tie.h

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/*
 * This header file describes this specific Xtensa processor's TIE extensions
 * that extend basic Xtensa core functionality.  It is customized to this
 * Xtensa processor configuration.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1999-2007 Tensilica Inc.
 */

#ifndef _XTENSA_CORE_TIE_H
#define _XTENSA_CORE_TIE_H

#define XCHAL_CP_NUM            0   /* number of coprocessors */
#define XCHAL_CP_MAX            0   /* max CP ID + 1 (0 if none) */
#define XCHAL_CP_MASK           0x00    /* bitmask of all CPs by ID */
#define XCHAL_CP_PORT_MASK      0x00    /* bitmask of only port CPs */

/*  Basic parameters of each coprocessor:  */
#define XCHAL_CP7_NAME          "XTIOP"
#define XCHAL_CP7_IDENT         XTIOP
#define XCHAL_CP7_SA_SIZE       0   /* size of state save area */
#define XCHAL_CP7_SA_ALIGN      1   /* min alignment of save area */
#define XCHAL_CP_ID_XTIOP       7   /* coprocessor ID (0..7) */

/*  Filler info for unassigned coprocessors, to simplify arrays etc:  */
#define XCHAL_NCP_SA_SIZE       0
#define XCHAL_NCP_SA_ALIGN      1
#define XCHAL_CP0_SA_SIZE       0
#define XCHAL_CP0_SA_ALIGN      1
#define XCHAL_CP1_SA_SIZE       0
#define XCHAL_CP1_SA_ALIGN      1
#define XCHAL_CP2_SA_SIZE       0
#define XCHAL_CP2_SA_ALIGN      1
#define XCHAL_CP3_SA_SIZE       0
#define XCHAL_CP3_SA_ALIGN      1
#define XCHAL_CP4_SA_SIZE       0
#define XCHAL_CP4_SA_ALIGN      1
#define XCHAL_CP5_SA_SIZE       0
#define XCHAL_CP5_SA_ALIGN      1
#define XCHAL_CP6_SA_SIZE       0
#define XCHAL_CP6_SA_ALIGN      1

/*  Save area for non-coprocessor optional and custom (TIE) state:  */
#define XCHAL_NCP_SA_SIZE       0
#define XCHAL_NCP_SA_ALIGN      1

/*  Total save area for optional and custom state (NCP + CPn):  */
#define XCHAL_TOTAL_SA_SIZE     0   /* with 16-byte align padding */
#define XCHAL_TOTAL_SA_ALIGN        1   /* actual minimum alignment */

#define XCHAL_NCP_SA_NUM    0
#define XCHAL_NCP_SA_LIST(s)
#define XCHAL_CP0_SA_NUM    0
#define XCHAL_CP0_SA_LIST(s)
#define XCHAL_CP1_SA_NUM    0
#define XCHAL_CP1_SA_LIST(s)
#define XCHAL_CP2_SA_NUM    0
#define XCHAL_CP2_SA_LIST(s)
#define XCHAL_CP3_SA_NUM    0
#define XCHAL_CP3_SA_LIST(s)
#define XCHAL_CP4_SA_NUM    0
#define XCHAL_CP4_SA_LIST(s)
#define XCHAL_CP5_SA_NUM    0
#define XCHAL_CP5_SA_LIST(s)
#define XCHAL_CP6_SA_NUM    0
#define XCHAL_CP6_SA_LIST(s)
#define XCHAL_CP7_SA_NUM    0
#define XCHAL_CP7_SA_LIST(s)

/* Byte length of instruction from its first nibble (op0 field), per FLIX.  */
#define XCHAL_OP0_FORMAT_LENGTHS    3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3

#endif /*_XTENSA_CORE_TIE_H*/