Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
x86/realmode.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/x86/realmode.c b/x86/realmode.c
index b1d089a..98a25c2 100644
--- a/x86/realmode.c
+++ b/x86/realmode.c
@@ -1318,6 +1318,23 @@ static void test_ss_base_for_esp_ebp(void)
report("ss relative addressing (2)", R_AX | R_BX, outregs.ebx == 0x87654321);
}
+static void test_sgdt_sidt(void)
+{
+ MK_INSN(sgdt, "sgdtw (%eax)");
+ MK_INSN(sidt, "sidtw (%eax)");
+ unsigned x, y;
+
+ inregs.eax = (unsigned)&y;
+ asm volatile("sgdtw %0" : "=m"(x));
+ exec_in_big_real_mode(&insn_sgdt);
+ report("sgdt", 0, x == y);
+
+ inregs.eax = (unsigned)&y;
+ asm volatile("sidtw %0" : "=m"(x));
+ exec_in_big_real_mode(&insn_sidt);
+ report("sidt", 0, x == y);
+}
+
void realmode_start(void)
{
test_null();
@@ -1353,6 +1370,7 @@ void realmode_start(void)
test_jcxz();
test_cpuid();
test_ss_base_for_esp_ebp();
+ test_sgdt_sidt();
exit(0);
}
--
1.7.11
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
