28 files changed, 291 insertions, 12 deletions
diff --git a/src/user/lib/fwik/Makefile b/src/user/lib/fwik/Makefile
new file mode 100644
index 0000000..cf8896a
--- /dev/null
+++ b/src/user/lib/fwik/Makefile
@@ -0,0 +1,11 @@
+Out = _fwik.o
+Obj = String.o io/Node.o io/Term.o io/IOStream.o main.o
+
+ExtObj = $(SrcPath)/user/lib/libc/_libc.o
+
+include $(SrcPath)/common.make
+
+CFLAGS +=  -I$(SrcPath)/include -I$(SrcPath)/user/lib/libc/include -I$(SrcPath)/user/lib/fwik/include
+
+LDFLAGS += -r
+
diff --git a/src/user/lib/fwik/String.cpp b/src/user/lib/fwik/String.cpp
new file mode 100644
index 0000000..75114c2
--- /dev/null
+++ b/src/user/lib/fwik/String.cpp
@@ -0,0 +1 @@
+#include <String.h>
diff --git a/src/user/lib/fwik/include/IO/IOStream.h b/src/user/lib/fwik/include/IO/IOStream.h
new file mode 100644
index 0000000..e9ae246
--- /dev/null
+++ b/src/user/lib/fwik/include/IO/IOStream.h
@@ -0,0 +1,33 @@
+#ifndef DEF_FWIK_IO_IOSTREAM_H
+#define DEF_FWIK_IO_IOSTREAM_H
+
+#include "Term.h"
+
+class IOStream {
+	public:
+	Term *term;
+
+	IOStream() : term(0) {}
+	IOStream(Term *t) : term(t) {}
+
+	void print(char* str);
+	void printf(char* fmt, ...);
+	char* readln();
+
+	IOStream &operator<<(char* s) {
+		print(s);
+		return *this;
+	}
+	IOStream &operator<<(int i) {
+		printf("%d", i);
+		return *this;
+	}
+	IOStream &operator<<(void* p) {
+		printf("%p", p);
+		return *this;
+	}
+};
+
+extern IOStream stdio;
+
+#endif
diff --git a/src/user/lib/fwik/include/IO/Node.h b/src/user/lib/fwik/include/IO/Node.h
new file mode 100644
index 0000000..6100fc9
--- /dev/null
+++ b/src/user/lib/fwik/include/IO/Node.h
@@ -0,0 +1,25 @@
+#ifndef DEF_FWIK_IO_NODE_H
+#define DEF_FWIK_IO_NODE_H
+
+#include <tce/syscall.h>
+#include <tce/vfs.h>
+#include <stdio.h>
+#include <cpp.h>
+
+class Term;
+class Node {
+	public:
+	FILE fd;
+	file_info info;
+	bool valid;
+
+	Node(FILE f);
+	Node(char* filename, int mode);
+	virtual ~Node() {}
+
+	void close();
+
+	virtual Term* as_term() { return 0; }
+};
+
+#endif
diff --git a/src/user/lib/fwik/include/IO/Term.h b/src/user/lib/fwik/include/IO/Term.h
new file mode 100644
index 0000000..cf90789
--- /dev/null
+++ b/src/user/lib/fwik/include/IO/Term.h
@@ -0,0 +1,32 @@
+#ifndef DEF_FWIK_IO_TERM_H
+#define DEF_FWIK_IO_TERM_H
+
+#include <stdio.h>
+#include "Node.h"
+
+#include <readline.h>
+
+class Term : public Node {
+	int w, h;
+
+	readline_history hist;
+	
+	void _init();
+
+	public:
+	Term(FILE f);
+	Term(char* filename, int mode);
+	Term(const Node &n);
+	virtual ~Term();
+
+	virtual void print(char *s);
+	virtual void printf(char* fmt, ...);
+	virtual void vprintf(char* fmt, va_list ap);
+	virtual char* readln();
+	char* readline();
+
+	virtual Term* as_term() { return this; }
+};
+
+#endif
+
diff --git a/src/user/lib/fwik/include/String.h b/src/user/lib/fwik/include/String.h
new file mode 100644
index 0000000..2a44046
--- /dev/null
+++ b/src/user/lib/fwik/include/String.h
@@ -0,0 +1,5 @@
+#ifndef DEF_FWIK_STRING_H
+#define DEF_FWIK_STRING_H
+
+
+#endif
diff --git a/src/user/lib/fwik/include/cpp.h b/src/user/lib/fwik/include/cpp.h
new file mode 100644
index 0000000..5b66ba1
--- /dev/null
+++ b/src/user/lib/fwik/include/cpp.h
@@ -0,0 +1,16 @@
+#ifndef DEF_FWIK_CPPSUPPORT_H
+#define DEF_FWIK_CPPSUPPORT_H
+
+#include <stdlib.h>
+
+inline void* operator new(size_t, void* p)   throw() { return p; }
+inline void* operator new[](size_t, void* p) throw() { return p; }
+inline void  operator delete  (void*, void*) throw() { };
