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started to implement sc_sem_create and auxiliar function

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Rémi Rativel 2023-04-05 15:47:46 +02:00
parent 41611b54e8
commit 77086155b5
1 changed files with 18 additions and 1 deletions
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19
src/kernel/exception.rs
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@ -105,7 +105,13 @@ fn syscall(machine: &mut Machine, system: &mut System) -> Result<MachineOk, Mach
SC_PERROR => todo!(),
SC_P => todo!(),
SC_V => todo!(),
SC_SEM_CREATE => todo!(),
SC_SEM_CREATE => {
let addr_name = machine.read_int_register(10);
let initial_count = machine.read_int_register((11));
let size = get_length_param(addr_name as usize, machine);
Ok(MachineOk::Ok)
},
SC_SEM_DESTROY => todo!(),
SC_LOCK_CREATE => todo!(),
SC_LOCK_DESTROY => todo!(),
@ -129,6 +135,17 @@ fn syscall(machine: &mut Machine, system: &mut System) -> Result<MachineOk, Mach
}
}
fn get_length_param(addr: usize, machine: & Machine) -> usize{
let mut i = 0;
let mut c = 1;
while c!= 0 {
c = machine.read_memory(1, addr + i);
i+=1;
}
i + 1
}
#[cfg(test)]
mod test {
use crate::kernel::exception::{SC_SHUTDOWN, SC_WRITE};