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[RFC PATCH v5 14/33] Hexagon (target/hexagon) instruction printing
From: |
Taylor Simpson |
Subject: |
[RFC PATCH v5 14/33] Hexagon (target/hexagon) instruction printing |
Date: |
Thu, 29 Oct 2020 18:58:31 -0500 |
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
---
target/hexagon/printinsn.h | 28 ++++++++
target/hexagon/printinsn.c | 158 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 186 insertions(+)
create mode 100644 target/hexagon/printinsn.h
create mode 100644 target/hexagon/printinsn.c
diff --git a/target/hexagon/printinsn.h b/target/hexagon/printinsn.h
new file mode 100644
index 0000000..0e629b2
--- /dev/null
+++ b/target/hexagon/printinsn.h
@@ -0,0 +1,28 @@
+/*
+ * 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_PRINTINSN_H
+#define HEXAGON_PRINTINSN_H
+
+#include "qemu/osdep.h"
+#include "insn.h"
+
+extern void snprint_a_pkt_disas(char *buf, int n, Packet *pkt, uint32_t *words,
+ target_ulong pc);
+extern void snprint_a_pkt_debug(char *buf, int n, Packet *pkt);
+
+#endif
diff --git a/target/hexagon/printinsn.c b/target/hexagon/printinsn.c
new file mode 100644
index 0000000..8315d56
--- /dev/null
+++ b/target/hexagon/printinsn.c
@@ -0,0 +1,158 @@
+/*
+ * 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/>.
+ */
+
+#include "qemu/osdep.h"
+#include "opcodes.h"
+#include "printinsn.h"
+#include "insn.h"
+#include "reg_fields.h"
+#include "internal.h"
+
+static const char *sreg2str(unsigned int reg)
+{
+ if (reg < TOTAL_PER_THREAD_REGS) {
+ return hexagon_regnames[reg];
+ } else {
+ return "???";
+ }
+}
+
+static const char *creg2str(unsigned int reg)
+{
+ return sreg2str(reg + HEX_REG_SA0);
+}
+
+static void snprintinsn(char *buf, int n, Insn * insn)
+{
+ switch (insn->opcode) {
+#define DEF_VECX_PRINTINFO(TAG, FMT, ...) DEF_PRINTINFO(TAG, FMT, __VA_ARGS__)
+#define DEF_PRINTINFO(TAG, FMT, ...) \
+ case TAG: \
+ snprintf(buf, n, FMT, __VA_ARGS__);\
+ break;
+#include "printinsn_generated.h"
+#undef DEF_VECX_PRINTINFO
+#undef DEF_PRINTINFO
+ }
+}
+
+void snprint_a_pkt_disas(char *buf, int n, Packet *pkt, uint32_t *words,
+ target_ulong pc)
+{
+ char tmpbuf[128];
+ buf[0] = '\0';
+ bool has_endloop0 = false;
+ bool has_endloop1 = false;
+ bool has_endloop01 = false;
+
+ for (int i = 0; i < pkt->num_insns; i++) {
+ if (pkt->insn[i].part1) {
+ continue;
+ }
+
+ /* We'll print the endloop's at the end of the packet */
+ if (pkt->insn[i].opcode == J2_endloop0) {
+ has_endloop0 = true;
+ continue;
+ }
+ if (pkt->insn[i].opcode == J2_endloop1) {
+ has_endloop1 = true;
+ continue;
+ }
+ if (pkt->insn[i].opcode == J2_endloop01) {
+ has_endloop01 = true;
+ continue;
+ }
+
+ snprintf(tmpbuf, 127, "0x" TARGET_FMT_lx "\t", words[i]);
+ strncat(buf, tmpbuf, n);
+
+ if (i == 0) {
+ strncat(buf, "{", n);
+ }
+
+ snprintinsn(tmpbuf, 127, &(pkt->insn[i]));
+ strncat(buf, "\t", n);
+ strncat(buf, tmpbuf, n);
+
+ if (i < pkt->num_insns - 1) {
+ /*
+ * Subinstructions are two instructions encoded
+ * in the same word. Print them on the same line.
+ */
+ if (GET_ATTRIB(pkt->insn[i].opcode, A_SUBINSN)) {
+ strncat(buf, "; ", n);
+ snprintinsn(tmpbuf, 127, &(pkt->insn[i + 1]));
+ strncat(buf, tmpbuf, n);
+ i++;
+ } else if (pkt->insn[i + 1].opcode != J2_endloop0 &&
+ pkt->insn[i + 1].opcode != J2_endloop1 &&
+ pkt->insn[i + 1].opcode != J2_endloop01) {
+ pc += 4;
+ snprintf(tmpbuf, 127, "\n0x" TARGET_FMT_lx ": ", pc);
+ strncat(buf, tmpbuf, n);
+ }
+ }
+ }
+ strncat(buf, " }", n);
+ if (has_endloop0) {
+ strncat(buf, " :endloop0", n);
+ }
+ if (has_endloop1) {
+ strncat(buf, " :endloop1", n);
+ }
+ if (has_endloop01) {
+ strncat(buf, " :endloop01", n);
+ }
+ strncat(buf, "\n", n);
+}
+
+void snprint_a_pkt_debug(char *buf, int n, Packet *pkt)
+{
+ char tmpbuf[128];
+ buf[0] = '\0';
+ int slot, opcode;
+
+ if (pkt->num_insns > 1) {
+ strncat(buf, "\n{\n", n);
+ }
+
+ for (int i = 0; i < pkt->num_insns; i++) {
+ if (pkt->insn[i].part1) {
+ continue;
+ }
+ snprintinsn(tmpbuf, 127, &(pkt->insn[i]));
+ strncat(buf, "\t", n);
+ strncat(buf, tmpbuf, n);
+
+ if (GET_ATTRIB(pkt->insn[i].opcode, A_SUBINSN)) {
+ strncat(buf, " //subinsn", n);
+ }
+ if (pkt->insn[i].extension_valid) {
+ strncat(buf, " //constant extended", n);
+ }
+ slot = pkt->insn[i].slot;
+ opcode = pkt->insn[i].opcode;
+ snprintf(tmpbuf, 127, " //slot=%d:tag=%s", slot, opcode_names[opcode]);
+ strncat(buf, tmpbuf, n);
+
+ strncat(buf, "\n", n);
+ }
+ if (pkt->num_insns > 1) {
+ strncat(buf, "}\n", n);
+ }
+}
--
2.7.4
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