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kernel/linux-rt-4.4.41/arch/xtensa/variants/fsf/include/variant/tie.h 2.26 KB
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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 */
  
  /*  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
  #define XCHAL_CP7_SA_SIZE		0
  #define XCHAL_CP7_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*/