* [PATCH kvm-unit-tests] realmode: test AAM, XLAT, SALC
@ 2013-05-09 8:53 Paolo Bonzini
2013-05-09 9:13 ` Gleb Natapov
2013-05-09 12:00 ` Gleb Natapov
0 siblings, 2 replies; 5+ messages in thread
From: Paolo Bonzini @ 2013-05-09 8:53 UTC (permalink / raw)
To: kvm; +Cc: gnatapov
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
x86/realmode.c | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/x86/realmode.c b/x86/realmode.c
index 91c93a9..35ace08 100644
--- a/x86/realmode.c
+++ b/x86/realmode.c
@@ -1391,6 +1391,43 @@ static void test_aad(void)
report("aad", R_AX, outregs.eax == 0x123400d4);
}
+static void test_aam(void)
+{
+ MK_INSN(aam, "aam");
+
+ inregs.eax = 0x76543210;
+ exec_in_big_real_mode(&insn_aam);
+ report("aam", R_AX, outregs.eax == 0x76540106);
+}
+
+static void test_xlat(void)
+{
+ MK_INSN(xlat, "xlat");
+ u8 table[256];
+ int i;
+
+ for (i = 0; i < 256; i++) {
+ table[i] = i + 1;
+ }
+
+ inregs.eax = 0x89abcdef;
+ inregs.ebx = (u32)table;
+ exec_in_big_real_mode(&insn_xlat);
+ report("xlat", R_AX, outregs.eax == 0x89abcdf0);
+}
+
+static void test_salc(void)
+{
+ MK_INSN(clc_salc, "clc; .byte 0xd6");
+ MK_INSN(stc_salc, "stc; .byte 0xd6");
+
+ inregs.eax = 0x12345678;
+ exec_in_big_real_mode(&insn_clc_salc);
+ report("salc (1)", R_AX, outregs.eax == 0x12345600);
+ exec_in_big_real_mode(&insn_stc_salc);
+ report("salc (2)", R_AX, outregs.eax == 0x123456ff);
+}
+
static void test_fninit(void)
{
u16 fcw = -1, fsw = -1;
@@ -1443,6 +1480,9 @@ void realmode_start(void)
test_movzx_movsx();
test_bswap();
test_aad();
+ test_aam();
+ test_xlat();
+ test_salc();
test_fninit();
exit(0);
--
1.8.1.4
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH kvm-unit-tests] realmode: test AAM, XLAT, SALC
2013-05-09 8:53 [PATCH kvm-unit-tests] realmode: test AAM, XLAT, SALC Paolo Bonzini
@ 2013-05-09 9:13 ` Gleb Natapov
2013-05-09 9:18 ` Paolo Bonzini
2013-05-09 12:00 ` Gleb Natapov
1 sibling, 1 reply; 5+ messages in thread
From: Gleb Natapov @ 2013-05-09 9:13 UTC (permalink / raw)
To: Paolo Bonzini; +Cc: kvm
On Thu, May 09, 2013 at 10:53:37AM +0200, Paolo Bonzini wrote:
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> x86/realmode.c | 40 ++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 40 insertions(+)
>
> diff --git a/x86/realmode.c b/x86/realmode.c
> index 91c93a9..35ace08 100644
> --- a/x86/realmode.c
> +++ b/x86/realmode.c
> @@ -1391,6 +1391,43 @@ static void test_aad(void)
> report("aad", R_AX, outregs.eax == 0x123400d4);
> }
>
> +static void test_aam(void)
> +{
> + MK_INSN(aam, "aam");
> +
> + inregs.eax = 0x76543210;
> + exec_in_big_real_mode(&insn_aam);
> + report("aam", R_AX, outregs.eax == 0x76540106);
> +}
> +
> +static void test_xlat(void)
> +{
> + MK_INSN(xlat, "xlat");
> + u8 table[256];
> + int i;
> +
> + for (i = 0; i < 256; i++) {
> + table[i] = i + 1;
> + }
> +
> + inregs.eax = 0x89abcdef;
> + inregs.ebx = (u32)table;
> + exec_in_big_real_mode(&insn_xlat);
> + report("xlat", R_AX, outregs.eax == 0x89abcdf0);
> +}
> +
> +static void test_salc(void)
> +{
> + MK_INSN(clc_salc, "clc; .byte 0xd6");
> + MK_INSN(stc_salc, "stc; .byte 0xd6");
Heh, who uses that?
