1 files changed, 47 insertions, 0 deletions
diff --git a/target/hexagon/mmvec/system_ext_mmvec.c b/target/hexagon/mmvec/system_ext_mmvec.c
new file mode 100644
index 0000000000..8351f2cc01
--- /dev/null
+++ b/target/hexagon/mmvec/system_ext_mmvec.c
@@ -0,0 +1,47 @@
+/*
+ *  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);
+}