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gdbstub: Add support for MTE in user mode

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This commit implements the stubs to handle the qIsAddressTagged,
qMemTag, and QMemTag GDB packets, allowing all GDB 'memory-tag'
subcommands to work with QEMU gdbstub on aarch64 user mode. It also
implements the get/set functions for the special GDB MTE register
'tag_ctl', used to control the MTE fault type at runtime.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Message-Id: <20240628050850.536447-11-gustavo.romero@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240705084047.857176-40-alex.bennee@linaro.org>
This commit is contained in:
Gustavo Romero 2024-07-05 09:40:46 +01:00 • committed by Alex Bennée
parent 3b6c27d8f2
commit f81198cefa
6 changed files with 288 additions and 1 deletions
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1
target/arm/cpu.c
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@ -2518,6 +2518,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
register_cp_regs_for_features(cpu);
arm_cpu_register_gdb_regs_for_features(cpu);
arm_cpu_register_gdb_commands(cpu);
init_cpreg_list(cpu);