forked from AbleOS/holey-bytes
moving codegen to instrs alongside disasm
This commit is contained in:
mlokr
parent
31c501c643
commit
ede18f86f8
5
.gitignore
vendored
5
.gitignore
vendored
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@ -1,7 +1,4 @@
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/target
|
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/hbbytecode/src/opcode.rs
|
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/hbbytecode/src/ops.rs
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/hblang/src/instrs.rs
|
||||
/hblang/src/disasm.rs
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/hbbytecode/src/instrs.rs
|
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/.rgignore
|
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rust-ice-*
|
||||
|
|
|
|||
295
Cargo.lock
generated
Normal file
295
Cargo.lock
generated
Normal file
|
|
@ -0,0 +1,295 @@
|
|||
# This file is automatically @generated by Cargo.
|
||||
# It is not intended for manual editing.
|
||||
version = 3
|
||||
|
||||
[[package]]
|
||||
name = "ahash"
|
||||
version = "0.8.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"once_cell",
|
||||
"version_check",
|
||||
"zerocopy",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "arbitrary"
|
||||
version = "1.3.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
|
||||
|
||||
[[package]]
|
||||
name = "bumpalo"
|
||||
version = "3.16.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
|
||||
|
||||
[[package]]
|
||||
name = "cfg-if"
|
||||
version = "1.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
|
||||
|
||||
[[package]]
|
||||
name = "cranelift-bforest"
|
||||
version = "0.113.0"
|
||||
source = "git+https://github.com/jakubDoka/wasmtime.git#a27ac7aed78fae886e45f119139a1e54b20dd523"
|
||||
dependencies = [
|
||||
"cranelift-entity",
|
||||
]
|
||||
|
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[[package]]
|
||||
name = "cranelift-bitset"
|
||||
version = "0.113.0"
|
||||
source = "git+https://github.com/jakubDoka/wasmtime.git#a27ac7aed78fae886e45f119139a1e54b20dd523"
|
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|
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[[package]]
|
||||
name = "cranelift-codegen"
|
||||
version = "0.113.0"
|
||||
source = "git+https://github.com/jakubDoka/wasmtime.git#a27ac7aed78fae886e45f119139a1e54b20dd523"
|
||||
dependencies = [
|
||||
"bumpalo",
|
||||
"cranelift-bforest",
|
||||
"cranelift-bitset",
|
||||
"cranelift-codegen-meta",
|
||||
"cranelift-codegen-shared",
|
||||
"cranelift-control",
|
||||
"cranelift-entity",
|
||||
"cranelift-isle",
|
||||
"hashbrown",
|
||||
"log",
|
||||
"regalloc2 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rustc-hash",
|
||||
"smallvec",
|
||||
"target-lexicon",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cranelift-codegen-meta"
|
||||
version = "0.113.0"
|
||||
source = "git+https://github.com/jakubDoka/wasmtime.git#a27ac7aed78fae886e45f119139a1e54b20dd523"
|
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dependencies = [
|
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"cranelift-codegen-shared",
|
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]
|
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|
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[[package]]
|
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name = "cranelift-codegen-shared"
|
||||
version = "0.113.0"
|
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source = "git+https://github.com/jakubDoka/wasmtime.git#a27ac7aed78fae886e45f119139a1e54b20dd523"
|
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|
||||
[[package]]
|
||||
name = "cranelift-control"
|
||||
version = "0.113.0"
|
||||
source = "git+https://github.com/jakubDoka/wasmtime.git#a27ac7aed78fae886e45f119139a1e54b20dd523"
|
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dependencies = [
|
||||
"arbitrary",
|
||||
]
|
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|
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[[package]]
|
||||
name = "cranelift-entity"
|
||||
version = "0.113.0"
|
||||
source = "git+https://github.com/jakubDoka/wasmtime.git#a27ac7aed78fae886e45f119139a1e54b20dd523"
|
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dependencies = [
|
||||
"cranelift-bitset",
|
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]
|
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|
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[[package]]
|
||||
name = "cranelift-isle"
|
||||
version = "0.113.0"
|
||||
source = "git+https://github.com/jakubDoka/wasmtime.git#a27ac7aed78fae886e45f119139a1e54b20dd523"
|
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|
||||
[[package]]
|
||||
name = "hashbrown"
|
||||
version = "0.14.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
|
||||
dependencies = [
|
||||
"ahash",
|
||||
]
|
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|
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[[package]]
|
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name = "hbbytecode"
|
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version = "0.1.0"
|
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|
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[[package]]
|
||||
name = "hbcb"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
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"cranelift-codegen",
|
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"cranelift-codegen-meta",
|
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"cranelift-control",
|
||||
"cranelift-isle",
|
||||
"log",
|
||||
"regalloc2 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"smallvec",
|
||||
"target-lexicon",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "hbjit"
|
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version = "0.1.0"
|
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|
||||
[[package]]
|
||||
name = "hblang"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"hbbytecode",
|
||||
"hbvm",
|
||||
"regalloc2 0.10.2 (git+https://github.com/jakubDoka/regalloc2)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "hbvm"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"hbbytecode",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "hbxrt"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"hbvm",
|
||||
"memmap2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "libc"
|
||||
version = "0.2.158"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d8adc4bb1803a324070e64a98ae98f38934d91957a99cfb3a43dcbc01bc56439"
|
||||
|
||||
[[package]]
|
||||
name = "log"
|
||||
version = "0.4.22"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
|
||||
|
||||
[[package]]
|
||||
name = "memmap2"
|
||||
version = "0.9.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fd3f7eed9d3848f8b98834af67102b720745c4ec028fcd0aa0239277e7de374f"
|
||||
dependencies = [
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "once_cell"
|
||||
version = "1.19.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "1.0.86"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77"
|
||||
dependencies = [
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "quote"
|
||||
version = "1.0.37"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regalloc2"
|
||||
version = "0.10.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "12908dbeb234370af84d0579b9f68258a0f67e201412dd9a2814e6f45b2fc0f0"
|
||||
dependencies = [
|
||||
"hashbrown",
|
||||
"log",
|
||||
"rustc-hash",
|
||||
"slice-group-by",
|
||||
"smallvec",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regalloc2"
|
||||
version = "0.10.2"
|
||||
source = "git+https://github.com/jakubDoka/regalloc2#7e74b2fde4f022816cded93ab5685e46f8e3a159"
|
||||
dependencies = [
|
||||
"hashbrown",
|
||||
"rustc-hash",
|
||||
"smallvec",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rustc-hash"
|
||||
version = "2.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "583034fd73374156e66797ed8e5b0d5690409c9226b22d87cb7f19821c05d152"
|
||||
|
||||
[[package]]
|
||||
name = "slice-group-by"
|
||||
version = "0.3.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "826167069c09b99d56f31e9ae5c99049e932a98c9dc2dac47645b08dbbf76ba7"
|
||||
|
||||
[[package]]
|
||||
name = "smallvec"
|
||||
version = "1.13.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "2.0.77"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9f35bcdf61fd8e7be6caf75f429fdca8beb3ed76584befb503b1569faee373ed"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "target-lexicon"
|
||||
version = "0.12.16"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.13"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
|
||||
|
||||
[[package]]
|
||||
name = "xtask"
|
||||
version = "0.1.0"
|
||||
|
||||
[[package]]
|
||||
name = "zerocopy"
|
||||
version = "0.7.35"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
|
||||
dependencies = [
|
||||
"zerocopy-derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zerocopy-derive"
|
||||
version = "0.7.35"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
|
@ -2,3 +2,8 @@
