Implement GDB/LLDB compatible server #3
|
|
@ -28,6 +28,15 @@ dependencies = [
|
|||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "addr2line"
|
||||
version = "0.24.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dfbe277e56a376000877090da837660b4427aad530e3028d44e0bffe4f89a1c1"
|
||||
dependencies = [
|
||||
"gimli",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "adler2"
|
||||
version = "2.0.0"
|
||||
|
|
@ -388,6 +397,24 @@ dependencies = [
|
|||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "atoi"
|
||||
version = "2.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f28d99ec8bfea296261ca1af174f24225171fea9664ba9003cbebee704810528"
|
||||
dependencies = [
|
||||
"num-traits",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "atomic"
|
||||
version = "0.6.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8d818003e740b63afc82337e3160717f4f63078720a810b7b903e70a5d1d2994"
|
||||
dependencies = [
|
||||
"bytemuck",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "atomic-waker"
|
||||
version = "1.1.2"
|
||||
|
|
@ -400,6 +427,21 @@ version = "1.4.0"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
|
||||
|
||||
[[package]]
|
||||
name = "backtrace"
|
||||
version = "0.3.74"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8d82cb332cdfaed17ae235a638438ac4d4839913cc2af585c3c6746e8f8bee1a"
|
||||
dependencies = [
|
||||
"addr2line",
|
||||
"cfg-if",
|
||||
"libc",
|
||||
"miniz_oxide",
|
||||
"object",
|
||||
"rustc-demangle",
|
||||
"windows-targets 0.52.6",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "bindgen"
|
||||
version = "0.70.1"
|
||||
|
|
@ -1306,6 +1348,12 @@ dependencies = [
|
|||
"windows 0.58.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "gimli"
|
||||
version = "0.31.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
|
||||
|
||||
[[package]]
|
||||
name = "gl_generator"
|
||||
version = "0.14.0"
|
||||
|
|
@ -1707,11 +1755,19 @@ version = "3.1.0"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e2db585e1d738fc771bf08a151420d3ed193d9d895a36df7f6f8a9456b911ddc"
|
||||
|
||||
[[package]]
|
||||
name = "lazy_static"
|
||||
version = "1.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
|
||||
|
||||
[[package]]
|
||||
name = "lemur"
|
||||
version = "0.2.7"
|
||||
dependencies = [
|
||||
"anyhow",
|
||||
"atoi",
|
||||
"atomic",
|
||||
"bitflags 2.6.0",
|
||||
"bytemuck",
|
||||
"cc",
|
||||
|
|
@ -1724,6 +1780,7 @@ dependencies = [
|
|||
"egui-winit",
|
||||
"egui_extras",
|
||||
"gilrs",
|
||||
"hex",
|
||||
"image",
|
||||
"itertools",
|
||||
"num-derive",
|
||||
|
|
@ -1736,6 +1793,9 @@ dependencies = [
|
|||
"serde",
|
||||
"serde_json",
|
||||
"thread-priority",
|
||||
"tokio",
|
||||
"tracing",
|
||||
"tracing-subscriber",
|
||||
"wgpu",
|
||||
"windows 0.58.0",
|
||||
"winit",
|
||||
|
|
@ -1831,6 +1891,15 @@ dependencies = [
|
|||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "matchers"
|
||||
version = "0.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558"
|
||||
dependencies = [
|
||||
"regex-automata 0.1.10",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "memchr"
|
||||
version = "2.7.4"
|
||||
|
|
@ -1902,6 +1971,17 @@ dependencies = [
|
|||
"simd-adler32",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "mio"
|
||||
version = "1.0.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2886843bf800fba2e3377cff24abf6379b4c4d5c6681eaf9ea5b0d15090450bd"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"wasi",
|
||||
"windows-sys 0.52.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "naga"
|
||||
version = "23.1.0"
|
||||
|
|
@ -2005,6 +2085,16 @@ dependencies = [
|
|||
"minimal-lexical",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "nu-ansi-term"
|
||||
version = "0.46.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
|
||||
dependencies = [
|
||||
"overload",
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num-complex"
|
||||
version = "0.4.6"
|
||||
|
|
@ -2276,6 +2366,15 @@ dependencies = [
|
|||
"objc2-foundation",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "object"
|
||||
version = "0.36.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "62948e14d923ea95ea2c7c86c71013138b66525b86bdc08d2dcc262bdb497b87"
|
||||
dependencies = [
|
||||
"memchr",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "oboe"
|
||||
version = "0.6.1"
|
||||
|
|
@ -2336,6 +2435,12 @@ dependencies = [
|
|||
"pin-project-lite",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "overload"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
|
||||
|
||||
[[package]]
|
||||
name = "owned_ttf_parser"
|
||||
version = "0.25.0"
|
||||
|
|
@ -2629,8 +2734,17 @@ checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
|
|||
dependencies = [
|
||||
"aho-corasick",
|
||||
"memchr",
|
||||
"regex-automata",
|
||||
"regex-syntax",
|
||||
"regex-automata 0.4.9",
|
||||
"regex-syntax 0.8.5",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex-automata"
|
||||
version = "0.1.10"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
|
||||
dependencies = [
|
||||
"regex-syntax 0.6.29",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -2641,9 +2755,15 @@ checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908"
|
|||
dependencies = [
|
||||
"aho-corasick",
|
||||
"memchr",
|
||||
"regex-syntax",
|
||||
"regex-syntax 0.8.5",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex-syntax"
|
||||
version = "0.6.29"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
|
||||
|
||||
[[package]]
|
||||
name = "regex-syntax"
|
||||
version = "0.8.5"
|
||||
|
|
@ -2696,6 +2816,12 @@ dependencies = [
|
|||
"realfft",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rustc-demangle"
|
||||
version = "0.1.24"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
|
||||
|
||||
[[package]]
|
||||
name = "rustc-hash"
|
||||
version = "1.1.0"
|
||||
|
|
@ -2828,6 +2954,15 @@ dependencies = [
|
|||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "sharded-slab"
|
||||
version = "0.1.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
|
||||
dependencies = [
|
||||
"lazy_static",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "shlex"
|
||||
version = "1.3.0"
|
||||
|
|
@ -2918,6 +3053,16 @@ dependencies = [
|
|||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "socket2"
|
||||
version = "0.5.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c970269d99b64e60ec3bd6ad27270092a5394c4e309314b18ae3fe575695fbe8"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"windows-sys 0.52.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "spirv"
|
||||
version = "0.3.0+sdk-1.3.268.0"
|
||||
|
|
@ -3035,6 +3180,16 @@ dependencies = [
|
|||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thread_local"
|
||||
version = "1.1.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8b9ef9bad013ada3808854ceac7b46812a6465ba368859a37e2100283d2d719c"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"once_cell",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tiny-skia"
|
||||
version = "0.11.4"
|
||||
|
|
@ -3070,6 +3225,33 @@ dependencies = [
|
|||
"zerovec",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tokio"
|
||||
version = "1.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5cec9b21b0450273377fc97bd4c33a8acffc8c996c987a7c5b319a0083707551"
|
||||
dependencies = [
|
||||
"backtrace",
|
||||
"bytes",
|
||||
"libc",
|
||||
"mio",
|
||||
"pin-project-lite",
|
||||
"socket2",
|
||||
"tokio-macros",
|
||||
"windows-sys 0.52.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tokio-macros"
|
||||
version = "2.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "toml"
|
||||
version = "0.8.19"
|
||||
|
|
@ -3133,6 +3315,36 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
|||
checksum = "e672c95779cf947c5311f83787af4fa8fffd12fb27e4993211a84bdfd9610f9c"
|
||||
dependencies = [
|
||||
"once_cell",
|
||||
"valuable",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tracing-log"
|
||||
version = "0.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ee855f1f400bd0e5c02d150ae5de3840039a3f54b025156404e34c23c03f47c3"
|
||||
dependencies = [
|
||||
"log",
|
||||
"once_cell",
|
||||
"tracing-core",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tracing-subscriber"
|
||||
version = "0.3.19"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e8189decb5ac0fa7bc8b96b7cb9b2701d60d48805aca84a238004d665fcc4008"
|
||||
dependencies = [
|
||||
"matchers",
|
||||
"nu-ansi-term",
|
||||
"once_cell",
|
||||
"regex",
|
||||
"sharded-slab",
|
||||
"smallvec",
|
||||
"thread_local",
|
||||
"tracing",
|
||||
"tracing-core",
|
||||
"tracing-log",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -3243,6 +3455,12 @@ version = "1.11.0"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f8c5f0a0af699448548ad1a2fbf920fb4bee257eae39953ba95cb84891a0446a"
|
||||
|
||||
[[package]]
|
||||
name = "valuable"
|
||||
version = "0.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
|
||||
|
||||
[[package]]
|
||||
name = "vec_map"
|
||||
version = "0.8.2"
|
||||
|
|
|
|||
|
|
@ -9,6 +9,8 @@ edition = "2021"
|
|||
|
||||
[dependencies]
|
||||
anyhow = "1"
|
||||
atoi = "2"
|
||||
atomic = "0.6"
|
||||
bitflags = { version = "2", features = ["serde"] }
|
||||
bytemuck = { version = "1", features = ["derive"] }
|
||||
clap = { version = "4", features = ["derive"] }
|
||||
|
|
@ -20,6 +22,7 @@ egui-toast = { git = "https://github.com/urholaukkarinen/egui-toast.git", rev =
|
|||
egui-winit = "0.30"
|
||||
egui-wgpu = { version = "0.30", features = ["winit"] }
|
||||
gilrs = { version = "0.11", features = ["serde-serialize"] }
|
||||
hex = "0.4"
|
||||
image = { version = "0.25", default-features = false, features = ["png"] }
|
||||
itertools = "0.13"
|
||||
num-derive = "0.4"
|
||||
|
|
@ -32,6 +35,9 @@ rubato = "0.16"
|
|||
serde = { version = "1", features = ["derive"] }
|
||||
serde_json = "1"
|
||||
thread-priority = "1"
|
||||
tokio = { version = "1", features = ["io-util", "macros", "net", "rt", "sync"] }
|
||||
tracing = { version = "0.1", features = ["release_max_level_info"] }
|
||||
tracing-subscriber = { version = "0.3", features = ["env-filter"] }
|
||||
wgpu = "23"
|
||||
winit = { version = "0.30", features = ["serde"] }
|
||||
|
||||
|
|
|
|||
|
|
@ -5,7 +5,7 @@ A Virtual Boy emulator built around the shrooms-vb core. Written in Rust, using
|
|||
## Setup
|
||||
|
||||
Install the following dependencies:
|
||||
- `cargo`
|
||||
- `cargo` (via [rustup](https://rustup.rs/), the version from your package manager is too old)
|
||||
|
||||
Run
|
||||
```sh
|
||||
|
|
|
|||
|
|
@ -23,6 +23,10 @@ ENV PATH="/osxcross/bin:$PATH" \
|
|||
CXX_x86_64-apple-darwin="o64-clang++" \
|
||||
CC_aarch64-apple-darwin="oa64-clang" \
|
||||
CXX_aarch64-apple-darwin="o6a4-clang++" \
|
||||
SHROOMS_CFLAGS_x86_64-unknown-linux-gnu="-flto" \
|
||||
CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUSTFLAGS="-Clinker-plugin-lto -Clinker=clang -Clink-arg=-fuse-ld=lld" \
|
||||
SHROOMS_CFLAGS_x86_64-pc-windows-msvc="-flto" \
|
||||
CARGO_TARGET_X86_64_PC_WINDOWS_MSVC_RUSTFLAGS="-Lnative=/xwin/crt/lib/x86_64 -Lnative=/xwin/sdk/lib/um/x86_64 -Lnative=/xwin/sdk/lib/ucrt/x86_64 -Clinker-plugin-lto -Clink-arg=-fuse-ld=lld" \
|
||||
CARGO_TARGET_X86_64_PC_WINDOWS_MSVC_LINKER="lld-link-19" \
|
||||
CARGO_TARGET_X86_64_APPLE_DARWIN_LINKER="o64-clang" \
|
||||
CARGO_TARGET_X86_64_APPLE_DARWIN_AR="llvm-ar-19" \
|
||||
|
|
@ -30,5 +34,4 @@ ENV PATH="/osxcross/bin:$PATH" \
|
|||
CARGO_TARGET_AARCH64_APPLE_DARWIN_AR="llvm-ar-19" \
|
||||
CROSS_COMPILE="setting-this-to-silence-a-warning-" \
|
||||
RC_PATH="llvm-rc-19" \
|
||||
RUSTFLAGS="-Lnative=/xwin/crt/lib/x86_64 -Lnative=/xwin/sdk/lib/um/x86_64 -Lnative=/xwin/sdk/lib/ucrt/x86_64" \
|
||||
MACOSX_DEPLOYMENT_TARGET="14.5"
|
||||
|
|
|
|||
16
build.rs
16
build.rs
|
|
@ -8,13 +8,25 @@ fn main() -> Result<(), Box<dyn Error>> {
|
|||
}
|
||||
|
||||
println!("cargo::rerun-if-changed=shrooms-vb-core");
|
||||
cc::Build::new()
|
||||
|
||||
let mut builder = cc::Build::new();
|
||||
let _ = builder.try_flags_from_environment("SHROOMS_CFLAGS");
|
||||
let opt_level = if builder.get_compiler().is_like_msvc() {
|
||||
2
|
||||
} else {
|
||||
3
|
||||
};
|
||||
builder
|
||||
.include(Path::new("shrooms-vb-core/core"))
|
||||
.opt_level(2)
|
||||
.opt_level(opt_level)
|
||||
.flag_if_supported("-fno-strict-aliasing")
|
||||
.define("VB_LITTLE_ENDIAN", None)
|
||||
.define("VB_SIGNED_PROPAGATE", None)
|
||||
.define("VB_DIV_GENERIC", None)
|
||||
.define("VB_DIRECT_EXECUTE", "on_execute")
|
||||
.define("VB_DIRECT_FRAME", "on_frame")
|
||||
.define("VB_DIRECT_READ", "on_read")
|
||||
.define("VB_DIRECT_WRITE", "on_write")
|
||||
.file(Path::new("shrooms-vb-core/core/vb.c"))
|
||||
.compile("vb");
|
||||
|
||||
|
