From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/arch/powerpc/kernel/prom_init_check.sh | 36 +++++++++++++++++++++++++++++-------
1 files changed, 29 insertions(+), 7 deletions(-)
diff --git a/kernel/arch/powerpc/kernel/prom_init_check.sh b/kernel/arch/powerpc/kernel/prom_init_check.sh
index acb6b92..dfa5f72 100644
--- a/kernel/arch/powerpc/kernel/prom_init_check.sh
+++ b/kernel/arch/powerpc/kernel/prom_init_check.sh
@@ -1,11 +1,8 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-or-later
#
# Copyright © 2008 IBM Corporation
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version
-# 2 of the License, or (at your option) any later version.
# This script checks prom_init.o to see what external symbols it
# is using, if it finds symbols not in the whitelist it returns
@@ -16,17 +13,38 @@
# If you really need to reference something from prom_init.o add
# it to the list below:
+grep "^CONFIG_KASAN=y$" ${KCONFIG_CONFIG} >/dev/null
+if [ $? -eq 0 ]
+then
+ MEM_FUNCS="__memcpy __memset"
+else
+ MEM_FUNCS="memcpy memset"
+fi
+
WHITELIST="add_reloc_offset __bss_start __bss_stop copy_and_flush
-_end enter_prom memcpy memset reloc_offset __secondary_hold
+_end enter_prom $MEM_FUNCS reloc_offset __secondary_hold
__secondary_hold_acknowledge __secondary_hold_spinloop __start
-strcmp strcpy strlcpy strlen strncmp strstr kstrtobool logo_linux_clut224
+logo_linux_clut224 btext_prepare_BAT
reloc_got2 kernstart_addr memstart_addr linux_banner _stext
-__prom_init_toc_start __prom_init_toc_end btext_setup_display TOC."
+__prom_init_toc_start __prom_init_toc_end btext_setup_display TOC.
+relocate"
NM="$1"
OBJ="$2"
ERROR=0
+
+check_section()
+{
+ file=$1
+ section=$2
+ size=$(objdump -h -j $section $file 2>/dev/null | awk "\$2 == \"$section\" {print \$3}")
+ size=${size:-0}
+ if [ $size -ne 0 ]; then
+ ERROR=1
+ echo "Error: Section $section not empty in prom_init.c" >&2
+ fi
+}
for UNDEF in $($NM -u $OBJ | awk '{print $2}')
do
@@ -66,4 +84,8 @@
fi
done
+check_section $OBJ .data
+check_section $OBJ .bss
+check_section $OBJ .init.data
+
exit $ERROR
--
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