| 35,49 → 35,12 |
|---|
| #ifndef KERN_sparc64_PAGE_H_ |
| #define KERN_sparc64_PAGE_H_ |
| |
| #include <arch/mm/frame.h> |
| #if defined(SUN4U) |
| #include <arch/mm/sun4u/page.h> |
| #elif defined (SUN4V) |
| #include <arch/mm/sun4v/page.h> |
| #endif |
| |
| /* |
| * On the TLB and TSB level, we still use 8K pages, which are supported by the |
| * MMU. |
| */ |
| #define MMU_PAGE_WIDTH MMU_FRAME_WIDTH |
| #define MMU_PAGE_SIZE MMU_FRAME_SIZE |
| |
| /* |
| * On the page table level, we use 16K pages. 16K pages are not supported by |
| * the MMU but we emulate them with pairs of 8K pages. |
| */ |
| #define PAGE_WIDTH FRAME_WIDTH |
| #define PAGE_SIZE FRAME_SIZE |
| |
| #define MMU_PAGES_PER_PAGE (1 << (PAGE_WIDTH - MMU_PAGE_WIDTH)) |
| |
| #ifdef KERNEL |
| |
| #ifndef __ASM__ |
| |
| #include <arch/interrupt.h> |
| |
| extern uintptr_t physmem_base; |
| |
| #define KA2PA(x) (((uintptr_t) (x)) + physmem_base) |
| #define PA2KA(x) (((uintptr_t) (x)) - physmem_base) |
| |
| typedef union { |
| uintptr_t address; |
| struct { |
| uint64_t vpn : 51; /**< Virtual Page Number. */ |
| unsigned offset : 13; /**< Offset. */ |
| } __attribute__ ((packed)); |
| } page_address_t; |
| |
| extern void page_arch_init(void); |
| |
| #endif /* !def __ASM__ */ |
| |
| #endif /* KERNEL */ |
| |
| #endif |
| |
| /** @} |