On Wed, Jun 05, 2013 at 05:41:41PM +0800, 李春奇 <Arthur Chunqi Li> wrote: > Add multibyte NOP test case to kvm-unit-tests. This version adds test > cases into x86/realmode.c. This can test one of bugs when booting > RHEL5.9 64-bit. > The patch is mangled. Lines are wrapped, tabs are replaced with spaces. > Signed-off-by: Arthur Chunqi Li <yzt356@xxxxxxxxx> > --- > x86/realmode.c | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/x86/realmode.c b/x86/realmode.c > index 981be08..e6e48c9 100644 > --- a/x86/realmode.c > +++ b/x86/realmode.c > @@ -1504,6 +1504,29 @@ static void test_fninit(void) > report("fninit", 0, fsw == 0 && (fcw & 0x103f) == 0x003f); > } > > +static void test_nopl(void) > +{ > + MK_INSN(nopl1, ".byte 0x90\n\r"); // 1 byte nop > + MK_INSN(nopl2, ".byte 0x66, 0x90\n\r"); // 2 bytes nop > + MK_INSN(nopl3, ".byte 0x0f, 0x1f, 0x00\n\r"); // 3 bytes nop > + MK_INSN(nopl4, ".byte 0x0f, 0x1f, 0x40, 0x00\n\r"); // 4 bytes nop > + MK_INSN(nopl5, ".byte 0x0f, 0x1f, 0x44, 0x00, 0x00\n\r"); // > 5 bytes nop > + MK_INSN(nopl6, ".byte 0x66, 0x0f, 0x1f, 0x44, 0x00, > 0x00\n\r"); // 6 bytes nop > + MK_INSN(nopl7, ".byte 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, > 0x00\n\r"); // 7 bytes nop > + MK_INSN(nopl8, ".byte 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, > 0x00, 0x00\n\r"); // 8 bytes nop > + MK_INSN(nopl9, ".byte 0x66, 0x0f, 0x1f, 0x84, 0x00, 0x00, > 0x00, 0x00, 0x00\n\r"); // 9 bytes nop > + exec_in_big_real_mode(&insn_nopl1); > + exec_in_big_real_mode(&insn_nopl2); > + exec_in_big_real_mode(&insn_nopl3); > + exec_in_big_real_mode(&insn_nopl4); > + exec_in_big_real_mode(&insn_nopl5); > + exec_in_big_real_mode(&insn_nopl6); > + exec_in_big_real_mode(&insn_nopl7); > + exec_in_big_real_mode(&insn_nopl8); > + exec_in_big_real_mode(&insn_nopl9); > + report("nopl", 0, 1); > +} > + > void realmode_start(void) > { > test_null(); > @@ -1548,6 +1571,7 @@ void realmode_start(void) > test_xlat(); > test_salc(); > test_fninit(); > + test_nopl(); > > exit(0); > } > -- > 1.7.9.5 -- Gleb. -- 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