diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 11:39:19 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 11:39:19 -0800 |
| commit | 81d6e59dabb1ae0c782e9eb7e3d88f699d25b314 (patch) | |
| tree | 532afd14c119f1c95206ef0d23db9c4c26a0aa34 /arch/sh/kernel/head_32.S | |
| parent | 4a6908a3a050aacc9c3a2f36b276b46c0629ad91 (diff) | |
| parent | 59de580af1c2fd671b0cb27c41ff958859ae5288 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (132 commits)
sh: oprofile: Fix up the module build.
sh: add UIO support for JPU on SH7722.
serial: sh-sci: Fix up port pinmux for SH7366.
sh: mach-rsk: Use uImage generation by default for rsk7201/7203.
sh: mach-sh03: Fix up pata_platform build breakage.
sh: enable deferred io LCDC on Migo-R
video: sh_mobile_lcdcfb deferred io support
video: deferred io with physically contiguous memory
video: deferred io cleanup
video: fix deferred io fsync()
sh: add LCDC interrupt configuration to AP325 and Migo-R
sh_mobile_lcdc: use FB_SYS helpers instead of FB_CFB
sh: split coherent pages
sh: dma: Kill off ISA DMA wrapper.
sh: Conditionalize the code dumper on CONFIG_DUMP_CODE.
sh: Kill off the unused SH_ALPHANUMERIC debug option.
sh: Enable skipping of bss on debug platforms for sh32 also.
doc: Update sh cpufreq documentation.
sh: mrshpc_setup_windows() needs to be inline.
serial: sh-sci: sci_poll_get_char() is only used by CONFIG_CONSOLE_POLL.
...
Diffstat (limited to 'arch/sh/kernel/head_32.S')
| -rw-r--r-- | arch/sh/kernel/head_32.S | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S index ae0a382a82e..788605ff708 100644 --- a/arch/sh/kernel/head_32.S +++ b/arch/sh/kernel/head_32.S @@ -80,8 +80,14 @@ ENTRY(_stext) mov.l 7f, r0 ldc r0, r7_bank ! ... and initial thread_info #endif - - ! Clear BSS area + +#ifndef CONFIG_SH_NO_BSS_INIT + /* + * Don't clear BSS if running on slow platforms such as an RTL simulation, + * remote memory via SHdebug link, etc. For these the memory can be guaranteed + * to be all zero on boot anyway. + */ + ! Clear BSS area #ifdef CONFIG_SMP mov.l 3f, r0 cmp/eq #0, r0 ! skip clear if set to zero @@ -97,6 +103,8 @@ ENTRY(_stext) mov.l r0,@-r2 10: +#endif + ! Additional CPU initialization mov.l 6f, r0 jsr @r0 |