forked from pool/u-boot
36c65f2eed
1 OBS-URL: https://build.opensuse.org/request/show/419605 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/u-boot?expand=0&rev=78
81 lines
2.0 KiB
Diff
81 lines
2.0 KiB
Diff
From d3be4adda0bb701a4eb823f0410ad7978a099cf5 Mon Sep 17 00:00:00 2001
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From: Alexander Graf <agraf@suse.de>
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Date: Sun, 7 Aug 2016 12:33:30 +0200
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Subject: [PATCH] x86: Move table csum into separate header
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We need the checksum function without all the other table functionality
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soon, so let's split it out into its own header file.
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Signed-off-by: Alexander Graf <agraf@suse.de>
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---
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arch/x86/include/asm/tables.h | 2 ++
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arch/x86/lib/tables.c | 12 ------------
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include/tables_csum.h | 22 ++++++++++++++++++++++
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3 files changed, 24 insertions(+), 12 deletions(-)
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create mode 100644 include/tables_csum.h
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diff --git a/arch/x86/include/asm/tables.h b/arch/x86/include/asm/tables.h
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index ae9f0d0..81f98f2 100644
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--- a/arch/x86/include/asm/tables.h
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+++ b/arch/x86/include/asm/tables.h
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@@ -7,6 +7,8 @@
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#ifndef _X86_TABLES_H_
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#define _X86_TABLES_H_
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+#include <tables_csum.h>
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+
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/*
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* All x86 tables happen to like the address range from 0xf0000 to 0x100000.
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* We use 0xf0000 as the starting address to store those tables, including
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diff --git a/arch/x86/lib/tables.c b/arch/x86/lib/tables.c
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index f92111e..9ee6b5e 100644
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--- a/arch/x86/lib/tables.c
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+++ b/arch/x86/lib/tables.c
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@@ -38,18 +38,6 @@ static table_write table_write_funcs[] = {
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#endif
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};
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-u8 table_compute_checksum(void *v, int len)
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-{
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- u8 *bytes = v;
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- u8 checksum = 0;
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- int i;
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-
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- for (i = 0; i < len; i++)
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- checksum -= bytes[i];
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-
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- return checksum;
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-}
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-
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void table_fill_string(char *dest, const char *src, size_t n, char pad)
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{
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int start, len;
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diff --git a/include/tables_csum.h b/include/tables_csum.h
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new file mode 100644
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index 0000000..27d147b
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--- /dev/null
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+++ b/include/tables_csum.h
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@@ -0,0 +1,22 @@
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+/*
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+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
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+ *
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+ * SPDX-License-Identifier: GPL-2.0+
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+ */
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+
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+#ifndef _TABLES_CSUM_H_
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+#define _TABLES_CSUM_H_
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+
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+static inline u8 table_compute_checksum(void *v, int len)
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+{
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+ u8 *bytes = v;
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+ u8 checksum = 0;
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+ int i;
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+
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+ for (i = 0; i < len; i++)
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+ checksum -= bytes[i];
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+
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+ return checksum;
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+}
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+
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+#endif
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