mirror of https://gitee.com/openkylin/linux.git
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
/*
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* Copyright (C) Paul Mackerras 1997.
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* Copyright (C) Leigh Brown 2002.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include "of1275.h"
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#include "nonstdio.h"
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extern ihandle of_prom_mmu;
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int
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map(unsigned int phys, unsigned int virt, unsigned int size)
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{
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struct prom_args {
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char *service;
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int nargs;
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int nret;
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char *method;
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ihandle mmu_ihandle;
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int misc;
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unsigned int size;
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unsigned int virt;
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unsigned int phys;
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int ret0;
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} args;
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if (of_prom_mmu == 0) {
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printf("map() called, no MMU found\n");
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return -1;
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}
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args.service = "call-method";
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args.nargs = 6;
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args.nret = 1;
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args.method = "map";
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args.mmu_ihandle = of_prom_mmu;
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args.misc = 0;
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args.phys = phys;
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args.virt = virt;
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args.size = size;
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(*of_prom_entry)(&args);
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return (int)args.ret0;
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}
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