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[RFC PATCH 07/66] Hexagon GDB Stub
From: |
Taylor Simpson |
Subject: |
[RFC PATCH 07/66] Hexagon GDB Stub |
Date: |
Mon, 10 Feb 2020 18:39:45 -0600 |
GDB register read and write routines
Signed-off-by: Taylor Simpson <address@hidden>
---
target/hexagon/cpu.c | 3 +++
target/hexagon/gdbstub.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 52 insertions(+)
create mode 100644 target/hexagon/gdbstub.c
diff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c
index 7a7fc89..26bf987 100644
--- a/target/hexagon/cpu.c
+++ b/target/hexagon/cpu.c
@@ -270,6 +270,9 @@ static void hexagon_cpu_class_init(ObjectClass *c, void
*data)
cc->dump_state = hexagon_dump_state;
cc->set_pc = hexagon_cpu_set_pc;
cc->synchronize_from_tb = hexagon_cpu_synchronize_from_tb;
+ cc->gdb_core_xml_file = "hexagon-core.xml";
+ cc->gdb_read_register = hexagon_gdb_read_register;
+ cc->gdb_write_register = hexagon_gdb_write_register;
cc->gdb_num_core_regs = TOTAL_PER_THREAD_REGS;
cc->gdb_stop_before_watchpoint = true;
cc->disas_set_info = hexagon_cpu_disas_set_info;
diff --git a/target/hexagon/gdbstub.c b/target/hexagon/gdbstub.c
new file mode 100644
index 0000000..f07cb9a
--- /dev/null
+++ b/target/hexagon/gdbstub.c
@@ -0,0 +1,49 @@
+/*
+ * 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 "qemu/osdep.h"
+#include "qemu-common.h"
+#include "exec/gdbstub.h"
+#include "cpu.h"
+#include "internal.h"
+
+int hexagon_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
+{
+ HexagonCPU *cpu = HEXAGON_CPU(cs);
+ CPUHexagonState *env = &cpu->env;
+
+ if (n < TOTAL_PER_THREAD_REGS) {
+ return gdb_get_regl(mem_buf, env->gpr[n]);
+ }
+
+ g_assert_not_reached();
+ return 0;
+}
+
+int hexagon_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
+{
+ HexagonCPU *cpu = HEXAGON_CPU(cs);
+ CPUHexagonState *env = &cpu->env;
+
+ if (n < TOTAL_PER_THREAD_REGS) {
+ env->gpr[n] = ldtul_p(mem_buf);
+ return sizeof(target_ulong);
+ }
+
+ g_assert_not_reached();
+ return 0;
+}
--
2.7.4
- [RFC PATCH 23/66] Hexagon generator phase 2 - opcodes_def_generated.h, (continued)
- [RFC PATCH 23/66] Hexagon generator phase 2 - opcodes_def_generated.h, Taylor Simpson, 2020/02/10
- [RFC PATCH 12/66] Hexagon register map, Taylor Simpson, 2020/02/10
- [RFC PATCH 05/66] Hexagon Disassembler, Taylor Simpson, 2020/02/10
- [RFC PATCH 10/66] Hexagon register fields, Taylor Simpson, 2020/02/10
- [RFC PATCH 20/66] Hexagon generator phase 1 - C preprocessor for semantics, Taylor Simpson, 2020/02/10
- [RFC PATCH 03/66] Hexagon CPU Scalar Core Definition, Taylor Simpson, 2020/02/10
- [RFC PATCH 18/66] Hexagon instruction class definitions, Taylor Simpson, 2020/02/10
- [RFC PATCH 07/66] Hexagon GDB Stub,
Taylor Simpson <=
- [RFC PATCH 09/66] Hexagon architecture types, Taylor Simpson, 2020/02/10
- [RFC PATCH 14/66] Hexagon instruction printing, Taylor Simpson, 2020/02/10
- [RFC PATCH 08/66] Hexagon instruction and packet types, Taylor Simpson, 2020/02/10
- [RFC PATCH 26/66] Hexagon generator phase 2 - printinsn-generated.h, Taylor Simpson, 2020/02/10
- [RFC PATCH 06/66] Hexagon CPU Scalar Core Helpers, Taylor Simpson, 2020/02/10
- [RFC PATCH 24/66] Hexagon generator phase 2 - op_attribs_generated.h, Taylor Simpson, 2020/02/10
- [RFC PATCH 25/66] Hexagon generator phase 2 - op_regs_generated.h, Taylor Simpson, 2020/02/10
- [RFC PATCH 11/66] Hexagon instruction attributes, Taylor Simpson, 2020/02/10