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e69edc7939
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Eric Miao e69edc7939 ARM: Auto calculate ZRELADDR and provide option for exceptions 
As long as the zImage is placed within the 128MB range from the start of
memory, ZRELADDR (Address where the decompressed kernel will be placed,
usually == PHYS_OFFSET + TEXT_OFFSET) can be determined at run-time by
masking PC with 0xf80000000.

Running through all the Makefile.boot, all those zreladdr-y
addresses == 0x[0-f][08]00_0000 + TEXT_OFFSET can be determined at
run-time.

Option CONFIG_AUTO_ZRELADDR and CONFIG_ZRELADDR are introduced,
CONFIG_ZRELADDR _must_ be explicitly specified if:

- ((zreladdr-y - TEXT_OFFSET) & ~0xf8000000) != 0, which means
  masking PC with 0xf8000000 will result in an incorrect address.
  Currently this is only a problem on u300.

- or the assumption of the zImage being loaded by the bootloader within
  the first 128MB of RAM is incorrect

- or when ZBOOT_ROM is used, where the above assumption is usually wrong.

[ukleinek: changed mask from 0xf0000000 to 0xf8000000 for mx1 and shark
+ some review fixes from the mailing list]

Original-Idea-and-Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Eric Miao <eric.miao@canonical.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2010-07-12 10:11:50 +02:00
..
boot ARM: Auto calculate ZRELADDR and provide option for exceptions 2010-07-12 10:11:50 +02:00
common ARM: 6146/1: sa1111: Prevent deadlock in resume path 2010-05-27 10:36:08 +01:00
configs ARM: s3c2410_defconfig: Add new machines 2010-05-28 19:33:05 +09:00
include/asm asm-generic: remove ARCH_HAS_SG_CHAIN in scatterlist.h 2010-05-27 09:12:54 -07:00
kernel ARM: deprecate support for old way to pass kernel parameters 2010-07-07 16:38:36 +02:00
lib
mach-aaec2000
mach-at91 ARM: mach-at91: duplicated include 2010-05-24 20:40:13 +01:00
mach-bcmring
mach-clps711x ARM: arch/arm/mach-clps711x/Makefile.boot: Checkpatch cleanup 2010-05-24 20:40:09 +01:00
mach-cns3xxx
mach-davinci davinci: da850 TPS6507x touch screen driver board data 2010-05-28 01:37:39 +02:00
mach-dove
mach-ebsa110
mach-ep93xx Merge remote branch 'origin' into secretlab/next-spi 2010-05-25 00:38:26 -06:00
mach-footbridge ARM: arch/arm/mach-footbridge/ebsa285-pci.c: Checkpatch cleanup 2010-05-24 20:40:10 +01:00
mach-gemini
mach-h720x ARM: arch/arm/mach-h720x/common.h: Checkpatch cleanup 2010-05-24 20:40:10 +01:00
mach-integrator
mach-iop13xx
mach-iop32x
mach-iop33x
mach-ixp4xx
mach-ixp23xx
mach-ixp2000
mach-kirkwood Merge git://git.infradead.org/mtd-2.6 2010-05-21 07:25:43 -07:00
mach-ks8695
mach-l7200
mach-lh7a40x
mach-loki
mach-mmp
mach-msm msm: dma: add completion.h header 2010-06-07 16:16:33 -07:00
mach-mv78xx0
mach-mx1
mach-mx2 Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm 2010-05-25 12:06:33 -07:00
mach-mx3 leds: Add mx31moboard MC13783 led support 2010-05-26 13:07:56 +01:00
mach-mx5 Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel-stable 2010-05-20 23:43:18 +01:00
mach-mx25 arm/mx25: add watchdog device 2010-05-18 08:32:33 +02:00
mach-mxc91231
mach-netx
mach-nomadik ARM: 6145/1: ux500 MTU clockrate correction 2010-05-27 10:36:08 +01:00
mach-ns9xxx
mach-nuc93x
