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Add basic V_COMMON exception handler #22

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Add basic V_COMMON exception handler #22

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zachary-cauchi
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  • Adds a basic exception handler to all V_COMMON exceptions.
  • Add basic panic handler which prints all COP0 register values and halts.
  • Modify linkfile to specify memory locations for sections.
  • Fix error messages in VSCode.
  • Add sleep_thread syscall.
  • Add saving of EE registers in exception handler before passing to Rust-level handler.
  • Remove deprecated r0 crate.

Partially addresses #20.

@zachary-cauchi
feat(hello-rs): Add elf-named bin target
c68ae64
@zachary-cauchi
feat(prussia_rt): Add base panic handler
de7f89d
@zachary-cauchi
fix(hello-rs): Change .elf target to makefile
2033901
@zachary-cauchi
feat(prussia_rt): Add cop0 core dump on panic
5ddf33b
@zachary-cauchi
feat(prussia_rt): Add event enums to coredump
080c7e9
@zachary-cauchi
feat(linkfile): Restructure linkfile to use MEMORY regions
2f3c220
@zachary-cauchi
feat(prussia_rt): Add base working exception handler
1271ccc
@zachary-cauchi
feat(prussia_rt): Add common cause parsing
6056cac
@zachary-cauchi
feat(prussia_rt): Add V_COMMON jump table and handler
f0991bf
@zachary-cauchi
feat(prussia_rt): Move v_common exc handling to own file
8c21d14
@zachary-cauchi
fix(prussia_rt): Minor warnings
d5a6219
@zachary-cauchi
feat(prussia_rt): Add syscall exc handler and init_handlers fn
40aa4f9
@zachary-cauchi
feat: Add renaming of bin file to elf
20647c1
@zachary-cauchi
feat(prussia_rt): Remove archived r0 crate
75dd09b
@zachary-cauchi
feat(prussia_bios): Add sleep_thread syscall
aa3df1c
@zachary-cauchi
fix: rust clippy checking all targets
47e5ddb
@zachary-cauchi
feat(prussia_rt): Improve syscall exception handler
0a53afa
@zachary-cauchi
feat(prussia_debug): Add println_ee macro
c72e7ea
@zachary-cauchi
feat(prussia_rt): Add overflow exception handler
d4779a7
@zachary-cauchi
feat(prussia_rt): Add tcb struct for register inspection
2fced56
@zachary-cauchi
feat(prussia_rt): Add Address Load exception handler
4062baa
@zachary-cauchi
feat(prussia_rt): Add address store exc handler
8899068
@zachary-cauchi
feat(prussia_rt): Add bus error exception handlers
6e855a4
@zachary-cauchi
feat(prussia_rt): Trigger reserved instruction exception
fc40988
@zachary-cauchi
feat(prussia_rt): Add cop unusable exception handler
d3ef5d0
@zachary-cauchi
feat(prussia_rt): Add trap exception handler
7797d7b
@zachary-cauchi
feat(prussia_rt): Improve unknwon err handler
9200178
@zachary-cauchi
feat(prussia_rt): Add TLB Modified exception handler
4ab0dd3
@zachary-cauchi
feat(prussia_rt): Add TLB Invalid exception handlers
2bc8f55
@zachary-cauchi zachary-cauchi linked an issue Oct 26, 2024 that may be closed by this pull request
Create a basic exception-handler #20
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@Ravenslofty
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I am unfortunately away from keyboard for like another week, so I probably won't be able to review this until then. If feasible, could you ping me in a week?

Ravenslofty
Ravenslofty requested changes Oct 27, 2024
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I suspect the ghost of provenance will haunt us for some time...

prussia_rt/src/cop0.rs Outdated Show resolved Hide resolved
prussia_rt/src/cop0.rs Outdated Show resolved Hide resolved
prussia_rt/src/cop0.rs Outdated Show resolved Hide resolved
prussia_rt/src/exceptions/v_common.rs Outdated Show resolved Hide resolved
prussia_rt/src/exceptions/v_common/overflow.rs

use crate::{cop0::CoP0Dump, thread::ThreadControlBlock};

/// Purposefully trigger an overflow exception. For testing purposes.
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(thankfully, these went out of style)

prussia_rt/src/lib.rs Outdated Show resolved Hide resolved
prussia_rt/src/panic.rs Outdated Show resolved Hide resolved
prussia_rt/src/routines.S Outdated Show resolved Hide resolved
prussia_rt/src/routines.S Outdated Show resolved Hide resolved
prussia_rt/src/thread.rs
/// jumping to an exception handler.
#[repr(C)]
pub(crate) struct ThreadControlBlock {
pub at: u64,
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I can't remember, is this from my code? If it was, it's technically incorrect because the GPRs are actually 128-bit wide...

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No, I started with 64-bit because that was the only way to keep the compiler and linker happy for some reason. I've now been trying to rewrite it with 128-bit fields but I can't quite figure out why it's failing to run properly. I've done all sorts of tricks but it always results in TLB Misses. I'll continue debugging it and try get it done.

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I don't suppose you have an IM platform I could talk to you on?

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If you'd like, I'm on Signal and Discord. Alternatively, is there any other platform that you'd prefer?

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Signal would be perfect. I'm ravenslofty.79

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Create a basic exception-handler
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@zachary-cauchi @Ravenslofty