|
|
|||
46
src/app.rs
46
src/app.rs
|
|
@ -6,6 +6,7 @@ use egui::{
|
|||
ViewportCommand, ViewportId, ViewportInfo,
|
||||
};
|
||||
use gilrs::{EventType, Gilrs};
|
||||
use tracing::{error, warn};
|
||||
use winit::{
|
||||
application::ApplicationHandler,
|
||||
event::WindowEvent,
|
||||
|
|
@ -18,7 +19,7 @@ use crate::{
|
|||
emulator::{EmulatorClient, EmulatorCommand, SimId},
|
||||
input::MappingProvider,
|
||||
persistence::Persistence,
|
||||
window::{AboutWindow, AppWindow, GameWindow, InputWindow},
|
||||
window::{AboutWindow, AppWindow, GameWindow, GdbServerWindow, InputWindow},
|
||||
};
|
||||
|
||||
fn load_icon() -> anyhow::Result<IconData> {
|
||||
|
|
@ -41,10 +42,15 @@ pub struct Application {
|
|||
persistence: Persistence,
|
||||
viewports: HashMap<ViewportId, Viewport>,
|
||||
focused: Option<ViewportId>,
|
||||
init_debug_port: Option<u16>,
|
||||
}
|
||||
|
||||
impl Application {
|
||||
pub fn new(client: EmulatorClient, proxy: EventLoopProxy<UserEvent>) -> Self {
|
||||
pub fn new(
|
||||
client: EmulatorClient,
|
||||
proxy: EventLoopProxy<UserEvent>,
|
||||
debug_port: Option<u16>,
|
||||
) -> Self {
|
||||
let icon = load_icon().ok().map(Arc::new);
|
||||
let persistence = Persistence::new();
|
||||
let mappings = MappingProvider::new(persistence.clone());
|
||||
|
|
@ -63,6 +69,7 @@ impl Application {
|
|||
persistence,
|
||||
viewports: HashMap::new(),
|
||||
focused: None,
|
||||
init_debug_port: debug_port,
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -80,15 +87,19 @@ impl Application {
|
|||
|
||||
impl ApplicationHandler<UserEvent> for Application {
|
||||
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
|
||||
if let Some(port) = self.init_debug_port {
|
||||
let mut server =
|
||||
GdbServerWindow::new(SimId::Player1, self.client.clone(), self.proxy.clone());
|
||||
server.launch(port);
|
||||
self.open(event_loop, Box::new(server));
|
||||
}
|
||||
let app = GameWindow::new(
|
||||
self.client.clone(),
|
||||
self.proxy.clone(),
|
||||
self.persistence.clone(),
|
||||
SimId::Player1,
|
||||
);
|
||||
let wrapper = Viewport::new(event_loop, self.icon.clone(), Box::new(app));
|
||||
self.focused = Some(wrapper.id());
|
||||
self.viewports.insert(wrapper.id(), wrapper);
|
||||
self.open(event_loop, Box::new(app));
|
||||
}
|
||||
|
||||
fn window_event(
|
||||
|
|
@ -183,6 +194,11 @@ impl ApplicationHandler<UserEvent> for Application {
|
|||
let about = AboutWindow;
|
||||
self.open(event_loop, Box::new(about));
|
||||
}
|
||||
UserEvent::OpenDebugger(sim_id) => {
|
||||
let debugger =
|
||||
GdbServerWindow::new(sim_id, self.client.clone(), self.proxy.clone());
|
||||
self.open(event_loop, Box::new(debugger));
|
||||
}
|
||||
UserEvent::OpenInput => {
|
||||
let input = InputWindow::new(self.mappings.clone());
|
||||
self.open(event_loop, Box::new(input));
|
||||
|
|
@ -196,6 +212,13 @@ impl ApplicationHandler<UserEvent> for Application {
|
|||
);
|
||||
self.open(event_loop, Box::new(p2));
|
||||
}
|
||||
UserEvent::Quit(sim_id) => {
|
||||
self.viewports
|
||||
.retain(|_, viewport| viewport.app.sim_id() != sim_id);
|
||||
if !self.viewports.contains_key(&ViewportId::ROOT) {
|
||||
event_loop.exit();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -208,8 +231,8 @@ impl ApplicationHandler<UserEvent> for Application {
|
|||
fn exiting(&mut self, _event_loop: &ActiveEventLoop) {
|
||||
let (sender, receiver) = oneshot::channel();
|
||||
if self.client.send_command(EmulatorCommand::Exit(sender)) {
|
||||
if let Err(err) = receiver.recv_timeout(Duration::from_secs(5)) {
|
||||
eprintln!("could not gracefully exit: {}", err);
|
||||
if let Err(error) = receiver.recv_timeout(Duration::from_secs(5)) {
|
||||
error!(%error, "could not gracefully exit.");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -380,8 +403,10 @@ impl Drop for Viewport {
|
|||
pub enum UserEvent {
|
||||
GamepadEvent(gilrs::Event),
|
||||
OpenAbout,
|
||||
OpenDebugger(SimId),
|
||||
OpenInput,
|
||||
OpenPlayer2,
|
||||
Quit(SimId),
|
||||
}
|
||||
|
||||
pub enum Action {
|
||||
|
|
@ -410,9 +435,12 @@ fn create_window_and_state(
|
|||
}
|
||||
|
||||
fn process_gamepad_input(mappings: MappingProvider, proxy: EventLoopProxy<UserEvent>) {
|
||||
let Ok(mut gilrs) = Gilrs::new() else {
|
||||
eprintln!("could not connect gamepad listener");
|
||||
let mut gilrs = match Gilrs::new() {
|
||||
Ok(gilrs) => gilrs,
|
||||
Err(error) => {
|
||||
warn!(%error, "could not connect gamepad listener");
|
||||
return;
|
||||
}
|
||||
};
|
||||
while let Some(event) = gilrs.next_event_blocking(None) {
|
||||
if event.event == EventType::Connected {
|
||||
|
|
|
|||
|
|
@ -4,6 +4,7 @@ use anyhow::{bail, Result};
|
|||
use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
|
||||
use itertools::Itertools;
|
||||
use rubato::{FftFixedInOut, Resampler};
|
||||
use tracing::error;
|
||||
|
||||
pub struct Audio {
|
||||
#[allow(unused)]
|
||||
|
|
@ -54,7 +55,7 @@ impl Audio {
|
|||
}
|
||||
chunk.commit_all();
|
||||
},
|
||||
move |err| eprintln!("stream error: {err}"),
|
||||
move |error| error!(%error, "stream error"),
|
||||
None,
|
||||
)?;
|
||||
stream.play()?;
|
||||
|
|
|
|||
404
src/emulator.rs
404
src/emulator.rs
|
|
@ -1,34 +1,29 @@
|
|||
use std::{
|
||||
collections::HashMap,
|
||||
fmt::Display,
|
||||
fs::{self, File},
|
||||
io::{Read, Seek, SeekFrom, Write},
|
||||
path::{Path, PathBuf},
|
||||
sync::{
|
||||
atomic::{AtomicBool, AtomicUsize, Ordering},
|
||||
atomic::{AtomicBool, Ordering},
|
||||
mpsc::{self, RecvError, TryRecvError},
|
||||
Arc,
|
||||
},
|
||||
};
|
||||
|
||||
use anyhow::Result;
|
||||
use atomic::Atomic;
|
||||
use bytemuck::NoUninit;
|
||||
use egui_toast::{Toast, ToastKind, ToastOptions};
|
||||
use tracing::{error, warn};
|
||||
|
||||
use crate::{audio::Audio, graphics::TextureSink};
|
||||
pub use shrooms_vb_core::VBKey;
|
||||
use shrooms_vb_core::{Sim, EXPECTED_FRAME_SIZE};
|
||||
use shrooms_vb_core::{Sim, StopReason, EXPECTED_FRAME_SIZE};
|
||||
pub use shrooms_vb_core::{VBKey, VBRegister, VBWatchpointType};
|
||||
|
||||
mod address_set;
|
||||
mod shrooms_vb_core;
|
||||
|
||||
pub struct EmulatorBuilder {
|
||||
rom: Option<PathBuf>,
|
||||
commands: mpsc::Receiver<EmulatorCommand>,
|
||||
sim_count: Arc<AtomicUsize>,
|
||||
running: Arc<[AtomicBool; 2]>,
|
||||
has_game: Arc<[AtomicBool; 2]>,
|
||||
audio_on: Arc<[AtomicBool; 2]>,
|
||||
linked: Arc<AtomicBool>,
|
||||
}
|
||||
|
||||
#[derive(PartialEq, Eq, Hash, Clone, Copy, Debug)]
|
||||
pub enum SimId {
|
||||
Player1,
|
||||
|
|
@ -45,6 +40,14 @@ impl SimId {
|
|||
}
|
||||
}
|
||||
}
|
||||
impl Display for SimId {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
f.write_str(match self {
|
||||
Self::Player1 => "Player 1",
|
||||
Self::Player2 => "Player 2",
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
struct Cart {
|
||||
rom_path: PathBuf,
|
||||
|
|
@ -83,23 +86,35 @@ fn sram_path(rom_path: &Path, sim_id: SimId) -> PathBuf {
|
|||
}
|
||||
}
|
||||
|
||||
pub struct EmulatorBuilder {
|
||||
rom: Option<PathBuf>,
|
||||
commands: mpsc::Receiver<EmulatorCommand>,
|
||||
sim_state: Arc<[Atomic<SimState>; 2]>,
|
||||
state: Arc<Atomic<EmulatorState>>,
|
||||
audio_on: Arc<[AtomicBool; 2]>,
|
||||
linked: Arc<AtomicBool>,
|
||||
start_paused: bool,
|
||||
}
|
||||
|
||||
impl EmulatorBuilder {
|
||||
pub fn new() -> (Self, EmulatorClient) {
|
||||
let (queue, commands) = mpsc::channel();
|
||||
let builder = Self {
|
||||
rom: None,
|
||||
commands,
|
||||
sim_count: Arc::new(AtomicUsize::new(0)),
|
||||
running: Arc::new([AtomicBool::new(false), AtomicBool::new(false)]),
|
||||
has_game: Arc::new([AtomicBool::new(false), AtomicBool::new(false)]),
|
||||
sim_state: Arc::new([
|
||||
Atomic::new(SimState::Uninitialized),
|
||||
Atomic::new(SimState::Uninitialized),
|
||||
]),
|
||||
state: Arc::new(Atomic::new(EmulatorState::Paused)),
|
||||
audio_on: Arc::new([AtomicBool::new(true), AtomicBool::new(true)]),
|
||||
linked: Arc::new(AtomicBool::new(false)),
|
||||
start_paused: false,
|
||||
};
|
||||
let client = EmulatorClient {
|
||||
queue,
|
||||
sim_count: builder.sim_count.clone(),
|
||||
running: builder.running.clone(),
|
||||
has_game: builder.has_game.clone(),
|
||||
sim_state: builder.sim_state.clone(),
|
||||
state: builder.state.clone(),
|
||||
audio_on: builder.audio_on.clone(),
|
||||
linked: builder.linked.clone(),
|
||||
};
|
||||
|
|
@ -113,18 +128,27 @@ impl EmulatorBuilder {
|
|||
}
|
||||
}
|
||||
|
||||
pub fn start_paused(self, paused: bool) -> Self {
|
||||
Self {
|
||||
start_paused: paused,
|
||||
..self
|
||||
}
|
||||
}
|
||||
|
||||
pub fn build(self) -> Result<Emulator> {
|
||||
let mut emulator = Emulator::new(
|
||||
self.commands,
|
||||
self.sim_count,
|
||||
self.running,
|
||||
self.has_game,
|
||||
self.sim_state,
|
||||
self.state,
|
||||
self.audio_on,
|
||||
self.linked,
|
||||
)?;
|
||||
if let Some(path) = self.rom {
|
||||
emulator.load_cart(SimId::Player1, &path)?;
|
||||
}
|
||||
if self.start_paused {
|
||||
emulator.pause_sims()?;
|
||||
}
|
||||
Ok(emulator)
|
||||
}
|
||||
}
|
||||
|
|
@ -134,13 +158,13 @@ pub struct Emulator {
|
|||
carts: [Option<Cart>; 2],
|
||||
audio: Audio,
|
||||
commands: mpsc::Receiver<EmulatorCommand>,
|
||||
sim_count: Arc<AtomicUsize>,
|
||||
running: Arc<[AtomicBool; 2]>,
|
||||
has_game: Arc<[AtomicBool; 2]>,
|
||||
sim_state: Arc<[Atomic<SimState>; 2]>,
|
||||
state: Arc<Atomic<EmulatorState>>,
|
||||
audio_on: Arc<[AtomicBool; 2]>,
|
||||
linked: Arc<AtomicBool>,
|
||||
renderers: HashMap<SimId, TextureSink>,
|
||||
messages: HashMap<SimId, mpsc::Sender<Toast>>,
|
||||
debuggers: HashMap<SimId, DebugInfo>,
|
||||
eye_contents: Vec<u8>,
|
||||
audio_samples: Vec<f32>,
|
||||
}
|
||||
|
|
@ -148,9 +172,8 @@ pub struct Emulator {
|
|||
impl Emulator {
|
||||
fn new(
|
||||
commands: mpsc::Receiver<EmulatorCommand>,
|
||||
sim_count: Arc<AtomicUsize>,
|
||||
running: Arc<[AtomicBool; 2]>,
|
||||
has_game: Arc<[AtomicBool; 2]>,
|
||||
sim_state: Arc<[Atomic<SimState>; 2]>,
|
||||
state: Arc<Atomic<EmulatorState>>,
|
||||
audio_on: Arc<[AtomicBool; 2]>,
|
||||
linked: Arc<AtomicBool>,
|
||||
) -> Result<Self> {
|
||||
|
|
@ -159,15 +182,15 @@ impl Emulator {
|
|||
carts: [None, None],
|
||||
audio: Audio::init()?,
|
||||
commands,
|
||||
sim_count,
|
||||
running,
|
||||
has_game,
|
||||
sim_state,
|
||||
state,
|
||||
audio_on,
|
||||
linked,
|
||||
renderers: HashMap::new(),
|
||||
messages: HashMap::new(),
|
||||
debuggers: HashMap::new(),
|
||||
eye_contents: vec![0u8; 384 * 224 * 2],
|
||||
audio_samples: vec![0.0; EXPECTED_FRAME_SIZE],
|
||||
audio_samples: Vec::with_capacity(EXPECTED_FRAME_SIZE),
|
||||
})
|
||||
}
|
||||
|
||||
|
|
@ -198,17 +221,17 @@ impl Emulator {
|
|||
let index = sim_id.to_index();
|
||||
while self.sims.len() <= index {
|
||||
self.sims.push(Sim::new());
|
||||
self.sim_state[index].store(SimState::NoGame, Ordering::Release);
|
||||
}
|
||||
self.sim_count.store(self.sims.len(), Ordering::Relaxed);
|
||||
let sim = &mut self.sims[index];
|
||||
sim.reset();
|
||||
if let Some(cart) = new_cart {
|
||||
sim.load_cart(cart.rom.clone(), cart.sram.clone())?;
|
||||
self.carts[index] = Some(cart);
|
||||
self.has_game[index].store(true, Ordering::Release);
|
||||
self.sim_state[index].store(SimState::Ready, Ordering::Release);
|
||||
}
|
||||
if self.has_game[index].load(Ordering::Acquire) {
|
||||
self.running[index].store(true, Ordering::Release);
|
||||
if self.sim_state[index].load(Ordering::Acquire) == SimState::Ready {
|
||||
self.resume_sims();
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
|
@ -233,9 +256,31 @@ impl Emulator {
|
|||
self.linked.store(false, Ordering::Release);
|
||||
}
|
||||
|
||||
pub fn pause_sim(&mut self, sim_id: SimId) -> Result<()> {
|
||||
self.running[sim_id.to_index()].store(false, Ordering::Release);
|
||||
self.save_sram(sim_id)
|
||||
fn pause_sims(&mut self) -> Result<()> {
|
||||
if self
|
||||
.state
|
||||
.compare_exchange(
|
||||
EmulatorState::Running,
|
||||
EmulatorState::Paused,
|
||||
Ordering::AcqRel,
|
||||
Ordering::Relaxed,
|
||||
)
|
||||
.is_ok()
|
||||
{
|
||||
for sim_id in SimId::values() {
|
||||
self.save_sram(sim_id)?;
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn resume_sims(&mut self) {
|
||||
let _ = self.state.compare_exchange(
|
||||
EmulatorState::Paused,
|
||||
EmulatorState::Running,
|
||||
Ordering::AcqRel,
|
||||
Ordering::Relaxed,
|
||||
);
|
||||
}
|
||||
|
||||
fn save_sram(&mut self, sim_id: SimId) -> Result<()> {
|
||||
|
|
@ -253,13 +298,75 @@ impl Emulator {
|
|||
self.save_sram(SimId::Player2)?;
|
||||
self.renderers.remove(&SimId::Player2);
|
||||
self.sims.truncate(1);
|
||||
