1*82f8b3dcSTaylor Simpson /*
2*82f8b3dcSTaylor Simpson * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
3*82f8b3dcSTaylor Simpson *
4*82f8b3dcSTaylor Simpson * This program is free software; you can redistribute it and/or modify
5*82f8b3dcSTaylor Simpson * it under the terms of the GNU General Public License as published by
6*82f8b3dcSTaylor Simpson * the Free Software Foundation; either version 2 of the License, or
7*82f8b3dcSTaylor Simpson * (at your option) any later version.
8*82f8b3dcSTaylor Simpson *
9*82f8b3dcSTaylor Simpson * This program is distributed in the hope that it will be useful,
10*82f8b3dcSTaylor Simpson * but WITHOUT ANY WARRANTY; without even the implied warranty of
11*82f8b3dcSTaylor Simpson * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12*82f8b3dcSTaylor Simpson * GNU General Public License for more details.
13*82f8b3dcSTaylor Simpson *
14*82f8b3dcSTaylor Simpson * You should have received a copy of the GNU General Public License
15*82f8b3dcSTaylor Simpson * along with this program; if not, see <http://www.gnu.org/licenses/>.
16*82f8b3dcSTaylor Simpson */
17*82f8b3dcSTaylor Simpson
18*82f8b3dcSTaylor Simpson #include "qemu/osdep.h"
19*82f8b3dcSTaylor Simpson #include "cpu.h"
20*82f8b3dcSTaylor Simpson #include "mmvec/system_ext_mmvec.h"
21*82f8b3dcSTaylor Simpson
mem_gather_store(CPUHexagonState * env,target_ulong vaddr,int slot)22*82f8b3dcSTaylor Simpson void mem_gather_store(CPUHexagonState *env, target_ulong vaddr, int slot)
23*82f8b3dcSTaylor Simpson {
24*82f8b3dcSTaylor Simpson size_t size = sizeof(MMVector);
25*82f8b3dcSTaylor Simpson
26*82f8b3dcSTaylor Simpson env->vstore_pending[slot] = 1;
27*82f8b3dcSTaylor Simpson env->vstore[slot].va = vaddr;
28*82f8b3dcSTaylor Simpson env->vstore[slot].size = size;
29*82f8b3dcSTaylor Simpson memcpy(&env->vstore[slot].data.ub[0], &env->tmp_VRegs[0], size);
30*82f8b3dcSTaylor Simpson
31*82f8b3dcSTaylor Simpson /* On a gather store, overwrite the store mask to emulate dropped gathers */
32*82f8b3dcSTaylor Simpson bitmap_copy(env->vstore[slot].mask, env->vtcm_log.mask, size);
33*82f8b3dcSTaylor Simpson }
34*82f8b3dcSTaylor Simpson
mem_vector_scatter_init(CPUHexagonState * env)35*82f8b3dcSTaylor Simpson void mem_vector_scatter_init(CPUHexagonState *env)
36*82f8b3dcSTaylor Simpson {
37*82f8b3dcSTaylor Simpson bitmap_zero(env->vtcm_log.mask, MAX_VEC_SIZE_BYTES);
38*82f8b3dcSTaylor Simpson
39*82f8b3dcSTaylor Simpson env->vtcm_pending = true;
40*82f8b3dcSTaylor Simpson env->vtcm_log.op = false;
41*82f8b3dcSTaylor Simpson env->vtcm_log.op_size = 0;
42*82f8b3dcSTaylor Simpson }
43*82f8b3dcSTaylor Simpson
mem_vector_gather_init(CPUHexagonState * env)44*82f8b3dcSTaylor Simpson void mem_vector_gather_init(CPUHexagonState *env)
45*82f8b3dcSTaylor Simpson {
46*82f8b3dcSTaylor Simpson bitmap_zero(env->vtcm_log.mask, MAX_VEC_SIZE_BYTES);
47*82f8b3dcSTaylor Simpson }
48