1#![warn(missing_docs)]
2
3pub mod instructions;
4pub mod program;
5
6use crate::{instructions::SassInstruction, program::SassProgram};
7use gaia_types::Result;
8
9pub struct SassWriter {}
11
12impl SassWriter {
13 pub fn new() -> Self {
14 Self {}
15 }
16
17 pub fn write(&self, program: &SassProgram) -> Result<Vec<u8>> {
18 let mut code = String::new();
19 for kernel in &program.kernels {
20 code.push_str(&format!(".section .text.{}\n.global {}\n{}:\n", kernel.name, kernel.name, kernel.name));
21 for inst in &kernel.instructions {
22 code.push_str(" ");
23 code.push_str(&self.format_instruction(inst));
24 code.push('\n');
25 }
26 }
27
28 let mut binary = Vec::from("\x7fELF".as_bytes());
30 binary.extend_from_slice(code.as_bytes());
31 Ok(binary)
32 }
33
34 fn format_instruction(&self, inst: &SassInstruction) -> String {
35 match inst {
36 SassInstruction::FAdd { dst, src0, src1 } => format!("FADD {}, {}, {}", dst, src0, src1),
37 SassInstruction::FMul { dst, src0, src1 } => format!("FMUL {}, {}, {}", dst, src0, src1),
38 SassInstruction::Imma { dst, src0, src1, src2 } => {
39 format!("IMMA.16.16.16.F32 {}, {}, {}, {}", dst, src0, src1, src2)
40 }
41 SassInstruction::Ldg { dst, addr } => format!("LDG.E {}, [{}]", dst, addr),
42 SassInstruction::Stg { addr, src } => format!("STG.E [{}], {}", addr, src),
43 SassInstruction::Exit => "EXIT".to_string(),
44 SassInstruction::Nop => "NOP".to_string(),
45 }
46 }
47}