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[console speed] Inherit console speed from install environment (#1987)

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* pick up console speed from install enviroment

* get console speed from /proc/cmdline

* add CONSOLE_PORT handle
This commit is contained in:
Kebo Liu 2018-09-02 04:30:31 +08:00 committed by lguohan
parent 14a0b8c8a3
commit fd5a3cf6fb
1 changed files with 30 additions and 5 deletions
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35
installer/x86_64/install.sh
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@ -64,11 +64,6 @@ fi
echo "onie_platform: $onie_platform"
# default console settings
CONSOLE_PORT=0x3f8
CONSOLE_DEV=0
CONSOLE_SPEED=9600
# Get platform specific linux kernel command line arguments
ONIE_PLATFORM_EXTRA_CMDLINE_LINUX=""
@ -77,6 +72,36 @@ VAR_LOG_SIZE=4096
[ -r platforms/$onie_platform ] && . platforms/$onie_platform
# Pick up console port and speed from install enviroment if not defined yet.
# Console port and speed setting in cmdline is like "console=ttyS0,9600n",
# so we can use pattern 'console=ttyS[0-9]+,[0-9]+' to match it.
# If failed to get the speed and ttyS from cmdline then set them to default: ttyS0 and 9600
if [ -z "$CONSOLE_PORT" ]; then
console_ttys=$(cat /proc/cmdline | grep -Eo 'console=ttyS[0-9]+' | cut -d "=" -f2)
if [ -z "$console_ttys" -o "$console_ttys" = "ttyS0" ]; then
CONSOLE_PORT=0x3f8
CONSOLE_DEV=0
elif [ "$console_ttys" = "ttyS1" ]; then
CONSOLE_PORT=0x2f8
CONSOLE_DEV=1
elif [ "$console_ttys" = "ttyS2" ]; then
CONSOLE_PORT=0x3e8
CONSOLE_DEV=2
elif [ "$console_ttys" = "ttyS3" ]; then
CONSOLE_PORT=0x2e8
CONSOLE_DEV=3
fi
fi
if [ -z "$CONSOLE_SPEED" ]; then
speed=$(cat /proc/cmdline | grep -Eo 'console=ttyS[0-9]+,[0-9]+' | cut -d "," -f2)
if [ -z "$speed" ]; then
CONSOLE_SPEED=9600
else
CONSOLE_SPEED=$speed
fi
fi
# Install demo on same block device as ONIE
if [ "$install_env" != "build" ]; then
onie_dev=$(blkid | grep ONIE-BOOT | head -n 1 | awk '{print $1}' | sed -e 's/:.*$//')