| 1 | /* $Id: PGMPhysRWTmpl.h 98103 2023-01-17 14:15:46Z 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) 2006-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 |
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| 29 | /**
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| 30 | * Read physical memory. (one byte/word/dword)
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| 31 | *
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| 32 | * This API respects access handlers and MMIO. Use PGMPhysSimpleReadGCPhys() if you
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| 33 | * want to ignore those.
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| 34 | *
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| 35 | * @param pVM The cross context VM structure.
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| 36 | * @param GCPhys Physical address start reading from.
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| 37 | * @param enmOrigin Who is calling.
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| 38 | */
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| 39 | VMMDECL(PGMPHYS_DATATYPE) PGMPHYSFN_READNAME(PVM pVM, RTGCPHYS GCPhys, PGMACCESSORIGIN enmOrigin)
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| 40 | {
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| 41 | Assert(VM_IS_EMT(pVM));
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| 42 | PGMPHYS_DATATYPE val;
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| 43 | VBOXSTRICTRC rcStrict = PGMPhysRead(pVM, GCPhys, &val, sizeof(val), enmOrigin);
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| 44 | AssertMsg(rcStrict == VINF_SUCCESS, ("%Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); NOREF(rcStrict);
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| 45 | return val;
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| 46 | }
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| 47 |
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| 48 |
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| 49 | /**
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| 50 | * Write to physical memory. (one byte/word/dword)
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| 51 | *
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| 52 | * This API respects access handlers and MMIO. Use PGMPhysSimpleReadGCPhys() if you
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| 53 | * want to ignore those.
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| 54 | *
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| 55 | * @param pVM The cross context VM structure.
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| 56 | * @param GCPhys Physical address to write to.
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| 57 | * @param val What to write.
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| 58 | * @param enmOrigin Who is calling.
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| 59 | */
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| 60 | VMMDECL(void) PGMPHYSFN_WRITENAME(PVM pVM, RTGCPHYS GCPhys, PGMPHYS_DATATYPE val, PGMACCESSORIGIN enmOrigin)
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| 61 | {
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| 62 | Assert(VM_IS_EMT(pVM));
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| 63 | VBOXSTRICTRC rcStrict = PGMPhysWrite(pVM, GCPhys, &val, sizeof(val), enmOrigin);
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| 64 | AssertMsg(rcStrict == VINF_SUCCESS, ("%Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); NOREF(rcStrict);
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| 65 | }
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| 66 |
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| 67 | #undef PGMPHYSFN_READNAME
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| 68 | #undef PGMPHYSFN_WRITENAME
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| 69 | #undef PGMPHYS_DATATYPE
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| 70 | #undef PGMPHYS_DATASIZE
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| 71 |
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