self.sim_count.store(self.sims.len(), Ordering::Relaxed);
|
||||
self.running[SimId::Player2.to_index()].store(false, Ordering::Release);
|
||||
self.has_game[SimId::Player2.to_index()].store(false, Ordering::Release);
|
||||
self.sim_state[SimId::Player2.to_index()].store(SimState::Uninitialized, Ordering::Release);
|
||||
self.stop_debugging(SimId::Player2);
|
||||
self.linked.store(false, Ordering::Release);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn start_debugging(&mut self, sim_id: SimId, sender: DebugSender) {
|
||||
if self.sim_state[sim_id.to_index()].load(Ordering::Acquire) != SimState::Ready {
|
||||
// Can't debug unless a game is connected
|
||||
return;
|
||||
}
|
||||
let debug = DebugInfo {
|
||||
sender,
|
||||
stop_reason: Some(DebugStopReason::Paused),
|
||||
};
|
||||
self.debuggers.insert(sim_id, debug);
|
||||
self.state
|
||||
.store(EmulatorState::Debugging, Ordering::Release);
|
||||
}
|
||||
|
||||
fn stop_debugging(&mut self, sim_id: SimId) {
|
||||
if let Some(sim) = self.sims.get_mut(sim_id.to_index()) {
|
||||
sim.clear_debug_state();
|
||||
}
|
||||
self.debuggers.remove(&sim_id);
|
||||
if self.debuggers.is_empty() {
|
||||
let _ = self.state.compare_exchange(
|
||||
EmulatorState::Debugging,
|
||||
EmulatorState::Running,
|
||||
Ordering::AcqRel,
|
||||
Ordering::Relaxed,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
fn debug_interrupt(&mut self, sim_id: SimId) {
|
||||
self.debug_stop(sim_id, DebugStopReason::Paused);
|
||||
}
|
||||
|
||||
fn debug_stop(&mut self, sim_id: SimId, reason: DebugStopReason) {
|
||||
let Some(debugger) = self.debuggers.get_mut(&sim_id) else {
|
||||
self.stop_debugging(sim_id);
|
||||
return;
|
||||
};
|
||||
if debugger.stop_reason != Some(reason) {
|
||||
debugger.stop_reason = Some(reason);
|
||||
if debugger.sender.send(DebugEvent::Stopped(reason)).is_err() {
|
||||
self.stop_debugging(sim_id);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn debug_continue(&mut self, sim_id: SimId) -> bool {
|
||||
let Some(debugger) = self.debuggers.get_mut(&sim_id) else {
|
||||
self.stop_debugging(sim_id);
|
||||
return false;
|
||||
};
|
||||
debugger.stop_reason = None;
|
||||
true
|
||||
}
|
||||
fn debug_step(&mut self, sim_id: SimId) {
|
||||
if self.debug_continue(sim_id) {
|
||||
let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
|
||||
return;
|
||||
};
|
||||
sim.step();
|
||||
}
|
||||
}
|
||||
|
||||
pub fn run(&mut self) {
|
||||
loop {
|
||||
let idle = self.tick();
|
||||
|
|
@ -289,9 +396,20 @@ impl Emulator {
|
|||
|
||||
// returns true if the emulator is "idle" (i.e. this didn't output anything)
|
||||
pub fn tick(&mut self) -> bool {
|
||||
let p1_running = self.running[SimId::Player1.to_index()].load(Ordering::Acquire);
|
||||
let p2_running = self.running[SimId::Player2.to_index()].load(Ordering::Acquire);
|
||||
let mut idle = p1_running || p2_running;
|
||||
let p1_state = self.sim_state[SimId::Player1.to_index()].load(Ordering::Acquire);
|
||||
let p2_state = self.sim_state[SimId::Player2.to_index()].load(Ordering::Acquire);
|
||||
let state = self.state.load(Ordering::Acquire);
|
||||
|
||||
// Emulation
|
||||
// Don't emulate if the state is "paused", or if any sim is paused in the debugger
|
||||
let running = match state {
|
||||
EmulatorState::Paused => false,
|
||||
EmulatorState::Running => true,
|
||||
EmulatorState::Debugging => self.debuggers.values().all(|d| d.stop_reason.is_none()),
|
||||
};
|
||||
let p1_running = running && p1_state == SimState::Ready;
|
||||
let p2_running = running && p2_state == SimState::Ready;
|
||||
let mut idle = !p1_running && !p2_running;
|
||||
if p1_running && p2_running {
|
||||
Sim::emulate_many(&mut self.sims);
|
||||
} else if p1_running {
|
||||
|
|
@ -300,6 +418,26 @@ impl Emulator {
|
|||
self.sims[SimId::Player2.to_index()].emulate();
|
||||
}
|
||||
|
||||
// Debug state
|
||||
if state == EmulatorState::Debugging {
|
||||
for sim_id in SimId::values() {
|
||||
let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
|
||||
continue;
|
||||
};
|
||||
if let Some(reason) = sim.stop_reason() {
|
||||
let stop_reason = match reason {
|
||||
StopReason::Stepped => DebugStopReason::Trace,
|
||||
StopReason::Watchpoint(watch, address) => {
|
||||
DebugStopReason::Watchpoint(watch, address)
|
||||
}
|
||||
StopReason::Breakpoint => DebugStopReason::Breakpoint,
|
||||
};
|
||||
self.debug_stop(sim_id, stop_reason);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Video
|
||||
for sim_id in SimId::values() {
|
||||
let Some(renderer) = self.renderers.get_mut(&sim_id) else {
|
||||
continue;
|
||||
|
|
@ -314,24 +452,27 @@ impl Emulator {
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Audio
|
||||
// Audio playback speed is how we keep the emulator running in real time.
|
||||
// Even if we're muted, call `read_samples` to know how many frames of silence to play.
|
||||
let p1_audio =
|
||||
p1_running && self.audio_on[SimId::Player1.to_index()].load(Ordering::Acquire);
|
||||
let p2_audio =
|
||||
p2_running && self.audio_on[SimId::Player2.to_index()].load(Ordering::Acquire);
|
||||
let weight = if p1_audio && p2_audio { 0.5 } else { 1.0 };
|
||||
if p1_audio {
|
||||
let (p1_weight, p2_weight) = match (p1_audio, p2_audio) {
|
||||
(true, true) => (0.5, 0.5),
|
||||
(true, false) => (1.0, 0.0),
|
||||
(false, true) => (0.0, 1.0),
|
||||
(false, false) => (0.0, 0.0),
|
||||
};
|
||||
if let Some(sim) = self.sims.get_mut(SimId::Player1.to_index()) {
|
||||
sim.read_samples(&mut self.audio_samples, weight);
|
||||
sim.read_samples(&mut self.audio_samples, p1_weight);
|
||||
}
|
||||
}
|
||||
if p2_audio {
|
||||
if let Some(sim) = self.sims.get_mut(SimId::Player2.to_index()) {
|
||||
sim.read_samples(&mut self.audio_samples, weight);
|
||||
sim.read_samples(&mut self.audio_samples, p2_weight);
|
||||
}
|
||||
}
|
||||
if self.audio_samples.is_empty() {
|
||||
self.audio_samples.resize(EXPECTED_FRAME_SIZE, 0.0);
|
||||
} else {
|
||||
if !self.audio_samples.is_empty() {
|
||||
idle = false;
|
||||
}
|
||||
self.audio.update(&self.audio_samples);
|
||||
|
|
@ -367,19 +508,78 @@ impl Emulator {
|
|||
}
|
||||
}
|
||||
EmulatorCommand::Pause => {
|
||||
for sim_id in SimId::values() {
|
||||
if let Err(error) = self.pause_sim(sim_id) {
|
||||
self.report_error(sim_id, format!("Error pausing: {error}"));
|
||||
}
|
||||
if let Err(error) = self.pause_sims() {
|
||||
self.report_error(SimId::Player1, format!("Error pausing: {error}"));
|
||||
}
|
||||
}
|
||||
EmulatorCommand::Resume => {
|
||||
for sim_id in SimId::values() {
|
||||
let index = sim_id.to_index();
|
||||
if self.has_game[index].load(Ordering::Acquire) {
|
||||
self.running[index].store(true, Ordering::Relaxed);
|
||||
self.resume_sims();
|
||||
}
|
||||
EmulatorCommand::StartDebugging(sim_id, debugger) => {
|
||||
self.start_debugging(sim_id, debugger);
|
||||
}
|
||||
EmulatorCommand::StopDebugging(sim_id) => {
|
||||
self.stop_debugging(sim_id);
|
||||
}
|
||||
EmulatorCommand::DebugInterrupt(sim_id) => {
|
||||
self.debug_interrupt(sim_id);
|
||||
}
|
||||
EmulatorCommand::DebugContinue(sim_id) => {
|
||||
self.debug_continue(sim_id);
|
||||
}
|
||||
EmulatorCommand::DebugStep(sim_id) => {
|
||||
self.debug_step(sim_id);
|
||||
}
|
||||
EmulatorCommand::ReadRegister(sim_id, register, done) => {
|
||||
let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
|
||||
return;
|
||||
};
|
||||
let value = sim.read_register(register);
|
||||
let _ = done.send(value);
|
||||
}
|
||||
EmulatorCommand::WriteRegister(sim_id, register, value) => {
|
||||
let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
|
||||
return;
|
||||
};
|
||||
sim.write_register(register, value);
|
||||
}
|
||||
EmulatorCommand::ReadMemory(sim_id, start, length, mut buffer, done) => {
|
||||
let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
|
||||
return;
|
||||
};
|
||||
sim.read_memory(start, length, &mut buffer);
|
||||
let _ = done.send(buffer);
|
||||
}
|
||||
EmulatorCommand::WriteMemory(sim_id, start, buffer, done) => {
|
||||
let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
|
||||
return;
|
||||
};
|
||||
sim.write_memory(start, &buffer);
|
||||
let _ = done.send(buffer);
|
||||
}
|
||||
EmulatorCommand::AddBreakpoint(sim_id, address) => {
|
||||
let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
|
||||
return;
|
||||
};
|
||||
sim.add_breakpoint(address);
|
||||
}
|
||||
EmulatorCommand::RemoveBreakpoint(sim_id, address) => {
|
||||
let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
|
||||
return;
|
||||
};
|
||||
sim.remove_breakpoint(address);
|
||||
}
|
||||
EmulatorCommand::AddWatchpoint(sim_id, address, length, watch) => {
|
||||
let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
|
||||
return;
|
||||
};
|
||||
sim.add_watchpoint(address, length, watch);
|
||||
}
|
||||
EmulatorCommand::RemoveWatchpoint(sim_id, address, length, watch) => {
|
||||
let Some(sim) = self.sims.get_mut(sim_id.to_index()) else {
|
||||
return;
|
||||
};
|
||||
sim.remove_watchpoint(address, length, watch);
|
||||
}
|
||||
EmulatorCommand::SetAudioEnabled(p1, p2) => {
|
||||
self.audio_on[SimId::Player1.to_index()].store(p1, Ordering::Release);
|
||||
|
|
@ -426,7 +626,7 @@ impl Emulator {
|
|||
return;
|
||||
}
|
||||
}
|
||||
eprintln!("{}", message);
|
||||
error!("{}", message);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -438,6 +638,19 @@ pub enum EmulatorCommand {
|
|||
StopSecondSim,
|
||||
Pause,
|
||||
Resume,
|
||||
StartDebugging(SimId, DebugSender),
|
||||
StopDebugging(SimId),
|
||||
DebugInterrupt(SimId),
|
||||
DebugContinue(SimId),
|
||||
DebugStep(SimId),
|
||||
ReadRegister(SimId, VBRegister, oneshot::Sender<u32>),
|
||||
WriteRegister(SimId, VBRegister, u32),
|
||||
ReadMemory(SimId, u32, usize, Vec<u8>, oneshot::Sender<Vec<u8>>),
|
||||
WriteMemory(SimId, u32, Vec<u8>, oneshot::Sender<Vec<u8>>),
|
||||
AddBreakpoint(SimId, u32),
|
||||
RemoveBreakpoint(SimId, u32),
|
||||
AddWatchpoint(SimId, u32, usize, VBWatchpointType),
|
||||
RemoveWatchpoint(SimId, u32, usize, VBWatchpointType),
|
||||
SetAudioEnabled(bool, bool),
|
||||
Link,
|
||||
Unlink,
|
||||
|
|
@ -446,37 +659,72 @@ pub enum EmulatorCommand {
|
|||
Exit(oneshot::Sender<()>),
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy, Debug, PartialEq, Eq, NoUninit)]
|
||||
#[repr(usize)]
|
||||
pub enum SimState {
|
||||
Uninitialized,
|
||||
NoGame,
|
||||
Ready,
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy, Debug, PartialEq, Eq, NoUninit)]
|
||||
#[repr(usize)]
|
||||
pub enum EmulatorState {
|
||||
Paused,
|
||||
Running,
|
||||
Debugging,
|
||||
}
|
||||
|
||||
type DebugSender = tokio::sync::mpsc::UnboundedSender<DebugEvent>;
|
||||
|
||||
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
|
||||
pub enum DebugStopReason {
|
||||
// We are stepping
|
||||
Trace,
|
||||
// We hit a breakpoint
|
||||
Breakpoint,
|
||||
// We hit a watchpoint
|
||||
Watchpoint(VBWatchpointType, u32),
|
||||
// The debugger told us to pause
|
||||
Paused,
|
||||
}
|
||||
|
||||
struct DebugInfo {
|
||||
sender: DebugSender,
|
||||
stop_reason: Option<DebugStopReason>,
|
||||
}
|
||||
|
||||
pub enum DebugEvent {
|
||||
Stopped(DebugStopReason),
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
pub struct EmulatorClient {
|
||||
queue: mpsc::Sender<EmulatorCommand>,
|
||||
sim_count: Arc<AtomicUsize>,
|
||||
running: Arc<[AtomicBool; 2]>,
|
||||
has_game: Arc<[AtomicBool; 2]>,
|
||||
sim_state: Arc<[Atomic<SimState>; 2]>,
|
||||
state: Arc<Atomic<EmulatorState>>,
|
||||
audio_on: Arc<[AtomicBool; 2]>,
|
||||
linked: Arc<AtomicBool>,
|
||||
}
|
||||
|
||||
impl EmulatorClient {
|
||||
pub fn has_player_2(&self) -> bool {
|
||||
self.sim_count.load(Ordering::Acquire) == 2
|
||||
pub fn sim_state(&self, sim_id: SimId) -> SimState {
|
||||
self.sim_state[sim_id.to_index()].load(Ordering::Acquire)
|
||||
}
|
||||
pub fn is_running(&self, sim_id: SimId) -> bool {
|
||||
self.running[sim_id.to_index()].load(Ordering::Acquire)
|
||||
}
|
||||
pub fn has_game(&self, sim_id: SimId) -> bool {
|
||||
self.has_game[sim_id.to_index()].load(Ordering::Acquire)
|
||||
}
|
||||
pub fn are_sims_linked(&self) -> bool {
|
||||
self.linked.load(Ordering::Acquire)
|
||||
pub fn emulator_state(&self) -> EmulatorState {
|
||||
self.state.load(Ordering::Acquire)
|
||||
}
|
||||
pub fn is_audio_enabled(&self, sim_id: SimId) -> bool {
|
||||
self.audio_on[sim_id.to_index()].load(Ordering::Acquire)
|
||||
}
|
||||
pub fn are_sims_linked(&self) -> bool {
|
||||
self.linked.load(Ordering::Acquire)
|
||||
}
|
||||
pub fn send_command(&self, command: EmulatorCommand) -> bool {
|
||||
match self.queue.send(command) {
|
||||
Ok(()) => true,
|
||||
Err(err) => {
|
