hpcorebootfe80/payloads/libpayload/include/mips/arch/virtual.h

35 lines
1.2 KiB
C

/*
* This file is part of the libpayload project.
*
* Copyright (C) 2014 Imagination Technologies
*
* 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; version 2 of the License.
*
* 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.
*/
#ifndef __MIPS_ARCH_VIRTUAL_H
#define __MIPS_ARCH_VIRTUAL_H
#define KSEG0_BASE 0x80000000
#define KSEG1_BASE 0xA0000000
#define kseg0_to_phys(virt) ((unsigned long)(virt) - KSEG0_BASE)
#define phys_to_kseg0(phys) ((void *)((unsigned long)(phys) + KSEG0_BASE))
#define kseg1_to_phys(virt) ((unsigned long)(virt) - KSEG1_BASE)
#define phys_to_kseg1(phys) ((void *)((unsigned long)(phys) + KSEG1_BASE))
#define virt_to_phys(virt) ((unsigned long)(virt))
#define phys_to_virt(phys) ((void *)(unsigned long)(phys))
#define virt_to_bus(virt) kseg1_to_phys(virt)
#define bus_to_virt(phys) phys_to_kseg1(phys)
#endif