diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));

diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));
diff --git a/src/kernel/include/service.h b/src/kernel/include/service.h
index 617e50c..46da745 100644
--- a/src/kernel/include/service.h
+++ b/src/kernel/include/service.h
@@ -35,9 +35,8 @@
 extern Service *findService(char *);
 extern ServiceFunction *findFunction(Service *, char *);
 extern Service *currentService;
-extern void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                             uintptr_t data2, uintptr_t data3,
-                             Syscall *respondingTo);
+extern void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo,
+                             ...);
 extern void fireEvent(Event *event, uint32_t data1);
 extern void installKernelEvents();
 

diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));
diff --git a/src/kernel/include/service.h b/src/kernel/include/service.h
index 617e50c..46da745 100644
--- a/src/kernel/include/service.h
+++ b/src/kernel/include/service.h
@@ -35,9 +35,8 @@
 extern Service *findService(char *);
 extern ServiceFunction *findFunction(Service *, char *);
 extern Service *currentService;
-extern void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                             uintptr_t data2, uintptr_t data3,
-                             Syscall *respondingTo);
+extern void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo,
+                             ...);
 extern void fireEvent(Event *event, uint32_t data1);
 extern void installKernelEvents();
 
diff --git a/src/kernel/include/util.h b/src/kernel/include/util.h
index 2fc4417..ecf13b0 100644
--- a/src/kernel/include/util.h
+++ b/src/kernel/include/util.h
@@ -10,6 +10,7 @@
 #define NULL PTR(0)
 
 #define MIN(x, y) (x < y ? x : y)
+#define MAX(x, y) (x < y ? y : x)
 
 #define PAGE_COUNT(x) (((x - 1) / 4096) + 1)
 #define BITS(x) (sizeof(x) * 8)

diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));
diff --git a/src/kernel/include/service.h b/src/kernel/include/service.h
index 617e50c..46da745 100644
--- a/src/kernel/include/service.h
+++ b/src/kernel/include/service.h
@@ -35,9 +35,8 @@
 extern Service *findService(char *);
 extern ServiceFunction *findFunction(Service *, char *);
 extern Service *currentService;
-extern void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                             uintptr_t data2, uintptr_t data3,
-                             Syscall *respondingTo);
+extern void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo,
+                             ...);
 extern void fireEvent(Event *event, uint32_t data1);
 extern void installKernelEvents();
 
diff --git a/src/kernel/include/util.h b/src/kernel/include/util.h
index 2fc4417..ecf13b0 100644
--- a/src/kernel/include/util.h
+++ b/src/kernel/include/util.h
@@ -10,6 +10,7 @@
 #define NULL PTR(0)
 
 #define MIN(x, y) (x < y ? x : y)
+#define MAX(x, y) (x < y ? y : x)
 
 #define PAGE_COUNT(x) (((x - 1) / 4096) + 1)
 #define BITS(x) (sizeof(x) * 8)
diff --git a/src/kernel/interrupts/interruptDescriptors.asm b/src/kernel/interrupts/interruptDescriptors.asm
index 1b80dc9..9e22836 100644
--- a/src/kernel/interrupts/interruptDescriptors.asm
+++ b/src/kernel/interrupts/interruptDescriptors.asm
@@ -21,6 +21,7 @@
   je $
   mov ecx, 0x500000
   mov cr3, ecx
+  push ebp
   call onException
   mov eax, [temporaryESP]
   mov esp, eax

diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));
diff --git a/src/kernel/include/service.h b/src/kernel/include/service.h
index 617e50c..46da745 100644
--- a/src/kernel/include/service.h
+++ b/src/kernel/include/service.h
@@ -35,9 +35,8 @@
 extern Service *findService(char *);
 extern ServiceFunction *findFunction(Service *, char *);
 extern Service *currentService;
-extern void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                             uintptr_t data2, uintptr_t data3,
-                             Syscall *respondingTo);
+extern void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo,
+                             ...);
 extern void fireEvent(Event *event, uint32_t data1);
 extern void installKernelEvents();
 
diff --git a/src/kernel/include/util.h b/src/kernel/include/util.h
index 2fc4417..ecf13b0 100644
--- a/src/kernel/include/util.h
+++ b/src/kernel/include/util.h
@@ -10,6 +10,7 @@
 #define NULL PTR(0)
 
 #define MIN(x, y) (x < y ? x : y)
+#define MAX(x, y) (x < y ? y : x)
 
 #define PAGE_COUNT(x) (((x - 1) / 4096) + 1)
 #define BITS(x) (sizeof(x) * 8)
diff --git a/src/kernel/interrupts/interruptDescriptors.asm b/src/kernel/interrupts/interruptDescriptors.asm
index 1b80dc9..9e22836 100644
--- a/src/kernel/interrupts/interruptDescriptors.asm
+++ b/src/kernel/interrupts/interruptDescriptors.asm
@@ -21,6 +21,7 @@
   je $
   mov ecx, 0x500000
   mov cr3, ecx
+  push ebp
   call onException
   mov eax, [temporaryESP]
   mov esp, eax
diff --git a/src/kernel/interrupts/interrupts.c b/src/kernel/interrupts/interrupts.c
index 8ce4e9c..19513ba 100644
--- a/src/kernel/interrupts/interrupts.c
+++ b/src/kernel/interrupts/interrupts.c
@@ -25,15 +25,19 @@
 void onInterrupt(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
                  uint32_t intNo) {
     foreach (interruptSubscriptions[intNo], ServiceFunction *, provider,
-             { scheduleFunction(provider, intNo, 0, 0, NULL); })
+             { scheduleFunction(provider, NULL, intNo); })
         ;
 }
 
-void onException(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
-                 uint32_t intNo) {
+void onException(void *ebp, void *cr3, uint32_t d, uint32_t c, uint32_t b,
+                 uint32_t a, uint32_t intNo, uint32_t errorCode, uint32_t eip) {
     foreach (interruptSubscriptions[0], ServiceFunction *, provider, {
-        scheduleFunction(provider, intNo, 0,
-                         ((Service *)currentSyscall->service)->nameHash, NULL);
+        scheduleFunction(
+            provider, NULL, intNo, errorCode, eip,
+            U32(getPhysicalAddress(
+                ((Service *)currentSyscall->service)->pagingInfo.pageDirectory,
+                ebp)),
+            ((Service *)currentSyscall->service)->nameHash);
     })
 }
 

diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));
diff --git a/src/kernel/include/service.h b/src/kernel/include/service.h
index 617e50c..46da745 100644
--- a/src/kernel/include/service.h
+++ b/src/kernel/include/service.h
@@ -35,9 +35,8 @@
 extern Service *findService(char *);
 extern ServiceFunction *findFunction(Service *, char *);
 extern Service *currentService;
-extern void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                             uintptr_t data2, uintptr_t data3,
-                             Syscall *respondingTo);
+extern void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo,
+                             ...);
 extern void fireEvent(Event *event, uint32_t data1);
 extern void installKernelEvents();
 
diff --git a/src/kernel/include/util.h b/src/kernel/include/util.h
index 2fc4417..ecf13b0 100644
--- a/src/kernel/include/util.h
+++ b/src/kernel/include/util.h
@@ -10,6 +10,7 @@
 #define NULL PTR(0)
 
