From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/arch/c6x/include/asm/cacheflush.h | 24 ++----------------------
1 files changed, 2 insertions(+), 22 deletions(-)
diff --git a/kernel/arch/c6x/include/asm/cacheflush.h b/kernel/arch/c6x/include/asm/cacheflush.h
index df5db90..10922d5 100644
--- a/kernel/arch/c6x/include/asm/cacheflush.h
+++ b/kernel/arch/c6x/include/asm/cacheflush.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Port on Texas Instruments TMS320C6x architecture
*
* Copyright (C) 2004, 2009, 2010 Texas Instruments Incorporated
* Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.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_C6X_CACHEFLUSH_H
#define _ASM_C6X_CACHEFLUSH_H
@@ -18,21 +15,6 @@
#include <asm/mman.h>
#include <asm/page.h>
#include <asm/string.h>
-
-/*
- * virtually-indexed cache management (our cache is physically indexed)
- */
-#define flush_cache_all() do {} while (0)
-#define flush_cache_mm(mm) do {} while (0)
-#define flush_cache_dup_mm(mm) do {} while (0)
-#define flush_cache_range(mm, start, end) do {} while (0)
-#define flush_cache_page(vma, vmaddr, pfn) do {} while (0)
-#define flush_cache_vmap(start, end) do {} while (0)
-#define flush_cache_vunmap(start, end) do {} while (0)
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-#define flush_dcache_page(page) do {} while (0)
-#define flush_dcache_mmap_lock(mapping) do {} while (0)
-#define flush_dcache_mmap_unlock(mapping) do {} while (0)
/*
* physically-indexed cache management
@@ -52,14 +34,12 @@
(unsigned long) page_address(page) + PAGE_SIZE)); \
} while (0)
-
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
memcpy(dst, src, len); \
flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \
} while (0)
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
- memcpy(dst, src, len)
+#include <asm-generic/cacheflush.h>
#endif /* _ASM_C6X_CACHEFLUSH_H */
--
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