||||
eprintln!(
|
||||
warn!(
|
||||
"could not send command {:?} as emulator is shut down",
|
||||
err.0
|
||||
);
|
||||
|
|
|
|||
|
|
@ -0,0 +1,270 @@
|
|||
use std::{
|
||||
collections::{BTreeMap, BTreeSet},
|
||||
ops::Bound,
|
||||
};
|
||||
|
||||
#[derive(Debug, Default)]
|
||||
pub struct AddressSet {
|
||||
ranges: BTreeSet<(u32, usize)>,
|
||||
bounds: BTreeMap<u32, usize>,
|
||||
}
|
||||
|
||||
impl AddressSet {
|
||||
pub fn new() -> Self {
|
||||
Self::default()
|
||||
}
|
||||
|
||||
pub fn add(&mut self, address: u32, length: usize) {
|
||||
if length == 0 || !self.ranges.insert((address, length)) {
|
||||
return;
|
||||
}
|
||||
let end = (address as usize)
|
||||
.checked_add(length)
|
||||
.and_then(|e| u32::try_from(e).ok());
|
||||
|
||||
if let Some(end) = end {
|
||||
let val_before = self.bounds.range(..=end).next_back().map_or(0, |(_, &v)| v);
|
||||
self.bounds.insert(end, val_before);
|
||||
}
|
||||
|
||||
let val_before = self
|
||||
.bounds
|
||||
.range(..address)
|
||||
.next_back()
|
||||
.map_or(0, |(_, &v)| v);
|
||||
if let Some(&val_at) = self.bounds.get(&address) {
|
||||
if val_before == val_at + 1 {
|
||||
self.bounds.remove(&address);
|
||||
}
|
||||
} else {
|
||||
self.bounds.insert(address, val_before);
|
||||
}
|
||||
|
||||
let start_bound = Bound::Included(address);
|
||||
let end_bound = match end {
|
||||
Some(e) => Bound::Excluded(e),
|
||||
None => Bound::Unbounded,
|
||||
};
|
||||
|
||||
for (_, val) in self.bounds.range_mut((start_bound, end_bound)) {
|
||||
*val += 1;
|
||||
}
|
||||
}
|
||||
|
||||
pub fn remove(&mut self, address: u32, length: usize) {
|
||||
if !self.ranges.remove(&(address, length)) {
|
||||
return;
|
||||
}
|
||||
let end = (address as usize)
|
||||
.checked_add(length)
|
||||
.and_then(|e| u32::try_from(e).ok());
|
||||
|
||||
if let Some(end) = end {
|
||||
let val_before = self.bounds.range(..end).next_back().map_or(0, |(_, &v)| v);
|
||||
if let Some(&val_at) = self.bounds.get(&end) {
|
||||
if val_at + 1 == val_before {
|
||||
self.bounds.remove(&end);
|
||||
}
|
||||
} else {
|
||||
self.bounds.insert(end, val_before);
|
||||
}
|
||||
}
|
||||
|
||||
let val_before = self
|
||||
.bounds
|
||||
.range(..address)
|
||||
.next_back()
|
||||
.map_or(0, |(_, &v)| v);
|
||||
if let Some(&val_at) = self.bounds.get(&address) {
|
||||
if val_before + 1 == val_at {
|
||||
self.bounds.remove(&address);
|
||||
}
|
||||
} else {
|
||||
self.bounds.insert(address, val_before);
|
||||
}
|
||||
|
||||
let start_bound = Bound::Included(address);
|
||||
let end_bound = match end {
|
||||
Some(e) => Bound::Excluded(e),
|
||||
None => Bound::Unbounded,
|
||||
};
|
||||
|
||||
for (_, val) in self.bounds.range_mut((start_bound, end_bound)) {
|
||||
*val -= 1;
|
||||
}
|
||||
}
|
||||
|
||||
pub fn clear(&mut self) {
|
||||
self.ranges.clear();
|
||||
self.bounds.clear();
|
||||
}
|
||||
|
||||
pub fn is_empty(&self) -> bool {
|
||||
self.bounds.is_empty()
|
||||
}
|
||||
|
||||
pub fn contains(&self, address: u32) -> bool {
|
||||
self.bounds
|
||||
.range(..=address)
|
||||
.next_back()
|
||||
.is_some_and(|(_, &val)| val > 0)
|
||||
}
|
||||
|
||||
pub fn start_of_range_containing(&self, address: u32) -> Option<u32> {
|
||||
if !self.contains(address) {
|
||||
return None;
|
||||
}
|
||||
self.ranges
|
||||
.range(..=(address, usize::MAX))
|
||||
.rev()
|
||||
.find_map(|&(start, length)| {
|
||||
let contains = start <= address
|
||||
&& (start as usize)
|
||||
.checked_add(length)
|
||||
.is_none_or(|end| end > address as usize);
|
||||
contains.then_some(start)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::AddressSet;
|
||||
|
||||
#[test]
|
||||
fn should_not_include_addresses_when_empty() {
|
||||
let set = AddressSet::new();
|
||||
assert!(set.is_empty());
|
||||
assert!(!set.contains(0x13374200));
|
||||
assert_eq!(set.start_of_range_containing(0x13374200), None);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_include_addresses_when_full() {
|
||||
let mut set = AddressSet::new();
|
||||
set.add(0x00000000, 0x100000000);
|
||||
assert!(set.contains(0x13374200));
|
||||
assert_eq!(set.start_of_range_containing(0x13374200), Some(0x00000000));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_ignore_empty_address_ranges() {
|
||||
let mut set = AddressSet::new();
|
||||
set.add(0x13374200, 0);
|
||||
assert!(set.is_empty());
|
||||
assert!(!set.contains(0x13374200));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_add_addresses_idempotently() {
|
||||
let mut set = AddressSet::new();
|
||||
set.add(0x13374200, 1);
|
||||
set.add(0x13374200, 1);
|
||||
set.remove(0x13374200, 1);
|
||||
assert!(set.is_empty());
|
||||
assert!(!set.contains(0x13374200));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_remove_addresses_idempotently() {
|
||||
let mut set = AddressSet::new();
|
||||
set.add(0x13374200, 1);
|
||||
set.remove(0x13374200, 1);
|
||||
set.remove(0x13374200, 1);
|
||||
assert!(set.is_empty());
|
||||
assert!(!set.contains(0x13374200));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_report_address_in_range() {
|
||||
let mut set = AddressSet::new();
|
||||
set.add(0x13374200, 4);
|
||||
assert!(!set.contains(0x133741ff));
|
||||
for address in 0x13374200..0x13374204 {
|
||||
assert!(set.contains(address));
|
||||
}
|
||||
assert!(!set.contains(0x13374204));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_allow_overlapping_addresses() {
|
||||
let mut set = AddressSet::new();
|
||||
set.add(0x13374200, 4);
|
||||
set.add(0x13374201, 1);
|
||||
set.add(0x13374202, 2);
|
||||
|
||||
assert!(!set.contains(0x133741ff));
|
||||
for address in 0x13374200..0x13374204 {
|
||||
assert!(set.contains(address));
|
||||
}
|
||||
assert!(!set.contains(0x13374204));
|
||||
|
||||
set.remove(0x13374200, 4);
|
||||
assert!(!set.contains(0x13374200));
|
||||
for address in 0x13374201..0x13374204 {
|
||||
assert!(set.contains(address));
|
||||
}
|
||||
assert!(!set.contains(0x13374204));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_allow_removing_overlapped_address_ranges() {
|
||||
let mut set = AddressSet::new();
|
||||
set.add(0x13374200, 8);
|
||||
set.add(0x13374204, 8);
|
||||
set.remove(0x13374204, 8);
|
||||
|
||||
for address in 0x13374200..0x13374208 {
|
||||
assert!(set.contains(address));
|
||||
}
|
||||
for address in 0x13374208..0x1337420c {
|
||||
assert!(!set.contains(address));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_merge_adjacent_ranges() {
|
||||
let mut set = AddressSet::new();
|
||||
set.add(0x13374200, 4);
|
||||
set.add(0x13374204, 4);
|
||||
set.add(0x13374208, 4);
|
||||
set.add(0x1337420c, 4);
|
||||
|
||||
assert!(!set.contains(0x133741ff));
|
||||
for address in 0x13374200..0x13374210 {
|
||||
assert!(set.contains(address));
|
||||
}
|
||||
assert!(!set.contains(0x13374210));
|
||||
|
||||
set.remove(0x13374200, 4);
|
||||
set.remove(0x13374204, 4);
|
||||
set.remove(0x13374208, 4);
|
||||
set.remove(0x1337420c, 4);
|
||||
|
||||
assert!(set.is_empty());
|
||||
for address in 0x133741ff..=0x13374210 {
|
||||
assert!(!set.contains(address));
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_find_start_of_range() {
|
||||
let mut set = AddressSet::new();
|
||||
set.add(0x13374200, 4);
|
||||
assert_eq!(set.start_of_range_containing(0x133741ff), None);
|
||||
for address in 0x13374200..0x13374204 {
|
||||
assert_eq!(set.start_of_range_containing(address), Some(0x13374200));
|
||||
}
|
||||
assert_eq!(set.start_of_range_containing(0x13374204), None);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn should_ignore_ranges_not_containing_address() {
|
||||
let mut set = AddressSet::new();
|
||||
set.add(0x10000000, 1024);
|
||||
set.add(0x30000000, 1024);
|
||||
|
||||
assert!(!set.contains(0x20000000));
|
||||
assert_eq!(set.start_of_range_containing(0x20000000), None);
|
||||
}
|
||||
}
|
||||
|
|
@ -5,6 +5,8 @@ use bitflags::bitflags;
|
|||
use num_derive::{FromPrimitive, ToPrimitive};
|
||||
use serde::{Deserialize, Serialize};
|
||||
|
||||
use super::address_set::AddressSet;
|
||||
|
||||
#[repr(C)]
|
||||
struct VB {
|
||||
_data: [u8; 0],
|
||||
|
|
@ -55,7 +57,38 @@ bitflags! {
|
|||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy, Debug)]
|
||||
pub enum VBRegister {
|
||||
Program(u32),
|
||||
System(u32),
|
||||
PC,
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
|
||||
pub enum VBWatchpointType {
|
||||
Read,
|
||||
Write,
|
||||
Access,
|
||||
}
|
||||
|
||||
type OnExecute =
|
||||
extern "C" fn(sim: *mut VB, address: u32, code: *const u16, length: c_int) -> c_int;
|
||||
type OnFrame = extern "C" fn(sim: *mut VB) -> c_int;
|
||||
type OnRead = extern "C" fn(
|
||||
sim: *mut VB,
|
||||
address: u32,
|
||||
type_: VBDataType,
|
||||
value: *mut i32,
|
||||
cycles: *mut u32,
|
||||
) -> c_int;
|
||||
type OnWrite = extern "C" fn(
|
||||
sim: *mut VB,
|
||||
address: u32,
|
||||
type_: VBDataType,
|
||||
value: *mut i32,
|
||||
cycles: *mut u32,
|
||||
cancel: *mut c_int,
|
||||
) -> c_int;
|
||||
|
||||
#[link(name = "vb")]
|
||||
extern "C" {
|
||||
|
|
@ -77,6 +110,10 @@ extern "C" {
|
|||
right_stride_x: c_int,
|
||||
right_stride_y: c_int,
|
||||
);
|
||||
#[link_name = "vbGetProgramCounter"]
|
||||
fn vb_get_program_counter(sim: *mut VB) -> u32;
|
||||
#[link_name = "vbGetProgramRegister"]
|
||||
fn vb_get_program_register(sim: *mut VB, index: c_uint) -> i32;
|
||||
#[link_name = "vbGetSamples"]
|
||||
fn vb_get_samples(
|
||||
sim: *mut VB,
|
||||
|
|
@ -84,24 +121,36 @@ extern "C" {
|
|||
capacity: *mut c_uint,
|
||||
position: *mut c_uint,
|
||||
) -> *mut c_void;
|
||||
#[link_name = "vbGetSystemRegister"]
|
||||
fn vb_get_system_register(sim: *mut VB, index: c_uint) -> i32;
|
||||
#[link_name = "vbGetUserData"]
|
||||
fn vb_get_user_data(sim: *mut VB) -> *mut c_void;
|
||||
#[link_name = "vbInit"]
|
||||
fn vb_init(sim: *mut VB) -> *mut VB;
|
||||
#[link_name = "vbRead"]
|
||||
fn vb_read(sim: *mut VB, address: u32, typ_: VBDataType) -> i32;
|
||||
#[link_name = "vbReset"]
|
||||
fn vb_reset(sim: *mut VB);
|
||||
#[link_name = "vbSetCartRAM"]
|
||||
fn vb_set_cart_ram(sim: *mut VB, sram: *mut c_void, size: u32) -> c_int;
|
||||
#[link_name = "vbSetCartROM"]
|
||||
fn vb_set_cart_rom(sim: *mut VB, rom: *mut c_void, size: u32) -> c_int;
|
||||
#[link_name = "vbSetExecuteCallback"]
|
||||
fn vb_set_execute_callback(sim: *mut VB, callback: Option<OnExecute>) -> Option<OnExecute>;
|
||||
#[link_name = "vbSetFrameCallback"]
|
||||
fn vb_set_frame_callback(sim: *mut VB, on_frame: OnFrame);
|
||||
fn vb_set_frame_callback(sim: *mut VB, callback: Option<OnFrame>) -> Option<OnFrame>;
|
||||
#[link_name = "vbSetKeys"]
|
||||
fn vb_set_keys(sim: *mut VB, keys: u16) -> u16;
|
||||
#[link_name = "vbSetOption"]
|
||||
fn vb_set_option(sim: *mut VB, key: VBOption, value: c_int);
|
||||
#[link_name = "vbSetPeer"]
|
||||
fn vb_set_peer(sim: *mut VB, peer: *mut VB);
|
||||
#[link_name = "vbSetProgramCounter"]
|
||||
fn vb_set_program_counter(sim: *mut VB, value: u32) -> u32;
|
||||
#[link_name = "vbSetProgramRegister"]
|
||||
fn vb_set_program_register(sim: *mut VB, index: c_uint, value: i32) -> i32;
|
||||
#[link_name = "vbSetReadCallback"]
|
||||
fn vb_set_read_callback(sim: *mut VB, callback: Option<OnRead>) -> Option<OnRead>;
|
||||
#[link_name = "vbSetSamples"]
|
||||
fn vb_set_samples(
|
||||
sim: *mut VB,
|
||||
|
|
@ -109,13 +158,20 @@ extern "C" {
|
|||
typ_: VBDataType,
|
||||
capacity: c_uint,
|
||||
) -> c_int;
|
||||
#[link_name = "vbSetSystemRegister"]
|
||||
fn vb_set_system_register(sim: *mut VB, index: c_uint, value: u32) -> u32;
|
||||
#[link_name = "vbSetUserData"]
|
||||
fn vb_set_user_data(sim: *mut VB, tag: *mut c_void);
|
||||
#[link_name = "vbSetWriteCallback"]
|
||||
fn vb_set_write_callback(sim: *mut VB, callback: Option<OnWrite>) -> Option<OnWrite>;
|
||||
#[link_name = "vbSizeOf"]
|
||||
fn vb_size_of() -> usize;
|
||||
#[link_name = "vbWrite"]
|
||||
fn vb_write(sim: *mut VB, address: u32, _type: VBDataType, value: i32) -> i32;
|
||||
}
|
||||
|
||||
extern "C" fn on_frame(sim: *mut VB) -> i32 {
|
||||
#[no_mangle]
|
||||
extern "C" fn on_frame(sim: *mut VB) -> c_int {
|
||||
// SAFETY: the *mut VB owns its userdata.
|
||||
// There is no way for the userdata to be null or otherwise invalid.
|
||||
let data: &mut VBState = unsafe { &mut *vb_get_user_data(sim).cast() };
|
||||
|
|
@ -123,12 +179,109 @@ extern "C" fn on_frame(sim: *mut VB) -> i32 {
|
|||
1
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
extern "C" fn on_execute(sim: *mut VB, address: u32, _code: *const u16, _length: c_int) -> c_int {
|
||||
// SAFETY: the *mut VB owns its userdata.
|
||||
// There is no way for the userdata to be null or otherwise invalid.
