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hacking in a wasm interpreter

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Able 2023-04-05 12:29:20 -05:00
parent 0a77e691d7
commit 20e3ce15be
10 changed files with 355 additions and 108 deletions
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Cargo.lock generated
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@ -2,6 +2,28 @@
# It is not intended for manual editing. # It is not intended for manual editing.
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source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973" checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
[[package]]
name = "version_check"
version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
[[package]] [[package]]
name = "versioning" name = "versioning"
version = "0.1.2" version = "0.1.3"
source = "git+https://git.ablecorp.us/able/aos_userland#a9a2514de31c10c1f02956f3513a636e2c5190ff" source = "git+https://git.ablecorp.us/ableos/ableos_userland#389c85d6a4ed06dce5aa044257e881d1547edfdb"
dependencies = [ dependencies = [
"serde", "serde",
] ]
[[package]] [[package]]
name = "volatile" name = "volatile"
version = "0.4.5" version = "0.4.6"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e3ca98349dda8a60ae74e04fd90c7fb4d6a4fbe01e6d3be095478aa0b76f6c0c" checksum = "442887c63f2c839b346c192d047a7c87e73d0689c9157b00b53dcc27dd5ea793"
[[package]] [[package]]
name = "wasi" name = "wasi"
@ -677,6 +790,12 @@ version = "0.10.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f" checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
[[package]]
name = "wasi"
version = "0.11.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
[[package]] [[package]]
name = "wasm-bindgen" name = "wasm-bindgen"
version = "0.2.84" version = "0.2.84"
@ -698,7 +817,7 @@ dependencies = [
"once_cell", "once_cell",
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 1.0.109",
"wasm-bindgen-shared", "wasm-bindgen-shared",
] ]
@ -720,7 +839,7 @@ checksum = "2aff81306fcac3c7515ad4e177f521b5c9a15f2b08f4e32d823066102f35a5f6"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn", "syn 1.0.109",
"wasm-bindgen-backend", "wasm-bindgen-backend",
"wasm-bindgen-shared", "wasm-bindgen-shared",
] ]
@ -731,6 +850,46 @@ version = "0.2.84"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0046fef7e28c3804e5e38bfa31ea2a0f73905319b677e57ebe37e49358989b5d" checksum = "0046fef7e28c3804e5e38bfa31ea2a0f73905319b677e57ebe37e49358989b5d"
[[package]]
name = "wasmi"
version = "0.29.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "677160b1166881badada1137afc6457777126f328ae63a18058b504f546f0828"
dependencies = [
"smallvec",
"spin",
"wasmi_arena",
"wasmi_core",
"wasmparser-nostd",
]
[[package]]
name = "wasmi_arena"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "401c1f35e413fac1846d4843745589d9ec678977ab35a384db8ae7830525d468"
[[package]]
name = "wasmi_core"
version = "0.12.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "624e6333e861ef49095d2d678b76ebf30b06bf37effca845be7e5b87c90071b7"
dependencies = [
"downcast-rs",
"libm",
"num-traits",
"paste",
]
[[package]]
name = "wasmparser-nostd"
version = "0.100.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9157cab83003221bfd385833ab587a039f5d6fa7304854042ba358a3b09e0724"
dependencies = [
"indexmap-nostd",
]
[[package]] [[package]]
name = "winapi" name = "winapi"
version = "0.3.9" version = "0.3.9"
@ -764,11 +923,11 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]] [[package]]
name = "windows" name = "windows"
version = "0.47.0" version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2649ff315bee4c98757f15dac226efe3d81927adbb6e882084bb1ee3e0c330a7" checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f"
dependencies = [ dependencies = [
"windows-targets 0.47.0", "windows-targets 0.48.0",
] ]
[[package]] [[package]]
@ -780,6 +939,15 @@ dependencies = [
"windows-targets 0.42.2", "windows-targets 0.42.2",
] ]
[[package]]
name = "windows-sys"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
dependencies = [
