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Rev 3386 | Rev 4153 | ||
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44 | #ifdef KERNEL |
44 | #ifdef KERNEL |
45 | 45 | ||
46 | /** Bit width of the TLB-locked portion of kernel address space. */ |
46 | /** Bit width of the TLB-locked portion of kernel address space. */ |
47 | #define KERNEL_PAGE_WIDTH 28 /* 256M */ |
47 | #define KERNEL_PAGE_WIDTH 28 /* 256M */ |
48 | #define IO_PAGE_WIDTH 26 /* 64M */ |
48 | #define IO_PAGE_WIDTH 26 /* 64M */ |
- | 49 | #define FW_PAGE_WIDTH 28 /* 256M */ |
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- | 50 | ||
- | 51 | #define USPACE_IO_PAGE_WIDTH 12 /* 4K */ |
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- | 52 | ||
- | 53 | ||
- | 54 | /* |
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- | 55 | * Statically mapped IO spaces - offsets to 0xe...00 of virtual addresses |
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- | 56 | * because of "minimal virtual bits implemented is 51" it is possible to |
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- | 57 | * have values up to 0x0007000000000000 |
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- | 58 | */ |
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- | 59 | ||
- | 60 | /* Firmware area (bellow 4GB in phys mem) */ |
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- | 61 | #define FW_OFFSET 0x00000000F0000000 |
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- | 62 | /* Legacy IO space */ |
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- | 63 | #define IO_OFFSET 0x0001000000000000 |
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- | 64 | /* Videoram - now mapped to 0 as VGA text mode vram on 0xb8000 */ |
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- | 65 | #define VIO_OFFSET 0x0002000000000000 |
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49 | 66 | ||
50 | 67 | ||
51 | #define PPN_SHIFT 12 |
68 | #define PPN_SHIFT 12 |
52 | 69 | ||
53 | #define VRN_SHIFT 61 |
70 | #define VRN_SHIFT 61 |