> +
> + inregs.eax = 0x12345678;
> + exec_in_big_real_mode(&insn_clc_salc);
> + report("salc (1)", R_AX, outregs.eax == 0x12345600);
> + exec_in_big_real_mode(&insn_stc_salc);
> + report("salc (2)", R_AX, outregs.eax == 0x123456ff);
> +}
> +
> static void test_fninit(void)
> {
> u16 fcw = -1, fsw = -1;
> @@ -1443,6 +1480,9 @@ void realmode_start(void)
> test_movzx_movsx();
> test_bswap();
> test_aad();
> + test_aam();
> + test_xlat();
> + test_salc();
> test_fninit();
>
> exit(0);
> --
> 1.8.1.4
--
Gleb.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH kvm-unit-tests] realmode: test AAM, XLAT, SALC
2013-05-09 9:13 ` Gleb Natapov
@ 2013-05-09 9:18 ` Paolo Bonzini
2013-05-09 9:20 ` Gleb Natapov
0 siblings, 1 reply; 5+ messages in thread
From: Paolo Bonzini @ 2013-05-09 9:18 UTC (permalink / raw)
To: Gleb Natapov; +Cc: kvm
Il 09/05/2013 11:13, Gleb Natapov ha scritto:
> On Thu, May 09, 2013 at 10:53:37AM +0200, Paolo Bonzini wrote:
>> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
>> ---
>> x86/realmode.c | 40 ++++++++++++++++++++++++++++++++++++++++
>> 1 file changed, 40 insertions(+)
>>
>> diff --git a/x86/realmode.c b/x86/realmode.c
>> index 91c93a9..35ace08 100644
>> --- a/x86/realmode.c
>> +++ b/x86/realmode.c
>> @@ -1391,6 +1391,43 @@ static void test_aad(void)
>> report("aad", R_AX, outregs.eax == 0x123400d4);
>> }
>>
>> +static void test_aam(void)
>> +{
>> + MK_INSN(aam, "aam");
>> +
>> + inregs.eax = 0x76543210;
>> + exec_in_big_real_mode(&insn_aam);
>> + report("aam", R_AX, outregs.eax == 0x76540106);
>> +}
>> +
>> +static void test_xlat(void)
>> +{
>> + MK_INSN(xlat, "xlat");
>> + u8 table[256];
>> + int i;
>> +
>> + for (i = 0; i < 256; i++) {
>> + table[i] = i + 1;
>> + }
>> +
>> + inregs.eax = 0x89abcdef;
>> + inregs.ebx = (u32)table;
>> + exec_in_big_real_mode(&insn_xlat);
>> + report("xlat", R_AX, outregs.eax == 0x89abcdf0);
>> +}
>> +
>> +static void test_salc(void)
>> +{
>> + MK_INSN(clc_salc, "clc; .byte 0xd6");
>> + MK_INSN(stc_salc, "stc; .byte 0xd6");
> Heh, who uses that?
Some real-mode programs do. Plus, the "N" in the opcode table looked
really bad. :)
Paolo
>> +
>> + inregs.eax = 0x12345678;
>> + exec_in_big_real_mode(&insn_clc_salc);
>> + report("salc (1)", R_AX, outregs.eax == 0x12345600);
>> + exec_in_big_real_mode(&insn_stc_salc);
>> + report("salc (2)", R_AX, outregs.eax == 0x123456ff);
>> +}
>> +
>> static void test_fninit(void)
>> {
>> u16 fcw = -1, fsw = -1;
>> @@ -1443,6 +1480,9 @@ void realmode_start(void)
>> test_movzx_movsx();
>> test_bswap();
>> test_aad();
>> + test_aam();
>> + test_xlat();
>> + test_salc();
>> test_fninit();
>>
>> exit(0);
>> --
>> 1.8.1.4
>
> --
> Gleb.
