From: Jeroen Hofstee <jeroen@myspectrum.nl>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 2/9] arm: Set up global data before board_init_f()
Date: Tue, 08 Jul 2014 22:00:36 +0200 [thread overview]
Message-ID: <53BC4DE4.6070805@myspectrum.nl> (raw)
In-Reply-To: <CAPnjgZ2+Gi=Ji8hjkJmf_PNFQpDs3Y19m5dDKQxYG=PycZmN_w@mail.gmail.com>
Hello Simon,
On 08-07-14 20:41, Simon Glass wrote:
> Hi Jeroen,
>
> On 8 July 2014 11:13, Jeroen Hofstee <jeroen@myspectrum.nl> wrote:
>>> diff --git a/arch/arm/include/asm/config.h b/arch/arm/include/asm/config.h
>>> index 2a20a77..abf79e5 100644
>>> --- a/arch/arm/include/asm/config.h
>>> +++ b/arch/arm/include/asm/config.h
>>> @@ -7,8 +7,6 @@
>>> #ifndef _ASM_CONFIG_H_
>>> #define _ASM_CONFIG_H_
>>> -#define CONFIG_SYS_GENERIC_GLOBAL_DATA
>>> -
>>
>> This bricks aarch64 I guess.
> I'll see if I can add it there also.
If you manage actually boot an virtual aarch64 board (with console),
could you report how you did it. I gave up at the fifth loader or
something bl3.3?
>>> #define CONFIG_LMB
>>> #define CONFIG_SYS_BOOT_RAMDISK_HIGH
>>> diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S
>>> index dfc2de9..bbf3e41 100644
>>> --- a/arch/arm/lib/crt0.S
>>> +++ b/arch/arm/lib/crt0.S
>>> @@ -67,9 +67,16 @@ ENTRY(_main)
>>> ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
>>> #endif
>>> bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
>>> + mov r2, sp
>>> sub sp, sp, #GD_SIZE /* allocate one GD above SP */
>>> bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
>>> mov r9, sp /* GD is above SP */
>>> + mov r1, r9
>>> + mov r0, #0
>>> +clr_gd: cmp r1, r2 /* while not at end of BSS
nitpicking, personal taste I guess: could you hit enter after the clr_gd
label?
>
>>> + blo clr_gd
>>> mov r0, #0
>>> bl board_init_f
>>>
>>
>> The mov r0, #0 for the argument could be removed, but at
>> least deserves a comment if you do so.
> OK, I'll add that too.
I leave that up to you.
Regards,
Jeroen
next prev parent reply other threads:[~2014-07-08 20:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-07 23:19 [U-Boot] [PATCH v2 0/9] Add a pre-relocation malloc() implementation Simon Glass
2014-07-07 23:19 ` [U-Boot] [PATCH v2 1/9] Remove form-feeds from dlmalloc.c Simon Glass
2014-07-07 23:19 ` [U-Boot] [PATCH v2 2/9] arm: Set up global data before board_init_f() Simon Glass
2014-07-08 17:13 ` Jeroen Hofstee
2014-07-08 18:41 ` Simon Glass
2014-07-08 20:00 ` Jeroen Hofstee [this message]
2014-07-11 4:16 ` Simon Glass
2014-07-07 23:19 ` [U-Boot] [PATCH v2 3/9] sandbox: " Simon Glass
2014-07-07 23:19 ` [U-Boot] [PATCH v2 4/9] Add a simple malloc() implementation for pre-relocation Simon Glass
2014-07-15 3:08 ` Graeme Russ
2014-07-07 23:19 ` [U-Boot] [PATCH v2 5/9] arm: Support pre-relocation malloc() Simon Glass
2014-07-07 23:19 ` [U-Boot] [PATCH v2 6/9] exynos: Enable " Simon Glass
2014-07-07 23:19 ` [U-Boot] [PATCH v2 7/9] sandbox: Support " Simon Glass
2014-07-07 23:19 ` [U-Boot] [PATCH v2 8/9] sandbox: config: Enable " Simon Glass
2014-07-07 23:19 ` [U-Boot] [PATCH v2 9/9] sandbox: Always enable malloc debug Simon Glass
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