Red Bear OS
70 lines
1.3 KiB
Rust
70 lines
1.3 KiB
Rust
pub fn exit_success() {
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imp::exit(true);
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}
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pub fn exit_failure() {
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imp::exit(false);
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}
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pub fn debug_char(b: u8) {
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let _ = imp::write_debug(b);
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}
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#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
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mod imp {
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use syscall::Io;
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use syscall::Pio;
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pub fn exit(success: bool) {
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if success {
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Pio::<u16>::new(0x604).write(0x2000);
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Pio::<u8>::new(0x501).write(51 / 2);
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} else {
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Pio::<u8>::new(0x501).write(53 / 2);
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}
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}
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pub fn write_debug(b: u8) -> syscall::Result<()> {
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Pio::<u8>::new(0xe9).write(b);
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Ok(())
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}
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}
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#[cfg(target_arch = "aarch64")]
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mod imp {
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use qemu_exit::QEMUExit;
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pub fn exit(success: bool) {
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let q = qemu_exit::AArch64::new();
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if success {
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q.exit(51)
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} else {
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q.exit(53)
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}
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}
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pub fn write_debug(b: u8) -> syscall::Result<()> {
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// TODO
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Ok(())
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}
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}
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#[cfg(target_arch = "riscv64")]
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mod imp {
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pub fn exit(success: bool) {
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todo!()
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// let q = qemu_exit::RISCV64::new(addr);
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// if success {
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// q.exit(51)
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// } else {
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// q.exit(53)
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// }
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}
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pub fn write_debug(b: u8) -> syscall::Result<()> {
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// TODO
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Ok(())
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}
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}
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