+inline void  operator delete[](void*, void*) throw() { };
+
+inline void* operator new (size_t size) { return malloc(size); }
+inline void* operator new[] (size_t size) { return malloc(size); }
+inline void operator delete (void* ptr) { return free(ptr); }
+inline void operator delete[] (void* ptr) { return free(ptr); }
+
+#endif
diff --git a/src/user/lib/fwik/io/IOStream.cpp b/src/user/lib/fwik/io/IOStream.cpp
new file mode 100644
index 0000000..bcaa581
--- /dev/null
+++ b/src/user/lib/fwik/io/IOStream.cpp
@@ -0,0 +1,19 @@
+#include <IO/IOStream.h>
+
+void IOStream::print(char* str) {
+	if (term == 0) return;
+	term->print(str);
+}
+
+void IOStream::printf(char* fmt, ...) {
+	if (term == 0) return;
+	va_list ap;
+	va_start(ap, fmt);
+	term->vprintf(fmt, ap);
+	va_end(ap);
+}
+
+char* IOStream::readln() {
+	if (term == 0) return 0;
+	return term->readln();
+}
diff --git a/src/user/lib/fwik/io/Node.cpp b/src/user/lib/fwik/io/Node.cpp
new file mode 100644
index 0000000..1d8b7f5
--- /dev/null
+++ b/src/user/lib/fwik/io/Node.cpp
@@ -0,0 +1,23 @@
+#include <IO/Node.h>
+
+Node::Node(FILE f) {
+	fd = f;
+	int i = libc::statf(f, &info);
+	valid = (i == 0);
+}
+
+Node::Node(char* filename, int mode) {
+	fd = libc::open(filename, mode);
+	if (fd < 0) {
+		valid = false;
+	} else {
+		int i = libc::statf(fd, &info);
+		valid = (i == 0);
+		if (!valid) libc::close(fd);
+	}
+}
+
+void Node::close() {
+	if (valid) libc::close(fd);
+	valid = false;
+}
diff --git a/src/user/lib/fwik/io/Term.cpp b/src/user/lib/fwik/io/Term.cpp
new file mode 100644
index 0000000..1c6db66
--- /dev/null
+++ b/src/user/lib/fwik/io/Term.cpp
@@ -0,0 +1,51 @@
+#include <IO/Term.h>
+
+Term::Term(const Node &n) : Node(n) {
+	_init();
+}
+
+Term::Term(FILE f) : Node(f) {
+	_init();
+}
+
+Term::Term(char* filename, int mode) : Node(filename, mode) {
+	_init();
+}
+
+void Term::_init() {
+	if (info.type & FT_TERMINAL) {
+		w = info.size >> 16;
+		h = info.size & 0xFFFF;
+	} else {
+		valid = false;
+	}
+	hist.str = 0;
+	hist.max = 12;
+}
+
+Term::~Term() {
+	//TODO : free readline history
+}
+
+void Term::print(char *s) {
+	libc::fprint(fd, s);
+}
+
+void Term::printf(char* fmt, ...) {
+	va_list ap;
+	va_start(ap, fmt);
+	libc::vfprintf(fd, fmt, ap);
+	va_end(ap);
+}
+
+void Term::vprintf(char* fmt, va_list ap) {
+	libc::vfprintf(fd, fmt, ap);
+}
+
+char* Term::readln() {
+	return libc::freadln(fd);
+}
+
+char *Term::readline() {
+	return libc::freadline(fd, &hist);
+}
diff --git a/src/user/lib/fwik/main.cpp b/src/user/lib/fwik/main.cpp
new file mode 100644
index 0000000..8e2e289
--- /dev/null
+++ b/src/user/lib/fwik/main.cpp
@@ -0,0 +1,30 @@
+#include <IO/IOStream.h>
+#include <stdio.h>
+#include <cpp.h>
+
+IOStream stdio;
+
+int Main(char **args);	// FWIK app main
+
+extern "C" int main(char **args) {
+	stdio.term = 0;
+
+	Node zero(libc::term);
+	if (zero.info.type & FT_TERMINAL) {
+		stdio.term = new Term(zero);
+	}
+	Main(args);
+}
+
+
+// C++ support
+
+//Enables pure virtual functions
+extern "C" void __cxa_pure_virtual() {
+	//do nothing
+}
+//Enables global objects
+void *__dso_handle;
+extern "C" int __cxa_atexit(void (*f)(void*), void *p, void *d) { return 0; }
+
+
diff --git a/src/user/lib/Makefile b/src/user/lib/libc/Makefile
index c2630c4..14a5421 100644
--- a/src/user/lib/Makefile
+++ b/src/user/lib/libc/Makefile
@@ -1,11 +1,11 @@
-Out = _user.o
+Out = _libc.o
 Obj = tce/syscall.o std/_dlmalloc.o \
 	  std/stdio.o std/stdlib.o std/string.o std/sched.o std/readline.o \
 	  start.o
 
