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Diffstat (limited to 'arch/alpha/vtophys.hh')
| -rw-r--r-- | arch/alpha/vtophys.hh | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/alpha/vtophys.hh b/arch/alpha/vtophys.hh new file mode 100644 index 000000000..0b65a506f --- /dev/null +++ b/arch/alpha/vtophys.hh @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2003 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __VTOPHYS_H__ +#define __VTOPHYS_H__ + +#include "pmap.h" + +inline bool entry_valid(uint64_t entry) +{ return (entry & ALPHA_PTE_VALID) != 0; } + +class ExecContext; +class PhysicalMemory; + +Addr kernel_pte_lookup(PhysicalMemory *pmem, Addr ptbr, Addr vaddr); +Addr vtophys(PhysicalMemory *xc, Addr vaddr); +Addr vtophys(ExecContext *xc, Addr vaddr); +uint8_t *vtomem(ExecContext *xc, Addr vaddr, size_t len); + +#endif // __VTOPHYS_H__ + |