feat: No more kernel page table switching upon interrupt.

[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 d93358425a51861ffad05d868ce0b19c13bd93f9..7faa7ded58f2fd3eff9e443c3cb88c870a8973d2 100644 (file)
--- a/lunaix-os/includes/lunaix/syscall.h
+++ b/lunaix-os/includes/lunaix/syscall.h
@@ -3,11 +3,15 @@
 
 #include <arch/x86/vectors.h>
 
-#define __SYSCALL_fork    0x1
-#define __SYSCALL_yield   0x2
-#define __SYSCALL_exit    0x3
-#define __SYSCALL_sbrk    0x4
-#define __SYSCALL_brk     0x5
+#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
 
@@ -22,6 +26,15 @@ static void* syscall(unsigned int callcode) {
     );
 }
 
+#define asmlinkage __attribute__((regparm(0)))
+
+#define __PARAM_MAP1(t1, p1) t1 p1
+#define __PARAM_MAP2(t1, p1, ...) t1 p1, __PARAM_MAP1(__VA_ARGS__)
+#define __PARAM_MAP3(t1, p1, ...) t1 p1, __PARAM_MAP2(__VA_ARGS__)
+#define __PARAM_MAP4(t1, p1, ...) t1 p1, __PARAM_MAP3(__VA_ARGS__)
+#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 (  \
@@ -30,31 +43,47 @@ static void* syscall(unsigned int callcode) {
         :"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) \
+    asmlinkage rettype __lxsys_##name(__PARAM_MAP1(t1, p1))
+
+#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_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 __LXSYSCALL(rettype, name) \
     rettype name () { \
         ___DOINT33(__SYSCALL_##name, rettype) \
     }
 
 #define __LXSYSCALL1(rettype, name, t1, p1) \
-    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) \
-    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) \
-    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) \
-    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) \
     }