Convert kernel library asm s to c

ee/kernel/Makefile

@@ -235,7 +235,7 @@ include $(PS2SDKSRC)/ee/Rules.lib.make
 include $(PS2SDKSRC)/ee/Rules.make
 include $(PS2SDKSRC)/ee/Rules.release
 
-$(KERNEL_OBJS:%=$(EE_OBJS_DIR)%): $(EE_SRC_DIR)kernel.S
+$(KERNEL_OBJS:%=$(EE_OBJS_DIR)%): $(EE_SRC_DIR)kernel.c
 	$(DIR_GUARD)
 	$(EE_C_COMPILE) -DF_$(*:$(EE_OBJS_DIR)%=%) $< -c -o $@
 
@@ -331,7 +331,7 @@ $(EE_OBJS_DIR)osdsrc_bin.o: $(EE_OBJS_DIR)osdsrc_bin.c
 	$(DIR_GUARD)
 	$(EE_C_COMPILE) -I$(PS2SDKSRC)/ee/rpc/cdvd/include $< -c -o $@
 
-$(EE_OBJS_DIR)libosd_syscalls.o: $(EE_SRC_DIR)libosd_syscalls.S
+$(EE_OBJS_DIR)libosd_syscalls.o: $(EE_SRC_DIR)libosd_syscalls.c
 	$(DIR_GUARD)
 	$(EE_C_COMPILE) -I$(PS2SDKSRC)/ee/rpc/cdvd/include $< -c -o $@
 

ee/kernel/src/eenull/src/eenull.c

@@ -0,0 +1,30 @@
+/*
+# _____     ___ ____     ___ ____
+#  ____|   |    ____|   |        | |____|
+# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
+#-----------------------------------------------------------------------
+# Licenced under Academic Free License version 2.0
+# Review ps2sdk README & LICENSE files for further details.
+*/
+
+// Will be executed in user mode, but with interrupts disabled.
+// Set stack address to 0x00081fc0. This is meant to be the replacement for the built-in dispatcher,
+// which also shares the same stack.
+
+__asm__
+(
+	"\t" ".set push" "\n"
+	"\t" ".set noreorder" "\n"
+
+	"\t" ".globl UModeCallbackDispatcher" "\n"
+	"\t" ".ent UModeCallbackDispatcher" "\n"
+	"\t" "UModeCallbackDispatcher:" "\n"
+	"\t" "\t" "lui $sp, 0x0008" "\n"
+	"\t" "\t" "jalr $v1" "\n"
+	"\t" "\t" "addiu $sp, $sp, 0x1fc0" "\n"
+	"\t" "\t" "addiu $v1, $zero, -8" "\n"
+	"\t" "\t" "syscall" "\n"
+	"\t" ".end UModeCallbackDispatcher" "\n"
+
+	"\t" ".set pop" "\n"
+);