diff options
| -rw-r--r-- | shell/README.md | 8 | ||||
| -rwxr-xr-x | tools/image-data | 12 |
2 files changed, 19 insertions, 1 deletions
diff --git a/shell/README.md b/shell/README.md index 2843d0f1..3431638a 100644 --- a/shell/README.md +++ b/shell/README.md @@ -22,7 +22,13 @@ Currently runs a tiny dialect of Lisp. Steps to run it from the top-level: dd if=shell/data.limg of=data.img conv=notrunc ``` - Run with data disk (and 2GB of RAM): + Equivalently, use `tools/image-data`. + + ```sh + tools/image-data 10 < shell/data.limg + ``` + +3. Run with data disk (and 2GB of RAM): ```sh qemu-system-i386 -m 2G -hda code.img -hdb data.img ``` diff --git a/tools/image-data b/tools/image-data new file mode 100755 index 00000000..fe46e310 --- /dev/null +++ b/tools/image-data @@ -0,0 +1,12 @@ +#!/bin/sh +# Create a disk image containing some (text) data. + +if [ $# -eq 0 ] +then + echo "Fill disk of some capacity (in MB) from stdin" + echo "usage: image-data capacity" + exit 1 +fi + +dd if=/dev/zero of=data.img count=$(($1*2016)) # 32 * 63 sectors/track +dd of=data.img conv=notrunc |