__sparc_utrap_gen.S revision 91159
1/*- 2 * Copyright (c) 2001 Jake Burkholder. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#if defined(SYSLIBC_RCS) && !defined(lint) 28 .text 29 .asciz "$FreeBSD: head/lib/libc/sparc64/sys/__sparc_utrap_gen.S 91159 2002-02-23 19:00:30Z jake $" 30#endif /* SYSLIBC_RCS and not lint */ 31 32 .register %g2, #ignore 33 .register %g3, #ignore 34 .register %g6, #ignore 35 .register %g7, #ignore 36 37#include <machine/asm.h> 38#include <machine/tstate.h> 39#include <machine/utrap.h> 40 41#include "assym.s" 42 43ENTRY(__sparc_utrap_gen) 44 sub %sp, UF_SIZEOF, %sp 45 46 stx %o0, [%sp + SPOFF + CCFSZ + UF_TYPE] 47 stx %o3, [%sp + SPOFF + CCFSZ + UF_TAR] 48 stx %o4, [%sp + SPOFF + CCFSZ + UF_SFAR] 49 stx %o5, [%sp + SPOFF + CCFSZ + UF_SFSR] 50 51 stx %l4, [%sp + SPOFF + CCFSZ + UF_FSR] 52 stx %l5, [%sp + SPOFF + CCFSZ + UF_STATE] 53 stx %l6, [%sp + SPOFF + CCFSZ + UF_PC] 54 stx %l7, [%sp + SPOFF + CCFSZ + UF_NPC] 55 56 stx %g1, [%sp + SPOFF + CCFSZ + UF_G1] 57 stx %g2, [%sp + SPOFF + CCFSZ + UF_G2] 58 stx %g3, [%sp + SPOFF + CCFSZ + UF_G3] 59 stx %g4, [%sp + SPOFF + CCFSZ + UF_G4] 60 stx %g5, [%sp + SPOFF + CCFSZ + UF_G5] 61 stx %g6, [%sp + SPOFF + CCFSZ + UF_G6] 62 stx %g7, [%sp + SPOFF + CCFSZ + UF_G7] 63 64 stx %i0, [%sp + SPOFF + CCFSZ + UF_O0] 65 stx %i1, [%sp + SPOFF + CCFSZ + UF_O1] 66 stx %i2, [%sp + SPOFF + CCFSZ + UF_O2] 67 stx %i3, [%sp + SPOFF + CCFSZ + UF_O3] 68 stx %i4, [%sp + SPOFF + CCFSZ + UF_O4] 69 stx %i5, [%sp + SPOFF + CCFSZ + UF_O5] 70 stx %i6, [%sp + SPOFF + CCFSZ + UF_O6] 71 stx %i7, [%sp + SPOFF + CCFSZ + UF_O7] 72 73 call __sparc_utrap 74 add %sp, SPOFF + CCFSZ, %o0 75 76 ldx [%sp + SPOFF + CCFSZ + UF_G1], %g1 77 ldx [%sp + SPOFF + CCFSZ + UF_G2], %g2 78 ldx [%sp + SPOFF + CCFSZ + UF_G3], %g3 79 ldx [%sp + SPOFF + CCFSZ + UF_G4], %g4 80 ldx [%sp + SPOFF + CCFSZ + UF_G5], %g5 81 ldx [%sp + SPOFF + CCFSZ + UF_G6], %g6 82 ldx [%sp + SPOFF + CCFSZ + UF_G7], %g7 83 84 ldx [%sp + SPOFF + CCFSZ + UF_O0], %i0 85 ldx [%sp + SPOFF + CCFSZ + UF_O1], %i1 86 ldx [%sp + SPOFF + CCFSZ + UF_O2], %i2 87 ldx [%sp + SPOFF + CCFSZ + UF_O3], %i3 88 ldx [%sp + SPOFF + CCFSZ + UF_O4], %i4 89 ldx [%sp + SPOFF + CCFSZ + UF_O5], %i5 90 ldx [%sp + SPOFF + CCFSZ + UF_O6], %i6 91 ldx [%sp + SPOFF + CCFSZ + UF_O7], %i7 92 93 ldx [%sp + SPOFF + CCFSZ + UF_STATE], %l5 94 ! Restore %asi and %ccr from the passed tstate 95 srlx %l5, TSTATE_CCR_SHIFT, %l4 96 and %l4, CCR_MASK, %l4 97 wr %l4, 0, %ccr 98 srlx %l5, TSTATE_ASI_SHIFT, %l4 99 and %l4, ASI_MASK, %l4 100 wr %l4, 0, %asi 101 ldx [%sp + SPOFF + CCFSZ + UF_PC], %l6 102 ldx [%sp + SPOFF + CCFSZ + UF_NPC], %l7 103 104 jmpl %l6, %g0 105 return %l7 106END(__sparc_utrap_gen) 107