original files of m241

vxworks-6.9/target/h/arch/ppc/spePpcLib.h

@@ -0,0 +1,78 @@
+/* spePpcLib.h - PowerPC E500 sipgnal processing engine support library 
+ *               header 
+ */
+
+/* Copyright 1984-2001 Wind River Systems, Inc. */
+/*
+modification history
+--------------------
+01b,03oct02,dtr  Removing _PPC_MSR_SPE from here adding to ppc85xx.h.
+01a,02sep02,dtr  Created.
+*/
+
+#ifndef __INCspePpcLibh
+#define __INCspePpcLibh
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define SPE_OFFSET(x) (4*x)
+#define ACC_SIZE  2     /* UINT32 */   
+#define SPE_NUM_REGS 32
+
+#ifndef	_ASMLANGUAGE
+
+/* This structure should be aligned to the size of a cache block */ 
+typedef struct		/* SPE_REG_SET */
+    {
+    UINT32 gpr[SPE_NUM_REGS];	/* general pourpose registers */
+    UINT32 acc[ACC_SIZE];
+    } SPE_CONTEXT;
+
+#define SPEREG_SET SPE_CONTEXT
+
+extern void speSave (SPE_CONTEXT *spePtr);
+extern void speRestore (SPE_CONTEXT *spePtr);
+
+
+#define SPE_CONTEXT_GET(pTcb)       (SPE_CONTEXT *)(pTcb->pCoprocCtx)
+#define SPE_CONTEXT_SET(pTcb,X)     (pTcb->pCoprocCtx=(int)(X))
+
+/* variable declarations */
+#if 0
+extern REG_INDEX speRegName[];		/* spe data register table */
+extern REG_INDEX speCtlRegName[];	/* spe control register table */
+#endif
+
+extern WIND_TCB *pSpeTaskIdPrevious;	/* task id for deferred exceptions */
+extern FUNCPTR	 speCreateHookRtn;	/* arch dependent create hook routine */
+extern FUNCPTR	 speDisplayHookRtn;	/* arch dependent display routine */
+
+/* function declarations */
+
+#if defined(__STDC__) || defined(__cplusplus)
+
+IMPORT void	speArchInit (void);
+IMPORT void	speArchTaskCreateInit (SPE_CONTEXT *pFpContext);
+
+#else	/* __STDC__ */
+
+IMPORT void	speArchInit ();
+IMPORT void	speArchTaskCreateInit ();
+
+#endif	/* __STDC__ */
+
+
+#endif	/* _ASMLANGUAGE */
+
+/* define offsets in SPE_CONTEXT structure */
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* INCspePpcLibh */