Linux lhjmq-records 5.15.0-118-generic #128-Ubuntu SMP Fri Jul 5 09:28:59 UTC 2024 x86_64
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/* 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
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