| 1 | /* $Id: IEMAllAImpl-arm64.S 102977 2024-01-19 23:11:30Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IEM - Instruction Implementation in Assembly, ARM64 variant.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2023 Oracle and/or its affiliates.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox base platform packages, as
|
|---|
| 10 | * available from https://www.alldomusa.eu.org.
|
|---|
| 11 | *
|
|---|
| 12 | * This program is free software; you can redistribute it and/or
|
|---|
| 13 | * modify it under the terms of the GNU General Public License
|
|---|
| 14 | * as published by the Free Software Foundation, in version 3 of the
|
|---|
| 15 | * License.
|
|---|
| 16 | *
|
|---|
| 17 | * This program is distributed in the hope that it will be useful, but
|
|---|
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 20 | * General Public License for more details.
|
|---|
| 21 | *
|
|---|
| 22 | * You should have received a copy of the GNU General Public License
|
|---|
| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
|---|
| 24 | *
|
|---|
| 25 | * SPDX-License-Identifier: GPL-3.0-only
|
|---|
| 26 | */
|
|---|
| 27 |
|
|---|
| 28 |
|
|---|
| 29 | #include <iprt/asmdefs-arm.h>
|
|---|
| 30 |
|
|---|
| 31 |
|
|---|
| 32 | BEGINCODE
|
|---|
| 33 | .p2align 2
|
|---|
| 34 | .private_extern NAME(iemAImpl_placeholder)
|
|---|
| 35 | .globl NAME(iemAImpl_placeholder)
|
|---|
| 36 | NAME(iemAImpl_placeholder):
|
|---|
| 37 | brk #1
|
|---|
| 38 | ret
|
|---|
| 39 |
|
|---|
| 40 | /* Some sketches.
|
|---|
| 41 |
|
|---|
| 42 | // IEM_DECL_IMPL_DEF(void, iemAImpl_xchg_u8_locked, (uint8_t *pu8Mem, uint8_t *pu8Reg));
|
|---|
| 43 | .p2align 2
|
|---|
| 44 | .private_extern NAME(iemAImpl_xchg_u8_locked)
|
|---|
| 45 | .globl NAME(iemAImpl_xchg_u8_locked)
|
|---|
| 46 | NAME(iemAImpl_xchg_u8_locked):
|
|---|
| 47 | ldrb w2, [x1]
|
|---|
| 48 | swpalb w2, w2, [x0]
|
|---|
| 49 | strb w2, [x1]
|
|---|
| 50 | ret
|
|---|
| 51 |
|
|---|
| 52 | // IEM_DECL_IMPL_DEF(void, iemAImpl_xchg_u16_locked,(uint16_t *pu16Mem, uint16_t *pu16Reg));
|
|---|
| 53 | .p2align 2
|
|---|
| 54 | .private_extern NAME(iemAImpl_xchg_u16_locked)
|
|---|
| 55 | .globl NAME(iemAImpl_xchg_u16_locked)
|
|---|
| 56 | NAME(iemAImpl_xchg_u16_locked):
|
|---|
| 57 | ldrh w2, [x1]
|
|---|
| 58 | swpalh w2, w2, [x0]
|
|---|
| 59 | strh w2, [x1]
|
|---|
| 60 | ret
|
|---|
| 61 |
|
|---|
| 62 | // IEM_DECL_IMPL_DEF(void, iemAImpl_xchg_u32_locked,(uint32_t *pu32Mem, uint32_t *pu32Reg));
|
|---|
| 63 | // IEM_DECL_IMPL_DEF(void, iemAImpl_xchg_u64_locked,(uint64_t *pu64Mem, uint64_t *pu64Reg));
|
|---|
| 64 |
|
|---|
| 65 | */
|
|---|