 #define MIN(x, y) (x < y ? x : y)
+#define MAX(x, y) (x < y ? y : x)
 
 #define PAGE_COUNT(x) (((x - 1) / 4096) + 1)
 #define BITS(x) (sizeof(x) * 8)
diff --git a/src/kernel/interrupts/interruptDescriptors.asm b/src/kernel/interrupts/interruptDescriptors.asm
index 1b80dc9..9e22836 100644
--- a/src/kernel/interrupts/interruptDescriptors.asm
+++ b/src/kernel/interrupts/interruptDescriptors.asm
@@ -21,6 +21,7 @@
   je $
   mov ecx, 0x500000
   mov cr3, ecx
+  push ebp
   call onException
   mov eax, [temporaryESP]
   mov esp, eax
diff --git a/src/kernel/interrupts/interrupts.c b/src/kernel/interrupts/interrupts.c
index 8ce4e9c..19513ba 100644
--- a/src/kernel/interrupts/interrupts.c
+++ b/src/kernel/interrupts/interrupts.c
@@ -25,15 +25,19 @@
 void onInterrupt(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
                  uint32_t intNo) {
     foreach (interruptSubscriptions[intNo], ServiceFunction *, provider,
-             { scheduleFunction(provider, intNo, 0, 0, NULL); })
+             { scheduleFunction(provider, NULL, intNo); })
         ;
 }
 
-void onException(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
-                 uint32_t intNo) {
+void onException(void *ebp, void *cr3, uint32_t d, uint32_t c, uint32_t b,
+                 uint32_t a, uint32_t intNo, uint32_t errorCode, uint32_t eip) {
     foreach (interruptSubscriptions[0], ServiceFunction *, provider, {
-        scheduleFunction(provider, intNo, 0,
-                         ((Service *)currentSyscall->service)->nameHash, NULL);
+        scheduleFunction(
+            provider, NULL, intNo, errorCode, eip,
+            U32(getPhysicalAddress(
+                ((Service *)currentSyscall->service)->pagingInfo.pageDirectory,
+                ebp)),
+            ((Service *)currentSyscall->service)->nameHash);
     })
 }
 
diff --git a/src/kernel/main.c b/src/kernel/main.c
index dd53e59..2d69c20 100644
--- a/src/kernel/main.c
+++ b/src/kernel/main.c
@@ -25,7 +25,7 @@
 Service *loadProgram(char *name, Syscall *respondingTo) {
     Service *service = readInitrdProgram(name);
     ServiceFunction *provider = findFunction(service, "main");
-    scheduleFunction(provider, 0, 0, 0, respondingTo);
+    scheduleFunction(provider, respondingTo);
     return service;
 }
 

diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));
diff --git a/src/kernel/include/service.h b/src/kernel/include/service.h
index 617e50c..46da745 100644
--- a/src/kernel/include/service.h
+++ b/src/kernel/include/service.h
@@ -35,9 +35,8 @@
 extern Service *findService(char *);
 extern ServiceFunction *findFunction(Service *, char *);
 extern Service *currentService;
-extern void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                             uintptr_t data2, uintptr_t data3,
-                             Syscall *respondingTo);
+extern void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo,
+                             ...);
 extern void fireEvent(Event *event, uint32_t data1);
 extern void installKernelEvents();
 
diff --git a/src/kernel/include/util.h b/src/kernel/include/util.h
index 2fc4417..ecf13b0 100644
--- a/src/kernel/include/util.h
+++ b/src/kernel/include/util.h
@@ -10,6 +10,7 @@
 #define NULL PTR(0)
 
 #define MIN(x, y) (x < y ? x : y)
+#define MAX(x, y) (x < y ? y : x)
 
 #define PAGE_COUNT(x) (((x - 1) / 4096) + 1)
 #define BITS(x) (sizeof(x) * 8)
diff --git a/src/kernel/interrupts/interruptDescriptors.asm b/src/kernel/interrupts/interruptDescriptors.asm
index 1b80dc9..9e22836 100644
--- a/src/kernel/interrupts/interruptDescriptors.asm
+++ b/src/kernel/interrupts/interruptDescriptors.asm
@@ -21,6 +21,7 @@
   je $
   mov ecx, 0x500000
   mov cr3, ecx
+  push ebp
   call onException
   mov eax, [temporaryESP]
   mov esp, eax
diff --git a/src/kernel/interrupts/interrupts.c b/src/kernel/interrupts/interrupts.c
index 8ce4e9c..19513ba 100644
--- a/src/kernel/interrupts/interrupts.c
+++ b/src/kernel/interrupts/interrupts.c
@@ -25,15 +25,19 @@
 void onInterrupt(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
                  uint32_t intNo) {
     foreach (interruptSubscriptions[intNo], ServiceFunction *, provider,
-             { scheduleFunction(provider, intNo, 0, 0, NULL); })
+             { scheduleFunction(provider, NULL, intNo); })
         ;
 }
 
-void onException(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
-                 uint32_t intNo) {
+void onException(void *ebp, void *cr3, uint32_t d, uint32_t c, uint32_t b,
+                 uint32_t a, uint32_t intNo, uint32_t errorCode, uint32_t eip) {
     foreach (interruptSubscriptions[0], ServiceFunction *, provider, {
-        scheduleFunction(provider, intNo, 0,
-                         ((Service *)currentSyscall->service)->nameHash, NULL);
+        scheduleFunction(
+            provider, NULL, intNo, errorCode, eip,
+            U32(getPhysicalAddress(
+                ((Service *)currentSyscall->service)->pagingInfo.pageDirectory,
+                ebp)),
+            ((Service *)currentSyscall->service)->nameHash);
     })
 }
 
diff --git a/src/kernel/main.c b/src/kernel/main.c
index dd53e59..2d69c20 100644
--- a/src/kernel/main.c
+++ b/src/kernel/main.c
@@ -25,7 +25,7 @@
 Service *loadProgram(char *name, Syscall *respondingTo) {
     Service *service = readInitrdProgram(name);
     ServiceFunction *provider = findFunction(service, "main");
-    scheduleFunction(provider, 0, 0, 0, respondingTo);
+    scheduleFunction(provider, respondingTo);
     return service;
 }
 
diff --git a/src/kernel/service/events.c b/src/kernel/service/events.c
index 6e9f2f3..35f5827 100644
--- a/src/kernel/service/events.c
+++ b/src/kernel/service/events.c
@@ -13,9 +13,9 @@
     return event;
 }
 
