mirror of https://gitee.com/openkylin/qemu.git
34 lines
668 B
C
34 lines
668 B
C
/*
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#notarget: cris*-*-elf
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*/
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#define _GNU_SOURCE
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <sys/mman.h>
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int main (int argc, char *argv[])
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{
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volatile unsigned char *a;
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/* Check that we can map a non-multiple of a page and still get a full page. */
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a = mmap (NULL, 0x4c, PROT_READ | PROT_WRITE | PROT_EXEC,
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MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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if (a == NULL || a == (unsigned char *) -1)
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abort ();
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a[0] = 0xbe;
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a[8191] = 0xef;
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memset ((char *) a + 1, 0, 8190);
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if (a[0] != 0xbe || a[8191] != 0xef)
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abort ();
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printf ("pass\n");
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exit (0);
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}
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