Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 43 insertions, 0 deletions

diff --git a/qemu/roms/ipxe/src/include/unistd.h b/qemu/roms/ipxe/src/include/unistd.h
new file mode 100644
index 000000000..3a50a2521
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/unistd.h
@@ -0,0 +1,43 @@
+#ifndef _UNISTD_H
+#define _UNISTD_H
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stddef.h>
+#include <stdarg.h>
+
+extern int execv ( const char *command, char * const argv[] );
+
+/**
+ * Execute command
+ *
+ * @v command		Command name
+ * @v arg ...		Argument list (starting with argv[0])
+ * @ret rc		Command exit status
+ *
+ * This is a front end to execv().
+ */
+#define execl( command, arg, ... ) ( {					\
+		char * const argv[] = { (arg), ## __VA_ARGS__ };	\
+		int rc = execv ( (command), argv );			\
+		rc;							\
+	} )
+
+/* Pick up udelay() */
+#include <ipxe/timer.h>
+
+/*
+ * sleep() prototype is defined by POSIX.1.  usleep() prototype is
+ * defined by 4.3BSD.  udelay() and mdelay() prototypes are chosen to
+ * be reasonably sensible.
+ *
+ */
+
+extern unsigned int sleep ( unsigned int seconds );
+extern void mdelay ( unsigned long msecs );
+
+static inline __always_inline void usleep ( unsigned long usecs ) {
+	udelay ( usecs );
+}
+
+#endif /* _UNISTD_H */