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-rw-r--r--arch/ppc/kernel/relocate_kernel.S123
1 files changed, 0 insertions, 123 deletions
diff --git a/arch/ppc/kernel/relocate_kernel.S b/arch/ppc/kernel/relocate_kernel.S
deleted file mode 100644
index 9b2ad48e988..00000000000
--- a/arch/ppc/kernel/relocate_kernel.S
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * relocate_kernel.S - put the kernel image in place to boot
- * Copyright (C) 2002-2003 Eric Biederman <ebiederm@xmission.com>
- *
- * GameCube/ppc32 port Copyright (C) 2004 Albert Herranz
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2. See the file COPYING for more details.
- */
-
-#include <asm/reg.h>
-#include <asm/ppc_asm.h>
-#include <asm/processor.h>
-
-#include <asm/kexec.h>
-
-#define PAGE_SIZE 4096 /* must be same value as in <asm/page.h> */
-
- /*
- * Must be relocatable PIC code callable as a C function.
- */
- .globl relocate_new_kernel
-relocate_new_kernel:
- /* r3 = page_list */
- /* r4 = reboot_code_buffer */
- /* r5 = start_address */
-
- li r0, 0
-
- /*
- * Set Machine Status Register to a known status,
- * switch the MMU off and jump to 1: in a single step.
- */
-
- mr r8, r0
- ori r8, r8, MSR_RI|MSR_ME
- mtspr SPRN_SRR1, r8
- addi r8, r4, 1f - relocate_new_kernel
- mtspr SPRN_SRR0, r8
- sync
- rfi
-
-1:
- /* from this point address translation is turned off */
- /* and interrupts are disabled */
-
- /* set a new stack at the bottom of our page... */
- /* (not really needed now) */
- addi r1, r4, KEXEC_CONTROL_CODE_SIZE - 8 /* for LR Save+Back Chain */
- stw r0, 0(r1)
-
- /* Do the copies */
- li r6, 0 /* checksum */
- mr r0, r3
- b 1f
-
-0: /* top, read another word for the indirection page */
- lwzu r0, 4(r3)
-
-1:
- /* is it a destination page? (r8) */
- rlwinm. r7, r0, 0, 31, 31 /* IND_DESTINATION (1<<0) */
- beq 2f
-
- rlwinm r8, r0, 0, 0, 19 /* clear kexec flags, page align */
- b 0b
-
-2: /* is it an indirection page? (r3) */
- rlwinm. r7, r0, 0, 30, 30 /* IND_INDIRECTION (1<<1) */
- beq 2f
-
- rlwinm r3, r0, 0, 0, 19 /* clear kexec flags, page align */
- subi r3, r3, 4
- b 0b
-
-2: /* are we done? */
- rlwinm. r7, r0, 0, 29, 29 /* IND_DONE (1<<2) */
- beq 2f
- b 3f
-
-2: /* is it a source page? (r9) */
- rlwinm. r7, r0, 0, 28, 28 /* IND_SOURCE (1<<3) */
- beq 0b
-
- rlwinm r9, r0, 0, 0, 19 /* clear kexec flags, page align */
-
- li r7, PAGE_SIZE / 4
- mtctr r7
- subi r9, r9, 4
- subi r8, r8, 4
-9:
- lwzu r0, 4(r9) /* do the copy */
- xor r6, r6, r0
- stwu r0, 4(r8)
- dcbst 0, r8
- sync
- icbi 0, r8
- bdnz 9b
-
- addi r9, r9, 4
- addi r8, r8, 4
- b 0b
-
-3:
-
- /* To be certain of avoiding problems with self-modifying code
- * execute a serializing instruction here.
- */
- isync
- sync
-
- /* jump to the entry point, usually the setup routine */
- mtlr r5
- blrl
-
-1: b 1b
-
-relocate_new_kernel_end:
-
- .globl relocate_new_kernel_size
-relocate_new_kernel_size:
- .long relocate_new_kernel_end - relocate_new_kernel
-