|
|||
name = "hbbytecode"
|
||||
version = "0.1.0"
|
||||
edition = "2018"
|
||||
|
||||
[features]
|
||||
default = ["disasm"]
|
||||
std = []
|
||||
disasm = ["std"]
|
||||
|
|
|
|||
|
|
@ -1,58 +1,208 @@
|
|||
#![feature(iter_next_chunk)]
|
||||
|
||||
use std::{collections::HashSet, fmt::Write};
|
||||
|
||||
fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||
println!("cargo:rerun-if-changed=build.rs");
|
||||
println!("cargo:rerun-if-changed=instructions.in");
|
||||
|
||||
let mut generated = String::new();
|
||||
gen_op_structs(&mut generated)?;
|
||||
std::fs::write("src/ops.rs", generated)?;
|
||||
|
||||
let mut generated = String::new();
|
||||
gen_op_codes(&mut generated)?;
|
||||
std::fs::write("src/opcode.rs", generated)?;
|
||||
gen_instrs(&mut generated)?;
|
||||
std::fs::write("src/instrs.rs", generated)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn gen_op_structs(generated: &mut String) -> std::fmt::Result {
|
||||
use std::fmt::Write;
|
||||
let mut seen = std::collections::HashSet::new();
|
||||
fn gen_instrs(generated: &mut String) -> Result<(), Box<dyn std::error::Error>> {
|
||||
writeln!(generated, "#![allow(dead_code)] #![allow(clippy::upper_case_acronyms)]")?;
|
||||
writeln!(generated, "use crate::*;")?;
|
||||
for [.., args, _] in instructions() {
|
||||
if !seen.insert(args) {
|
||||
continue;
|
||||
}
|
||||
|
||||
writeln!(generated, "#[derive(Clone, Copy, Debug)]")?;
|
||||
writeln!(generated, "#[repr(packed)]")?;
|
||||
write!(generated, "pub struct Ops{args}(")?;
|
||||
let mut first = true;
|
||||
for ch in args.chars().filter(|&ch| ch != 'N') {
|
||||
if !std::mem::take(&mut first) {
|
||||
write!(generated, ",")?;
|
||||
'_opcode_structs: {
|
||||
let mut seen = HashSet::new();
|
||||
for [.., args, _] in instructions() {
|
||||
if !seen.insert(args) {
|
||||
continue;
|
||||
}
|
||||
write!(generated, "pub Op{ch}")?;
|
||||
|
||||
writeln!(generated, "#[derive(Clone, Copy, Debug)]")?;
|
||||
writeln!(generated, "#[repr(packed)]")?;
|
||||
write!(generated, "pub struct Ops{args}(")?;
|
||||
let mut first = true;
|
||||
for ch in args.chars().filter(|&ch| ch != 'N') {
|
||||
if !std::mem::take(&mut first) {
|
||||
write!(generated, ",")?;
|
||||
}
|
||||
write!(generated, "pub Op{ch}")?;
|
||||
}
|
||||
writeln!(generated, ");")?;
|
||||
writeln!(generated, "unsafe impl BytecodeItem for Ops{args} {{}}")?;
|
||||
}
|
||||
writeln!(generated, ");")?;
|
||||
writeln!(generated, "unsafe impl BytecodeItem for Ops{args} {{}}")?;
|
||||
}
|
||||
|
||||
'_max_size: {
|
||||
let max = instructions()
|
||||
.map(
|
||||
|[_, _, ty, _]| {
|
||||
if ty == "N" {
|
||||
1
|
||||
} else {
|
||||
iter_args(ty).map(arg_to_width).sum::<usize>() + 1
|
||||
}
|
||||
},
|
||||
)
|
||||
.max()
|
||||
.unwrap();
|
||||
|
||||
writeln!(generated, "pub const MAX_SIZE: usize = {max};")?;
|
||||
}
|
||||
|
||||
'_encoders: {
|
||||
for [op, name, ty, doc] in instructions() {
|
||||
writeln!(generated, "/// {}", doc.trim_matches('"'))?;
|
||||
let name = name.to_lowercase();
|
||||
let args = comma_sep(
|
||||
iter_args(ty)
|
||||
.enumerate()
|
||||
.map(|(i, c)| format!("{}{i}: {}", arg_to_name(c), arg_to_type(c))),
|
||||
);
|
||||
writeln!(generated, "pub fn {name}({args}) -> (usize, [u8; MAX_SIZE]) {{")?;
|
||||
let arg_names =
|
||||
comma_sep(iter_args(ty).enumerate().map(|(i, c)| format!("{}{i}", arg_to_name(c))));
|
||||
writeln!(generated, " unsafe {{ crate::encode({ty}({op}, {arg_names})) }}")?;
|
||||
writeln!(generated, "}}")?;
|
||||
}
|
||||
}
|
||||
|
||||
'_structs: {
|
||||
let mut seen = std::collections::HashSet::new();
|
||||
for [_, _, ty, _] in instructions() {
|
||||
if !seen.insert(ty) {
|
||||
continue;
|
||||
}
|
||||
let types = comma_sep(iter_args(ty).map(arg_to_type).map(|s| s.to_string()));
|
||||
writeln!(generated, "#[repr(packed)] pub struct {ty}(u8, {types});")?;
|
||||
}
|
||||
}
|
||||
|
||||
'_name_list: {
|
||||
writeln!(generated, "pub const NAMES: [&str; {}] = [", instructions().count())?;
|
||||
for [_, name, _, _] in instructions() {
|
||||
writeln!(generated, " \"{}\",", name.to_lowercase())?;
|
||||
}
|
||||
writeln!(generated, "];")?;
|
||||
}
|
||||
|
||||
let instr = "Instr";
|
||||
let oper = "Oper";
|
||||
|
||||
'_instr_enum: {
|
||||
writeln!(generated, "#[derive(Debug, Clone, Copy, PartialEq, Eq)] #[repr(u8)]")?;
|
||||
writeln!(generated, "pub enum {instr} {{")?;
|
||||
for [id, name, ..] in instructions() {
|
||||
writeln!(generated, " {name} = {id},")?;
|
||||
}
|
||||
writeln!(generated, "}}")?;
|
||||
}
|
||||
|
||||
'_arg_kind: {
|
||||
writeln!(generated, "#[derive(Debug, Clone, Copy, PartialEq, Eq)]")?;
|
||||
writeln!(generated, "pub enum {oper} {{")?;
|
||||
let mut seen = HashSet::new();
|
||||
for ty in instructions().flat_map(|[.., ty, _]| iter_args(ty)) {
|
||||
if !seen.insert(ty) {
|
||||
continue;
|
||||
}
|
||||
writeln!(generated, " {ty}({}),", arg_to_type(ty))?;
|
||||
}
|
||||
writeln!(generated, "}}")?;
|
||||
}
|
||||
|
||||
'_parse_opers: {
|
||||
writeln!(
|
||||
generated,
|
||||
"/// This assumes the instruction byte is still at the beginning of the buffer"
|
||||
)?;
|
||||
writeln!(generated, "#[cfg(feature = \"disasm\")]")?;
|
||||
writeln!(generated, "pub fn parse_args(bytes: &mut &[u8], kind: {instr}, buf: &mut std::vec::Vec<{oper}>) -> Option<()> {{")?;
|
||||
writeln!(generated, " match kind {{")?;
|
||||
let mut instrs = instructions().collect::<Vec<_>>();
|
||||
instrs.sort_unstable_by_key(|&[.., ty, _]| ty);
|
||||
for group in instrs.chunk_by(|[.., a, _], [.., b, _]| a == b) {
|
||||
let ty = group[0][2];
|
||||
for &[_, name, ..] in group {
|
||||
writeln!(generated, " | {instr}::{name}")?;
|
||||
}
|
||||
generated.pop();
|
||||
writeln!(generated, " => {{")?;
|
||||
if iter_args(ty).count() != 0 {
|
||||
writeln!(generated, " let data = crate::decode::<{ty}>(bytes)?;")?;
|
||||
writeln!(
|
||||
generated,
|
||||
" buf.extend([{}]);",
|
||||
comma_sep(
|
||||
iter_args(ty).zip(1u32..).map(|(t, i)| format!("{oper}::{t}(data.{i})"))
|
||||
)
|
||||
)?;
|
||||
} else {
|
||||
writeln!(generated, " crate::decode::<{ty}>(bytes)?;")?;
|
||||
}
|
||||
|
||||
writeln!(generated, " }}")?;
|
||||
}
|
||||
writeln!(generated, " }}")?;
|
||||
writeln!(generated, " Some(())")?;
|
||||
writeln!(generated, "}}")?;
|
||||
}
|
||||
|
||||
std::fs::write("src/instrs.rs", generated)?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn gen_op_codes(generated: &mut String) -> std::fmt::Result {
|
||||
use std::fmt::Write;
|
||||
for [op, name, _, comment] in instructions() {
|
||||
writeln!(generated, "#[doc = {comment}]")?;
|
||||
writeln!(generated, "pub const {name}: u8 = {op};")?;
|
||||
}
|
||||
Ok(())
|
||||
fn comma_sep(items: impl Iterator<Item = String>) -> String {
|
||||
items.map(|item| item.to_string()).collect::<Vec<_>>().join(", ")
|
||||
}
|
||||
|
||||
fn instructions() -> impl Iterator<Item = [&'static str; 4]> {
|
||||
include_str!("../hbbytecode/instructions.in")
|
||||
.lines()
|
||||
.map(|line| line.strip_suffix(';').unwrap())
|
||||
.filter_map(|line| line.strip_suffix(';'))
|
||||
.map(|line| line.splitn(4, ',').map(str::trim).next_chunk().unwrap())
|
||||
}
|
||||
|
||||
fn arg_to_type(arg: char) -> &'static str {
|
||||
match arg {
|
||||
'R' | 'B' => "u8",
|
||||
'H' => "u16",
|
||||
'W' => "u32",
|
||||
'D' | 'A' => "u64",
|
||||
'P' => "i16",
|
||||
'O' => "i32",
|
||||
_ => panic!("unknown type: {}", arg),
|
||||
}
|
||||
}
|
||||
|
||||
fn arg_to_width(arg: char) -> usize {
|
||||
match arg {
|
||||
'R' | 'B' => 1,
|
||||
'H' => 2,
|
||||
'W' => 4,
|
||||
'D' | 'A' => 8,
|
||||
'P' => 2,
|
||||
'O' => 4,
|
||||
_ => panic!("unknown type: {}", arg),
|
||||
}
|
||||
}
|
||||
|
||||
fn arg_to_name(arg: char) -> &'static str {
|
||||
match arg {
|
||||
'R' => "reg",
|
||||
'B' | 'H' | 'W' | 'D' => "imm",
|
||||
'P' | 'O' => "offset",
|
||||
'A' => "addr",
|
||||
_ => panic!("unknown type: {}", arg),
|
||||
}
|
||||
}
|
||||
|
||||
fn iter_args(ty: &'static str) -> impl Iterator<Item = char> {
|
||||
ty.chars().filter(|c| *c != 'N')
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,10 +1,12 @@
|
|||
#![no_std]
|
||||
|
||||
pub use crate::ops::*;
|
||||
#[cfg(feature = "std")]
|
||||
extern crate std;
|
||||
|
||||
pub use crate::instrs::*;
|
||||
use core::convert::TryFrom;
|
||||
|
||||
pub mod opcode;
|
||||
mod ops;
|
||||
mod instrs;
|
||||
|
||||
type OpR = u8;
|
||||
|
||||
|
|
@ -22,6 +24,38 @@ type OpD = u64;
|
|||
pub unsafe trait BytecodeItem {}
|
||||
unsafe impl BytecodeItem for u8 {}
|
||||
|
||||
impl TryFrom<u8> for Instr {
|
||||
type Error = u8;
|
||||
|
||||
#[inline]
|
||||
fn try_from(value: u8) -> Result<Self, Self::Error> {
|
||||
#[cold]
|
||||
fn failed(value: u8) -> Result<Instr, u8> {
|
||||
Err(value)
|
||||
}
|
||||
|
||||
if value < NAMES.len() as u8 {
|
||||
unsafe { Ok(std::mem::transmute::<u8, Instr>(value)) }
|
||||
} else {
|
||||
failed(value)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[inline]
|
||||
unsafe fn encode<T>(instr: T) -> (usize, [u8; instrs::MAX_SIZE]) {
