Outline lightning talk.

[libguestfs-talks.git] / 2019-lightning-talk / assemble.sh

diff --git a/2019-lightning-talk/assemble.sh b/2019-lightning-talk/assemble.sh
new file mode 100755 (executable)
index 0000000..699d5b9
--- /dev/null
+++ b/2019-lightning-talk/assemble.sh
@@ -0,0 +1,26 @@
+#!/bin/bash -
+
+f=$tmpdir/source.asm
+s=$tmpdir/final.asm
+b=$tmpdir/binary
+
+case "$1" in
+    config)
+        if [ "$2" = "file" ]; then
+            ln -sf "$(realpath "$3")" $f
+        else
+            echo "unknown parameter $2=$2" >&2
+            exit 1
+        fi ;;
+    config_complete)
+        echo 'org 07c00h' > $s
+        cat $f >> $s
+        echo 'times 510-($-$$) db 0' >> $s
+        echo 'db 055h,0aah' >> $s
+        nasm -f bin $s -o $b ;;
+    get_size) echo 512 ;;
+    pread) dd if=$b skip=$4 count=$3 iflag=count_bytes,skip_bytes ;;
+    can_write) ;;
+    pwrite) exit 1 ;;
+    *) exit 2 ;;
+esac