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/*
* This file is part of the libpayload project.
*
* Copyright 2013 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.text
.align 6
.arm
.global exception_table
exception_table:
b 1f
b 2f
b 3f
b 4f
b 5f
b 6f
b 7f
b 8f
1:
mov sp, $0
b exception_common
2:
mov sp, $1
b exception_common
3:
mov sp, $2
b exception_common
4:
mov sp, $3
b exception_common
5:
mov sp, $4
b exception_common
6:
mov sp, $5
b exception_common
7:
mov sp, $6
b exception_common
8:
mov sp, $7
b exception_common
exception_common:
str sp, exception_idx
ldr sp, exception_stack_end
push { lr }
stmfd sp, { sp, lr }^
sub sp, sp, $8
push { r0 - r12 }
mrs r0, SPSR
push { r0 }
mov r0, sp
ldr r1, exception_idx
blx exception_dispatch
pop { r0 }
msr SPSR_cxsf, r0
pop { r0 - r12 }
add sp, sp, $8
ldmfd sp!, { pc }^
.align 2
.global exception_stack_end
exception_stack_end:
.word 0
exception_idx:
.word 0
.thumb
.global set_vbar
.thumb_func
set_vbar:
mcr p15, 0, r0, c12, c0, 0
bx lr
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