-void fireEvent(Event *event, uint32_t data1) {
+void fireEvent(Event *event, uint32_t data) {
     foreach (event->subscriptions, ServiceFunction *, function,
-             { scheduleFunction(function, data1, 0, 0, 0); })
+             { scheduleFunction(function, NULL, data); })
         ;
 }
 

diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));
diff --git a/src/kernel/include/service.h b/src/kernel/include/service.h
index 617e50c..46da745 100644
--- a/src/kernel/include/service.h
+++ b/src/kernel/include/service.h
@@ -35,9 +35,8 @@
 extern Service *findService(char *);
 extern ServiceFunction *findFunction(Service *, char *);
 extern Service *currentService;
-extern void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                             uintptr_t data2, uintptr_t data3,
-                             Syscall *respondingTo);
+extern void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo,
+                             ...);
 extern void fireEvent(Event *event, uint32_t data1);
 extern void installKernelEvents();
 
diff --git a/src/kernel/include/util.h b/src/kernel/include/util.h
index 2fc4417..ecf13b0 100644
--- a/src/kernel/include/util.h
+++ b/src/kernel/include/util.h
@@ -10,6 +10,7 @@
 #define NULL PTR(0)
 
 #define MIN(x, y) (x < y ? x : y)
+#define MAX(x, y) (x < y ? y : x)
 
 #define PAGE_COUNT(x) (((x - 1) / 4096) + 1)
 #define BITS(x) (sizeof(x) * 8)
diff --git a/src/kernel/interrupts/interruptDescriptors.asm b/src/kernel/interrupts/interruptDescriptors.asm
index 1b80dc9..9e22836 100644
--- a/src/kernel/interrupts/interruptDescriptors.asm
+++ b/src/kernel/interrupts/interruptDescriptors.asm
@@ -21,6 +21,7 @@
   je $
   mov ecx, 0x500000
   mov cr3, ecx
+  push ebp
   call onException
   mov eax, [temporaryESP]
   mov esp, eax
diff --git a/src/kernel/interrupts/interrupts.c b/src/kernel/interrupts/interrupts.c
index 8ce4e9c..19513ba 100644
--- a/src/kernel/interrupts/interrupts.c
+++ b/src/kernel/interrupts/interrupts.c
@@ -25,15 +25,19 @@
 void onInterrupt(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
                  uint32_t intNo) {
     foreach (interruptSubscriptions[intNo], ServiceFunction *, provider,
-             { scheduleFunction(provider, intNo, 0, 0, NULL); })
+             { scheduleFunction(provider, NULL, intNo); })
         ;
 }
 
-void onException(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
-                 uint32_t intNo) {
+void onException(void *ebp, void *cr3, uint32_t d, uint32_t c, uint32_t b,
+                 uint32_t a, uint32_t intNo, uint32_t errorCode, uint32_t eip) {
     foreach (interruptSubscriptions[0], ServiceFunction *, provider, {
-        scheduleFunction(provider, intNo, 0,
-                         ((Service *)currentSyscall->service)->nameHash, NULL);
+        scheduleFunction(
+            provider, NULL, intNo, errorCode, eip,
+            U32(getPhysicalAddress(
+                ((Service *)currentSyscall->service)->pagingInfo.pageDirectory,
+                ebp)),
+            ((Service *)currentSyscall->service)->nameHash);
     })
 }
 
diff --git a/src/kernel/main.c b/src/kernel/main.c
index dd53e59..2d69c20 100644
--- a/src/kernel/main.c
+++ b/src/kernel/main.c
@@ -25,7 +25,7 @@
 Service *loadProgram(char *name, Syscall *respondingTo) {
     Service *service = readInitrdProgram(name);
     ServiceFunction *provider = findFunction(service, "main");
-    scheduleFunction(provider, 0, 0, 0, respondingTo);
+    scheduleFunction(provider, respondingTo);
     return service;
 }
 
diff --git a/src/kernel/service/events.c b/src/kernel/service/events.c
index 6e9f2f3..35f5827 100644
--- a/src/kernel/service/events.c
+++ b/src/kernel/service/events.c
@@ -13,9 +13,9 @@
     return event;
 }
 
-void fireEvent(Event *event, uint32_t data1) {
+void fireEvent(Event *event, uint32_t data) {
     foreach (event->subscriptions, ServiceFunction *, function,
-             { scheduleFunction(function, data1, 0, 0, 0); })
+             { scheduleFunction(function, NULL, data); })
         ;
 }
 
diff --git a/src/kernel/service/memorySyscalls.c b/src/kernel/service/memorySyscalls.c
index a52ec08..1711cb4 100644
--- a/src/kernel/service/memorySyscalls.c
+++ b/src/kernel/service/memorySyscalls.c
@@ -30,5 +30,5 @@
                     ADDRESS(virtualStart + i), true);
         }
     }
-    call->returnValue = U32(ADDRESS(virtualStart));
+    call->returnValue = U32(ADDRESS(virtualStart)) + (U32(physical) & 0xFFF);
 }

diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));
diff --git a/src/kernel/include/service.h b/src/kernel/include/service.h
index 617e50c..46da745 100644
--- a/src/kernel/include/service.h
+++ b/src/kernel/include/service.h
@@ -35,9 +35,8 @@
 extern Service *findService(char *);
 extern ServiceFunction *findFunction(Service *, char *);
 extern Service *currentService;
-extern void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                             uintptr_t data2, uintptr_t data3,
-                             Syscall *respondingTo);
+extern void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo,
+                             ...);
 extern void fireEvent(Event *event, uint32_t data1);
 extern void installKernelEvents();
 
diff --git a/src/kernel/include/util.h b/src/kernel/include/util.h
index 2fc4417..ecf13b0 100644
--- a/src/kernel/include/util.h
+++ b/src/kernel/include/util.h
@@ -10,6 +10,7 @@
 #define NULL PTR(0)
 
 #define MIN(x, y) (x < y ? x : y)
+#define MAX(x, y) (x < y ? y : x)
 
 #define PAGE_COUNT(x) (((x - 1) / 4096) + 1)
 #define BITS(x) (sizeof(x) * 8)
diff --git a/src/kernel/interrupts/interruptDescriptors.asm b/src/kernel/interrupts/interruptDescriptors.asm
index 1b80dc9..9e22836 100644
--- a/src/kernel/interrupts/interruptDescriptors.asm
+++ b/src/kernel/interrupts/interruptDescriptors.asm
@@ -21,6 +21,7 @@
   je $
   mov ecx, 0x500000
   mov cr3, ecx
+  push ebp
   call onException
   mov eax, [temporaryESP]
   mov esp, eax
diff --git a/src/kernel/interrupts/interrupts.c b/src/kernel/interrupts/interrupts.c
index 8ce4e9c..19513ba 100644
--- a/src/kernel/interrupts/interrupts.c
+++ b/src/kernel/interrupts/interrupts.c
@@ -25,15 +25,19 @@
 void onInterrupt(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
                  uint32_t intNo) {
     foreach (interruptSubscriptions[intNo], ServiceFunction *, provider,
-             { scheduleFunction(provider, intNo, 0, 0, NULL); })
+             { scheduleFunction(provider, NULL, intNo); })
         ;
 }
 
