Started fleshing out the storage API

kernel/acpi/acpi.cpp

@@ -0,0 +1,35 @@
+#include "acpi.h"
+RSDPDescriptor* ACPI::rsd_ptr;
+RSDT* ACPI::rsd_table;
+
+
+
+void ACPI::initialize(){
+
+    // Find the Root System Description Pointer
+    ACPI::rsd_ptr = FindRSD();
+
+    // is it valid
+    int sum = 0;
+    for (int i =0; i < 20 ; i++) {
+        sum += ((char*)rsd_ptr)[i];
+    }
+
+    printf(" 0x%x sum\n", sum);
+    return;
+
+    //  Get the Root System Description Table
+    RSDT* rootSystemDescriptionTable =  getRSDT((RSDPDescriptor *) rsd_ptr);
+
+    auto tableHeader = &rootSystemDescriptionTable->h;
+
+    // do checksum
+    sum = 0;
+
+    for(int i = 0; i < tableHeader->Length; i ++) {
+        sum += ((char*) tableHeader)[i];
+    }
+
+    if( sum != 0)
+        printf("Table invalid!");
+}