From: Wei Yongjun <yjwei@cn.fujitsu.com>
To: Avi Kivity <avi@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org
Subject: [PATCH] test: add test for btc instruction
Date: Thu, 05 Aug 2010 14:09:15 +0800 [thread overview]
Message-ID: <4C5A558B.1070804@cn.fujitsu.com> (raw)
This patch add test for btc instruction.
Signed-off-by: Wei Yongjun<yjwei@cn.fujitsu.com>
---
x86/emulator.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/x86/emulator.c b/x86/emulator.c
index eefb764..e278812 100644
--- a/x86/emulator.c
+++ b/x86/emulator.c
@@ -360,6 +360,21 @@ void test_xchg(void *mem)
rax == 0x123456789abcdef && *memq == 0xfedcba9876543210);
}
+void test_btc(void *mem)
+{
+ unsigned int *a = mem;
+
+ memset(mem, 0, 3 * sizeof(unsigned int));
+
+ asm ("btcl $32, %0" :: "m"(a[0]) : "memory");
+ asm ("btcl $1, %0" :: "m"(a[1]) : "memory");
+ asm ("btcl %1, %0" :: "m"(a[0]), "r"(66) : "memory");
+ report("btcl imm8, r/m", a[0] == 1 && a[1] == 2 && a[2] == 4);
+
+ asm ("btcl %1, %0" :: "m"(a[3]), "r"(-1) : "memory");
+ report("btcl reg, r/m", a[0] == 1 && a[1] == 2 && a[2] == 0x80000004);
+}
+
int main()
{
void *mem;
@@ -391,6 +406,7 @@ int main()
test_ljmp(mem);
test_stringio();
test_incdecnotneg(mem);
+ test_btc(mem);
printf("\nSUMMARY: %d tests, %d failures\n", tests, fails);
return fails ? 1 : 0;
--
1.7.0.4
next reply other threads:[~2010-08-05 6:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-05 6:09 Wei Yongjun [this message]
2010-08-05 8:51 ` [PATCH] test: add test for btc instruction Avi Kivity
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