1 #ifndef __ALPHA_SETUP_H 2 #define __ALPHA_SETUP_H 3 4 #define COMMAND_LINE_SIZE 256 5 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 42 #endif 43