Beginning of a VFS implemented. C++ is great.

3 files changed, 66 insertions, 5 deletions

diff --git a/src/common/include/string.h b/src/common/include/string.h
index e6aa86e..19e87c1 100644
--- a/src/common/include/string.h
+++ b/src/common/include/string.h
@@ -10,7 +10,7 @@ extern "C" {
 
 int strlen(const char *str);
 char *strcpy(char *dest, const char *src);
-// char *strdup(const char *src); // uses malloc, that's bad
+char *strdup(const char *src); // uses malloc, that's bad
 char *strchr(const char *str, char c);
 char *strcat(char *dest, const char *src);
 int strcmp(const char *s1, const char *s2);
diff --git a/src/common/include/tce/syscalls.h b/src/common/include/tce/syscalls.h
index 3b5b68f..6c67523 100644
--- a/src/common/include/tce/syscalls.h
+++ b/src/common/include/tce/syscalls.h
@@ -9,11 +9,30 @@
 #define SC_THREAD_NEW 6
 #define SC_IRQ_WAIT 7
 #define SC_PROC_PRIV 8
-#define SC_SBRK 9
-#define SC_BRK 10
 
+#define SC_SBRK 10
+#define SC_BRK 11
 // NOT YET IMPLEMENTED
-#define SC_MMAP 11
-#define SC_MUNMAP 12
+#define SC_MMAP 12
+#define SC_MUNMAP 13
+
+#define SC_OPEN 20
+#define SC_OPEN_RELATIVE 21
+#define SC_STAT 22
+#define SC_STAT_RELATIVE 23
+#define SC_STATF 24
+#define SC_CLOSE 25
+#define SC_READ 26
+#define SC_WRITE 27
+#define SC_LINK 28
+
+
+// ERRORS
+#define E_NOT_IMPLEMENTED	-1
+#define E_NOT_FOUND			-2
+#define E_INVALID_FD		-3
+#define E_TOO_SHORT			-4		// not enough space for data to be copied to
+#define E_INVALID_RANGE		-5
+#define E_INVALID			-6		// anything went wrong - invalid parameter, usually
 
 #endif
diff --git a/src/common/include/tce/vfs.h b/src/common/include/tce/vfs.h
new file mode 100644
index 0000000..20ea03b
--- /dev/null
+++ b/src/common/include/tce/vfs.h
@@ -0,0 +1,42 @@
+#ifndef DEF_TCE_VFS_H
+#define DEF_TCE_VFS_H
+
+#include <types.h>
+
+typedef size_t FILE;
+
+typedef struct _file_info {
+	uint32_t type;
+	uint32_t dev_type;
+	uint32_t mode;
+	uint32_t uid, gid;
+	size_t size;
+} file_info;
+
+// file open flags
+#define FM_READ		0x00000001
+#define FM_WRITE	0x00000002
+#define FM_APPEND	0x00000004
+#define FM_TRUNC	0x00000008
+#define FM_CREATE	0x00000010
+#define FM_DELETE	0x00000020
+
+// link modes
+#define LM_SYMLINK		1
+#define LM_HARDLINK		2
+#define LM_MOUNT		3
+#define LM_OUTPUT_TO	4
+
+// file type flags
+#define FT_FILE		0x00000001
+#define FT_DIR		0x00000002
+#define FT_SYMLINK	0x00000004
+#define FT_DEV		0x00000008
+#define FT_TERMINAL	0x00000010
+
+// device types
+#define DT_BLOCK		1
+#define DT_KEYBOARD		2
+#define DT_DISPLAY		3
+
+#endif