ARMConstant.h

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/*
 * Copyright (C) 2015 Niek Linnenbank
 *
 * 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __LIBARCH_ARM_CONSTANT_H
#define __LIBARCH_ARM_CONSTANT_H
 
#define USR_MODE    16
#define IRQ_MODE    18
#define FIQ_MODE    17
#define SVC_MODE    19
#define ABT_MODE    23
#define UND_MODE    27
#define SYS_MODE    31
#define HYP_MODE    0x1a
#define MODE_MASK   0x1f
#define IRQ_BIT         (1 << 7)
#define FIQ_BIT         (1 << 6)
#define ASYNC_ABORT_BIT (1 << 8)
 
#define ELR  .long 0xe12ef30e
 
#define ERET .long 0xe160006e
 
#define PAGESHIFT       12
 
#define DIRSHIFT        20
 
#define PAGESIZE        4096
 
#define PAGEDIR_MAX     4096
#define PAGEDIR_SIZE    (PAGEDIR_MAX * sizeof(u32))
 
#define PAGETAB_MAX     256
#define PAGETAB_SIZE    (PAGETAB_MAX * sizeof(u32))
#define PAGETAB_SPAN    (PAGETAB_MAX*PAGESIZE)
 
#define PAGEMASK        0xfffff000 
 
#define SECTIONMASK     0xfff00000
 
#define MEMALIGN        4
 
#endif /* __LIBARCH_ARM_CONSTANT_H */