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[PATCH v2 10/30] Hexagon HVX (target/hexagon) instruction utility functi
From: |
Taylor Simpson |
Subject: |
[PATCH v2 10/30] Hexagon HVX (target/hexagon) instruction utility functions |
Date: |
Thu, 26 Aug 2021 12:35:38 -0500 |
Functions to support scatter/gather
Add new file to target/hexagon/meson.build
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
---
target/hexagon/mmvec/system_ext_mmvec.h | 29 +++++++++++++
target/hexagon/mmvec/system_ext_mmvec.c | 74 +++++++++++++++++++++++++++++++++
target/hexagon/meson.build | 1 +
3 files changed, 104 insertions(+)
create mode 100644 target/hexagon/mmvec/system_ext_mmvec.h
create mode 100644 target/hexagon/mmvec/system_ext_mmvec.c
diff --git a/target/hexagon/mmvec/system_ext_mmvec.h
b/target/hexagon/mmvec/system_ext_mmvec.h
new file mode 100644
index 0000000..bc6ab4a
--- /dev/null
+++ b/target/hexagon/mmvec/system_ext_mmvec.h
@@ -0,0 +1,29 @@
+/*
+ * 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/>.
+ */
+
+#ifndef HEXAGON_SYSTEM_EXT_MMVEC_H
+#define HEXAGON_SYSTEM_EXT_MMVEC_H
+
+void mem_gather_store(CPUHexagonState *env, target_ulong vaddr, int slot);
+void mem_vector_scatter_init(CPUHexagonState *env, int slot,
+ target_ulong base_vaddr, int length,
+ int element_size);
+void mem_vector_gather_init(CPUHexagonState *env, int slot,
+ target_ulong base_vaddr, int length,
+ int element_size);
+
+#endif
diff --git a/target/hexagon/mmvec/system_ext_mmvec.c
b/target/hexagon/mmvec/system_ext_mmvec.c
new file mode 100644
index 0000000..44def07
--- /dev/null
+++ b/target/hexagon/mmvec/system_ext_mmvec.c
@@ -0,0 +1,74 @@
+/*
+ * 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->VRegs_updated_tmp = 0;
+
+ 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, int slot,
+ target_ulong base_vaddr,
+ int length, int element_size)
+{
+ int i;
+
+ for (i = 0; i < sizeof(MMVector); i++) {
+ env->vtcm_log.data.ub[i] = 0;
+ }
+ 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;
+ env->vtcm_log.size = sizeof(MMVector);
+}
+
+void mem_vector_gather_init(CPUHexagonState *env, int slot,
+ target_ulong base_vaddr,
+ int length, int element_size)
+{
+ int i;
+
+ for (i = 0; i < sizeof(MMVector); i++) {
+ env->vtcm_log.data.ub[i] = 0;
+ env->vtcm_log.va[i] = 0;
+ env->tmp_VRegs[0].ub[i] = 0;
+ }
+ bitmap_zero(env->vtcm_log.mask, MAX_VEC_SIZE_BYTES / 8);
+ env->vtcm_log.op = false;
+ env->vtcm_log.op_size = 0;
+
+ /*
+ * Temp reg gets updated
+ * This allows store .new to grab the correct result
+ */
+ env->VRegs_updated_tmp = 1;
+}
diff --git a/target/hexagon/meson.build b/target/hexagon/meson.build
index 6fd9360..ed292b4 100644
--- a/target/hexagon/meson.build
+++ b/target/hexagon/meson.build
@@ -173,6 +173,7 @@ hexagon_ss.add(files(
'printinsn.c',
'arch.c',
'fma_emu.c',
+ 'mmvec/system_ext_mmvec.c',
))
target_arch += {'hexagon': hexagon_ss}
--
2.7.4
- [PATCH v2 00/30] Hexagon HVX (target/hexagon) patch series, Taylor Simpson, 2021/08/26
- [PATCH v2 03/30] Hexagon HVX (target/hexagon) register names, Taylor Simpson, 2021/08/26
- [PATCH v2 01/30] Hexagon HVX (target/hexagon) README, Taylor Simpson, 2021/08/26
- [PATCH v2 04/30] Hexagon HVX (target/hexagon) instruction attributes, Taylor Simpson, 2021/08/26
- [PATCH v2 10/30] Hexagon HVX (target/hexagon) instruction utility functions,
Taylor Simpson <=
- [PATCH v2 02/30] Hexagon HVX (target/hexagon) add Hexagon Vector eXtensions (HVX) to core, Taylor Simpson, 2021/08/26
- [PATCH v2 11/30] Hexagon HVX (target/hexagon) helper functions, Taylor Simpson, 2021/08/26
- [PATCH v2 12/30] Hexagon HVX (target/hexagon) helper overrides infrastructure, Taylor Simpson, 2021/08/26
- [PATCH v2 07/30] Hexagon HVX (target/hexagon) semantics generator, Taylor Simpson, 2021/08/26
- [PATCH v2 08/30] Hexagon HVX (target/hexagon) semantics generator - part 2, Taylor Simpson, 2021/08/26
- [PATCH v2 13/30] Hexagon HVX (target/hexagon) helper overrides for histogram instructions, Taylor Simpson, 2021/08/26
- [PATCH v2 09/30] Hexagon HVX (target/hexagon) C preprocessor for decode tree, Taylor Simpson, 2021/08/26
- [PATCH v2 18/30] Hexagon HVX (target/hexagon) helper overrides - vector logical ops, Taylor Simpson, 2021/08/26
- [PATCH v2 14/30] Hexagon HVX (target/hexagon) helper overrides - vector assign & cmov, Taylor Simpson, 2021/08/26
- [PATCH v2 05/30] Hexagon HVX (target/hexagon) macros, Taylor Simpson, 2021/08/26