-void onException(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
-                 uint32_t intNo) {
+void onException(void *ebp, void *cr3, uint32_t d, uint32_t c, uint32_t b,
+                 uint32_t a, uint32_t intNo, uint32_t errorCode, uint32_t eip) {
     foreach (interruptSubscriptions[0], ServiceFunction *, provider, {
-        scheduleFunction(provider, intNo, 0,
-                         ((Service *)currentSyscall->service)->nameHash, NULL);
+        scheduleFunction(
+            provider, NULL, intNo, errorCode, eip,
+            U32(getPhysicalAddress(
+                ((Service *)currentSyscall->service)->pagingInfo.pageDirectory,
+                ebp)),
+            ((Service *)currentSyscall->service)->nameHash);
     })
 }
 
diff --git a/src/kernel/main.c b/src/kernel/main.c
index dd53e59..2d69c20 100644
--- a/src/kernel/main.c
+++ b/src/kernel/main.c
@@ -25,7 +25,7 @@
 Service *loadProgram(char *name, Syscall *respondingTo) {
     Service *service = readInitrdProgram(name);
     ServiceFunction *provider = findFunction(service, "main");
-    scheduleFunction(provider, 0, 0, 0, respondingTo);
+    scheduleFunction(provider, respondingTo);
     return service;
 }
 
diff --git a/src/kernel/service/events.c b/src/kernel/service/events.c
index 6e9f2f3..35f5827 100644
--- a/src/kernel/service/events.c
+++ b/src/kernel/service/events.c
@@ -13,9 +13,9 @@
     return event;
 }
 
-void fireEvent(Event *event, uint32_t data1) {
+void fireEvent(Event *event, uint32_t data) {
     foreach (event->subscriptions, ServiceFunction *, function,
-             { scheduleFunction(function, data1, 0, 0, 0); })
+             { scheduleFunction(function, NULL, data); })
         ;
 }
 
diff --git a/src/kernel/service/memorySyscalls.c b/src/kernel/service/memorySyscalls.c
index a52ec08..1711cb4 100644
--- a/src/kernel/service/memorySyscalls.c
+++ b/src/kernel/service/memorySyscalls.c
@@ -30,5 +30,5 @@
                     ADDRESS(virtualStart + i), true);
         }
     }
-    call->returnValue = U32(ADDRESS(virtualStart));
+    call->returnValue = U32(ADDRESS(virtualStart)) + (U32(physical) & 0xFFF);
 }
diff --git a/src/kernel/service/service.asm b/src/kernel/service/service.asm
index 8ec8d44..8584d61 100644
--- a/src/kernel/service/service.asm
+++ b/src/kernel/service/service.asm
@@ -19,6 +19,7 @@
   mov ebx, [ebx + 20]
   mov cr3, eax
   mov eax, ebx
+  xor ebp, ebp
   sti
   sysexit
 runEnd:

diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));
diff --git a/src/kernel/include/service.h b/src/kernel/include/service.h
index 617e50c..46da745 100644
--- a/src/kernel/include/service.h
+++ b/src/kernel/include/service.h
@@ -35,9 +35,8 @@
 extern Service *findService(char *);
 extern ServiceFunction *findFunction(Service *, char *);
 extern Service *currentService;
-extern void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                             uintptr_t data2, uintptr_t data3,
-                             Syscall *respondingTo);
+extern void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo,
+                             ...);
 extern void fireEvent(Event *event, uint32_t data1);
 extern void installKernelEvents();
 
diff --git a/src/kernel/include/util.h b/src/kernel/include/util.h
index 2fc4417..ecf13b0 100644
--- a/src/kernel/include/util.h
+++ b/src/kernel/include/util.h
@@ -10,6 +10,7 @@
 #define NULL PTR(0)
 
 #define MIN(x, y) (x < y ? x : y)
+#define MAX(x, y) (x < y ? y : x)
 
 #define PAGE_COUNT(x) (((x - 1) / 4096) + 1)
 #define BITS(x) (sizeof(x) * 8)
diff --git a/src/kernel/interrupts/interruptDescriptors.asm b/src/kernel/interrupts/interruptDescriptors.asm
index 1b80dc9..9e22836 100644
--- a/src/kernel/interrupts/interruptDescriptors.asm
+++ b/src/kernel/interrupts/interruptDescriptors.asm
@@ -21,6 +21,7 @@
   je $
   mov ecx, 0x500000
   mov cr3, ecx
+  push ebp
   call onException
   mov eax, [temporaryESP]
   mov esp, eax
diff --git a/src/kernel/interrupts/interrupts.c b/src/kernel/interrupts/interrupts.c
index 8ce4e9c..19513ba 100644
--- a/src/kernel/interrupts/interrupts.c
+++ b/src/kernel/interrupts/interrupts.c
@@ -25,15 +25,19 @@
 void onInterrupt(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
                  uint32_t intNo) {
     foreach (interruptSubscriptions[intNo], ServiceFunction *, provider,
-             { scheduleFunction(provider, intNo, 0, 0, NULL); })
+             { scheduleFunction(provider, NULL, intNo); })
         ;
 }
 
-void onException(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
-                 uint32_t intNo) {
+void onException(void *ebp, void *cr3, uint32_t d, uint32_t c, uint32_t b,
+                 uint32_t a, uint32_t intNo, uint32_t errorCode, uint32_t eip) {
     foreach (interruptSubscriptions[0], ServiceFunction *, provider, {
-        scheduleFunction(provider, intNo, 0,
-                         ((Service *)currentSyscall->service)->nameHash, NULL);
+        scheduleFunction(
+            provider, NULL, intNo, errorCode, eip,
+            U32(getPhysicalAddress(
+                ((Service *)currentSyscall->service)->pagingInfo.pageDirectory,
+                ebp)),
+            ((Service *)currentSyscall->service)->nameHash);
     })
 }
 
diff --git a/src/kernel/main.c b/src/kernel/main.c
index dd53e59..2d69c20 100644
--- a/src/kernel/main.c
+++ b/src/kernel/main.c
@@ -25,7 +25,7 @@
 Service *loadProgram(char *name, Syscall *respondingTo) {
     Service *service = readInitrdProgram(name);
     ServiceFunction *provider = findFunction(service, "main");
-    scheduleFunction(provider, 0, 0, 0, respondingTo);
+    scheduleFunction(provider, respondingTo);
     return service;
 }
 
diff --git a/src/kernel/service/events.c b/src/kernel/service/events.c
index 6e9f2f3..35f5827 100644
--- a/src/kernel/service/events.c
+++ b/src/kernel/service/events.c
@@ -13,9 +13,9 @@
     return event;
 }
 
-void fireEvent(Event *event, uint32_t data1) {
+void fireEvent(Event *event, uint32_t data) {
     foreach (event->subscriptions, ServiceFunction *, function,
-             { scheduleFunction(function, data1, 0, 0, 0); })
+             { scheduleFunction(function, NULL, data); })
         ;
 }
 
diff --git a/src/kernel/service/memorySyscalls.c b/src/kernel/service/memorySyscalls.c
index a52ec08..1711cb4 100644
--- a/src/kernel/service/memorySyscalls.c
+++ b/src/kernel/service/memorySyscalls.c
@@ -30,5 +30,5 @@
                     ADDRESS(virtualStart + i), true);
         }
     }
-    call->returnValue = U32(ADDRESS(virtualStart));
+    call->returnValue = U32(ADDRESS(virtualStart)) + (U32(physical) & 0xFFF);
 }
diff --git a/src/kernel/service/service.asm b/src/kernel/service/service.asm
index 8ec8d44..8584d61 100644
--- a/src/kernel/service/service.asm
+++ b/src/kernel/service/service.asm
@@ -19,6 +19,7 @@
   mov ebx, [ebx + 20]
   mov cr3, eax
   mov eax, ebx
+  xor ebp, ebp
   sti
   sysexit
 runEnd:
diff --git a/src/kernel/service/service.c b/src/kernel/service/service.c
index f4923a0..6903d7a 100644
--- a/src/kernel/service/service.c
+++ b/src/kernel/service/service.c
@@ -2,6 +2,7 @@
 #include "elf.h"
 #include <memory.h>
 #include <service.h>
+#include <stdarg.h>
 #include <stringmap.h>
 #include <util.h>
 