"windows-targets 0.48.0",
]
[[package]] [[package]]
name = "windows-targets" name = "windows-targets"
version = "0.42.2" version = "0.42.2"
@ -797,17 +965,17 @@ dependencies = [
[[package]] [[package]]
name = "windows-targets" name = "windows-targets"
version = "0.47.0" version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2f8996d3f43b4b2d44327cd71b7b0efd1284ab60e6e9d0e8b630e18555d87d3e" checksum = "7b1eb6f0cd7c80c79759c929114ef071b87354ce476d9d94271031c0497adfd5"
dependencies = [ dependencies = [
"windows_aarch64_gnullvm 0.47.0", "windows_aarch64_gnullvm 0.48.0",
"windows_aarch64_msvc 0.47.0", "windows_aarch64_msvc 0.48.0",
"windows_i686_gnu 0.47.0", "windows_i686_gnu 0.48.0",
"windows_i686_msvc 0.47.0", "windows_i686_msvc 0.48.0",
"windows_x86_64_gnu 0.47.0", "windows_x86_64_gnu 0.48.0",
"windows_x86_64_gnullvm 0.47.0", "windows_x86_64_gnullvm 0.48.0",
"windows_x86_64_msvc 0.47.0", "windows_x86_64_msvc 0.48.0",
] ]
[[package]] [[package]]
@ -818,9 +986,9 @@ checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
[[package]] [[package]]
name = "windows_aarch64_gnullvm" name = "windows_aarch64_gnullvm"
version = "0.47.0" version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "831d567d53d4f3cb1db332b68e6e2b6260228eb4d99a777d8b2e8ed794027c90" checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
[[package]] [[package]]
name = "windows_aarch64_msvc" name = "windows_aarch64_msvc"
@ -830,9 +998,9 @@ checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
[[package]] [[package]]
name = "windows_aarch64_msvc" name = "windows_aarch64_msvc"
version = "0.47.0" version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6a42d54a417c60ce4f0e31661eed628f0fa5aca73448c093ec4d45fab4c51cdf" checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
[[package]] [[package]]
name = "windows_i686_gnu" name = "windows_i686_gnu"
@ -842,9 +1010,9 @@ checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
[[package]] [[package]]
name = "windows_i686_gnu" name = "windows_i686_gnu"
version = "0.47.0" version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c1925beafdbb22201a53a483db861a5644123157c1c3cee83323a2ed565d71e3" checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
[[package]] [[package]]
name = "windows_i686_msvc" name = "windows_i686_msvc"
@ -854,9 +1022,9 @@ checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
[[package]] [[package]]
name = "windows_i686_msvc" name = "windows_i686_msvc"
version = "0.47.0" version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3a8ef8f2f1711b223947d9b69b596cf5a4e452c930fb58b6fc3fdae7d0ec6b31" checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
[[package]] [[package]]
name = "windows_x86_64_gnu" name = "windows_x86_64_gnu"
@ -866,9 +1034,9 @@ checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
[[package]] [[package]]
name = "windows_x86_64_gnu" name = "windows_x86_64_gnu"
version = "0.47.0" version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7acaa0c2cf0d2ef99b61c308a0c3dbae430a51b7345dedec470bd8f53f5a3642" checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
[[package]] [[package]]
name = "windows_x86_64_gnullvm" name = "windows_x86_64_gnullvm"
@ -878,9 +1046,9 @@ checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
[[package]] [[package]]
name = "windows_x86_64_gnullvm" name = "windows_x86_64_gnullvm"
version = "0.47.0" version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e5a0628f71be1d11e17ca4a0e9e15b3a5180f6fbf1c2d55e3ba3f850378052c1" checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
[[package]] [[package]]
name = "windows_x86_64_msvc" name = "windows_x86_64_msvc"
@ -890,9 +1058,9 @@ checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
[[package]] [[package]]
name = "windows_x86_64_msvc" name = "windows_x86_64_msvc"
version = "0.47.0" version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9d6e62c256dc6d40b8c8707df17df8d774e60e39db723675241e7c15e910bce7" checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
[[package]] [[package]]
name = "x2apic" name = "x2apic"