|
||||
let mut buf = [0; instrs::MAX_SIZE];
|
||||
core::ptr::write(buf.as_mut_ptr() as *mut T, instr);
|
||||
(core::mem::size_of::<T>(), buf)
|
||||
}
|
||||
|
||||
#[inline]
|
||||
fn decode<T>(binary: &mut &[u8]) -> Option<T> {
|
||||
let (front, rest) = std::mem::take(binary).split_at_checked(core::mem::size_of::<T>())?;
|
||||
*binary = rest;
|
||||
unsafe { Some(core::ptr::read(front.as_ptr() as *const T)) }
|
||||
}
|
||||
|
||||
/// Rounding mode
|
||||
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
|
||||
#[repr(u8)]
|
||||
|
|
@ -39,3 +73,181 @@ impl TryFrom<u8> for RoundingMode {
|
|||
(value <= 3).then(|| unsafe { core::mem::transmute(value) }).ok_or(())
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(feature = "disasm")]
|
||||
#[derive(Clone, Copy)]
|
||||
pub enum DisasmItem {
|
||||
Func,
|
||||
Global,
|
||||
}
|
||||
|
||||
#[cfg(feature = "disasm")]
|
||||
pub fn disasm(
|
||||
binary: &mut &[u8],
|
||||
functions: &std::collections::BTreeMap<u32, (&str, u32, DisasmItem)>,
|
||||
out: &mut impl std::io::Write,
|
||||
mut eca_handler: impl FnMut(&mut &[u8]),
|
||||
) -> std::io::Result<()> {
|
||||
use {
|
||||
self::instrs::Instr,
|
||||
std::{
|
||||
collections::{hash_map::Entry, HashMap},
|
||||
convert::TryInto,
|
||||
vec::Vec,
|
||||
},
|
||||
};
|
||||
|
||||
fn instr_from_byte(b: u8) -> std::io::Result<Instr> {
|
||||
if b as usize >= instrs::NAMES.len() {
|
||||
return Err(std::io::ErrorKind::InvalidData.into());
|
||||
}
|
||||
Ok(unsafe { std::mem::transmute::<u8, Instr>(b) })
|
||||
}
|
||||
|
||||
let mut labels = HashMap::<u32, u32>::default();
|
||||
let mut buf = Vec::<instrs::Oper>::new();
|
||||
let mut has_cycle = false;
|
||||
let mut has_oob = false;
|
||||
|
||||
'_offset_pass: for (&off, &(_name, len, kind)) in functions.iter() {
|
||||
if matches!(kind, DisasmItem::Global) {
|
||||
continue;
|
||||
}
|
||||
|
||||
let prev = *binary;
|
||||
|
||||
*binary = &binary[..off as usize];
|
||||
|
||||
let mut label_count = 0;
|
||||
while let Some(&byte) = binary.first() {
|
||||
let offset: i32 = (prev.len() - binary.len()).try_into().unwrap();
|
||||
if offset as u32 == off + len {
|
||||
break;
|
||||
}
|
||||
let Ok(inst) = instr_from_byte(byte) else { break };
|
||||
instrs::parse_args(binary, inst, &mut buf).ok_or(std::io::ErrorKind::OutOfMemory)?;
|
||||
|
||||
for op in buf.drain(..) {
|
||||
let rel = match op {
|
||||
instrs::Oper::O(rel) => rel,
|
||||
instrs::Oper::P(rel) => rel.into(),
|
||||
_ => continue,
|
||||
};
|
||||
|
||||
has_cycle |= rel == 0;
|
||||
|
||||
let global_offset: u32 = (offset + rel).try_into().unwrap();
|
||||
if functions.get(&global_offset).is_some() {
|
||||
continue;
|
||||
}
|
||||
label_count += match labels.entry(global_offset) {
|
||||
Entry::Occupied(_) => 0,
|
||||
Entry::Vacant(entry) => {
|
||||
entry.insert(label_count);
|
||||
1
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if matches!(inst, Instr::ECA) {
|
||||
eca_handler(binary);
|
||||
}
|
||||
}
|
||||
|
||||
*binary = prev;
|
||||
}
|
||||
|
||||
let mut ordered = functions.iter().collect::<Vec<_>>();
|
||||
ordered.sort_unstable_by_key(|(_, (name, _, _))| name);
|
||||
|
||||
'_dump: for (&off, &(name, len, kind)) in ordered {
|
||||
if matches!(kind, DisasmItem::Global) {
|
||||
continue;
|
||||
}
|
||||
let prev = *binary;
|
||||
|
||||
writeln!(out, "{name}:")?;
|
||||
|
||||
*binary = &binary[..off as usize];
|
||||
while let Some(&byte) = binary.first() {
|
||||
let offset: i32 = (prev.len() - binary.len()).try_into().unwrap();
|
||||
if offset as u32 == off + len {
|
||||
break;
|
||||
}
|
||||
let Ok(inst) = instr_from_byte(byte) else {
|
||||
writeln!(out, "invalid instr {byte}")?;
|
||||
break;
|
||||
};
|
||||
instrs::parse_args(binary, inst, &mut buf).unwrap();
|
||||
|
||||
if let Some(label) = labels.get(&offset.try_into().unwrap()) {
|
||||
write!(out, "{:>2}: ", label)?;
|
||||
} else {
|
||||
write!(out, " ")?;
|
||||
}
|
||||
|
||||
write!(out, "{inst:<8?} ")?;
|
||||
|
||||
'a: for (i, op) in buf.drain(..).enumerate() {
|
||||
if i != 0 {
|
||||
write!(out, ", ")?;
|
||||
}
|
||||
|
||||
let rel = 'b: {
|
||||
match op {
|
||||
instrs::Oper::O(rel) => break 'b rel,
|
||||
instrs::Oper::P(rel) => break 'b rel.into(),
|
||||
instrs::Oper::R(r) => write!(out, "r{r}")?,
|
||||
instrs::Oper::B(b) => write!(out, "{b}b")?,
|
||||
instrs::Oper::H(h) => write!(out, "{h}h")?,
|
||||
instrs::Oper::W(w) => write!(out, "{w}w")?,
|
||||
instrs::Oper::D(d) if (d as i64) < 0 => write!(out, "{}d", d as i64)?,
|
||||
instrs::Oper::D(d) => write!(out, "{d}d")?,
|
||||
instrs::Oper::A(a) => write!(out, "{a}a")?,
|
||||
}
|
||||
|
||||
continue 'a;
|
||||
};
|
||||
|
||||
let global_offset: u32 = (offset + rel).try_into().unwrap();
|
||||
if let Some(&(name, ..)) = functions.get(&global_offset) {
|
||||
if name.contains('\0') {
|
||||
write!(out, ":{name:?}")?;
|
||||
} else {
|
||||
write!(out, ":{name}")?;
|
||||
}
|
||||
} else {
|
||||
let local_has_oob = global_offset < off
|
||||
|| global_offset > off + len
|
||||
|| instr_from_byte(prev[global_offset as usize]).is_err()
|
||||
|| prev[global_offset as usize] == 0;
|
||||
has_oob |= local_has_oob;
|
||||
let label = labels.get(&global_offset).unwrap();
|
||||
if local_has_oob {
|
||||
write!(out, "!!!!!!!!!{rel}")?;
|
||||
} else {
|
||||
write!(out, ":{label}")?;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
writeln!(out)?;
|
||||
|
||||
if matches!(inst, Instr::ECA) {
|
||||
eca_handler(binary);
|
||||
}
|
||||
}
|
||||
|
||||
*binary = prev;
|
||||
}
|
||||
|
||||
if has_oob {
|
||||
return Err(std::io::ErrorKind::InvalidInput.into());
|
||||
}
|
||||
|
||||
if has_cycle {
|
||||
return Err(std::io::ErrorKind::TimedOut.into());
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
|
|
|||
|
|
@ -4,7 +4,7 @@ version = "0.1.0"
|
|||
edition = "2021"
|
||||
|
||||
[dependencies]
|
||||
cranelift-codegen = { git = "https://github.com/jakubDoka/wasmtime.git", default-features = false }
|
||||
cranelift-codegen = { git = "https://github.com/jakubDoka/wasmtime.git", default-features = false, features = ["std"] }
|
||||
cranelift-control = { git = "https://github.com/jakubDoka/wasmtime.git", default-features = false }
|
||||
log = "0.4.22"
|
||||
regalloc2 = "0.10.2"
|
||||
|
|
|
|||
|
|
@ -15,7 +15,6 @@
|
|||
// current directory is used to find the sources.
|
||||
|
||||
use {
|
||||
core::panic,
|
||||
cranelift_codegen_meta::{self as meta, isle::IsleCompilations},
|
||||
cranelift_isle::error::Errors,
|
||||
meta::isle::IsleCompilation,
|
||||
|
|
|
|||
|
|
@ -1,13 +1,15 @@
|
|||
//! Implementation of a standard Riscv64 ABI.
|
||||
|
||||
use {
|
||||
crate::inst::*,
|
||||
crate::{
|
||||
inst::*,
|
||||
settings::{self, Flags as RiscvFlags},
|
||||
},
|
||||
alloc::{boxed::Box, vec::Vec},
|
||||
cranelift_codegen::{
|
||||
ir::{self, types::*, LibCall, Signature},
|
||||
isa::{self, unwind::UnwindInst, CallConv},
|
||||
machinst::*,
|
||||
settings::{self, Flags as RiscvFlags},
|
||||
CodegenError, CodegenResult,
|
||||
},
|
||||
regalloc2::{MachineEnv, PReg, PRegSet},
|
||||
|
|
@ -21,11 +23,6 @@ pub(crate) type Riscv64Callee = Callee<Riscv64MachineDeps>;
|
|||
/// Support for the Riscv64 ABI from the caller side (at a callsite).
|
||||
pub(crate) type Riscv64ABICallSite = CallSite<Riscv64MachineDeps>;
|
||||
|
||||
/// This is the limit for the size of argument and return-value areas on the
|
||||
/// stack. We place a reasonable limit here to avoid integer overflow issues
|
||||
/// with 32-bit arithmetic: for now, 128 MB.
|
||||
static STACK_ARG_RET_SIZE_LIMIT: u32 = 128 * 1024 * 1024;
|
||||
|
||||
/// Riscv64-specific ABI behavior. This struct just serves as an implementation
|
||||
/// point for the trait; it is never actually instantiated.
|
||||
pub struct Riscv64MachineDeps;
|
||||
|
|
@ -70,6 +67,11 @@ impl ABIMachineSpec for Riscv64MachineDeps {
|
|||
type F = RiscvFlags;
|
||||
type I = Inst;
|
||||
|
||||
/// This is the limit for the size of argument and return-value areas on the
|
||||
/// stack. We place a reasonable limit here to avoid integer overflow issues
|
||||
/// with 32-bit arithmetic: for now, 128 MB.
|
||||
const STACK_ARG_RET_SIZE_LIMIT: u32 = 128 * 1024 * 1024;
|
||||
|
||||
fn word_bits() -> u32 {
|
||||
64
|
||||
}
|
||||
|
|
@ -651,8 +653,12 @@ impl ABIMachineSpec for Riscv64MachineDeps {
|
|||
}
|
||||
}
|
||||
|
||||
impl Riscv64ABICallSite {
|
||||
pub fn emit_return_call(mut self, ctx: &mut Lower<Inst>, args: isle::ValueSlice) {
|
||||
pub trait EmitReturnCall {
|
||||
fn emit_return_call(mut self, ctx: &mut Lower<Inst>, args: isle::ValueSlice);
|
||||
}
|
||||
|
||||
impl EmitReturnCall for Riscv64ABICallSite {
|
||||
fn emit_return_call(mut self, ctx: &mut Lower<Inst>, args: isle::ValueSlice) {
|
||||
let new_stack_arg_size =
|
||||
u32::try_from(self.sig(ctx.sigs()).sized_stack_arg_space()).unwrap();
|
||||
|
||||
|
|
|
|||
|
|
@ -6,12 +6,14 @@
|
|||
//! Some instructions especially in extensions have slight variations from
|
||||
//! the base RISC-V specification.
