arch/xtensa/variants/fsf/include/variant/tie.h

   1 /*
   2  * This header file describes this specific Xtensa processor's TIE extensions
   3  * that extend basic Xtensa core functionality.  It is customized to this
   4  * Xtensa processor configuration.
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  *
  10  * Copyright (C) 1999-2007 Tensilica Inc.
  11  */
  12
  13 #ifndef _XTENSA_CORE_TIE_H
  14 #define _XTENSA_CORE_TIE_H
  15
  16 #define XCHAL_CP_NUM                    0       /* number of coprocessors */
  17 #define XCHAL_CP_MAX                    0       /* max CP ID + 1 (0 if none) */
  18 #define XCHAL_CP_MASK                   0x00    /* bitmask of all CPs by ID */
  19 #define XCHAL_CP_PORT_MASK              0x00    /* bitmask of only port CPs */
  20
  21 /*  Basic parameters of each coprocessor:  */
  22 #define XCHAL_CP7_NAME                  "XTIOP"
  23 #define XCHAL_CP7_IDENT                 XTIOP
  24 #define XCHAL_CP7_SA_SIZE               0       /* size of state save area */
  25 #define XCHAL_CP7_SA_ALIGN              1       /* min alignment of save area */
  26 #define XCHAL_CP_ID_XTIOP               7       /* coprocessor ID (0..7) */
  27
  28 /*  Filler info for unassigned coprocessors, to simplify arrays etc:  */
  29 #define XCHAL_NCP_SA_SIZE               0
  30 #define XCHAL_NCP_SA_ALIGN              1
  31 #define XCHAL_CP0_SA_SIZE               0
  32 #define XCHAL_CP0_SA_ALIGN              1
  33 #define XCHAL_CP1_SA_SIZE               0
  34 #define XCHAL_CP1_SA_ALIGN              1
  35 #define XCHAL_CP2_SA_SIZE               0
  36 #define XCHAL_CP2_SA_ALIGN              1
  37 #define XCHAL_CP3_SA_SIZE               0
  38 #define XCHAL_CP3_SA_ALIGN              1
  39 #define XCHAL_CP4_SA_SIZE               0
  40 #define XCHAL_CP4_SA_ALIGN              1
  41 #define XCHAL_CP5_SA_SIZE               0
  42 #define XCHAL_CP5_SA_ALIGN              1
  43 #define XCHAL_CP6_SA_SIZE               0
  44 #define XCHAL_CP6_SA_ALIGN              1
  45
  46 /*  Save area for non-coprocessor optional and custom (TIE) state:  */
  47 #define XCHAL_NCP_SA_SIZE               0
  48 #define XCHAL_NCP_SA_ALIGN              1
  49
  50 /*  Total save area for optional and custom state (NCP + CPn):  */
  51 #define XCHAL_TOTAL_SA_SIZE             0       /* with 16-byte align padding */
  52 #define XCHAL_TOTAL_SA_ALIGN            1       /* actual minimum alignment */
  53
  54 #define XCHAL_NCP_SA_NUM        0
  55 #define XCHAL_NCP_SA_LIST(s)
  56 #define XCHAL_CP0_SA_NUM        0
  57 #define XCHAL_CP0_SA_LIST(s)
  58 #define XCHAL_CP1_SA_NUM        0
  59 #define XCHAL_CP1_SA_LIST(s)
  60 #define XCHAL_CP2_SA_NUM        0
  61 #define XCHAL_CP2_SA_LIST(s)
  62 #define XCHAL_CP3_SA_NUM        0
  63 #define XCHAL_CP3_SA_LIST(s)
  64 #define XCHAL_CP4_SA_NUM        0
  65 #define XCHAL_CP4_SA_LIST(s)
  66 #define XCHAL_CP5_SA_NUM        0
  67 #define XCHAL_CP5_SA_LIST(s)
  68 #define XCHAL_CP6_SA_NUM        0
  69 #define XCHAL_CP6_SA_LIST(s)
  70 #define XCHAL_CP7_SA_NUM        0
  71 #define XCHAL_CP7_SA_LIST(s)
  72
  73 /* Byte length of instruction from its first nibble (op0 field), per FLIX.  */
  74 #define XCHAL_OP0_FORMAT_LENGTHS        3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3
  75
  76 #endif /*_XTENSA_CORE_TIE_H*/
  77