3 files changed, 55 insertions, 0 deletions
diff --git a/boot/amd64/generic/stage3/Makefile b/boot/amd64/generic/stage3/Makefile
new file mode 100644
index 0000000..08e159e
--- /dev/null
+++ b/boot/amd64/generic/stage3/Makefile
@@ -0,0 +1,22 @@
+#
+# Copyright (c) 2026, Apollo Telephone Laboratories.
+# Provided under the BSD-3 clause.
+#
+
+include ../mk/build.mk
+
+CFLAGS = $(INTERNAL_CFLAGS) -MMD
+CFILES = $(shell find . -name "*.c")
+OFILES = $(CFILES:.c=.o)
+DFILES = $(CFILES:.c=.d)
+
+.PHONY: all
+all: stage3
+
+.PHONY: stage3
+stage3: $(OFILES)
+	$(CC) $(CFLAGS) -Tlink.ld $(OFILES) -o stage3.bin
+
+-include $(DFILES)
+%.o: %.c
+	$(CC) -c $< $(CFLAGS) -o $@
diff --git a/boot/amd64/generic/stage3/entry.c b/boot/amd64/generic/stage3/entry.c
new file mode 100644
index 0000000..3e4b95b
--- /dev/null
+++ b/boot/amd64/generic/stage3/entry.c
@@ -0,0 +1,7 @@
+void
+main(void)
+{
+    for (;;) {
+        __asm__ __volatile__("cli; hlt");
+    }
+}
diff --git a/boot/amd64/generic/stage3/link.ld b/boot/amd64/generic/stage3/link.ld
new file mode 100644
index 0000000..abbd785
--- /dev/null
+++ b/boot/amd64/generic/stage3/link.ld
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2026, Apollo Telephone Laboratories.
+ * Provided under the BSD-3 clause.
+ */
+
+OUTPUT_FORMAT(binary)
+
+SECTIONS {
+    . = 0x0000;
+
+    .text : {
+        *(.text)
+    }
+
+    .data : {
+        *(.data)
+    }
+
+    .rodata : {
+        *(.rodata)
+    }
+
+    .bss : {
+        *(.bss)
+    }
+}