forked from rcore-os/zCore
36 lines
1.3 KiB
Rust
36 lines
1.3 KiB
Rust
use std::io::Write;
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fn main() {
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let syscall_in = match std::env::var("CARGO_CFG_TARGET_ARCH") {
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Ok(s) if s == "riscv64" => "src/riscv64_syscall.h.in",
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_ => "src/syscall.h.in",
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};
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println!("cargo:rerun-if-changed={}", syscall_in);
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let mut fout = std::fs::File::create(std::env::var("OUT_DIR").unwrap() + "/consts.rs").unwrap();
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writeln!(fout, "// Generated by build.rs. DO NOT EDIT.").unwrap();
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writeln!(fout, "use numeric_enum_macro::numeric_enum;\n").unwrap();
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writeln!(fout, "numeric_enum! {{").unwrap();
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writeln!(fout, "#[repr(u32)]").unwrap();
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writeln!(fout, "#[derive(Debug, Eq, PartialEq)]").unwrap();
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writeln!(fout, "#[allow(non_camel_case_types)]").unwrap();
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writeln!(fout, "pub enum SyscallType {{").unwrap();
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let data = std::fs::read_to_string(syscall_in).unwrap();
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for line in data.lines() {
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if !line.starts_with("#define") {
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continue;
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}
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let mut iter = line.split_whitespace();
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let _ = iter.next().unwrap();
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let name = iter.next().unwrap();
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let id = iter.next().unwrap();
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let name = &name[5..].to_uppercase();
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writeln!(fout, " {} = {},", name, id).unwrap();
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}
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writeln!(fout, "}}").unwrap();
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writeln!(fout, "}}").unwrap();
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}
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