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24 commits

Author SHA1 Message Date
Toby Jaffey
9596838a4b Recursive maze demo, causes big stack usage 2025-12-09 23:29:16 +00:00
Toby Jaffey
76fba39a21 Rework syscall ABI. 
Syscalls now accept two parameters, allowing for things like "int count = read(buf, len)"
Rather than providing safe signatures for syscalls, the user is now given helper functions to safely parse incoming values, c-strings and slices.
 2025-12-09 21:51:35 +00:00
Toby Jaffey
37a178aad7 Remove refs to old CSRs 2025-12-09 01:23:46 +00:00
Toby Jaffey
3cdc9ae0ca Default behaviour is to run to end of main 2025-12-09 01:19:09 +00:00
Toby Jaffey
d56f34dc4e Use cursors 2025-12-09 00:56:07 +00:00
Toby Jaffey
04e7aaef88 Exit on keypress 2025-12-09 00:54:22 +00:00
Toby Jaffey
b6f271ca5a Add newlines 2025-12-09 00:31:41 +00:00
Toby Jaffey
c37286cf01 Add "self", example of building uvm32 to run inside uvm32 
mandelbrot app is embedded in host-mini, which is then compiled to a .bin
 2025-12-08 23:54:14 +00:00
Toby Jaffey
7e7cabeb24 Prettier, better terminal handling, more variation 2025-12-08 21:41:51 +00:00
Toby Jaffey
ebb6518ec3 Lissajous, showing floating point arithmetic 2025-12-08 21:20:57 +00:00
Toby Jaffey
6735b159ac Make syscall names closer to libc 2025-12-08 16:28:00 +00:00
Toby Jaffey
61fe0e8647 Rename ioreq to syscall 2025-12-08 12:26:47 +00:00
Toby Jaffey
274f347d90 Break console io example out into own app 2025-12-08 10:35:42 +00:00
Toby Jaffey
40e8795f3f Explain the hack better 2025-12-08 10:30:33 +00:00
Toby Jaffey
5b2c82b85e Fix for case sensitivity 2025-12-08 10:23:30 +00:00
Toby Jaffey
a88f3a1690 Workaround for Rust having different system for templating constants to GNU as. 
Having a separate file is ugly, but it allows for a single source of truth for constants
Works for C, asm, zig and rust.

https://stackoverflow.com/questions/79840723/shared-assembly-between-rust-and-c-using-preprocessor
 2025-12-08 10:13:53 +00:00
Toby Jaffey
2ccd3ac7f4 Trying to find some way to share constants 2025-12-08 09:55:47 +00:00
Toby Jaffey
7bf906f369 Rename .s to .S so preprocessor runs (https://stackoverflow.com/questions/33358825/gnu-assembler-preprocessor-define) 2025-12-08 02:45:38 +00:00
Toby Jaffey
751f068486 Rework host/target interface to use ecall and proper syscalls instead of CSRs 2025-12-08 02:44:38 +00:00
Toby Jaffey
c0711213ae Add console tetris demo 2025-12-07 21:02:22 +00:00
Toby Jaffey
d8a2faf732 Minimal assembly example 2025-12-07 10:45:11 +00:00
Toby Jaffey
30cf60561f Fibonacci sample 2025-12-07 01:00:52 +00:00
Toby Jaffey
3e4c87fa1d Rename emulator to host, for clarity 2025-12-06 22:37:10 +00:00
Toby Jaffey
c9d30b6d28 uvm32 initial version 2025-12-06 16:44:23 +00:00