better utils, cleanup, clearer example

Author: hitodama

kern/print/Makefile kern/file_hello_world/Makefilekern/print/Makefile renamed to kern/file_hello_world/Makefile

@@ -11,6 +11,5 @@ endif
 endif
 
 target ?= ps4_elf
-Cf := -Wno-zero-length-array #sysproto.h
 
 include $(Ps4Sdk)/make/ps4sdk.mk

kern/file_hello_world/source/main.c

@@ -0,0 +1,33 @@
+#define _XOPEN_SOURCE 700
+#define __BSD_VISIBLE 1
+#define _KERNEL
+#define _STANDALONE
+#define _WANT_UCRED
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <sys/limits.h>
+#include <sys/param.h>
+#include <sys/kernel.h>
+//#include <sys/libkern.h>
+#include <sys/systm.h>
+
+#include <sys/sysproto.h>
+//#include <sys/unistd.h>
+#include <sys/syscallsubr.h>
+
+#include <ps4/kern.h>
+
+#define	STDIN_FILENO 0
+
+int main(int argc, char **argv)
+{
+	// send this elf to 5054, to see a print to stdout
+	// send this elf to 5055, you will see nothing because the kernel stdout is not (yet?) redirected
+	struct thread *td;
+	int r;
+
+	td = ps4KernThreadCurrent();
+	r = ps4KernUtilFilePrint(td, STDIN_FILENO, "Hello world from your ps4 kernel, ps4sdk and hito <3\n{main:%p, argc:%i, argv[0]:%s}\n", main, argc, argv[0]);
+
+	return r;
+}

kern/print/source/main.c

@@ -11,6 +11,5 @@ endif
 endif
 
 target ?= ps4_elf
-Cf := -Wno-zero-length-array #sysproto.h
 
 include $(Ps4Sdk)/make/ps4sdk.mk

kern/server/Makefile kern/server_hello_world/Makefilekern/server/Makefile renamed to kern/server_hello_world/Makefile

@@ -11,19 +11,21 @@
 #include <sys/systm.h>
 #include <sys/syscallsubr.h>
 
-#undef offsetof
-#include <ps4/kernel.h>
 #include <ps4/kern.h>
 
 #define SERVER_PORT 5057
-#define SERVER_BACKLOG 10
 
 int main(int argc, char **argv)
 {
 	// send this elf to 5054, connect, see connection get closed
 	// send this elf to 5055, close browser, connect, see connection get closed ^^
-	struct thread *td = ps4KernThreadCurrent();
-	int client = ps4KernUtilServerCreateSingleAccept(td, SERVER_PORT); //other versions exits
-	kern_close(td, client);
+	struct thread *td;
+	int client;
+
+	td = ps4KernThreadCurrent();
+	client = ps4KernUtilServerCreateSingleAccept(td, SERVER_PORT);
+	ps4KernUtilSocketPrint(td, client, "Hello world from your ps4 kernel, ps4sdk and hito <3\n{main:%p, argc:%i, argv[0]:%s}\n", main, argc, argv[0]);
+	ps4KernUtilSocketClose(td, client);
+
 	return 0;
 }