|
||||
|
||||
use super::*;
|
||||
use crate::lower::isle::generated_code::{
|
||||
COpcodeSpace, CaOp, CbOp, CiOp, CiwOp, ClOp, CrOp, CsOp, CssOp, CsznOp, FpuOPWidth,
|
||||
VecAluOpRImm5, VecAluOpRR, VecAluOpRRRImm5, VecAluOpRRRR, VecOpCategory, ZcbMemOp,
|
||||
use {
|
||||
super::*,
|
||||
crate::lower::isle::generated_code::{
|
||||
COpcodeSpace, CaOp, CbOp, CiOp, CiwOp, ClOp, CrOp, CsOp, CssOp, CsznOp, FpuOPWidth,
|
||||
VecAluOpRImm5, VecAluOpRR, VecAluOpRRRImm5, VecAluOpRRRR, VecOpCategory, ZcbMemOp,
|
||||
},
|
||||
cranelift_codegen::machinst::isle::WritableReg,
|
||||
};
|
||||
use crate::machinst::isle::WritableReg;
|
||||
|
||||
fn unsigned_field_width(value: u32, width: u8) -> u32 {
|
||||
debug_assert_eq!(value & (!0 << width), 0);
|
||||
|
|
@ -199,14 +201,7 @@ pub fn encode_valu_rr(op: VecAluOpRR, vd: WritableReg, vs: Reg, masking: VecOpMa
|
|||
(reg_to_gpr_num(vs), op.aux_encoding())
|
||||
};
|
||||
|
||||
encode_r_type_bits(
|
||||
op.opcode(),
|
||||
reg_to_gpr_num(vd.to_reg()),
|
||||
op.funct3(),
|
||||
vs1,
|
||||
vs2,
|
||||
funct7,
|
||||
)
|
||||
encode_r_type_bits(op.opcode(), reg_to_gpr_num(vd.to_reg()), op.funct3(), vs1, vs2, funct7)
|
||||
}
|
||||
|
||||
pub fn encode_valu_r_imm(
|
||||
|
|
@ -222,14 +217,7 @@ pub fn encode_valu_r_imm(
|
|||
let vs1 = imm.bits() as u32;
|
||||
let vs2 = op.aux_encoding();
|
||||
|
||||
encode_r_type_bits(
|
||||
op.opcode(),
|
||||
reg_to_gpr_num(vd.to_reg()),
|
||||
op.funct3(),
|
||||
vs1,
|
||||
vs2,
|
||||
funct7,
|
||||
)
|
||||
encode_r_type_bits(op.opcode(), reg_to_gpr_num(vd.to_reg()), op.funct3(), vs1, vs2, funct7)
|
||||
}
|
||||
|
||||
/// Encodes a Vector CFG Imm instruction.
|
||||
|
|
|
|||
|
|
@ -1,12 +1,11 @@
|
|||
//! Riscv64 ISA definitions: registers.
|
||||
//!
|
||||
|
||||
use crate::machinst::{Reg, Writable};
|
||||
|
||||
use alloc::vec;
|
||||
use alloc::vec::Vec;
|
||||
|
||||
use regalloc2::{PReg, RegClass, VReg};
|
||||
use {
|
||||
alloc::{vec, vec::Vec},
|
||||
cranelift_codegen::machinst::{Reg, Writable},
|
||||
regalloc2::{PReg, RegClass, VReg},
|
||||
};
|
||||
|
||||
// first argument of function call
|
||||
#[inline]
|
||||
|
|
|
|||
|
|
@ -1,19 +1,20 @@
|
|||
use crate::lower::isle::generated_code::VecAluOpRRRR;
|
||||
use crate::lower::isle::generated_code::{
|
||||
VecAMode, VecAluOpRImm5, VecAluOpRR, VecAluOpRRImm5, VecAluOpRRR, VecAluOpRRRImm5, VecAvl,
|
||||
VecElementWidth, VecLmul, VecMaskMode, VecOpCategory, VecOpMasking, VecTailMode,
|
||||
use {
|
||||
super::{Type, UImm5},
|
||||
crate::{
|
||||
lower::isle::generated_code::{
|
||||
VecAMode, VecAluOpRImm5, VecAluOpRR, VecAluOpRRImm5, VecAluOpRRR, VecAluOpRRRImm5,
|
||||
VecAluOpRRRR, VecAvl, VecElementWidth, VecLmul, VecMaskMode, VecOpCategory,
|
||||
VecOpMasking, VecTailMode,
|
||||
},
|
||||
Reg,
|
||||
},
|
||||
core::fmt,
|
||||
cranelift_codegen::machinst::{OperandVisitor, RegClass},
|
||||
};
|
||||
use crate::machinst::{OperandVisitor, RegClass};
|
||||
use crate::Reg;
|
||||
use core::fmt;
|
||||
|
||||
use super::{Type, UImm5};
|
||||
|
||||
impl VecAvl {
|
||||
pub fn _static(size: u32) -> Self {
|
||||
VecAvl::Static {
|
||||
size: UImm5::maybe_from_u8(size as u8).expect("Invalid size for AVL"),
|
||||
}
|
||||
VecAvl::Static { size: UImm5::maybe_from_u8(size as u8).expect("Invalid size for AVL") }
|
||||
}
|
||||
|
||||
pub fn is_static(&self) -> bool {
|
||||
|
|
@ -178,11 +179,7 @@ impl VType {
|
|||
|
||||
impl fmt::Display for VType {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
write!(
|
||||
f,
|
||||
"{}, {}, {}, {}",
|
||||
self.sew, self.lmul, self.tail_mode, self.mask_mode
|
||||
)
|
||||
write!(f, "{}, {}, {}, {}", self.sew, self.lmul, self.tail_mode, self.mask_mode)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -255,6 +252,7 @@ impl VecAluOpRRRR {
|
|||
// Vector Opcode
|
||||
0x57
|
||||
}
|
||||
|
||||
pub fn funct3(&self) -> u32 {
|
||||
self.category().encode()
|
||||
}
|
||||
|
|
@ -323,6 +321,7 @@ impl VecAluOpRRRImm5 {
|
|||
// Vector Opcode
|
||||
0x57
|
||||
}
|
||||
|
||||
pub fn funct3(&self) -> u32 {
|
||||
self.category().encode()
|
||||
}
|
||||
|
|
@ -369,9 +368,11 @@ impl VecAluOpRRR {
|
|||
// Vector Opcode
|
||||
0x57
|
||||
}
|
||||
|
||||
pub fn funct3(&self) -> u32 {
|
||||
self.category().encode()
|
||||
}
|
||||
|
||||
pub fn funct6(&self) -> u32 {
|
||||
// See: https://github.com/riscv/riscv-v-spec/blob/master/inst-table.adoc
|
||||
match self {
|
||||
|
|
@ -658,6 +659,7 @@ impl VecAluOpRRImm5 {
|
|||
// Vector Opcode
|
||||
0x57
|
||||
}
|
||||
|
||||
pub fn funct3(&self) -> u32 {
|
||||
self.category().encode()
|
||||
}
|
||||
|
|
@ -1016,6 +1018,7 @@ impl VecAluOpRImm5 {
|
|||
// Vector Opcode
|
||||
0x57
|
||||
}
|
||||
|
||||
pub fn funct3(&self) -> u32 {
|
||||
self.category().encode()
|
||||
}
|
||||
|
|
|
|||
|
|
@ -8,5 +8,6 @@ name = "hbc"
|
|||
path = "src/main.rs"
|
||||
|
||||
[dependencies]
|
||||
hbbytecode = { version = "0.1.0", path = "../hbbytecode" }
|
||||
hbvm = { path = "../hbvm", features = ["nightly"] }
|
||||
regalloc2 = { git = "https://github.com/jakubDoka/regalloc2" }
|
||||
|
|
|
|||
183
hblang/build.rs
183
hblang/build.rs
|
|
@ -1,183 +0,0 @@
|
|||
#![feature(iter_next_chunk)]
|
||||
use std::{collections::HashSet, fmt::Write};
|
||||
|
||||
fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||
println!("cargo:rerun-if-changed=build.rs");
|
||||
println!("cargo:rerun-if-changed=../hbbytecode/instructions.in");
|
||||
|
||||
gen_instrs()?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn gen_instrs() -> Result<(), Box<dyn std::error::Error>> {
|
||||
let mut generated = String::new();
|
||||
|
||||
writeln!(generated, "#![allow(dead_code)] #![allow(clippy::upper_case_acronyms)]")?;
|
||||
|
||||
'_max_size: {
|
||||
let max = instructions()
|
||||
.map(
|
||||
|[_, _, ty, _]| {
|
||||
if ty == "N" {
|
||||
1
|
||||
} else {
|
||||
iter_args(ty).map(arg_to_width).sum::<usize>() + 1
|
||||
}
|
||||
},
|
||||
)
|
||||
.max()
|
||||
.unwrap();
|
||||
|
||||
writeln!(generated, "pub const MAX_SIZE: usize = {max};")?;
|
||||
}
|
||||
|
||||
'_encoders: {
|
||||
for [op, name, ty, doc] in instructions() {
|
||||
writeln!(generated, "/// {}", doc.trim_matches('"'))?;
|
||||
let name = name.to_lowercase();
|
||||
let args = comma_sep(
|
||||
iter_args(ty)
|
||||
.enumerate()
|
||||
.map(|(i, c)| format!("{}{i}: {}", arg_to_name(c), arg_to_type(c))),
|
||||
);
|
||||
writeln!(generated, "pub fn {name}({args}) -> (usize, [u8; MAX_SIZE]) {{")?;
|
||||
let arg_names =
|
||||
comma_sep(iter_args(ty).enumerate().map(|(i, c)| format!("{}{i}", arg_to_name(c))));
|
||||
writeln!(generated, " unsafe {{ crate::encode({ty}({op}, {arg_names})) }}")?;
|
||||
writeln!(generated, "}}")?;
|
||||
}
|
||||
}
|
||||
|
||||
'_structs: {
|
||||
let mut seen = std::collections::HashSet::new();
|
||||
for [_, _, ty, _] in instructions() {
|
||||
if !seen.insert(ty) {
|
||||
continue;
|
||||
}
|
||||
let types = comma_sep(iter_args(ty).map(arg_to_type).map(|s| s.to_string()));
|
||||
writeln!(generated, "#[repr(packed)] pub struct {ty}(u8, {types});")?;
|
||||
}
|
||||
}
|
||||
|
||||
'_name_list: {
|
||||
writeln!(generated, "pub const NAMES: [&str; {}] = [", instructions().count())?;
|
||||
for [_, name, _, _] in instructions() {
