dev-arm: Rename SCMI namespace as scmi

As part of recent decisions regarding namespace
naming conventions, all namespaces will be changed
to snake case.

::SCMI became ::scmi.

Change-Id: I68f729124079ecce02120577d2b89b25f10bde4a
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/45392
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>

src/dev/arm/css/Scmi.py

@@ -46,7 +46,7 @@ class ScmiChannel(SimObject):
     """
     type = 'ScmiChannel'
     cxx_header = "dev/arm/css/scmi_platform.hh"
-    cxx_class = "SCMI::VirtualChannel"
+    cxx_class = "scmi::VirtualChannel"
     shmem_range = Param.AddrRange(
         "Virtual channel's shared memory address range")
     phys_id = Param.Unsigned(4,
@@ -78,7 +78,7 @@ class ScmiAgentChannel(ScmiChannel):
     """
     type = 'ScmiAgentChannel'
     cxx_header = "dev/arm/css/scmi_platform.hh"
-    cxx_class = "SCMI::AgentChannel"
+    cxx_class = "scmi::AgentChannel"
 
 
 class ScmiPlatformChannel(ScmiChannel):
@@ -87,7 +87,7 @@ class ScmiPlatformChannel(ScmiChannel):
     """
     type = 'ScmiPlatformChannel'
     cxx_header = "dev/arm/css/scmi_platform.hh"
-    cxx_class = "SCMI::PlatformChannel"
+    cxx_class = "scmi::PlatformChannel"
 
 class ScmiCommunication(SimObject):
     """
@@ -98,7 +98,7 @@ class ScmiCommunication(SimObject):
     """
     type = 'ScmiCommunication'
     cxx_header = "dev/arm/css/scmi_platform.hh"
-    cxx_class = "SCMI::Communication"
+    cxx_class = "scmi::Communication"
 
     agent_channel = Param.ScmiAgentChannel(
         "Agent to Platform channel")
@@ -108,7 +108,7 @@ class ScmiCommunication(SimObject):
 class ScmiPlatform(Scp):
     type = 'ScmiPlatform'
     cxx_header = "dev/arm/css/scmi_platform.hh"
-    cxx_class = "SCMI::Platform"
+    cxx_class = "scmi::Platform"
 
     comms = VectorParam.ScmiCommunication([],
         "SCMI Communications")

src/dev/arm/css/scmi_platform.cc

@@ -43,7 +43,7 @@
 #include "dev/arm/doorbell.hh"
 #include "mem/packet_access.hh"
 
-using namespace SCMI;
+using namespace scmi;
 
 AgentChannel::AgentChannel(const ScmiChannelParams &p)
   : VirtualChannel(p),

src/dev/arm/css/scmi_platform.hh

@@ -46,7 +46,8 @@
 
 class Doorbell;
 
-namespace SCMI
+GEM5_DEPRECATED_NAMESPACE(SCMI, scmi);
+namespace scmi
 {
 
 class Platform;
@@ -326,6 +327,6 @@ class Platform : public Scp
     DmaPort dmaPort;
 };
 
-} // namespace SCMI
+} // namespace scmi
 
 #endif // __DEV_ARM_CSS_SCMI_PLATFORM_H__

src/dev/arm/css/scmi_protocols.cc

@@ -40,7 +40,7 @@
 #include "debug/SCMI.hh"
 #include "dev/arm/css/scmi_platform.hh"
 
-using namespace SCMI;
+using namespace scmi;
 
 const std::string
 Protocol::name() const

src/dev/arm/css/scmi_protocols.hh

@@ -41,7 +41,10 @@
 #include <cstdint>
 #include <string>
 
-namespace SCMI
+#include "base/compiler.hh"
+
+GEM5_DEPRECATED_NAMESPACE(SCMI, scmi);
+namespace scmi
 {
 
 class Platform;
@@ -148,6 +151,6 @@ class BaseProtocol : public Protocol
 
 };
 
-}; // namespace SCMI
+}; // namespace scmi
 
 #endif