From cc72712173c610494bf32f8113a968c3ece5aee2 Mon Sep 17 00:00:00 2001
From: zhangyan <103986797+messigogogo@users.noreply.github.com>
Date: Fri, 10 Oct 2025 11:02:28 +0800
Subject: [PATCH] =?UTF-8?q?[CPU/AARCH64]=20=E5=A2=9E=E5=8A=A0=20libcpu/aar?=
 =?UTF-8?q?ch64=20KERNEL=5FASPACE=5FSTART=20=E9=85=8D=E7=BD=AE=20#10757?=
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针对不同的 Aarch64 BSP 针对 KERNEL_VADDR_START 宏定义进行区分
---
 bsp/phytium/aarch32/README.md | 2 ++
 bsp/phytium/aarch64/Kconfig   | 3 +++
 bsp/phytium/aarch64/README.md | 2 ++
 libcpu/aarch64/common/mmu.c   | 5 +++++
 4 files changed, 12 insertions(+)

diff --git a/bsp/phytium/aarch32/README.md b/bsp/phytium/aarch32/README.md
index d1edf14e2e..11349f56a6 100644
--- a/bsp/phytium/aarch32/README.md
+++ b/bsp/phytium/aarch32/README.md
@@ -67,6 +67,8 @@ rtthread_a32.elf
 rtthread_a32.map
 ```
 
+- 若需切换版本进行调试，请先在`bsp\phytium\libraries\phytium_standalone_sdk`目录下删除现有的`phytium_standalone_sdk`工具包，然后重新执行上述指令以拉取指定版本。
+
 ### RT-Thread env 环境
 
 #### RT-Thread
diff --git a/bsp/phytium/aarch64/Kconfig b/bsp/phytium/aarch64/Kconfig
index 0bb44f3565..5e689d7134 100644
--- a/bsp/phytium/aarch64/Kconfig
+++ b/bsp/phytium/aarch64/Kconfig
@@ -64,3 +64,6 @@ menu "Standalone Setting"
 
 endmenu
 
+config KERNEL_ASPACE_START
+    hex
+    default 0x1000
\ No newline at end of file
diff --git a/bsp/phytium/aarch64/README.md b/bsp/phytium/aarch64/README.md
index f2aa224ccd..3a00b6d0a2 100644
--- a/bsp/phytium/aarch64/README.md
+++ b/bsp/phytium/aarch64/README.md
@@ -67,6 +67,8 @@ rtthread_a64.elf
 rtthread_a64.map
 ```
 
+- 若需切换版本进行调试，请先在`bsp\phytium\libraries\phytium_standalone_sdk`目录下删除现有的`phytium_standalone_sdk`工具包，然后重新执行上述指令以拉取指定版本。
+
 ### RT-Thread env 环境
 
 #### RT-Thread
diff --git a/libcpu/aarch64/common/mmu.c b/libcpu/aarch64/common/mmu.c
index afa70cb90d..d394cda403 100644
--- a/libcpu/aarch64/common/mmu.c
+++ b/libcpu/aarch64/common/mmu.c
@@ -54,8 +54,13 @@
 
 /* restrict virtual address on usage of RT_NULL */
 #ifndef KERNEL_VADDR_START
+#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)));