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Clarify dcsr.cause description about halt groups#1197

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lz-bro wants to merge 1 commit intoriscv:mainfrom
lz-bro:clarify-dcsr-cause-haltgroup
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Clarify dcsr.cause description about halt groups#1197
lz-bro wants to merge 1 commit intoriscv:mainfrom
lz-bro:clarify-dcsr-cause-haltgroup

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@lz-bro lz-bro commented Dec 11, 2025

when hen any hart in a halt group halts, dcsr.cause for Other harts in the halt group should be set to only 6. If dcsr.cause set to 3, can not reflect that the harts is in debug state passively and make a confuse when SMP group is in an inconsistent state.
relate PR: riscv-collab/riscv-openocd#1171

when hen any hart in a halt group halts, dcsr.cause
for Other harts in the halt group should be set to
only 6.
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