| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __ALPHA_SETUP_H |
| 2 | #define __ALPHA_SETUP_H |
| 3 | |
| 4 | #define COMMAND_LINE_SIZE 256 |
| 5 | |
| David Howells | ec22120 | 2012-03-28 18:11:12 +0100 | [diff] [blame] | 6 | /* |
| 7 | * We leave one page for the initial stack page, and one page for |
| 8 | * the initial process structure. Also, the console eats 3 MB for |
| 9 | * the initial bootloader (one of which we can reclaim later). |
| 10 | */ |
| 11 | #define BOOT_PCB 0x20000000 |
| 12 | #define BOOT_ADDR 0x20000000 |
| 13 | /* Remove when official MILO sources have ELF support: */ |
| 14 | #define BOOT_SIZE (16*1024) |
| 15 | |
| 16 | #ifdef CONFIG_ALPHA_LEGACY_START_ADDRESS |
| 17 | #define KERNEL_START_PHYS 0x300000 /* Old bootloaders hardcoded this. */ |
| 18 | #else |
| 19 | #define KERNEL_START_PHYS 0x1000000 /* required: Wildfire/Titan/Marvel */ |
| 20 | #endif |
| 21 | |
| 22 | #define KERNEL_START (PAGE_OFFSET+KERNEL_START_PHYS) |
| 23 | #define SWAPPER_PGD KERNEL_START |
| 24 | #define INIT_STACK (PAGE_OFFSET+KERNEL_START_PHYS+0x02000) |
| 25 | #define EMPTY_PGT (PAGE_OFFSET+KERNEL_START_PHYS+0x04000) |
| 26 | #define EMPTY_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x08000) |
| 27 | #define ZERO_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x0A000) |
| 28 | |
| 29 | #define START_ADDR (PAGE_OFFSET+KERNEL_START_PHYS+0x10000) |
| 30 | |
| 31 | /* |
| 32 | * This is setup by the secondary bootstrap loader. Because |
| 33 | * the zero page is zeroed out as soon as the vm system is |
| 34 | * initialized, we need to copy things out into a more permanent |
| 35 | * place. |
| 36 | */ |
| 37 | #define PARAM ZERO_PGE |
| 38 | #define COMMAND_LINE ((char*)(PARAM + 0x0000)) |
| 39 | #define INITRD_START (*(unsigned long *) (PARAM+0x100)) |
| 40 | #define INITRD_SIZE (*(unsigned long *) (PARAM+0x108)) |
| 41 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | #endif |