Fix handling of FIQ mode exceptions

Detail:
  s/Middle - When handling an FIQ-mode exception, protect the register dump pointer around the call to HAL_FIQDisableAll
Admin:
  Tested on Raspberry Pi
  Fixes data abort within kernel when an abort occurs is FIQ mode


Version 5.35, 4.79.2.292. Tagged as 'Kernel-5_35-4_79_2_292'

VersionASM

@@ -13,11 +13,11 @@
                         GBLS    Module_ComponentPath
 Module_MajorVersion     SETS    "5.35"
 Module_Version          SETA    535
-Module_MinorVersion     SETS    "4.79.2.291"
-Module_Date             SETS    "30 Sep 2015"
-Module_ApplicationDate  SETS    "30-Sep-15"
+Module_MinorVersion     SETS    "4.79.2.292"
+Module_Date             SETS    "07 Oct 2015"
+Module_ApplicationDate  SETS    "07-Oct-15"
 Module_ComponentName    SETS    "Kernel"
 Module_ComponentPath    SETS    "castle/RiscOS/Sources/Kernel"
-Module_FullVersion      SETS    "5.35 (4.79.2.291)"
-Module_HelpVersion      SETS    "5.35 (30 Sep 2015) 4.79.2.291"
+Module_FullVersion      SETS    "5.35 (4.79.2.292)"
+Module_HelpVersion      SETS    "5.35 (07 Oct 2015) 4.79.2.292"
                         END

VersionNum

@@ -5,19 +5,19 @@
  *
  */
 #define Module_MajorVersion_CMHG        5.35
-#define Module_MinorVersion_CMHG        4.79.2.291
-#define Module_Date_CMHG                30 Sep 2015
+#define Module_MinorVersion_CMHG        4.79.2.292
+#define Module_Date_CMHG                07 Oct 2015
 
 #define Module_MajorVersion             "5.35"
 #define Module_Version                  535
-#define Module_MinorVersion             "4.79.2.291"
-#define Module_Date                     "30 Sep 2015"
+#define Module_MinorVersion             "4.79.2.292"
+#define Module_Date                     "07 Oct 2015"
 
-#define Module_ApplicationDate          "30-Sep-15"
+#define Module_ApplicationDate          "07-Oct-15"
 
 #define Module_ComponentName            "Kernel"
 #define Module_ComponentPath            "castle/RiscOS/Sources/Kernel"
 
-#define Module_FullVersion              "5.35 (4.79.2.291)"
-#define Module_HelpVersion              "5.35 (30 Sep 2015) 4.79.2.291"
+#define Module_FullVersion              "5.35 (4.79.2.292)"
+#define Module_HelpVersion              "5.35 (07 Oct 2015) 4.79.2.292"
 #define Module_LibraryVersionInfo       "5:35"

s/Middle

@@ -694,11 +694,13 @@ DumpyTheRegisters  ROUT
 
         BNE     UNDEF2
         MSR     CPSR_c, #I32_bit+F32_bit+SVC32_mode ; into SVC mode so we have a stack
+        Push    "r0"
       [ ZeroPage <> 0
         LDR     R2, =ZeroPage
       ]
         AddressHAL R2
         CallHAL HAL_FIQDisableAll
+        Pull    "r0"
 UNDEF2
         MSR     CPSR_c, #I32_bit+F32_bit+SVC32_mode ; into SVC mode