2 * Copyright (c) 2001 Jake Burkholder.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include <machine/asm.h>
28 __FBSDID("$FreeBSD$");
30 .register %g2, #ignore
31 .register %g3, #ignore
32 .register %g6, #ignore
33 .register %g7, #ignore
35 #include <machine/tstate.h>
36 #include <machine/utrap.h>
40 ENTRY(__sparc_utrap_gen)
43 ta %xcc, ST_FPEMU_CONTEXT
45 sub %sp, UF_SIZEOF, %sp
47 stx %o0, [%sp + SPOFF + CCFSZ + UF_TYPE]
48 stx %o3, [%sp + SPOFF + CCFSZ + UF_TAR]
49 stx %o4, [%sp + SPOFF + CCFSZ + UF_SFAR]
50 stx %o5, [%sp + SPOFF + CCFSZ + UF_SFSR]
52 stx %l4, [%sp + SPOFF + CCFSZ + UF_FSR]
53 stx %l5, [%sp + SPOFF + CCFSZ + UF_STATE]
54 stx %l6, [%sp + SPOFF + CCFSZ + UF_PC]
55 stx %l7, [%sp + SPOFF + CCFSZ + UF_NPC]
57 stx %g1, [%sp + SPOFF + CCFSZ + UF_G1]
58 stx %g2, [%sp + SPOFF + CCFSZ + UF_G2]
59 stx %g3, [%sp + SPOFF + CCFSZ + UF_G3]
60 stx %g4, [%sp + SPOFF + CCFSZ + UF_G4]
61 stx %g5, [%sp + SPOFF + CCFSZ + UF_G5]
62 stx %g6, [%sp + SPOFF + CCFSZ + UF_G6]
63 stx %g7, [%sp + SPOFF + CCFSZ + UF_G7]
65 stx %i0, [%sp + SPOFF + CCFSZ + UF_O0]
66 stx %i1, [%sp + SPOFF + CCFSZ + UF_O1]
67 stx %i2, [%sp + SPOFF + CCFSZ + UF_O2]
68 stx %i3, [%sp + SPOFF + CCFSZ + UF_O3]
69 stx %i4, [%sp + SPOFF + CCFSZ + UF_O4]
70 stx %i5, [%sp + SPOFF + CCFSZ + UF_O5]
71 stx %i6, [%sp + SPOFF + CCFSZ + UF_O6]
72 stx %i7, [%sp + SPOFF + CCFSZ + UF_O7]
77 add %sp, SPOFF + CCFSZ, %o0
81 ldx [%sp + SPOFF + CCFSZ + UF_G1], %g1
82 ldx [%sp + SPOFF + CCFSZ + UF_G2], %g2
83 ldx [%sp + SPOFF + CCFSZ + UF_G3], %g3
84 ldx [%sp + SPOFF + CCFSZ + UF_G4], %g4
85 ldx [%sp + SPOFF + CCFSZ + UF_G5], %g5
86 ldx [%sp + SPOFF + CCFSZ + UF_G6], %g6
87 ldx [%sp + SPOFF + CCFSZ + UF_G7], %g7
89 ldx [%sp + SPOFF + CCFSZ + UF_O0], %i0
90 ldx [%sp + SPOFF + CCFSZ + UF_O1], %i1
91 ldx [%sp + SPOFF + CCFSZ + UF_O2], %i2
92 ldx [%sp + SPOFF + CCFSZ + UF_O3], %i3
93 ldx [%sp + SPOFF + CCFSZ + UF_O4], %i4
94 ldx [%sp + SPOFF + CCFSZ + UF_O5], %i5
95 ldx [%sp + SPOFF + CCFSZ + UF_O6], %i6
96 ldx [%sp + SPOFF + CCFSZ + UF_O7], %i7
98 ldx [%sp + SPOFF + CCFSZ + UF_STATE], %l5
99 ! Restore %asi and %ccr from the passed tstate
100 srlx %l5, TSTATE_CCR_SHIFT, %l4
101 and %l4, CCR_MASK, %l4
103 srlx %l5, TSTATE_ASI_SHIFT, %l4
104 and %l4, ASI_MASK, %l4
106 ldx [%sp + SPOFF + CCFSZ + UF_PC], %l6
107 ldx [%sp + SPOFF + CCFSZ + UF_NPC], %l7
111 END(__sparc_utrap_gen)