| 46,8 → 46,25 |
|---|
| /** Bit width of the TLB-locked portion of kernel address space. */ |
| #define KERNEL_PAGE_WIDTH 28 /* 256M */ |
| #define IO_PAGE_WIDTH 26 /* 64M */ |
| #define FW_PAGE_WIDTH 28 /* 256M */ |
| |
| #define USPACE_IO_PAGE_WIDTH 12 /* 4K */ |
| |
| |
| /* |
| * Statically mapped IO spaces - offsets to 0xe...00 of virtual addresses |
| * because of "minimal virtual bits implemented is 51" it is possible to |
| * have values up to 0x0007000000000000 |
| */ |
| |
| /* Firmware area (bellow 4GB in phys mem) */ |
| #define FW_OFFSET 0x00000000F0000000 |
| /* Legacy IO space */ |
| #define IO_OFFSET 0x0001000000000000 |
| /* Videoram - now mapped to 0 as VGA text mode vram on 0xb8000 */ |
| #define VIO_OFFSET 0x0002000000000000 |
| |
| |
| #define PPN_SHIFT 12 |
| |
| #define VRN_SHIFT 61 |