On 05/31/2010 02:17 PM, Sheng Yang wrote:
Only test legal action so far, we can extend it later.
The legal actions are tested by guests, so it's more important for unit
tests to check illegal (and potentially subversive) actions.
+
+void test_xsave()
+{
+ unsigned int cr4;
+ uint64_t supported_xcr0;
+ uint64_t test_bits;
+
+ supported_xcr0 = get_supported_xcr0();
+ printf("Supported XCR0 bits: 0x%x\n", supported_xcr0);
+
+ printf("Check minimal XSAVE required bits: ");
+ test_bits = XSTATE_FP | XSTATE_SSE | XSTATE_YMM;
+ pass_if((supported_xcr0& test_bits) == test_bits);
This will fail on a cpu without YMM but with xsave.
+
+int main()
+{
+ int cpuid_has_xsave;
+
+ cpuid_has_xsave = check_xsave();
+ if (cpuid_has_xsave) {
+ printf("CPU has XSAVE feature\n");
+ test_xsave();
+ } else
+ printf("CPU don't has XSAVE feature\n");
+ return 0;
Should return 1 if any failure for autotest integration.
+}
+
--
error compiling committee.c: too many arguments to function
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