31 lines
1,007 B
Rust
31 lines
1,007 B
Rust
const SYSCALL_READ: usize = 63;
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const SYSCALL_WRITE: usize = 64;
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const SYSCALL_EXIT: usize = 93;
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const SYSCALL_YIELD: usize = 124;
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const SYSCALL_GET_TIME: usize = 169;
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const SYSCALL_GETPID: usize = 172;
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const SYSCALL_FORK: usize = 220;
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const SYSCALL_EXEC: usize = 221;
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const SYSCALL_WAITPID: usize = 260;
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mod fs;
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mod process;
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use fs::*;
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use process::*;
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pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize {
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match syscall_id {
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SYSCALL_READ => sys_read(args[0], args[1] as *const u8, args[2]),
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SYSCALL_WRITE => sys_write(args[0], args[1] as *const u8, args[2]),
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SYSCALL_EXIT => sys_exit(args[0] as i32),
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SYSCALL_YIELD => sys_yield(),
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SYSCALL_GET_TIME => sys_get_time(),
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SYSCALL_GETPID => sys_getpid(),
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SYSCALL_FORK => sys_fork(),
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SYSCALL_EXEC => sys_exec(args[0] as *const u8),
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SYSCALL_WAITPID => sys_waitpid(args[0] as isize, args[1] as *mut i32),
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_ => panic!("Unsupported syscall_id: {}", syscall_id),
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}
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}
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