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WIP: User scheme

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This commit is contained in:
Jeremy Soller 2016-09-19 21:24:54 -06:00
parent abdbadfea3
commit c512d04378
5 changed files with 143 additions and 208 deletions
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6
kernel/syscall/mod.rs
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@ -26,7 +26,7 @@ pub extern fn syscall(a: usize, b: usize, c: usize, d: usize, e: usize, f: usize
#[inline(always)]
fn inner(a: usize, b: usize, c: usize, d: usize, e: usize, _f: usize, stack: usize) -> Result<usize> {
match Call::from(a) {
Ok(call) => match call {
Some(call) => match call {
Call::Exit => exit(b),
Call::Read => read(b, validate_slice_mut(c as *mut u8, d)?),
Call::Write => write(b, validate_slice(c as *const u8, d)?),
@ -44,9 +44,9 @@ pub extern fn syscall(a: usize, b: usize, c: usize, d: usize, e: usize, f: usize
Call::SchedYield => sched_yield(),
Call::GetCwd => getcwd(validate_slice_mut(b as *mut u8, c)?)
},
Err(err) => {
None => {
println!("Unknown syscall {}", a);
Err(err)
Err(Error::NoCall)
}
}
}