* Very, very early support for vu1 based on sce code.

* Modified Files:
*    ChangeLog Makefile.in hardware.c vu1.c vu1.h
* Added Files:
*    libvpe.c libvpe.h vpe.h vu.h

1 files changed, 49 insertions, 0 deletions

diff --git a/sim/txvu/vu.h b/sim/txvu/vu.h
new file mode 100644
index 0000000..b983d88
--- /dev/null
+++ b/sim/txvu/vu.h
@@ -0,0 +1,49 @@
+/*  Copyright (C) 1998, Cygnus Solutions
+
+    */
+
+#ifndef VU_H_
+#define VU_H_
+
+#include "sim-main.h"
+#include <sys/types.h>
+
+typedef u_long MEM_Entry_Type[4];
+typedef u_long uMEM_Entry_Type[2];
+
+typedef enum { VU_READY, VU_RUN, VU_BREAK } RunState;
+
+/* See VU Specifications (Ver. 2.10), p7-11 */
+typedef struct {
+    u_long vbs : 1;		/* busy		0: Idle, 	  1: Busy  */
+    u_long vds : 1;		/* D bit stop 	0: No D bit stop, 1: D bit stop */
+    u_long vts : 1;		/* T bit stop 	0: No T bit stop, 1: T bit stop*/
+    u_long vfs : 1;		/* ForceBreak stop 0: no ForceBreak stop, 1: ForceBreak stop*/
+    u_long vgw : 1;		/* XGKICK wait 	0: Do not wait, 1: Wait */
+    u_long div : 1;		/* DIV busy 	0: Idle, 1: Busy*/
+    u_long efu : 1;		/* EF busy	0: Idle, 1: Busy */
+    u_long reserved_2:25;
+} VpeStat;
+
+typedef struct {
+	float VF[32][4];
+	short VI[16];
+	u_long MST;
+	u_long MMC;
+	u_long MCP;
+	u_long MR;
+	u_long MI;
+	u_long MQ;
+	u_long MP;
+	u_long MTPC;
+	VpeStat VPE_STAT;
+} VectorUnitRegs;
+
+typedef struct {
+	MEM_Entry_Type *MEM; /* VU (data) memory */
+	uMEM_Entry_Type *uMEM; /* Micro (instruction) memory */
+	VectorUnitRegs regs;
+	RunState runState;
+} VectorUnitState;
+
+#endif