9
kernel/Cargo.toml
View file

@ -2,6 +2,7 @@
edition = "2021" edition = "2021"
name = "kernel" name = "kernel"
version = "0.2.0" version = "0.2.0"
resolver = "2"
[dependencies] [dependencies]
error-stack = { version = "0.3", default-features = false } error-stack = { version = "0.3", default-features = false }
@ -9,7 +10,12 @@ log = "0.4"
spin = "0.9" spin = "0.9"
uart_16550 = "0.2" uart_16550 = "0.2"
slab = { version = "0.4", default-features = false } slab = { version = "0.4", default-features = false }
versioning = { git = "https://git.ablecorp.us/able/aos_userland" } # xml = { git = "https://git.ablecorp.us/ableos/ableos_userland" }
clparse = { git = "https://git.ablecorp.us/ableos/ableos_userland", default-features = false }
versioning = { git = "https://git.ablecorp.us/ableos/ableos_userland" }
wasmi = { version = "0.29.0", default-features = false }
[dependencies.crossbeam-queue] [dependencies.crossbeam-queue]
version = "0.3" version = "0.3"
@ -32,6 +38,7 @@ features = [
"sum", "sum",
] ]
[target.'cfg(target_arch = "x86_64")'.dependencies] [target.'cfg(target_arch = "x86_64")'.dependencies]
limine = { version = "0.1", git = "https://github.com/limine-bootloader/limine-rs" } limine = { version = "0.1", git = "https://github.com/limine-bootloader/limine-rs" }
x86_64 = "0.14" x86_64 = "0.14"

1
kernel/src/arch/x86_64/mod.rs
View file

@ -50,6 +50,7 @@ unsafe extern "C" fn _kernel_start() -> ! {
static KFILE_REQ: KernelFileRequest = KernelFileRequest::new(0); static KFILE_REQ: KernelFileRequest = KernelFileRequest::new(0);
static MOD_REQ: ModuleRequest = ModuleRequest::new(0); static MOD_REQ: ModuleRequest = ModuleRequest::new(0);
crate::kmain::kmain( crate::kmain::kmain(
KFILE_REQ KFILE_REQ
.get_response() .get_response()

46
kernel/src/interp.rs Normal file
View file

@ -0,0 +1,46 @@
use alloc::vec::Vec;
use log::trace;
use wasmi::{Caller, Func, Linker, Module, Store};
pub fn wasm() -> Result<(), wasmi::Error> {
use wasmi::Config;
use wasmi::Engine;
trace!("");
let conf = Config::default();
let engine = Engine::new(&conf);
trace!("Engine constructed");
let wasm = include_bytes!("../../wasm_syscall_test.wasm");
trace!("Loading WASM binary");
let module = Module::new(&engine, &wasm[..]).unwrap();
trace!("Constructing wasm module");
let mut store = Store::new(&engine, 42);
trace!("constructing host store");
let read_mem_addr = Func::wrap(&mut store, |caller: Caller<'_, HostState>, param: u64| {
read_memory_address(caller, param);
panic!(":)")
});
let mut linker = <Linker<HostState>>::new(&engine);
linker.define("host", "read_mem_addr", read_mem_addr)?;
trace!("Linked read_mem_addr");
let instance = linker.instantiate(&mut store, &module)?.start(&mut store)?;
trace!("Instanced the engine and module");
let hello = instance.get_typed_func::<(), ()>(&store, "_start")?;
hello.call(&mut store, ())?;
trace!("Called _start");
Ok(())
}
pub type HostState = u32;
pub fn read_memory_address(caller: Caller<'_, HostState>, address: u64) -> u64 {
trace!("Address: {}", address);
0
}