mach-omap1 Merge branch 'omap4-i2c-init' into omap-for-linus 2010-05-20 11:37:23 -07:00
mach-omap2 arm: omap: switch over to gpio_set_debounce 2010-05-27 09:12:42 -07:00
mach-orion5x leds: leds-gpio: Change blink_set callback to be able to turn off blinking 2010-05-26 13:07:55 +01:00
mach-pnx4008
mach-pxa [ARM] pxa/spitz: Correctly register WM8750 2010-05-31 12:03:45 +08:00
mach-realview
mach-rpc
mach-s3c24a0/include/mach
mach-s3c64xx ARM: S3C64XX: Add USB OTG HCLK to the list of clocks 2010-05-28 19:31:34 +09:00
mach-s3c2400
mach-s3c2410 ARM: SAMSUNG: Move WDT device definitions in plat-samsung 2010-05-20 19:44:18 +09:00
mach-s3c2412 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 2010-05-20 09:41:44 -07:00
mach-s3c2416 ARM: SMDK2416: Add support for framebuffer device and ensure correct setup 2010-05-18 18:46:30 +09:00
mach-s3c2440 gta02: Use pcf50633 backlight driver instead of platform backlight driver. 2010-05-26 17:34:40 +01:00
mach-s3c2443 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-05-20 09:20:59 -07:00
mach-s5p6440 ARM: S5P: Fix the platform external interrupt issues. 2010-05-26 19:09:50 +09:00
mach-s5p6442 ARM: S5P: Fix the platform external interrupt issues. 2010-05-26 19:09:50 +09:00
mach-s5pc100 ARM: S5PC100: Fixup cross tree merge problems 2010-05-26 19:09:50 +09:00
mach-s5pv210 ARM: S5P: Fix the platform external interrupt issues. 2010-05-26 19:09:50 +09:00
mach-sa1100 ARM: arch/arm/mach-sa1100/leds.c: Checkpatch cleanup 2010-05-24 20:40:11 +01:00
mach-shark ARM: arch/arm/mach-shark/pci.c: Checkpatch cleanup 2010-05-24 20:40:11 +01:00
mach-shmobile ARM: remove 'select GENERIC_TIME' 2010-05-18 08:17:56 +01:00
mach-spear3xx
mach-spear6xx ARM: SPEAR6xx: remove duplicated #include 2010-05-24 20:39:52 +01:00
mach-stmp37xx
mach-stmp378x
mach-u300 ARM: AB3550 board configuration and irq for U300 2010-05-28 01:37:47 +02:00
mach-ux500 Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 2010-06-08 19:40:08 +01:00
mach-versatile
mach-vexpress
mach-w90x900 ARM: 6141/1: Add audio support part in arch/arm/mach-w90x900 2010-05-24 22:25:34 +01:00
mm ARM: 6164/1: Add kto and kfrom to input operands list. 2010-06-08 19:42:18 +01:00
nwfpe ARM: arch/arm/nwfpe/fpsr.h: Checkpatch cleanup 2010-05-24 20:40:12 +01:00
oprofile
plat-iop
plat-mxc Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel-stable 2010-05-20 23:43:18 +01:00
plat-nomadik ARM: 6145/1: ux500 MTU clockrate correction 2010-05-27 10:36:08 +01:00
plat-omap arm: omap: remove the unused omap_gpio_set_debounce methods 2010-05-27 09:12:42 -07:00
plat-orion
plat-pxa
plat-s3c24xx ARM: SAMSUNG: Move WDT device definitions in plat-samsung 2010-05-20 19:44:18 +09:00
plat-s5p ARM: S5P: Regoster clk_xusbxti clock for hsotg driver 2010-05-28 19:31:34 +09:00
plat-samsung ARM: SAMSUNG: gpio-cfg.h: update documentation 2010-05-28 19:31:32 +09:00
plat-spear
plat-stmp3xxx
plat-versatile
tools
vfp ARM: VFP: Fix vfp_put_double() for d16-d31 2010-05-27 10:32:06 +01:00
Kconfig ARM: Auto calculate ZRELADDR and provide option for exceptions 2010-07-12 10:11:50 +02:00
Kconfig-nommu
Kconfig.debug
Makefile Merge branch 'for-rmk/samsung3' of git://git.fluff.org/bjdooks/linux into devel-stable 2010-05-24 23:08:36 +01:00