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[PATCH 1/2] xen/arm32: head: Move earlyprintk 'hex' to .rodata.idmap
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Michal Orzel <michal.orzel@xxxxxxx>
- Date: Mon, 15 Jan 2024 13:48:58 +0100
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- Cc: Michal Orzel <michal.orzel@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Mon, 15 Jan 2024 12:49:21 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Thanks to 1ec3fe1f664f ("xen/arm32: head: Improve logging in head.S"),
we can now use PRINT_ID() macro to print messages when running on
identity mapping. For that, all the strings need to be part of the first
page that is mapped. This is not the case for a 'hex' string (used by
asm_putn when printing register values), which currently resides in
.rodata.str. Move it to .rodata.idmap to allow making use of print_reg
macro from anywhere (mostly to aid debugging).
Signed-off-by: Michal Orzel <michal.orzel@xxxxxxx>
---
xen/arch/arm/arm32/head.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/arch/arm/arm32/head.S b/xen/arch/arm/arm32/head.S
index 99d7d4aa63d1..b488a21a71ba 100644
--- a/xen/arch/arm/arm32/head.S
+++ b/xen/arch/arm/arm32/head.S
@@ -320,7 +320,7 @@ ENTRY(asm_putn)
mov pc, lr
ENDPROC(asm_putn)
-RODATA_STR(hex, "0123456789abcdef")
+RODATA_SECT(.rodata.idmap, hex, "0123456789abcdef")
#endif /* CONFIG_EARLY_PRINTK */
--
2.25.1
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