system_ext_mmvec.c (1581B)
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 }