Signed-off-by: Bruce Rogers <brogers@xxxxxxxx>
---
x86/realmode.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/x86/realmode.c b/x86/realmode.c
index 3546771..c57e033 100644
--- a/x86/realmode.c
+++ b/x86/realmode.c
@@ -481,6 +481,9 @@ void test_io(void)
asm ("retf: lretw");
extern void retf();
+asm ("retf_imm: lretw $10");
+extern void retf_imm();
+
void test_call(void)
{
u32 esp[16];
@@ -503,6 +506,7 @@ void test_call(void)
MK_INSN(call_far1, "lcallw *(%ebx)\n\t");
MK_INSN(call_far2, "lcallw $0, $retf\n\t");
MK_INSN(ret_imm, "sub $10, %sp; jmp 2f; 1: retw $10; 2: callw 1b");
+ MK_INSN(retf_imm, "sub $10, %sp; lcallw $0, $retf_imm");
exec_in_big_real_mode(&insn_call1);
report("call 1", R_AX, outregs.eax == 0x1234);
@@ -523,6 +527,9 @@ void test_call(void)
exec_in_big_real_mode(&insn_ret_imm);
report("ret imm 1", 0, 1);
+
+ exec_in_big_real_mode(&insn_retf_imm);
+ report("retf imm 1", 0, 1);
}
void test_jcc_short(void)
--
1.7.7
--
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