sandbox: Add a simple sound driver

[karo-tx-uboot.git] / include / os.h

diff --git a/include/os.h b/include/os.h
index b65fba430144d2587c068756fd8bfbd001799354..9b5da5c43d5845fe40af9edd6d637e08aaaff91f 100644 (file)
--- a/include/os.h
+++ b/include/os.h
@@ -83,6 +83,14 @@ int os_open(const char *pathname, int flags);
  */
 int os_close(int fd);
 
+/**
+ * Access to the OS unlink() system call
+ *
+ * \param pathname Path of file to delete
+ * \return 0 for success, other for error
+ */
+int os_unlink(const char *pathname);
+
 /**
  * Access to the OS exit() system call
  *
@@ -113,7 +121,7 @@ void *os_malloc(size_t length);
  *
  * \param ptr          Pointer to memory block to free
  */
-void *os_free(void *ptr);
+void os_free(void *ptr);
 
 /**
  * Reallocate previously-allocated memory to increase/decrease space
@@ -245,4 +253,23 @@ int os_write_ram_buf(const char *fname);
  */
 int os_read_ram_buf(const char *fname);
 
+/**
+ * Jump to a new executable image
+ *
+ * This uses exec() to run a new executable image, after putting it in a
+ * temporary file. The same arguments and environment are passed to this
+ * new image, with the addition of:
+ *
+ *     -j <filename>   Specifies the filename the image was written to. The
+ *                     calling image may want to delete this at some point.
+ *     -m <filename>   Specifies the file containing the sandbox memory
+ *                     (ram_buf) from this image, so that the new image can
+ *                     have access to this. It also means that the original
+ *                     memory filename passed to U-Boot will be left intact.
+ *
+ * @param dest         Buffer containing executable image
+ * @param size         Size of buffer
+ */
+int os_jump_to_image(const void *dest, int size);
+
 #endif