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Annotation of sys/arch/hppa64/include/frame.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: frame.h,v 1.1 2005/04/01 10:40:48 mickey Exp $        */
                      2:
                      3: /*
                      4:  * Copyright (c) 2005 Michael Shalayeff
                      5:  * All rights reserved.
                      6:  *
                      7:  * Permission to use, copy, modify, and distribute this software for any
                      8:  * purpose with or without fee is hereby granted, provided that the above
                      9:  * copyright notice and this permission notice appear in all copies.
                     10:  *
                     11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     14:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     15:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
                     16:  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
                     17:  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     18:  */
                     19:
                     20: #ifndef _MACHINE_FRAME_H_
                     21: #define _MACHINE_FRAME_H_
                     22:
                     23: /*
                     24:  * Call frame definitions
                     25:  */
                     26: #define        HPPA_FRAME_SIZE         (128)
                     27: #define        HPPA_FRAME_PSP          (-8)
                     28: #define        HPPA_FRAME_RP           (-16)
                     29:
                     30: /*
                     31:  * Macros to decode processor status word.
                     32:  */
                     33: #define        HPPA_PC_PRIV_MASK    3
                     34: #define        HPPA_PC_PRIV_KERN    0
                     35: #define        HPPA_PC_PRIV_USER    3
                     36: #define        USERMODE(pc)    ((((register_t)pc) & HPPA_PC_PRIV_MASK) != HPPA_PC_PRIV_KERN)
                     37: #define        KERNMODE(pc)    (((register_t)pc) & ~HPPA_PC_PRIV_MASK)
                     38:
                     39: /*
                     40:  *
                     41:  */
                     42: #define        HPPA_SID_MAX    0x7ffffe00
                     43: #define        HPPA_SID_KERNEL 0
                     44: #define        HPPA_PID_KERNEL 2
                     45:
                     46: #ifndef _LOCORE
                     47: /*
                     48:  * the trapframe is divided into two parts:
                     49:  *     one is saved while we are in the physical mode (beginning of the trap),
                     50:  *     and should be kept as small as possible, since all the interrupts will
                     51:  *     be lost during this phase, also it must be 64-bytes aligned, per
                     52:  *     pa-risc stack conventions, and its dependencies in the code (;
                     53:  *     the other part is filled out when we are already in the virtual mode,
                     54:  *     are able to catch interrupts (they are kept pending) and perform
                     55:  *     other trap activities (like tlb misses).
                     56:  */
                     57: struct trapframe {
                     58:        unsigned long   tf_flags;
                     59:        unsigned long   tf_r1;
                     60:        unsigned long   tf_rp;
                     61:        unsigned long   tf_r3;
                     62:        unsigned long   tf_r4;
                     63:        unsigned long   tf_r5;
                     64:        unsigned long   tf_r6;
                     65:        unsigned long   tf_r7;
                     66:        unsigned long   tf_r8;
                     67:        unsigned long   tf_r9;
                     68:        unsigned long   tf_r10;
                     69:        unsigned long   tf_r11;
                     70:        unsigned long   tf_r12;
                     71:        unsigned long   tf_r13;
                     72:        unsigned long   tf_r14;
                     73:        unsigned long   tf_r15;
                     74:        unsigned long   tf_r16;
                     75:        unsigned long   tf_r17;
                     76:        unsigned long   tf_r18;
                     77:        unsigned long   tf_args[8];
                     78:        unsigned long   tf_dp;          /* r27 */
                     79:        unsigned long   tf_ret0;
                     80:        unsigned long   tf_ret1;
                     81:        unsigned long   tf_sp;
                     82:        unsigned long   tf_r31;
                     83:        unsigned long   tf_sr0;
                     84:        unsigned long   tf_sr1;
                     85:        unsigned long   tf_sr2;
                     86:        unsigned long   tf_sr3;
                     87:        unsigned long   tf_sr4;
                     88:        unsigned long   tf_sr5;
                     89:        unsigned long   tf_sr6;
                     90:        unsigned long   tf_sr7;
                     91:        unsigned long   tf_rctr;
                     92:        unsigned long   tf_ccr;         /* cr10 */
                     93:        unsigned long   tf_iioq[2];
                     94:        unsigned long   tf_iisq[2];
                     95:        unsigned long   tf_pidr1;
                     96:        unsigned long   tf_pidr2;
                     97:        unsigned long   tf_eiem;
                     98:        unsigned long   tf_eirr;
                     99:        unsigned long   tf_ior;
                    100:        unsigned long   tf_isr;
                    101:        unsigned long   tf_iir;
                    102:        unsigned long   tf_ipsw;
                    103:        unsigned long   tf_ci;          /* cr24 */
                    104:        unsigned long   tf_vtop;        /* cr25 */
                    105:        unsigned long   tf_cr30;        /* pa(u) */
                    106:        unsigned long   tf_cr27;        /* user curthread */
                    107:        unsigned long   tf_sar;
                    108:
                    109:        unsigned long   tf_pad[5];
                    110: };
                    111: #endif /* !_LOCORE */
                    112:
                    113: #endif /* !_MACHINE_FRAME_H_ */