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| Started by | Yoshinori Sato <ysato@users.sourceforge.jp> |
|---|---|
| First post | 2016-06-12 09:00 +0200 |
| Last post | 2016-06-12 13:40 +0200 |
| Articles | 2 — 2 participants |
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[PATCH v2 07/17] sh: Passing FDT address on zImage Yoshinori Sato <ysato@users.sourceforge.jp> - 2016-06-12 09:00 +0200
Re: [PATCH v2 07/17] sh: Passing FDT address on zImage Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-06-12 13:40 +0200
| From | Yoshinori Sato <ysato@users.sourceforge.jp> |
|---|---|
| Date | 2016-06-12 09:00 +0200 |
| Subject | [PATCH v2 07/17] sh: Passing FDT address on zImage |
| Message-ID | <rJ7xf-5js-11@gated-at.bofh.it> |
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> --- arch/sh/boot/compressed/head_32.S | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/sh/boot/compressed/head_32.S b/arch/sh/boot/compressed/head_32.S index 3e15032..ef70454 100644 --- a/arch/sh/boot/compressed/head_32.S +++ b/arch/sh/boot/compressed/head_32.S @@ -11,10 +11,11 @@ .global startup startup: + /* Save FDT address */ + mov r4, r13 /* Load initial status register */ mov.l init_sr, r1 ldc r1, sr - /* Move myself to proper location if necessary */ mova 1f, r0 mov.l 1f, r2 @@ -83,7 +84,7 @@ l1: /* Jump to the start of the decompressed kernel */ mov.l kernel_start_addr, r0 jmp @r0 - nop + mov r13,r4 .align 2 bss_start_addr: -- 2.7.0
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| From | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> |
|---|---|
| Date | 2016-06-12 13:40 +0200 |
| Message-ID | <rJbUd-854-5@gated-at.bofh.it> |
| In reply to | #1420173 |
On 6/12/2016 9:54 AM, Yoshinori Sato wrote:
> Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
> ---
> arch/sh/boot/compressed/head_32.S | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/arch/sh/boot/compressed/head_32.S b/arch/sh/boot/compressed/head_32.S
> index 3e15032..ef70454 100644
> --- a/arch/sh/boot/compressed/head_32.S
> +++ b/arch/sh/boot/compressed/head_32.S
> @@ -11,10 +11,11 @@
>
> .global startup
> startup:
> + /* Save FDT address */
> + mov r4, r13
> /* Load initial status register */
> mov.l init_sr, r1
> ldc r1, sr
> -
> /* Move myself to proper location if necessary */
> mova 1f, r0
> mov.l 1f, r2
> @@ -83,7 +84,7 @@ l1:
> /* Jump to the start of the decompressed kernel */
> mov.l kernel_start_addr, r0
> jmp @r0
> - nop
> + mov r13,r4
Forgot a space after comma?
Is it a delay slot BTW (judging by extra indentation)?
[...]
MBR, Sergei
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