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Diffstat (limited to 'include/asm-mips/sn/mapped_kernel.h')
-rw-r--r-- | include/asm-mips/sn/mapped_kernel.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/include/asm-mips/sn/mapped_kernel.h b/include/asm-mips/sn/mapped_kernel.h deleted file mode 100644 index 721496a0bb9..00000000000 --- a/include/asm-mips/sn/mapped_kernel.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * File created by Kanoj Sarcar 06/06/00. - * Copyright 2000 Silicon Graphics, Inc. - */ -#ifndef __ASM_SN_MAPPED_KERNEL_H -#define __ASM_SN_MAPPED_KERNEL_H - -#include <linux/mmzone.h> - -/* - * Note on how mapped kernels work: the text and data section is - * compiled at cksseg segment (LOADADDR = 0xc001c000), and the - * init/setup/data section gets a 16M virtual address bump in the - * ld.script file (so that tlblo0 and tlblo1 maps the sections). - * The vmlinux.64 section addresses are put in the xkseg range - * using the change-addresses makefile option. Use elfdump -of - * on IRIX to see where the sections go. The Origin loader loads - * the two sections contiguously in physical memory. The loader - * sets the entry point into kernel_entry using a xkphys address, - * but instead of using 0xa800000001160000, it uses the address - * 0xa800000000160000, which is where it physically loaded that - * code. So no jumps can be done before we have switched to using - * cksseg addresses. - */ -#include <asm/addrspace.h> - -#define REP_BASE CAC_BASE - -#ifdef CONFIG_MAPPED_KERNEL - -#define MAPPED_ADDR_RO_TO_PHYS(x) (x - REP_BASE) -#define MAPPED_ADDR_RW_TO_PHYS(x) (x - REP_BASE - 16777216) - -#define MAPPED_KERN_RO_PHYSBASE(n) (hub_data(n)->kern_vars.kv_ro_baseaddr) -#define MAPPED_KERN_RW_PHYSBASE(n) (hub_data(n)->kern_vars.kv_rw_baseaddr) - -#define MAPPED_KERN_RO_TO_PHYS(x) \ - ((unsigned long)MAPPED_ADDR_RO_TO_PHYS(x) | \ - MAPPED_KERN_RO_PHYSBASE(get_compact_nodeid())) -#define MAPPED_KERN_RW_TO_PHYS(x) \ - ((unsigned long)MAPPED_ADDR_RW_TO_PHYS(x) | \ - MAPPED_KERN_RW_PHYSBASE(get_compact_nodeid())) - -#else /* CONFIG_MAPPED_KERNEL */ - -#define MAPPED_KERN_RO_TO_PHYS(x) (x - REP_BASE) -#define MAPPED_KERN_RW_TO_PHYS(x) (x - REP_BASE) - -#endif /* CONFIG_MAPPED_KERNEL */ - -#define MAPPED_KERN_RO_TO_K0(x) PHYS_TO_K0(MAPPED_KERN_RO_TO_PHYS(x)) -#define MAPPED_KERN_RW_TO_K0(x) PHYS_TO_K0(MAPPED_KERN_RW_TO_PHYS(x)) - -#endif /* __ASM_SN_MAPPED_KERNEL_H */ |