|
||||
writeln!(generated, " \"{}\",", name.to_lowercase())?;
|
||||
}
|
||||
writeln!(generated, "];")?;
|
||||
}
|
||||
|
||||
let instr = "Instr";
|
||||
let oper = "Oper";
|
||||
|
||||
'_instr_enum: {
|
||||
writeln!(generated, "#[derive(Debug, Clone, Copy, PartialEq, Eq)] #[repr(u8)]")?;
|
||||
writeln!(generated, "pub enum {instr} {{")?;
|
||||
for [id, name, ..] in instructions() {
|
||||
writeln!(generated, " {name} = {id},")?;
|
||||
}
|
||||
writeln!(generated, "}}")?;
|
||||
}
|
||||
|
||||
'_arg_kind: {
|
||||
writeln!(generated, "#[derive(Debug, Clone, Copy, PartialEq, Eq)]")?;
|
||||
writeln!(generated, "pub enum {oper} {{")?;
|
||||
let mut seen = HashSet::new();
|
||||
for ty in instructions().flat_map(|[.., ty, _]| iter_args(ty)) {
|
||||
if !seen.insert(ty) {
|
||||
continue;
|
||||
}
|
||||
writeln!(generated, " {ty}({}),", arg_to_type(ty))?;
|
||||
}
|
||||
writeln!(generated, "}}")?;
|
||||
}
|
||||
|
||||
'_parse_opers: {
|
||||
writeln!(
|
||||
generated,
|
||||
"/// This assumes the instruction byte is still at the beginning of the buffer"
|
||||
)?;
|
||||
writeln!(generated, "pub fn parse_args(bytes: &mut &[u8], kind: {instr}, buf: &mut Vec<{oper}>) -> Option<()> {{")?;
|
||||
writeln!(generated, " match kind {{")?;
|
||||
let mut instrs = instructions().collect::<Vec<_>>();
|
||||
instrs.sort_unstable_by_key(|&[.., ty, _]| ty);
|
||||
for group in instrs.chunk_by(|[.., a, _], [.., b, _]| a == b) {
|
||||
let ty = group[0][2];
|
||||
for &[_, name, ..] in group {
|
||||
writeln!(generated, " | {instr}::{name}")?;
|
||||
}
|
||||
generated.pop();
|
||||
writeln!(generated, " => {{")?;
|
||||
if iter_args(ty).count() != 0 {
|
||||
writeln!(generated, " let data = crate::decode::<{ty}>(bytes)?;")?;
|
||||
writeln!(
|
||||
generated,
|
||||
" buf.extend([{}]);",
|
||||
comma_sep(
|
||||
iter_args(ty).zip(1u32..).map(|(t, i)| format!("{oper}::{t}(data.{i})"))
|
||||
)
|
||||
)?;
|
||||
} else {
|
||||
writeln!(generated, " crate::decode::<{ty}>(bytes)?;")?;
|
||||
}
|
||||
|
||||
writeln!(generated, " }}")?;
|
||||
}
|
||||
writeln!(generated, " }}")?;
|
||||
writeln!(generated, " Some(())")?;
|
||||
writeln!(generated, "}}")?;
|
||||
}
|
||||
|
||||
std::fs::write("src/instrs.rs", generated)?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn comma_sep(items: impl Iterator<Item = String>) -> String {
|
||||
items.map(|item| item.to_string()).collect::<Vec<_>>().join(", ")
|
||||
}
|
||||
|
||||
fn instructions() -> impl Iterator<Item = [&'static str; 4]> {
|
||||
include_str!("../hbbytecode/instructions.in")
|
||||
.lines()
|
||||
.filter_map(|line| line.strip_suffix(';'))
|
||||
.map(|line| line.splitn(4, ',').map(str::trim).next_chunk().unwrap())
|
||||
}
|
||||
|
||||
fn arg_to_type(arg: char) -> &'static str {
|
||||
match arg {
|
||||
'R' | 'B' => "u8",
|
||||
'H' => "u16",
|
||||
'W' => "u32",
|
||||
'D' | 'A' => "u64",
|
||||
'P' => "i16",
|
||||
'O' => "i32",
|
||||
_ => panic!("unknown type: {}", arg),
|
||||
}
|
||||
}
|
||||
|
||||
fn arg_to_width(arg: char) -> usize {
|
||||
match arg {
|
||||
'R' | 'B' => 1,
|
||||
'H' => 2,
|
||||
'W' => 4,
|
||||
'D' | 'A' => 8,
|
||||
'P' => 2,
|
||||
'O' => 4,
|
||||
_ => panic!("unknown type: {}", arg),
|
||||
}
|
||||
}
|
||||
|
||||
fn arg_to_name(arg: char) -> &'static str {
|
||||
match arg {
|
||||
'R' => "reg",
|
||||
'B' | 'H' | 'W' | 'D' => "imm",
|
||||
'P' | 'O' => "offset",
|
||||
'A' => "addr",
|
||||
_ => panic!("unknown type: {}", arg),
|
||||
}
|
||||
}
|
||||
|
||||
fn iter_args(ty: &'static str) -> impl Iterator<Item = char> {
|
||||
ty.chars().filter(|c| *c != 'N')
|
||||
}
|
||||
|
|
@ -27,6 +27,7 @@ use {
|
|||
son::reg,
|
||||
ty::ArrayLen,
|
||||
},
|
||||
hbbytecode as instrs,
|
||||
parser::Ast,
|
||||
std::{
|
||||
collections::{hash_map, BTreeMap, VecDeque},
|
||||
|
|
@ -52,7 +53,6 @@ pub mod codegen;
|
|||
pub mod parser;
|
||||
pub mod son;
|
||||
|
||||
mod instrs;
|
||||
mod lexer;
|
||||
|
||||
mod task {
|
||||
|
|
@ -715,7 +715,7 @@ impl Types {
|
|||
output: &mut impl std::io::Write,
|
||||
eca_handler: impl FnMut(&mut &[u8]),
|
||||
) -> std::io::Result<()> {
|
||||
use crate::DisasmItem;
|
||||
use instrs::DisasmItem;
|
||||
let functions = self
|
||||
.funcs
|
||||
.iter()
|
||||
|
|
@ -744,7 +744,7 @@ impl Types {
|
|||
(g.offset, (name, g.data.len() as Size, DisasmItem::Global))
|
||||
}))
|
||||
.collect::<BTreeMap<_, _>>();
|
||||
crate::disasm(&mut sluce, &functions, output, eca_handler)
|
||||
instrs::disasm(&mut sluce, &functions, output, eca_handler)
|
||||
}
|
||||
|
||||
fn parama(&self, ret: impl Into<ty::Id>) -> ParamAlloc {
|
||||
|
|
@ -857,181 +857,6 @@ impl Types {
|
|||
}
|
||||
}
|
||||
|
||||
#[inline]
|
||||
unsafe fn encode<T>(instr: T) -> (usize, [u8; instrs::MAX_SIZE]) {
|
||||
let mut buf = [0; instrs::MAX_SIZE];
|
||||
std::ptr::write(buf.as_mut_ptr() as *mut T, instr);
|
||||
(std::mem::size_of::<T>(), buf)
|
||||
}
|
||||
|
||||
#[inline]
|
||||
fn decode<T>(binary: &mut &[u8]) -> Option<T> {
|
||||
unsafe { Some(std::ptr::read(binary.take(..std::mem::size_of::<T>())?.as_ptr() as *const T)) }
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy)]
|
||||
enum DisasmItem {
|
||||
Func,
|
||||
Global,
|
||||
}
|
||||
|
||||
fn disasm(
|
||||
binary: &mut &[u8],
|
||||
functions: &BTreeMap<u32, (&str, u32, DisasmItem)>,
|
||||
out: &mut impl std::io::Write,
|
||||
mut eca_handler: impl FnMut(&mut &[u8]),
|
||||
) -> std::io::Result<()> {
|
||||
use self::instrs::Instr;
|
||||
|
||||
fn instr_from_byte(b: u8) -> std::io::Result<Instr> {
|
||||
if b as usize >= instrs::NAMES.len() {
|
||||
return Err(std::io::ErrorKind::InvalidData.into());
|
||||
}
|
||||
Ok(unsafe { std::mem::transmute::<u8, Instr>(b) })
|
||||
}
|
||||
|
||||
let mut labels = HashMap::<u32, u32>::default();
|
||||
let mut buf = Vec::<instrs::Oper>::new();
|
||||
let mut has_cycle = false;
|
||||
let mut has_oob = false;
|
||||
|
||||
'_offset_pass: for (&off, &(_name, len, kind)) in functions.iter() {
|
||||
if matches!(kind, DisasmItem::Global) {
|
||||
continue;
|
||||
}
|
||||
|
||||
let prev = *binary;
|
||||
|
||||
binary.take(..off as usize).unwrap();
|
||||
|
||||
let mut label_count = 0;
|
||||
while let Some(&byte) = binary.first() {
|
||||
let offset: i32 = (prev.len() - binary.len()).try_into().unwrap();
|
||||
if offset as u32 == off + len {
|
||||
break;
|
||||
}
|
||||
let Ok(inst) = instr_from_byte(byte) else { break };
|
||||
instrs::parse_args(binary, inst, &mut buf).ok_or(std::io::ErrorKind::OutOfMemory)?;
|
||||
|
||||
for op in buf.drain(..) {
|
||||
let rel = match op {
|
||||
instrs::Oper::O(rel) => rel,
|
||||
instrs::Oper::P(rel) => rel.into(),
|
||||
_ => continue,
|
||||
};
|
||||
|
||||
has_cycle |= rel == 0;
|
||||
|
||||
let global_offset: u32 = (offset + rel).try_into().unwrap();
|
||||
if functions.get(&global_offset).is_some() {
|
||||
continue;
|
||||
}
|
||||
label_count += labels.try_insert(global_offset, label_count).is_ok() as u32;
|
||||
}
|
||||
|
||||
if matches!(inst, Instr::ECA) {
|
||||
eca_handler(binary);
|
||||
}
|
||||
}
|
||||
|
||||
*binary = prev;
|
||||
}
|
||||
|
||||
let mut ordered = functions.iter().collect::<Vec<_>>();
|
||||
ordered.sort_unstable_by_key(|(_, (name, _, _))| name);
