Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
x86/realmode.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/x86/realmode.c b/x86/realmode.c
index 98a25c2..a2cc8a9 100644
--- a/x86/realmode.c
+++ b/x86/realmode.c
@@ -1335,6 +1335,15 @@ static void test_sgdt_sidt(void)
report("sidt", 0, x == y);
}
+static void test_lahf(void)
+{
+ MK_INSN(lahf, "pushfw; mov %al, (%esp); popfw; lahf");
+
+ inregs.eax = 0xc7;
+ exec_in_big_real_mode(&insn_lahf);
+ report("lahf", R_AX, (outregs.eax >> 8) == inregs.eax);
+}
+
void realmode_start(void)
{
test_null();
@@ -1371,6 +1380,7 @@ void realmode_start(void)
test_cpuid();
test_ss_base_for_esp_ebp();
test_sgdt_sidt();
+ test_lahf();
exit(0);
}
--
1.7.11
--
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