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-rw-r--r--arch/alpha/boot/main.c191
1 files changed, 0 insertions, 191 deletions
diff --git a/arch/alpha/boot/main.c b/arch/alpha/boot/main.c
deleted file mode 100644
index 3baf2d1..0000000
--- a/arch/alpha/boot/main.c
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * arch/alpha/boot/main.c
- *
- * Copyright (C) 1994, 1995 Linus Torvalds
- *
- * This file is the bootloader for the Linux/AXP kernel
- */
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <generated/utsrelease.h>
-#include <linux/mm.h>
-
-#include <asm/console.h>
-#include <asm/hwrpb.h>
-#include <asm/pgtable.h>
-
-#include <stdarg.h>
-
-#include "ksize.h"
-
-extern int vsprintf(char *, const char *, va_list);
-extern unsigned long switch_to_osf_pal(unsigned long nr,
- struct pcb_struct * pcb_va, struct pcb_struct * pcb_pa,
- unsigned long *vptb);
-struct hwrpb_struct *hwrpb = INIT_HWRPB;
-static struct pcb_struct pcb_va[1];
-
-/*
- * Find a physical address of a virtual object..
- *
- * This is easy using the virtual page table address.
- */
-
-static inline void *
-find_pa(unsigned long *vptb, void *ptr)
-{
- unsigned long address = (unsigned long) ptr;
- unsigned long result;
-
- result = vptb[address >> 13];
- result >>= 32;
- result <<= 13;
- result |= address & 0x1fff;
- return (void *) result;
-}
-
-/*
- * This function moves into OSF/1 pal-code, and has a temporary
- * PCB for that. The kernel proper should replace this PCB with
- * the real one as soon as possible.
- *
- * The page table muckery in here depends on the fact that the boot
- * code has the L1 page table identity-map itself in the second PTE
- * in the L1 page table. Thus the L1-page is virtually addressable
- * itself (through three levels) at virtual address 0x200802000.
- */
-
-#define VPTB ((unsigned long *) 0x200000000)
-#define L1 ((unsigned long *) 0x200802000)
-
-void
-pal_init(void)
-{
- unsigned long i, rev;
- struct percpu_struct * percpu;
- struct pcb_struct * pcb_pa;
-
- /* Create the dummy PCB. */
- pcb_va->ksp = 0;
- pcb_va->usp = 0;
- pcb_va->ptbr = L1[1] >> 32;
- pcb_va->asn = 0;
- pcb_va->pcc = 0;
- pcb_va->unique = 0;
- pcb_va->flags = 1;
- pcb_va->res1 = 0;
- pcb_va->res2 = 0;
- pcb_pa = find_pa(VPTB, pcb_va);
-
- /*
- * a0 = 2 (OSF)
- * a1 = return address, but we give the asm the vaddr of the PCB
- * a2 = physical addr of PCB
- * a3 = new virtual page table pointer
- * a4 = KSP (but the asm sets it)
- */
- srm_printk("Switching to OSF PAL-code .. ");
-
- i = switch_to_osf_pal(2, pcb_va, pcb_pa, VPTB);
- if (i) {
- srm_printk("failed, code %ld\n", i);
- __halt();
- }
-
- percpu = (struct percpu_struct *)
- (INIT_HWRPB->processor_offset + (unsigned long) INIT_HWRPB);
- rev = percpu->pal_revision = percpu->palcode_avail[2];
-
- srm_printk("Ok (rev %lx)\n", rev);
-
- tbia(); /* do it directly in case we are SMP */
-}
-
-static inline long openboot(void)
-{
- char bootdev[256];
- long result;
-
- result = callback_getenv(ENV_BOOTED_DEV, bootdev, 255);
- if (result < 0)
- return result;
- return callback_open(bootdev, result & 255);
-}
-
-static inline long close(long dev)
-{
- return callback_close(dev);
-}
-
-static inline long load(long dev, unsigned long addr, unsigned long count)
-{
- char bootfile[256];
- extern char _end;
- long result, boot_size = &_end - (char *) BOOT_ADDR;
-
- result = callback_getenv(ENV_BOOTED_FILE, bootfile, 255);
- if (result < 0)
- return result;
- result &= 255;
- bootfile[result] = '\0';
- if (result)
- srm_printk("Boot file specification (%s) not implemented\n",
- bootfile);
- return callback_read(dev, count, (void *)addr, boot_size/512 + 1);
-}
-
-/*
- * Start the kernel.
- */
-static void runkernel(void)
-{
- __asm__ __volatile__(
- "bis %1,%1,$30\n\t"
- "bis %0,%0,$26\n\t"
- "ret ($26)"
- : /* no outputs: it doesn't even return */
- : "r" (START_ADDR),
- "r" (PAGE_SIZE + INIT_STACK));
-}
-
-void start_kernel(void)
-{
- long i;
- long dev;
- int nbytes;
- char envval[256];
-
- srm_printk("Linux/AXP bootloader for Linux " UTS_RELEASE "\n");
- if (INIT_HWRPB->pagesize != 8192) {
- srm_printk("Expected 8kB pages, got %ldkB\n", INIT_HWRPB->pagesize >> 10);
- return;
- }
- pal_init();
- dev = openboot();
- if (dev < 0) {
- srm_printk("Unable to open boot device: %016lx\n", dev);
- return;
- }
- dev &= 0xffffffff;
- srm_printk("Loading vmlinux ...");
- i = load(dev, START_ADDR, KERNEL_SIZE);
- close(dev);
- if (i != KERNEL_SIZE) {
- srm_printk("Failed (%lx)\n", i);
- return;
- }
-
- nbytes = callback_getenv(ENV_BOOTED_OSFLAGS, envval, sizeof(envval));
- if (nbytes < 0) {
- nbytes = 0;
- }
- envval[nbytes] = '\0';
- strcpy((char*)ZERO_PGE, envval);
-
- srm_printk(" Ok\nNow booting the kernel\n");
- runkernel();
- for (i = 0 ; i < 0x100000000 ; i++)
- /* nothing */;
- __halt();
-}