|
||||
|
||||
'_dump: for (&off, &(name, len, kind)) in ordered {
|
||||
if matches!(kind, DisasmItem::Global) {
|
||||
continue;
|
||||
}
|
||||
let prev = *binary;
|
||||
|
||||
writeln!(out, "{name}:")?;
|
||||
|
||||
binary.take(..off as usize).unwrap();
|
||||
while let Some(&byte) = binary.first() {
|
||||
let offset: i32 = (prev.len() - binary.len()).try_into().unwrap();
|
||||
if offset as u32 == off + len {
|
||||
break;
|
||||
}
|
||||
let Ok(inst) = instr_from_byte(byte) else {
|
||||
writeln!(out, "invalid instr {byte}")?;
|
||||
break;
|
||||
};
|
||||
instrs::parse_args(binary, inst, &mut buf).unwrap();
|
||||
|
||||
if let Some(label) = labels.get(&offset.try_into().unwrap()) {
|
||||
write!(out, "{:>2}: ", label)?;
|
||||
} else {
|
||||
write!(out, " ")?;
|
||||
}
|
||||
|
||||
write!(out, "{inst:<8?} ")?;
|
||||
|
||||
'a: for (i, op) in buf.drain(..).enumerate() {
|
||||
if i != 0 {
|
||||
write!(out, ", ")?;
|
||||
}
|
||||
|
||||
let rel = 'b: {
|
||||
match op {
|
||||
instrs::Oper::O(rel) => break 'b rel,
|
||||
instrs::Oper::P(rel) => break 'b rel.into(),
|
||||
instrs::Oper::R(r) => write!(out, "r{r}")?,
|
||||
instrs::Oper::B(b) => write!(out, "{b}b")?,
|
||||
instrs::Oper::H(h) => write!(out, "{h}h")?,
|
||||
instrs::Oper::W(w) => write!(out, "{w}w")?,
|
||||
instrs::Oper::D(d) if (d as i64) < 0 => write!(out, "{}d", d as i64)?,
|
||||
instrs::Oper::D(d) => write!(out, "{d}d")?,
|
||||
instrs::Oper::A(a) => write!(out, "{a}a")?,
|
||||
}
|
||||
|
||||
continue 'a;
|
||||
};
|
||||
|
||||
let global_offset: u32 = (offset + rel).try_into().unwrap();
|
||||
if let Some(&(name, ..)) = functions.get(&global_offset) {
|
||||
if name.contains('\0') {
|
||||
write!(out, ":{name:?}")?;
|
||||
} else {
|
||||
write!(out, ":{name}")?;
|
||||
}
|
||||
} else {
|
||||
let local_has_oob = global_offset < off
|
||||
|| global_offset > off + len
|
||||
|| instr_from_byte(prev[global_offset as usize]).is_err()
|
||||
|| prev[global_offset as usize] == 0;
|
||||
has_oob |= local_has_oob;
|
||||
let label = labels.get(&global_offset).unwrap();
|
||||
if local_has_oob {
|
||||
write!(out, "!!!!!!!!!{rel}")?;
|
||||
} else {
|
||||
write!(out, ":{label}")?;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
writeln!(out)?;
|
||||
|
||||
if matches!(inst, Instr::ECA) {
|
||||
eca_handler(binary);
|
||||
}
|
||||
}
|
||||
|
||||
*binary = prev;
|
||||
}
|
||||
|
||||
if has_oob {
|
||||
return Err(std::io::ErrorKind::InvalidInput.into());
|
||||
}
|
||||
|
||||
if has_cycle {
|
||||
return Err(std::io::ErrorKind::TimedOut.into());
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
struct TaskQueue<T> {
|
||||
inner: Mutex<TaskQueueInner<T>>,
|
||||
}
|
||||
|
|
|
|||
|
|
@ -9,4 +9,4 @@ alloc = []
|
|||
nightly = []
|
||||
|
||||
[dependencies]
|
||||
hbbytecode = { path = "../hbbytecode" }
|
||||
hbbytecode = { path = "../hbbytecode", default-features = false }
|
||||
|
|
|
|||
|
|
@ -34,7 +34,7 @@ where
|
|||
/// Program can return [`VmRunError`] if a trap handling failed
|
||||
#[cfg_attr(feature = "nightly", repr(align(4096)))]
|
||||
pub fn run(&mut self) -> Result<VmRunOk, VmRunError> {
|
||||
use hbbytecode::opcode::*;
|
||||
use hbbytecode::Instr as I;
|
||||
loop {
|
||||
// Big match
|
||||
//
|
||||
|
|
@ -56,105 +56,112 @@ where
|
|||
// - Yes, we assume you run 64 bit CPU. Else ?conradluget a better CPU
|
||||
// sorry 8 bit fans, HBVM won't run on your Speccy :(
|
||||
unsafe {
|
||||
match self.memory.prog_read::<u8>(self.pc as _) {
|
||||
UN => {
|
||||
match self
|
||||
.memory
|
||||
.prog_read::<u8>(self.pc as _)
|
||||
.try_into()
|
||||
.map_err(VmRunError::InvalidOpcode)?
|
||||
{
|
||||
I::UN => {
|
||||
self.bump_pc::<OpsN>();
|
||||
return Err(VmRunError::Unreachable);
|
||||
}
|
||||
TX => {
|
||||
I::TX => {
|
||||
self.bump_pc::<OpsN>();
|
||||
return Ok(VmRunOk::End);
|
||||
}
|
||||
NOP => handler!(self, |OpsN()| ()),
|
||||
ADD8 => self.binary_op(u8::wrapping_add),
|
||||
ADD16 => self.binary_op(u16::wrapping_add),
|
||||
ADD32 => self.binary_op(u32::wrapping_add),
|
||||
ADD64 => self.binary_op(u64::wrapping_add),
|
||||
SUB8 => self.binary_op(u8::wrapping_sub),
|
||||
SUB16 => self.binary_op(u16::wrapping_sub),
|
||||
SUB32 => self.binary_op(u32::wrapping_sub),
|
||||
SUB64 => self.binary_op(u64::wrapping_sub),
|
||||
MUL8 => self.binary_op(u8::wrapping_mul),
|
||||
MUL16 => self.binary_op(u16::wrapping_mul),
|
||||
MUL32 => self.binary_op(u32::wrapping_mul),
|
||||
MUL64 => self.binary_op(u64::wrapping_mul),
|
||||
AND => self.binary_op::<u64>(ops::BitAnd::bitand),
|
||||
OR => self.binary_op::<u64>(ops::BitOr::bitor),
|
||||
XOR => self.binary_op::<u64>(ops::BitXor::bitxor),
|
||||
SLU8 => self.binary_op_shift::<u8>(u8::wrapping_shl),
|
||||
SLU16 => self.binary_op_shift::<u16>(u16::wrapping_shl),
|
||||
SLU32 => self.binary_op_shift::<u32>(u32::wrapping_shl),
|
||||
SLU64 => self.binary_op_shift::<u64>(u64::wrapping_shl),
|
||||
SRU8 => self.binary_op_shift::<u8>(u8::wrapping_shr),
|
||||
SRU16 => self.binary_op_shift::<u16>(u16::wrapping_shr),
|
||||
SRU32 => self.binary_op_shift::<u32>(u32::wrapping_shr),
|
||||
SRU64 => self.binary_op_shift::<u64>(u64::wrapping_shr),
|
||||
SRS8 => self.binary_op_shift::<i8>(i8::wrapping_shr),
|
||||
SRS16 => self.binary_op_shift::<i16>(i16::wrapping_shr),
|
||||
SRS32 => self.binary_op_shift::<i32>(i32::wrapping_shr),
|
||||
SRS64 => self.binary_op_shift::<i64>(i64::wrapping_shr),
|
||||
CMPU => handler!(self, |OpsRRR(tg, a0, a1)| self.cmp(
|
||||
I::NOP => handler!(self, |OpsN()| ()),
|
||||
I::ADD8 => self.binary_op(u8::wrapping_add),
|
||||
I::ADD16 => self.binary_op(u16::wrapping_add),
|
||||
I::ADD32 => self.binary_op(u32::wrapping_add),
|
||||
I::ADD64 => self.binary_op(u64::wrapping_add),
|
||||
I::SUB8 => self.binary_op(u8::wrapping_sub),
|
||||
I::SUB16 => self.binary_op(u16::wrapping_sub),
|
||||
I::SUB32 => self.binary_op(u32::wrapping_sub),
|
||||
I::SUB64 => self.binary_op(u64::wrapping_sub),
|
||||
I::MUL8 => self.binary_op(u8::wrapping_mul),
|
||||
I::MUL16 => self.binary_op(u16::wrapping_mul),
|
||||
I::MUL32 => self.binary_op(u32::wrapping_mul),
|
||||
I::MUL64 => self.binary_op(u64::wrapping_mul),
|
||||
I::AND => self.binary_op::<u64>(ops::BitAnd::bitand),
|
||||
I::OR => self.binary_op::<u64>(ops::BitOr::bitor),
|
||||
I::XOR => self.binary_op::<u64>(ops::BitXor::bitxor),
|
||||
I::SLU8 => self.binary_op_shift::<u8>(u8::wrapping_shl),
|
||||
I::SLU16 => self.binary_op_shift::<u16>(u16::wrapping_shl),
|
||||
I::SLU32 => self.binary_op_shift::<u32>(u32::wrapping_shl),
|
||||
I::SLU64 => self.binary_op_shift::<u64>(u64::wrapping_shl),
|
||||
I::SRU8 => self.binary_op_shift::<u8>(u8::wrapping_shr),
|
||||
I::SRU16 => self.binary_op_shift::<u16>(u16::wrapping_shr),
|
||||
I::SRU32 => self.binary_op_shift::<u32>(u32::wrapping_shr),
|
||||
I::SRU64 => self.binary_op_shift::<u64>(u64::wrapping_shr),
|
||||
I::SRS8 => self.binary_op_shift::<i8>(i8::wrapping_shr),
|
||||
I::SRS16 => self.binary_op_shift::<i16>(i16::wrapping_shr),
|
||||
I::SRS32 => self.binary_op_shift::<i32>(i32::wrapping_shr),
|
||||
I::SRS64 => self.binary_op_shift::<i64>(i64::wrapping_shr),
|
||||
I::CMPU => handler!(self, |OpsRRR(tg, a0, a1)| self.cmp(
|
||||
tg,
|
||||
a0,
|
||||
