From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart
---
kernel/arch/arc/include/asm/linkage.h | 35 +++++++++++++++++++++++++----------
1 files changed, 25 insertions(+), 10 deletions(-)
diff --git a/kernel/arch/arc/include/asm/linkage.h b/kernel/arch/arc/include/asm/linkage.h
index 07c8e1a..8a3fb71 100644
--- a/kernel/arch/arc/include/asm/linkage.h
+++ b/kernel/arch/arc/include/asm/linkage.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __ASM_LINKAGE_H
@@ -11,11 +8,29 @@
#include <asm/dwarf.h>
-#ifdef __ASSEMBLY__
-
#define ASM_NL ` /* use '`' to mark new line in macro */
#define __ALIGN .align 4
#define __ALIGN_STR __stringify(__ALIGN)
+
+#ifdef __ASSEMBLY__
+
+.macro ST2 e, o, off
+#ifdef CONFIG_ARC_HAS_LL64
+ std \e, [sp, \off]
+#else
+ st \e, [sp, \off]
+ st \o, [sp, \off+4]
+#endif
+.endm
+
+.macro LD2 e, o, off
+#ifdef CONFIG_ARC_HAS_LL64
+ ldd \e, [sp, \off]
+#else
+ ld \e, [sp, \off]
+ ld \o, [sp, \off+4]
+#endif
+.endm
/* annotation for data we want in DCCM - if enabled in .config */
.macro ARCFP_DATA nm
@@ -49,15 +64,15 @@
#else /* !__ASSEMBLY__ */
#ifdef CONFIG_ARC_HAS_ICCM
-#define __arcfp_code __attribute__((__section__(".text.arcfp")))
+#define __arcfp_code __section(".text.arcfp")
#else
-#define __arcfp_code __attribute__((__section__(".text")))
+#define __arcfp_code __section(".text")
#endif
#ifdef CONFIG_ARC_HAS_DCCM
-#define __arcfp_data __attribute__((__section__(".data.arcfp")))
+#define __arcfp_data __section(".data.arcfp")
#else
-#define __arcfp_data __attribute__((__section__(".data")))
+#define __arcfp_data __section(".data")
#endif
#endif /* __ASSEMBLY__ */
--
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