|
||||
let data: &mut VBState = unsafe { &mut *vb_get_user_data(sim).cast() };
|
||||
|
||||
let mut stopped = data.stop_reason.is_some();
|
||||
if data.step_from.is_some_and(|s| s != address) {
|
||||
data.step_from = None;
|
||||
data.stop_reason = Some(StopReason::Stepped);
|
||||
stopped = true;
|
||||
}
|
||||
if data.breakpoints.binary_search(&address).is_ok() {
|
||||
data.stop_reason = Some(StopReason::Breakpoint);
|
||||
stopped = true;
|
||||
}
|
||||
|
||||
if stopped {
|
||||
1
|
||||
} else {
|
||||
0
|
||||
}
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
extern "C" fn on_read(
|
||||
sim: *mut VB,
|
||||
address: u32,
|
||||
_type: VBDataType,
|
||||
_value: *mut i32,
|
||||
_cycles: *mut u32,
|
||||
) -> c_int {
|
||||
// SAFETY: the *mut VB owns its userdata.
|
||||
// There is no way for the userdata to be null or otherwise invalid.
|
||||
let data: &mut VBState = unsafe { &mut *vb_get_user_data(sim).cast() };
|
||||
|
||||
if let Some(start) = data.read_watchpoints.start_of_range_containing(address) {
|
||||
let watch = if data.write_watchpoints.contains(address) {
|
||||
VBWatchpointType::Access
|
||||
} else {
|
||||
VBWatchpointType::Read
|
||||
};
|
||||
data.stop_reason = Some(StopReason::Watchpoint(watch, start));
|
||||
}
|
||||
|
||||
// Don't stop here, the debugger expects us to break after the memory access.
|
||||
// We'll stop in on_execute instead.
|
||||
0
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
extern "C" fn on_write(
|
||||
sim: *mut VB,
|
||||
address: u32,
|
||||
_type: VBDataType,
|
||||
_value: *mut i32,
|
||||
_cycles: *mut u32,
|
||||
_cancel: *mut c_int,
|
||||
) -> c_int {
|
||||
// SAFETY: the *mut VB owns its userdata.
|
||||
// There is no way for the userdata to be null or otherwise invalid.
|
||||
let data: &mut VBState = unsafe { &mut *vb_get_user_data(sim).cast() };
|
||||
|
||||
if let Some(start) = data.write_watchpoints.start_of_range_containing(address) {
|
||||
let watch = if data.read_watchpoints.contains(address) {
|
||||
VBWatchpointType::Access
|
||||
} else {
|
||||
VBWatchpointType::Write
|
||||
};
|
||||
data.stop_reason = Some(StopReason::Watchpoint(watch, start));
|
||||
}
|
||||
|
||||
// Don't stop here, the debugger expects us to break after the memory access.
|
||||
// We'll stop in on_execute instead.
|
||||
0
|
||||
}
|
||||
|
||||
const AUDIO_CAPACITY_SAMPLES: usize = 834 * 4;
|
||||
const AUDIO_CAPACITY_FLOATS: usize = AUDIO_CAPACITY_SAMPLES * 2;
|
||||
pub const EXPECTED_FRAME_SIZE: usize = 834 * 2;
|
||||
|
||||
struct VBState {
|
||||
frame_seen: bool,
|
||||
stop_reason: Option<StopReason>,
|
||||
step_from: Option<u32>,
|
||||
breakpoints: Vec<u32>,
|
||||
read_watchpoints: AddressSet,
|
||||
write_watchpoints: AddressSet,
|
||||
}
|
||||
|
||||
impl VBState {
|
||||
fn needs_execute_callback(&self) -> bool {
|
||||
self.step_from.is_some()
|
||||
|| !self.breakpoints.is_empty()
|
||||
|| !self.read_watchpoints.is_empty()
|
||||
|| !self.write_watchpoints.is_empty()
|
||||
}
|
||||
}
|
||||
|
||||
pub enum StopReason {
|
||||
Breakpoint,
|
||||
Watchpoint(VBWatchpointType, u32),
|
||||
Stepped,
|
||||
}
|
||||
|
||||
#[repr(transparent)]
|
||||
|
|
@ -136,9 +289,6 @@ pub struct Sim {
|
|||
sim: *mut VB,
|
||||
}
|
||||
|
||||
// SAFETY: the memory pointed to by sim is valid
|
||||
unsafe impl Send for Sim {}
|
||||
|
||||
impl Sim {
|
||||
pub fn new() -> Self {
|
||||
// init the VB instance itself
|
||||
|
|
@ -149,12 +299,20 @@ impl Sim {
|
|||
unsafe { vb_init(sim) };
|
||||
// pseudohalt is disabled due to breaking red alarm
|
||||
unsafe { vb_set_option(sim, VBOption::PseudoHalt, 0) };
|
||||
unsafe { vb_set_keys(sim, VBKey::SGN.bits()) };
|
||||
unsafe { vb_reset(sim) };
|
||||
|
||||
// set up userdata
|
||||
let state = VBState { frame_seen: false };
|
||||
let state = VBState {
|
||||
frame_seen: false,
|
||||
stop_reason: None,
|
||||
step_from: None,
|
||||
breakpoints: vec![],
|
||||
read_watchpoints: AddressSet::new(),
|
||||
write_watchpoints: AddressSet::new(),
|
||||
};
|
||||
unsafe { vb_set_user_data(sim, Box::into_raw(Box::new(state)).cast()) };
|
||||
unsafe { vb_set_frame_callback(sim, on_frame) };
|
||||
unsafe { vb_set_frame_callback(sim, Some(on_frame)) };
|
||||
|
||||
// set up audio buffer
|
||||
let audio_buffer = vec![0.0f32; AUDIO_CAPACITY_FLOATS];
|
||||
|
|
@ -243,9 +401,7 @@ impl Sim {
|
|||
}
|
||||
|
||||
pub fn read_pixels(&mut self, buffers: &mut [u8]) -> bool {
|
||||
// SAFETY: the *mut VB owns its userdata.
|
||||
// There is no way for the userdata to be null or otherwise invalid.
|
||||
let data: &mut VBState = unsafe { &mut *vb_get_user_data(self.sim).cast() };
|
||||
let data = self.get_state();
|
||||
if !data.frame_seen {
|
||||
return false;
|
||||
}
|
||||
|
|
@ -292,6 +448,167 @@ impl Sim {
|
|||
pub fn set_keys(&mut self, keys: VBKey) {
|
||||
unsafe { vb_set_keys(self.sim, keys.bits()) };
|
||||
}
|
||||
|
||||
pub fn read_register(&mut self, register: VBRegister) -> u32 {
|
||||
match register {
|
||||
VBRegister::Program(index) => unsafe {
|
||||
vb_get_program_register(self.sim, index) as u32
|
||||
},
|
||||
VBRegister::System(index) => unsafe { vb_get_system_register(self.sim, index) as u32 },
|
||||
VBRegister::PC => unsafe { vb_get_program_counter(self.sim) },
|
||||
}
|
||||
}
|
||||
|
||||
pub fn write_register(&mut self, register: VBRegister, value: u32) {
|
||||
match register {
|
||||
VBRegister::Program(index) => unsafe {
|
||||
vb_set_program_register(self.sim, index, value as i32);
|
||||
},
|
||||
VBRegister::System(index) => unsafe {
|
||||
vb_set_system_register(self.sim, index, value);
|
||||
},
|
||||
VBRegister::PC => unsafe {
|
||||
vb_set_program_counter(self.sim, value);
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
pub fn read_memory(&mut self, start: u32, length: usize, into: &mut Vec<u8>) {
|
||||
let mut address = start;
|
||||
for _ in 0..length {
|
||||
let byte = unsafe { vb_read(self.sim, address, VBDataType::U8) };
|
||||
into.push(byte as u8);
|
||||
address = address.wrapping_add(1);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn write_memory(&mut self, start: u32, buffer: &[u8]) {
|
||||
let mut address = start;
|
||||
for byte in buffer {
|
||||
unsafe { vb_write(self.sim, address, VBDataType::U8, *byte as i32) };
|
||||
address = address.wrapping_add(1);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn add_breakpoint(&mut self, address: u32) {
|
||||
let data = self.get_state();
|
||||
if let Err(index) = data.breakpoints.binary_search(&address) {
|
||||
data.breakpoints.insert(index, address);
|
||||
}
|
||||
|
||||
unsafe {
|
||||
vb_set_execute_callback(self.sim, Some(on_execute));
|
||||
}
|
||||
}
|
||||
|
||||
pub fn remove_breakpoint(&mut self, address: u32) {
|
||||
let data = self.get_state();
|
||||
if let Ok(index) = data.breakpoints.binary_search(&address) {
|
||||
data.breakpoints.remove(index);
|
||||
if !data.needs_execute_callback() {
|
||||
unsafe { vb_set_execute_callback(self.sim, None) };
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn add_watchpoint(&mut self, address: u32, length: usize, watch: VBWatchpointType) {
|
||||
match watch {
|
||||
VBWatchpointType::Read => self.add_read_watchpoint(address, length),
|
||||
VBWatchpointType::Write => self.add_write_watchpoint(address, length),
|
||||
VBWatchpointType::Access => {
|
||||
self.add_read_watchpoint(address, length);
|
||||
self.add_write_watchpoint(address, length);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn add_read_watchpoint(&mut self, address: u32, length: usize) {
|
||||
let state = self.get_state();
|
||||
state.read_watchpoints.add(address, length);
|
||||
if !state.read_watchpoints.is_empty() {
|
||||
unsafe { vb_set_read_callback(self.sim, Some(on_read)) };
|
||||
unsafe { vb_set_execute_callback(self.sim, Some(on_execute)) };
|
||||
}
|
||||
}
|
||||
|
||||
fn add_write_watchpoint(&mut self, address: u32, length: usize) {
|
||||
let state = self.get_state();
|
||||
state.write_watchpoints.add(address, length);
|
||||
if !state.write_watchpoints.is_empty() {
|
||||
unsafe { vb_set_write_callback(self.sim, Some(on_write)) };
|
||||
unsafe { vb_set_execute_callback(self.sim, Some(on_execute)) };
|
||||
}
|
||||
}
|
||||
|
||||
pub fn remove_watchpoint(&mut self, address: u32, length: usize, watch: VBWatchpointType) {
|
||||
match watch {
|
||||
VBWatchpointType::Read => self.remove_read_watchpoint(address, length),
|
||||
VBWatchpointType::Write => self.remove_write_watchpoint(address, length),
|
||||
VBWatchpointType::Access => {
|
||||
self.remove_read_watchpoint(address, length);
|
||||
self.remove_write_watchpoint(address, length);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn remove_read_watchpoint(&mut self, address: u32, length: usize) {
|
||||
let state = self.get_state();
|
||||
state.read_watchpoints.remove(address, length);
|
||||
let needs_execute = state.needs_execute_callback();
|
||||
if state.read_watchpoints.is_empty() {
|
||||
unsafe { vb_set_read_callback(self.sim, None) };
|
||||
if !needs_execute {
|
||||
unsafe { vb_set_execute_callback(self.sim, None) };
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn remove_write_watchpoint(&mut self, address: u32, length: usize) {
|
||||
let state = self.get_state();
|
||||
state.write_watchpoints.remove(address, length);
|
||||
let needs_execute = state.needs_execute_callback();
|
||||
if state.write_watchpoints.is_empty() {
|
||||
unsafe { vb_set_write_callback(self.sim, None) };
|
||||
if !needs_execute {
|
||||
unsafe { vb_set_execute_callback(self.sim, None) };
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn step(&mut self) {
|
||||
let current_pc = unsafe { vb_get_program_counter(self.sim) };
|
||||
let data = self.get_state();
|
||||
data.step_from = Some(current_pc);
|
||||
unsafe {
|
||||
vb_set_execute_callback(self.sim, Some(on_execute));
|
||||
}
|
||||
}
|
||||
|
||||
pub fn clear_debug_state(&mut self) {
|
||||
let data = self.get_state();
|
||||
data.step_from = None;
|
||||
data.breakpoints.clear();
|
||||
data.read_watchpoints.clear();
|
||||
data.write_watchpoints.clear();
|
||||
unsafe { vb_set_read_callback(self.sim, None) };
|
||||
unsafe { vb_set_write_callback(self.sim, None) };
|
||||
unsafe { vb_set_execute_callback(self.sim, None) };
|
||||
}
|
||||
|
||||
pub fn stop_reason(&mut self) -> Option<StopReason> {
|
||||
let data = self.get_state();
|
||||
let reason = data.stop_reason.take();
|
||||
if !data.needs_execute_callback() {
|
||||
unsafe { vb_set_execute_callback(self.sim, None) };
|
||||
}
|
||||
reason
|
||||
}
|
||||
|
||||
fn get_state(&mut self) -> &mut VBState {
|
||||
// SAFETY: the *mut VB owns its userdata.
|
||||
// There is no way for the userdata to be null or otherwise invalid.
