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author | Taylor Simpson <tsimpson@quicinc.com> | 2021-02-07 23:45:58 -0600 |
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committer | Richard Henderson <richard.henderson@linaro.org> | 2021-02-18 07:48:22 -0800 |
commit | 9def75f915370e08a61776b7692b17e2447d1224 (patch) | |
tree | d98d10b6665b1501ebae746c64b9fef80b9cf74a /target | |
parent | b5ed786fec896755c30dc60f4804f4f257a3f6a4 (diff) | |
download | qemu-9def75f915370e08a61776b7692b17e2447d1224.zip qemu-9def75f915370e08a61776b7692b17e2447d1224.tar.gz qemu-9def75f915370e08a61776b7692b17e2447d1224.tar.bz2 |
Hexagon (target/hexagon) GDB Stub
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>
Diffstat (limited to 'target')
-rw-r--r-- | target/hexagon/gdbstub.c | 47 | ||||
-rw-r--r-- | target/hexagon/internal.h | 2 |
2 files changed, 49 insertions, 0 deletions
diff --git a/target/hexagon/gdbstub.c b/target/hexagon/gdbstub.c new file mode 100644 index 0000000..9c8c04c --- /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(); +} diff --git a/target/hexagon/internal.h b/target/hexagon/internal.h index c839796..2da85c8 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]; |