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Diffstat (limited to 'arch/ppc/boot/openfirmware/coffmain.c')
-rw-r--r--arch/ppc/boot/openfirmware/coffmain.c101
1 files changed, 0 insertions, 101 deletions
diff --git a/arch/ppc/boot/openfirmware/coffmain.c b/arch/ppc/boot/openfirmware/coffmain.c
deleted file mode 100644
index 2da8855..0000000
--- a/arch/ppc/boot/openfirmware/coffmain.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright (C) Paul Mackerras 1997.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#include <linux/string.h>
-#include <asm/processor.h>
-#include <asm/page.h>
-
-#include "nonstdio.h"
-#include "of1275.h"
-
-/* Passed from the linker */
-extern char __image_begin, __image_end;
-extern char __ramdisk_begin[], __ramdisk_end;
-extern char _start, _end;
-
-extern char image_data[], initrd_data[];
-extern int initrd_len, image_len;
-extern unsigned int heap_max;
-extern void flush_cache(void *start, unsigned int len);
-extern void gunzip(void *, int, unsigned char *, int *);
-extern void make_bi_recs(unsigned long addr, char *name, unsigned int mach,
- unsigned int progend);
-extern void setup_bats(unsigned long start);
-
-char *avail_ram;
-char *begin_avail, *end_avail;
-char *avail_high;
-
-#define SCRATCH_SIZE (128 << 10)
-
-static char heap[SCRATCH_SIZE];
-
-static unsigned long ram_start = 0;
-static unsigned long ram_end = 0x1000000;
-
-static unsigned long prog_start = 0x800000;
-static unsigned long prog_size = 0x700000;
-
-typedef void (*kernel_start_t)(int, int, void *);
-
-void boot(int a1, int a2, void *prom)
-{
- unsigned sa, len;
- void *dst;
- unsigned char *im;
- unsigned initrd_start, initrd_size;
-
- printf("coffboot starting: loaded at 0x%p\n", &_start);
- setup_bats(ram_start);
-
- initrd_size = (char *)(&__ramdisk_end) - (char *)(&__ramdisk_begin);
- if (initrd_size) {
- initrd_start = (ram_end - initrd_size) & ~0xFFF;
- a1 = initrd_start;
- a2 = initrd_size;
- claim(initrd_start, ram_end - initrd_start, 0);
- printf("initial ramdisk moving 0x%x <- 0x%p (%x bytes)\n\r",
- initrd_start, (char *)(&__ramdisk_begin), initrd_size);
- memcpy((char *)initrd_start, (char *)(&__ramdisk_begin), initrd_size);
- prog_size = initrd_start - prog_start;
- } else
- a2 = 0xdeadbeef;
-
- im = (char *)(&__image_begin);
- len = (char *)(&__image_end) - (char *)(&__image_begin);
- /* claim 4MB starting at PROG_START */
- claim(prog_start, prog_size, 0);
- map(prog_start, prog_start, prog_size);
- dst = (void *) prog_start;
- if (im[0] == 0x1f && im[1] == 0x8b) {
- /* set up scratch space */
- begin_avail = avail_high = avail_ram = heap;
- end_avail = heap + sizeof(heap);
- printf("heap at 0x%p\n", avail_ram);
- printf("gunzipping (0x%p <- 0x%p:0x%p)...", dst, im, im+len);
- gunzip(dst, prog_size, im, &len);
- printf("done %u bytes\n", len);
- printf("%u bytes of heap consumed, max in use %u\n",
- avail_high - begin_avail, heap_max);
- } else {
- memmove(dst, im, len);
- }
-
- flush_cache(dst, len);
- make_bi_recs(((unsigned long) dst + len), "coffboot", _MACH_Pmac,
- (prog_start + prog_size));
-
- sa = (unsigned long)prog_start;
- printf("start address = 0x%x\n", sa);
-
- (*(kernel_start_t)sa)(a1, a2, prom);
-
- printf("returned?\n");
-
- pause();
-}
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