From 44037398d49dcf239be6e34022ee7e906650e102 Mon Sep 17 00:00:00 2001
From: Berkus Decker <berkus+github@metta.systems>
Date: Wed, 7 Oct 2020 15:04:38 +0300
Subject: [PATCH] Add hopper make target

hopper is useful for inspecting kernel disassembly.
---
 Justfile              | 5 +++++
 nucleus/Makefile.toml | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/Justfile b/Justfile
index c21df01..bd7fa4a 100644
--- a/Justfile
+++ b/Justfile
@@ -17,3 +17,8 @@ clippy:
 
 test:
     cargo make test
+
+alias disasm := hopper
+
+hopper:
+    cargo make hopper
diff --git a/nucleus/Makefile.toml b/nucleus/Makefile.toml
index 9498f11..62a1923 100644
--- a/nucleus/Makefile.toml
+++ b/nucleus/Makefile.toml
@@ -70,3 +70,11 @@ args = ["unmount", "/Volumes/BOOT/"]
 [tasks.clippy]
 command = "cargo"
 args = ["clippy", "${BUILD_STD}", "--target=${TARGET_JSON}", "--", "-D", "warnings"]
+
+[tasks.hopper]
+dependencies = ["build", "kernel-binary"]
+# The cmd line below causes a bug in hopper, see https://www.dropbox.com/s/zyw5mfx0bepcjb1/hopperv4-RAW-bug.mov?dl=0
+#"hopperv4 --loader RAW --base-address 0x80000 --entrypoint 0x80000 --file-offset 0 --plugin arm --cpu aarch64 --variant generic --contains-code true --executable ${KERNEL_BIN}"
+script = [
+    "hopperv4 --loader ELF --executable ${KERNEL_ELF}"
+]