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(BIG CHANGE) memory handling has changed, MMIO is now a 2 level page table, misaligned access supported, addresses not internally split to page and offset immediately, all load/store instructions implemented. Might still have bugs

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taitep
2025-12-26 14:20:27 +01:00
parent 6d9efb7eb8
commit 528b519ce9
9 changed files with 478 additions and 456 deletions
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README.md
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@@ -12,10 +12,10 @@ The emulator will load a raw binary image or static ELF executable from a file s
which starts at 0x80000000 and is currently 16MiB,
and start execution at the start of the image/ram or the ELF entry point.
There is also a debug out page starting at `0x00000000`-`0x00001000`.
There is also a debug out section at `0x00000000`-`0x00010000`.
Anything written to it will be logged out in hex.
There is also a UART at `0x00001000`-`0x00002000`, the interface is quite simple:
There is also a UART at `0x00010000`-`0x00010002`, the interface is quite simple:
- byte `0`: Data. When written, writes out the character
When read, reads a character from the buffer, or 0 if empty.
- byte `1`: Status. Read-only. Least significant bit is `TX_READY` and indicates whether