|
||||
unsafe { &mut *vb_get_user_data(self.sim).cast() }
|
||||
}
|
||||
}
|
||||
|
||||
impl Drop for Sim {
|
||||
|
|
|
|||
|
|
@ -0,0 +1,560 @@
|
|||
use anyhow::{bail, Result};
|
||||
use registers::REGISTERS;
|
||||
use request::{Request, RequestKind, RequestSource};
|
||||
use response::Response;
|
||||
use std::{
|
||||
sync::{Arc, Mutex},
|
||||
thread,
|
||||
};
|
||||
use tokio::{
|
||||
io::{AsyncWriteExt as _, BufReader},
|
||||
net::{TcpListener, TcpStream},
|
||||
pin, select,
|
||||
sync::{mpsc, oneshot},
|
||||
};
|
||||
use tracing::{debug, enabled, error, info, Level};
|
||||
|
||||
use crate::emulator::{
|
||||
DebugEvent, DebugStopReason, EmulatorClient, EmulatorCommand, SimId, VBWatchpointType,
|
||||
};
|
||||
|
||||
mod registers;
|
||||
mod request;
|
||||
mod response;
|
||||
|
||||
pub struct GdbServer {
|
||||
sim_id: SimId,
|
||||
client: EmulatorClient,
|
||||
status: Arc<Mutex<GdbServerStatus>>,
|
||||
killer: Option<oneshot::Sender<()>>,
|
||||
}
|
||||
|
||||
impl GdbServer {
|
||||
pub fn new(sim_id: SimId, client: EmulatorClient) -> Self {
|
||||
Self {
|
||||
sim_id,
|
||||
client,
|
||||
status: Arc::new(Mutex::new(GdbServerStatus::Stopped)),
|
||||
killer: None,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn status(&self) -> GdbServerStatus {
|
||||
self.status.lock().unwrap().clone()
|
||||
}
|
||||
|
||||
pub fn start(&mut self, port: u16) {
|
||||
*self.status.lock().unwrap() = GdbServerStatus::Connecting;
|
||||
let sim_id = self.sim_id;
|
||||
let client = self.client.clone();
|
||||
let status = self.status.clone();
|
||||
let (tx, rx) = oneshot::channel();
|
||||
self.killer = Some(tx);
|
||||
thread::spawn(move || {
|
||||
tokio::runtime::Builder::new_current_thread()
|
||||
.enable_all()
|
||||
.build()
|
||||
.unwrap()
|
||||
.block_on(async move {
|
||||
select! {
|
||||
_ = run_server(sim_id, client.clone(), port, &status) => {}
|
||||
_ = rx => {
|
||||
client.send_command(EmulatorCommand::StopDebugging(sim_id));
|
||||
*status.lock().unwrap() = GdbServerStatus::Stopped;
|
||||
}
|
||||
}
|
||||
})
|
||||
});
|
||||
}
|
||||
|
||||
pub fn stop(&mut self) {
|
||||
if let Some(killer) = self.killer.take() {
|
||||
let _ = killer.send(());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Drop for GdbServer {
|
||||
fn drop(&mut self) {
|
||||
self.stop();
|
||||
}
|
||||
}
|
||||
|
||||
async fn run_server(
|
||||
sim_id: SimId,
|
||||
client: EmulatorClient,
|
||||
port: u16,
|
||||
status: &Mutex<GdbServerStatus>,
|
||||
) {
|
||||
let (debug_sink, mut debug_source) = mpsc::unbounded_channel();
|
||||
client.send_command(EmulatorCommand::StartDebugging(sim_id, debug_sink));
|
||||
|
||||
info!("Connecting to debugger on port {port}...");
|
||||
let connect_future = try_connect(port, status);
|
||||
pin!(connect_future);
|
||||
|
||||
let stream = loop {
|
||||
select! {
|
||||
stream = &mut connect_future => {
|
||||
if let Some(stream) = stream {
|
||||
break stream;
|
||||
} else {
|
||||
return;
|
||||
}
|
||||
}
|
||||
event = debug_source.recv() => {
|
||||
if event.is_none() {
|
||||
// The sim has stopped (or was never started)
|
||||
*status.lock().unwrap() = GdbServerStatus::Stopped;
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
info!("Connected!");
|
||||
let mut connection = GdbConnection::new(sim_id, client);
|
||||
match connection.run(stream, debug_source).await {
|
||||
Ok(()) => {
|
||||
info!("Finished debugging.");
|
||||
*status.lock().unwrap() = GdbServerStatus::Stopped;
|
||||
}
|
||||
Err(error) => {
|
||||
error!(%error, "Error from debugger.");
|
||||
*status.lock().unwrap() = GdbServerStatus::Error(error.to_string());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
async fn try_connect(port: u16, status: &Mutex<GdbServerStatus>) -> Option<TcpStream> {
|
||||
*status.lock().unwrap() = GdbServerStatus::Connecting;
|
||||
let listener = match TcpListener::bind(("127.0.0.1", port)).await {
|
||||
Ok(l) => l,
|
||||
Err(err) => {
|
||||
error!(%err, "Could not open port.");
|
||||
*status.lock().unwrap() = GdbServerStatus::Error(err.to_string());
|
||||
return None;
|
||||
}
|
||||
};
|
||||
match listener.accept().await {
|
||||
Ok((stream, _)) => {
|
||||
*status.lock().unwrap() = GdbServerStatus::Running;
|
||||
Some(stream)
|
||||
}
|
||||
Err(err) => {
|
||||
error!(%err, "Could not connect to debugger.");
|
||||
*status.lock().unwrap() = GdbServerStatus::Error(err.to_string());
|
||||
None
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
pub enum GdbServerStatus {
|
||||
Stopped,
|
||||
Connecting,
|
||||
Running,
|
||||
Error(String),
|
||||
}
|
||||
|
||||
impl GdbServerStatus {
|
||||
pub fn running(&self) -> bool {
|
||||
matches!(self, Self::Connecting | Self::Running)
|
||||
}
|
||||
}
|
||||
|
||||
struct GdbConnection {
|
||||
sim_id: SimId,
|
||||
client: EmulatorClient,
|
||||
ack_messages: bool,
|
||||
stop_reason: Option<DebugStopReason>,
|
||||
response_buf: Option<Vec<u8>>,
|
||||
memory_buf: Option<Vec<u8>>,
|
||||
}
|
||||
|
||||
impl GdbConnection {
|
||||
fn new(sim_id: SimId, client: EmulatorClient) -> Self {
|
||||
Self {
|
||||
sim_id,
|
||||
client,
|
||||
ack_messages: true,
|
||||
stop_reason: None,
|
||||
response_buf: None,
|
||||
memory_buf: None,
|
||||
}
|
||||
}
|
||||
async fn run(
|
||||
&mut self,
|
||||
stream: TcpStream,
|
||||
mut debug_source: mpsc::UnboundedReceiver<DebugEvent>,
|
||||
) -> Result<()> {
|
||||
let (rx, mut tx) = stream.into_split();
|
||||
let mut request_source = RequestSource::new(BufReader::new(rx));
|
||||
loop {
|
||||
let response = select! {
|
||||
maybe_event = debug_source.recv() => {
|
||||
let Some(event) = maybe_event else {
|
||||
// debugger has stopped running
|
||||
break;
|
||||
};
|
||||
self.handle_event(event)
|
||||
}
|
||||
maybe_request = request_source.recv() => {
|
||||
let req = maybe_request?;
|
||||
self.handle_request(req)?
|
||||
}
|
||||
};
|
||||
if let Some(res) = response {
|
||||
let buffer = res.finish();
|
||||
if enabled!(Level::DEBUG) {
|
||||
match std::str::from_utf8(&buffer) {
|
||||
Ok(text) => debug!("response: {text}"),
|
||||
Err(_) => debug!("response: {buffer:02x?}"),
|
||||
}
|
||||
}
|
||||
tx.write_all(&buffer).await?;
|
||||
self.response_buf = Some(buffer);
|
||||
tx.flush().await?;
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn handle_event(&mut self, event: DebugEvent) -> Option<Response> {
|
||||
let res = match event {
|
||||
DebugEvent::Stopped(reason) => {
|
||||
if self.stop_reason.is_some_and(|r| r == reason) {
|
||||
return None;
|
||||
}
|
||||
self.stop_reason = Some(reason);
|
||||
self.response()
|
||||
.write_str(&debug_stop_reason_string(self.stop_reason))
|
||||
}
|
||||
};
|
||||
Some(res)
|
||||
}
|
||||
|
||||
fn handle_request(&mut self, mut req: Request<'_>) -> Result<Option<Response>> {
|
||||
debug!("received {:02x?}", req);
|
||||
|
||||
if req.kind == RequestKind::Signal {
|
||||
self.client
|
||||
.send_command(EmulatorCommand::DebugInterrupt(self.sim_id));
|
||||
return Ok(None); // we'll send a message when the emulator reports it has stopped
|
||||
}
|
||||
|
||||
let res = if req.match_str("QStartNoAckMode") {
|
||||
let res = self.response().write_str("OK");
|
||||
self.ack_messages = false;
|
||||
res
|
||||
} else if req.match_str("qSupported:") {
|
||||
self.response()
|
||||
.write_str("multiprocess+;swbreak+;vContSupported+;PacketSize=10000;SupportedWatchpointTypes=x86_64,aarch64-bas,aarch64-mask")
|
||||
} else if req
|
||||
.match_some_str([
|
||||
"QThreadSuffixSupported",
|
||||
"QListThreadsInStopReply",
|
||||
"QEnableErrorStrings",
|
||||
])
|
||||
.is_some()
|
||||
{
|
||||
self.response().write_str("OK")
|
||||
} else if req.match_str("qHostInfo") {
|
||||
self.response().write_str(&format!(
|
||||
"triple:{};endian:little;ptrsize:4;",
|
||||
hex::encode("v810-unknown-vb")
|
||||
))
|
||||
} else if req.match_str("qProcessInfo") {
|
||||
self.response().write_str(&format!(
|
||||
"pid:1;triple:{};endian:little;ptrsize:4;",
|
||||
hex::encode("v810-unknown-vb")
|
||||
))
|
||||
} else if req.match_str("qRegisterInfo") {
|
||||
let mut get_reg_info = || {
|
||||
let register = req.match_hex::<usize>()?;
|
||||
REGISTERS.get(register)
|
||||
};
|
||||
if let Some(reg_info) = get_reg_info() {
|
||||
self.response().write_str(®_info.to_description())
|
||||
} else {
|
||||
self.response()
|
||||
}
|
||||
} else if req.match_str("vCont?") {
|
||||
self.response().write_str("vCont;c;s;")
|
||||
} else if req.match_str("qC") {
|
||||
// The v810 has no threads, so report that the "current thread" is 1.
|
||||
self.response().write_str("QCp1.t1")
|
||||
} else if req.match_str("qfThreadInfo") {
|
||||
self.response().write_str("mp1.t1")
|
||||
} else if req.match_str("qsThreadInfo") {
|
||||
self.response().write_str("l")
|
||||
} else if req.match_str("k") {
|
||||
bail!("debug process was killed");
|
||||
} else if req.match_str("?") {
|
||||
self.response()
|
||||
.write_str(&debug_stop_reason_string(self.stop_reason))
|
||||
} else if req.match_some_str(["c", "vCont;c:"]).is_some() {
|
||||
self.client
|
||||
.send_command(EmulatorCommand::DebugContinue(self.sim_id));
|
||||
self.stop_reason = None;
|
||||
// Don't send a response until we hit a breakpoint or get interrupted
|
||||
return Ok(None);
|
||||
} else if req.match_some_str(["s", "vCont;s:"]).is_some() {
|
||||
self.client
|
||||
.send_command(EmulatorCommand::DebugStep(self.sim_id));
|
||||
self.stop_reason = None;
|
||||
// Don't send a response until we hit a breakpoint or get interrupted
|
||||
return Ok(None);
|
||||
} else if req.match_str("p") {
|
||||
let mut read_register = || {
|
||||
let register_index = req.match_hex::<usize>()?;
|
||||
let register = REGISTERS.get(register_index)?.to_vb_register();
|
||||
let (tx, rx) = ::oneshot::channel();
|
||||
self.client
|
||||
.send_command(EmulatorCommand::ReadRegister(self.sim_id, register, tx));
|
||||
rx.recv().ok()
|
||||
};
|
||||
if let Some(value) = read_register() {
|
||||
self.response().write_hex(value)
|
||||
} else {
|
||||
self.response()
|
||||
}
|
||||
} else if req.match_str("P") {
|
||||
let mut write_register = || {
|
||||
let register_index = req.match_hex::<usize>()?;
|
||||
let register = REGISTERS.get(register_index)?.to_vb_register();
|
||||
if !req.match_str("=") {
|
||||
return None;
|
||||
}
|
||||
let value = {
|
||||
let mut buffer = [0; 4];
|
||||
if !req.match_hex_bytes(&mut buffer) {
|
||||
return None;
|
||||
}
|
||||
u32::from_le_bytes(buffer)
|
||||
};
|
||||
self.client.send_command(EmulatorCommand::WriteRegister(
|
||||
self.sim_id,
|
||||
register,
|
||||
value,
|
||||
));
|
||||
Some(())
|
||||
};
|
||||
if let Some(()) = write_register() {
|
||||
self.response().write_str("OK")
|
||||
} else {
|
||||
self.response()
|
||||
}
|
||||
} else if let Some(op) = req.match_some_str(["m", "x"]) {
|
||||
let mut read_memory = || {
|
||||
let (start, length) = parse_memory_range(&mut req)?;
|
||||
let mut buf = self.memory_buf.take().unwrap_or_default();
|
||||
buf.clear();
|
||||
if length == 0 {
|
||||
return Some(buf);
|
||||
}
|
||||
let (tx, rx) = ::oneshot::channel();
|
||||
self.client.send_command(EmulatorCommand::ReadMemory(
|
||||
self.sim_id,
|
||||
start,
|
||||
length,
|
||||
buf,
|
||||
tx,
|
||||
));
|
||||
rx.recv().ok()
|
||||
};
|
||||
if let Some(memory) = read_memory() {
|
||||
let mut res = self.response();
|
||||
if memory.is_empty() {
|
||||
res = res.write_str("OK");
|
||||
} else if op == "m" {
|
||||
// send the hex-encoded byte stream
|
||||
for byte in &memory {
|
||||
res = res.write_hex(*byte);
|
||||
}
|
||||
} else {
|
||||
// send the raw byte stream
|
||||
for byte in &memory {
|
||||
res = res.write_byte(*byte);
|
||||
}
|
||||
}
|
||||
self.memory_buf = Some(memory);
|
||||
res
|
||||
} else {
|
||||
self.response()
|
||||
}
|
||||
} else if let Some(op) = req.match_some_str(["M", "X"]) {
|
||||
let mut write_memory = || {
|
||||
let (start, length) = parse_memory_range(&mut req)?;
|
||||
if length == 0 {
|
||||
return Some(());
|
||||
}
|
||||
if !req.match_str(":") {
|
||||
return None;
|
||||
}
|
||||
let mut buf = self.memory_buf.take().unwrap_or_default();
|
||||
buf.resize(length, 0);
|
||||
let successful_read = if op == "M" {
|
||||
req.match_hex_bytes(&mut buf)
|
||||
} else {
|
||||
req.match_bytes(&mut buf)
|
||||
};
|
||||
if !successful_read {
|
||||
self.memory_buf = Some(buf);
|
||||
return None;
|
||||
}
|
||||
let (tx, rx) = ::oneshot::channel();
|
||||
self.client
|
||||
.send_command(EmulatorCommand::WriteMemory(self.sim_id, start, buf, tx));
|
||||
let buf = rx.recv().ok()?;
|
||||
self.memory_buf = Some(buf);
|
||||
Some(())
|
||||
};
|
||||
if write_memory().is_some() {
|
||||
self.response().write_str("OK")
|
||||
} else {
|
||||
self.response()
|
||||
}
|
||||
} else if req.match_str("Z") {
|
||||
let mut parse_request = || {
|
||||
let type_ = req.match_hex::<u8>()?;
|
||||
if !req.match_str(",") {
|
||||
return None;
|
||||
}
|
||||
let address = req.match_hex()?;
|
||||
if type_ == 0 || type_ == 1 {
|
||||
return Some(EmulatorCommand::AddBreakpoint(self.sim_id, address));
|
||||
}
|
||||
if !req.match_str(",") {
|
||||
return None;
|
||||
}
|
||||
let length = req.match_hex()?;
|
||||
let watch = match type_ {
|
||||
2 => VBWatchpointType::Write,
|
||||
3 => VBWatchpointType::Read,
|
||||
4 => VBWatchpointType::Access,
|
||||
_ => return None,
|
||||
};
|
||||
Some(EmulatorCommand::AddWatchpoint(
|
||||
self.sim_id,
|
||||
address,
|
||||
length,
|
||||
watch,
|
||||
))
|
||||
};
|
||||
if let Some(command) = parse_request() {
|
||||
self.client.send_command(command);
|
||||
self.response().write_str("OK")
|
||||
} else {
|
||||
self.response()
|
||||
}
|
||||
} else if req.match_str("z") {
|
||||
let mut parse_request = || {
|
||||
let type_ = req.match_hex::<u8>()?;
|
||||
if !req.match_str(",") {
|
||||
return None;
|
||||
}
|
||||
let address = req.match_hex()?;
|
||||
if type_ == 0 || type_ == 1 {
|
||||
return Some(EmulatorCommand::RemoveBreakpoint(self.sim_id, address));
|
||||
}
|
||||
if !req.match_str(",") {
|
||||
return None;
|
||||
}
|
||||
let length = req.match_hex()?;
|
||||
let watch = match type_ {
|
||||
2 => VBWatchpointType::Write,
|
||||
3 => VBWatchpointType::Read,
|
||||
4 => VBWatchpointType::Access,
|
||||
_ => return None,
|
||||
};
|
||||
Some(EmulatorCommand::RemoveWatchpoint(
|
||||
self.sim_id,
|
||||
address,
|
||||
length,
|
||||
watch,
|
||||
))
|
||||
};
|
||||
if let Some(command) = parse_request() {
|
||||
self.client.send_command(command);
|
||||
self.response().write_str("OK")
|
||||
} else {
|
||||
self.response()
|
||||
}
|
||||
} else {
|
||||
// unrecognized command
|
||||
self.response()
|
||||
};
|
||||
Ok(Some(res))
|
||||
}
|
||||
|
||||
fn response(&mut self) -> Response {
|
||||
Response::new(
|
||||
self.response_buf.take().unwrap_or_default(),
|
||||
self.ack_messages,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
impl Drop for GdbConnection {
|
||||
fn drop(&mut self) {
|
||||
self.client
|
||||
.send_command(EmulatorCommand::StopDebugging(self.sim_id));
|
||||
}
|
||||
}
|
||||
|
||||
// parse a memory range into a start and a length.
|
||||
fn parse_memory_range(req: &mut Request<'_>) -> Option<(u32, usize)> {
|
||||
let start = req.match_hex::<u64>()?;
|
||||
if !req.match_str(",") {
|
||||
return None;
|
||||
};
|
||||
let length = req.match_hex::<usize>()?;
|
||||
let Ok(start) = u32::try_from(start) else {
|
||||
// The v810 has a 32-bit address space.
