From: Gleb Natapov <g...@redhat.com>
Signed-off-by: Gleb Natapov <g...@redhat.com>
Signed-off-by: Avi Kivity <a...@redhat.com>
diff --git a/user/test/x86/realmode.c b/user/test/x86/realmode.c
index 336ba1c..755b5d1 100644
--- a/user/test/x86/realmode.c
+++ b/user/test/x86/realmode.c
@@ -451,6 +451,23 @@ void test_jcc_near(void)
print_serial("JMP near Test 1: FAIL\n");
}
+void test_long_jmp()
+{
+ struct regs inregs = { 0 }, outregs;
+ u32 esp[16];
+
+ inregs.esp = (u32)esp;
+ MK_INSN(long_jmp, "call 1f\n\t"
+ "jmp 2f\n\t"
+ "1: jmp $0, $test_function\n\t"
+ "2:\n\t");
+ exec_in_big_real_mode(&inregs, &outregs,
+ insn_long_jmp,
+ insn_long_jmp_end - insn_long_jmp);
+ if(!regs_equal(&inregs, &outregs, R_AX) || outregs.eax != 0x1234)
+ print_serial("Long JMP Test: FAIL\n");
+}
+
void test_null(void)
{
struct regs inregs = { 0 }, outregs;
@@ -473,6 +490,8 @@ void start(void)
test_jcc_near();
/* test_call() uses short jump so call it after testing jcc */
test_call();
+ /* long jmp test uses call near so test it after testing call */
+ test_long_jmp();
exit(0);
}
--
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