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gdbstub: Add support for MTE in system mode 

This commit makes handle_q_memtag, handle_q_isaddresstagged, and
handle_Q_memtag stubs build for system mode, allowing all GDB
'memory-tag' subcommands to work with QEMU gdbstub on aarch64 system
mode.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/620
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240906143316.657436-3-gustavo.romero@linaro.org>
[AJB: add #ifdef CONFIG_TCG guards]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240910173900.4154726-8-alex.bennee@linaro.org>
This commit is contained in:
Gustavo Romero 2024-09-10 18:38:57 +01:00 committed by Alex Bennée
parent f611060531
commit 0298229ad6
1 changed files with 4 additions and 2 deletions
target/arm
gdbstub64.c

6
target/arm/gdbstub64.c
View File

@ -430,7 +430,9 @@ int aarch64_gdb_set_tag_ctl_reg(CPUState *cs, uint8_t *buf, int reg)
return 0;
#endif
}
#endif /* CONFIG_USER_ONLY */
#ifdef CONFIG_TCG
static void handle_q_memtag(GArray *params, void *user_ctx)
{
ARMCPU *cpu = ARM_CPU(user_ctx);
@ -600,13 +602,13 @@ static const GdbCmdParseEntry cmd_handler_table[NUM_CMDS] = {
.need_cpu_context = true
},
};
#endif /* CONFIG_USER_ONLY */
#endif /* CONFIG_TCG */
void aarch64_cpu_register_gdb_commands(ARMCPU *cpu, GString *qsupported,
GPtrArray *qtable, GPtrArray *stable)
{
#ifdef CONFIG_USER_ONLY
/* MTE */
#ifdef CONFIG_TCG
if (cpu_isar_feature(aa64_mte, cpu)) {
g_string_append(qsupported, ";memory-tagging+");