forked from Minki/linux
ec2212088c
Disintegrate asm/system.h for Alpha. Signed-off-by: David Howells <dhowells@redhat.com> cc: linux-alpha@vger.kernel.org
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
#ifndef __ALPHA_SETUP_H
|
|
#define __ALPHA_SETUP_H
|
|
|
|
#define COMMAND_LINE_SIZE 256
|
|
|
|
/*
|
|
* 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*)(PARAM + 0x0000))
|
|
#define INITRD_START (*(unsigned long *) (PARAM+0x100))
|
|
#define INITRD_SIZE (*(unsigned long *) (PARAM+0x108))
|
|
|
|
#endif
|