|
||||
// Addresses wrap within that space, but we don't need to implement that for 64-bit addresses.
|
||||
// Just refuse to return any info for addresses above 0xffffffff.
|
||||
return Some((0, 0));
|
||||
};
|
||||
let length = length.min((u32::MAX - start) as usize + 1);
|
||||
Some((start, length))
|
||||
}
|
||||
|
||||
fn debug_stop_reason_string(reason: Option<DebugStopReason>) -> String {
|
||||
let mut result = String::new();
|
||||
result += if reason.is_some_and(|r| r != DebugStopReason::Paused) {
|
||||
"T05;"
|
||||
} else {
|
||||
"T00;"
|
||||
};
|
||||
if let Some(DebugStopReason::Breakpoint) = reason {
|
||||
result += "swbreak;";
|
||||
}
|
||||
if let Some(DebugStopReason::Watchpoint(watch, address)) = reason {
|
||||
result += match watch {
|
||||
VBWatchpointType::Write => "watch:",
|
||||
VBWatchpointType::Read => "rwatch:",
|
||||
VBWatchpointType::Access => "awatch:",
|
||||
};
|
||||
result += &format!("{address:08x};");
|
||||
}
|
||||
|
||||
result += "thread:p1.t1;threads:p1.t1;";
|
||||
|
||||
if let Some(reason) = reason {
|
||||
result += "reason:";
|
||||
result += match reason {
|
||||
DebugStopReason::Trace => "trace;",
|
||||
DebugStopReason::Breakpoint => "breakpoint;",
|
||||
DebugStopReason::Watchpoint(_, _) => "watchpoint;",
|
||||
DebugStopReason::Paused => "trap;",
|
||||
};
|
||||
}
|
||||
|
||||
if let Some(DebugStopReason::Watchpoint(_, address)) = reason {
|
||||
result += "description:";
|
||||
result += &hex::encode(address.to_string());
|
||||
result += ";";
|
||||
}
|
||||
|
||||
result
|
||||
}
|
||||
|
|
@ -0,0 +1,130 @@
|
|||
use crate::emulator::VBRegister;
|
||||
|
||||
pub struct RegisterInfo {
|
||||
dwarf: u32,
|
||||
name: &'static str,
|
||||
set: &'static str,
|
||||
alt_name: Option<&'static str>,
|
||||
generic: Option<&'static str>,
|
||||
}
|
||||
|
||||
impl RegisterInfo {
|
||||
pub fn to_description(&self) -> String {
|
||||
let mut string = format!("name:{}", self.name);
|
||||
if let Some(alt) = self.alt_name {
|
||||
string.push_str(&format!(";alt-name:{}", alt));
|
||||
}
|
||||
string.push_str(&format!(
|
||||
";bitsize:32;offset:{};encoding:uint;format:hex;set:{};dwarf:{}",
|
||||
self.dwarf * 4,
|
||||
self.set,
|
||||
self.dwarf
|
||||
));
|
||||
if let Some(generic) = self.generic {
|
||||
string.push_str(&format!(";generic:{}", generic));
|
||||
}
|
||||
string
|
||||
}
|
||||
|
||||
pub fn to_vb_register(&self) -> VBRegister {
|
||||
match self.dwarf {
|
||||
0..32 => VBRegister::Program(self.dwarf),
|
||||
32..40 => VBRegister::System(self.dwarf - 32),
|
||||
40..42 => VBRegister::System(self.dwarf - 16),
|
||||
42..45 => VBRegister::System(self.dwarf - 13),
|
||||
45 => VBRegister::PC,
|
||||
other => panic!("unexpected DWARF register {other}"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
macro_rules! register {
|
||||
($set:expr, $dwarf:expr, $name:expr) => {
|
||||
RegisterInfo {
|
||||
dwarf: $dwarf,
|
||||
name: $name,
|
||||
set: $set,
|
||||
alt_name: None,
|
||||
generic: None,
|
||||
}
|
||||
};
|
||||
($set:expr, $dwarf:expr, $name:expr, alt: $alt:expr) => {
|
||||
RegisterInfo {
|
||||
dwarf: $dwarf,
|
||||
name: $name,
|
||||
set: $set,
|
||||
alt_name: Some($alt),
|
||||
generic: None,
|
||||
}
|
||||
};
|
||||
($set:expr, $dwarf:expr, $name:expr, generic: $generic:expr) => {
|
||||
RegisterInfo {
|
||||
dwarf: $dwarf,
|
||||
name: $name,
|
||||
set: $set,
|
||||
alt_name: None,
|
||||
generic: Some($generic),
|
||||
}
|
||||
};
|
||||
($set:expr, $dwarf:expr, $name:expr, alt: $alt:expr, generic: $generic:expr) => {
|
||||
RegisterInfo {
|
||||
dwarf: $dwarf,
|
||||
name: $name,
|
||||
set: $set,
|
||||
alt_name: Some($alt),
|
||||
generic: Some($generic),
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
const GENERAL: &str = "General Purpose Registers";
|
||||
const SPECIAL: &str = "Special Registers";
|
||||
|
||||
pub const REGISTERS: [RegisterInfo; 46] = [
|
||||
register!(GENERAL, 0, "r0"),
|
||||
register!(GENERAL, 1, "r1"),
|
||||
register!(GENERAL, 2, "fp", alt: "r2", generic: "fp"),
|
||||
register!(GENERAL, 3, "sp", alt: "r3", generic: "sp"),
|
||||
register!(GENERAL, 4, "gp", alt: "r4"),
|
||||
register!(GENERAL, 5, "tp", alt: "r5"),
|
||||
register!(GENERAL, 6, "r6", generic: "arg1"),
|
||||
register!(GENERAL, 7, "r7", generic: "arg2"),
|
||||
register!(GENERAL, 8, "r8", generic: "arg3"),
|
||||
register!(GENERAL, 9, "r9", generic: "arg4"),
|
||||
register!(GENERAL, 10, "r10"),
|
||||
register!(GENERAL, 11, "r11"),
|
||||
register!(GENERAL, 12, "r12"),
|
||||
register!(GENERAL, 13, "r13"),
|
||||
register!(GENERAL, 14, "r14"),
|
||||
register!(GENERAL, 15, "r15"),
|
||||
register!(GENERAL, 16, "r16"),
|
||||
register!(GENERAL, 17, "r17"),
|
||||
register!(GENERAL, 18, "r18"),
|
||||
register!(GENERAL, 19, "r19"),
|
||||
register!(GENERAL, 20, "r20"),
|
||||
register!(GENERAL, 21, "r21"),
|
||||
register!(GENERAL, 22, "r22"),
|
||||
register!(GENERAL, 23, "r23"),
|
||||
register!(GENERAL, 24, "r24"),
|
||||
register!(GENERAL, 25, "r25"),
|
||||
register!(GENERAL, 26, "r26"),
|
||||
register!(GENERAL, 27, "r27"),
|
||||
register!(GENERAL, 28, "r28"),
|
||||
register!(GENERAL, 29, "r29"),
|
||||
register!(GENERAL, 30, "r30"),
|
||||
register!(GENERAL, 31, "lp", alt: "r31", generic: "ra"),
|
||||
register!(SPECIAL, 32, "eipc", alt: "sr0"),
|
||||
register!(SPECIAL, 33, "eipsw", alt: "sr1"),
|
||||
register!(SPECIAL, 34, "fepc", alt: "sr2"),
|
||||
register!(SPECIAL, 35, "fepsw", alt: "sr3"),
|
||||
register!(SPECIAL, 36, "ecr", alt: "sr4"),
|
||||
register!(SPECIAL, 37, "psw", alt: "sr5", generic: "flags"),
|
||||
register!(SPECIAL, 38, "pir", alt: "sr6"),
|
||||
register!(SPECIAL, 39, "tkcw", alt: "sr7"),
|
||||
register!(SPECIAL, 40, "chcw", alt: "sr24"),
|
||||
register!(SPECIAL, 41, "adtre", alt: "sr25"),
|
||||
register!(SPECIAL, 42, "sr29"),
|
||||
register!(SPECIAL, 43, "sr30"),
|
||||
register!(SPECIAL, 44, "sr31"),
|
||||
register!(SPECIAL, 45, "pc", generic: "pc"),
|
||||
];
|
||||
|
|
@ -0,0 +1,202 @@
|
|||
use anyhow::{bail, Result};
|
||||
use atoi::FromRadix16;
|
||||
use tokio::io::{AsyncRead, AsyncReadExt as _};
|
||||
|
||||
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
|
||||
pub enum RequestKind {
|
||||
Signal,
|
||||
Command,
|
||||
}
|
||||
impl RequestKind {
|
||||
fn name(self) -> &'static str {
|
||||
match self {
|
||||
Self::Signal => "Signal",
|
||||
Self::Command => "Command",
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct Request<'a> {
|
||||
pub kind: RequestKind,
|
||||
buffer: &'a [u8],
|
||||
}
|
||||
|
||||
impl std::fmt::Debug for Request<'_> {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
let mut ds = f.debug_tuple(self.kind.name());
|
||||
match self.kind {
|
||||
RequestKind::Signal => ds.field(&self.buffer),
|
||||
RequestKind::Command => match std::str::from_utf8(self.buffer) {
|
||||
Ok(str) => ds.field(&str),
|
||||
Err(_) => ds.field(&self.buffer),
|
||||
},
|
||||
};
|
||||
ds.finish()
|
||||
}
|
||||
}
|
||||
|
||||
impl Request<'_> {
|
||||
pub fn match_str(&mut self, prefix: &str) -> bool {
|
||||
if let Some(new_buffer) = self.buffer.strip_prefix(prefix.as_bytes()) {
|
||||
self.buffer = new_buffer;
|
||||
return true;
|
||||
}
|
||||
false
|
||||
}
|
||||
|
||||
pub fn match_some_str<'a, I: IntoIterator<Item = &'a str>>(
|
||||
&mut self,
|
||||
prefixes: I,
|
||||
) -> Option<&'a str> {
|
||||
prefixes.into_iter().find(|&prefix| self.match_str(prefix))
|
||||
}
|
||||
|
||||
pub fn match_hex<I: FromRadix16>(&mut self) -> Option<I> {
|
||||
match I::from_radix_16(self.buffer) {
|
||||
(_, 0) => None,
|
||||
(val, used) => {
|
||||
self.buffer = self.buffer.split_at(used).1;
|
||||
Some(val)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn match_hex_bytes(&mut self, buffer: &mut [u8]) -> bool {
|
||||
if self.buffer.len() < buffer.len() * 2 {
|
||||
return false;
|
||||
}
|
||||
for (i, item) in buffer.iter_mut().enumerate() {
|
||||
match u8::from_radix_16(&self.buffer[(i * 2)..(i * 2) + 2]) {
|
||||
(byte, 2) => *item = byte,
|
||||
_ => return false,
|
||||
};
|
||||
}
|
||||
self.buffer = self.buffer.split_at(buffer.len()).1;
|
||||
true
|
||||
}
|
||||
|
||||
pub fn match_bytes(&mut self, buffer: &mut [u8]) -> bool {
|
||||
if self.buffer.len() < buffer.len() {
|
||||
return false;
|
||||
}
|
||||
buffer.copy_from_slice(&self.buffer[0..buffer.len()]);
|
||||
self.buffer = self.buffer.split_at(buffer.len()).1;
|
||||
true
|
||||
}
|
||||
}
|
||||
|
||||
pub struct RequestSource<R> {
|
||||
reader: R,
|
||||
buffer: Vec<u8>,
|
||||
state: RequestReadState,
|
||||
}
|
||||
|
||||
impl<R: AsyncRead + Unpin> RequestSource<R> {
|
||||
pub fn new(reader: R) -> Self {
|
||||
Self {
|
||||
reader,
|
||||
buffer: vec![],
|
||||
state: RequestReadState::Header,
|
||||
}
|
||||
}
|
||||
|
||||
pub async fn recv(&mut self) -> Result<Request<'_>> {
|
||||
let mut char = self.reader.read_u8().await?;
|
||||
if matches!(self.state, RequestReadState::Start) {
|
||||
self.buffer.clear();
|
||||
self.state = RequestReadState::Header;
|
||||
}
|
||||
if matches!(self.state, RequestReadState::Header) {
|
||||
// Just ignore positive acks
|
||||
while char == b'+' {
|
||||
char = self.reader.read_u8().await?;
|
||||
}
|
||||
if char == b'-' {
|
||||
bail!("no support for negative acks");
|
||||
}
|
||||
if char == 0x03 {
|
||||
// This is how the client "cancels an in-flight request"
|
||||
self.buffer.push(char);
|
||||
self.state = RequestReadState::Start;
|
||||
return Ok(Request {
|
||||
kind: RequestKind::Signal,
|
||||
buffer: &self.buffer,
|
||||
});
|
||||
}
|
||||
if char != b'$' {
|
||||
// Messages are supposed to start with a dollar sign
|
||||
bail!("malformed message");
|
||||
}
|
||||
self.state = RequestReadState::Body {
|
||||
checksum: 0,
|
||||
escaping: false,
|
||||
};
|
||||
char = self.reader.read_u8().await?;
|
||||
}
|
||||
while let RequestReadState::Body { checksum, escaping } = &mut self.state {
|
||||
if char == b'#' && !*escaping {
|
||||
self.state = RequestReadState::Checksum {
|
||||
expected: *checksum,
|
||||
actual: 0,
|
||||
digits: 0,
|
||||
};
|
||||
char = self.reader.read_u8().await?;
|
||||
break;
|
||||
}
|
||||
*checksum = checksum.wrapping_add(char);
|
||||
|
||||
if *escaping {
|
||||
// escaped character
|
||||
self.buffer.push(char ^ 0x20);
|
||||
*escaping = false;
|
||||
} else if char == b'}' {
|
||||
// next character will be escaped
|
||||
*escaping = true;
|
||||
} else {
|
||||
self.buffer.push(char);
|
||||
}
|
||||
char = self.reader.read_u8().await?;
|
||||
}
|
||||
while let RequestReadState::Checksum {
|
||||
expected,
|
||||
actual,
|
||||
digits,
|
||||
} = &mut self.state
|
||||
{
|
||||
let digit = match char {
|
||||
b'0'..=b'9' => char - b'0',
|
||||
b'a'..=b'f' => char - b'a' + 10,
|
||||
b'A'..=b'F' => char - b'A' + 10,
|
||||
_ => bail!("invalid checksum"),
|
||||
};
|
||||
*actual = (*actual << 4) + digit;
|
||||
*digits += 1;
|
||||
if *digits == 2 {
|
||||
if *expected != *actual {
|
||||
bail!("mismatched checksum");
|
||||
}
|
||||
self.state = RequestReadState::Start;
|
||||
return Ok(Request {
|
||||
kind: RequestKind::Command,
|
||||
buffer: &self.buffer,
|
||||
});
|
||||
}
|
||||
char = self.reader.read_u8().await?;
|
||||
}
|
||||
unreachable!();
|
||||
}
|
||||
}
|
||||
|
||||
enum RequestReadState {
|
||||
Start,
|
||||
Header,
|
||||
Body {
|
||||
checksum: u8,
|
||||
escaping: bool,
|
||||
},
|
||||
Checksum {
|
||||
expected: u8,
|
||||
actual: u8,
|
||||
digits: u8,
|
||||
},
|
||||
}
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
use num_traits::ToBytes;
|
||||
|
||||
pub struct Response {
|
||||
buffer: Vec<u8>,
|
||||
checksum: u8,
|
||||
}
|
||||
|
||||
impl Response {
|
||||
pub fn new(mut buffer: Vec<u8>, ack: bool) -> Self {
|
||||
buffer.clear();
|
||||
if ack {
|
||||
buffer.push(b'+');
|
||||
}
|
||||
buffer.push(b'$');
|
||||
Self {
|
||||
buffer,
|
||||
checksum: 0,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn write_str(self, str: &str) -> Self {
|
||||
let mut me = self;
|
||||
for byte in str.as_bytes() {
|
||||
me = me.write_byte(*byte);
|
||||
}
|
||||
me
|
||||
}
|
||||
|
||||
pub fn write_byte(mut self, byte: u8) -> Self {
|
||||
if byte == b'}' || byte == b'#' || byte == b'$' || byte == b'*' {
|
||||
self.buffer.push(b'}');
|
||||
self.checksum = self.checksum.wrapping_add(b'}');
|
||||
let escaped = byte ^ 0x20;
|
||||
self.buffer.push(escaped);
|
||||
self.checksum = self.checksum.wrapping_add(escaped);
|
||||
} else {
|
||||
self.buffer.push(byte);
|
||||
self.checksum = self.checksum.wrapping_add(byte);
|
||||
}
|
||||
self
|
||||
}
|
||||
|
||||
pub fn write_hex<T: ToBytes>(mut self, value: T) -> Self {
|
||||
for byte in value.to_le_bytes().as_ref() {
|
||||
for digit in [(byte >> 4), (byte & 0xf)] {
|
||||
let char = if digit > 9 {
|
||||
b'a' + digit - 10
|
||||
} else {
|
||||
b'0' + digit
|
||||
};
|
||||
self.buffer.push(char);
|
||||
self.checksum = self.checksum.wrapping_add(char);
|
||||
}
|
||||
}
|
||||
self
|
||||
}
|
||||
|
||||
pub fn finish(mut self) -> Vec<u8> {
|
||||
let checksum = self.checksum;
|
||||
self.buffer.push(b'#');
|
||||
self.write_hex(checksum).buffer
|
||||
}
|
||||
}
|
||||
34
src/main.rs
34
src/main.rs
|
|
@ -3,17 +3,20 @@
|
|||
|
||||
use std::{path::PathBuf, process, time::SystemTime};
|
||||
|
||||
use anyhow::Result;
|
||||
use anyhow::{bail, Result};
|
||||
use app::Application;
|
||||
use clap::Parser;
|
||||
use emulator::EmulatorBuilder;
|
||||
use thread_priority::{ThreadBuilder, ThreadPriority};
|
||||
use tracing::error;
|
||||
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, EnvFilter, Layer};
|
||||
use winit::event_loop::{ControlFlow, EventLoop};
|
||||
|
||||
mod app;
|
||||
mod audio;
|
||||
mod controller;
|
||||
mod emulator;
|
||||
mod gdbserver;
|
||||
mod graphics;
|
||||
mod input;
|
||||
mod persistence;
|
||||
|
|
@ -21,7 +24,18 @@ mod window;
|
|||
|
||||
#[derive(Parser)]
|
||||
struct Args {
|
||||
/// The path to a virtual boy ROM to run.
