From: Mohammed Gamal <[email protected]>
Signed-off-by: Mohammed Gamal <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
diff --git a/kvm/user/test/x86/realmode.c b/kvm/user/test/x86/realmode.c
index 755b5d1..0db09b8 100644
--- a/kvm/user/test/x86/realmode.c
+++ b/kvm/user/test/x86/realmode.c
@@ -467,6 +467,79 @@ void test_long_jmp()
if(!regs_equal(&inregs, &outregs, R_AX) || outregs.eax != 0x1234)
print_serial("Long JMP Test: FAIL\n");
}
+void test_push_pop()
+{
+ struct regs inregs = { 0 }, outregs;
+ MK_INSN(push32, "mov $0x12345678, %eax\n\t"
+ "push %eax\n\t"
+ "pop %ebx\n\t");
+ MK_INSN(push16, "mov $0x1234, %ax\n\t"
+ "push %ax\n\t"
+ "pop %bx\n\t");
+
+ MK_INSN(push_es, "mov $0x231, %bx\n\t" //Just write a dummy value to
see if it gets overwritten
+ "mov $0x123, %ax\n\t"
+ "mov %ax, %es\n\t"
+ "push %es\n\t"
+ "pop %bx \n\t"
+ );
+ MK_INSN(pop_es, "push %ax\n\t"
+ "pop %es\n\t"
+ "mov %es, %bx\n\t"
+ );
+ MK_INSN(push_pop_ss, "push %ss\n\t"
+ "pushw %ax\n\t"
+ "popw %ss\n\t"
+ "mov %ss, %bx\n\t"
+ "pop %ss\n\t"
+ );
+ MK_INSN(push_pop_fs, "push %fs\n\t"
+ "pushl %eax\n\t"
+ "popl %fs\n\t"
+ "mov %fs, %ebx\n\t"
+ "pop %fs\n\t"
+ );
+
+ exec_in_big_real_mode(&inregs, &outregs,
+ insn_push32,
+ insn_push32_end - insn_push32);
+ if (!regs_equal(&inregs, &outregs, R_AX|R_BX) || outregs.eax !=
outregs.ebx || outregs.eax != 0x12345678)
+ print_serial("Push/Pop Test 1: FAIL\n");
+
+ exec_in_big_real_mode(&inregs, &outregs,
+ insn_push16,
+ insn_push16_end - insn_push16);
+
+ if (!regs_equal(&inregs, &outregs, R_AX|R_BX) || outregs.eax !=
outregs.ebx || outregs.eax != 0x1234)
+ print_serial("Push/Pop Test 2: FAIL\n");
+
+ exec_in_big_real_mode(&inregs, &outregs,
+ insn_push_es,
+ insn_push_es_end - insn_push_es);
+ if (!regs_equal(&inregs, &outregs, R_AX|R_BX) || outregs.ebx !=
outregs.eax || outregs.eax != 0x123)
+ print_serial("Push/Pop Test 3: FAIL\n");
+
+ exec_in_big_real_mode(&inregs, &outregs,
+ insn_pop_es,
+ insn_pop_es_end - insn_pop_es);
+
+ if (!regs_equal(&inregs, &outregs, R_AX|R_BX) || outregs.ebx !=
outregs.eax)
+ print_serial("Push/Pop Test 4: FAIL\n");
+
+ exec_in_big_real_mode(&inregs, &outregs,
+ insn_push_pop_ss,
+ insn_push_pop_ss_end - insn_push_pop_ss);
+
+ if (!regs_equal(&inregs, &outregs, R_AX|R_BX) || outregs.ebx !=
outregs.eax)
+ print_serial("Push/Pop Test 5: FAIL\n");
+
+ exec_in_big_real_mode(&inregs, &outregs,
+ insn_push_pop_fs,
+ insn_push_pop_fs_end - insn_push_pop_fs);
+
+ if (!regs_equal(&inregs, &outregs, R_AX|R_BX) || outregs.ebx !=
outregs.eax)
+ print_serial("Push/Pop Test 6: FAIL\n");
+}
void test_null(void)
{
@@ -481,6 +554,7 @@ void start(void)
test_null();
test_shld();
+ test_push_pop();
test_mov_imm();
test_cmp_imm();
test_add_imm();
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