Add 'shld' instruction test in real mode test harness.
Avi, on my computer this test is broken but the problem seems to be
elsewhere because test_shld() works fine alone. I'm inspecting other
test. Used alone shld gives the right values (shift is ok and bits are
added).
The error is the following:
kvm_run: failed entry, reason 7
rax 000000000000000e rbx 0000000000001fa4 rcx 0000000000000000 rdx
00000000000000f1
rsi 000000000000218d rdi 0000000000001ff4 rsp 0000000000001f84 rbp
0000000000000000
r8 0000000000000000 r9 0000000000000000 r10 0000000000000000 r11
0000000000000000
r12 0000000000000000 r13 0000000000000000 r14 0000000000000000 r15
0000000000000000
rip 000000000000004b rflags 00023646
cs 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
ds 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
es 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
ss 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
fs 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
gs 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
tr 0000 (fffbd000/00002088 p 1 dpl 0 db 0 s 0 type b l 0 g 0 avl 0)
ldt 0000 (00000000/0000ffff p 1 dpl 0 db 0 s 0 type 2 l 0 g 0 avl 0)
gdt 2000/17
idt 0/ffff
cr0 60000010 cr2 0 cr3 0 cr4 0 cr8 0 efer 0
Signed-off-by: Guillaume Thouvenin <[EMAIL PROTECTED]>
---
user/test/x86/realmode.c | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/user/test/x86/realmode.c b/user/test/x86/realmode.c
index 2c3be1e..a65f9f2 100644
--- a/user/test/x86/realmode.c
+++ b/user/test/x86/realmode.c
@@ -141,6 +141,19 @@ int regs_equal(const struct regs *r1, const struct regs
*r2, int ignore)
); \
extern u8 insn_##name[], insn_##name##_end[]
+void test_shld(const struct regs *inregs, struct regs *outregs)
+{
+ MK_INSN(shld_test, "shld $8,%edx,%eax\n\t");
+
+ exec_in_big_real_mode(inregs, outregs,
+ insn_shld_test,
+ insn_shld_test_end - insn_shld_test);
+ if (outregs->eax != 0xbeef)
+ print_serial("shld: failure\n");
+ else
+ print_serial("shld: success\n");
+}
+
void test_mov_imm(const struct regs *inregs, struct regs *outregs)
{
MK_INSN(mov_r32_imm_1, "mov $1234567890, %eax");
@@ -360,11 +373,17 @@ void start(void)
if (!regs_equal(&inregs, &outregs, 0))
print_serial("null test: FAIL\n");
test_call(&inregs, &outregs);
+
+ inregs.eax = 0xbe;
+ inregs.edx = 0xef000000;
+ test_shld(&inregs, &outregs);
+
test_mov_imm(&inregs, &outregs);
test_cmp_imm(&inregs, &outregs);
test_add_imm(&inregs, &outregs);
test_io(&inregs, &outregs);
test_eflags_insn(&inregs, &outregs);
+
exit(0);
}
--
1.6.0.4.623.g171d7
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