Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / SLOF / clients / net-snk / oflib / pci.c

diff --git a/qemu/roms/SLOF/clients/net-snk/oflib/pci.c b/qemu/roms/SLOF/clients/net-snk/oflib/pci.c
new file mode 100644 (file)
index 0000000..89003ae
--- /dev/null
+++ b/qemu/roms/SLOF/clients/net-snk/oflib/pci.c
@@ -0,0 +1,60 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <stdint.h>
+#include <rtas.h>
+#include <of.h>
+#include <pci.h>
+#include <string.h>
+#include <kernel.h>
+#include <cpu.h>
+#include <cache.h>
+
+unsigned int read_io(void *addr, size_t sz)
+{
+       unsigned int ret;
+
+       switch (sz) {
+       case 1:
+               ret = ci_read_8(addr);
+               break;
+       case 2:
+               ret = ci_read_16(addr);
+               break;
+       case 4:
+               ret = ci_read_32(addr);
+               break;
+       default:
+               ret = 0;
+       }
+
+       return ret;
+}
+
+int write_io(void *addr, unsigned int value, size_t sz)
+{
+       switch (sz) {
+       case 1:
+               ci_write_8(addr, value);
+               break;
+       case 2:
+               ci_write_16(addr, value);
+               break;
+       case 4:
+               ci_write_32(addr, value);
+               break;
+       default:
+               return -1;
+       }
+
+       return 0;
+}