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[CPU/AARCH64] 增加libcpu/aarch64 KERNEL_ASPACE_START配置 #10757

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Merged
merged 3 commits into from
Oct 10, 2025
Merged

[CPU/AARCH64] 增加libcpu/aarch64 KERNEL_ASPACE_START配置 #10757

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e93977c
debuge mmu
messigogogo Sep 28, 2025
1ca1702
debuge mmu
messigogogo Sep 28, 2025
7233a4a
update
messigogogo Sep 30, 2025
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2 changes: 2 additions & 0 deletions bsp/phytium/aarch32/README.md
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Expand Up @@ -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
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3 changes: 3 additions & 0 deletions bsp/phytium/aarch64/Kconfig
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Expand Up @@ -64,3 +64,6 @@ menu "Standalone Setting"

endmenu

config KERNEL_ASPACE_START
hex
default 0x1000
2 changes: 2 additions & 0 deletions bsp/phytium/aarch64/README.md
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Expand Up @@ -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
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5 changes: 5 additions & 0 deletions libcpu/aarch64/common/mmu.c
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Expand Up @@ -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)));

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