Syscall interface starts being implemented !

1 files changed, 55 insertions, 0 deletions

diff --git a/Source/Kernel/SyscallManager/Res.ns.cpp b/Source/Kernel/SyscallManager/Res.ns.cpp
new file mode 100644
index 0000000..aceadf7
--- /dev/null
+++ b/Source/Kernel/SyscallManager/Res.ns.cpp
@@ -0,0 +1,55 @@
+#include "Res.ns.h"
+
+#include <VirtualTerminal.iface.h>
+#include <TaskManager/Task.ns.h>
+
+namespace Res {
+
+Ressource** ressources = 0;
+u32int size = 0;
+
+void expand() {	//Expands size of ressources array of 20 entries
+	size += 20;
+	Ressource** tmp = (Ressource**)Mem::kalloc(size * sizeof(Ressource*));
+	for (u32int i = 0; i < size; i++) {
+		if (i < size - 20) tmp[i] = ressources[i];
+		else tmp[i] = 0;
+	}
+	Mem::kfree(ressources);
+	ressources = tmp;
+}
+
+u32int registerRes(Ressource* r) {
+	if (ressources == 0 or size == 0) {
+		ressources = (Ressource**)Mem::kalloc(20 * sizeof(Ressource*)); 
+		size = 20;
+		for (u32int i = 0; i < 20; i++) ressources[i] = 0;
+	}
+	for (u32int i = 0; i < size; i++) {
+		if (ressources[i] == 0) {
+			ressources[i] = r;
+			return i;
+		}
+	}
+	expand();
+	return registerRes(r);
+}
+
+void unregisterRes(u32int id) {
+	ressources[id] = 0;
+}
+
+u32int call(u32int ressource, u8int wat, u32int a, u32int b, u32int c, u32int d, u32int e) {
+	if (ressource == 0xFFFFFE) {	//TODO : return ressource id for some stuff for current process
+		if (a == VT_IFACE_OBJTYPE) return Task::currProcess()->getVirtualTerminal()->resId();
+		return 0;
+	} else {
+		if (ressource > size or ressources[ressource] == 0) {
+			return (u32int) - 1;
+		} else {
+			return ressources[ressource]->doCall(wat, a, b, c, d, e);
+		}
+	}
+}
+
+}