self.read_reg(a1).cast::<u64>()
|
||||
)),
|
||||
CMPS => handler!(self, |OpsRRR(tg, a0, a1)| self.cmp(
|
||||
I::CMPS => handler!(self, |OpsRRR(tg, a0, a1)| self.cmp(
|
||||
tg,
|
||||
a0,
|
||||
self.read_reg(a1).cast::<i64>()
|
||||
)),
|
||||
DIRU8 => self.dir::<u8>(),
|
||||
DIRU16 => self.dir::<u16>(),
|
||||
DIRU32 => self.dir::<u32>(),
|
||||
DIRU64 => self.dir::<u64>(),
|
||||
DIRS8 => self.dir::<i8>(),
|
||||
DIRS16 => self.dir::<i16>(),
|
||||
DIRS32 => self.dir::<i32>(),
|
||||
DIRS64 => self.dir::<i64>(),
|
||||
NEG => handler!(self, |OpsRR(tg, a0)| {
|
||||
I::DIRU8 => self.dir::<u8>(),
|
||||
I::DIRU16 => self.dir::<u16>(),
|
||||
I::DIRU32 => self.dir::<u32>(),
|
||||
I::DIRU64 => self.dir::<u64>(),
|
||||
I::DIRS8 => self.dir::<i8>(),
|
||||
I::DIRS16 => self.dir::<i16>(),
|
||||
I::DIRS32 => self.dir::<i32>(),
|
||||
I::DIRS64 => self.dir::<i64>(),
|
||||
I::NEG => handler!(self, |OpsRR(tg, a0)| {
|
||||
// Bit negation
|
||||
self.write_reg(tg, self.read_reg(a0).cast::<u64>().wrapping_neg())
|
||||
}),
|
||||
NOT => handler!(self, |OpsRR(tg, a0)| {
|
||||
I::NOT => handler!(self, |OpsRR(tg, a0)| {
|
||||
// Logical negation
|
||||
self.write_reg(tg, u64::from(self.read_reg(a0).cast::<u64>() == 0));
|
||||
}),
|
||||
SXT8 => handler!(self, |OpsRR(tg, a0)| {
|
||||
I::SXT8 => handler!(self, |OpsRR(tg, a0)| {
|
||||
self.write_reg(tg, self.read_reg(a0).cast::<i8>() as i64)
|
||||
}),
|
||||
SXT16 => handler!(self, |OpsRR(tg, a0)| {
|
||||
I::SXT16 => handler!(self, |OpsRR(tg, a0)| {
|
||||
self.write_reg(tg, self.read_reg(a0).cast::<i16>() as i64)
|
||||
}),
|
||||
SXT32 => handler!(self, |OpsRR(tg, a0)| {
|
||||
I::SXT32 => handler!(self, |OpsRR(tg, a0)| {
|
||||
self.write_reg(tg, self.read_reg(a0).cast::<i32>() as i64)
|
||||
}),
|
||||
ADDI8 => self.binary_op_imm(u8::wrapping_add),
|
||||
ADDI16 => self.binary_op_imm(u16::wrapping_add),
|
||||
ADDI32 => self.binary_op_imm(u32::wrapping_add),
|
||||
ADDI64 => self.binary_op_imm(u64::wrapping_add),
|
||||
MULI8 => self.binary_op_imm(u8::wrapping_mul),
|
||||
MULI16 => self.binary_op_imm(u16::wrapping_mul),
|
||||
MULI32 => self.binary_op_imm(u32::wrapping_mul),
|
||||
MULI64 => self.binary_op_imm(u64::wrapping_mul),
|
||||
ANDI => self.binary_op_imm::<u64>(ops::BitAnd::bitand),
|
||||
ORI => self.binary_op_imm::<u64>(ops::BitOr::bitor),
|
||||
XORI => self.binary_op_imm::<u64>(ops::BitXor::bitxor),
|
||||
SLUI8 => self.binary_op_ims::<u8>(u8::wrapping_shl),
|
||||
SLUI16 => self.binary_op_ims::<u16>(u16::wrapping_shl),
|
||||
SLUI32 => self.binary_op_ims::<u32>(u32::wrapping_shl),
|
||||
SLUI64 => self.binary_op_ims::<u64>(u64::wrapping_shl),
|
||||
SRUI8 => self.binary_op_ims::<u8>(u8::wrapping_shr),
|
||||
SRUI16 => self.binary_op_ims::<u16>(u16::wrapping_shr),
|
||||
SRUI32 => self.binary_op_ims::<u32>(u32::wrapping_shr),
|
||||
SRUI64 => self.binary_op_ims::<u64>(u64::wrapping_shr),
|
||||
SRSI8 => self.binary_op_ims::<i8>(i8::wrapping_shr),
|
||||
SRSI16 => self.binary_op_ims::<i16>(i16::wrapping_shr),
|
||||
SRSI32 => self.binary_op_ims::<i32>(i32::wrapping_shr),
|
||||
SRSI64 => self.binary_op_ims::<i64>(i64::wrapping_shr),
|
||||
CMPUI => handler!(self, |OpsRRD(tg, a0, imm)| { self.cmp(tg, a0, imm) }),
|
||||
CMPSI => handler!(self, |OpsRRD(tg, a0, imm)| { self.cmp(tg, a0, imm as i64) }),
|
||||
CP => handler!(self, |OpsRR(tg, a0)| self.write_reg(tg, self.read_reg(a0))),
|
||||
SWA => handler!(self, |OpsRR(r0, r1)| {
|
||||
I::ADDI8 => self.binary_op_imm(u8::wrapping_add),
|
||||
I::ADDI16 => self.binary_op_imm(u16::wrapping_add),
|
||||
I::ADDI32 => self.binary_op_imm(u32::wrapping_add),
|
||||
I::ADDI64 => self.binary_op_imm(u64::wrapping_add),
|
||||
I::MULI8 => self.binary_op_imm(u8::wrapping_mul),
|
||||
I::MULI16 => self.binary_op_imm(u16::wrapping_mul),
|
||||
I::MULI32 => self.binary_op_imm(u32::wrapping_mul),
|
||||
I::MULI64 => self.binary_op_imm(u64::wrapping_mul),
|
||||
I::ANDI => self.binary_op_imm::<u64>(ops::BitAnd::bitand),
|
||||
I::ORI => self.binary_op_imm::<u64>(ops::BitOr::bitor),
|
||||
I::XORI => self.binary_op_imm::<u64>(ops::BitXor::bitxor),
|
||||
I::SLUI8 => self.binary_op_ims::<u8>(u8::wrapping_shl),
|
||||
I::SLUI16 => self.binary_op_ims::<u16>(u16::wrapping_shl),
|
||||
I::SLUI32 => self.binary_op_ims::<u32>(u32::wrapping_shl),
|
||||
I::SLUI64 => self.binary_op_ims::<u64>(u64::wrapping_shl),
|
||||
I::SRUI8 => self.binary_op_ims::<u8>(u8::wrapping_shr),
|
||||
I::SRUI16 => self.binary_op_ims::<u16>(u16::wrapping_shr),
|
||||
I::SRUI32 => self.binary_op_ims::<u32>(u32::wrapping_shr),
|
||||
I::SRUI64 => self.binary_op_ims::<u64>(u64::wrapping_shr),
|
||||
I::SRSI8 => self.binary_op_ims::<i8>(i8::wrapping_shr),
|
||||
I::SRSI16 => self.binary_op_ims::<i16>(i16::wrapping_shr),
|
||||
I::SRSI32 => self.binary_op_ims::<i32>(i32::wrapping_shr),
|
||||
I::SRSI64 => self.binary_op_ims::<i64>(i64::wrapping_shr),
|
||||
I::CMPUI => handler!(self, |OpsRRD(tg, a0, imm)| { self.cmp(tg, a0, imm) }),
|
||||
I::CMPSI => {
|
||||
handler!(self, |OpsRRD(tg, a0, imm)| { self.cmp(tg, a0, imm as i64) })
|
||||
}
|
||||
I::CP => handler!(self, |OpsRR(tg, a0)| self.write_reg(tg, self.read_reg(a0))),
|
||||
I::SWA => handler!(self, |OpsRR(r0, r1)| {
|
||||
// Swap registers
|
||||
match (r0, r1) {
|
||||
(0, 0) => (),
|
||||
|
|
@ -167,33 +174,33 @@ where
|
|||
}
|
||||
}
|
||||
}),
|
||||
LI8 => handler!(self, |OpsRB(tg, imm)| self.write_reg(tg, imm)),
|
||||
LI16 => handler!(self, |OpsRH(tg, imm)| self.write_reg(tg, imm)),
|
||||
LI32 => handler!(self, |OpsRW(tg, imm)| self.write_reg(tg, imm)),
|
||||
LI64 => handler!(self, |OpsRD(tg, imm)| self.write_reg(tg, imm)),
|
||||
LRA => handler!(self, |OpsRRO(tg, reg, off)| self.write_reg(
|
||||
I::LI8 => handler!(self, |OpsRB(tg, imm)| self.write_reg(tg, imm)),
|
||||
I::LI16 => handler!(self, |OpsRH(tg, imm)| self.write_reg(tg, imm)),
|
||||
I::LI32 => handler!(self, |OpsRW(tg, imm)| self.write_reg(tg, imm)),
|
||||
I::LI64 => handler!(self, |OpsRD(tg, imm)| self.write_reg(tg, imm)),
|
||||
I::LRA => handler!(self, |OpsRRO(tg, reg, off)| self.write_reg(
|
||||
tg,
|
||||
self.pcrel(off).wrapping_add(self.read_reg(reg).cast::<i64>()).get(),
|
||||
)),
|
||||
// Load. If loading more than register size, continue on adjecent registers
|
||||
LD => handler!(self, |OpsRRAH(dst, base, off, count)| self
|
||||
I::LD => handler!(self, |OpsRRAH(dst, base, off, count)| self
|
||||
.load(dst, base, off, count)?),
|
||||
// Store. Same rules apply as to LD
|
||||
ST => handler!(self, |OpsRRAH(dst, base, off, count)| self
|
||||
I::ST => handler!(self, |OpsRRAH(dst, base, off, count)| self
|
||||
.store(dst, base, off, count)?),
|
||||
LDR => handler!(self, |OpsRROH(dst, base, off, count)| self.load(
|
||||
I::LDR => handler!(self, |OpsRROH(dst, base, off, count)| self.load(
|
||||
dst,
|
||||
base,
|
||||
self.pcrel(off).get(),
|
||||
count
|
||||
)?),
|
||||
STR => handler!(self, |OpsRROH(dst, base, off, count)| self.store(
|
||||
I::STR => handler!(self, |OpsRROH(dst, base, off, count)| self.store(
|
||||
dst,
|
||||
base,
|
||||
self.pcrel(off).get(),
|
||||
count
|
||||
)?),
|
||||
BMC => {
|
||||
I::BMC => {
|
||||
// Block memory copy
|
||||
match if let Some(copier) = &mut self.copier {
|
||||
// There is some copier, poll.
