9f7425c152
Tests arm64 specific, contiguous bit based large pages as well. Change-Id: I09edad8cfde6c23a259f1f32cfc97974d9cb63c3
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
#include <stdio.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <sys/wait.h>
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#include <sys/mman.h>
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#include <sys/shm.h>
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#include "../util.h"
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#define TARGET_PAGE_SHIFT 30
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#define TARGET_PAGE_SIZE (1UL << TARGET_PAGE_SHIFT)
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/* .data */
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char addr_data[TARGET_PAGE_SIZE] = { 1 };
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/* .bss */
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char addr_bss[TARGET_PAGE_SIZE];
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int main(int argc, char **argv)
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{
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int trial_num = 0;
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char addr_stack[TARGET_PAGE_SIZE];
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/* .data */
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addr_data[0] = 'z';
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NG(__atomic_load_n(addr_data, __ATOMIC_SEQ_CST) == 'z',
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"memory access failed\n");
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printf("large page request, trial#: %03d, addr: %016lx, size: %ld\n",
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trial_num++, (unsigned long)addr_data, TARGET_PAGE_SIZE);
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/* .bss */
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addr_bss[0] = 'z';
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NG(__atomic_load_n(addr_bss, __ATOMIC_SEQ_CST) == 'z',
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"memory access failed\n");
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printf("large page request, trial#: %03d, addr: %016lx, size: %ld\n",
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trial_num++, (unsigned long)addr_bss, TARGET_PAGE_SIZE);
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/* stack */
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addr_stack[0] = 'z';
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NG(__atomic_load_n(addr_stack, __ATOMIC_SEQ_CST) == 'z',
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"memory access failed\n");
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printf("large page request, trial#: %03d, addr: %016lx, size: %ld\n",
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trial_num++, (unsigned long)addr_stack, TARGET_PAGE_SIZE);
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return 0;
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fn_fail:
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return 1;
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}
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