qemu/target/hexagon/mmvec/system_ext_mmvec.c

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/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "cpu.h"
#include "mmvec/system_ext_mmvec.h"
void mem_gather_store(CPUHexagonState *env, target_ulong vaddr, int slot)
{
size_t size = sizeof(MMVector);
env->vstore_pending[slot] = 1;
env->vstore[slot].va = vaddr;
env->vstore[slot].size = size;
memcpy(&env->vstore[slot].data.ub[0], &env->tmp_VRegs[0], size);
/* On a gather store, overwrite the store mask to emulate dropped gathers */
bitmap_copy(env->vstore[slot].mask, env->vtcm_log.mask, size);
}
void mem_vector_scatter_init(CPUHexagonState *env)
{
bitmap_zero(env->vtcm_log.mask, MAX_VEC_SIZE_BYTES);
env->vtcm_pending = true;
env->vtcm_log.op = false;
env->vtcm_log.op_size = 0;
}
void mem_vector_gather_init(CPUHexagonState *env)
{
bitmap_zero(env->vtcm_log.mask, MAX_VEC_SIZE_BYTES);
}