[PATCH v2 07/10] gdbstub: Add support for MTE in system mode

From: Gustavo Romero <gustavo.romero(a)linaro.org&gt; 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(a)linaro.org&gt; Reviewed-by: Richard Henderson <richard.henderson(a)linaro.org&gt; Message-Id: <20240906143316.657436-3-gustavo.romero(a)linaro.org&gt; [AJB: add #ifdef CONFIG_TCG guards] Signed-off-by: Alex Bennée <alex.bennee(a)linaro.org&gt; --- v2 - while we enable system mode it is still TCG only so added guards to handle the --disable-tcg case (native KVM and Xen builds) --- target/arm/gdbstub64.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/target/arm/gdbstub64.c b/target/arm/gdbstub64.c index 85a19c14c7..1a4dbec567 100644 --- a/target/arm/gdbstub64.c +++ b/target/arm/gdbstub64.c @@ -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+"); -- 2.39.2