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Ignore whitespace Rev 500 → Rev 501

/kernel/trunk/arch/sparc64/src/context.S
0,0 → 1,90
#
# Copyright (C) 2005 Jakub Jermar
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - 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.
# - 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 ``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 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.
#
 
#include <arch/context_offset.h>
.text
 
.global context_save_arch
.global context_restore_arch
 
.macro CONTEXT_STORE r
stx %l0, [\r + OFFSET_L0]
stx %l1, [\r + OFFSET_L1]
stx %l2, [\r + OFFSET_L2]
stx %l3, [\r + OFFSET_L3]
stx %l4, [\r + OFFSET_L4]
stx %l5, [\r + OFFSET_L5]
stx %l6, [\r + OFFSET_L6]
stx %l7, [\r + OFFSET_L7]
stx %i1, [\r + OFFSET_I1]
stx %i2, [\r + OFFSET_I2]
stx %i3, [\r + OFFSET_I3]
stx %i4, [\r + OFFSET_I4]
stx %i5, [\r + OFFSET_I5]
stx %i6, [\r + OFFSET_SP]
stx %i7, [\r + OFFSET_PC]
.endm
 
.macro CONTEXT_LOAD r
ldx [\r + OFFSET_L0], %l0
ldx [\r + OFFSET_L1], %l1
ldx [\r + OFFSET_L2], %l2
ldx [\r + OFFSET_L3], %l3
ldx [\r + OFFSET_L4], %l4
ldx [\r + OFFSET_L5], %l5
ldx [\r + OFFSET_L6], %l6
ldx [\r + OFFSET_L7], %l7
ldx [\r + OFFSET_I1], %i1
ldx [\r + OFFSET_I2], %i2
ldx [\r + OFFSET_I3], %i3
ldx [\r + OFFSET_I4], %i4
ldx [\r + OFFSET_I5], %i5
ldx [\r + OFFSET_SP], %i6
ldx [\r + OFFSET_PC], %i7
ldx [\r + OFFSET_SP], %sp
.endm
 
context_save_arch:
save %sp, -128, %sp
CONTEXT_STORE %i0
 
# context_save returns 1
mov 1, %i0
ret
restore %sp, 128, %sp
context_restore_arch:
save %sp, -128, %sp
CONTEXT_LOAD %i0
 
# context_restore returns 0
xor %i0, %i0, %i0
ret
restore %sp, 128, %sp