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH kvm-unit-tests] realmode: test AAM, XLAT, SALC
2013-05-09 9:18 ` Paolo Bonzini
@ 2013-05-09 9:20 ` Gleb Natapov
0 siblings, 0 replies; 5+ messages in thread
From: Gleb Natapov @ 2013-05-09 9:20 UTC (permalink / raw)
To: Paolo Bonzini; +Cc: kvm
On Thu, May 09, 2013 at 11:18:07AM +0200, Paolo Bonzini wrote:
> Il 09/05/2013 11:13, Gleb Natapov ha scritto:
> > On Thu, May 09, 2013 at 10:53:37AM +0200, Paolo Bonzini wrote:
> >> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> >> ---
> >> x86/realmode.c | 40 ++++++++++++++++++++++++++++++++++++++++
> >> 1 file changed, 40 insertions(+)
> >>
> >> diff --git a/x86/realmode.c b/x86/realmode.c
> >> index 91c93a9..35ace08 100644
> >> --- a/x86/realmode.c
> >> +++ b/x86/realmode.c
> >> @@ -1391,6 +1391,43 @@ static void test_aad(void)
> >> report("aad", R_AX, outregs.eax == 0x123400d4);
> >> }
> >>
> >> +static void test_aam(void)
> >> +{
> >> + MK_INSN(aam, "aam");
> >> +
> >> + inregs.eax = 0x76543210;
> >> + exec_in_big_real_mode(&insn_aam);
> >> + report("aam", R_AX, outregs.eax == 0x76540106);
> >> +}
> >> +
> >> +static void test_xlat(void)
> >> +{
> >> + MK_INSN(xlat, "xlat");
> >> + u8 table[256];
> >> + int i;
> >> +
> >> + for (i = 0; i < 256; i++) {
> >> + table[i] = i + 1;
> >> + }
> >> +
> >> + inregs.eax = 0x89abcdef;
> >> + inregs.ebx = (u32)table;
> >> + exec_in_big_real_mode(&insn_xlat);
> >> + report("xlat", R_AX, outregs.eax == 0x89abcdf0);
> >> +}
> >> +
> >> +static void test_salc(void)
> >> +{
> >> + MK_INSN(clc_salc, "clc; .byte 0xd6");
> >> + MK_INSN(stc_salc, "stc; .byte 0xd6");
> > Heh, who uses that?
>
> Some real-mode programs do. Plus, the "N" in the opcode table looked
> really bad. :)
>
Ah, I thought sgabios use that one too.
--
Gleb.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH kvm-unit-tests] realmode: test AAM, XLAT, SALC
2013-05-09 8:53 [PATCH kvm-unit-tests] realmode: test AAM, XLAT, SALC Paolo Bonzini
2013-05-09 9:13 ` Gleb Natapov
@ 2013-05-09 12:00 ` Gleb Natapov
1 sibling, 0 replies; 5+ messages in thread
From: Gleb Natapov @ 2013-05-09 12:00 UTC (permalink / raw)
To: Paolo Bonzini; +Cc: kvm
On Thu, May 09, 2013 at 10:53:37AM +0200, Paolo Bonzini wrote:
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Applied, thanks.
> ---
> x86/realmode.c | 40 ++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 40 insertions(+)
>
> diff --git a/x86/realmode.c b/x86/realmode.c
> index 91c93a9..35ace08 100644
> --- a/x86/realmode.c
> +++ b/x86/realmode.c
> @@ -1391,6 +1391,43 @@ static void test_aad(void)
> report("aad", R_AX, outregs.eax == 0x123400d4);
> }
>
> +static void test_aam(void)
> +{
> + MK_INSN(aam, "aam");
> +
> + inregs.eax = 0x76543210;
> + exec_in_big_real_mode(&insn_aam);
> + report("aam", R_AX, outregs.eax == 0x76540106);
> +}
> +
> +static void test_xlat(void)
> +{
> + MK_INSN(xlat, "xlat");
> + u8 table[256];
> + int i;
> +
> + for (i = 0; i < 256; i++) {
> + table[i] = i + 1;
> + }
> +
> + inregs.eax = 0x89abcdef;
> + inregs.ebx = (u32)table;
> + exec_in_big_real_mode(&insn_xlat);
> + report("xlat", R_AX, outregs.eax == 0x89abcdf0);
> +}
> +
> +static void test_salc(void)
> +{
> + MK_INSN(clc_salc, "clc; .byte 0xd6");
> + MK_INSN(stc_salc, "stc; .byte 0xd6");
> +
> + inregs.eax = 0x12345678;
> + exec_in_big_real_mode(&insn_clc_salc);
> + report("salc (1)", R_AX, outregs.eax == 0x12345600);
> + exec_in_big_real_mode(&insn_stc_salc);
> + report("salc (2)", R_AX, outregs.eax == 0x123456ff);
> +}
> +
> static void test_fninit(void)
> {
> u16 fcw = -1, fsw = -1;
> @@ -1443,6 +1480,9 @@ void realmode_start(void)
> test_movzx_movsx();
> test_bswap();
> test_aad();
> + test_aam();
> + test_xlat();
> + test_salc();
> test_fninit();
>
> exit(0);
> --
> 1.8.1.4
--
Gleb.
^ permalink raw reply [flat|nested] 5+ messages in thread
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2013-05-09 8:53 [PATCH kvm-unit-tests] realmode: test AAM, XLAT, SALC Paolo Bonzini
2013-05-09 9:13 ` Gleb Natapov
2013-05-09 9:18 ` Paolo Bonzini
2013-05-09 9:20 ` Gleb Natapov
2013-05-09 12:00 ` Gleb Natapov
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