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Test comparison to base branch #1

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c243220
some changes that make the rings work, removed some now unneeded debu…
Coreforge May 18, 2021
4864212
a few more various changes
Coreforge May 20, 2021
f6fd427
added memcpy_toio_pcie, memcpy_fromio_pcie and memset_io functions an…
Coreforge Sep 11, 2021
785130d
very messy changes, but 3D acceleration works with a userspace overri…
Coreforge Mar 13, 2022
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2 changes: 1 addition & 1 deletion arch/arm64/include/asm/io.h
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Original file line number Diff line number Diff line change
Expand Up @@ -168,7 +168,7 @@ extern void iounmap(volatile void __iomem *addr);
extern void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size);

#define ioremap(addr, size) __ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE))
#define ioremap_wc(addr, size) __ioremap((addr), (size), __pgprot(PROT_NORMAL_NC))
#define ioremap_wc(addr, size) __ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE))//__pgprot(PROT_NORMAL_NC))

/*
* PCI configuration space mapping function.
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2 changes: 1 addition & 1 deletion arch/arm64/mm/ioremap.c
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Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,7 @@ void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size)
if (pfn_valid(__phys_to_pfn(phys_addr)))
return (void __iomem *)__phys_to_virt(phys_addr);

return __ioremap_caller(phys_addr, size, __pgprot(PROT_NORMAL),
return __ioremap_caller(phys_addr, size, __pgprot(PROT_DEVICE_nGnRE),//__pgprot(PROT_NORMAL),
__builtin_return_address(0));
}
EXPORT_SYMBOL(ioremap_cache);
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