1 files changed, 40 insertions, 0 deletions

diff --git a/src/tools/build.sh b/src/tools/build.sh
new file mode 100755
index 0000000..d542a8f
--- /dev/null
+++ b/src/tools/build.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+# build.sh -- a shell version of build.c for the new bootsect.s & setup.s
+# author: falcon <wuzhangjin@gmail.com>
+# update: 2008-10-10
+
+bootsect=$1
+setup=$2
+system=$3
+IMAGE=$4
+root_dev=$5
+
+# Set the biggest sys_size
+# Changes from 0x20000 to 0x30000 by tigercn to avoid oversized code.
+SYS_SIZE=$((0x3000*16))
+
+# set the default "device" file for root image file
+if [ -z "$root_dev" ]; then
+        DEFAULT_MAJOR_ROOT=3
+        DEFAULT_MINOR_ROOT=1
+else
+        DEFAULT_MAJOR_ROOT=${root_dev:0:2}
+        DEFAULT_MINOR_ROOT=${root_dev:2:3}
+fi
+
+# Write bootsect (512 bytes, one sector) to stdout
+[ ! -f "$bootsect" ] && echo "there is no bootsect binary file there" && exit -1
+dd if=$bootsect bs=512 count=1 of=$IMAGE 2>&1 >/dev/null
+
+# Write setup(4 * 512bytes, four sectors) to stdout
+[ ! -f "$setup" ] && echo "there is no setup binary file there" && exit -1
+dd if=$setup seek=1 bs=512 count=4 of=$IMAGE 2>&1 >/dev/null
+
+# Write system(< SYS_SIZE) to stdout
+[ ! -f "$system" ] && echo "there is no system binary file there" && exit -1
+system_size=`wc -c $system |cut -d" " -f1`
+[ $system_size -gt $SYS_SIZE ] && echo "the system binary is too big" && exit -1
+dd if=$system seek=5 bs=512 count=$((2888-1-4)) of=$IMAGE 2>&1 >/dev/null
+
+# Set "device" for the root image file
+echo -ne "\x$DEFAULT_MINOR_ROOT\x$DEFAULT_MAJOR_ROOT" | dd ibs=1 obs=1 count=2 seek=508 of=$IMAGE conv=notrunc  2>&1 >/dev/null