X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/0067bc210e621ccda286092d081a7890d65e1c18..c50b9a23b03c677efa3842536c363d368542e30b:/lunaix-os/includes/lunaix/syscall.h diff --git a/lunaix-os/includes/lunaix/syscall.h b/lunaix-os/includes/lunaix/syscall.h index ee63c40..04ae40b 100644 --- a/lunaix-os/includes/lunaix/syscall.h +++ b/lunaix-os/includes/lunaix/syscall.h @@ -3,27 +3,74 @@ #include -#define __SYSCALL_fork 1 -#define __SYSCALL_yield 2 -#define __SYSCALL_sbrk 3 -#define __SYSCALL_brk 4 -#define __SYSCALL_getpid 5 -#define __SYSCALL_getppid 6 -#define __SYSCALL_sleep 7 -#define __SYSCALL__exit 8 - -#define __SYSCALL_MAX 0x100 +#define __SYSCALL_fork 1 +#define __SYSCALL_yield 2 +#define __SYSCALL_sbrk 3 +#define __SYSCALL_brk 4 +#define __SYSCALL_getpid 5 +#define __SYSCALL_getppid 6 +#define __SYSCALL_sleep 7 +#define __SYSCALL__exit 8 +#define __SYSCALL_wait 9 +#define __SYSCALL_waitpid 10 + +#define __SYSCALL_sigreturn 11 +#define __SYSCALL_sigprocmask 12 +#define __SYSCALL_signal 13 +#define __SYSCALL_pause 14 +#define __SYSCALL_kill 15 +#define __SYSCALL_alarm 16 +#define __SYSCALL_sigpending 17 +#define __SYSCALL_sigsuspend 18 +#define __SYSCALL_open 19 +#define __SYSCALL_close 20 + +#define __SYSCALL_read 21 +#define __SYSCALL_write 22 +#define __SYSCALL_readdir 23 +#define __SYSCALL_mkdir 24 +#define __SYSCALL_lseek 25 +#define __SYSCALL_geterrno 26 +#define __SYSCALL_readlink 27 +#define __SYSCALL_readlinkat 28 +#define __SYSCALL_rmdir 29 + +#define __SYSCALL_unlink 30 +#define __SYSCALL_unlinkat 31 +#define __SYSCALL_link 32 +#define __SYSCALL_fsync 33 +#define __SYSCALL_dup 34 +#define __SYSCALL_dup2 35 +#define __SYSCALL_realpathat 36 +#define __SYSCALL_symlink 37 +#define __SYSCALL_chdir 38 +#define __SYSCALL_fchdir 39 +#define __SYSCALL_getcwd 40 +#define __SYSCALL_rename 41 +#define __SYSCALL_mount 42 +#define __SYSCALL_unmount 43 +#define __SYSCALL_getxattr 44 +#define __SYSCALL_setxattr 45 +#define __SYSCALL_fgetxattr 46 +#define __SYSCALL_fsetxattr 47 + +#define __SYSCALL_ioctl 48 +#define __SYSCALL_getpgid 49 +#define __SYSCALL_setpgid 50 + +#define __SYSCALL_syslog 51 + +#define __SYSCALL_mmap 52 +#define __SYSCALL_munmap 53 + +#define __SYSCALL_MAX 0x100 #ifndef __ASM__ -void syscall_install(); -static void* syscall(unsigned int callcode) { - asm volatile( - "int %0" - ::"i"(LUNAIX_SYS_CALL), "D"(callcode) - :"eax" - ); -} +#define SYSCALL_ESTATUS(errno) -((errno) != 0) + +void +syscall_install(); #define asmlinkage __attribute__((regparm(0))) @@ -34,57 +81,87 @@ static void* syscall(unsigned int callcode) { #define __PARAM_MAP5(t1, p1, ...) t1 p1, __PARAM_MAP4(__VA_ARGS__) #define __PARAM_MAP6(t1, p1, ...) t1 p1, __PARAM_MAP5(__VA_ARGS__) -#define ___DOINT33(callcode, rettype)\ - int v; \ - asm volatile ( \ - "int %1\n" \ - :"=a"(v) \ - :"i"(LUNAIX_SYS_CALL), "a"(callcode)); \ - return (rettype)v; \ - -#define __DEFINE_LXSYSCALL(rettype, name) \ - asmlinkage rettype __lxsys_##name() +#define __DEFINE_LXSYSCALL(rettype, name) asmlinkage rettype __lxsys_##name() -#define __DEFINE_LXSYSCALL1(rettype, name, t1, p1) \ +#define __DEFINE_LXSYSCALL1(rettype, name, t1, p1) \ asmlinkage rettype __lxsys_##name(__PARAM_MAP1(t1, p1)) -#define __DEFINE_LXSYSCALL2(rettype, name, t1, p1, t2, p2) \ +#define __DEFINE_LXSYSCALL2(rettype, name, t1, p1, t2, p2) \ asmlinkage rettype __lxsys_##name(__PARAM_MAP2(t1, p1, t2, p2)) -#define __DEFINE_LXSYSCALL3(rettype, name, t1, p1, t2, p2, t3, p3) \ - asmlinkage rettype __lxsys_##name(__PARAM_MAP3(t1, p1, t2, p2, t3, p3)); +#define __DEFINE_LXSYSCALL3(rettype, name, t1, p1, t2, p2, t3, p3) \ + asmlinkage rettype __lxsys_##name(__PARAM_MAP3(t1, p1, t2, p2, t3, p3)) + +#define __DEFINE_LXSYSCALL4(rettype, name, t1, p1, t2, p2, t3, p3, t4, p4) \ + asmlinkage rettype __lxsys_##name( \ + __PARAM_MAP4(t1, p1, t2, p2, t3, p3, t4, p4)) + +#define __DEFINE_LXSYSCALL5( \ + rettype, name, t1, p1, t2, p2, t3, p3, t4, p4, t5, p5) \ + asmlinkage rettype __lxsys_##name( \ + __PARAM_MAP5(t1, p1, t2, p2, t3, p3, t4, p4, t5, p5)) -#define __DEFINE_LXSYSCALL4(rettype, name, t1, p1, t2, p2, t3, p3, t4, p4) \ - asmlinkage rettype __lxsys_##nam (__PARAM_MAP4(t1, p1, t2, p2, t3, p3, t4, p4)) +#define __SYSCALL_INTERRUPTIBLE(code) \ + asm("sti"); \ + { code }; \ + asm("cli"); +#define ___DOINT33(callcode, rettype) \ + int v; \ + asm volatile("int %1\n" : "=a"(v) : "i"(LUNAIX_SYS_CALL), "a"(callcode)); \ + return (rettype)v; -#define __LXSYSCALL(rettype, name) \ - rettype name () { \ - ___DOINT33(__SYSCALL_##name, rettype) \ +#define __LXSYSCALL(rettype, name) \ + static rettype name() \ + { \ + ___DOINT33(__SYSCALL_##name, rettype) \ } -#define __LXSYSCALL1(rettype, name, t1, p1) \ - rettype name (__PARAM_MAP1(t1, p1)) { \ - asm (""::"b"(p1)); \ - ___DOINT33(__SYSCALL_##name, rettype) \ +#define __LXSYSCALL1(rettype, name, t1, p1) \ + static rettype name(__PARAM_MAP1(t1, p1)) \ + { \ + asm("" ::"b"(p1)); \ + ___DOINT33(__SYSCALL_##name, rettype) \ } -#define __LXSYSCALL2(rettype, name, t1, p1, t2, p2) \ - rettype name (__PARAM_MAP2(t1, p1, t2, p2)) { \ - asm ("\n"::"b"(p1), "c"(p2)); \ - ___DOINT33(__SYSCALL_##name, rettype) \ +#define __LXSYSCALL2(rettype, name, t1, p1, t2, p2) \ + static rettype name(__PARAM_MAP2(t1, p1, t2, p2)) \ + { \ + asm("\n" ::"b"(p1), "c"(p2)); \ + ___DOINT33(__SYSCALL_##name, rettype) \ } -#define __LXSYSCALL3(rettype, name, t1, p1, t2, p2, t3, p3) \ - rettype name (__PARAM_MAP3(t1, p1, t2, p2, t3, p3)) { \ - asm ("\n"::"b"(p1), "c"(p2), "d"(p3)); \ - ___DOINT33(__SYSCALL_##name, rettype) \ +#define __LXSYSCALL3(rettype, name, t1, p1, t2, p2, t3, p3) \ + static rettype name(__PARAM_MAP3(t1, p1, t2, p2, t3, p3)) \ + { \ + asm("\n" ::"b"(p1), "c"(p2), "d"(p3)); \ + ___DOINT33(__SYSCALL_##name, rettype) \ } -#define __LXSYSCALL4(rettype, name, t1, p1, t2, p2, t3, p3, t4, p4) \ - rettype name (__PARAM_MAP3(t1, p1, t2, p2, t3, p3, t4, p4)) { \ - asm ("\n"::"b"(p1), "c"(p2), "d"(p3), "D"(p4)); \ - ___DOINT33(__SYSCALL_##name, rettype) \ +#define __LXSYSCALL4(rettype, name, t1, p1, t2, p2, t3, p3, t4, p4) \ + static rettype name(__PARAM_MAP4(t1, p1, t2, p2, t3, p3, t4, p4)) \ + { \ + asm("\n" ::"b"(p1), "c"(p2), "d"(p3), "D"(p4)); \ + ___DOINT33(__SYSCALL_##name, rettype) \ + } + +#define __LXSYSCALL5(rettype, name, t1, p1, t2, p2, t3, p3, t4, p4, t5, p5) \ + static rettype name(__PARAM_MAP5(t1, p1, t2, p2, t3, p3, t4, p4, t5, p5)) \ + { \ + asm("movl %0, %%ebp\n" ::"r"(p5), "b"(p1), "c"(p2), "d"(p3), "D"(p4) \ + : "%ebp"); \ + ___DOINT33(__SYSCALL_##name, rettype) \ + } + +#define __LXSYSCALL2_VARG(rettype, name, t1, p1, t2, p2) \ + __attribute__((noinline)) static rettype name( \ + __PARAM_MAP2(t1, p1, t2, p2), ...) \ + { \ + /* No inlining! This depends on the call frame assumption */ \ + void* _last = (void*)&p2 + sizeof(void*); \ + asm("\n" ::"b"(p1), "c"(p2), "d"(_last)); \ + ___DOINT33(__SYSCALL_##name, rettype) \ } #endif + #endif /* __LUNAIX_SYSCALL_H */