| 1 | /* $Id: PGMPhysRWTmpl.h 93115 2022-01-01 11:31:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * PGM - Page Manager and Monitor, Physical Memory Access Template.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2022 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 |
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| 19 | /**
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| 20 | * Read physical memory. (one byte/word/dword)
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| 21 | *
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| 22 | * This API respects access handlers and MMIO. Use PGMPhysSimpleReadGCPhys() if you
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| 23 | * want to ignore those.
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| 24 | *
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| 25 | * @param pVM The cross context VM structure.
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| 26 | * @param GCPhys Physical address start reading from.
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| 27 | * @param enmOrigin Who is calling.
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| 28 | */
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| 29 | VMMDECL(PGMPHYS_DATATYPE) PGMPHYSFN_READNAME(PVM pVM, RTGCPHYS GCPhys, PGMACCESSORIGIN enmOrigin)
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| 30 | {
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| 31 | Assert(VM_IS_EMT(pVM));
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| 32 | PGMPHYS_DATATYPE val;
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| 33 | VBOXSTRICTRC rcStrict = PGMPhysRead(pVM, GCPhys, &val, sizeof(val), enmOrigin);
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| 34 | AssertMsg(rcStrict == VINF_SUCCESS, ("%Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); NOREF(rcStrict);
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| 35 | return val;
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| 36 | }
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| 37 |
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| 38 |
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| 39 | /**
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| 40 | * Write to physical memory. (one byte/word/dword)
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| 41 | *
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| 42 | * This API respects access handlers and MMIO. Use PGMPhysSimpleReadGCPhys() if you
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| 43 | * want to ignore those.
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| 44 | *
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| 45 | * @param pVM The cross context VM structure.
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| 46 | * @param GCPhys Physical address to write to.
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| 47 | * @param val What to write.
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| 48 | * @param enmOrigin Who is calling.
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| 49 | */
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| 50 | VMMDECL(void) PGMPHYSFN_WRITENAME(PVM pVM, RTGCPHYS GCPhys, PGMPHYS_DATATYPE val, PGMACCESSORIGIN enmOrigin)
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| 51 | {
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| 52 | Assert(VM_IS_EMT(pVM));
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| 53 | VBOXSTRICTRC rcStrict = PGMPhysWrite(pVM, GCPhys, &val, sizeof(val), enmOrigin);
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| 54 | AssertMsg(rcStrict == VINF_SUCCESS, ("%Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); NOREF(rcStrict);
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| 55 | }
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| 56 |
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| 57 | #undef PGMPHYSFN_READNAME
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| 58 | #undef PGMPHYSFN_WRITENAME
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| 59 | #undef PGMPHYS_DATATYPE
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| 60 | #undef PGMPHYS_DATASIZE
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| 61 |
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