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From: Reinhard Meyer <reinhard.meyer@emk-elektronik.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [RFC][PATCH v2 17/19] arm cp15: setup mmu and enable dcache
Date: Fri, 06 Aug 2010 18:27:51 +0200	[thread overview]
Message-ID: <4C5C3807.80408@emk-elektronik.de> (raw)
In-Reply-To: <AANLkTinH1f9P0z678sscMeh0a_QcS51FZg39WNMV-QRy@mail.gmail.com>

Ben Gardiner wrote:
> But I think that the value loaded to sp is still wrong because of the
> restrictions on immediate arguments in ARM instructions.
>
> with (0x80000000 + 128*1024 -16):
> ---
> c1080078 <call_board_init_f>:
> c1080078:       e59fd328        ldr     sp, [pc, #808]  ; c10803a8 <fiq+0x48>
> c108007c:       e3a00000        mov     r0, #0  ; 0x0
> c1080080:       eb00017f        bl      c1080684 <board_init_f>
>
> and with (0x80000000 + 128*1024 -8):
> ---
> c1080078 <call_board_init_f>:
> c1080078:       e59fd328        ldr     sp, [pc, #808]  ; c10803a8 <fiq+0x48>
> c108007c:       e3a00000        mov     r0, #0  ; 0x0
> c1080080:       eb00017f        bl      c1080684 <board_init_f>
>   
The value loaded into SP is IN the location at PC+808... look there.
About in 0xc1080078+0x0328 give or take a word.

Reinhard

  reply	other threads:[~2010-08-06 16:27 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-29 10:45 [U-Boot] [RFC][PATCH 17/19] arm cp15: setup mmu and enable dcache Heiko Schocher
2010-07-30  9:11 ` Nick Thompson
2010-07-30  9:32   ` Heiko Schocher
2010-07-30  9:57     ` Nick Thompson
2010-07-30 10:13       ` Heiko Schocher
2010-08-03 10:16   ` [U-Boot] [RFC][PATCH v2 " Heiko Schocher
2010-08-05 18:22     ` Ben Gardiner
2010-08-06  5:29       ` Heiko Schocher
2010-08-06 15:41         ` Ben Gardiner
2010-08-06 15:46           ` Wolfgang Denk
2010-08-06 16:14             ` Ben Gardiner
2010-08-06 16:27               ` Reinhard Meyer [this message]
2010-08-06 16:32                 ` Reinhard Meyer
2010-08-06 16:44                   ` Ben Gardiner
2010-08-10 17:45                     ` Ben Gardiner
2010-08-11  5:56                       ` Heiko Schocher
2010-08-11 13:31                         ` Ben Gardiner
2010-08-11 13:53                           ` Ben Gardiner
2010-08-11 17:06                             ` Heiko Schocher
2010-08-11 19:56                             ` Wolfgang Denk
2010-07-30  9:31 ` [U-Boot] [RFC][PATCH " Alessandro Rubini

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