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4871a10b7b
This is a test of specific piece of logic in isa207-common.c, which is only used on Power8 or later. So skip it on older CPUs. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200819015727.1977134-7-mpe@ellerman.id.au
52 lines
903 B
C
52 lines
903 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright 2014, Michael Ellerman, IBM Corp.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "event.h"
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#include "utils.h"
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#define MALLOC_SIZE (0x10000 * 10) /* Ought to be enough .. */
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/*
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* Tests that the L3 bank handling is correct. We fixed it in commit e9aaac1.
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*/
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static int l3_bank_test(void)
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{
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struct event event;
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char *p;
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int i;
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// The L3 bank logic is only used on Power8 or later
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SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_2_07));
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p = malloc(MALLOC_SIZE);
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FAIL_IF(!p);
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event_init(&event, 0x84918F);
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FAIL_IF(event_open(&event));
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for (i = 0; i < MALLOC_SIZE; i += 0x10000)
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p[i] = i;
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event_read(&event);
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event_report(&event);
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FAIL_IF(event.result.running == 0);
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FAIL_IF(event.result.enabled == 0);
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event_close(&event);
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free(p);
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return 0;
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}
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int main(void)
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{
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return test_harness(l3_bank_test, "l3_bank_test");
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}
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