Changes between Version 8 and Version 9 of library_stdio

Timestamp:

Aug 6, 2014, 11:41:15 PM (11 years ago)

Author:

alain

Comment:

--

library_stdio

@@ -66 +66 @@
 The Giet-VM supports a FAT32 file system.
 
+ === int giet_fat_open( const char* pathname, unsigned int flags ) ===
+Open a file identified by the ''pathname'' argument. The read/write ''flags''  are not supported yet: no effect.
+Return -1 in case or error.
+
+ === void giet_fat_read( unsigned int fd, void* buffer, unsigned int count, unsigned int offset ) ===
+Read ''count'' sectors from a file identified by the ''fd'' argument, skipping ''offset'' sectors in file, and writing into the user memory ''buffer''. The user buffer base address should be 64 bytes aligned.
+In case or error, it makes a giet_exit().
+
+ === void giet_fat_write( unsigned int fd, void* buffer, unsigned int count, unsigned int offset ) ===
+Write ''count'' sectors into a file identified by the ''fd'' argument, skipping ''offset'' sectors in file, and reading from the user memory ''buffer''. The user buffer base address should be 64 bytes aligned.
+In case or error, it makes a giet_exit().
+
+ === void giet_fat_close( unsigned int fd ) ===
+Close a file identified by the ''fd'' file descriptor.
+
+
  == __5) Network related system calls__ ==