32
kernel/src/kmain.rs
View file

@ -1,15 +1,39 @@
//! AbleOS Kernel Entrypoint //! AbleOS Kernel Entrypoint
use log::{info, trace};
use crate::arch::sloop;
use crate::{interp, task};
use crate::alloc::string::ToString;
pub fn kmain(cmdline: &str, bootstrap: Option<&'static [u8]>) -> ! { pub fn kmain(cmdline: &str, bootstrap: Option<&'static [u8]>) -> ! {
log::debug!("Entered kmain"); log::debug!("Entered kmain");
// TODO: Actual cmdline parsing (Serde?) let mut cmdline = cmdline.to_string();
if cmdline.contains("baka=9") { cmdline.pop();
cmdline.remove(0);
let kcmd = clparse::Arguments::parse(cmdline.to_string()).unwrap();
log::info!("Cmdline: {kcmd:?}");
if kcmd.arguments.get("baka") == Some(&"9".to_string()) {
let _ = crate::arch::log(format_args!(include_str!("../data/⑨. バカ"))); let _ = crate::arch::log(format_args!(include_str!("../data/⑨. バカ")));
} }
log::info!("Cmdline: \"{cmdline}\""); let bootstrap = bootstrap/*.expect("no bootstrap found")*/;
let bootstrap = bootstrap.expect("no bootstrap found"); match bootstrap {
Some(bootstrap_mod) => {}
None => {
info!("No bootstrap module loaded.")
}
}
// use xml::XMLElement;
// let kcmd = XMLElement::new("cmdline");
let abc = interp::wasm();
trace!("{:?}", abc);
crate::arch::sloop() crate::arch::sloop()
} }

1
kernel/src/lib.rs
View file

@ -15,6 +15,7 @@ extern crate alloc;
mod allocator; mod allocator;
mod arch; mod arch;
pub mod interp;
mod kmain; mod kmain;
mod logger; mod logger;
mod memory; mod memory;

2
limine

@ -1 +1 @@
Subproject commit 2b12406a79d9bd0a4bc0c06f6261ecb72f51c9c2 Subproject commit 751e802e173392e8637759e2b3c96bbf59456f87

4
repbuild/limine.cfg
View file

@ -13,9 +13,9 @@ TERM_BACKDROP=008080
COMMENT=Default AbleOS boot entry. COMMENT=Default AbleOS boot entry.
PROTOCOL=limine PROTOCOL=limine
KERNEL_PATH=${ABLEOS_KERNEL} KERNEL_PATH=${ABLEOS_KERNEL}
KERNEL_CMDLINE= KERNEL_CMDLINE="hi=true bye=false baka=9"
# Setting a default resolution for the framebuffer # Setting a default resolution for the framebuffer
RESOLUTION=1024x768x24 RESOLUTION=1024x768x24
# MODULE_PATH=boot:///boot/initrd.tar MODULE_PATH=boot:///boot/fs.wasm
# MODULE_CMDLINE=This is the first module. # MODULE_CMDLINE=This is the first module.

2
repbuild/src/main.rs
View file

@ -156,7 +156,7 @@ fn run(release: bool, target: Target) -> Result<(), Error> {
"-bios", "-bios",
std::env::var("REPBUILD_QEMU_FIRMWARE_PATH") std::env::var("REPBUILD_QEMU_FIRMWARE_PATH")
.as_deref() .as_deref()
.unwrap_or("/usr/share/OVMF/OVMF_CODE.fd"), .unwrap_or("/usr/share/ovmf/x64/OVMF_CODE.fd"),
"-drive", "file=target/disk.img,format=raw", "-drive", "file=target/disk.img,format=raw",
"-m", "4G", "-m", "4G",
"-serial", "stdio", "-serial", "stdio",

BIN
wasm_syscall_test.wasm Executable file
View file

Binary file not shown.