diff options
Diffstat (limited to 'arch/arm26/kernel/compat.c')
| -rw-r--r-- | arch/arm26/kernel/compat.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/arch/arm26/kernel/compat.c b/arch/arm26/kernel/compat.c deleted file mode 100644 index 21e966ff0aa..00000000000 --- a/arch/arm26/kernel/compat.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * linux/arch/arm26/kernel/compat.c - * - * Copyright (C) 2001 Russell King - * 2003 Ian Molton - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * We keep the old params compatibility cruft in one place (here) - * so we don't end up with lots of mess around other places. - * - * NOTE: - * The old struct param_struct is deprecated, but it will be kept in - * the kernel for 5 years from now (2001). This will allow boot loaders - * to convert to the new struct tag way. - */ -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/init.h> - -#include <asm/setup.h> -#include <asm/mach-types.h> -#include <asm/page.h> - -//#include <asm/arch.h> -//#include <asm/mach/irq.h> - -/* - * Usage: - * - do not go blindly adding fields, add them at the end - * - when adding fields, don't rely on the address until - * a patch from me has been released - * - unused fields should be zero (for future expansion) - * - this structure is relatively short-lived - only - * guaranteed to contain useful data in setup_arch() - * - * This is the old deprecated way to pass parameters to the kernel - */ -struct param_struct { - union { - struct { - unsigned long page_size; /* 0 */ - unsigned long nr_pages; /* 4 */ - unsigned long ramdisk_size; /* 8 */ - unsigned long flags; /* 12 */ -#define FLAG_READONLY 1 -#define FLAG_RDLOAD 4 -#define FLAG_RDPROMPT 8 - unsigned long rootdev; /* 16 */ - unsigned long video_num_cols; /* 20 */ - unsigned long video_num_rows; /* 24 */ - unsigned long video_x; /* 28 */ - unsigned long video_y; /* 32 */ - unsigned long memc_control_reg; /* 36 */ - unsigned char sounddefault; /* 40 */ - unsigned char adfsdrives; /* 41 */ - unsigned char bytes_per_char_h; /* 42 */ - unsigned char bytes_per_char_v; /* 43 */ - unsigned long pages_in_bank[4]; /* 44 */ - unsigned long pages_in_vram; /* 60 */ - unsigned long initrd_start; /* 64 */ - unsigned long initrd_size; /* 68 */ - unsigned long rd_start; /* 72 */ - unsigned long system_rev; /* 76 */ - unsigned long system_serial_low; /* 80 */ - unsigned long system_serial_high; /* 84 */ - unsigned long mem_fclk_21285; /* 88 */ - } s; - char unused[256]; - } u1; - union { - char paths[8][128]; - struct { - unsigned long magic; - char n[1024 - sizeof(unsigned long)]; - } s; - } u2; - char commandline[COMMAND_LINE_SIZE]; -}; - -static struct tag * __init memtag(struct tag *tag, unsigned long start, unsigned long size) -{ - tag = tag_next(tag); - tag->hdr.tag = ATAG_MEM; - tag->hdr.size = tag_size(tag_mem32); - tag->u.mem.size = size; - tag->u.mem.start = start; - - return tag; -} - -static void __init build_tag_list(struct param_struct *params, void *taglist) -{ - struct tag *tag = taglist; - - if (params->u1.s.page_size != PAGE_SIZE) { - printk(KERN_WARNING "Warning: bad configuration page, " - "trying to continue\n"); - return; - } - - printk(KERN_DEBUG "Converting old-style param struct to taglist\n"); - - tag->hdr.tag = ATAG_CORE; - tag->hdr.size = tag_size(tag_core); - tag->u.core.flags = params->u1.s.flags & FLAG_READONLY; - tag->u.core.pagesize = params->u1.s.page_size; - tag->u.core.rootdev = params->u1.s.rootdev; - - tag = tag_next(tag); - tag->hdr.tag = ATAG_RAMDISK; - tag->hdr.size = tag_size(tag_ramdisk); - tag->u.ramdisk.flags = (params->u1.s.flags & FLAG_RDLOAD ? 1 : 0) | - (params->u1.s.flags & FLAG_RDPROMPT ? 2 : 0); - tag->u.ramdisk.size = params->u1.s.ramdisk_size; - tag->u.ramdisk.start = params->u1.s.rd_start; - - tag = tag_next(tag); - tag->hdr.tag = ATAG_INITRD; - tag->hdr.size = tag_size(tag_initrd); - tag->u.initrd.start = params->u1.s.initrd_start; - tag->u.initrd.size = params->u1.s.initrd_size; - - tag = tag_next(tag); - tag->hdr.tag = ATAG_SERIAL; - tag->hdr.size = tag_size(tag_serialnr); - tag->u.serialnr.low = params->u1.s.system_serial_low; - tag->u.serialnr.high = params->u1.s.system_serial_high; - - tag = tag_next(tag); - tag->hdr.tag = ATAG_REVISION; - tag->hdr.size = tag_size(tag_revision); - tag->u.revision.rev = params->u1.s.system_rev; - - tag = memtag(tag, PHYS_OFFSET, params->u1.s.nr_pages * PAGE_SIZE); - - tag = tag_next(tag); - tag->hdr.tag = ATAG_ACORN; - tag->hdr.size = tag_size(tag_acorn); - tag->u.acorn.memc_control_reg = params->u1.s.memc_control_reg; - tag->u.acorn.vram_pages = params->u1.s.pages_in_vram; - tag->u.acorn.sounddefault = params->u1.s.sounddefault; - tag->u.acorn.adfsdrives = params->u1.s.adfsdrives; - - tag = tag_next(tag); - tag->hdr.tag = ATAG_CMDLINE; - tag->hdr.size = (strlen(params->commandline) + 3 + - sizeof(struct tag_header)) >> 2; - strcpy(tag->u.cmdline.cmdline, params->commandline); - - tag = tag_next(tag); - tag->hdr.tag = ATAG_NONE; - tag->hdr.size = 0; - - memmove(params, taglist, ((int)tag) - ((int)taglist) + - sizeof(struct tag_header)); -} - -void __init convert_to_tag_list(struct tag *tags) -{ - struct param_struct *params = (struct param_struct *)tags; - build_tag_list(params, ¶ms->u2); -} - -void __init squash_mem_tags(struct tag *tag) -{ - for (; tag->hdr.size; tag = tag_next(tag)) - if (tag->hdr.tag == ATAG_MEM) - tag->hdr.tag = ATAG_NONE; -} |