Framework for exporting system header to user space (#59)

[lunaix-os.git] / lunaix-os / includes / lunaix / syscall.h

diff --git a/lunaix-os/includes/lunaix/syscall.h b/lunaix-os/includes/lunaix/syscall.h
index dc61f64fc0e656f4aa942127d24e0243578f877f..1460013961cb553db28e7d1c85f5e0c96741a41b 100644 (file)
--- a/lunaix-os/includes/lunaix/syscall.h
+++ b/lunaix-os/includes/lunaix/syscall.h
@@ -1,29 +1,11 @@
 #ifndef __LUNAIX_SYSCALL_H
 #define __LUNAIX_SYSCALL_H
 
-#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_MAX 1024
 
 #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)
 
 #define asmlinkage __attribute__((regparm(0)))
 
@@ -34,11 +16,6 @@ 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_LXSYSCALL1(rettype, name, t1, p1)                             \
@@ -48,44 +25,16 @@ syscall(unsigned int callcode)
     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));
+    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_##nam(                                          \
+    asmlinkage rettype __lxsys_##name(                                         \
       __PARAM_MAP4(t1, p1, t2, p2, t3, p3, t4, p4))
 
-#define __LXSYSCALL(rettype, name)                                             \
-    static 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 __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)                    \
-    static rettype name(__PARAM_MAP3(t1, p1, t2, p2, t3, p3))                  \
-    {                                                                          \
-        asm("\n" ::"b"(p1), "c"(p2), "d"(p3));                                 \
-        ___DOINT33(__SYSCALL_##name, rettype)                                  \
-    }
+#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 __LXSYSCALL4(rettype, name, t1, p1, t2, p2, t3, p3, t4, p4)            \
-    static 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)                                  \
-    }
 #endif
 #endif /* __LUNAIX_SYSCALL_H */