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Encode many of the file syscalls

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This commit is contained in:
Jeremy Soller 2016-09-25 11:20:59 -06:00
parent 0e8487cf83
commit 549fe53bc3
5 changed files with 131 additions and 194 deletions
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4
syscall/src/lib.rs
View file

@ -8,6 +8,8 @@ pub use self::flag::*;
pub use self::number::*;
pub use self::scheme::*;
use core::mem;
#[cfg(target_arch = "x86")]
#[path="x86.rs"]
mod arch;
@ -67,7 +69,7 @@ pub fn fpath(fd: usize, buf: &mut [u8]) -> Result<usize> {
}
pub fn fstat(fd: usize, stat: &mut Stat) -> Result<usize> {
unsafe { syscall2(SYS_FSTAT, fd, stat as *mut Stat as usize) }
unsafe { syscall3(SYS_FSTAT, fd, stat as *mut Stat as usize, mem::size_of::<Stat>()) }
}
pub fn fsync(fd: usize) -> Result<usize> {

76
syscall/src/number.rs
View file

@ -1,31 +1,45 @@
pub const SYS_BRK: usize = 45;
pub const SYS_CHDIR: usize = 12;
pub const SYS_CLONE: usize = 120;
pub const SYS_CLOSE: usize = 6;
pub const SYS_CLOCK_GETTIME: usize = 265;
pub const SYS_DUP: usize = 41;
pub const SYS_EXECVE: usize = 11;
pub const SYS_EXIT: usize = 1;
pub const SYS_FEVENT: usize = 927;
pub const SYS_FPATH: usize = 928;
pub const SYS_FSTAT: usize = 28;
pub const SYS_FSYNC: usize = 118;
pub const SYS_FTRUNCATE: usize = 93;
pub const SYS_FUTEX: usize = 240;
pub const SYS_GETCWD: usize = 183;
pub const SYS_GETPID: usize = 20;
pub const SYS_IOPL: usize = 110;
pub const SYS_LINK: usize = 9;
pub const SYS_LSEEK: usize = 19;
pub const SYS_MKDIR: usize = 39;
pub const SYS_NANOSLEEP: usize = 162;
pub const SYS_OPEN: usize = 5;
pub const SYS_PHYSMAP: usize = 945;
pub const SYS_PHYSUNMAP: usize = 946;
pub const SYS_PIPE2: usize = 331;
pub const SYS_READ: usize = 3;
pub const SYS_RMDIR: usize = 84;
pub const SYS_UNLINK: usize = 10;
pub const SYS_WAITPID: usize = 7;
pub const SYS_WRITE: usize = 4;
pub const SYS_YIELD: usize = 158;
pub const SYS_CLASS: usize = 0xF000_0000;
pub const SYS_CLASS_PATH: usize=0x1000_0000;
pub const SYS_CLASS_FILE: usize=0x2000_0000;
pub const SYS_ARG: usize = 0x0F00_0000;
pub const SYS_ARG_SLICE: usize =0x0100_0000;
pub const SYS_ARG_MSLICE: usize=0x0200_0000;
pub const SYS_ARG_PATH: usize = 0x0300_0000;
pub const SYS_RET: usize = 0x00F0_0000;
pub const SYS_RET_FILE: usize = 0x0010_0000;
pub const SYS_LINK: usize = SYS_CLASS_PATH | SYS_ARG_PATH | 9;
pub const SYS_OPEN: usize = SYS_CLASS_PATH | SYS_RET_FILE | 5;
pub const SYS_MKDIR: usize = SYS_CLASS_PATH | 39;
pub const SYS_RMDIR: usize = SYS_CLASS_PATH | 84;
pub const SYS_UNLINK: usize = SYS_CLASS_PATH | 10;
pub const SYS_CLOSE: usize = SYS_CLASS_FILE | 6;
pub const SYS_DUP: usize = SYS_CLASS_FILE | SYS_RET_FILE | 41;
pub const SYS_READ: usize = SYS_CLASS_FILE | SYS_ARG_MSLICE | 3;
pub const SYS_WRITE: usize = SYS_CLASS_FILE | SYS_ARG_SLICE | 4;
pub const SYS_FEVENT: usize = SYS_CLASS_FILE | 927;
pub const SYS_LSEEK: usize = SYS_CLASS_FILE | 19;
pub const SYS_FPATH: usize = SYS_CLASS_FILE | SYS_ARG_MSLICE | 928;
pub const SYS_FSTAT: usize = SYS_CLASS_FILE | SYS_ARG_MSLICE | 28;
pub const SYS_FSYNC: usize = SYS_CLASS_FILE | 118;
pub const SYS_FTRUNCATE: usize =SYS_CLASS_FILE | 93;
pub const SYS_BRK: usize = 45;
pub const SYS_CHDIR: usize = 12;
pub const SYS_CLOCK_GETTIME: usize = 265;
pub const SYS_CLONE: usize = 120;
pub const SYS_EXECVE: usize = 11;
pub const SYS_EXIT: usize = 1;
pub const SYS_FUTEX: usize = 240;
pub const SYS_GETCWD: usize = 183;
pub const SYS_GETPID: usize = 20;
pub const SYS_IOPL: usize = 110;
pub const SYS_NANOSLEEP: usize =162;
pub const SYS_PHYSMAP: usize = 945;
pub const SYS_PHYSUNMAP: usize =946;
pub const SYS_PIPE2: usize = 331;
pub const SYS_WAITPID: usize = 7;
pub const SYS_YIELD: usize = 158;