symbian-qemu-0.9.1-12/qemu-symbian-svp/tests/cris/check_mmap3.c
author Mike Kinghan <mikek@symbian.org>
Wed, 04 Aug 2010 10:56:22 +0100
branchGCC_SURGE
changeset 91 07b904f40417
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Provisional fix for bug 3508 - Persistent storage support breaks Linux compatibility. Enables libnvmemmory.so to be built and dynamically linked on Linux and rom boot reports persistent storage image created OK, but ROM then crashes.
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/*
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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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}