@@ -92,8 +93,15 @@
     return NULL;
 }
 
-void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                      uintptr_t data2, uintptr_t data3, Syscall *respondingTo) {
+void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo, ...) {
+    va_list valist;
+    va_start(valist, respondingTo);
+    uint32_t parameterCount = 0;
+    while (va_arg(valist, uint32_t) || parameterCount <= 3) {
+        parameterCount++;
+    }
+    va_start(valist, respondingTo);
+
     Syscall *runCall = malloc(sizeof(Syscall));
     runCall->function = 0;
     runCall->esp = malloc(0x1000); // todo: free this
@@ -103,11 +111,11 @@
     runCall->service = provider->service;
     runCall->resume = true;
     sharePage(&provider->service->pagingInfo, runCall->esp, runCall->esp);
-    runCall->esp += 0x1000 - 0x20;
+    runCall->esp += 0x1000 - 0x10 - (parameterCount * 0x4);
     *(void **)runCall->esp = provider->address;
     *(void **)(runCall->esp + 0x4) = &runEnd;
-    *(uint32_t *)(runCall->esp + 0x8) = data1;
-    *(uint32_t *)(runCall->esp + 0xC) = data2;
-    *(uint32_t *)(runCall->esp + 0x10) = data3;
+    for (uint32_t i = 0; i < parameterCount; i++) {
+        *(uint32_t *)(runCall->esp + 0x8 + 4 * i) = va_arg(valist, uint32_t);
+    }
     listAdd(&callsToProcess, runCall);
 }

diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));
diff --git a/src/kernel/include/service.h b/src/kernel/include/service.h
index 617e50c..46da745 100644
--- a/src/kernel/include/service.h
+++ b/src/kernel/include/service.h
@@ -35,9 +35,8 @@
 extern Service *findService(char *);
 extern ServiceFunction *findFunction(Service *, char *);
 extern Service *currentService;
-extern void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                             uintptr_t data2, uintptr_t data3,
-                             Syscall *respondingTo);
+extern void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo,
+                             ...);
 extern void fireEvent(Event *event, uint32_t data1);
 extern void installKernelEvents();
 
diff --git a/src/kernel/include/util.h b/src/kernel/include/util.h
index 2fc4417..ecf13b0 100644
--- a/src/kernel/include/util.h
+++ b/src/kernel/include/util.h
@@ -10,6 +10,7 @@
 #define NULL PTR(0)
 
 #define MIN(x, y) (x < y ? x : y)
+#define MAX(x, y) (x < y ? y : x)
 
 #define PAGE_COUNT(x) (((x - 1) / 4096) + 1)
 #define BITS(x) (sizeof(x) * 8)
diff --git a/src/kernel/interrupts/interruptDescriptors.asm b/src/kernel/interrupts/interruptDescriptors.asm
index 1b80dc9..9e22836 100644
--- a/src/kernel/interrupts/interruptDescriptors.asm
+++ b/src/kernel/interrupts/interruptDescriptors.asm
@@ -21,6 +21,7 @@
   je $
   mov ecx, 0x500000
   mov cr3, ecx
+  push ebp
   call onException
   mov eax, [temporaryESP]
   mov esp, eax
diff --git a/src/kernel/interrupts/interrupts.c b/src/kernel/interrupts/interrupts.c
index 8ce4e9c..19513ba 100644
--- a/src/kernel/interrupts/interrupts.c
+++ b/src/kernel/interrupts/interrupts.c
@@ -25,15 +25,19 @@
 void onInterrupt(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
                  uint32_t intNo) {
     foreach (interruptSubscriptions[intNo], ServiceFunction *, provider,
-             { scheduleFunction(provider, intNo, 0, 0, NULL); })
+             { scheduleFunction(provider, NULL, intNo); })
         ;
 }
 
-void onException(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
-                 uint32_t intNo) {
+void onException(void *ebp, void *cr3, uint32_t d, uint32_t c, uint32_t b,
+                 uint32_t a, uint32_t intNo, uint32_t errorCode, uint32_t eip) {
     foreach (interruptSubscriptions[0], ServiceFunction *, provider, {
-        scheduleFunction(provider, intNo, 0,
-                         ((Service *)currentSyscall->service)->nameHash, NULL);
+        scheduleFunction(
+            provider, NULL, intNo, errorCode, eip,
+            U32(getPhysicalAddress(
+                ((Service *)currentSyscall->service)->pagingInfo.pageDirectory,
+                ebp)),
+            ((Service *)currentSyscall->service)->nameHash);
     })
 }
 
diff --git a/src/kernel/main.c b/src/kernel/main.c
index dd53e59..2d69c20 100644
--- a/src/kernel/main.c
+++ b/src/kernel/main.c
@@ -25,7 +25,7 @@
 Service *loadProgram(char *name, Syscall *respondingTo) {
     Service *service = readInitrdProgram(name);
     ServiceFunction *provider = findFunction(service, "main");
-    scheduleFunction(provider, 0, 0, 0, respondingTo);
+    scheduleFunction(provider, respondingTo);
     return service;
 }
 
diff --git a/src/kernel/service/events.c b/src/kernel/service/events.c
index 6e9f2f3..35f5827 100644
--- a/src/kernel/service/events.c
+++ b/src/kernel/service/events.c
@@ -13,9 +13,9 @@
     return event;
 }
 
-void fireEvent(Event *event, uint32_t data1) {
+void fireEvent(Event *event, uint32_t data) {
     foreach (event->subscriptions, ServiceFunction *, function,
-             { scheduleFunction(function, data1, 0, 0, 0); })
+             { scheduleFunction(function, NULL, data); })
         ;
 }
 
diff --git a/src/kernel/service/memorySyscalls.c b/src/kernel/service/memorySyscalls.c
index a52ec08..1711cb4 100644
--- a/src/kernel/service/memorySyscalls.c
+++ b/src/kernel/service/memorySyscalls.c
@@ -30,5 +30,5 @@
                     ADDRESS(virtualStart + i), true);
         }
     }
-    call->returnValue = U32(ADDRESS(virtualStart));
+    call->returnValue = U32(ADDRESS(virtualStart)) + (U32(physical) & 0xFFF);
 }
diff --git a/src/kernel/service/service.asm b/src/kernel/service/service.asm
index 8ec8d44..8584d61 100644
--- a/src/kernel/service/service.asm
+++ b/src/kernel/service/service.asm
@@ -19,6 +19,7 @@
   mov ebx, [ebx + 20]
   mov cr3, eax
   mov eax, ebx
+  xor ebp, ebp
   sti
   sysexit
 runEnd:
diff --git a/src/kernel/service/service.c b/src/kernel/service/service.c
index f4923a0..6903d7a 100644
--- a/src/kernel/service/service.c
+++ b/src/kernel/service/service.c
@@ -2,6 +2,7 @@
 #include "elf.h"
 #include <memory.h>
 #include <service.h>
+#include <stdarg.h>
 #include <stringmap.h>
 #include <util.h>
 
