From: Sam Edwards <cfsworks@gmail.com>
Date: Sat, 15 Mar 2025 22:18:02 +0000 (-0700)
Subject: arm: Add aligned-memory aliases to eabi_compat
X-Git-Tag: v2025.07-rc1~119^2~15^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=deba40dd0ba452a3f15a359894e6b50494870d0e;p=pandora-u-boot.git

arm: Add aligned-memory aliases to eabi_compat

These are sometimes used by LLVM's code-generator, when it can guarantee that
the memory buffer being passed is aligned on a (4- or 8-byte) boundary. They
can safely be aliased to the unaligned versions.

Signed-off-by: Sam Edwards <CFSworks@gmail.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
---

diff --git a/arch/arm/lib/eabi_compat.c b/arch/arm/lib/eabi_compat.c
index e4190c049a3..e6cafcc5f2b 100644
--- a/arch/arm/lib/eabi_compat.c
+++ b/arch/arm/lib/eabi_compat.c
@@ -33,12 +33,24 @@ void __aeabi_memcpy(void *dest, const void *src, size_t n)
 	(void) memcpy(dest, src, n);
 }
 
+void __aeabi_memcpy4(void *dest, const void *src, size_t n) __alias(__aeabi_memcpy);
+
+void __aeabi_memcpy8(void *dest, const void *src, size_t n) __alias(__aeabi_memcpy);
+
 void __aeabi_memset(void *dest, size_t n, int c)
 {
 	(void) memset(dest, c, n);
 }
 
+void __aeabi_memset4(void *dest, size_t n, int c) __alias(__aeabi_memset);
+
+void __aeabi_memset8(void *dest, size_t n, int c) __alias(__aeabi_memset);
+
 void __aeabi_memclr(void *dest, size_t n)
 {
 	(void) memset(dest, 0, n);
 }
+
+void __aeabi_memclr4(void *dest, size_t n) __alias(__aeabi_memclr);
+
+void __aeabi_memclr8(void *dest, size_t n) __alias(__aeabi_memclr);