use a single core folder for all ARM architectures.

This should reduce code duplication.

Move the GIC driver to a separate file so that it can be used by both ARMV7A and ARMV7R cores.

Add initial support for some Cortex-A and Cortex-R devices

ARM.CMSIS.pdsc

@@ -427,7 +427,7 @@
     <api Cclass="Device" Cgroup="IRQ Controller" Capiversion="1.0.0" exclusive="1">
       <description>Device interrupt controller interface</description>
       <files>
-        <file category="header" name="CMSIS/Core_A/Include/irq_ctrl.h"/>
+        <file category="header" name="CMSIS/Core/Include/irq_ctrl.h"/>
       </files>
     </api>
     <api Cclass="Device" Cgroup="OS Tick" Capiversion="1.0.1" exclusive="1">
@@ -648,7 +648,7 @@
 
   <components>
     <!-- CMSIS-Core component -->
-    <component Cclass="CMSIS" Cgroup="CORE" Cversion="5.7.0"  condition="ARMv6_7_8-M Device" >
+    <component Cclass="CMSIS" Cgroup="CORE" Cversion="5.6.0"  condition="ARMv6_7_8-M Device" >
       <description>CMSIS-CORE for Cortex-M, SC000, SC300, Star-MC1, ARMv8-M, ARMv8.1-M</description>
       <files>
         <!-- CPU independent -->
@@ -666,15 +666,15 @@
       <files>
         <!-- CPU independent -->
         <file category="doc"     name="CMSIS/Documentation/Core_A/html/index.html"/>
-        <file category="include" name="CMSIS/Core_A/Include/"/>
+        <file category="include" name="CMSIS/Core/Include/"/>
       </files>
     </component>
 
     <!-- IRQ Controller -->
     <component Cclass="Device" Cgroup="IRQ Controller" Csub="GIC" Capiversion="1.0.0" Cversion="1.2.0" condition="ARMv7-A Device">
       <description>IRQ Controller implementation using GIC</description>
       <files>
-        <file category="sourceC" name="CMSIS/Core_A/Source/irq_ctrl_gic.c"/>
+        <file category="sourceC" name="CMSIS/Core/Source/irq_ctrl_gic.c"/>
       </files>
     </component>
 

CMSIS/Core_A/Include/cmsis_cp15.h → CMSIS/Core/Include/armv7a_cp15.h

@@ -1,11 +1,11 @@
 /**************************************************************************//**
- * @file     cmsis_cp15.h
+ * @file     armv7a_cp15.h
  * @brief    CMSIS compiler specific macros, functions, instructions
  * @version  V1.0.2
  * @date     19. December 2022
  ******************************************************************************/
 /*
- * Copyright (c) 2009-2017 ARM Limited. All rights reserved.
+ * Copyright (c) 2009-2023 ARM Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  *