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lib/libsys/sparc64/sys/__sparc_utrap_gen.S
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/*- | |||||
* Copyright (c) 2001 Jake Burkholder. | |||||
* All rights reserved. | |||||
* | |||||
* 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. | |||||
* | |||||
* 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. | |||||
*/ | |||||
#include <machine/asm.h> | |||||
__FBSDID("$FreeBSD$"); | |||||
.register %g2, #ignore | |||||
.register %g3, #ignore | |||||
.register %g6, #ignore | |||||
.register %g7, #ignore | |||||
#include <machine/tstate.h> | |||||
#include <machine/utrap.h> | |||||
#include "assym.s" | |||||
ENTRY(__sparc_utrap_gen) | |||||
sub %sp, UF_SIZEOF, %sp | |||||
stx %o0, [%sp + SPOFF + CCFSZ + UF_TYPE] | |||||
stx %o3, [%sp + SPOFF + CCFSZ + UF_TAR] | |||||
stx %o4, [%sp + SPOFF + CCFSZ + UF_SFAR] | |||||
stx %o5, [%sp + SPOFF + CCFSZ + UF_SFSR] | |||||
stx %l4, [%sp + SPOFF + CCFSZ + UF_FSR] | |||||
stx %l5, [%sp + SPOFF + CCFSZ + UF_STATE] | |||||
stx %l6, [%sp + SPOFF + CCFSZ + UF_PC] | |||||
stx %l7, [%sp + SPOFF + CCFSZ + UF_NPC] | |||||
stx %g1, [%sp + SPOFF + CCFSZ + UF_G1] | |||||
stx %g2, [%sp + SPOFF + CCFSZ + UF_G2] | |||||
stx %g3, [%sp + SPOFF + CCFSZ + UF_G3] | |||||
stx %g4, [%sp + SPOFF + CCFSZ + UF_G4] | |||||
stx %g5, [%sp + SPOFF + CCFSZ + UF_G5] | |||||
stx %g6, [%sp + SPOFF + CCFSZ + UF_G6] | |||||
stx %g7, [%sp + SPOFF + CCFSZ + UF_G7] | |||||
stx %i0, [%sp + SPOFF + CCFSZ + UF_O0] | |||||
stx %i1, [%sp + SPOFF + CCFSZ + UF_O1] | |||||
stx %i2, [%sp + SPOFF + CCFSZ + UF_O2] | |||||
stx %i3, [%sp + SPOFF + CCFSZ + UF_O3] | |||||
stx %i4, [%sp + SPOFF + CCFSZ + UF_O4] | |||||
stx %i5, [%sp + SPOFF + CCFSZ + UF_O5] | |||||
stx %i6, [%sp + SPOFF + CCFSZ + UF_O6] | |||||
stx %i7, [%sp + SPOFF + CCFSZ + UF_O7] | |||||
rd %y, %l6 | |||||
call __sparc_utrap | |||||
add %sp, SPOFF + CCFSZ, %o0 | |||||
wr %l6, 0, %y | |||||
ldx [%sp + SPOFF + CCFSZ + UF_G1], %g1 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_G2], %g2 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_G3], %g3 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_G4], %g4 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_G5], %g5 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_G6], %g6 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_G7], %g7 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_O0], %i0 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_O1], %i1 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_O2], %i2 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_O3], %i3 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_O4], %i4 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_O5], %i5 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_O6], %i6 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_O7], %i7 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_STATE], %l5 | |||||
! Restore %asi and %ccr from the passed tstate | |||||
srlx %l5, TSTATE_CCR_SHIFT, %l4 | |||||
and %l4, CCR_MASK, %l4 | |||||
wr %l4, 0, %ccr | |||||
srlx %l5, TSTATE_ASI_SHIFT, %l4 | |||||
and %l4, ASI_MASK, %l4 | |||||
wr %l4, 0, %asi | |||||
ldx [%sp + SPOFF + CCFSZ + UF_PC], %l6 | |||||
ldx [%sp + SPOFF + CCFSZ + UF_NPC], %l7 | |||||
jmpl %l6, %g0 | |||||
return %l7 | |||||
END(__sparc_utrap_gen) |