#include <arch/x86/vectors.h>
-#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_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_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)))
#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_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) \
+ static rettype name() \
+ { \
+ ___DOINT33(__SYSCALL_##name, rettype) \
+ }
-#define __LXSYSCALL(rettype, name) \
- rettype name () { \
- ___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 __LXSYSCALL1(rettype, name, t1, p1) \
- rettype name (__PARAM_MAP1(t1, p1)) { \
- asm (""::"b"(p1)); \
- ___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 __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 __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 __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 __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 __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 __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 */
git://scm.lunaixsky.com / lunaix-os.git / blobdiff