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powerpc/sstep: Fix emulate_step test if VSX not present 

emulate_step() tests are failing if VSX is not supported or disabled.

  emulate_step_test: lxvd2x         : FAIL
  emulate_step_test: stxvd2x        : FAIL

If !CPU_FTR_VSX, emulate_step() failure is expected and testcase should
PASS with a valid justification. After patch:

  emulate_step_test: lxvd2x         : PASS (!CPU_FTR_VSX)
  emulate_step_test: stxvd2x        : PASS (!CPU_FTR_VSX)

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
hifive-unleashed-5.1
Ravi Bangoria 2018-05-21 09:51:08 +05:30 committed by Michael Ellerman
parent 83afab4ce0
commit 5a61640e32
1 changed files with 15 additions and 6 deletions
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21
arch/powerpc/lib/test_emulate_step.c
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@ -387,10 +387,14 @@ static void __init test_lxvd2x_stxvd2x(void)
/* lxvd2x vsr39, r3, r4 */
stepped = emulate_step(&regs, TEST_LXVD2X(39, 3, 4));
if (stepped == 1)
if (stepped == 1 && cpu_has_feature(CPU_FTR_VSX)) {
show_result("lxvd2x", "PASS");
else
show_result("lxvd2x", "FAIL");
} else {
if (!cpu_has_feature(CPU_FTR_VSX))
show_result("lxvd2x", "PASS (!CPU_FTR_VSX)");
else
show_result("lxvd2x", "FAIL");
}
/*** stxvd2x ***/
@ -404,10 +408,15 @@ static void __init test_lxvd2x_stxvd2x(void)
stepped = emulate_step(&regs, TEST_STXVD2X(39, 3, 4));
if (stepped == 1 && cached_b[0] == c.b[0] && cached_b[1] == c.b[1] &&
cached_b[2] == c.b[2] && cached_b[3] == c.b[3])
cached_b[2] == c.b[2] && cached_b[3] == c.b[3] &&
cpu_has_feature(CPU_FTR_VSX)) {
show_result("stxvd2x", "PASS");
else
show_result("stxvd2x", "FAIL");
} else {
if (!cpu_has_feature(CPU_FTR_VSX))
show_result("stxvd2x", "PASS (!CPU_FTR_VSX)");
else
show_result("stxvd2x", "FAIL");
}
}
#else
static void __init test_lxvd2x_stxvd2x(void)