From: Taylor Simpson <tsimpson@quicinc.com>
To: qemu-devel@nongnu.org
Cc: riku.voipio@iki.fi, richard.henderson@linaro.org,
laurent@vivier.eu, Taylor Simpson <tsimpson@quicinc.com>,
philmd@redhat.com, aleksandar.m.mail@gmail.com
Subject: [RFC PATCH v2 10/67] Hexagon instruction and packet types
Date: Fri, 28 Feb 2020 10:43:06 -0600 [thread overview]
Message-ID: <1582908244-304-11-git-send-email-tsimpson@quicinc.com> (raw)
In-Reply-To: <1582908244-304-1-git-send-email-tsimpson@quicinc.com>
The insn_t and packet_t are the interface between instruction decoding and
TCG code generation
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
---
target/hexagon/insn.h | 133 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 133 insertions(+)
create mode 100644 target/hexagon/insn.h
diff --git a/target/hexagon/insn.h b/target/hexagon/insn.h
new file mode 100644
index 0000000..a80bcb9
--- /dev/null
+++ b/target/hexagon/insn.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright(c) 2019-2020 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_INSN_H
+#define HEXAGON_INSN_H
+
+#include "cpu.h"
+#include "hex_arch_types.h"
+#include "translate.h"
+
+#define INSTRUCTIONS_MAX 7 /* 2 pairs + loopend */
+#define REG_OPERANDS_MAX 5
+#define IMMEDS_MAX 2
+
+struct Instruction;
+
+typedef void (*semantic_insn_t)(CPUHexagonState *env,
+ DisasContext *ctx,
+ struct Instruction *insn);
+
+struct Instruction {
+ semantic_insn_t generate; /* pointer to genptr routine */
+ size1u_t regno[REG_OPERANDS_MAX]; /* reg operands including predicates */
+ size2u_t opcode;
+
+ size4u_t iclass:6;
+ size4u_t slot:3;
+ size4u_t part1:1; /*
+ * cmp-jumps are split into two insns.
+ * set for the compare and clear for the jump
+ */
+ size4u_t extension_valid:1; /* Has a constant extender attached */
+ size4u_t which_extended:1; /* If has an extender, which immediate */
+ size4u_t is_dcop:1; /* Is a dcacheop */
+ size4u_t is_dcfetch:1; /* Has an A_DCFETCH attribute */
+ size4u_t is_load:1; /* Has A_LOAD attribute */
+ size4u_t is_store:1; /* Has A_STORE attribute */
+ size4u_t is_memop:1; /* Has A_MEMOP attribute */
+ size4u_t is_dealloc:1; /* Is a dealloc return or dealloc frame */
+ size4u_t is_aia:1; /* Is a post increment */
+ size4u_t is_endloop:1; /* This is an end of loop */
+ size4u_t is_2nd_jump:1; /* This is the second jump of a dual-jump packet */
+ size4u_t new_value_producer_slot:4;
+ size4s_t immed[IMMEDS_MAX]; /* immediate field */
+};
+
+typedef struct Instruction insn_t;
+
+struct Packet {
+ size2u_t num_insns;
+ size2u_t encod_pkt_size_in_bytes;
+
+ /* Pre-decodes about LD/ST */
+ size8u_t single_load:1;
+ size8u_t dual_load:1;
+ size8u_t single_store:1;
+ size8u_t dual_store:1;
+ size8u_t load_and_store:1;
+ size8u_t memop_or_nvstore:1;
+
+ /* Pre-decodes about COF */
+ size8u_t pkt_has_cof:1; /* Has any change-of-flow */
+ size8u_t pkt_has_dual_jump:1;
+ size8u_t pkt_has_initloop:1;
+ size8u_t pkt_has_initloop0:1;
+ size8u_t pkt_has_initloop1:1;
+ size8u_t pkt_has_endloop:1;
+ size8u_t pkt_has_endloop0:1;
+ size8u_t pkt_has_endloop1:1;
+ size8u_t pkt_has_endloop01:1;
+ size8u_t pkt_has_call:1;
+ size8u_t pkt_has_jumpr:1;
+ size8u_t pkt_has_cjump:1;
+ size8u_t pkt_has_cjump_dotnew:1;
+ size8u_t pkt_has_cjump_dotold:1;
+ size8u_t pkt_has_cjump_newval:1;
+ size8u_t pkt_has_duplex:1;
+ size8u_t pkt_has_payload:1; /* Contains a constant extender */
+ size8u_t pkt_has_dealloc_return:1;
+
+ /* Pre-decodes about SLOTS */
+ size8u_t slot0_valid:1;
+ size8u_t slot1_valid:1;
+ size8u_t slot2_valid:1;
+ size8u_t slot3_valid:1;
+
+ /* When a predicate cancels something, track that */
+ size8u_t pkt_has_fp_op:1;
+ size8u_t pkt_has_fpsp_op:1;
+ size8u_t pkt_has_fpdp_op:1;
+
+ /* Contains a cacheop */
+ size8u_t pkt_has_cacheop:1;
+ size8u_t pkt_has_dczeroa:1;
+ size8u_t pkt_has_ictagop:1;
+ size8u_t pkt_has_icflushop:1;
+ size8u_t pkt_has_dcflushop:1;
+ size8u_t pkt_has_dctagop:1;
+ size8u_t pkt_has_l2flushop:1;
+ size8u_t pkt_has_l2tagop:1;
+
+ /* load store for slots */
+ size8u_t pkt_has_load_s0:1;
+ size8u_t pkt_has_load_s1:1;
+ size8u_t pkt_has_store_s0:1;
+ size8u_t pkt_has_store_s1:1;
+
+ /* Misc */
+ size8u_t num_rops:4; /* Num risc ops in the packet */
+ size8u_t pkt_access_count:2; /* Is a vmem access going to VTCM */
+ size8u_t pkt_ldaccess_l2:2; /* vmem ld access to l2 */
+ size8u_t pkt_ldaccess_vtcm:2; /* vmem ld access to vtcm */
+
+ insn_t insn[INSTRUCTIONS_MAX];
+};
+
+typedef struct Packet packet_t;
+
+#endif
--
2.7.4
next prev parent reply other threads:[~2020-02-28 16:56 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-28 16:42 [RFC PATCH v2 00/67] Hexagon patch series Taylor Simpson
2020-02-28 16:42 ` [RFC PATCH v2 01/67] Hexagon Maintainers Taylor Simpson
2020-02-28 16:42 ` [RFC PATCH v2 02/67] Hexagon README Taylor Simpson
2020-02-28 16:42 ` [RFC PATCH v2 03/67] Hexagon ELF Machine Definition Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 04/67] Hexagon CPU Scalar Core Definition Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 05/67] Hexagon register names Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 06/67] Hexagon Disassembler Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 07/67] Hexagon CPU Scalar Core Helpers Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 08/67] Hexagon GDB Stub Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 09/67] Hexagon architecture types Taylor Simpson
2020-02-28 16:43 ` Taylor Simpson [this message]
