arch: update port terminology

Change-Id: Ifcf90534d8e5ff5fc68538ec87dc541517ea404d
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/32311
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>

src/arch/arm/ArmTLB.py

@@ -54,7 +54,7 @@ class ArmTableWalker(ClockedObject):
     # to the Stage2MMU, and shared by the two table walkers, but we
     # access it through the ITB and DTB walked objects in the CPU for
     # symmetry with the other ISAs.
-    port = MasterPort("Port used by the two table walkers")
+    port = RequestPort("Port used by the two table walkers")
 
     sys = Param.System(Parent.any, "system object parameter")
 

src/arch/generic/BaseTLB.py

@@ -34,4 +34,4 @@ class BaseTLB(SimObject):
     cxx_header = "arch/generic/tlb.hh"
     # Ports to connect with other TLB levels
     slave  = VectorSlavePort("Port closer to the CPU side")
-    master = MasterPort("Port closer to memory side")
+    master = RequestPort("Port closer to memory side")

src/arch/riscv/RiscvTLB.py

@@ -37,7 +37,7 @@ class RiscvPagetableWalker(ClockedObject):
     type = 'RiscvPagetableWalker'
     cxx_class = 'RiscvISA::Walker'
     cxx_header = 'arch/riscv/pagetable_walker.hh'
-    port = MasterPort("Port for the hardware table walker")
+    port = RequestPort("Port for the hardware table walker")
     system = Param.System(Parent.any, "system object")
     num_squash_per_cycle = Param.Unsigned(4,
             "Number of outstanding walks that can be squashed per cycle")

src/arch/riscv/pagetable_walker.hh

@@ -58,11 +58,11 @@ namespace RiscvISA
     {
       protected:
         // Port for accessing memory
-        class WalkerPort : public MasterPort
+        class WalkerPort : public RequestPort
         {
           public:
             WalkerPort(const std::string &_name, Walker * _walker) :
-                  MasterPort(_name, _walker), walker(_walker)
+                  RequestPort(_name, _walker), walker(_walker)
             {}
 
           protected:

src/arch/x86/X86LocalApic.py

@@ -48,11 +48,11 @@ class X86LocalApic(BaseInterrupts):
     type = 'X86LocalApic'
     cxx_class = 'X86ISA::Interrupts'
     cxx_header = 'arch/x86/interrupts.hh'
-    int_master = MasterPort("Port for sending interrupt messages")
-    int_slave = SlavePort("Port for receiving interrupt messages")
+    int_master = RequestPort("Port for sending interrupt messages")
+    int_slave = ResponsePort("Port for receiving interrupt messages")
     int_latency = Param.Latency('1ns', \
             "Latency for an interrupt to propagate through this device.")
-    pio = SlavePort("Programmed I/O port")
+    pio = ResponsePort("Programmed I/O port")
     system = Param.System(Parent.any, "System this device is part of")
 
     pio_latency = Param.Latency('100ns', 'Programmed IO latency')

src/arch/x86/X86TLB.py

@@ -43,7 +43,7 @@ class X86PagetableWalker(ClockedObject):
     type = 'X86PagetableWalker'
     cxx_class = 'X86ISA::Walker'
     cxx_header = 'arch/x86/pagetable_walker.hh'
-    port = MasterPort("Port for the hardware table walker")
+    port = RequestPort("Port for the hardware table walker")
     system = Param.System(Parent.any, "system object")
     num_squash_per_cycle = Param.Unsigned(4,
             "Number of outstanding walks that can be squashed per cycle")

src/arch/x86/pagetable_walker.hh

@@ -57,11 +57,11 @@ namespace X86ISA
     {
       protected:
         // Port for accessing memory
-        class WalkerPort : public MasterPort
+        class WalkerPort : public RequestPort
         {
           public:
             WalkerPort(const std::string &_name, Walker * _walker) :
-                  MasterPort(_name, _walker), walker(_walker)
+                  RequestPort(_name, _walker), walker(_walker)
             {}
 
           protected: