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From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: Sascha Hauer <s.hauer@pengutronix.de>,
	BAREBOX <barebox@lists.infradead.org>
Subject: Re: [PATCH 1/7] memory: request RO data section as separate region
Date: Fri, 13 Jun 2025 11:15:57 +0200	[thread overview]
Message-ID: <8f53bf93-2b44-40f9-bb71-8a45d0528167@pengutronix.de> (raw)
In-Reply-To: <20250613-arm-mmu-xn-ro-v1-1-60f05c6e7b4b@pengutronix.de>

On 6/13/25 09:58, Sascha Hauer wrote:
> Map the RO data section as separate region so that it becomes visible in
> the iomem output.
> 
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>

> ---
>  common/memory.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/common/memory.c b/common/memory.c
> index a5b081be2c709f04667a67fbd2110520ab4973e3..708bfd26a0fc3d295d09632fb92e89f474bb7422 100644
> --- a/common/memory.c
> +++ b/common/memory.c
> @@ -103,8 +103,12 @@ static int mem_malloc_resource(void)
>  			malloc_end - malloc_start + 1);
>  	request_barebox_region("barebox code",
>  			(unsigned long)&_stext,
> -			(unsigned long)&_etext -
> +			(unsigned long)&__start_rodata -
>  			(unsigned long)&_stext);
> +	request_barebox_region("barebox RO data",
> +			(unsigned long)&__start_rodata,
> +			(unsigned long)&__end_rodata -
> +			(unsigned long)&__start_rodata);
>  	request_barebox_region("barebox data",
>  			(unsigned long)&_sdata,
>  			(unsigned long)&_edata -
> 

-- 
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  reply	other threads:[~2025-06-13 11:31 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-13  7:58 [PATCH 0/7] ARM: Map sections RO/XN Sascha Hauer
2025-06-13  7:58 ` [PATCH 1/7] memory: request RO data section as separate region Sascha Hauer
2025-06-13  9:15   ` Ahmad Fatoum [this message]
2025-06-13  7:58 ` [PATCH 2/7] ARM: pass barebox base to mmu_early_enable() Sascha Hauer
2025-06-13  9:17   ` Ahmad Fatoum
2025-06-13  7:58 ` [PATCH 3/7] ARM: mmu: move ARCH_MAP_WRITECOMBINE to header Sascha Hauer
2025-06-13  9:18   ` Ahmad Fatoum
2025-06-13  7:58 ` [PATCH 4/7] ARM: MMU: map memory for barebox proper pagewise Sascha Hauer
2025-06-13  9:23   ` Ahmad Fatoum
2025-06-13  7:58 ` [PATCH 5/7] ARM: MMU: map text segment ro and data segments execute never Sascha Hauer
2025-06-13 10:12   ` Ahmad Fatoum
2025-06-13 10:36   ` Ahmad Fatoum
2025-06-13  7:58 ` [PATCH 6/7] ARM: MMU64: map memory for barebox proper pagewise Sascha Hauer
2025-06-13 10:29   ` Ahmad Fatoum
2025-06-13  7:58 ` [PATCH 7/7] ARM: MMU64: map text segment ro and data segments execute never Sascha Hauer
2025-06-13 10:40   ` Ahmad Fatoum
2025-06-13 12:44 ` [PATCH 0/7] ARM: Map sections RO/XN Ahmad Fatoum

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