1*1991Sheppo /* 2*1991Sheppo * CDDL HEADER START 3*1991Sheppo * 4*1991Sheppo * The contents of this file are subject to the terms of the 5*1991Sheppo * Common Development and Distribution License (the "License"). 6*1991Sheppo * You may not use this file except in compliance with the License. 7*1991Sheppo * 8*1991Sheppo * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*1991Sheppo * or http://www.opensolaris.org/os/licensing. 10*1991Sheppo * See the License for the specific language governing permissions 11*1991Sheppo * and limitations under the License. 12*1991Sheppo * 13*1991Sheppo * When distributing Covered Code, include this CDDL HEADER in each 14*1991Sheppo * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*1991Sheppo * If applicable, add the following below this CDDL HEADER, with the 16*1991Sheppo * fields enclosed by brackets "[]" replaced with your own identifying 17*1991Sheppo * information: Portions Copyright [yyyy] [name of copyright owner] 18*1991Sheppo * 19*1991Sheppo * CDDL HEADER END 20*1991Sheppo */ 21*1991Sheppo 22*1991Sheppo /* 23*1991Sheppo * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24*1991Sheppo * Use is subject to license terms. 25*1991Sheppo */ 26*1991Sheppo 27*1991Sheppo #ifndef _LPAD_H 28*1991Sheppo #define _LPAD_H 29*1991Sheppo 30*1991Sheppo #pragma ident "%Z%%M% %I% %E% SMI" 31*1991Sheppo 32*1991Sheppo /* 33*1991Sheppo * sun4v Landing Pad 34*1991Sheppo */ 35*1991Sheppo 36*1991Sheppo #ifdef __cplusplus 37*1991Sheppo extern "C" { 38*1991Sheppo #endif 39*1991Sheppo 40*1991Sheppo #ifndef _ASM 41*1991Sheppo 42*1991Sheppo #include <sys/pte.h> 43*1991Sheppo 44*1991Sheppo typedef union { 45*1991Sheppo struct { 46*1991Sheppo unsigned int rsvd0:32; 47*1991Sheppo unsigned int rsvd1:29; 48*1991Sheppo unsigned int perm:1; 49*1991Sheppo unsigned int mmuflags:2; 50*1991Sheppo } flag_bits; 51*1991Sheppo uint64_t ll; 52*1991Sheppo } lpad_map_flag_t; 53*1991Sheppo 54*1991Sheppo typedef struct lpad_map { 55*1991Sheppo lpad_map_flag_t flags; 56*1991Sheppo uint64_t va; 57*1991Sheppo tte_t tte; 58*1991Sheppo } lpad_map_t; 59*1991Sheppo 60*1991Sheppo #define flag_mmuflags flags.flag_bits.mmuflags 61*1991Sheppo #define flag_perm flags.flag_bits.perm 62*1991Sheppo 63*1991Sheppo typedef struct lpad_data { 64*1991Sheppo uint64_t magic; /* magic value for sanity checking */ 65*1991Sheppo uint64_t *inuse; /* clear flag when done with lpad */ 66*1991Sheppo uint64_t mmfsa_ra; /* RA of MMU fault status area */ 67*1991Sheppo uint64_t pc; /* VA of CPU startup function */ 68*1991Sheppo uint64_t arg; /* argument to startup function */ 69*1991Sheppo uint64_t nmap; /* number of mappings */ 70*1991Sheppo lpad_map_t map[1]; /* array of mappings */ 71*1991Sheppo } lpad_data_t; 72*1991Sheppo 73*1991Sheppo extern uint64_t *lpad_setup(int cpuid, uint64_t pc, uint64_t arg); 74*1991Sheppo 75*1991Sheppo #endif /* ! _ASM */ 76*1991Sheppo 77*1991Sheppo /* 78*1991Sheppo * General landing pad constants 79*1991Sheppo */ 80*1991Sheppo #define LPAD_TEXT_SIZE 1024 81*1991Sheppo #define LPAD_DATA_SIZE 1024 82*1991Sheppo #define LPAD_SIZE (LPAD_TEXT_SIZE + LPAD_DATA_SIZE) 83*1991Sheppo #define LPAD_MAGIC_VAL 0x4C502D4D41474943 /* "LP-MAGIC" */ 84*1991Sheppo 85*1991Sheppo /* 86*1991Sheppo * Masks for the lpad_map_t flag bitfield 87*1991Sheppo */ 88*1991Sheppo #define FLAG_MMUFLAGS_MASK 0x3 89*1991Sheppo #define FLAG_LOCK_MASK 0x4 90*1991Sheppo 91*1991Sheppo #ifdef __cplusplus 92*1991Sheppo } 93*1991Sheppo #endif 94*1991Sheppo 95*1991Sheppo #endif /* _LPAD_H */ 96