system calls

src/sys/syscalls/Makefile

@@ -0,0 +1,12 @@
+objects := $(patsubst %.c,%.o,$(wildcard *.c))
+subdirs :=
+OBJPATH=$(OBJDIR)
+export
+
+all: $(subdirs) $(objects)
+	for subdir in $(subdirs) ; do $(MAKE) -C $${subdir} ; done
+
+%.o: %.c
+	$(CC) $(CFLAGS) -o $@ $<
+	mkdir -p $(OBJPATH) 
+	cp $@ $(OBJPATH)/$@

src/sys/syscalls/libclog.c

@@ -0,0 +1,29 @@
+#include <kernel/syscalls.h>
+#include <kernel/alloc.h>
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+
+syscallret syscall_libc_log(char* str){
+	
+	syscallret ret;
+
+	char* buf = alloc(strlen(str) + 1);
+	if(!buf){
+		ret.errno = ENOMEM;
+		ret.ret = -1;
+		return ret;
+	}
+
+	strcpy(buf, str);
+
+	printf("%s", str);
+
+	ret.errno = 0;
+	ret.ret = 0;
+
+	free(buf);
+
+	return ret;
+	
+}