[target/riscv] support for smp group manipulation

this functionality allows to query if a target belongs to some smp group
and to dynamically turn on/off smp-specific behavior

Change-Id: I469453d95e7c1640a91bc60d80c854404e508535
Signed-off-by: Parshintsev Anatoly <anatoly.parshintsev@syntacore.com>
This commit is contained in:
Parshintsev Anatoly 2023-06-22 19:28:52 +03:00
parent a45589d60a
commit 2903daa9f1
2 changed files with 15 additions and 0 deletions

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@ -10812,6 +10812,18 @@ When utilizing version 0.11 of the RISC-V Debug Specification,
and DBUS registers, respectively.
@end deffn
@deffn {Command} {riscv smp} [on|off]
Display, enable or disable SMP handling mode. This command is needed only if
user wants to temporary @b{disable} SMP handling for an existing SMP group
(see @code{aarch64 smp} for additional information). To define an SMP
group the command @code{target smp} should be used.
@end deffn
@deffn {Command} {riscv smp_gdb} [core_id]
Display/set the current core displayed in GDB. This is needed only if
@code{riscv smp} was used.
@end deffn
@deffn {Command} {riscv use_bscan_tunnel} value
Enable or disable use of a BSCAN tunnel to reach the Debug Module. Supply the
width of the DM transport TAP's instruction register to enable. Supply a

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@ -4383,6 +4383,9 @@ static const struct command_registration riscv_command_handlers[] = {
.usage = "",
.chain = semihosting_common_handlers
},
{
.chain = smp_command_handlers
},
COMMAND_REGISTRATION_DONE
};