#ifndef _ASM_FIXMAP_H #define _ASM_FIXMAP_H #define FIXADDR_START 0xffc00000UL #define FIXADDR_END 0xfff00000UL #define FIXADDR_TOP (FIXADDR_END - PAGE_SIZE) #include #include enum fixed_addresses { FIX_EARLYCON_MEM_BASE, __end_of_permanent_fixed_addresses, FIX_KMAP_BEGIN = __end_of_permanent_fixed_addresses, FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS) - 1, /* Support writing RO kernel text via kprobes, jump labels, etc. */ FIX_TEXT_POKE0, FIX_TEXT_POKE1, __end_of_fixed_addresses }; #define FIXMAP_PAGE_COMMON (L_PTE_YOUNG | L_PTE_PRESENT | L_PTE_XN | L_PTE_DIRTY) #define FIXMAP_PAGE_NORMAL (FIXMAP_PAGE_COMMON | L_PTE_MT_WRITEBACK) /* Used by set_fixmap_(io|nocache), both meant for mapping a device */ #define FIXMAP_PAGE_IO (FIXMAP_PAGE_COMMON | L_PTE_MT_DEV_SHARED | L_PTE_SHARED) #define FIXMAP_PAGE_NOCACHE FIXMAP_PAGE_IO void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot); void __init early_fixmap_init(void); #include #endif