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
mem_gather_store(CPUHexagonState * env,target_ulong vaddr,int slot)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
mem_vector_scatter_init(CPUHexagonState * env)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
mem_vector_gather_init(CPUHexagonState * env)44 void mem_vector_gather_init(CPUHexagonState *env)
45 {
46 bitmap_zero(env->vtcm_log.mask, MAX_VEC_SIZE_BYTES);
47 }
48