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Fix check for mmap()'able low mem globals

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This commit is contained in:
gbeauche 2003-05-13 16:33:06 +00:00
parent ffd603b472
commit f5a1a93d2c
1 changed files with 2 additions and 2 deletions
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4
BasiliskII/src/Unix/configure.ac
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@ -553,9 +553,9 @@ AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
AC_TRY_RUN([
#include "vm_alloc.cpp"
int main(void) { /* returns 0 if we could map the lowmem globals */
volatile char * lm;
volatile char * lm = 0;
if (vm_init() < 0) exit(1);
if ((lm = (volatile char *)vm_acquire_fixed(0, 0x2000)) == VM_MAP_FAILED) exit(1);
if (vm_acquire_fixed(0, 0x2000) < 0) exit(1);
lm[0] = 'z';
if (vm_release((char *)lm, 0x2000) < 0) exit(1);
vm_exit(); exit(0);