* Initial Device Support

*
*Modified Files:
*    .Sanitize ChangeLog
*Added Files:
*    Makefile.in README.Cygnus config.in configure configure.in
*    device.c device.h dma.c dma.h engine-sky.c gencode.c gpuif.c
*    gpuif.h hardware.c hardware.h interp.c m16.igen mdmx.igen
*    mips.dc mips.igen pke0.c pke0.h pke1.c pke1.h r5900.igen
*    sim-main.h tconfig.in vr5400.igen vu0.c vu0.h vu1.c vu1.h

1 files changed, 55 insertions, 0 deletions

diff --git a/sim/txvu/gpuif.c b/sim/txvu/gpuif.c
new file mode 100644
index 0000000..9787bf4
--- /dev/null
+++ b/sim/txvu/gpuif.c
@@ -0,0 +1,55 @@
+/*  Copyright (C) 1998, Cygnus Solutions
+
+    */
+
+#include "sim-main.h"
+
+#include "device.h"
+#include "gpuif.h"
+
+int
+gpuif_io_read_buffer(device *me,
+                      void *dest,
+                      int space,
+                      address_word addr,
+                      unsigned nr_bytes,
+                      sim_cpu *processor,
+                      sim_cia cia)
+{
+	printf("%s: Read!\n", me->name);
+	return nr_bytes;
+}
+
+int
+gpuif_io_write_buffer(device *me,
+                       const void *source,
+                       int space,
+                       address_word addr,
+                       unsigned nr_bytes,
+                       sim_cpu *processor,
+                       sim_cia cia)
+{
+	printf("%s: Write!\n", me->name);
+	return nr_bytes;
+}
+
+device gpuif_device = 
+  {
+    "Gpuif deivce", 
+    &gpuif_io_read_buffer,
+    &gpuif_io_write_buffer 
+  };
+
+void 
+gpuif_attach(SIM_DESC sd) 
+{
+  sim_core_attach (sd, NULL,
+                   0 /*level*/,
+                   access_read_write,
+                   0 /*space ???*/,
+                   GPUIF_REGISTER_WINDOW_START,
+                   GPUIF_REGISTER_WINDOW_SIZE /*nr_bytes*/,
+                   0 /*modulo*/,
+                   &gpuif_device,
+                   NULL /*buffer*/);
+}