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test(bios): integrate pinned BIOS read-protection baseline

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Add --suite bios with hash-verified upstream files and the ARM evaluation checkpoint at 0x08000248. Preserve the r12=0 assertion, original BIOS boot, and all test bytes. Add synthetic adapter and CLI regressions.

On Darwin arm64 the public ROM fails test 1 in debug and release after 64 steps and 543 nominal cycles. Document that this tests protected reads of Nintendo firmware opcodes, not general BIOS service compatibility. Online and offline preparation agree; 39 Python tests pass. Core behavior is unchanged.
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0xrsydn 2026-10-05 21:31:04 +07:00
commit 6e736c634b
11 changed files with 143 additions and 8 deletions
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docs/references.md
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@ -68,6 +68,7 @@ Hardware references used for the core:
- [Pinned jsmolka Thumb entry](https://github.com/jsmolka/gba-tests/blob/a7113b67e63f83a9b321696ddd7042ccfad6c881/thumb/thumb.asm), [branch tests](https://github.com/jsmolka/gba-tests/blob/a7113b67e63f83a9b321696ddd7042ccfad6c881/thumb/branches.asm), and [memory tests](https://github.com/jsmolka/gba-tests/blob/a7113b67e63f83a9b321696ddd7042ccfad6c881/thumb/memory.asm), reviewed for r7 failure IDs, success-marker reset, the Thumb-to-ARM evaluation bridge, and empty-list transfer expectations.
- [Pinned jsmolka memory entry](https://github.com/jsmolka/gba-tests/blob/a7113b67e63f83a9b321696ddd7042ccfad6c881/memory/memory.asm), [mirror tests](https://github.com/jsmolka/gba-tests/blob/a7113b67e63f83a9b321696ddd7042ccfad6c881/memory/mirrors.asm), and [video-byte tests](https://github.com/jsmolka/gba-tests/blob/a7113b67e63f83a9b321696ddd7042ccfad6c881/memory/video_strb.asm), reviewed for the r12 checkpoint, binary exit targets, limited byte-write assertions, and mode-selection caveats.
- [gbadoc memory layout](https://gbadev.net/gbadoc/memory.html), consulted for VRAM mirror ranges alongside GBATEK's video-memory layout and byte-write rules.
- [Pinned jsmolka BIOS test](https://github.com/jsmolka/gba-tests/blob/a7113b67e63f83a9b321696ddd7042ccfad6c881/bios/bios.asm), reviewed for the r12 evaluation checkpoint, internal VBlank wait, and Nintendo-firmware-specific protected-read expectations after boot, SWI, and IRQ.
- [armwrestler-gba-fixed](https://github.com/destoer/armwrestler-gba-fixed) and [arm7wrestler](https://github.com/Arisotura/arm7wrestler), considered as test sources; not integrated.
- [SingleStepTests ARM7TDMI](https://github.com/SingleStepTests/ARM7TDMI), considered as an experimental, emulator-generated test source; not integrated.
- [GBATEK ARM single data transfers](https://problemkaputt.de/gbatek-arm-opcodes-memory-single-data-transfer-ldr-str-pld.htm), for address calculation, indexing, load extension, and nominal timing.