From 15239ba6cfe2279b5afebfd4f954bb5469c605f1 Mon Sep 17 00:00:00 2001
From: Hunter Kvalevog <hunter@kvog.sh>
Date: Tue, 9 Jun 2026 17:45:45 -0500
Subject:

---
 aarch64/.gitignore          |  1 +
 aarch64/common.S            | 25 ++++++++++++++++++++++++
 aarch64/mariokartwii_ch07.S | 47 +++++++++++++++++++++++++++++++++++++++++++++
 aarch64/mariokartwii_ch08.S | 39 +++++++++++++++++++++++++++++++++++++
 aarch64/run.sh              |  4 ++++
 5 files changed, 116 insertions(+)
 create mode 100644 aarch64/.gitignore
 create mode 100644 aarch64/common.S
 create mode 100644 aarch64/mariokartwii_ch07.S
 create mode 100644 aarch64/mariokartwii_ch08.S
 create mode 100755 aarch64/run.sh

(limited to 'aarch64')

diff --git a/aarch64/.gitignore b/aarch64/.gitignore
new file mode 100644
index 0000000..1fcb152
--- /dev/null
+++ b/aarch64/.gitignore
@@ -0,0 +1 @@
+out
diff --git a/aarch64/common.S b/aarch64/common.S
new file mode 100644
index 0000000..34bb529
--- /dev/null
+++ b/aarch64/common.S
@@ -0,0 +1,25 @@
+// ================================================================================================
+// Shared macros
+//
+// License:
+//     SPDX-License-Identifier: 0BSD
+//     Copyright (c) 2026 Hunter Kvalevog
+//
+//     Permission to use, copy, modify, and/or distribute this software for any
+//     purpose with or without fee is hereby granted.
+//
+//     THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+//     WITH REGARD TO THIS SOFTWARE.
+// ================================================================================================
+
+#define CONCAT_(A, B) A ## B
+#define CONCAT(A, B) CONCAT_(A, B)
+
+#ifdef __APPLE__
+#   define SYM(LABEL) CONCAT(_, LABEL)
+#   define TEXT_SEGMENT .section __TEXT,__text
+#else
+#   define SYM(LABEL) LABEL
+#   define TEXT_SEGMENT .section .text
+#endif
+
diff --git a/aarch64/mariokartwii_ch07.S b/aarch64/mariokartwii_ch07.S
new file mode 100644
index 0000000..69794eb
--- /dev/null
+++ b/aarch64/mariokartwii_ch07.S
@@ -0,0 +1,47 @@
+// ================================================================================================
+// Code written while following chapter 7 of the MarioKart Wii ARM64 assembly tutorial:
+// https://mariokartwii.com/arm64/ch7.html
+//
+// License:
+//     SPDX-License-Identifier: 0BSD
+//     Copyright (c) 2026 Hunter Kvalevog
+//
+//     Permission to use, copy, modify, and/or distribute this software for any
+//     purpose with or without fee is hereby granted.
+//
+//     THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+//     WITH REGARD TO THIS SOFTWARE.
+// ================================================================================================
+
+#include "common.S"
+
+TEXT_SEGMENT
+
+.global SYM(main)
+
+SYM(main):
+    // Add
+    mov x0, #1
+    mov x1, #2
+    add x2, x0, x1
+
+    // Add immediate
+    add x3, x2, #0x100
+
+    // Subtract immediate
+    mov x4, x3
+    sub x4, x4, #0x100
+
+    // Multiply
+    mov x5, #5
+    mul x5, x4, x5
+
+    // Divide
+    udiv x6, x5, x4
+    mov x7, #-1
+    sdiv x7, x6, x7
+
+    neg x8, x7
+
+    brk #0 // (lldb) register read
+
diff --git a/aarch64/mariokartwii_ch08.S b/aarch64/mariokartwii_ch08.S
new file mode 100644
index 0000000..7713fe8
--- /dev/null
+++ b/aarch64/mariokartwii_ch08.S
@@ -0,0 +1,39 @@
+// ================================================================================================
+// Code written while following chapter 8 of the MarioKart Wii ARM64 assembly tutorial:
+// https://mariokartwii.com/arm64/ch8.html
+//
+// License:
+//     SPDX-License-Identifier: 0BSD
+//     Copyright (c) 2026 Hunter Kvalevog
+//
+//     Permission to use, copy, modify, and/or distribute this software for any
+//     purpose with or without fee is hereby granted.
+//
+//     THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+//     WITH REGARD TO THIS SOFTWARE.
+// ================================================================================================
+
+#include "common.S"
+
+TEXT_SEGMENT
+
+.global SYM(main)
+
+SYM(main):
+    // move shift
+    mov x0, #0xFFFFFFFFFFFFFFFF
+    lsl x0, x0, #32
+
+    mov x1, #0xFFFFFFFFFFFFFFFF
+    movk x1, #0x1234, lsl 32
+
+    mov x2, #0xFFFFFFFFFFFFFFFF
+    movz x2, #0x1234, lsl 32
+
+    mov x3, #0xFFFFFFFFFFFFFFFF
+    movk x3, #0x1111, lsl 48
+    movk x3, #0x2222, lsl 32
+    movk x3, #0x3333, lsl 16
+    movk x3, #0x4444
+
+    brk #0 // (lldb) register read
diff --git a/aarch64/run.sh b/aarch64/run.sh
new file mode 100755
index 0000000..7e44d86
--- /dev/null
+++ b/aarch64/run.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+D="$(dirname "$0")"
+clang -o "$D/out" "$1" || exit 1
+lldb --no-lldbinit -o "target create out" -o "process launch"
-- 
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