 include $(SrcPath)/common.make
 
-CFLAGS +=  -I$(SrcPath)/include -I$(SrcPath)/user/lib/include
+CFLAGS +=  -I$(SrcPath)/include -I$(SrcPath)/user/lib/libc/include -Wno-error=unused-variable
 
 LDFLAGS += -r
 
diff --git a/src/user/lib/include/_dlmalloc.h b/src/user/lib/libc/include/_dlmalloc.h
index d896e22..d896e22 100644
--- a/src/user/lib/include/_dlmalloc.h
+++ b/src/user/lib/libc/include/_dlmalloc.h
diff --git a/src/user/lib/include/readline.h b/src/user/lib/libc/include/readline.h
index 53193d7..910ad9a 100644
--- a/src/user/lib/include/readline.h
+++ b/src/user/lib/libc/include/readline.h
@@ -3,14 +3,21 @@
 
 #include <stdio.h>
 
-char* freadln(FILE f);		// minimal line-reading function. user must free the returned value.
 
 typedef struct _rdln_hist {
 	int max;
 	int n;
 	char **str;
 } readline_history;
-char* readline(FILE f, readline_history *h);
+
+#ifdef __cplusplus
+extern "C" { namespace libc {
+#endif
+char* freadln(FILE f);		// minimal line-reading function. user must free the returned value.
+char* freadline(FILE f, readline_history *h);
+#ifdef __cplusplus
+} }
+#endif
 
 #endif
 
diff --git a/src/user/lib/include/sched.h b/src/user/lib/libc/include/sched.h
index 1fe148d..451a114 100644
--- a/src/user/lib/include/sched.h
+++ b/src/user/lib/libc/include/sched.h
@@ -10,7 +10,7 @@
 typedef uint32_t mutex_t;
 
 #ifdef __cplusplus
-extern "C" {
+extern "C" { namespace libc {
 #endif
 
 int mutex_lock(mutex_t* mutex);	//wait for mutex to be free
@@ -18,7 +18,7 @@ int mutex_lockE(mutex_t* mutex);	//lock mutex only if free, returns !0 if locked
 void mutex_unlock(mutex_t* mutex);
 
 #ifdef __cplusplus
-}
+} }
 #endif
 
 #endif
diff --git a/src/user/lib/include/stdarg.h b/src/user/lib/libc/include/stdarg.h
index 5cd74ff..5cd74ff 100644
--- a/src/user/lib/include/stdarg.h
+++ b/src/user/lib/libc/include/stdarg.h
diff --git a/src/user/lib/include/stdio.h b/src/user/lib/libc/include/stdio.h
index 099746e..d93ebf0 100644
--- a/src/user/lib/include/stdio.h
+++ b/src/user/lib/libc/include/stdio.h
@@ -4,6 +4,10 @@
 #include <stdarg.h>
 #include <tce/syscall.h>
 
+#ifdef __cplusplus
+extern "C" { namespace libc {
+#endif
+
 extern FILE term;
 
 void print(char *s);
@@ -17,5 +21,9 @@ void fprintf(FILE f, char *s, ...);
 
 void vfprintf(FILE f, char *s, va_list arg);
 
+#ifdef __cplusplus
+} }
+#endif
+
 
 #endif
diff --git a/src/user/lib/include/stdlib.h b/src/user/lib/libc/include/stdlib.h
index 594f5c5..1cc5d16 100644
--- a/src/user/lib/include/stdlib.h
+++ b/src/user/lib/libc/include/stdlib.h
@@ -4,8 +4,15 @@
 #include <types.h>
 #include <tce/syscall.h>
 
+#ifdef __cplusplus
+extern "C" { namespace libc {
+#endif
+
 void abort();
 extern volatile int errno;
+#ifdef __cplusplus
+} }
+#endif
 
 #include <_dlmalloc.h>
 
diff --git a/src/user/lib/include/string.h b/src/user/lib/libc/include/string.h
index 87d8da2..fbe3ade 100644
--- a/src/user/lib/include/string.h
+++ b/src/user/lib/libc/include/string.h
@@ -4,7 +4,7 @@
 #include <types.h>
 
