Add build kernel-iso option to build script

1 files changed, 33 insertions, 13 deletions

diff --git a/kernel/build.sh b/kernel/build.sh
index 7986ee1..f47a5b6 100755
--- a/kernel/build.sh
+++ b/kernel/build.sh
@@ -1,28 +1,44 @@
 #!/usr/bin/sh
 
+ASM_PATH="./"
+TARGET_PATH="target/"
+TMP_PATH="$TARGET_PATH/temp/"
+OBJ_PATH="$TMP_PATH"
+LINK_SCRIPT_PATH="./"
+
 remove_target() {
-    rm -rf target &> /dev/null
+    rm -rf $TARGET_PATH &> /dev/null
 }
 
 create_target() {
-    mkdir target &> /dev/null
-    mkdir target/temp &> /dev/null
+    mkdir $TARGET_PATH &> /dev/null
+    mkdir $TMP_PATH &> /dev/null
 }
 
 cleanup_temp() {
-    rm -f target/temp/* &> /dev/null
+    rm -f $TMP_PATH/* &> /dev/null
 }
 
 # ---------------------------------------------------
 
-build_kernel() {
+build_kernel_elf() {
     create_target
-    nasm -felf64 multiboot_header.asm -o target/temp/multiboot_header.o
-    nasm -felf64 boot.asm -o target/temp/boot.o
-    ld -n -o target/kernel.bin -T linker.ld target/temp/*.o
+    nasm -felf64 $ASM_PATH/multiboot_header.asm -o $OBJ_PATH/multiboot_header.o
+    nasm -felf64 $ASM_PATH/boot.asm -o $OBJ_PATH/boot.o
+    ld -n -o $TARGET_PATH/kernel.bin -T $LINK_SCRIPT_PATH/linker.ld $OBJ_PATH/*.o
     cleanup_temp
 }
 
+build_kernel_iso_from_elf() {
+    create_target
+    echo NIY: build kernel from elf
+}
+
+build_kernel_iso() {
+    build_kernel_elf
+    build_kernel_iso_from_elf
+}
+
 build_init() {
     create_target
 }
@@ -39,7 +55,9 @@ not_exec=true
 
 for arg in "$@"; do
     case "$arg" in
-        "kernel") build_kernel;;
+        "kernel-elf") build_kernel_elf;;
+        "kernel-iso-from-elf") build_kernel_iso_from_elf;;
+        "kernel-iso") build_kernel_iso;;
         "init") build_init;;
         "clean") build_clean;;
         "all") build_all;;
@@ -54,11 +72,13 @@ done
 print_help() {
     echo "usage: $0 option"
     echo "options: "
-    echo "  init          initialise directory"
-    echo "  clean         cleanup binaries"
+    echo "  init                      initialise directory"
+    echo "  clean                     cleanup binaries"
     echo
-    echo "  kernel        build the kernel"
-    echo "  all           build kernel"
+    echo "  kernel-elf                build the kernel-elf"
+    echo "  kernel-iso-from-elf       build the kernel-iso from an existing kernel-elf"
+    echo "  kernel-iso                build the kernel-elf and the kernel-iso"
+    echo "  all                       build kernel"
 }
 
 if $not_exec; then