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Rev 3022 Rev 4055
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#include <arch/mm/frame.h>
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#include <arch/mm/frame.h>
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#define PAGE_SIZE   FRAME_SIZE
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#define PAGE_SIZE   FRAME_SIZE
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#define PAGE_WIDTH  FRAME_WIDTH
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#define PAGE_WIDTH  FRAME_WIDTH
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#define PAGE_COLOR_BITS 0           /* dummy */
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#ifdef KERNEL
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#ifdef KERNEL
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/** Bit width of the TLB-locked portion of kernel address space. */
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/** Bit width of the TLB-locked portion of kernel address space. */
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#define KERNEL_PAGE_WIDTH       28  /* 256M */
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#define KERNEL_PAGE_WIDTH       28  /* 256M */
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#define IO_PAGE_WIDTH           26  /* 64M */
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#define IO_PAGE_WIDTH           26  /* 64M */
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#define FW_PAGE_WIDTH           28  /* 256M */
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#define USPACE_IO_PAGE_WIDTH        12  /* 4K */
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/*
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 * Statically mapped IO spaces - offsets to 0xe...00 of virtual addresses
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 * because of "minimal virtual bits implemented is 51" it is possible to
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 * have values up to 0x0007000000000000
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 */
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/* Firmware area (bellow 4GB in phys mem) */
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#define FW_OFFSET             0x00000000F0000000
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/* Legacy IO space */
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#define IO_OFFSET             0x0001000000000000
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/* Videoram - now mapped to 0 as VGA text mode vram on 0xb8000 */
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#define VIO_OFFSET            0x0002000000000000
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#define PPN_SHIFT           12
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#define PPN_SHIFT           12
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#define VRN_SHIFT           61
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#define VRN_SHIFT           61