From: Sascha Hauer <s.hauer@pengutronix.de>
To: BAREBOX <barebox@lists.infradead.org>
Subject: [PATCH 1/7] memory: request RO data section as separate region
Date: Fri, 13 Jun 2025 09:58:49 +0200 [thread overview]
Message-ID: <20250613-arm-mmu-xn-ro-v1-1-60f05c6e7b4b@pengutronix.de> (raw)
In-Reply-To: <20250613-arm-mmu-xn-ro-v1-0-60f05c6e7b4b@pengutronix.de>
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>
---
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 -
--
2.39.5
next prev parent reply other threads:[~2025-06-13 9:09 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 ` Sascha Hauer [this message]
2025-06-13 9:15 ` [PATCH 1/7] memory: request RO data section as separate region Ahmad Fatoum
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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