diff options
Diffstat (limited to 'arch/mn10300/kernel/profile-low.S')
-rw-r--r-- | arch/mn10300/kernel/profile-low.S | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/arch/mn10300/kernel/profile-low.S b/arch/mn10300/kernel/profile-low.S deleted file mode 100644 index 94ffac12d02d..000000000000 --- a/arch/mn10300/kernel/profile-low.S +++ /dev/null @@ -1,72 +0,0 @@ -############################################################################### -# -# Fast profiling interrupt handler -# -# Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. -# Written by David Howells (dhowells@redhat.com) -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public Licence -# as published by the Free Software Foundation; either version -# 2 of the Licence, or (at your option) any later version. -# -############################################################################### -#include <linux/sys.h> -#include <linux/linkage.h> -#include <asm/segment.h> -#include <asm/smp.h> -#include <asm/intctl-regs.h> -#include <asm/timer-regs.h> - -#define pi break - - .balign 4 -counter: - .long -1 - -############################################################################### -# -# Profiling interrupt entry point -# - intended to run at interrupt priority 1 -# -############################################################################### -ENTRY(profile_handler) - movm [d2,d3,a2],(sp) - - # ignore userspace - mov (12,sp),d2 - and EPSW_nSL,d2 - bne out - - # do nothing if there's no buffer - mov (prof_buffer),a2 - and a2,a2 - beq out - or 0x20000000,a2 - - # calculate relative position in text segment - mov (16,sp),d2 - sub _stext,d2 - mov (prof_shift),d3 - lsr d3,d2 - mov (prof_len),d3 - cmp d3,d2 - bcc outside_text - - # increment the appropriate profile bucket -do_inc: - asl2 d2 - mov (a2,d2),d3 - inc d3 - mov d3,(a2,d2) -out: - mov GxICR_DETECT,d2 - movbu d2,(TM11ICR) # ACK the interrupt - movbu (TM11ICR),d2 - movm (sp),[d2,d3,a2] - rti - -outside_text: - sub 1,d3 - mov d3,d2 - bra do_inc |