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MIPS: mm: shorten lines by using macro
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Introduce helper macro to make lines shorter.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Thomas Bogendoerfer committed Nov 19, 2020
1 parent 411406a commit ed2adb7
Showing 1 changed file with 21 additions and 17 deletions.
38 changes: 21 additions & 17 deletions arch/mips/mm/cache.c
Original file line number Diff line number Diff line change
Expand Up @@ -155,26 +155,28 @@ void __update_cache(unsigned long address, pte_t pte)
unsigned long _page_cachable_default;
EXPORT_SYMBOL(_page_cachable_default);

#define PM(p) __pgprot(_page_cachable_default | (p))

static inline void setup_protection_map(void)
{
if (cpu_has_rixi) {
protection_map[0] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
protection_map[1] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC);
protection_map[2] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
protection_map[3] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC);
protection_map[4] = __pgprot(_page_cachable_default | _PAGE_PRESENT);
protection_map[5] = __pgprot(_page_cachable_default | _PAGE_PRESENT);
protection_map[6] = __pgprot(_page_cachable_default | _PAGE_PRESENT);
protection_map[7] = __pgprot(_page_cachable_default | _PAGE_PRESENT);

protection_map[8] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
protection_map[9] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC);
protection_map[10] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE | _PAGE_NO_READ);
protection_map[11] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE);
protection_map[12] = __pgprot(_page_cachable_default | _PAGE_PRESENT);
protection_map[13] = __pgprot(_page_cachable_default | _PAGE_PRESENT);
protection_map[14] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE);
protection_map[15] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE);
protection_map[0] = PM(_PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
protection_map[1] = PM(_PAGE_PRESENT | _PAGE_NO_EXEC);
protection_map[2] = PM(_PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
protection_map[3] = PM(_PAGE_PRESENT | _PAGE_NO_EXEC);
protection_map[4] = PM(_PAGE_PRESENT);
protection_map[5] = PM(_PAGE_PRESENT);
protection_map[6] = PM(_PAGE_PRESENT);
protection_map[7] = PM(_PAGE_PRESENT);

protection_map[8] = PM(_PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
protection_map[9] = PM(_PAGE_PRESENT | _PAGE_NO_EXEC);
protection_map[10] = PM(_PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE | _PAGE_NO_READ);
protection_map[11] = PM(_PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE);
protection_map[12] = PM(_PAGE_PRESENT);
protection_map[13] = PM(_PAGE_PRESENT);
protection_map[14] = PM(_PAGE_PRESENT | _PAGE_WRITE);
protection_map[15] = PM(_PAGE_PRESENT | _PAGE_WRITE);

} else {
protection_map[0] = PAGE_NONE;
Expand All @@ -196,6 +198,8 @@ static inline void setup_protection_map(void)
}
}

#undef PM

void cpu_cache_init(void)
{
if (cpu_has_3k_cache) {
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