2020-02-28 16:43 ` [RFC PATCH v2 11/67] Hexagon register fields Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 12/67] Hexagon instruction attributes Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 13/67] Hexagon register map Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 14/67] Hexagon instruction/packet decode Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 15/67] Hexagon instruction printing Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 16/67] Hexagon arch import - instruction semantics definitions Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 17/67] Hexagon arch import - macro definitions Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 18/67] Hexagon arch import - instruction encoding Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 19/67] Hexagon instruction class definitions Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 20/67] Hexagon instruction utility functions Taylor Simpson
2020-04-09 18:53 ` Brian Cain
2020-04-09 20:22 ` Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 21/67] Hexagon generator phase 1 - C preprocessor for semantics Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 22/67] Hexagon generator phase 2 - qemu_def_generated.h Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 23/67] Hexagon generator phase 2 - qemu_wrap_generated.h Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 24/67] Hexagon generator phase 2 - opcodes_def_generated.h Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 25/67] Hexagon generator phase 2 - op_attribs_generated.h Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 26/67] Hexagon generator phase 2 - op_regs_generated.h Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 27/67] Hexagon generator phase 2 - printinsn-generated.h Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 28/67] Hexagon generator phase 3 - C preprocessor for decode tree Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 29/67] Hexagon generater phase 4 - Decode tree Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 30/67] Hexagon opcode data structures Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 31/67] Hexagon macros to interface with the generator Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 32/67] Hexagon macros referenced in instruction semantics Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 33/67] Hexagon instruction classes Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 34/67] Hexagon TCG generation helpers - step 1 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 35/67] Hexagon TCG generation helpers - step 2 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 36/67] Hexagon TCG generation helpers - step 3 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 37/67] Hexagon TCG generation helpers - step 4 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 38/67] Hexagon TCG generation helpers - step 5 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 39/67] Hexagon TCG generation - step 01 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 40/67] Hexagon TCG generation - step 02 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 41/67] Hexagon TCG generation - step 03 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 42/67] Hexagon TCG generation - step 04 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 43/67] Hexagon TCG generation - step 05 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 44/67] Hexagon TCG generation - step 06 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 45/67] Hexagon TCG generation - step 07 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 46/67] Hexagon TCG generation - step 08 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 47/67] Hexagon TCG generation - step 09 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 48/67] Hexagon TCG generation - step 10 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 49/67] Hexagon TCG generation - step 11 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 50/67] Hexagon TCG generation - step 12 Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 51/67] Hexagon translation Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 52/67] Hexagon Linux user emulation Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 53/67] Hexagon build infrastructure Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 54/67] Hexagon - Add Hexagon Vector eXtensions (HVX) to core definition Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 55/67] Hexagon HVX support in gdbstub Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 56/67] Hexagon HVX import instruction encodings Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 57/67] Hexagon HVX import semantics Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 58/67] Hexagon HVX import macro definitions Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 59/67] Hexagon HVX semantics generator Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 60/67] Hexagon HVX instruction decoding Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 61/67] Hexagon HVX instruction utility functions Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 62/67] Hexagon HVX macros to interface with the generator Taylor Simpson
2020-02-28 16:43 ` [RFC PATCH v2 63/67] Hexagon HVX macros referenced in instruction semantics Taylor Simpson
2020-02-28 16:44 ` [RFC PATCH v2 64/67] Hexagon HVX helper to commit vector stores (masked and scatter/gather) Taylor Simpson
2020-02-28 16:44 ` [RFC PATCH v2 65/67] Hexagon HVX TCG generation Taylor Simpson
2020-02-28 16:44 ` [RFC PATCH v2 66/67] Hexagon HVX translation Taylor Simpson
2020-02-28 16:44 ` [RFC PATCH v2 67/67] Hexagon HVX build infrastructure Taylor Simpson
2020-03-25 21:13 ` [RFC PATCH v2 00/67] Hexagon patch series Taylor Simpson
2020-04-30 20:53 ` Taylor Simpson
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