sandbox: Allow reading/writing of RAM buffer

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

diff --git a/include/os.h b/include/os.h
index 1575a969222f6ad2146b1b6ce2dc727c36663e04..b65fba430144d2587c068756fd8bfbd001799354 100644 (file)
--- a/include/os.h
+++ b/include/os.h
@@ -209,4 +209,40 @@ const char *os_dirent_get_typename(enum os_dirent_t type);
  */
 ssize_t os_get_filesize(const char *fname);
 
+/**
+ * Write a character to the controlling OS terminal
+ *
+ * This bypasses the U-Boot console support and writes directly to the OS
+ * stdout file descriptor.
+ *
+ * @param ch   Character to write
+ */
+void os_putc(int ch);
+
+/**
+ * Write a string to the controlling OS terminal
+ *
+ * This bypasses the U-Boot console support and writes directly to the OS
+ * stdout file descriptor.
+ *
+ * @param str  String to write (note that \n is not appended)
+ */
+void os_puts(const char *str);
+
+/**
+ * Write the sandbox RAM buffer to a existing file
+ *
+ * @param fname                Filename to write memory to (simple binary format)
+ * @return 0 if OK, -ve on error
+ */
+int os_write_ram_buf(const char *fname);
+
+/**
+ * Read the sandbox RAM buffer from an existing file
+ *
+ * @param fname                Filename containing memory (simple binary format)
+ * @return 0 if OK, -ve on error
+ */
+int os_read_ram_buf(const char *fname);
+
 #endif