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11,746 Commits 8 Branches 121 Tags 496 MiB
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49 Commits

Author SHA1 Message Date
Thomas Harte
5da01e4fd8 Add potential short-circuit. 2024-04-29 22:45:30 -04:00
Thomas Harte
becb6ce2e0 Fix two more not-really-an-issue warnings. 2024-04-23 22:20:13 -04:00
Thomas Harte
56b65780d2 Avoid loading nonsense value upon data abort. 2024-04-22 22:09:57 -04:00
Thomas Harte
e6c4454059 Provide a means for SWI interception. 2024-04-18 22:13:58 -04:00
Thomas Harte
d464ce831a Add did_set_pc. 2024-04-18 19:30:07 -04:00
Thomas Harte
07984a2f8b Resolve various warnings. 2024-04-17 22:15:05 -04:00
Thomas Harte
4f58664f97 Catch interrupt enables. 2024-04-07 22:08:12 -04:00
Thomas Harte
7d8a364658 Reimplement LDM and STM. 2024-04-04 21:59:18 -04:00
Thomas Harte
b19dcfd6dc Take another run at shifts. 2024-04-02 21:57:46 -04:00
Thomas Harte
7c9715f00c Change mind about carry behaviour. 2024-04-01 21:38:44 -04:00
Thomas Harte
7de92a9457 Slightly clean up shift code. 2024-04-01 21:24:49 -04:00
Thomas Harte
2e7c1acb88 Add note on confusion. 2024-03-28 10:34:46 -04:00
Thomas Harte
4fcb85d132 Cleave off most remaining reasons for failure. 2024-03-28 10:32:27 -04:00
Thomas Harte
72a645ec1e Fix trans; take further crack at MEMC permissions. 2024-03-25 15:50:59 -04:00
Thomas Harte
521fca6089 Expose full bus to IOC dependents; add notes. 2024-03-25 11:07:44 -04:00
Thomas Harte
9ea3e547ee Fix IRQ/FIQ return addresses. 2024-03-22 21:42:34 -04:00
Thomas Harte
ae6cf69449 Move responsibility for clock division; reinstate vsync interrupt. 2024-03-22 10:01:34 -04:00
Thomas Harte
bc27e3998d Fix downward block data transfers. 2024-03-14 21:09:51 -04:00
Thomas Harte
c6b91559e1 Attempt to wire up timer interrupts. 2024-03-12 11:34:31 -04:00
Thomas Harte
6efc41ded7 Come to conclusion on R15; fix link values. 2024-03-12 10:42:09 -04:00
Thomas Harte
e9c5582fe1 Add note on ambiguity to be resolved. 2024-03-12 10:04:02 -04:00
Thomas Harte
8b3c0abe93 Take another swing at R15 as a destination. 2024-03-12 09:13:05 -04:00
Thomas Harte
971bfb2ecb Unify subtractions. 2024-03-11 14:52:48 -04:00
Thomas Harte
e8c1e8fd3f Fix RSB carry; unify set_pc. 2024-03-11 14:48:43 -04:00
Thomas Harte
830d70d3aa Trust tests on immediate-opcode ROR 0; limit shift by register. 2024-03-10 23:38:31 -04:00
Thomas Harte
336292bc49 Further correct R15 as a destination. 2024-03-10 22:56:02 -04:00
Thomas Harte
bd62228cc6 The test set doesn't seem to do word rotation. 2024-03-10 22:40:37 -04:00
Thomas Harte
e9e1db7a05 Change LDR writeback to destination. 2024-03-10 22:29:19 -04:00
Thomas Harte
fbc273f114 Add invented model for tests. 2024-03-10 21:45:56 -04:00
Thomas Harte
a4cf86268e Provide full access to stored registers. 2024-03-09 15:11:04 -05:00
Thomas Harte
fdef8901ab Double down on uint32_t. 2024-03-08 14:13:34 -05:00
Thomas Harte
fa8fcd2218 Take another swing at popcount. 2024-03-07 14:28:31 -05:00
Thomas Harte
2a36d0fcbc Adjust user-mode test. 2024-03-07 14:00:38 -05:00
Thomas Harte
0e92885ed5 Fix ad hoc popcount; ARM does carry 'backwards'. 2024-03-07 13:27:41 -05:00
Thomas Harte
a0f0f73bde Fix MOV as unconditional branch. 2024-03-07 10:31:26 -05:00
Thomas Harte
108a056f1c Execution now runs into a prefetch abort loop. 2024-03-06 15:05:24 -05:00
Thomas Harte
ba5f142515 Take further stab at TEQ PC, etc. 2024-03-05 10:55:44 -05:00
Thomas Harte
ed586e80bc Don't write to the PC with logical operations. 2024-03-05 09:32:35 -05:00
Thomas Harte
230e9c6327 Obscure active. 2024-03-03 21:43:30 -05:00
Thomas Harte
11c4d2f09e Add further exposition. 2024-03-03 21:38:27 -05:00
Thomas Harte
f2db1b4aae Merge branch 'TiedDown' into PositiveExpression 2024-03-03 21:31:26 -05:00
Thomas Harte
b42a6e447d Tie down more corners. 2024-03-03 21:29:53 -05:00
Thomas Harte
9fd7d5c10f Switch test and meaning. 2024-03-03 14:34:21 -05:00
Thomas Harte
4e7963ee81 Clarify PC semantics; remove faulty underscore. 2024-03-03 14:11:02 -05:00
Thomas Harte
62da0dee7f Unify reads. 2024-03-02 23:15:17 -05:00
Thomas Harte
1663d3d9d1 Introduce disaster of an attempted test run. 2024-03-02 22:40:12 -05:00
Thomas Harte
37499d493a Fix model name. 2024-03-02 21:47:09 -05:00
Thomas Harte
e6f77a9b80 Add logical right-shift tests. 2024-03-01 18:06:54 -05:00
Thomas Harte
42ba6d1281 Relocate execution code appropriately. 2024-03-01 15:02:47 -05:00