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Rearrange syscall order and implement dummy sys_fstatfs

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master
Jiajie Chen 6 years ago
parent 547baa9ecd
commit 705505c543
1 changed files with 71 additions and 59 deletions
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130
kernel/src/syscall/mod.rs
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@ -50,22 +50,49 @@ pub fn syscall(id: usize, args: [usize; 6], tf: &mut TrapFrame) -> isize {
// See https://filippo.io/linux-syscall-table/
// And https://fedora.juszkiewicz.com.pl/syscalls.html.
let ret = match id {
// file
// 0
SYS_READ => sys_read(args[0], args[1] as *mut u8, args[2]),
SYS_WRITE => sys_write(args[0], args[1] as *const u8, args[2]),
SYS_CLOSE => sys_close(args[0]),
SYS_FSTAT => sys_fstat(args[0], args[1] as *mut Stat),
SYS_LSEEK => sys_lseek(args[0], args[1] as i64, args[2] as u8),
SYS_MMAP => sys_mmap(args[0], args[1], args[2], args[3], args[4], args[5]),
// 10
SYS_MPROTECT => sys_mprotect(args[0], args[1], args[2]),
SYS_MUNMAP => sys_munmap(args[0], args[1]),
SYS_BRK => {
warn!("sys_brk is unimplemented");
Ok(0)
}
SYS_RT_SIGACTION => {
warn!("sys_sigaction is unimplemented");
Ok(0)
}
SYS_RT_SIGPROCMASK => {
warn!("sys_sigprocmask is unimplemented");
Ok(0)
}
SYS_IOCTL => {
warn!("sys_ioctl is unimplemented");
Ok(0)
}
SYS_PREAD64 => sys_pread(args[0], args[1] as *mut u8, args[2], args[3]),
SYS_PWRITE64 => sys_pwrite(args[0], args[1] as *const u8, args[2], args[3]),
SYS_READV => sys_readv(args[0], args[1] as *const IoVec, args[2]),
// 20
SYS_WRITEV => sys_writev(args[0], args[1] as *const IoVec, args[2]),
SYS_SCHED_YIELD => sys_yield(),
SYS_MADVISE => {
warn!("sys_madvise is unimplemented");
Ok(0)
}
SYS_NANOSLEEP => sys_nanosleep(args[0] as *const TimeSpec),
SYS_SETITIMER => {
warn!("sys_setitimer is unimplemented");
Ok(0)
}
SYS_GETPID => sys_getpid(),
// 40
SYS_SENDFILE => sys_sendfile(args[0], args[1], args[3] as *mut usize, args[4]),
SYS_SOCKET => sys_socket(args[0], args[1], args[2]),
SYS_CONNECT => sys_connect(args[0], args[1] as *const SockAddr, args[2]),
@ -76,6 +103,7 @@ pub fn syscall(id: usize, args: [usize; 6], tf: &mut TrapFrame) -> isize {
// SYS_RECVMSG => sys_recvmsg(),
SYS_SHUTDOWN => sys_shutdown(args[0], args[1]),
SYS_BIND => sys_bind(args[0], args[1] as *const SockAddr, args[2]),
// 50
SYS_LISTEN => sys_listen(args[0], args[1]),
SYS_GETSOCKNAME => sys_getsockname(args[0], args[1] as *mut SockAddr, args[2] as *mut u32),
SYS_GETPEERNAME => sys_getpeername(args[0], args[1] as *mut SockAddr, args[2] as *mut u32),
@ -83,79 +111,30 @@ pub fn syscall(id: usize, args: [usize; 6], tf: &mut TrapFrame) -> isize {
SYS_GETSOCKOPT => sys_getsockopt(args[0], args[1], args[2], args[3] as *mut u8, args[4] as *mut u32),
SYS_CLONE => sys_clone(args[0], args[1], args[2] as *mut u32, args[3] as *mut u32, args[4], tf),
SYS_EXECVE => sys_exec(args[0] as *const u8, args[1] as *const *const u8, args[2] as *const *const u8, tf),
