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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2003-05-10 21:39:12 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2003-05-10 21:39:12 +0000
commit288426fe3c50857752ca6e2d24d035a6ecc877d9 (patch)
treeb65fa99d0434c03c7fbb7388eec5600eae53ea33 /tests/test-i386.c
parent72cc3881048edcb70912318ea9574baa4c7bf902 (diff)
added LAR/LSL tests
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@152 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'tests/test-i386.c')
-rw-r--r--tests/test-i386.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/test-i386.c b/tests/test-i386.c
index 2130bfcabc..1b63a5b38a 100644
--- a/tests/test-i386.c
+++ b/tests/test-i386.c
@@ -707,6 +707,19 @@ uint8_t seg_data2[4096];
#define MK_SEL(n) (((n) << 3) | 7)
+#define TEST_LR(op, size, seg, mask)\
+{\
+ int res, res2;\
+ res = 0x12345678;\
+ asm (op " %" size "2, %" size "0\n" \
+ "movl $0, %1\n"\
+ "jnz 1f\n"\
+ "movl $1, %1\n"\
+ "1:\n"\
+ : "=r" (res), "=r" (res2) : "m" (seg), "0" (res));\
+ printf(op ": Z=%d %08x\n", res2, res & ~(mask));\
+}
+
/* NOTE: we use Linux modify_ldt syscall */
void test_segs(void)
{
@@ -784,6 +797,16 @@ void test_segs(void)
: "=r" (res), "=g" (res2)
: "m" (segoff));
printf("FS:reg = %04x:%08x\n", res2, res);
+
+ TEST_LR("larw", "w", MK_SEL(2), 0x0100);
+ TEST_LR("larl", "", MK_SEL(2), 0x0100);
+ TEST_LR("lslw", "w", MK_SEL(2), 0);
+ TEST_LR("lsll", "", MK_SEL(2), 0);
+
+ TEST_LR("larw", "w", 0xfff8, 0);
+ TEST_LR("larl", "", 0xfff8, 0);
+ TEST_LR("lslw", "w", 0xfff8, 0);
+ TEST_LR("lsll", "", 0xfff8, 0);
}
/* 16 bit code test */