4 files changed, 55 insertions, 1 deletions
diff --git a/sys/Makefile b/sys/Makefile
index bfac75a..e345114 100644
--- a/sys/Makefile
+++ b/sys/Makefile
@@ -4,12 +4,16 @@ SYS_CFLAGS =
 ARCH =
 
 .PHONY: all
-all: arch
+all: kern arch
 
 .PHONY: arch
 arch:
 	cd arch/$(ARCH); make CC=$(CC) LD=$(LD) SYS_CFLAGS="$(SYS_CFLAGS)"
 
+.PHONY: kern
+kern:
+	cd kern/; make CC=$(CC) LD=$(LD) SYS_CFLAGS="$(SYS_CFLAGS)"
+
 .PHONY: clean
 clean:
 	cd arch/$(ARCH); make clean
diff --git a/sys/arch/amd64/cpu/boot.S b/sys/arch/amd64/cpu/boot.S
index 1d21572..12ba9e4 100644
--- a/sys/arch/amd64/cpu/boot.S
+++ b/sys/arch/amd64/cpu/boot.S
@@ -48,6 +48,8 @@ _start:
     lea bootmsg(%rip), %rdi
     movq bootmsg_len, %rsi
     call uart_write
+
+    call kmain              /* Call our kernel entrypoint */
 1:  cli
     hlt
     jmp 1b
diff --git a/sys/kern/Makefile b/sys/kern/Makefile
new file mode 100644
index 0000000..27fe60b
--- /dev/null
+++ b/sys/kern/Makefile
@@ -0,0 +1,10 @@
+CFILES = $(shell find . -name "*.c")
+OFILES = $(CFILES:.c=.o)
+CC =
+SYS_CFLAGS =
+
+.PHONY: all
+all: $(OFILES)
+
+%.o: %.c
+	$(CC) -c $< $(SYS_CFLAGS) -I../inc/ -o $@
diff --git a/sys/kern/kern_init.c b/sys/kern/kern_init.c
new file mode 100644
index 0000000..b37fb84
--- /dev/null
+++ b/sys/kern/kern_init.c
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+
+void kmain(void);
+
+void
+kmain(void)
+{
+    (void)0;
+}