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#include <stdio.h>
#include <stdlib.h>
#include <console.h>
#include <errno.h>
void perform_allocation(int align) {
int res = 0;
int size = 100;
void *ptr;
printf("Allocation aligned at 0x%05X bytes: ", align);
res = posix_memalign(&ptr, align, size);
switch (res) {
case 0:
printf("address 0x%08X\n", ptr);
break;
case EINVAL:
printf("EINVAL\n");
break;
case ENOMEM:
printf("ENOMEM\n");
break;
}
}
int main(int argc, char **argv) {
int align = 0x10000;
// Open a standard r/w console
openconsole(&dev_stdcon_r, &dev_stdcon_w);
while (align >= sizeof(void*)) {
perform_allocation(align);
align /= 2;
}
printf("\n");
while (align <= 0x10000) {
perform_allocation(align);
align *= 2;
}
return 0;
}
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