3 files changed, 85 insertions, 0 deletions

diff --git a/aarch64/asmrun.sh b/aarch64/asmrun.sh
new file mode 100755
index 0000000..ffcb499
--- /dev/null
+++ b/aarch64/asmrun.sh
@@ -0,0 +1,14 @@
+D="$(dirname "$0")"
+clang -o "$D/_asmrun_out" "$1" || exit 1
+shift
+
+BP_ARGS=()
+for bp in "$@"; do
+    BP_ARGS+=(-o "breakpoint set --name $bp")
+done
+
+lldb --no-lldbinit --batch \
+    -o "target create $D/_asmrun_out" \
+    "${BP_ARGS[@]}" \
+    -o "process launch"
+
diff --git a/aarch64/mariokartwii_ch07.S b/aarch64/mariokartwii_ch07.S
new file mode 100644
index 0000000..ce3a3f5
--- /dev/null
+++ b/aarch64/mariokartwii_ch07.S
@@ -0,0 +1,41 @@
+// https://mariokartwii.com/arm64/ch7.html
+
+.section __TEXT,__text
+.global _main
+
+_main:
+    // Save stack frame
+    stp x29, x30, [sp, #-16]!
+    mov x29, sp
+
+    // 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
+
+    // Restore stack frame
+    ldp x29, x30, [sp], #16
+
+    // Return 0
+    mov x0, #0
+    ret
diff --git a/aarch64/mariokartwii_ch08.S b/aarch64/mariokartwii_ch08.S
new file mode 100644
index 0000000..3194156
--- /dev/null
+++ b/aarch64/mariokartwii_ch08.S
@@ -0,0 +1,30 @@
+// https://mariokartwii.com/arm64/ch8.html
+
+.section __TEXT,__text
+.global _main
+
+_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
+
+    // Restore stack frame
+    ldp x29, x30, [sp], #16
+
+    // Return 0
+    mov x0, #0
+    ret