1 files changed, 26 insertions, 0 deletions
diff --git a/bin/nv_rsfunc.h b/bin/nv_rsfunc.h
new file mode 100644
index 000000000..c73f1f737
--- /dev/null
+++ b/bin/nv_rsfunc.h
@@ -0,0 +1,26 @@
+#include <stdlib.h>
+
+#include <core/os.h>
+#include <core/object.h>
+#include <core/device.h>
+
+static CAST
+nv_rsys(struct nouveau_object *device, u64 addr)
+{
+	if (nv_device(device)->card_type >= NV_50 &&
+	    nv_device(device)->card_type <= NV_E0) {
+		CAST data;
+		u32 pmem = nv_ro32(device, 0x001700);
+		nv_wo32(device, 0x001700, 0x02000000 | (addr >> 16));
+		data = RSYS(device, 0x700000 + (addr & 0xffffULL));
+		nv_wo32(device, 0x001700, pmem);
+		return data;
+	} else {
+		printk("unsupported chipset\n");
+		exit(1);
+	}
+}
+
+#define READ(o) nv_rsys(device, (o))
+#define ENABLE  (NV_DEVICE_DISABLE_MMIO | NV_DEVICE_DISABLE_IDENTIFY)
+#include "nv_rdfunc.h"