Red Bear OS
bd595851e2
251 files: init, acpid, ipcd, netcfg, ihdgd, virtio-gpud, scheme-utils, inputd, block driver, ptyd, ramfs, randd, initfs bootstrap, path deps, version +rb0.3.1, author attribution
66 lines
1.4 KiB
Rust
66 lines
1.4 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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// AArch64 debug output is not implemented; silently drop the byte.
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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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// RISC-V QEMU exit is not enabled for this build; the QEMU exit address
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// is board-specific and not currently wired.
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panic!("redoxerd: QEMU exit is not supported on riscv64")
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}
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pub fn write_debug(_b: u8) -> syscall::Result<()> {
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// RISC-V debug output is not implemented; silently drop the byte.
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Ok(())
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}
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}
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