Bug 414 - debug port needed (JTAG, other frontend)
Summary: debug port needed (JTAG, other frontend)
Alias: None
Product: Libre-SOC's first SoC
Classification: Unclassified
Component: Source Code (show other bugs)
Version: unspecified
Hardware: Other Linux
: High enhancement
Assignee: Luke Kenneth Casson Leighton
Depends on: 447 493
Blocks: 383 412
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Reported: 2020-07-05 02:41 BST by Luke Kenneth Casson Leighton
Modified: 2021-04-20 14:48 BST (History)
1 user (show)

See Also:
NLnet milestone: NLNet.2019.10.043.Wishbone
total budget (EUR) for completion of task and all subtasks: 250
budget (EUR) for this task, excluding subtasks' budget: 250
parent task for budget allocation: 383
child tasks for budget allocation:
The table of payments (in EUR) for this task; TOML format:
"lkcl"={amount=250, paid=2020-08-21}


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Description Luke Kenneth Casson Leighton 2020-07-05 02:41:54 BST
A debug interface is needed with single step, read/write regfiles etc.
Comment 1 Luke Kenneth Casson Leighton 2020-08-01 18:12:51 BST
microwatt has DMI which is needed to do side by side instruction running and comparison.
Comment 2 Luke Kenneth Casson Leighton 2020-08-03 18:41:11 BST
converted microwatt core_debug and added a link to it in issuer.  start, stop reset work.

todo: pc, msr, gprs.