mailboxbomb/loader/exception_2200.s

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2015-09-03 05:13:18 +02:00
# Copyright 2008-2009 Segher Boessenkool <segher@kernel.crashing.org>
# This code is licensed to you under the terms of the GNU GPL, version 2;
# see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
.globl exception_2200_start, exception_2200_end
exception_2200_start:
# store all interesting regs
mfcr 0 ; stw 0,0x2080(0)
mfxer 0 ; stw 0,0x2084(0)
mflr 0 ; stw 0,0x2088(0)
mfctr 0 ; stw 0,0x208c(0)
mfsrr0 0 ; stw 0,0x2090(0)
mfsrr1 0 ; stw 0,0x2094(0)
mfdar 0 ; stw 0,0x2098(0)
mfdsisr 0 ; stw 0,0x209c(0)
# switch on FP, DR, IR
mfmsr 0 ; ori 0,0,0x2030 ; mtsrr1 0
# go to C handler
lis 0,exception_handler@h ; ori 0,0,exception_handler@l ; mtsrr0 0
rfi
exception_2200_end: