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Hexagon (target/hexagon) GDB Stub

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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>
This commit is contained in:
Taylor Simpson 2021-02-07 23:45:58 -06:00 committed by Richard Henderson
parent b5ed786fec
commit 9def75f915
2 changed files with 49 additions and 0 deletions
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47
target/hexagon/gdbstub.c Normal file
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@ -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
target/hexagon/internal.h
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@ -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];