@@ -92,8 +93,15 @@
     return NULL;
 }
 
-void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                      uintptr_t data2, uintptr_t data3, Syscall *respondingTo) {
+void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo, ...) {
+    va_list valist;
+    va_start(valist, respondingTo);
+    uint32_t parameterCount = 0;
+    while (va_arg(valist, uint32_t) || parameterCount <= 3) {
+        parameterCount++;
+    }
+    va_start(valist, respondingTo);
+
     Syscall *runCall = malloc(sizeof(Syscall));
     runCall->function = 0;
     runCall->esp = malloc(0x1000); // todo: free this
@@ -103,11 +111,11 @@
     runCall->service = provider->service;
     runCall->resume = true;
     sharePage(&provider->service->pagingInfo, runCall->esp, runCall->esp);
-    runCall->esp += 0x1000 - 0x20;
+    runCall->esp += 0x1000 - 0x10 - (parameterCount * 0x4);
     *(void **)runCall->esp = provider->address;
     *(void **)(runCall->esp + 0x4) = &runEnd;
-    *(uint32_t *)(runCall->esp + 0x8) = data1;
-    *(uint32_t *)(runCall->esp + 0xC) = data2;
-    *(uint32_t *)(runCall->esp + 0x10) = data3;
+    for (uint32_t i = 0; i < parameterCount; i++) {
+        *(uint32_t *)(runCall->esp + 0x8 + 4 * i) = va_arg(valist, uint32_t);
+    }
     listAdd(&callsToProcess, runCall);
 }
diff --git a/src/kernel/service/serviceSyscalls.c b/src/kernel/service/serviceSyscalls.c
index 803e1be..1e4c4c6 100644
--- a/src/kernel/service/serviceSyscalls.c
+++ b/src/kernel/service/serviceSyscalls.c
@@ -68,7 +68,7 @@
     Service *providerService = listGet(services, call->parameters[0]);
     ServiceFunction *function =
         listGet(providerService->functions, call->parameters[1]);
-    scheduleFunction(function, call->parameters[2], call->parameters[3],
-                     service->nameHash, call);
+    scheduleFunction(function, call, call->parameters[2], call->parameters[3],
+                     service->nameHash);
     call->avoidReschedule = true;
 }

diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));
diff --git a/src/kernel/include/service.h b/src/kernel/include/service.h
index 617e50c..46da745 100644
--- a/src/kernel/include/service.h
+++ b/src/kernel/include/service.h
@@ -35,9 +35,8 @@
 extern Service *findService(char *);
 extern ServiceFunction *findFunction(Service *, char *);
 extern Service *currentService;
-extern void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                             uintptr_t data2, uintptr_t data3,
-                             Syscall *respondingTo);
+extern void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo,
+                             ...);
 extern void fireEvent(Event *event, uint32_t data1);
 extern void installKernelEvents();
 
diff --git a/src/kernel/include/util.h b/src/kernel/include/util.h
index 2fc4417..ecf13b0 100644
--- a/src/kernel/include/util.h
+++ b/src/kernel/include/util.h
@@ -10,6 +10,7 @@
 #define NULL PTR(0)
 
 #define MIN(x, y) (x < y ? x : y)
+#define MAX(x, y) (x < y ? y : x)
 
 #define PAGE_COUNT(x) (((x - 1) / 4096) + 1)
 #define BITS(x) (sizeof(x) * 8)
diff --git a/src/kernel/interrupts/interruptDescriptors.asm b/src/kernel/interrupts/interruptDescriptors.asm
index 1b80dc9..9e22836 100644
--- a/src/kernel/interrupts/interruptDescriptors.asm
+++ b/src/kernel/interrupts/interruptDescriptors.asm
@@ -21,6 +21,7 @@
   je $
   mov ecx, 0x500000
   mov cr3, ecx
+  push ebp
   call onException
   mov eax, [temporaryESP]
   mov esp, eax
diff --git a/src/kernel/interrupts/interrupts.c b/src/kernel/interrupts/interrupts.c
index 8ce4e9c..19513ba 100644
--- a/src/kernel/interrupts/interrupts.c
+++ b/src/kernel/interrupts/interrupts.c
@@ -25,15 +25,19 @@
 void onInterrupt(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
                  uint32_t intNo) {
     foreach (interruptSubscriptions[intNo], ServiceFunction *, provider,
-             { scheduleFunction(provider, intNo, 0, 0, NULL); })
+             { scheduleFunction(provider, NULL, intNo); })
         ;
 }
 
-void onException(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
-                 uint32_t intNo) {
+void onException(void *ebp, void *cr3, uint32_t d, uint32_t c, uint32_t b,
+                 uint32_t a, uint32_t intNo, uint32_t errorCode, uint32_t eip) {
     foreach (interruptSubscriptions[0], ServiceFunction *, provider, {
-        scheduleFunction(provider, intNo, 0,
-                         ((Service *)currentSyscall->service)->nameHash, NULL);
+        scheduleFunction(
+            provider, NULL, intNo, errorCode, eip,
+            U32(getPhysicalAddress(
+                ((Service *)currentSyscall->service)->pagingInfo.pageDirectory,
+                ebp)),
+            ((Service *)currentSyscall->service)->nameHash);
     })
 }
 
diff --git a/src/kernel/main.c b/src/kernel/main.c
index dd53e59..2d69c20 100644
--- a/src/kernel/main.c
+++ b/src/kernel/main.c
@@ -25,7 +25,7 @@
 Service *loadProgram(char *name, Syscall *respondingTo) {
     Service *service = readInitrdProgram(name);
     ServiceFunction *provider = findFunction(service, "main");
-    scheduleFunction(provider, 0, 0, 0, respondingTo);
+    scheduleFunction(provider, respondingTo);
     return service;
 }
 
diff --git a/src/kernel/service/events.c b/src/kernel/service/events.c
index 6e9f2f3..35f5827 100644
--- a/src/kernel/service/events.c
+++ b/src/kernel/service/events.c
@@ -13,9 +13,9 @@
     return event;
 }
 
