From 16df48d3537bb09b295ca0dcc68c2474de25c882 Mon Sep 17 00:00:00 2001
From: Maya Matuszczyk <maccraft123mc@gmail.com>
Date: Tue, 26 Nov 2024 10:21:44 +0100
Subject: [PATCH] loader/depthcharge/install: autogenerate kernel its

---
 kernel/arm.kernel.its      |  45 -----
 kernel/arm64.kernel.its    | 326 -------------------------------------
 loader/depthcharge/install |  24 ++-
 3 files changed, 16 insertions(+), 379 deletions(-)
 delete mode 100644 kernel/arm.kernel.its
 delete mode 100644 kernel/arm64.kernel.its

diff --git a/kernel/arm.kernel.its b/kernel/arm.kernel.its
deleted file mode 100644
index 233f9c22..00000000
--- a/kernel/arm.kernel.its
+++ /dev/null
@@ -1,45 +0,0 @@
-/dts-v1/;
-
-/ {
-	images {
-		kernel@1{
-			description = "kernel";
-			data = /incbin/("arch/arm/boot/zImage");
-			type = "kernel_noload";
-			arch = "arm";
-			os = "linux";
-			load = <0>;
-			entry = <0>;
-		};
-		fdt@1 {
-			description = "rk3288-veyron-speedy.dtb";
-			data = /incbin/("arch/arm/boot/dts/rk3288-veyron-speedy.dtb");
-			type = "flat_dt";
-			arch = "arm";
-			compression = "none";
-			hash {
-				algo = "sha1";
-			};
-		};
-		fdt@2 {
-			description = "rk3288-veyron-minniedtb";
-			data = /incbin/("arch/arm/boot/dts/rk3288-veyron-minnie.dtb");
-			type = "flat_dt";
-			arch = "arm";
-			compression = "none";
-			hash {
-				algo = "sha1";
-			};
-		};
-	};
-	configurations {
-		conf@1{
-			kernel = "kernel@1";
-			fdt = "fdt@1";
-		};
-		conf@2{
-			kernel = "kernel@1";    
-			fdt = "fdt@2";
-		};
-	};
-};
diff --git a/kernel/arm64.kernel.its b/kernel/arm64.kernel.its
deleted file mode 100644
index 7b135c3d..00000000
--- a/kernel/arm64.kernel.its
+++ /dev/null
@@ -1,326 +0,0 @@
-/dts-v1/;
-
-/ {
-	images {
-		kernel@1{
-			description = "kernel";
-			data = /incbin/("c_linux.lz4");
-			type = "kernel_noload";
-			arch = "arm64";
-			os = "linux";
-			compression = "lz4";
-			load = <0>;
-			entry = <0>;
-		};
-		fdt@1{
-			description = "rk3399-gru-kevin.dtb";
-			data = /incbin/("arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@2{
-			description = "rk3399-gru-bob.dtb";
-			data = /incbin/("arch/arm64/boot/dts/rockchip/rk3399-gru-bob.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@3{
-			description = "mt8183-kukui-krane-sku176.dtb";
-			data = /incbin/("arch/arm64/boot/dts/mediatek/mt8183-kukui-krane-sku176.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@4{
-			description = "mt8183-kukui-krane-sku0.dtb";
-			data = /incbin/("arch/arm64/boot/dts/mediatek/mt8183-kukui-krane-sku0.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@5{
-			description = "sc7180-trogdor-lazor-r1.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r1.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@6{
-			description = "sc7180-trogdor-lazor-r1-kb.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r1-kb.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@7{
-			description = "sc7180-trogdor-lazor-r1-lte.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r1-lte.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@8{
-			description = "sc7180-trogdor-lazor-r3.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r3.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@9{
-			description = "sc7180-trogdor-lazor-r3-kb.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r3-kb.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@10{
-			description = "sc7180-trogdor-lazor-r3-lte.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor-r3-lte.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@11{
-			description = "sc7180-trogdor-homestar-r2.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-homestar-r2.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@12{
-			description = "sc7180-trogdor-homestar-r3.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-homestar-r3.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@13{
-			description = "sc7180-trogdor-coachz-r1.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-coachz-r1.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@14{
-			description = "sc7180-trogdor-coachz-r1-lte.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-coachz-r1-lte.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@15{
-			description = "sc7180-trogdor-coachz-r3.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-coachz-r3.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@16{
-			description = "sc7180-trogdor-coachz-r3-lte.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-coachz-r3-lte.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@17{
-			description = "mt8183-kukui-kodama-sku16.dtb";
-			data = /incbin/("arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama-sku16.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@18{
-			description = "mt8183-kukui-kodama-sku272.dtb";
-			data = /incbin/("arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama-sku272.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@19{
-			description = "mt8183-kukui-kodama-sku288.dtb";
-			data = /incbin/("arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama-sku288.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@20{
-			description = "mt8183-kukui-kodama-sku32.dtb";
-			data = /incbin/("arch/arm64/boot/dts/mediatek/mt8183-kukui-kodama-sku32.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@21{
-			description = "mt8173-elm-hana.dtb";
-			data = /incbin/("arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-		fdt@22{
-			description = "sc7180-trogdor-homestar-r4.dtb";
-			data = /incbin/("arch/arm64/boot/dts/qcom/sc7180-trogdor-homestar-r4.dtb");
-			type = "flat_dt";
-			arch = "arm64";
-			compression = "none";
-			hash@1{
-				algo = "sha1";
-			};
-		};
-	};
-	configurations {
-		conf@1{
-			kernel = "kernel@1";
-			fdt = "fdt@1";
-		};
-		conf@2{
-			kernel = "kernel@1";    
-			fdt = "fdt@2";
-		};
-		conf@3{
-			kernel = "kernel@1";    
-			fdt = "fdt@3";
-		};
-		conf@4{
-			kernel = "kernel@1";    
-			fdt = "fdt@4";
-		};
-		conf@5{
-			kernel = "kernel@1";    
-			fdt = "fdt@5";
-		};
-		conf@6{
-			kernel = "kernel@1";    
-			fdt = "fdt@6";
-		};
-		conf@7{
-			kernel = "kernel@1";
-			fdt = "fdt@7";
-		};
-		conf@8{
-			kernel = "kernel@1";
-			fdt = "fdt@8";
-		};
-		conf@9{
-			kernel = "kernel@1";
-			fdt = "fdt@9";
-		};
-		conf@10{
-			kernel = "kernel@1";
-			fdt = "fdt@10";
-		};
-		conf@11{
-			kernel = "kernel@1";
-			fdt = "fdt@11";
-		};
-		conf@12{
-			kernel = "kernel@1";
-			fdt = "fdt@12";
-		};
-		conf@13{
-			kernel = "kernel@1";
-			fdt = "fdt@13";
-		};
-		conf@14{
-			kernel = "kernel@1";
-			fdt = "fdt@14";
-		};
-		conf@15{
-			kernel = "kernel@1";
-			fdt = "fdt@15";
-		};
-		conf@16{
-			kernel = "kernel@1";
-			fdt = "fdt@16";
-		};
-		conf@17{
-			kernel = "kernel@1";
-			fdt = "fdt@17";
-		};
-		conf@18{
-			kernel = "kernel@1";
-			fdt = "fdt@18";
-		};
-		conf@19{
-			kernel = "kernel@1";
-			fdt = "fdt@19";
-		};
-		conf@20{
-			kernel = "kernel@1";
-			fdt = "fdt@20";
-		};
-		conf@21{
-			kernel = "kernel@1";
-			fdt = "fdt@21";
-		};
-		conf@22{
-			kernel = "kernel@1";
-			fdt = "fdt@22";
-		};
-	};
-};
diff --git a/loader/depthcharge/install b/loader/depthcharge/install
index 458b4911..8a1351c5 100755
--- a/loader/depthcharge/install
+++ b/loader/depthcharge/install
@@ -22,21 +22,29 @@ source "$CADMIUMROOT/flavor/$FLAV"
 
