sys/rump/include/machine/cpu.h

   1 /*      $NetBSD: cpu.h,v 1.11 2009/10/15 01:50:08 pooka Exp $   */
   2
   3 /*
   4  * Copyright (c) 2007 Antti Kantee.  All Rights Reserved.
   5  *
   6  * Development of this software was supported by Google Summer of Code.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #ifndef _SYS_RUMP_CPU_H_
  31 #define _SYS_RUMP_CPU_H_
  32
  33 #ifndef _LOCORE
  34
  35 #include <sys/cpu_data.h>
  36 #include <machine/pcb.h>
  37
  38 struct cpu_info {
  39         struct cpu_data ci_data;
  40         cpuid_t ci_cpuid;
  41
  42 /*
  43  * XXX: horrible workaround for vax lock.h.
  44  * I eventually want to nuke rump include/machine, so don't waste
  45  * energy fighting with this.
  46  */
  47 #ifdef __vax__
  48         int ci_ipimsgs;
  49 #define IPI_SEND_CNCHAR 0
  50 #define IPI_DDB 0
  51 #endif /* __vax__ */
  52
  53 /*
  54  * More stinky hacks, this time for powerpc.  Will go away eventually.
  55  */
  56 #ifdef __powerpc__
  57         struct cache_info {
  58                 int dcache_size;
  59                 int dcache_line_size;
  60                 int icache_size;
  61                 int icache_line_size;
  62         } ci_ci;
  63 #endif /* __powerpc */
  64 };
  65
  66 /* more dirty rotten vax kludges */
  67 #ifdef __vax__
  68 static __inline void cpu_handle_ipi(void) {}
  69 #endif /* __vax__ */
  70
  71 #ifdef __powerpc__
  72 void __syncicache(void *, size_t);
  73 #endif
  74
  75 struct lwp *rumpuser_get_curlwp(void);
  76 #define curlwp rumpuser_get_curlwp()
  77
  78 #define curcpu() (curlwp->l_cpu)
  79 #define cpu_number() 0 /* XXX: not good enuf */
  80
  81 #endif /* !_LOCORE */
  82
  83 #endif /* _SYS_RUMP_CPU_H_ */