| 1 | /* |
| 2 | * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #include "qemu/osdep.h" |
| 19 | #include "cpu.h" |
| 20 | #include "mmvec/system_ext_mmvec.h" |
| 21 | |
| 22 | void mem_gather_store(CPUHexagonState *env, target_ulong vaddr, int slot) |
| 23 | { |
| 24 | size_t size = sizeof(MMVector); |
| 25 | |
| 26 | env->vstore_pending[slot] = 1; |
| 27 | env->vstore[slot].va = vaddr; |
| 28 | env->vstore[slot].size = size; |
| 29 | memcpy(&env->vstore[slot].data.ub[0], &env->tmp_VRegs[0], size); |
| 30 | |
| 31 | /* On a gather store, overwrite the store mask to emulate dropped gathers */ |
| 32 | bitmap_copy(env->vstore[slot].mask, env->vtcm_log.mask, size); |
| 33 | } |
| 34 | |
| 35 | void mem_vector_scatter_init(CPUHexagonState *env) |
| 36 | { |
| 37 | bitmap_zero(env->vtcm_log.mask, MAX_VEC_SIZE_BYTES); |
| 38 | |
| 39 | env->vtcm_pending = true; |
| 40 | env->vtcm_log.op = false; |
| 41 | env->vtcm_log.op_size = 0; |
| 42 | } |
| 43 | |
| 44 | void mem_vector_gather_init(CPUHexagonState *env) |
| 45 | { |
| 46 | bitmap_zero(env->vtcm_log.mask, MAX_VEC_SIZE_BYTES); |
| 47 | } |