arch: xtensa: Rename xtensa_mmu.c to ptables.c

Initial work to split page table manipulation from
mmu hardware interaction.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>

Author: Flavio Ceolin

arch/xtensa/core/CMakeLists.txt

@@ -21,7 +21,7 @@ zephyr_library_sources_ifdef(CONFIG_XTENSA_ENABLE_BACKTRACE debug_helpers_asm.S)
 zephyr_library_sources_ifdef(CONFIG_DEBUG_COREDUMP coredump.c)
 zephyr_library_sources_ifdef(CONFIG_TIMING_FUNCTIONS timing.c)
 zephyr_library_sources_ifdef(CONFIG_GDBSTUB gdbstub.c)
-zephyr_library_sources_ifdef(CONFIG_XTENSA_MMU xtensa_mmu.c)
+zephyr_library_sources_ifdef(CONFIG_XTENSA_MMU ptables.c)
 zephyr_library_sources_ifdef(CONFIG_USERSPACE userspace.S)
 zephyr_library_sources_ifdef(CONFIG_XTENSA_SYSCALL_USE_HELPER syscall_helper.c)
 

arch/xtensa/core/xtensa_mmu.c renamed to arch/xtensa/core/ptables.c

@@ -324,7 +324,7 @@ SECTIONS
 
     /* Userspace related stuff */
     LIB_OBJ_FUNC_IN_SECT(libarch__xtensa__core.a,userspace.S.obj,z_xtensa_do_syscall)
-    LIB_OBJ_FUNC_IN_SECT(libarch__xtensa__core.a,xtensa_mmu.c.obj,z_xtensa_swap_update_page_tables)
+    LIB_OBJ_FUNC_IN_SECT(libarch__xtensa__core.a,ptables.c.obj,z_xtensa_swap_update_page_tables)
 
     /* Below are to speed up execution by avoiding TLB misses
      * on frequently used functions.