Signed-off-by: Taylor Simpson <tsimp...@quicinc.com>
---
 target/hexagon/printinsn.c | 93 ++++++++++++++++++++++++++++++++++++++++++++++
 target/hexagon/printinsn.h | 26 +++++++++++++
 2 files changed, 119 insertions(+)
 create mode 100644 target/hexagon/printinsn.c
 create mode 100644 target/hexagon/printinsn.h

diff --git a/target/hexagon/printinsn.c b/target/hexagon/printinsn.c
new file mode 100644
index 0000000..cb1004b
--- /dev/null
+++ b/target/hexagon/printinsn.c
@@ -0,0 +1,93 @@
+/*
+ *  Copyright (c) 2019 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 <stdio.h>
+#include <string.h>
+#include "qemu/osdep.h"
+#include "opcodes.h"
+#include "printinsn.h"
+#include "insn.h"
+#include "macros.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 + NUM_GEN_REGS);
+}
+
+static void snprintinsn(char *buf, int n, insn_t * 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(char *buf, int n, packet_t * pkt)
+{
+    char tmpbuf[128];
+    buf[0] = '\0';
+    int i, slot, opcode;
+
+    if (pkt == NULL) {
+        snprintf(buf, n, "<printpkt: NULL ptr>");
+        return;
+    }
+
+    if (pkt->num_insns > 1) {
+        strncat(buf, "\n{\n", n);
+    }
+    for (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);
+    }
+}
+
diff --git a/target/hexagon/printinsn.h b/target/hexagon/printinsn.h
new file mode 100644
index 0000000..64af75c
--- /dev/null
+++ b/target/hexagon/printinsn.h
@@ -0,0 +1,26 @@
+/*
+ *  Copyright (c) 2019 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 PRINTINSN_H
+#define PRINTINSN_H
+
+#include <stdio.h>
+#include "insn.h"
+
+extern void snprint_a_pkt(char *buf, int n, packet_t *pkt);
+
+#endif
-- 
2.7.4

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