spacebank.h

C++ 编写的EROS RTOS

/*
 * Copyright (C) 1998, 1999, Jonathan Adams.
 *
 * This file is part of the EROS Operating System.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2,
 * or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */


#ifndef SPACEBANK_H
#define SPACEBANK_H

#include <domain/SpaceBankKey.h>

#ifdef NDEBUG
#define TREE_NO_TYPES
#endif

/* Invalid type for internal use */
#define SBOT_INVALID 0xff

extern const char *type_name(int t);
extern bool valid_type(int t);
extern uint32_t objects_per_frame[OT_NUM_TYPES];
extern uint32_t objects_map_mask[OT_NUM_TYPES];

#define kpanic kdprintf

bool heap_insert_page(uint32_t addr, uint32_t pageKR);

#define MAX_RANGES 256

/* Following MUST agree with values in primebank.map: */
#define STACK_TOP           0x100000
#define SRM_BASE           0x1000000
#define HEAP_BASE          0x2000000
#define SB_BRAND_KEYDATA       65535

/* Key registers */
#define KR_WALK0      KR_APP(0)	/* used internally by malloc */
#define KR_WALK1      KR_APP(1)	/* used internally by malloc */

#define KR_SRANGE     KR_APP(2)   /* Super Range key -- what fun! */
#define KR_RETURNER   KR_APP(3)   /* returner for guarenteeing returns */

#define KR_PRIMEBANK  KR_APP(4)
#define KR_VERIFIER   KR_APP(5)

#define KR_VOLSIZE    KR_APP(6)
#define KR_TMP        KR_APP(7)
#define KR_TMP2       KR_APP(8)
#define KR_TMP3       KR_APP(9)
#define KR_OSTREAM    KR_APP(10)	/* only used for debugging */

#define KR_ARG0       KR_ARG(0)
#define KR_ARG1       KR_ARG(1)
#define KR_ARG2       KR_ARG(2)


/* NOTE: On startup, KR_ARG0 holds a node key to the prime space bank
   key's node. */

/* kprintf for uint64_ts convienience */
#define DW_HEX "%08x%08x" /* hexadecimal format string -- 16 chars */
#define DW_HEX_ARG(x) (uint32_t)(x >> 32),(uint32_t)(x) /* hex. arg. string*/

#endif /* SPACEBANK_H */