做网站跟app需要多少钱,如何制作自媒体短视频,展示型网站设计,东莞做网站首选一、原生的读取版本接口是/proc/version#xff0c;我这里需要提供获取固件版本号的api给app#xff0c;因为版本号会经常需要修改#xff0c;如果每次都到kernel下修改比较麻烦#xff0c;我这里是想在编译脚本里面对版本号进行修改#xff0c;这样方便一点。 二、主要修…
一、原生的读取版本接口是/proc/version我这里需要提供获取固件版本号的api给app因为版本号会经常需要修改如果每次都到kernel下修改比较麻烦我这里是想在编译脚本里面对版本号进行修改这样方便一点。 二、主要修改kernel/fs/proc/version.c kernel/scripts/mkcompile_h 我的编译脚本里面会去调用我的mk文件去设置环境变量。 BOARD_CONFIG$TOP_DIR/device/xxx/px30/BoardConfig-px30-evb-ddr4-v11-xxx-board.mk
source $BOARD_CONFIG diff --git a/device/rockchip/px30/BoardConfig-px30-evb-ddr4-v11-uic-board.mk b/device/rockchip/px30/BoardConfig-px30-evb-ddr4-v11-uic-board.mk
index 21bc39866..b8841fb9f 100755
--- a/device/rockchip/px30/BoardConfig-px30-evb-ddr4-v11-uic-board.mkb/device/rockchip/px30/BoardConfig-px30-evb-ddr4-v11-uic-board.mk-51,3 51,4 export RK_USERDATA_DIRuserdata_normalexport RK_MISCwipe_all-misc.img#choose enable distro moduleexport RK_DISTRO_MODULE
export DEVICE_FIRMWARE_VERSIONv2.00
\ No newline at end of file
diff --git a/kernel/fs/proc/version.c b/kernel/fs/proc/version.c
old mode 100644
new mode 100755
index b5d4a052a..27f8a15cf
--- a/kernel/fs/proc/version.cb/kernel/fs/proc/version.c-17,7 17,7 static int version_proc_show(struct seq_file *m, void *v)static int firmware_version_proc_show(struct seq_file *m, void *v){
- seq_printf(m, V1.0 Date:%s,FIRMWARE_VERSION);seq_printf(m, %s,DEVICE_FIRMWARE_VERSION);return 0;}diff --git a/kernel/scripts/mkcompile_h b/kernel/scripts/mkcompile_h
index 897165138..bac38c411 100755
--- a/kernel/scripts/mkcompile_hb/kernel/scripts/mkcompile_h-66,7 66,7 UTS_LEN64UTS_TRUNCATEcut -b -$UTS_LEN# Generate a temporary compile.h
-
echo DEVICE_FIRMWARE_VERSION:$DEVICE_FIRMWARE_VERSION( echo /\* This file is auto generated, version $VERSION \*/if [ -n $CONFIG_FLAGS ] ; then echo /* $CONFIG_FLAGS */; fi -74,6 74,7 UTS_TRUNCATEcut -b -$UTS_LENecho \#define UTS_VERSION \echo $UTS_VERSION | $UTS_TRUNCATE\echo \#define FIRMWARE_VERSION \echo $FIRMWARE_VERSION\echo \#define DEVICE_FIRMWARE_VERSION \echo $DEVICE_FIRMWARE_VERSION\echo \#define FIRMWARE_VERSION_NUMBER \ echo $FIRMWARE_VERSION_NUMBER\echo \#define LINUX_COMPILE_BY \echo $LINUX_COMPILE_BY | $UTS_TRUNCATE\echo \#define LINUX_COMPILE_HOST \echo $LINUX_COMPILE_HOST | $UTS_TRUNCATE\三、编译和执行的结果
