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Diffstat (limited to 'qemu/roms/openbios/utils/ofclient/of1275_io.c')
-rw-r--r--qemu/roms/openbios/utils/ofclient/of1275_io.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/qemu/roms/openbios/utils/ofclient/of1275_io.c b/qemu/roms/openbios/utils/ofclient/of1275_io.c
new file mode 100644
index 000000000..25d1132c3
--- /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);
+}