// 60
SYS_EXIT => sys_exit(args[0] as usize),
SYS_WAIT4 => sys_wait4(args[0] as isize, args[1] as *mut i32), // TODO: wait4
SYS_KILL => sys_kill(args[0], args[1]),
SYS_UNAME => sys_uname(args[0] as *mut u8),
SYS_FCNTL => {
warn!("sys_fcntl is unimplemented");
Ok(0)
}
SYS_FSYNC => sys_fsync(args[0]),
SYS_FDATASYNC => sys_fdatasync(args[0]),
SYS_TRUNCATE => sys_truncate(args[0] as *const u8, args[1]),
SYS_FTRUNCATE => sys_ftruncate(args[0], args[1]),
SYS_GETCWD => sys_getcwd(args[0] as *mut u8, args[1]),
// 80
SYS_CHDIR => sys_chdir(args[0] as *const u8),
SYS_GETTIMEOFDAY => sys_gettimeofday(args[0] as *mut TimeVal, args[1] as *const u8),
// SYS_GETRLIMIT => sys_getrlimit(),
SYS_GETRUSAGE => sys_getrusage(args[0], args[1] as *mut RUsage),
SYS_SYSINFO => sys_sysinfo(args[0] as *mut SysInfo),
SYS_GETPPID => sys_getppid(),
SYS_SETPRIORITY => sys_set_priority(args[0]),
// SYS_SETRLIMIT => sys_setrlimit(),
SYS_SYNC => sys_sync(),
SYS_REBOOT => sys_reboot(args[0] as u32, args[1] as u32, args[2] as u32, args[3] as *const u8),
SYS_GETTID => sys_gettid(),
SYS_FUTEX => sys_futex(args[0], args[1] as u32, args[2] as i32, args[3] as *const TimeSpec),
SYS_SCHED_GETAFFINITY => sys_sched_getaffinity(args[0], args[1], args[2] as *mut u32),
SYS_GETDENTS64 => sys_getdents64(args[0], args[1] as *mut LinuxDirent64, args[2]),
SYS_CLOCK_GETTIME => sys_clock_gettime(args[0], args[1] as *mut TimeSpec),
SYS_EXIT_GROUP => sys_exit_group(args[0]),
SYS_OPENAT => sys_open(args[1] as *const u8, args[2], args[3]), // TODO: handle `dfd`
SYS_MKDIRAT => sys_mkdir(args[1] as *const u8, args[2]), // TODO: handle `dfd`
// SYS_MKNODAT => sys_mknod(),
SYS_NEWFSTATAT => sys_stat(args[1] as *const u8, args[2] as *mut Stat), // TODO: handle `dfd`, `flag`
SYS_UNLINKAT => sys_unlink(args[1] as *const u8), // TODO: handle `dfd`, `flag`
SYS_RENAMEAT => sys_rename(args[1] as *const u8, args[3] as *const u8), // TODO: handle `olddfd`, `newdfd`
SYS_LINKAT => sys_link(args[1] as *const u8, args[3] as *const u8), // TODO: handle `olddfd`, `newdfd`, `flags`
SYS_FACCESSAT => sys_access(args[1] as *const u8, args[2]), // TODO: handle `dfd`
SYS_ACCEPT4 => sys_accept(args[0], args[1] as *mut SockAddr, args[2] as *mut u32), // use accept for accept4
SYS_DUP3 => sys_dup2(args[0], args[1]), // TODO: handle `flags`
SYS_PIPE2 => sys_pipe(args[0] as *mut u32), // TODO: handle `flags`
// custom temporary syscall
SYS_MAP_PCI_DEVICE => sys_map_pci_device(args[0], args[1]),
SYS_GET_PADDR => sys_get_paddr(args[0] as *const u64, args[1] as *mut u64, args[2]),
// for musl: empty impl
SYS_BRK => {
warn!("sys_brk is unimplemented");
Ok(0)
}
SYS_RT_SIGACTION => {
warn!("sys_sigaction is unimplemented");
Ok(0)
}
SYS_RT_SIGPROCMASK => {
warn!("sys_sigprocmask is unimplemented");
Ok(0)
}
SYS_IOCTL => {
warn!("sys_ioctl is unimplemented");
Ok(0)
}
SYS_MADVISE => {
warn!("sys_madvise is unimplemented");
Ok(0)
}
SYS_SETITIMER => {
warn!("sys_setitimer is unimplemented");
Ok(0)
}
