Return to pcb.h CVS log

Up to [local] / sys / arch / arm / include

Annotation of sys/arch/arm/include/pcb.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: pcb.h,v 1.3 2006/05/27 20:36:05 miod Exp $    */
        !             2: /*     $NetBSD: pcb.h,v 1.10 2003/10/13 21:46:39 scw Exp $     */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 2001 Matt Thomas <matt@3am-software.com>.
        !             6:  * Copyright (c) 1994 Mark Brinicombe.
        !             7:  * All rights reserved.
        !             8:  *
        !             9:  * Redistribution and use in source and binary forms, with or without
        !            10:  * modification, are permitted provided that the following conditions
        !            11:  * are met:
        !            12:  * 1. Redistributions of source code must retain the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer.
        !            14:  * 2. Redistributions in binary form must reproduce the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer in the
        !            16:  *    documentation and/or other materials provided with the distribution.
        !            17:  * 3. All advertising materials mentioning features or use of this software
        !            18:  *    must display the following acknowledgement:
        !            19:  *     This product includes software developed by the RiscBSD team.
        !            20:  * 4. The name "RiscBSD" nor the name of the author may be used to
        !            21:  *    endorse or promote products derived from this software without specific
        !            22:  *    prior written permission.
        !            23:  *
        !            24:  * THIS SOFTWARE IS PROVIDED BY RISCBSD ``AS IS'' AND ANY EXPRESS OR IMPLIED
        !            25:  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
        !            26:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            27:  * IN NO EVENT SHALL RISCBSD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
        !            28:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            29:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            30:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            34:  * SUCH DAMAGE.
        !            35:  */
        !            36:
        !            37: #ifndef        _ARM_PCB_H_
        !            38: #define        _ARM_PCB_H_
        !            39:
        !            40: #include <machine/frame.h>
        !            41: #include <machine/fp.h>
        !            42:
        !            43: #include <arm/pte.h>
        !            44:
        !            45: struct trapframe;
        !            46:
        !            47: struct pcb_arm32 {
        !            48:        paddr_t pcb32_pagedir;                  /* PT hooks */
        !            49:        pd_entry_t *pcb32_pl1vec;               /* PTR to vector_base L1 entry*/
        !            50:        pd_entry_t pcb32_l1vec;                 /* Value to stuff on ctx sw */
        !            51:        u_int   pcb32_dacr;                     /* Domain Access Control Reg */
        !            52:        void    *pcb32_cstate;                  /* &pmap->pm_cstate */
        !            53:        /*
        !            54:         * WARNING!
        !            55:         * cpuswitch.S relies on pcb32_r8 being quad-aligned in struct pcb
        !            56:         * (due to the use of "strd" when compiled for XSCALE)
        !            57:         */
        !            58:        u_int   pcb32_r8;                       /* used */
        !            59:        u_int   pcb32_r9;                       /* used */
        !            60:        u_int   pcb32_r10;                      /* used */
        !            61:        u_int   pcb32_r11;                      /* used */
        !            62:        u_int   pcb32_r12;                      /* used */
        !            63:        u_int   pcb32_sp;                       /* used */
        !            64:        u_int   pcb32_lr;
        !            65:        u_int   pcb32_pc;
        !            66:        u_int   pcb32_und_sp;
        !            67: };
        !            68: #define        pcb_pagedir     pcb_un.un_32.pcb32_pagedir
        !            69: #define        pcb_pl1vec      pcb_un.un_32.pcb32_pl1vec
        !            70: #define        pcb_l1vec       pcb_un.un_32.pcb32_l1vec
        !            71: #define        pcb_dacr        pcb_un.un_32.pcb32_dacr
        !            72: #define        pcb_cstate      pcb_un.un_32.pcb32_cstate
        !            73:
        !            74: struct pcb_arm26 {
        !            75:        struct  switchframe *pcb26_sf;
        !            76: };
        !            77: #define        pcb_sf  pcb_un.un_26.pcb26_sf
        !            78:
        !            79: /*
        !            80:  * WARNING!
        !            81:  * See warning for struct pcb_arm32, above, before changing struct pcb!
        !            82:  */
        !            83: struct pcb {
        !            84:        u_int   pcb_flags;
        !            85: #define        PCB_OWNFPU      0x00000001
        !            86:        struct  trapframe *pcb_tf;
        !            87:        caddr_t pcb_onfault;                    /* On fault handler */
        !            88:        union   {
        !            89:                struct  pcb_arm32 un_32;
        !            90:                struct  pcb_arm26 un_26;
        !            91:        } pcb_un;
        !            92:        struct  fpe_sp_state pcb_fpstate;       /* Floating Point state */
        !            93: };
        !            94: #define        pcb_ff  pcb_fpstate                     /* for arm26 */
        !            95:
        !            96: /*
        !            97:  * No additional data for core dumps.
        !            98:  */
        !            99: struct md_coredump {
        !           100:        int     md_empty;
        !           101: };
        !           102:
        !           103: #ifdef _KERNEL
        !           104: #ifdef MULTIPROCESSOR
        !           105: #define curpcb (curcpu()->ci_curpcb)
        !           106: #else
        !           107: extern struct pcb *curpcb;
        !           108: #endif
        !           109: #endif /* _KERNEL */
        !           110:
        !           111: #endif /* _ARM_PCB_H_ */