 cd "$CADMIUMROOT/tmp/linux-$ARCH"
 
-[ "$ARCH" != arm ] && lz4 -z --best -f "arch/$ARCH/boot/Image" c_linux.lz4
-#[ "$ARCH" != arm ] && lzma -z -e "arch/$ARCH/boot/Image" -c > c_linux.lzma
-
-# TODO: generate
-cp "$CADMIUMROOT/kernel/$ARCH.kernel.its" kernel.its
-
+if [ "$ARCH" = "arm64" ]; then
+	COMPRESSION="lz4"
+	IMAGE="c_linux.lz4"
+	lz4 -z --best -f "arch/$ARCH/boot/Image" c_linux.lz4
+else
+	COMPRESSION="none"
+	IMAGE="arch/arm/boot/zImage"
+fi
 
 cp "$CADMIUMROOT/kernel/cmdline" cmdline
 cp "$CADMIUMROOT/kernel/cmdline" cmdline.p2
 echo ' root=PARTUUID=%U/PARTNROFF=2' >> cmdline
 echo ' root=PARTUUID=%U/PARTNROFF=1' >> cmdline.p2
 
-# make kernel partition
-# yes this is stolen from solidhal's prawnos
+# https://github.com/archlinuxarm/PKGBUILDs/blob/master/core/linux-aarch64/PKGBUILD
+for B in veyron elm gru kukui trogdor; do
+	DTBS="$DTBS $(find arch/$ARCH/boot/dts -name \*${B}\*.dtb)"
+done
+
+echo $DTBS | "$CADMIUMROOT/loader/depthcharge/generate_chromebook_its.sh" "$IMAGE" "$ARCH" "$COMPRESSION" > kernel.its
+
 mkimage -D "-I dts -O dtb -p 2048" -f kernel.its vmlinux.uimg
+
 dd if=/dev/zero of=bootloader.bin bs=512 count=1
 $VBUTIL_KERNEL --pack vmlinux.kpart \
 	--version 1 \