|
||||
|
|
@ -227,7 +234,7 @@ where
|
|||
core::task::Poll::Pending => (),
|
||||
}
|
||||
}
|
||||
BRC => handler!(self, |OpsRRB(src, dst, count)| {
|
||||
I::BRC => handler!(self, |OpsRRB(src, dst, count)| {
|
||||
// Block register copy
|
||||
if src.checked_add(count).is_none() || dst.checked_add(count).is_none() {
|
||||
return Err(VmRunError::RegOutOfBounds);
|
||||
|
|
@ -239,11 +246,11 @@ where
|
|||
usize::from(count),
|
||||
);
|
||||
}),
|
||||
JMP => {
|
||||
I::JMP => {
|
||||
let OpsO(off) = self.decode();
|
||||
self.pc = self.pc.wrapping_add(off);
|
||||
}
|
||||
JAL => {
|
||||
I::JAL => {
|
||||
// Jump and link. Save PC after this instruction to
|
||||
// specified register and jump to reg + relative offset.
|
||||
let OpsRRO(save, reg, offset) = self.decode();
|
||||
|
|
@ -251,7 +258,7 @@ where
|
|||
self.write_reg(save, self.pc.next::<OpsRRO>());
|
||||
self.pc = self.pcrel(offset).wrapping_add(self.read_reg(reg).cast::<i64>());
|
||||
}
|
||||
JALA => {
|
||||
I::JALA => {
|
||||
// Jump and link. Save PC after this instruction to
|
||||
// specified register and jump to reg
|
||||
let OpsRRA(save, reg, offset) = self.decode();
|
||||
|
|
@ -261,8 +268,8 @@ where
|
|||
Address::new(self.read_reg(reg).cast::<u64>().wrapping_add(offset));
|
||||
}
|
||||
// Conditional jumps, jump only to immediates
|
||||
JEQ => self.cond_jmp::<u64>(Ordering::Equal),
|
||||
JNE => {
|
||||
I::JEQ => self.cond_jmp::<u64>(Ordering::Equal),
|
||||
I::JNE => {
|
||||
let OpsRRP(a0, a1, ja) = self.decode();
|
||||
if self.read_reg(a0).cast::<u64>() != self.read_reg(a1).cast::<u64>() {
|
||||
self.pc = self.pcrel(ja);
|
||||
|
|
@ -270,11 +277,11 @@ where
|
|||
self.bump_pc::<OpsRRP>();
|
||||
}
|
||||
}
|
||||
JLTS => self.cond_jmp::<i64>(Ordering::Less),
|
||||
JGTS => self.cond_jmp::<i64>(Ordering::Greater),
|
||||
JLTU => self.cond_jmp::<u64>(Ordering::Less),
|
||||
JGTU => self.cond_jmp::<u64>(Ordering::Greater),
|
||||
ECA => {
|
||||
I::JLTS => self.cond_jmp::<i64>(Ordering::Less),
|
||||
I::JGTS => self.cond_jmp::<i64>(Ordering::Greater),
|
||||
I::JLTU => self.cond_jmp::<u64>(Ordering::Less),
|
||||
I::JGTU => self.cond_jmp::<u64>(Ordering::Greater),
|
||||
I::ECA => {
|
||||
// So we don't get timer interrupt after ECALL
|
||||
if TIMER_QUOTIENT != 0 {
|
||||
self.timer = self.timer.wrapping_add(1);
|
||||
|
|
@ -283,33 +290,33 @@ where
|
|||
self.bump_pc::<OpsN>();
|
||||
return Ok(VmRunOk::Ecall);
|
||||
}
|
||||
EBP => {
|
||||
I::EBP => {
|
||||
self.bump_pc::<OpsN>();
|
||||
return Ok(VmRunOk::Breakpoint);
|
||||
}
|
||||
FADD32 => self.binary_op::<f32>(ops::Add::add),
|
||||
FADD64 => self.binary_op::<f64>(ops::Add::add),
|
||||
FSUB32 => self.binary_op::<f32>(ops::Sub::sub),
|
||||
FSUB64 => self.binary_op::<f64>(ops::Sub::sub),
|
||||
FMUL32 => self.binary_op::<f32>(ops::Mul::mul),
|
||||
FMUL64 => self.binary_op::<f64>(ops::Mul::mul),
|
||||
FDIV32 => self.binary_op::<f32>(ops::Div::div),
|
||||
FDIV64 => self.binary_op::<f64>(ops::Div::div),
|
||||
FMA32 => self.fma::<f32>(),
|
||||
FMA64 => self.fma::<f64>(),
|
||||
FINV32 => handler!(self, |OpsRR(tg, reg)| self
|
||||
I::FADD32 => self.binary_op::<f32>(ops::Add::add),
|
||||
I::FADD64 => self.binary_op::<f64>(ops::Add::add),
|
||||
I::FSUB32 => self.binary_op::<f32>(ops::Sub::sub),
|
||||
I::FSUB64 => self.binary_op::<f64>(ops::Sub::sub),
|
||||
I::FMUL32 => self.binary_op::<f32>(ops::Mul::mul),
|
||||
I::FMUL64 => self.binary_op::<f64>(ops::Mul::mul),
|
||||
I::FDIV32 => self.binary_op::<f32>(ops::Div::div),
|
||||
I::FDIV64 => self.binary_op::<f64>(ops::Div::div),
|
||||
I::FMA32 => self.fma::<f32>(),
|
||||
I::FMA64 => self.fma::<f64>(),
|
||||
I::FINV32 => handler!(self, |OpsRR(tg, reg)| self
|
||||
.write_reg(tg, 1. / self.read_reg(reg).cast::<f32>())),
|
||||
FINV64 => handler!(self, |OpsRR(tg, reg)| self
|
||||
I::FINV64 => handler!(self, |OpsRR(tg, reg)| self
|
||||
.write_reg(tg, 1. / self.read_reg(reg).cast::<f64>())),
|
||||
FCMPLT32 => self.fcmp::<f32>(Ordering::Less),
|
||||
FCMPLT64 => self.fcmp::<f64>(Ordering::Less),
|
||||
FCMPGT32 => self.fcmp::<f32>(Ordering::Greater),
|
||||
FCMPGT64 => self.fcmp::<f64>(Ordering::Greater),
|
||||
ITF32 => handler!(self, |OpsRR(tg, reg)| self
|
||||
I::FCMPLT32 => self.fcmp::<f32>(Ordering::Less),
|
||||
I::FCMPLT64 => self.fcmp::<f64>(Ordering::Less),
|
||||
I::FCMPGT32 => self.fcmp::<f32>(Ordering::Greater),
|
||||
I::FCMPGT64 => self.fcmp::<f64>(Ordering::Greater),
|
||||
I::ITF32 => handler!(self, |OpsRR(tg, reg)| self
|
||||
.write_reg(tg, self.read_reg(reg).cast::<i64>() as f32)),
|
||||
ITF64 => handler!(self, |OpsRR(tg, reg)| self
|
||||
I::ITF64 => handler!(self, |OpsRR(tg, reg)| self
|
||||
.write_reg(tg, self.read_reg(reg).cast::<i64>() as f64)),
|
||||
FTI32 => handler!(self, |OpsRRB(tg, reg, mode)| self.write_reg(
|
||||
I::FTI32 => handler!(self, |OpsRRB(tg, reg, mode)| self.write_reg(
|
||||
tg,
|
||||
crate::float::f32toint(
|
||||
self.read_reg(reg).cast::<f32>(),
|
||||
|
|
@ -317,7 +324,7 @@ where
|
|||
.map_err(|()| VmRunError::InvalidOperand)?,
|
||||
),
|
||||
)),
|
||||
FTI64 => handler!(self, |OpsRRB(tg, reg, mode)| self.write_reg(
|
||||
I::FTI64 => handler!(self, |OpsRRB(tg, reg, mode)| self.write_reg(
|
||||
tg,
|
||||
crate::float::f64toint(
|
||||
self.read_reg(reg).cast::<f64>(),
|
||||
|
|
@ -325,9 +332,9 @@ where
|
|||
.map_err(|()| VmRunError::InvalidOperand)?,
|
||||
),
|
||||
)),
|
||||
FC32T64 => handler!(self, |OpsRR(tg, reg)| self
|
||||
I::FC32T64 => handler!(self, |OpsRR(tg, reg)| self
|
||||
.write_reg(tg, self.read_reg(reg).cast::<f32>() as f64)),
|
||||
FC64T32 => handler!(self, |OpsRRB(tg, reg, mode)| self.write_reg(
|
||||
I::FC64T32 => handler!(self, |OpsRRB(tg, reg, mode)| self.write_reg(
|
||||
tg,
|
||||
crate::float::conv64to32(
|
||||
self.read_reg(reg).cast(),
|
||||
|
|
@ -335,27 +342,26 @@ where
|
|||
.map_err(|()| VmRunError::InvalidOperand)?,
|
||||
),
|
||||
)),
|
||||
LRA16 => handler!(self, |OpsRRP(tg, reg, imm)| self.write_reg(
|
||||
I::LRA16 => handler!(self, |OpsRRP(tg, reg, imm)| self.write_reg(
|
||||
tg,
|
||||
(self.pc + self.read_reg(reg).cast::<u64>() + imm + 3_u16).get(),
|
||||
)),
|
||||
LDR16 => handler!(self, |OpsRRPH(dst, base, off, count)| self.load(
|
||||
I::LDR16 => handler!(self, |OpsRRPH(dst, base, off, count)| self.load(
|
||||
dst,
|
||||
base,
|
||||
self.pcrel(off).get(),
|
||||
count
|
||||
)?),
|
||||
STR16 => handler!(self, |OpsRRPH(dst, base, off, count)| self.store(
|
||||
I::STR16 => handler!(self, |OpsRRPH(dst, base, off, count)| self.store(
|
||||
dst,
|
||||
base,
|
||||
self.pcrel(off).get(),
|
||||
count
|
||||
)?),
|
||||
JMP16 => {
|
||||
I::JMP16 => {
|
||||
let OpsP(off) = self.decode();
|
||||
self.pc = self.pcrel(off);
|
||||
}
|
||||
op => return Err(VmRunError::InvalidOpcode(op)),
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue