X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;ds=sidebyside;f=include%2Fos.h;h=7a4f78b9b1fa7919e4a37940831ee976be323e89;hb=cc1e98b559e46630c3421a7762d02a58e5480926;hp=5c797212c25de1bb7450faaf7f8e217d932bf2a9;hpb=3fcb7147584f8cf5128e1c5eb6b7e49dd86a5473;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/os.h b/include/os.h
index 5c79721..7a4f78b 100644
--- a/include/os.h
+++ b/include/os.h
@@ -27,16 +27,6 @@ struct sandbox_state;
 ssize_t os_read(int fd, void *buf, size_t count);
 
 /**
- * Access to the OS read() system call with non-blocking access
- *
- * \param fd	File descriptor as returned by os_open()
- * \param buf	Buffer to place data
- * \param count	Number of bytes to read
- * \return number of bytes read, or -1 on error
- */
-ssize_t os_read_no_block(int fd, void *buf, size_t count);
-
-/**
  * Access to the OS write() system call
  *
  * \param fd	File descriptor as returned by os_open()
@@ -75,6 +65,7 @@ int os_open(const char *pathname, int flags);
 #define OS_O_RDWR	2
 #define OS_O_MASK	3	/* Mask for read/write flags */
 #define OS_O_CREAT	0100
+#define OS_O_TRUNC	01000
 
 /**
  * Access to the OS close() system call
@@ -334,4 +325,54 @@ void os_localtime(struct rtc_time *rt);
  * os_abort() - Raise SIGABRT to exit sandbox (e.g. to debugger)
  */
 void os_abort(void);
+
+/**
+ * os_mprotect_allow() - Remove write-protection on a region of memory
+ *
+ * The start and length will be page-aligned before use.
+ *
+ * @start:	Region start
+ * @len:	Region length in bytes
+ * @return 0 if OK, -1 on error from mprotect()
+ */
+int os_mprotect_allow(void *start, size_t len);
+
+/**
+ * os_write_file() - Write a file to the host filesystem
+ *
+ * This can be useful when debugging for writing data out of sandbox for
+ * inspection by external tools.
+ *
+ * @name:	File path to write to
+ * @buf:	Data to write
+ * @size:	Size of data to write
+ * @return 0 if OK, -ve on error
+ */
+int os_write_file(const char *name, const void *buf, int size);
+
+/**
+ * os_read_file() - Read a file from the host filesystem
+ *
+ * This can be useful when reading test data into sandbox for use by test
+ * routines. The data is allocated using os_malloc() and should be freed by
+ * the caller.
+ *
+ * @name:	File path to read from
+ * @bufp:	Returns buffer containing data read
+ * @sizep:	Returns size of data
+ * @return 0 if OK, -ve on error
+ */
+int os_read_file(const char *name, void **bufp, int *sizep);
+
+/*
+ * os_find_text_base() - Find the text section in this running process
+ *
+ * This tries to find the address of the text section in this running process.
+ * It can be useful to map the address of functions to the address listed in
+ * the u-boot.map file.
+ *
+ * @return address if found, else NULL
+ */
+void *os_find_text_base(void);
+
 #endif