patch-2.4.19 linux-2.4.19/arch/ppc/boot/tree/misc.S

• Lines: 44
• Date: Wed Dec 31 16:00:00 1969
• Orig file: linux-2.4.18/arch/ppc/boot/tree/misc.S
• Orig date: Thu May 24 15:02:07 2001

diff -urN linux-2.4.18/arch/ppc/boot/tree/misc.S linux-2.4.19/arch/ppc/boot/tree/misc.S
@@ -1,43 +0,0 @@
-/*
- * BK Id: SCCS/s.misc.S 1.7 05/18/01 06:20:29 patch
- */
-/*
- * 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 "../../kernel/ppc_asm.tmpl"
-
-	.text
-
-/*
- * Flush the dcache and invalidate the icache for a range of addresses.
- *
- * flush_cache(addr, len)
- */
-	.global	flush_cache
-flush_cache:
-	mfpvr	r5			# Get processor version register
-	extrwi	r5,r5,16,0		# Get the version bits
-	cmpwi	cr0,r5,0x0020		# Is this a 403-based processor?
-	beq	1f			# Yes, it is
-	li	r5,32			# It is not a 403, set to 32 bytes
-	addi	r4,r4,32-1		# len += line_size - 1
-	srwi.	r4,r4,5			# Convert from bytes to lines
-	b	2f
-1:	li	r5,16			# It is a 403, set to 16 bytes
-	addi	r4,r4,16-1		# len += line_size - 1
-	srwi.	r4,r4,4			# Convert from bytes to lines
-2:	mtctr	r4			# Set-up the counter register
-	beqlr				# If it is 0, we are done
-3:	dcbf	r0,r3			# Flush and invalidate the data line
-	icbi	r0,r3			# Invalidate the instruction line
-	add	r3,r3,r5		# Move to the next line
-	bdnz	3b			# Are we done yet?
-	sync
-	isync
-	blr				# Return to the caller