173d668138
The Xtensa port contained many header files that were never needed. This rather lengthy patch removes all those files. Unfortunately, there were many dependencies that needed to be updated, so this patch touches quite a few source files. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/*
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* include/asm-xtensa/coprocessor.h
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2003 - 2005 Tensilica Inc.
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*/
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#ifndef _XTENSA_COPROCESSOR_H
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#define _XTENSA_COPROCESSOR_H
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#include <asm/variant/core.h>
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#include <asm/variant/tie.h>
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#if !XCHAL_HAVE_CP
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#define XTENSA_CP_EXTRA_OFFSET 0
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#define XTENSA_CP_EXTRA_ALIGN 1 /* must be a power of 2 */
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#define XTENSA_CP_EXTRA_SIZE 0
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#else
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#define XTOFS(last_start,last_size,align) \
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((last_start+last_size+align-1) & -align)
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#define XTENSA_CP_EXTRA_OFFSET 0
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#define XTENSA_CP_EXTRA_ALIGN XCHAL_EXTRA_SA_ALIGN
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#define XTENSA_CPE_CP0_OFFSET \
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XTOFS(XTENSA_CP_EXTRA_OFFSET, XCHAL_EXTRA_SA_SIZE, XCHAL_CP0_SA_ALIGN)
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#define XTENSA_CPE_CP1_OFFSET \
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XTOFS(XTENSA_CPE_CP0_OFFSET, XCHAL_CP0_SA_SIZE, XCHAL_CP1_SA_ALIGN)
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#define XTENSA_CPE_CP2_OFFSET \
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XTOFS(XTENSA_CPE_CP1_OFFSET, XCHAL_CP1_SA_SIZE, XCHAL_CP2_SA_ALIGN)
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#define XTENSA_CPE_CP3_OFFSET \
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XTOFS(XTENSA_CPE_CP2_OFFSET, XCHAL_CP2_SA_SIZE, XCHAL_CP3_SA_ALIGN)
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#define XTENSA_CPE_CP4_OFFSET \
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XTOFS(XTENSA_CPE_CP3_OFFSET, XCHAL_CP3_SA_SIZE, XCHAL_CP4_SA_ALIGN)
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#define XTENSA_CPE_CP5_OFFSET \
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XTOFS(XTENSA_CPE_CP4_OFFSET, XCHAL_CP4_SA_SIZE, XCHAL_CP5_SA_ALIGN)
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#define XTENSA_CPE_CP6_OFFSET \
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XTOFS(XTENSA_CPE_CP5_OFFSET, XCHAL_CP5_SA_SIZE, XCHAL_CP6_SA_ALIGN)
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#define XTENSA_CPE_CP7_OFFSET \
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XTOFS(XTENSA_CPE_CP6_OFFSET, XCHAL_CP6_SA_SIZE, XCHAL_CP7_SA_ALIGN)
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#define XTENSA_CP_EXTRA_SIZE \
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XTOFS(XTENSA_CPE_CP7_OFFSET, XCHAL_CP7_SA_SIZE, 16)
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#if XCHAL_CP_NUM > 0
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# ifndef __ASSEMBLY__
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/*
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* Tasks that own contents of (last user) each coprocessor.
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* Entries are 0 for not-owned or non-existent coprocessors.
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* Note: The size of this structure is fixed to 8 bytes in entry.S
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*/
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typedef struct {
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struct task_struct *owner; /* owner */
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int offset; /* offset in cpextra space. */
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} coprocessor_info_t;
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# else
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# define COPROCESSOR_INFO_OWNER 0
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# define COPROCESSOR_INFO_OFFSET 4
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# define COPROCESSOR_INFO_SIZE 8
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# endif
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#endif
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#ifndef __ASSEMBLY__
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# if XCHAL_CP_NUM > 0
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struct task_struct;
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extern void release_coprocessors (struct task_struct*);
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extern void save_coprocessor_registers(void*, int);
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# else
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# define release_coprocessors(task)
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# endif
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#endif
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#endif
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#endif /* _XTENSA_COPROCESSOR_H */
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