| /* SPDX-License-Identifier: GPL-2.0-only */ |
| #ifndef __ALPHA_SETUP_H |
| #define __ALPHA_SETUP_H |
| |
| #include <uapi/asm/setup.h> |
| |
| /* |
| * We leave one page for the initial stack page, and one page for |
| * the initial process structure. Also, the console eats 3 MB for |
| * the initial bootloader (one of which we can reclaim later). |
| */ |
| #define BOOT_PCB 0x20000000 |
| #define BOOT_ADDR 0x20000000 |
| /* Remove when official MILO sources have ELF support: */ |
| #define BOOT_SIZE (16*1024) |
| |
| #ifdef CONFIG_ALPHA_LEGACY_START_ADDRESS |
| #define KERNEL_START_PHYS 0x300000 /* Old bootloaders hardcoded this. */ |
| #else |
| #define KERNEL_START_PHYS 0x1000000 /* required: Wildfire/Titan/Marvel */ |
| #endif |
| |
| #define KERNEL_START (PAGE_OFFSET+KERNEL_START_PHYS) |
| #define SWAPPER_PGD KERNEL_START |
| #define INIT_STACK (PAGE_OFFSET+KERNEL_START_PHYS+0x02000) |
| #define EMPTY_PGT (PAGE_OFFSET+KERNEL_START_PHYS+0x04000) |
| #define EMPTY_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x08000) |
| #define ZERO_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x0A000) |
| |
| #define START_ADDR (PAGE_OFFSET+KERNEL_START_PHYS+0x10000) |
| |
| /* |
| * This is setup by the secondary bootstrap loader. Because |
| * the zero page is zeroed out as soon as the vm system is |
| * initialized, we need to copy things out into a more permanent |
| * place. |
| */ |
| #define PARAM ZERO_PGE |
| #define COMMAND_LINE ((char *)(absolute_pointer(PARAM + 0x0000))) |
| #define INITRD_START (*(unsigned long *) (PARAM+0x100)) |
| #define INITRD_SIZE (*(unsigned long *) (PARAM+0x108)) |
| |
| #endif |