-void fireEvent(Event *event, uint32_t data1) {
+void fireEvent(Event *event, uint32_t data) {
     foreach (event->subscriptions, ServiceFunction *, function,
-             { scheduleFunction(function, data1, 0, 0, 0); })
+             { scheduleFunction(function, NULL, data); })
         ;
 }
 
diff --git a/src/kernel/service/memorySyscalls.c b/src/kernel/service/memorySyscalls.c
index a52ec08..1711cb4 100644
--- a/src/kernel/service/memorySyscalls.c
+++ b/src/kernel/service/memorySyscalls.c
@@ -30,5 +30,5 @@
                     ADDRESS(virtualStart + i), true);
         }
     }
-    call->returnValue = U32(ADDRESS(virtualStart));
+    call->returnValue = U32(ADDRESS(virtualStart)) + (U32(physical) & 0xFFF);
 }
diff --git a/src/kernel/service/service.asm b/src/kernel/service/service.asm
index 8ec8d44..8584d61 100644
--- a/src/kernel/service/service.asm
+++ b/src/kernel/service/service.asm
@@ -19,6 +19,7 @@
   mov ebx, [ebx + 20]
   mov cr3, eax
   mov eax, ebx
+  xor ebp, ebp
   sti
   sysexit
 runEnd:
diff --git a/src/kernel/service/service.c b/src/kernel/service/service.c
index f4923a0..6903d7a 100644
--- a/src/kernel/service/service.c
+++ b/src/kernel/service/service.c
@@ -2,6 +2,7 @@
 #include "elf.h"
 #include <memory.h>
 #include <service.h>
+#include <stdarg.h>
 #include <stringmap.h>
 #include <util.h>
 
@@ -92,8 +93,15 @@
     return NULL;
 }
 
-void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                      uintptr_t data2, uintptr_t data3, Syscall *respondingTo) {
+void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo, ...) {
+    va_list valist;
+    va_start(valist, respondingTo);
+    uint32_t parameterCount = 0;
+    while (va_arg(valist, uint32_t) || parameterCount <= 3) {
+        parameterCount++;
+    }
+    va_start(valist, respondingTo);
+
     Syscall *runCall = malloc(sizeof(Syscall));
     runCall->function = 0;
     runCall->esp = malloc(0x1000); // todo: free this
@@ -103,11 +111,11 @@
     runCall->service = provider->service;
     runCall->resume = true;
     sharePage(&provider->service->pagingInfo, runCall->esp, runCall->esp);
-    runCall->esp += 0x1000 - 0x20;
+    runCall->esp += 0x1000 - 0x10 - (parameterCount * 0x4);
     *(void **)runCall->esp = provider->address;
     *(void **)(runCall->esp + 0x4) = &runEnd;
-    *(uint32_t *)(runCall->esp + 0x8) = data1;
-    *(uint32_t *)(runCall->esp + 0xC) = data2;
-    *(uint32_t *)(runCall->esp + 0x10) = data3;
+    for (uint32_t i = 0; i < parameterCount; i++) {
+        *(uint32_t *)(runCall->esp + 0x8 + 4 * i) = va_arg(valist, uint32_t);
+    }
     listAdd(&callsToProcess, runCall);
 }
diff --git a/src/kernel/service/serviceSyscalls.c b/src/kernel/service/serviceSyscalls.c
index 803e1be..1e4c4c6 100644
--- a/src/kernel/service/serviceSyscalls.c
+++ b/src/kernel/service/serviceSyscalls.c
@@ -68,7 +68,7 @@
     Service *providerService = listGet(services, call->parameters[0]);
     ServiceFunction *function =
         listGet(providerService->functions, call->parameters[1]);
-    scheduleFunction(function, call->parameters[2], call->parameters[3],
-                     service->nameHash, call);
+    scheduleFunction(function, call, call->parameters[2], call->parameters[3],
+                     service->nameHash);
     call->avoidReschedule = true;
 }
diff --git a/src/userland/crashTest/main.c b/src/userland/crashTest/main.c
index ae7b506..5537ed1 100644
--- a/src/userland/crashTest/main.c
+++ b/src/userland/crashTest/main.c
@@ -3,8 +3,10 @@
 #include <hlib.h>
 #include <stdint.h>
 
+void testFunction() { printf("0/0 = %i", 0 / 0); }
+
 int32_t main() {
     printf("trying to divide by zero now . . . ");
-    printf("0/0 = %i", 0 / 0);
+    testFunction();
     return 0;
 }

diff --git a/src/include/hlib.h b/src/include/hlib.h
index 7060fc5..b6f9631 100644
--- a/src/include/hlib.h
+++ b/src/include/hlib.h
@@ -9,6 +9,10 @@
 #define PTR(x) ((void *)(uintptr_t)(x))
 #define U32(x) ((uint32_t)(uintptr_t)(x))
 
+#define ADDRESS(pageId) PTR((pageId) << 12)
+#define PAGE_ID(address) (U32(address) >> 12)
+#define PAGE_OFFSET(address) (U32(address) & 0xFFF)
+
 #define NULL PTR(0)
 
 extern uint32_t createFunction(char *name, int32_t(handler)(void *, uint32_t));
diff --git a/src/kernel/include/service.h b/src/kernel/include/service.h
index 617e50c..46da745 100644
--- a/src/kernel/include/service.h
+++ b/src/kernel/include/service.h
@@ -35,9 +35,8 @@
 extern Service *findService(char *);
 extern ServiceFunction *findFunction(Service *, char *);
 extern Service *currentService;
-extern void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                             uintptr_t data2, uintptr_t data3,
-                             Syscall *respondingTo);
+extern void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo,
+                             ...);
 extern void fireEvent(Event *event, uint32_t data1);
 extern void installKernelEvents();
 
diff --git a/src/kernel/include/util.h b/src/kernel/include/util.h
index 2fc4417..ecf13b0 100644
--- a/src/kernel/include/util.h
+++ b/src/kernel/include/util.h
@@ -10,6 +10,7 @@
 #define NULL PTR(0)
 
 #define MIN(x, y) (x < y ? x : y)
+#define MAX(x, y) (x < y ? y : x)
 
 #define PAGE_COUNT(x) (((x - 1) / 4096) + 1)
 #define BITS(x) (sizeof(x) * 8)
diff --git a/src/kernel/interrupts/interruptDescriptors.asm b/src/kernel/interrupts/interruptDescriptors.asm
index 1b80dc9..9e22836 100644
--- a/src/kernel/interrupts/interruptDescriptors.asm
+++ b/src/kernel/interrupts/interruptDescriptors.asm
@@ -21,6 +21,7 @@
   je $
   mov ecx, 0x500000
   mov cr3, ecx
+  push ebp
   call onException
   mov eax, [temporaryESP]
   mov esp, eax
diff --git a/src/kernel/interrupts/interrupts.c b/src/kernel/interrupts/interrupts.c
index 8ce4e9c..19513ba 100644
--- a/src/kernel/interrupts/interrupts.c
+++ b/src/kernel/interrupts/interrupts.c
@@ -25,15 +25,19 @@
 void onInterrupt(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
                  uint32_t intNo) {
     foreach (interruptSubscriptions[intNo], ServiceFunction *, provider,
-             { scheduleFunction(provider, intNo, 0, 0, NULL); })
+             { scheduleFunction(provider, NULL, intNo); })
         ;
 }
 
