c4a9c5ee5e
cpu: align PC every step
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2024-06-13 03:54:46 +05:30
0029e302b2
cpu/arm: fix block data transfer
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2024-06-13 03:54:12 +05:30
08cc582f23
io: i really ought to be working on the ppu and apu by now
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2024-06-13 03:53:25 +05:30
933b622493
io(placeholder): add naive io structure
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2024-06-11 23:30:22 +05:30
8b80f818c6
cpu/psr(chore): minor change
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2024-06-11 23:29:05 +05:30
441665abad
cpu/arm: fix single data transfer
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2024-06-11 23:28:27 +05:30
1a2e101ebd
cpu/arm: fix branch and exchange
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2024-06-11 23:27:07 +05:30
f34efb183f
cpu: fix changing modes
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2024-06-11 23:26:02 +05:30
9e6b121918
cpu/thumb: fix pc relative load
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2024-06-11 23:22:34 +05:30
15c4802838
cpu/{arm|thumb}(chore): change how branch disassembly happens
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2024-06-11 23:21:39 +05:30
0062ad424b
chore: stage bunch of size_t to uint32_t
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2024-06-11 22:58:09 +05:30
028c80f6cb
comeback(?)
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2024-06-11 22:46:48 +05:30
174008f60c
memory: bus and rom should not be writeable
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so fix tests and shit
Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-10-05 00:21:18 +05:30
e0f7f32699
refactor: reorganize everything
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-10-04 01:41:38 +05:30
36d71a4ee2
thumb: add execution of instructions
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also arm: fix some instructions
Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-30 01:31:09 +05:30
03dbb7052f
nix: bump
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-30 01:30:44 +05:30
0f09874929
cpu: get rid of the test workaround
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now can we remove the pimpl?
Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-27 22:43:50 +05:30
03ebc6378a
clang: make linter happy
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-27 17:36:25 +05:30
5ec5e6dddc
thumb: add disassembler
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-27 17:31:00 +05:30
208527b7f8
thumb: initialise instruction formats
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-27 01:36:05 +05:30
6822e1255a
meson: make disassembler feature true by default
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-27 01:33:51 +05:30
bd91112509
refactor: make disassembler optional
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-27 01:31:32 +05:30
1baebd72f6
refactor: make cpu-impl private when not testing
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-27 01:25:47 +05:30
b55f6ee16b
refactor: replace fmt ostreams with stringify
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-27 01:24:32 +05:30
ed01ed80cd
tests: add tests for memory
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-24 18:04:28 +05:30
8e26cadc9a
chore: revert util/crypto
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-24 17:45:19 +05:30
6e56828dfd
tests/arm/exec: test conditions
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-24 17:38:11 +05:30
5fcc75bc9a
tests: add tests for internal utilities
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-24 17:36:38 +05:30
560bd5bfa1
tests: add tests for bus
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-23 23:20:05 +05:30
9cdfa90acc
memory: remove unused functions
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-23 21:58:41 +05:30
91a82eec7c
log: encapsulate logger
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-23 21:09:44 +05:30
c3bf8b0ae8
nix: add support to build with GCC
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-23 16:07:05 +05:30
6c33c77ef3
restructure: get rid of cpu/utility
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-23 14:15:23 +05:30
1e8966553f
chore: enclose everything in namespace matar
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-21 10:52:40 +05:30
1eb4a9545b
tests: complete exec tests (for now)
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-19 08:58:11 +05:30
fa96a4d09f
tests: add execution tests
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all but data processing
Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-18 18:23:52 +05:30
dd9dd5f116
tests: complete disassembler tests
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-17 09:50:32 +05:30
be7deb349a
tests: [WIP] add unit tests for some of the instructions
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-15 14:07:23 +05:30
aa96237c37
shifts are always immediate in single data transfer
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-15 10:24:23 +05:30
7fc6876264
[UNTESTED] complete initial disassembler structure for ARM
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-15 05:23:07 +05:30
169723275e
replace symlinks
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-14 11:25:44 +05:30
81afd67e0b
delete symlinks
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-14 11:14:36 +05:30
0b674c7c64
[UNTESTED] refactor how instructions are parsed
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-14 10:16:03 +05:30
3cf5cbd024
refactor: make linter happy
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also add a few unused coprocessor instructions
Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-14 01:19:41 +05:30
387f3c8f07
chore: minor changes
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-13 04:15:16 +05:30
8a04eade92
add a basic structure for disassembler + executor
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Instructions added
Branch and Exchange (BX)
Branch and Link (B)
Multiply and Accumulate (MUL, MLA)
Multiply Long and Accumulate (SMULL, SMLAL, UMULL, UMLAL)
Single data swap (SWP)
[WIP] Halfword Transfer (STRH, LDRH)
Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-13 03:44:36 +05:30
904e2b698e
add libfmt to replace current logging mechanism
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-13 03:43:24 +05:30
332f0b87d6
initialise a memory structure or smth
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-09-11 10:53:32 +05:30
84c68a4e00
initial cpu structure :thonk:
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Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-08-27 21:43:09 +05:30
ad64b1e8d1
add readme
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kms
Signed-off-by: Amneesh Singh <natto@weirdnatto.in >
2023-08-16 05:58:50 +05:30
