Convert CONFIG_SYS_INTERLAKEN et al to Kconfig

[platform/kernel/u-boot.git] / include / os.h

diff --git a/include/os.h b/include/os.h
index 77d8bd8..0415f0f 100644 (file)
--- a/include/os.h
+++ b/include/os.h
@@ -17,6 +17,13 @@ struct rtc_time;
 struct sandbox_state;
 
 /**
+ * os_printf() - print directly to OS console
+ *
+ * @format: format string
+ */
+int os_printf(const char *format, ...);
+
+/**
  * Access to the OS read() system call
  *
  * @fd:                File descriptor as returned by os_open()
@@ -52,6 +59,14 @@ off_t os_lseek(int fd, off_t offset, int whence);
 #define OS_SEEK_END    2
 
 /**
+ * os_filesize() - Calculate the size of a file
+ *
+ * @fd:                File descriptor as returned by os_open()
+ * Return:     file size or negative error code
+ */
+int os_filesize(int fd);
+
+/**
  * Access to the OS open() system call
  *
  * @pathname:  Pathname of file to open
@@ -94,6 +109,27 @@ int os_unlink(const char *pathname);
 void os_exit(int exit_code) __attribute__((noreturn));
 
 /**
+ * os_alarm() - access to the OS alarm() system call
+ *
+ * @seconds: number of seconds before the signal is sent
+ * Returns: number of seconds remaining until any previously scheduled alarm was
+ * due to be delivered; 0 if there was no previously scheduled alarm
+ */
+unsigned int os_alarm(unsigned int seconds);
+
+/**
+ * os_set_alarm_handler() - set handler for SIGALRM
+ *
+ * @handler:   The handler function. Pass NULL for SIG_DFL.
+ */
+void os_set_alarm_handler(void (*handler)(int));
+
+/**
+ * os_raise_sigalrm() - do raise(SIGALRM)
+ */
+void os_raise_sigalrm(void);
+
+/**
  * os_tty_raw() - put tty into raw mode to mimic serial console better
  *
  * @fd:                File descriptor of stdin (normally 0)
@@ -134,7 +170,9 @@ void os_free(void *ptr);
  * This follows the semantics of realloc(), so can perform an os_malloc() or
  * os_free() depending on @ptr and @length.
  *
- * Return:     Pointer to reallocated memory or NULL if @length is 0
+ * @ptr:       pointer to previously allocated memory of NULL
+ * @length:    number of bytes to allocate
+ * Return:     pointer to reallocated memory or NULL if @length is 0
  */
 void *os_realloc(void *ptr, size_t length);
 
@@ -256,7 +294,7 @@ const char *os_dirent_get_typename(enum os_dirent_t type);
  * @size:      size of file is returned if no error
  * Return:     0 on success or -1 if an error ocurred
  */
-int os_get_filesize(const char *fname, loff_t *size);
+int os_get_filesize(const char *fname, long long *size);
 
 /**
  * os_putc() - write a character to the controlling OS terminal
@@ -279,6 +317,14 @@ void os_putc(int ch);
 void os_puts(const char *str);
 
 /**
+ * os_flush() - flush controlling OS terminal
+ *
+ * This bypasses the U-Boot console support and flushes directly the OS
+ * stdout file descriptor.
+ */
+void os_flush(void);
+
+/**
  * os_write_ram_buf() - write the sandbox RAM buffer to a existing file
  *
  * @fname:     filename to write memory to (simple binary format)
@@ -325,9 +371,12 @@ int os_jump_to_image(const void *dest, int size);
  * @fname:     place to put full path to U-Boot
  * @maxlen:    maximum size of @fname
  * @use_img:   select the 'u-boot.img' file instead of the 'u-boot' ELF file
+ * @cur_prefix:        prefix of current executable, e.g. "spl" or "tpl"
+ * @next_prefix: prefix of executable to find, e.g. "spl" or ""
  * Return:     0 if OK, -NOSPC if the filename is too large, -ENOENT if not found
  */
-int os_find_u_boot(char *fname, int maxlen, bool use_img);
+int os_find_u_boot(char *fname, int maxlen, bool use_img,
+                  const char *cur_prefix, const char *next_prefix);
 
 /**
  * os_spl_to_uboot() - Run U-Boot proper
@@ -393,6 +442,28 @@ int os_write_file(const char *name, const void *buf, int size);
  */
 int os_read_file(const char *name, void **bufp, int *sizep);
 
+/**
+ * os_map_file() - Map a file from the host filesystem into memory
+ *
+ * This can be useful when to provide a backing store for an emulated device
+ *
+ * @pathname:  File pathname to map
+ * @os_flags:  Flags, like OS_O_RDONLY, OS_O_RDWR
+ * @bufp:      Returns buffer containing the file
+ * @sizep:     Returns size of data
+ * Return:     0 if OK, -ve on error
+ */
+int os_map_file(const char *pathname, int os_flags, void **bufp, int *sizep);
+
+/**
+ * os_unmap() - Unmap a file previously mapped
+ *
+ * @buf: Mapped address
+ * @size: Size in bytes
+ * Return:     0 if OK, -ve on error
+ */
+int os_unmap(void *buf, int size);
+
 /*
  * os_find_text_base() - Find the text section in this running process
  *