 #ifdef __cplusplus
-extern "C" {
+extern "C" { namespace libc {
 #endif
 
 void *memcpy(void *dest, const void *src, int count);
@@ -19,7 +19,7 @@ char *strcat(char *dest, const char *src);
 int strcmp(const char *s1, const char *s2);
 
 #ifdef __cplusplus
-}
+} }
 #endif
 
 
diff --git a/src/user/lib/include/tce/syscall.h b/src/user/lib/libc/include/tce/syscall.h
index c182f40..6ad37f1 100644
--- a/src/user/lib/include/tce/syscall.h
+++ b/src/user/lib/libc/include/tce/syscall.h
@@ -7,6 +7,10 @@
 
 #define NEW_STACK_SIZE 0x8000
 
+#ifdef __cplusplus
+extern "C" { namespace libc {
+#endif
+
 void thread_exit();
 void schedule();
 void thread_sleep(int time);
@@ -16,7 +20,7 @@ void thread_new(void (*entry)(void*), void *data);
 void irq_wait(int number);
 int proc_priv();
 
-void* sbrk(size_t size);
+void* sbrk(ptrdiff_t size);
 void brk(void* ptr);
 
 int run(char* file, char** args, FILE zero_fd);
@@ -32,4 +36,8 @@ int read(FILE file, size_t offset, size_t len, char *buffer);
 int write(FILE file, size_t offset, size_t len, char *buffer);
 int link(char* from, char* to, int mode);
 
+#ifdef __cplusplus
+} }
+#endif
+
 #endif
diff --git a/src/user/lib/start.c b/src/user/lib/libc/start.c
index 2521f97..2521f97 100644
--- a/src/user/lib/start.c
+++ b/src/user/lib/libc/start.c
diff --git a/src/user/lib/std/_dlmalloc.c b/src/user/lib/libc/std/_dlmalloc.c
index aae76f8..aae76f8 100644
--- a/src/user/lib/std/_dlmalloc.c
+++ b/src/user/lib/libc/std/_dlmalloc.c
diff --git a/src/user/lib/std/readline.c b/src/user/lib/libc/std/readline.c
index a3beefa..c2237b6 100644
--- a/src/user/lib/std/readline.c
+++ b/src/user/lib/libc/std/readline.c
@@ -38,7 +38,7 @@ char* freadln(FILE f) {
 
 // ** READLINE
 
-char *readline(FILE f, readline_history *h) {
+char *freadline(FILE f, readline_history *h) {
 	int i;
 	fprint(f, "\x1b[h");	// disable keyboard echo
 
diff --git a/src/user/lib/std/sched.c b/src/user/lib/libc/std/sched.c
index 29ea8a8..84e9c3a 100644
--- a/src/user/lib/std/sched.c
+++ b/src/user/lib/libc/std/sched.c
@@ -1,4 +1,5 @@
 #include <sched.h>
+#include <tce/syscall.h>
 
 /*	Internal use only. This function is atomic, meaning it cannot be interrupted by a system task switch. */
 static uint32_t atomic_exchange(uint32_t* ptr, uint32_t newval) {
diff --git a/src/user/lib/std/stdio.c b/src/user/lib/libc/std/stdio.c
index b1778d6..3595622 100644
--- a/src/user/lib/std/stdio.c
+++ b/src/user/lib/libc/std/stdio.c
@@ -1,6 +1,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <tce/syscall.h>
+#include <readline.h>
 
 FILE term = 0;
 void print(char *s) { fprint(term, s); }
diff --git a/src/user/lib/std/stdlib.c b/src/user/lib/libc/std/stdlib.c
index 9d46b5c..9d46b5c 100644
--- a/src/user/lib/std/stdlib.c
+++ b/src/user/lib/libc/std/stdlib.c
diff --git a/src/user/lib/std/string.c b/src/user/lib/libc/std/string.c
index 21dbd03..5a41b7e 100644
--- a/src/user/lib/std/string.c
+++ b/src/user/lib/libc/std/string.c
@@ -1,4 +1,5 @@
 #include <string.h>
+#include <stdlib.h>
 
 int strlen(const char *str) {
 	int i = 0;
diff --git a/src/user/lib/tce/syscall.c b/src/user/lib/libc/tce/syscall.c
index 4304840..80e0e0e 100644
--- a/src/user/lib/tce/syscall.c
+++ b/src/user/lib/libc/tce/syscall.c
@@ -65,12 +65,12 @@ int proc_priv() {
 
 // ******** memory
 
-void* sbrk(size_t s) {
+void* sbrk(ptrdiff_t s) {
 	return (void*)call(SC_SBRK, s, 0, 0, 0, 0);
 }
 
 void brk(void* ptr) {
-	return call (SC_BRK, ptr, 0, 0, 0, 0);
+	call (SC_BRK, (size_t)ptr, 0, 0, 0, 0);
 }
 
 // ********** proc