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[PULL 09/35] Hexagon (target/hexagon) GDB Stub
From: |
Richard Henderson |
Subject: |
[PULL 09/35] Hexagon (target/hexagon) GDB Stub |
Date: |
Wed, 17 Feb 2021 15:39:57 -0800 |
From: Taylor Simpson <tsimpson@quicinc.com>
GDB register read and write routines
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1612763186-18161-9-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/hexagon/internal.h | 2 ++
target/hexagon/gdbstub.c | 47 +++++++++++++++++++++++++++++++++++++++
2 files changed, 49 insertions(+)
create mode 100644 target/hexagon/gdbstub.c
diff --git a/target/hexagon/internal.h b/target/hexagon/internal.h
index c839796cd1..2da85c8606 100644
--- a/target/hexagon/internal.h
+++ b/target/hexagon/internal.h
@@ -28,6 +28,8 @@
#define HEX_DEBUG_LOG(...) do { } while (0)
#endif
+int hexagon_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
+int hexagon_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
void hexagon_debug(CPUHexagonState *env);
extern const char * const hexagon_regnames[TOTAL_PER_THREAD_REGS];
diff --git a/target/hexagon/gdbstub.c b/target/hexagon/gdbstub.c
new file mode 100644
index 0000000000..9c8c04c961
--- /dev/null
+++ b/target/hexagon/gdbstub.c
@@ -0,0 +1,47 @@
+/*
+ * 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 "qemu-common.h"
+#include "exec/gdbstub.h"
+#include "cpu.h"
+#include "internal.h"
+
+int hexagon_gdb_read_register(CPUState *cs, GByteArray *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();
+}
+
+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();
+}
--
2.25.1
- [PULL 00/35] hexagon initial commit, Richard Henderson, 2021/02/17
- [PULL 01/35] qemu/int128: Add int128_or, Richard Henderson, 2021/02/17
- [PULL 02/35] Hexagon Update MAINTAINERS file, Richard Henderson, 2021/02/17
- [PULL 03/35] Hexagon (target/hexagon) README, Richard Henderson, 2021/02/17
- [PULL 04/35] Hexagon (include/elf.h) ELF machine definition, Richard Henderson, 2021/02/17
- [PULL 05/35] Hexagon (target/hexagon) scalar core definition, Richard Henderson, 2021/02/17
- [PULL 06/35] Hexagon (disas) disassembler, Richard Henderson, 2021/02/17
- [PULL 07/35] Hexagon (target/hexagon) register names, Richard Henderson, 2021/02/17
- [PULL 10/35] Hexagon (target/hexagon) architecture types, Richard Henderson, 2021/02/17
- [PULL 09/35] Hexagon (target/hexagon) GDB Stub,
Richard Henderson <=
- [PULL 08/35] Hexagon (target/hexagon) scalar core helpers, Richard Henderson, 2021/02/17
- [PULL 11/35] Hexagon (target/hexagon) instruction and packet types, Richard Henderson, 2021/02/17
- [PULL 12/35] Hexagon (target/hexagon) register fields, Richard Henderson, 2021/02/17
- [PULL 13/35] Hexagon (target/hexagon) instruction attributes, Richard Henderson, 2021/02/17
- [PULL 14/35] Hexagon (target/hexagon) instruction/packet decode, Richard Henderson, 2021/02/17
- [PULL 15/35] Hexagon (target/hexagon) instruction printing, Richard Henderson, 2021/02/17
- [PULL 16/35] Hexagon (target/hexagon/arch.[ch]) utility functions, Richard Henderson, 2021/02/17
- [PULL 17/35] Hexagon (target/hexagon/conv_emu.[ch]) utility functions, Richard Henderson, 2021/02/17
- [PULL 18/35] Hexagon (target/hexagon/fma_emu.[ch]) utility functions, Richard Henderson, 2021/02/17
- [PULL 19/35] Hexagon (target/hexagon/imported) arch import, Richard Henderson, 2021/02/17