|
||||
rom: Option<PathBuf>,
|
||||
/// Start a GDB/LLDB debug server on this port.
|
||||
#[arg(short, long)]
|
||||
debug_port: Option<u16>,
|
||||
}
|
||||
|
||||
fn init_logger() {
|
||||
let directives = std::env::var("RUST_LOG").unwrap_or("error,lemur=info".into());
|
||||
let filter = EnvFilter::builder().parse_lossy(directives);
|
||||
let layer = tracing_subscriber::fmt::layer().with_filter(filter);
|
||||
tracing_subscriber::registry().with(layer).init();
|
||||
}
|
||||
|
||||
fn set_panic_handler() {
|
||||
|
|
@ -71,6 +85,8 @@ fn set_process_priority_to_high() -> Result<()> {
|
|||
}
|
||||
|
||||
fn main() -> Result<()> {
|
||||
init_logger();
|
||||
|
||||
set_panic_handler();
|
||||
|
||||
#[cfg(windows)]
|
||||
|
|
@ -79,8 +95,14 @@ fn main() -> Result<()> {
|
|||
let args = Args::parse();
|
||||
|
||||
let (mut builder, client) = EmulatorBuilder::new();
|
||||
if let Some(path) = args.rom {
|
||||
builder = builder.with_rom(&path);
|
||||
if let Some(path) = &args.rom {
|
||||
builder = builder.with_rom(path);
|
||||
}
|
||||
if args.debug_port.is_some() {
|
||||
if args.rom.is_none() {
|
||||
bail!("to start debugging, please select a game.");
|
||||
}
|
||||
builder = builder.start_paused(true);
|
||||
}
|
||||
|
||||
ThreadBuilder::default()
|
||||
|
|
@ -89,8 +111,8 @@ fn main() -> Result<()> {
|
|||
.spawn_careless(move || {
|
||||
let mut emulator = match builder.build() {
|
||||
Ok(e) => e,
|
||||
Err(err) => {
|
||||
eprintln!("Error initializing emulator: {err}");
|
||||
Err(error) => {
|
||||
error!(%error, "Error initializing emulator");
|
||||
process::exit(1);
|
||||
}
|
||||
};
|
||||
|
|
@ -100,6 +122,6 @@ fn main() -> Result<()> {
|
|||
let event_loop = EventLoop::with_user_event().build().unwrap();
|
||||
event_loop.set_control_flow(ControlFlow::Poll);
|
||||
let proxy = event_loop.create_proxy();
|
||||
event_loop.run_app(&mut Application::new(client, proxy))?;
|
||||
event_loop.run_app(&mut Application::new(client, proxy, args.debug_port))?;
|
||||
Ok(())
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,16 +1,23 @@
|
|||
pub use about::AboutWindow;
|
||||
use egui::{Context, ViewportBuilder, ViewportId};
|
||||
pub use game::GameWindow;
|
||||
pub use gdb::GdbServerWindow;
|
||||
pub use input::InputWindow;
|
||||
use winit::event::KeyEvent;
|
||||
|
||||
use crate::emulator::SimId;
|
||||
|
||||
mod about;
|
||||
mod game;
|
||||
mod game_screen;
|
||||
mod gdb;
|
||||
mod input;
|
||||
|
||||
pub trait AppWindow {
|
||||
fn viewport_id(&self) -> ViewportId;
|
||||
fn sim_id(&self) -> SimId {
|
||||
SimId::Player1
|
||||
}
|
||||
fn initial_viewport(&self) -> ViewportBuilder;
|
||||
fn show(&mut self, ctx: &Context);
|
||||
fn on_init(&mut self, render_state: &egui_wgpu::RenderState) {
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ use std::sync::mpsc;
|
|||
|
||||
use crate::{
|
||||
app::UserEvent,
|
||||
emulator::{EmulatorClient, EmulatorCommand, SimId},
|
||||
emulator::{EmulatorClient, EmulatorCommand, EmulatorState, SimId, SimState},
|
||||
persistence::Persistence,
|
||||
};
|
||||
use egui::{
|
||||
|
|
@ -73,26 +73,29 @@ impl GameWindow {
|
|||
.pick_file();
|
||||
if let Some(path) = rom {
|
||||
self.client
|
||||
.send_command(EmulatorCommand::LoadGame(SimId::Player1, path));
|
||||
.send_command(EmulatorCommand::LoadGame(self.sim_id, path));
|
||||
}
|
||||
ui.close_menu();
|
||||
}
|
||||
if ui.button("Quit").clicked() {
|
||||
ctx.send_viewport_cmd(ViewportCommand::Close);
|
||||
let _ = self.proxy.send_event(UserEvent::Quit(self.sim_id));
|
||||
}
|
||||
});
|
||||
ui.menu_button("Emulation", |ui| {
|
||||
let has_game = self.client.has_game(self.sim_id);
|
||||
if self.client.is_running(self.sim_id) {
|
||||
if ui.add_enabled(has_game, Button::new("Pause")).clicked() {
|
||||
let state = self.client.emulator_state();
|
||||
let is_ready = self.client.sim_state(self.sim_id) == SimState::Ready;
|
||||
let can_pause = is_ready && state == EmulatorState::Running;
|
||||
let can_resume = is_ready && state == EmulatorState::Paused;
|
||||
if state == EmulatorState::Running {
|
||||
if ui.add_enabled(can_pause, Button::new("Pause")).clicked() {
|
||||
self.client.send_command(EmulatorCommand::Pause);
|
||||
ui.close_menu();
|
||||
}
|
||||
} else if ui.add_enabled(has_game, Button::new("Resume")).clicked() {
|
||||
} else if ui.add_enabled(can_resume, Button::new("Resume")).clicked() {
|
||||
self.client.send_command(EmulatorCommand::Resume);
|
||||
ui.close_menu();
|
||||
}
|
||||
if ui.add_enabled(has_game, Button::new("Reset")).clicked() {
|
||||
if ui.add_enabled(is_ready, Button::new("Reset")).clicked() {
|
||||
self.client
|
||||
.send_command(EmulatorCommand::Reset(self.sim_id));
|
||||
ui.close_menu();
|
||||
|
|
@ -100,8 +103,9 @@ impl GameWindow {
|
|||
});
|
||||
ui.menu_button("Options", |ui| self.show_options_menu(ctx, ui));
|
||||
ui.menu_button("Multiplayer", |ui| {
|
||||
let has_player_2 = self.client.sim_state(SimId::Player2) != SimState::Uninitialized;
|
||||
if self.sim_id == SimId::Player1
|
||||
&& !self.client.has_player_2()
|
||||
&& !has_player_2
|
||||
&& ui.button("Open Player 2").clicked()
|
||||
{
|
||||
self.client
|
||||
|
|
@ -109,7 +113,7 @@ impl GameWindow {
|
|||
self.proxy.send_event(UserEvent::OpenPlayer2).unwrap();
|
||||
ui.close_menu();
|
||||
}
|
||||
if self.client.has_player_2() {
|
||||
if has_player_2 {
|
||||
let linked = self.client.are_sims_linked();
|
||||
if linked && ui.button("Unlink").clicked() {
|
||||
self.client.send_command(EmulatorCommand::Unlink);
|
||||
|
|
@ -121,6 +125,14 @@ impl GameWindow {
|
|||
}
|
||||
}
|
||||
});
|
||||
ui.menu_button("Tools", |ui| {
|
||||
if ui.button("GDB Server").clicked() {
|
||||
self.proxy
|
||||
.send_event(UserEvent::OpenDebugger(self.sim_id))
|
||||
.unwrap();
|
||||
ui.close_menu();
|
||||
}
|
||||
});
|
||||
ui.menu_button("About", |ui| {
|
||||
self.proxy.send_event(UserEvent::OpenAbout).unwrap();
|
||||
ui.close_menu();
|
||||
|
|
@ -199,7 +211,7 @@ impl GameWindow {
|
|||
let color_str = |color: Color32| {
|
||||
format!("{:02x}{:02x}{:02x}", color.r(), color.g(), color.b())
|
||||
};
|
||||
let is_running = self.client.is_running(self.sim_id);
|
||||
let is_running = self.client.emulator_state() == EmulatorState::Running;
|
||||
if is_running {
|
||||
self.client.send_command(EmulatorCommand::Pause);
|
||||
}
|
||||
|
|
@ -306,6 +318,10 @@ impl AppWindow for GameWindow {
|
|||
}
|
||||
}
|
||||
|
||||
fn sim_id(&self) -> SimId {
|
||||
self.sim_id
|
||||
}
|
||||
|
||||
fn initial_viewport(&self) -> ViewportBuilder {
|
||||
ViewportBuilder::default()
|
||||
.with_title("Lemur")
|
||||
|
|
@ -369,6 +385,7 @@ impl AppWindow for GameWindow {
|
|||
if self.sim_id == SimId::Player2 {
|
||||
self.client.send_command(EmulatorCommand::StopSecondSim);
|
||||
}
|
||||
let _ = self.proxy.send_event(UserEvent::Quit(self.sim_id));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,111 @@
|
|||
use egui::{Button, CentralPanel, TextEdit, ViewportBuilder, ViewportId};
|
||||
use winit::event_loop::EventLoopProxy;
|
||||
|
||||
use crate::{
|
||||
app::UserEvent,
|
||||
emulator::{EmulatorClient, SimId, SimState},
|
||||
gdbserver::{GdbServer, GdbServerStatus},
|
||||
};
|
||||
|
||||
use super::AppWindow;
|
||||
|
||||
pub struct GdbServerWindow {
|
||||
sim_id: SimId,
|
||||
client: EmulatorClient,
|
||||
port_str: String,
|
||||
connected: bool,
|
||||
quit_on_disconnect: bool,
|
||||
server: GdbServer,
|
||||
proxy: EventLoopProxy<UserEvent>,
|
||||
}
|
||||
|
||||
impl GdbServerWindow {
|
||||
pub fn new(sim_id: SimId, client: EmulatorClient, proxy: EventLoopProxy<UserEvent>) -> Self {
|
||||
Self {
|
||||
sim_id,
|
||||
client: client.clone(),
|
||||
port_str: (8080 + sim_id.to_index()).to_string(),
|
||||
connected: false,
|
||||
quit_on_disconnect: false,
|
||||
server: GdbServer::new(sim_id, client),
|
||||
proxy,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn launch(&mut self, port: u16) {
|
||||
self.server.stop();
|
||||
self.port_str = port.to_string();
|
||||
self.quit_on_disconnect = true;
|
||||
self.server.start(port);
|
||||
self.connected = true;
|
||||
}
|
||||
}
|
||||
|
||||
impl AppWindow for GdbServerWindow {
|
||||
fn viewport_id(&self) -> ViewportId {
|
||||
ViewportId::from_hash_of(format!("Debugger-{}", self.sim_id))
|
||||
}
|
||||
|
||||
fn sim_id(&self) -> SimId {
|
||||
self.sim_id
|
||||
}
|
||||
|
||||
fn initial_viewport(&self) -> ViewportBuilder {
|
||||
ViewportBuilder::default()
|
||||
.with_title(format!("GDB Server ({})", self.sim_id))
|
||||
.with_inner_size((300.0, 200.0))
|
||||
}
|
||||
|
||||
fn show(&mut self, ctx: &egui::Context) {
|
||||
let port_num: Option<u16> = self.port_str.parse().ok();
|
||||
let status = self.server.status();
|
||||
CentralPanel::default().show(ctx, |ui| {
|
||||
ui.horizontal(|ui| {
|
||||
if port_num.is_none() {
|
||||
let style = ui.style_mut();
|
||||
let error = style.visuals.error_fg_color;
|
||||
style.visuals.widgets.active.bg_stroke.color = error;
|
||||
style.visuals.widgets.hovered.bg_stroke.color = error;
|
||||
}
|
||||
ui.label("Port");
|
||||
let port_editor = TextEdit::singleline(&mut self.port_str).desired_width(100.0);
|
||||
ui.add_enabled(!status.running(), port_editor);
|
||||
ui.checkbox(&mut self.quit_on_disconnect, "Quit on disconnect");
|
||||
});
|
||||
|
||||
if !status.running() {
|
||||
if self.connected && self.quit_on_disconnect {
|
||||
self.proxy.send_event(UserEvent::Quit(self.sim_id)).unwrap();
|
||||
} else {
|
||||
self.connected = false;
|
||||
}
|
||||
let start_button = Button::new("Start");
|
||||
let can_start =
|
||||
port_num.is_some() && self.client.sim_state(self.sim_id) == SimState::Ready;
|
||||
if ui.add_enabled(can_start, start_button).clicked() {
|
||||
let port = port_num.unwrap();
|
||||
self.server.start(port);
|
||||
self.connected = true;
|
||||
}
|
||||
} else {
|
||||
let stop_button = Button::new("Stop");
|
||||
if ui.add(stop_button).clicked() {
|
||||
self.server.stop();
|
||||
}
|
||||
}
|
||||
|
||||
match &status {
|
||||
GdbServerStatus::Stopped => {}
|
||||
GdbServerStatus::Connecting => {
|
||||
ui.label("Connecting...");
|
||||
}
|
||||
GdbServerStatus::Running => {
|
||||
ui.label("Running");
|
||||
}
|
||||
GdbServerStatus::Error(message) => {
|
||||
ui.label(message);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue