stos: init: Add kernel C entry

Signed-off-by: Chloe M. <chloe@mensia.org>

paw/stos/Makefile

@@ -10,7 +10,11 @@
 include ../mk/stos.mk
 
 .PHONY: all
-all: machine
+all: ke machine
+
+.PHONY: ke
+ke:
+	cd ke/; $(MAKE) $(PASSDOWN_ARGS)
 
 .PHONY: machine
 machine:

paw/stos/arch/amd64/Makefile

@@ -12,6 +12,9 @@ include ../../../mk/stos.mk
 ASMFILES = $(shell find . -name "*.S")
 ASMOFILES = $(ASMFILES:.S=.S.o)
 
+MISC_OFILES = $(ASMOFILES)
+MISC_OFILES += $(shell find $(ST_PROJECT_ROOT)/paw/stos/ -name "*.o" | grep -v "arch")
+
 KERNEL_PATH =       \
 	$(ST_PROJECT_ROOT)/artifacts/stoskrnl.sys
 CFLAGS =			\
@@ -23,7 +26,7 @@ all: bin
 .PHONY: bin
 bin:  $(ASMOFILES)
 	$(PROMPT) "LD" $(KERNEL_PATH)
-	$(SYS_LD) -Tdevel/link.ld $(ASMOFILES) -o $(KERNEL_PATH)
+	$(SYS_LD) -Tdevel/link.ld $(MISC_OFILES) -o $(KERNEL_PATH)
 
 %.S.o: %.S
 	$(PROMPT) "AS" $<

paw/stos/arch/amd64/cpu/locore.S

@@ -8,12 +8,14 @@
 
     .text
     .globl _start
+    .extern KiKernelEntry
 _start:
     cli                /* Just in case */
     xor %rbp, %rbp     /* Terminate callstack */
 
     lea g_GDTR(%rip), %rdi
     call MdGdtLoad
+    call KiKernelEntry
 
     mfence      /* Flush caches */
 1:  cli         /* Disable interrupts */

paw/stos/init/init.c

@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2026, Chloe M.
+ * Provided under the BSD-3 clause.
+ *
+ * Description:  Where your machine gets turned on~
+ * Author:       Chloe M.
+ */
+
+#include <stdef.h>
+
+VOID
+KiKernelEntry(VOID)
+{
+}

paw/stos/ke/Makefile

@@ -0,0 +1,31 @@
+#
+# Copyright (c) 2026, Chloe M.
+# Provided under the BSD-3 clause
+#
+# Description:  OS core build script
+# Author:		Chloe M.
+#
+
+.SILENT:
+include ../../mk/stos.mk
+
+CFILES = $(shell find ../init -name "*.c")
+DFILES = $(CFILES:.c=.d)
+OFILES = $(CFILES:.c=.o)
+
+CFLAGS =			\
+	$(SYS_CFLAGS)	\
+	-MMD			\
+	-D_KERNEL		\
+	-MMD			\
+	-DPRINTF_DISABLE_SUPPORT_PTRDIFF_T \
+	-DPRINTF_DISABLE_SUPPORT_FLOAT	   \
+	-I../head						   \
+	-I$(ST_PROJECT_ROOT)/sdk/head
+
+.PHONY: all
+all: $(OFILES)
+
+%.o: %.c
+	$(PROMPT) "CC" $<
+	$(SYS_CC) -c $(CFLAGS) $< -o $@