add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/xtensa/include/asm/page.h
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@@ -169,7 +169,18 @@
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 	if (off >= XCHAL_KSEG_SIZE)
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 		off -= XCHAL_KSEG_SIZE;
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+#ifndef CONFIG_XIP_KERNEL
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 	return off + PHYS_OFFSET;
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+#else
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+	if (off < XCHAL_KSEG_SIZE)
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+		return off + PHYS_OFFSET;
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+
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+	off -= XCHAL_KSEG_SIZE;
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+	if (off >= XCHAL_KIO_SIZE)
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+		off -= XCHAL_KIO_SIZE;
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+
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+	return off + XCHAL_KIO_PADDR;
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+#endif
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 }
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 #define __pa(x)	___pa((unsigned long)(x))
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 #else
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@@ -191,9 +202,6 @@
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 #define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
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 #endif /* __ASSEMBLY__ */
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-
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-#define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | VM_EXEC | \
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-				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
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 #include <asm-generic/memory_model.h>
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 #endif /* _XTENSA_PAGE_H */