SYS_FCNTL => {
warn!("sys_fcntl is unimplemented");
Ok(0)
}
SYS_UMASK => {
warn!("sys_umask is unimplemented");
Ok(0o777)
}
// SYS_GETRLIMIT => sys_getrlimit(),
SYS_GETRUSAGE => sys_getrusage(args[0], args[1] as *mut RUsage),
SYS_SYSINFO => sys_sysinfo(args[0] as *mut SysInfo),
SYS_GETUID => {
warn!("sys_getuid is unimplemented");
Ok(0)
@ -176,6 +155,8 @@ pub fn syscall(id: usize, args: [usize; 6], tf: &mut TrapFrame) -> isize {
warn!("sys_getegid is unimplemented");
Ok(0)
}
// 110
SYS_GETPPID => sys_getppid(),
SYS_SETSID => {
warn!("sys_setsid is unimplemented");
Ok(0)
@ -184,22 +165,53 @@ pub fn syscall(id: usize, args: [usize; 6], tf: &mut TrapFrame) -> isize {
warn!("sys_sigaltstack is unimplemented");
Ok(0)
}
SYS_FSTATFS => {
warn!("fstat: not implemented");
Err(SysError::EACCES)
}
SYS_SETPRIORITY => sys_set_priority(args[0]),
// SYS_SETRLIMIT => sys_setrlimit(),
SYS_SYNC => sys_sync(),
SYS_REBOOT => sys_reboot(args[0] as u32, args[1] as u32, args[2] as u32, args[3] as *const u8),
SYS_GETTID => sys_gettid(),
SYS_FUTEX => sys_futex(args[0], args[1] as u32, args[2] as i32, args[3] as *const TimeSpec),
SYS_SCHED_GETAFFINITY => sys_sched_getaffinity(args[0], args[1], args[2] as *mut u32),
SYS_GETDENTS64 => sys_getdents64(args[0], args[1] as *mut LinuxDirent64, args[2]),
SYS_SET_TID_ADDRESS => {
warn!("sys_set_tid_address is unimplemented");
Ok(thread::current().id())
}
SYS_CLOCK_GETTIME => sys_clock_gettime(args[0], args[1] as *mut TimeSpec),
SYS_EXIT_GROUP => sys_exit_group(args[0]),
SYS_OPENAT => sys_open(args[1] as *const u8, args[2], args[3]), // TODO: handle `dfd`
SYS_MKDIRAT => sys_mkdir(args[1] as *const u8, args[2]), // TODO: handle `dfd`
// SYS_MKNODAT => sys_mknod(),
SYS_NEWFSTATAT => sys_stat(args[1] as *const u8, args[2] as *mut Stat), // TODO: handle `dfd`, `flag`
SYS_UNLINKAT => sys_unlink(args[1] as *const u8), // TODO: handle `dfd`, `flag`
SYS_RENAMEAT => sys_rename(args[1] as *const u8, args[3] as *const u8), // TODO: handle `olddfd`, `newdfd`
SYS_LINKAT => sys_link(args[1] as *const u8, args[3] as *const u8), // TODO: handle `olddfd`, `newdfd`, `flags`
SYS_FACCESSAT => sys_access(args[1] as *const u8, args[2]), // TODO: handle `dfd`
// 280
SYS_UTIMENSAT => {
warn!("sys_utimensat is unimplemented");
Ok(0)
}
SYS_ACCEPT4 => sys_accept(args[0], args[1] as *mut SockAddr, args[2] as *mut u32), // use accept for accept4
SYS_EPOLL_CREATE1 => {
warn!("sys_epoll_create1 is unimplemented");
Err(SysError::ENOSYS)
}
SYS_DUP3 => sys_dup2(args[0], args[1]), // TODO: handle `flags`
SYS_PIPE2 => sys_pipe(args[0] as *mut u32), // TODO: handle `flags`
SYS_PRLIMIT64 => {
warn!("sys_prlimit64 is unimplemented");
Ok(0)
}
// custom temporary syscall
SYS_MAP_PCI_DEVICE => sys_map_pci_device(args[0], args[1]),
SYS_GET_PADDR => sys_get_paddr(args[0] as *const u64, args[1] as *mut u64, args[2]),
_ => {
#[cfg(target_arch = "x86_64")]
let x86_64_ret = x86_64_syscall(id, args, tf);

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