script: amlogic: add code scan script

PD#166377: script: amlogic: add code scan script

Add code scan script.

Usage: ./script/amlogic/code_scan.sh [path]

Examples:
	# scan all code
	./script/amlogic/code_scan.sh

	# scan specified directory
	./script/amlogic/code_scan.sh drivers/amlogic

scan result is in src code's parent directory, named coverity_html

Change-Id: I069cd99d08014cc50a3bf127e199690649e196c8
Signed-off-by: Ao Xu <ao.xu@amlogic.com>

diff --git a/scripts/amlogic/code_scan.sh b/scripts/amlogic/code_scan.sh
new file mode 100755 (executable)
index 0000000..4c2da91
--- /dev/null
+++ b/scripts/amlogic/code_scan.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+export PATH=/proj/coverity/cov-analysis/bin/:$PATH
+export CROSS_COMPILE=/opt/gcc-linaro-6.3.1-2017.02-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-
+export KERNEL_PATH=`pwd`
+export KERNEL_OUTPUT_PATH="$KERNEL_PATH/../kernel_output/"
+export COVERITY_OUTPUT_PATH="$KERNEL_PATH/../coverity_output/"
+export COVERITY_HTML_PATH="$KERNEL_PATH/../coverity_html/"
+
+if [ -n "$1" ]; then
+       if [ -d "$KERNEL_PATH/$1" ]; then
+               echo "scan path: $1"
+       else
+               echo "you should input a right module path"
+               exit 1
+       fi
+fi
+
+echo "kernel distclean"
+make ARCH=arm64 O="$KERNEL_OUTPUT_PATH" distclean
+rm -rf "$COVERITY_HTML_PATH"
+
+
+make ARCH=arm64 O="$KERNEL_OUTPUT_PATH" meson64_defconfig
+cov-build --dir $COVERITY_OUTPUT_PATH make ARCH=arm64 O="$KERNEL_OUTPUT_PATH" -j8 Image  UIMAGE_LOADADDR=0x1080000 || echo "Compile Image Fail !!"
+if [ -n "$1" ]; then
+       cov-analyze --dir "$COVERITY_OUTPUT_PATH" --strip-path "$KERNEL_PATH" --tu-pattern "file(\"$1\")" --all
+else
+       cov-analyze --dir "$COVERITY_OUTPUT_PATH" --strip-path "$KERNEL_PATH" --all
+fi
+cov-format-errors --dir "$COVERITY_OUTPUT_PATH" --strip-path "$KERNEL_PATH" --html-output "$COVERITY_HTML_PATH" --filesort -x
+
+rm -rf "$COVERITY_HTML_PATH/emit"