sandbox: Add function os_flush()
It flushes stdout.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c
index f937991..01845e3 100644
--- a/arch/sandbox/cpu/os.c
+++ b/arch/sandbox/cpu/os.c
@@ -669,6 +669,11 @@
os_putc(*str++);
}
+void os_flush(void)
+{
+ fflush(stdout);
+}
+
int os_write_ram_buf(const char *fname)
{
struct sandbox_state *state = state_get_current();
diff --git a/include/os.h b/include/os.h
index 1481787..5b353ae 100644
--- a/include/os.h
+++ b/include/os.h
@@ -296,6 +296,14 @@
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)