diff --git a/generator/cper-generate.c b/generator/cper-generate.c
index 85d49cd..7e7cc40 100644
--- a/generator/cper-generate.c
+++ b/generator/cper-generate.c
@@ -112,7 +112,7 @@
     //Ensure the FRU text is not null terminated early.
     for (int i=0; i<20; i++)
     {
-        if (descriptor->FruString[i] = 0x0)
+        if (descriptor->FruString[i] == 0x0)
             descriptor->FruString[i] = rand() % 127 + 1;
 
         //Null terminate last byte.
diff --git a/generator/sections/gen-section-arm.c b/generator/sections/gen-section-arm.c
index 53fb24c..bce04c5 100644
--- a/generator/sections/gen-section-arm.c
+++ b/generator/sections/gen-section-arm.c
@@ -52,6 +52,10 @@
     *(section + 12) = rand() % 4;
 
     //Reserved zero bytes.
+    UINT64* validation = (UINT64*)section;
+    *validation &= 0b111;
+    UINT32* running_state = (UINT32*)(section + 32);
+    *running_state &= 0b1;
     memset(section + 13, 0, 3);
 
     //Copy in the sections/context structures, free resources.
@@ -87,6 +91,10 @@
     UINT8 error_type = rand() % 4;
     *(error_info + 4) = error_type;
 
+    //Reserved bits for error information.
+    UINT16* validation = (UINT16*)(error_info + 2);
+    *validation &= 0x1F;
+
     //Make sure reserved bits are zero according with the type.
     UINT64* error_subinfo = (UINT64*)(error_info + 8);
     switch (error_type)
diff --git a/generator/sections/gen-section-ia32x64.c b/generator/sections/gen-section-ia32x64.c
index 0f6f709..2fb6585 100644
--- a/generator/sections/gen-section-ia32x64.c
+++ b/generator/sections/gen-section-ia32x64.c
@@ -6,6 +6,7 @@
 
 #include <stdlib.h>
 #include <string.h>
+#include <stdio.h>
 #include "../../edk/Cper.h"
 #include "../gen-utils.h"
 #include "gen-sections.h"
@@ -114,7 +115,7 @@
             memcpy(guid, &gEfiIa32x64ErrorTypeMsCheckGuid, sizeof(EFI_GUID));
 
             //Set reserved space to zero.
-            *check_info &= ~0xFF30;
+            *check_info &= ~0xFFE0;
             *check_info &= 0xFFFFFF;
             break;
     }
@@ -135,7 +136,7 @@
     if (reg_type == 3)
         reg_size = 244; //x64 registers.
     else
-        reg_size = rand() % 64; //Not table defined.
+        reg_size = (rand() % 5) * 32; //Not table defined.
 
     //Create structure randomly.
     int total_size = 16 + reg_size;
@@ -144,6 +145,7 @@
     //Set header information.
     *(context_structure) = reg_type;
     *(context_structure + 1) = reg_size;
+    printf("set reg size to %d (for type %d).\n", reg_size, reg_type);
 
     //Set return values and exit.
     *location = context_structure;