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* [Qemu-devel] [PATCH v2] target-mips: fix 34Kf configuration for DSP ASE
@ 2013-08-02  9:33 Yongbok Kim
  2013-08-03 22:02 ` Aurelien Jarno
  0 siblings, 1 reply; 3+ messages in thread
From: Yongbok Kim @ 2013-08-02  9:33 UTC (permalink / raw)
  To: qemu-devel; +Cc: yongbok.kim, cristian.cuna, leon.alrae, aurelien, Eric.Johnson

34Kf core does support DSP ASE.
CP0_Config3 configuration for 34Kf and description are wrong.

Please refer to MIPS32(R) 34Kf(TM) Processor Core Datasheet

Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
---
changes from v1:
make status.MX writeable 

 target-mips/translate_init.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
index 7cf238f..c45b1b2 100644
--- a/target-mips/translate_init.c
+++ b/target-mips/translate_init.c
@@ -274,14 +274,13 @@ static const mips_def_t mips_defs[] =
                        (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA) |
                        (1 << CP0C1_CA),
         .CP0_Config2 = MIPS_CONFIG2,
-        .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_VInt) | (1 << CP0C3_MT),
+        .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_VInt) | (1 << CP0C3_MT) |
+                       (1 << CP0C3_DSPP),
         .CP0_LLAddr_rw_bitmask = 0,
         .CP0_LLAddr_shift = 0,
         .SYNCI_Step = 32,
         .CCRes = 2,
-        /* No DSP implemented. */
-        .CP0_Status_rw_bitmask = 0x3678FF1F,
-        /* No DSP implemented. */
+        .CP0_Status_rw_bitmask = 0x3778FF1F,
         .CP0_TCStatus_rw_bitmask = (0 << CP0TCSt_TCU3) | (0 << CP0TCSt_TCU2) |
                     (1 << CP0TCSt_TCU1) | (1 << CP0TCSt_TCU0) |
                     (0 << CP0TCSt_TMX) | (1 << CP0TCSt_DT) |
-- 
1.7.4

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [Qemu-devel] [PATCH v2] target-mips: fix 34Kf configuration for DSP ASE
  2013-08-02  9:33 [Qemu-devel] [PATCH v2] target-mips: fix 34Kf configuration for DSP ASE Yongbok Kim
@ 2013-08-03 22:02 ` Aurelien Jarno
  2013-09-13 16:47   ` Maciej W. Rozycki
  0 siblings, 1 reply; 3+ messages in thread
From: Aurelien Jarno @ 2013-08-03 22:02 UTC (permalink / raw)
  To: Yongbok Kim; +Cc: cristian.cuna, leon.alrae, qemu-devel, Eric.Johnson

On Fri, Aug 02, 2013 at 10:33:43AM +0100, Yongbok Kim wrote:
> 34Kf core does support DSP ASE.
> CP0_Config3 configuration for 34Kf and description are wrong.
> 
> Please refer to MIPS32(R) 34Kf(TM) Processor Core Datasheet
> 
> Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
> ---
> changes from v1:
> make status.MX writeable 
> 
>  target-mips/translate_init.c |    7 +++----
>  1 files changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
> index 7cf238f..c45b1b2 100644
> --- a/target-mips/translate_init.c
> +++ b/target-mips/translate_init.c
> @@ -274,14 +274,13 @@ static const mips_def_t mips_defs[] =
>                         (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA) |
>                         (1 << CP0C1_CA),
>          .CP0_Config2 = MIPS_CONFIG2,
> -        .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_VInt) | (1 << CP0C3_MT),
> +        .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_VInt) | (1 << CP0C3_MT) |
> +                       (1 << CP0C3_DSPP),
>          .CP0_LLAddr_rw_bitmask = 0,
>          .CP0_LLAddr_shift = 0,
>          .SYNCI_Step = 32,
>          .CCRes = 2,
> -        /* No DSP implemented. */
> -        .CP0_Status_rw_bitmask = 0x3678FF1F,
> -        /* No DSP implemented. */
> +        .CP0_Status_rw_bitmask = 0x3778FF1F,
>          .CP0_TCStatus_rw_bitmask = (0 << CP0TCSt_TCU3) | (0 << CP0TCSt_TCU2) |
>                      (1 << CP0TCSt_TCU1) | (1 << CP0TCSt_TCU0) |
>                      (0 << CP0TCSt_TMX) | (1 << CP0TCSt_DT) |

Thanks, applied.


-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
aurelien@aurel32.net                 http://www.aurel32.net

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [Qemu-devel] [PATCH v2] target-mips: fix 34Kf configuration for DSP ASE
  2013-08-03 22:02 ` Aurelien Jarno
@ 2013-09-13 16:47   ` Maciej W. Rozycki
  0 siblings, 0 replies; 3+ messages in thread
From: Maciej W. Rozycki @ 2013-09-13 16:47 UTC (permalink / raw)
  To: Aurelien Jarno
  Cc: Yongbok Kim, cristian.cuna, leon.alrae, qemu-devel, Eric.Johnson

On Sat, 3 Aug 2013, Aurelien Jarno wrote:

> > 34Kf core does support DSP ASE.
> > CP0_Config3 configuration for 34Kf and description are wrong.
> > 
> > Please refer to MIPS32(R) 34Kf(TM) Processor Core Datasheet
> > 
> > Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
> > ---
> > changes from v1:
> > make status.MX writeable 
> > 
> >  target-mips/translate_init.c |    7 +++----
> >  1 files changed, 3 insertions(+), 4 deletions(-)
> > 
> > diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
> > index 7cf238f..c45b1b2 100644
> > --- a/target-mips/translate_init.c
> > +++ b/target-mips/translate_init.c
> > @@ -274,14 +274,13 @@ static const mips_def_t mips_defs[] =
> >                         (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA) |
> >                         (1 << CP0C1_CA),
> >          .CP0_Config2 = MIPS_CONFIG2,
> > -        .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_VInt) | (1 << CP0C3_MT),
> > +        .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_VInt) | (1 << CP0C3_MT) |
> > +                       (1 << CP0C3_DSPP),
> >          .CP0_LLAddr_rw_bitmask = 0,
> >          .CP0_LLAddr_shift = 0,
> >          .SYNCI_Step = 32,
> >          .CCRes = 2,
> > -        /* No DSP implemented. */
> > -        .CP0_Status_rw_bitmask = 0x3678FF1F,
> > -        /* No DSP implemented. */
> > +        .CP0_Status_rw_bitmask = 0x3778FF1F,
> >          .CP0_TCStatus_rw_bitmask = (0 << CP0TCSt_TCU3) | (0 << CP0TCSt_TCU2) |
> >                      (1 << CP0TCSt_TCU1) | (1 << CP0TCSt_TCU0) |
> >                      (0 << CP0TCSt_TMX) | (1 << CP0TCSt_DT) |

 And likewise CP0.TCStatus.TMX has to be set (to match CP0.Status.MX):

                     (1 << CP0TCSt_TMX) | (1 << CP0TCSt_DT) |

> Thanks, applied.

  Maciej

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2013-09-13 16:48 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2013-08-02  9:33 [Qemu-devel] [PATCH v2] target-mips: fix 34Kf configuration for DSP ASE Yongbok Kim
2013-08-03 22:02 ` Aurelien Jarno
2013-09-13 16:47   ` Maciej W. Rozycki

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