Make a start at a regression test for the unaligned trap handler.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=85197
6
tools/regression/ia64_unaligned/Makefile
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6
tools/regression/ia64_unaligned/Makefile
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# $FreeBSD$
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PROG= unaligned
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NOMAN= t
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.include <bsd.prog.mk>
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131
tools/regression/ia64_unaligned/unaligned.c
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131
tools/regression/ia64_unaligned/unaligned.c
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/*-
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* Copyright (c) 2001 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <stdlib.h>
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#include <stdio.h>
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static u_int64_t ld2(char** pp, int add)
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{
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u_int64_t p = (u_int64_t) *pp;
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u_int64_t v;
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__asm __volatile("ld2 %0=[%1]" : "=r" (v) : "r" (p));
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return v;
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}
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static u_int64_t ld4(char** pp, int add)
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{
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u_int64_t p = (u_int64_t) *pp;
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u_int64_t v;
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__asm __volatile("ld4 %0=[%1]" : "=r" (v) : "r" (p));
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return v;
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}
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static u_int64_t ld8(char** pp, int add)
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{
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u_int64_t p = (u_int64_t) *pp;
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u_int64_t v;
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__asm __volatile("ld8 %0=[%1]" : "=r" (v) : "r" (p));
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return v;
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}
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static u_int64_t ld8_reg(char** pp, int add)
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{
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u_int64_t p = (u_int64_t) *pp;
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u_int64_t v;
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__asm __volatile("ld8 %0=[%1],%3"
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: "=r" (v), "=r" (p)
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: "1" (p), "r" (add));
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*pp = (char*) p;
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return v;
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}
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static u_int64_t ld8_8(char** pp, int add)
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{
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u_int64_t p = (u_int64_t) *pp;
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u_int64_t v;
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__asm __volatile("ld8 %0=[%1],8"
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: "=r" (v), "=r" (p)
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: "1" (p));
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*pp = (char*) p;
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return v;
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}
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struct load_test {
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u_int64_t (*ldfunc)(char**, int);
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int off, add;
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u_int64_t value;
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};
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char testbuf[16] = {
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0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,
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0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff
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};
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struct load_test tests[] = {
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{ld8, 1, 0, 0x8877665544332211L},
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{ld8, 2, 0, 0x9988776655443322L},
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{ld4, 1, 0, 0x44332211L},
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{ld4, 2, 0, 0x55443322L},
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{ld2, 1, 0, 0x2211L},
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{ld8_reg, 1, 4, 0x8877665544332211L},
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{ld8_8, 1, 8, 0x8877665544332211L},
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};
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int
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main(int argc, char** argv)
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{
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int verbose = 0;
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int passed = 1;
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int i;
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if (argc == 2 && !strcmp(argv[1], "-v"))
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verbose = 1;
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for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
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struct load_test *tp = &tests[i];
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char* p;
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u_int64_t value;
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p = &testbuf[tp->off];
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value = tp->ldfunc(&p, tp->add);
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if (verbose)
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printf("read 0x%lx, expected 0x%lx\n",
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value, tp->value);
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if (value != tp->value)
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passed = 0;
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if (p - &testbuf[tp->off] != tp->add) {
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printf("postincrement was %d, %d expected\n",
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p - &testbuf[tp->off], tp->add);
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passed = 0;
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}
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}
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if (passed)
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printf("passed\n");
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else
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printf("failed\n");
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}
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