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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



             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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