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lab-04: mmap, munmap

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Tateisi 2025-08-03 13:48:14 +08:00
parent eaacb4fa25
commit cc1a9a4751
14 changed files with 311 additions and 2 deletions
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4
os/src/syscall/mod.rs
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@ -15,6 +15,8 @@ const SYSCALL_EXIT: usize = 93;
const SYSCALL_YIELD: usize = 124;
const SYSCALL_GET_TIME: usize = 169;
const SYSCALL_SBRK: usize = 214;
const SYSCALL_MMAP: usize = 222;
const SYSCALL_MUNMAP: usize = 215;
mod fs;
mod process;
@ -30,6 +32,8 @@ pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize {
SYSCALL_YIELD => sys_yield(),
SYSCALL_GET_TIME => sys_get_time(),
SYSCALL_SBRK => sys_sbrk(args[0] as i32),
SYSCALL_MMAP => sys_mmap(args[0], args[1], args[2]),
SYSCALL_MUNMAP => sys_munmap(args[0], args[1]),
_ => panic!("Unsupported syscall_id: {}", syscall_id),
}
}