-void onException(void *cr3, uint32_t d, uint32_t c, uint32_t b, uint32_t a,
-                 uint32_t intNo) {
+void onException(void *ebp, void *cr3, uint32_t d, uint32_t c, uint32_t b,
+                 uint32_t a, uint32_t intNo, uint32_t errorCode, uint32_t eip) {
     foreach (interruptSubscriptions[0], ServiceFunction *, provider, {
-        scheduleFunction(provider, intNo, 0,
-                         ((Service *)currentSyscall->service)->nameHash, NULL);
+        scheduleFunction(
+            provider, NULL, intNo, errorCode, eip,
+            U32(getPhysicalAddress(
+                ((Service *)currentSyscall->service)->pagingInfo.pageDirectory,
+                ebp)),
+            ((Service *)currentSyscall->service)->nameHash);
     })
 }
 
diff --git a/src/kernel/main.c b/src/kernel/main.c
index dd53e59..2d69c20 100644
--- a/src/kernel/main.c
+++ b/src/kernel/main.c
@@ -25,7 +25,7 @@
 Service *loadProgram(char *name, Syscall *respondingTo) {
     Service *service = readInitrdProgram(name);
     ServiceFunction *provider = findFunction(service, "main");
-    scheduleFunction(provider, 0, 0, 0, respondingTo);
+    scheduleFunction(provider, respondingTo);
     return service;
 }
 
diff --git a/src/kernel/service/events.c b/src/kernel/service/events.c
index 6e9f2f3..35f5827 100644
--- a/src/kernel/service/events.c
+++ b/src/kernel/service/events.c
@@ -13,9 +13,9 @@
     return event;
 }
 
-void fireEvent(Event *event, uint32_t data1) {
+void fireEvent(Event *event, uint32_t data) {
     foreach (event->subscriptions, ServiceFunction *, function,
-             { scheduleFunction(function, data1, 0, 0, 0); })
+             { scheduleFunction(function, NULL, data); })
         ;
 }
 
diff --git a/src/kernel/service/memorySyscalls.c b/src/kernel/service/memorySyscalls.c
index a52ec08..1711cb4 100644
--- a/src/kernel/service/memorySyscalls.c
+++ b/src/kernel/service/memorySyscalls.c
@@ -30,5 +30,5 @@
                     ADDRESS(virtualStart + i), true);
         }
     }
-    call->returnValue = U32(ADDRESS(virtualStart));
+    call->returnValue = U32(ADDRESS(virtualStart)) + (U32(physical) & 0xFFF);
 }
diff --git a/src/kernel/service/service.asm b/src/kernel/service/service.asm
index 8ec8d44..8584d61 100644
--- a/src/kernel/service/service.asm
+++ b/src/kernel/service/service.asm
@@ -19,6 +19,7 @@
   mov ebx, [ebx + 20]
   mov cr3, eax
   mov eax, ebx
+  xor ebp, ebp
   sti
   sysexit
 runEnd:
diff --git a/src/kernel/service/service.c b/src/kernel/service/service.c
index f4923a0..6903d7a 100644
--- a/src/kernel/service/service.c
+++ b/src/kernel/service/service.c
@@ -2,6 +2,7 @@
 #include "elf.h"
 #include <memory.h>
 #include <service.h>
+#include <stdarg.h>
 #include <stringmap.h>
 #include <util.h>
 
@@ -92,8 +93,15 @@
     return NULL;
 }
 
-void scheduleFunction(ServiceFunction *provider, uintptr_t data1,
-                      uintptr_t data2, uintptr_t data3, Syscall *respondingTo) {
+void scheduleFunction(ServiceFunction *provider, Syscall *respondingTo, ...) {
+    va_list valist;
+    va_start(valist, respondingTo);
+    uint32_t parameterCount = 0;
+    while (va_arg(valist, uint32_t) || parameterCount <= 3) {
+        parameterCount++;
+    }
+    va_start(valist, respondingTo);
+
     Syscall *runCall = malloc(sizeof(Syscall));
     runCall->function = 0;
     runCall->esp = malloc(0x1000); // todo: free this
@@ -103,11 +111,11 @@
     runCall->service = provider->service;
     runCall->resume = true;
     sharePage(&provider->service->pagingInfo, runCall->esp, runCall->esp);
-    runCall->esp += 0x1000 - 0x20;
+    runCall->esp += 0x1000 - 0x10 - (parameterCount * 0x4);
     *(void **)runCall->esp = provider->address;
     *(void **)(runCall->esp + 0x4) = &runEnd;
-    *(uint32_t *)(runCall->esp + 0x8) = data1;
-    *(uint32_t *)(runCall->esp + 0xC) = data2;
-    *(uint32_t *)(runCall->esp + 0x10) = data3;
+    for (uint32_t i = 0; i < parameterCount; i++) {
+        *(uint32_t *)(runCall->esp + 0x8 + 4 * i) = va_arg(valist, uint32_t);
+    }
     listAdd(&callsToProcess, runCall);
 }
diff --git a/src/kernel/service/serviceSyscalls.c b/src/kernel/service/serviceSyscalls.c
index 803e1be..1e4c4c6 100644
--- a/src/kernel/service/serviceSyscalls.c
+++ b/src/kernel/service/serviceSyscalls.c
@@ -68,7 +68,7 @@
     Service *providerService = listGet(services, call->parameters[0]);
     ServiceFunction *function =
         listGet(providerService->functions, call->parameters[1]);
-    scheduleFunction(function, call->parameters[2], call->parameters[3],
-                     service->nameHash, call);
+    scheduleFunction(function, call, call->parameters[2], call->parameters[3],
+                     service->nameHash);
     call->avoidReschedule = true;
 }
diff --git a/src/userland/crashTest/main.c b/src/userland/crashTest/main.c
index ae7b506..5537ed1 100644
--- a/src/userland/crashTest/main.c
+++ b/src/userland/crashTest/main.c
@@ -3,8 +3,10 @@
 #include <hlib.h>
 #include <stdint.h>
 
+void testFunction() { printf("0/0 = %i", 0 / 0); }
+
 int32_t main() {
     printf("trying to divide by zero now . . . ");
-    printf("0/0 = %i", 0 / 0);
+    testFunction();
     return 0;
 }
diff --git a/src/userland/log/main.c b/src/userland/log/main.c
index eb92e52..a8bf9eb 100644
--- a/src/userland/log/main.c
+++ b/src/userland/log/main.c
@@ -66,9 +66,24 @@
     printf("loading '%s' from initrd", buffer);
 }
 
-void onException(uint32_t intNo, uint32_t unused, uint32_t serviceName) {
+typedef struct StackFrame {
+    struct StackFrame *ebp;
+    void *eip;
+} StackFrame;
+
+void trace(void *address, uint32_t serviceId) { printf("0x%x", address); }
+
+void onException(uint32_t intNo, uint32_t errorCode, void *crashAddress,
+                 void *start, uint32_t serviceName, uint32_t serviceId) {
     readString(serviceName, buffer);
-    printf("service \"%s\" commited a %s", buffer, EXCEPTION_NAMES[intNo]);
+    printf("service \"%s\" encountered a %s. Stacktrace:", buffer,
+           EXCEPTION_NAMES[intNo]);
+    StackFrame *frame = requestMemory(1, NULL, start);
+    trace(crashAddress, serviceId);
+    while (frame->ebp) {
+        trace(frame->eip, serviceId);
+        frame = PAGE_OFFSET(frame->ebp) + ADDRESS(PAGE_ID(frame));
+    }
 }
 
 int32_t main() {