update

Author: messigogogo

bsp/phytium/aarch64/Kconfig

@@ -64,3 +64,6 @@ menu "Standalone Setting"
 
 endmenu
 
+config KERNEL_ASPACE_START
+    hex
+    default 0x1000

libcpu/aarch64/common/mmu.c

@@ -54,8 +54,13 @@
 
 /* restrict virtual address on usage of RT_NULL */
 #ifndef KERNEL_VADDR_START
-#define KERNEL_VADDR_START 0x1000
+#ifdef  KERNEL_ASPACE_START
+#define KERNEL_VADDR_START KERNEL_ASPACE_START
+#else
+#define KERNEL_VADDR_START (ARCH_RAM_OFFSET + ARCH_TEXT_OFFSET)
 #endif
+#endif /* KERNEL_VADDR_START */
+
 
 volatile unsigned long MMUTable[512] __attribute__((aligned(4 * 1024)));