Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / openbios / utils / ofclient / of1275_io.c

diff --git a/qemu/roms/openbios/utils/ofclient/of1275_io.c b/qemu/roms/openbios/utils/ofclient/of1275_io.c
new file mode 100644 (file)
index 0000000..25d1132
--- /dev/null
+++ b/qemu/roms/openbios/utils/ofclient/of1275_io.c
@@ -0,0 +1,51 @@
+#include "of1275.h"
+
+static int of_write_initialized = 0;
+static int stdout_ihandle = 0;
+static int of_read_initialized = 0;
+static int stdin_ihandle = 0;
+
+int write(int fd, char *buf, int len)
+{
+       int actual;
+
+       if (fd != 1 && fd != 2) {
+               // printk("write: bad id %x\n", fd);
+               exit(1);
+       }
+
+       if (!of_write_initialized) {
+               stdout_ihandle =
+                   of_find_integer_property("/chosen", "stdout");
+               // printk("stdout_ihandle: %x\n",stdout_ihandle);
+               of_write_initialized = 1;
+       }
+
+       of1275_write(stdout_ihandle, buf, len, &actual);
+       return actual;
+}
+
+int read(int fd, char *buf, int len)
+{
+       int actual;
+
+       if (fd != 0) {
+               // printk("write: bad id %x\n", fd);
+               exit(1);
+       }
+
+       if (!of_read_initialized) {
+               stdin_ihandle =
+                   of_find_integer_property("/chosen", "stdin");
+               of_read_initialized = 1;
+       }
+
+       of1275_read(stdin_ihandle, buf, len, &actual);
+       return actual;
+}
+
+exit(int status)
+{
+       of1275_exit(status);
+       while (1);
+}