arch: Don't add contents to the TheISA namespace in arch/generic.

Instead, add what you want other ISAs to be able to use to a generic,
fixed namespace, and then let those other ISAs bring those symbols in
with "using" if they want them.

Change-Id: I15bfaf56e76ffdc3bdb603deef4ad471211f4f24
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/32929
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>

src/arch/generic/locked_mem.hh

@@ -47,12 +47,15 @@
  * Generic helper functions for locked memory accesses.
  */
 
-#include "config/the_isa.hh"
 #include "mem/packet.hh"
 #include "mem/request.hh"
 
-namespace TheISA
+namespace GenericISA
 {
+
+namespace LockedMem
+{
+
 template <class XC>
 inline void
 handleLockedSnoop(XC *xc, PacketPtr pkt, Addr cacheBlockMask)
@@ -85,6 +88,8 @@ globalClearExclusive(XC *xc)
 {
 }
 
+} // namespace LockedMem
+
 } // namespace Generic ISA
 
 #endif

src/arch/null/locked_mem.hh

@@ -49,4 +49,11 @@
 
 #include "arch/generic/locked_mem.hh"
 
+namespace NullISA
+{
+
+using namespace GenericISA::LockedMem;
+
+} // namespace NullISA
+
 #endif

src/arch/power/locked_mem.hh

@@ -39,4 +39,11 @@
 
 #include "arch/generic/locked_mem.hh"
 
+namespace PowerISA
+{
+
+using namespace GenericISA::LockedMem;
+
+} // namespace PowerISA
+
 #endif // __ARCH_POWER_LOCKED_MEM_HH__

src/arch/sparc/locked_mem.hh

@@ -37,4 +37,11 @@
 
 #include "arch/generic/locked_mem.hh"
 
+namespace SparcISA
+{
+
+using namespace GenericISA::LockedMem;
+
+} // namespace SparcISA
+
 #endif

src/arch/x86/locked_mem.hh

@@ -37,4 +37,11 @@
 
 #include "arch/generic/locked_mem.hh"
 
+namespace X86ISA
+{
+
+using namespace GenericISA::LockedMem;
+
+} // namespace X86ISA
+
 #endif // __ARCH_X86_LOCKEDMEM_HH__