1 files changed, 99 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/bsd/bsd_ev56.c b/hw/xfree86/os-support/bsd/bsd_ev56.c
new file mode 100644
index 0000000..31b364d
--- /dev/null
+++ b/hw/xfree86/os-support/bsd/bsd_ev56.c
@@ -0,0 +1,99 @@
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include "input.h"
+#include "scrnintstr.h"
+#include "compiler.h"
+
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+#include "xf86OSpriv.h"
+
+#include <machine/bwx.h>
+
+/*
+ * The following functions are used only on EV56 and greater CPUs,
+ * and the assembler requires going to EV56 mode in order to emit
+ * these instructions.
+ */
+__asm(".arch ev56");
+
+int readDense8(pointer Base, register unsigned long Offset);
+int readDense16(pointer Base, register unsigned long Offset);
+int readDense32(pointer Base, register unsigned long Offset);
+void
+writeDenseNB8(int Value, pointer Base, register unsigned long Offset);
+void
+writeDenseNB16(int Value, pointer Base, register unsigned long Offset);
+void
+writeDenseNB32(int Value, pointer Base, register unsigned long Offset);
+void
+writeDense8(int Value, pointer Base, register unsigned long Offset);
+void
+writeDense16(int Value, pointer Base, register unsigned long Offset);
+void
+writeDense32(int Value, pointer Base, register unsigned long Offset);
+
+int
+readDense8(pointer Base, register unsigned long Offset)
+{
+    mem_barrier();
+    return (alpha_ldbu((pointer)((unsigned long)Base+(Offset))));
+}
+
+int
+readDense16(pointer Base, register unsigned long Offset)
+{
+    mem_barrier();
+    return (alpha_ldwu((pointer)((unsigned long)Base+(Offset))));
+}
+
+int
+readDense32(pointer Base, register unsigned long Offset)
+{
+    mem_barrier();
+    return *(volatile CARD32*)((unsigned long)Base+(Offset));
+}
+
+void
+writeDenseNB8(int Value, pointer Base, register unsigned long Offset)
+{
+    alpha_stb((pointer)((unsigned long)Base+(Offset)), Value);
+}
+
+void
+writeDenseNB16(int Value, pointer Base, register unsigned long Offset)
+{
+    alpha_stw((pointer)((unsigned long)Base + (Offset)), Value);
+}
+
+void
+writeDenseNB32(int Value, pointer Base, register unsigned long Offset)
+{
+    *(volatile CARD32*)((unsigned long)Base+(Offset)) = Value;
+}
+
+void
+writeDense8(int Value, pointer Base, register unsigned long Offset)
+{
+    write_mem_barrier();
+    alpha_stb((pointer)((unsigned long)Base+(Offset)), Value);
+}
+
+void
+writeDense16(int Value, pointer Base, register unsigned long Offset)
+{
+    write_mem_barrier();
+    alpha_stw((pointer)((unsigned long)Base + (Offset)), Value);
+}
+
+void
+writeDense32(int Value, pointer Base, register unsigned long Offset)
+{
+    write_mem_barrier();
+    *(volatile CARD32 *)((unsigned long)Base+(Offset)) = Value;
+}