SCSI_SYM53C8XX_2=y CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0 CONFIG_SCSI_SYM53C8XX_MMIO=y Rob -- GPLv3: as worthy a successor as The Phantom Meanace, as timely as Duke Nukem Forever, and as welcome as New Coke. View attachment "miniconfig-armv4eb" of type "text/plain" (999 bytes) View attachment "miniconfig-armv4l" of type "text/plain" (1381 bytes) View attachment "miniconfig-armv4tl" of type "text/plain" (1394 bytes) View attachment "miniconfig-armv5l" of type "text/plain" (1139 bytes) View attachment "miniconfig-armv6l" of type "text/plain" (1134 bytes) View attachment "miniconfig-i486" of type "text/plain" (894 bytes) View attachment "miniconfig-i586" of type "text/plain" (894 bytes) View attachment "miniconfig-i686" of type "text/plain" (900 bytes) View attachment "miniconfig-mips" of type "text/plain" (903 bytes) View attachment "miniconfig-mips64" of type "text/plain" (905 bytes) View attachment "miniconfig-mipsel" of type "text/plain" (917 bytes) View attachment "miniconfig-powerpc" of type "text/plain" (1711 bytes) View attachment "miniconfig-powerpc-440fp" of type "text/plain" (1711 bytes) View attachment "miniconfig-sh4" of type "text/plain" (3216 bytes) View attachment "miniconfig-sparc" of type "text/plain" (879 bytes) View attachment "miniconfig-x86_64" of type "text/plain" (881 bytes)
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