mirror of
https://github.com/panpaul/tiny_os
synced 2024-09-20 09:45:19 +08:00
Paul Pan
1d026d8053
1. initial riscv32 support 2. fix bug in table.rs: cur level order is reversed 3. introduce global kernel_{phys, virt}_to_{virt, phys} for address translating 4. remove unused riscv/mm 5. initial early_memory management through RamBlock 6. initial kernel space mapping support
31 lines
762 B
Rust
31 lines
762 B
Rust
fn main() {
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println!("cargo:rerun-if-changed=build.rs");
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struct TargetConfig {
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target: &'static str,
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lds: &'static str,
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}
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const TARGET_LDS: &[TargetConfig] = &[
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TargetConfig {
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target: "riscv64",
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lds: "src/arch/riscv/linker.ld",
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},
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TargetConfig {
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target: "riscv32",
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lds: "src/arch/riscv/linker32.ld",
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},
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];
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let target = std::env::var("TARGET").unwrap();
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for cfg in TARGET_LDS {
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if target.starts_with(cfg.target) {
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println!("cargo:rerun-if-changed={}", cfg.lds);
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println!("cargo:rustc-link-arg=-T{}", cfg.lds);
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return;
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}
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}
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panic!("Unsupported target: {}", target);
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}
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