保留rt_hw前缀。调整KConfig

components/lwp/Kconfig

@@ -36,7 +36,8 @@ if RT_USING_LWP
 
     config LWP_ENABLE_ASID
         bool "The switch of ASID feature"
-        default n
+        depends on ARCH_ARM_CORTEX_A
+        default y
 
     if ARCH_MM_MMU
         config RT_LWP_SHM_MAX_NR

components/lwp/lwp.h

@@ -121,8 +121,10 @@ struct rt_lwp
     int debug;
     uint32_t bak_first_ins;
 
+#ifdef LWP_ENABLE_ASID
     uint64_t generation;
     unsigned int asid;
+#endif
 };
 
 struct rt_lwp *lwp_self(void);
@@ -296,6 +298,6 @@ rt_channel_t gdb_server_channel(void);
 int dbg_step_type(void);
 void dbg_attach_req(void *pc);
 int dbg_check_suspend(void);
-void set_process_id(int pid);
+void rt_hw_set_process_id(int pid);
 
 #endif

libcpu/arm/cortex-a/start_gcc.S

@@ -289,7 +289,6 @@ rt_hw_mmu_switch:
     dsb
     isb
     mov pc, lr
-
 .global rt_hw_mmu_tbl_get
 rt_hw_mmu_tbl_get:
     mrc p15, 0, r0, c2, c0, 0    /* ttbr0 */
@@ -613,8 +612,8 @@ vector_resv:
     b       .
 
 #ifdef RT_USING_SMP
-.global rt_clz
-rt_clz:
+.global rt_hw_clz
+rt_hw_clz:
     clz r0, r0
     bx lr