X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?p=kvmfornfv.git;a=blobdiff_plain;f=kernel%2Farch%2Fmips%2Finclude%2Fasm%2Fpgtable-bits.h;h=ff7ad91c85db325b27dacb8987c9e1b930088855;hp=c28a8499aec7f4fa18c5bd4c71922812d2ebf143;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hpb=f93b97fd65072de626c074dbe099a1fff05ce060 diff --git a/kernel/arch/mips/include/asm/pgtable-bits.h b/kernel/arch/mips/include/asm/pgtable-bits.h index c28a8499a..ff7ad91c8 100644 --- a/kernel/arch/mips/include/asm/pgtable-bits.h +++ b/kernel/arch/mips/include/asm/pgtable-bits.h @@ -133,20 +133,13 @@ #define _PAGE_HUGE (1 << _PAGE_HUGE_SHIFT) #define _PAGE_SPLITTING_SHIFT (_PAGE_HUGE_SHIFT + 1) #define _PAGE_SPLITTING (1 << _PAGE_SPLITTING_SHIFT) - -/* Only R2 or newer cores have the XI bit */ -#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) -#define _PAGE_NO_EXEC_SHIFT (_PAGE_SPLITTING_SHIFT + 1) -#else -#define _PAGE_GLOBAL_SHIFT (_PAGE_SPLITTING_SHIFT + 1) -#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT) -#endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */ - #endif /* CONFIG_64BIT && CONFIG_MIPS_HUGE_TLB_SUPPORT */ #if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) /* XI - page cannot be executed */ -#ifndef _PAGE_NO_EXEC_SHIFT +#ifdef _PAGE_SPLITTING_SHIFT +#define _PAGE_NO_EXEC_SHIFT (_PAGE_SPLITTING_SHIFT + 1) +#else #define _PAGE_NO_EXEC_SHIFT (_PAGE_MODIFIED_SHIFT + 1) #endif #define _PAGE_NO_EXEC (cpu_has_rixi ? (1 << _PAGE_NO_EXEC_SHIFT) : 0) @@ -156,14 +149,16 @@ #define _PAGE_READ (cpu_has_rixi ? 0 : (1 << _PAGE_READ_SHIFT)) #define _PAGE_NO_READ_SHIFT _PAGE_READ_SHIFT #define _PAGE_NO_READ (cpu_has_rixi ? (1 << _PAGE_READ_SHIFT) : 0) +#endif /* defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) */ +#if defined(_PAGE_NO_READ_SHIFT) #define _PAGE_GLOBAL_SHIFT (_PAGE_NO_READ_SHIFT + 1) -#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT) - -#else /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR6 */ +#elif defined(_PAGE_SPLITTING_SHIFT) +#define _PAGE_GLOBAL_SHIFT (_PAGE_SPLITTING_SHIFT + 1) +#else #define _PAGE_GLOBAL_SHIFT (_PAGE_MODIFIED_SHIFT + 1) +#endif #define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT) -#endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */ #define _PAGE_VALID_SHIFT (_PAGE_GLOBAL_SHIFT + 1) #define _PAGE_VALID (1 << _PAGE_VALID_SHIFT) @@ -249,7 +244,7 @@ static inline uint64_t pte_to_entrylo(unsigned long pte_val) #define _CACHE_CACHABLE_NONCOHERENT (3<<_CACHE_SHIFT) /* LOONGSON */ #define _CACHE_CACHABLE_COHERENT (3<<_CACHE_SHIFT) /* LOONGSON-3 */ -#elif defined(CONFIG_MACH_JZ4740) +#elif defined(CONFIG_MACH_INGENIC) /* Ingenic uses the WA bit to achieve write-combine memory writes */ #define _CACHE_UNCACHED_ACCELERATED (1<<_CACHE_SHIFT)