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Re: [PATCH v3 1/7] target/ppc: Created !TCG SPR registration macro
From: |
David Gibson |
Subject: |
Re: [PATCH v3 1/7] target/ppc: Created !TCG SPR registration macro |
Date: |
Mon, 3 May 2021 14:37:00 +1000 |
On Fri, Apr 30, 2021 at 05:27:13PM -0700, Richard Henderson wrote:
> On 4/30/21 12:35 PM, Bruno Larsen (billionai) wrote:
> > moved RW callback parameters of _spr_register into an ifdef, to support
> > building without TCG in the future, and added definitions for
> > spr_register and spr_register_kvm, to keep the same call regardless of
> > build options
> >
> > Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br>
> > ---
> > target/ppc/translate_init.c.inc | 26 +++++++++++++++++++++-----
> > 1 file changed, 21 insertions(+), 5 deletions(-)
> >
> > diff --git a/target/ppc/translate_init.c.inc
> > b/target/ppc/translate_init.c.inc
> > index 6235eb7536..22b23793fd 100644
> > --- a/target/ppc/translate_init.c.inc
> > +++ b/target/ppc/translate_init.c.inc
> > @@ -720,6 +720,7 @@ static inline void vscr_init(CPUPPCState *env, uint32_t
> > val)
> > helper_mtvscr(env, val);
> > }
> > +#ifdef CONFIG_TCG
> > #ifdef CONFIG_USER_ONLY
> > #define spr_register_kvm(env, num, name, uea_read, uea_write,
> > \
> > oea_read, oea_write, one_reg_id, initial_value)
> > \
> > @@ -728,7 +729,7 @@ static inline void vscr_init(CPUPPCState *env, uint32_t
> > val)
> > oea_read, oea_write, hea_read, hea_write,
> > \
> > one_reg_id, initial_value)
> > \
> > _spr_register(env, num, name, uea_read, uea_write, initial_value)
> > -#else
> > +#else /* CONFIG_USER_ONLY */
> > #if !defined(CONFIG_KVM)
> > #define spr_register_kvm(env, num, name, uea_read, uea_write,
> > \
> > oea_read, oea_write, one_reg_id, initial_value)
> > \
> > @@ -739,7 +740,7 @@ static inline void vscr_init(CPUPPCState *env, uint32_t
> > val)
> > one_reg_id, initial_value)
> > \
> > _spr_register(env, num, name, uea_read, uea_write,
> > \
> > oea_read, oea_write, hea_read, hea_write, initial_value)
> > -#else
> > +#else /* CONFIG_KVM */
> > #define spr_register_kvm(env, num, name, uea_read, uea_write,
> > \
> > oea_read, oea_write, one_reg_id, initial_value)
> > \
> > _spr_register(env, num, name, uea_read, uea_write,
> > \
> > @@ -751,8 +752,21 @@ static inline void vscr_init(CPUPPCState *env,
> > uint32_t val)
> > _spr_register(env, num, name, uea_read, uea_write,
> > \
> > oea_read, oea_write, hea_read, hea_write,
> > \
> > one_reg_id, initial_value)
> > -#endif
> > -#endif
> > +#endif /* CONFIG_KVM */
> > +#endif /* CONFIG_USER_ONLY */
> > +#else /* CONFIG_TCG */
> > +#ifdef CONFIG_KVM /* sanity check. should always enter this */
> > +#define spr_register_kvm(env, num, name, uea_read, uea_write,
> > \
> > + oea_read, oea_write, one_reg_id, initial_value)
> > \
> > + _spr_register(env, num, name, one_reg_id, initial_value)
> > +#define spr_register_kvm_hv(env, num, name, uea_read, uea_write,
> > \
> > + oea_read, oea_write, hea_read, hea_write,
> > \
> > + one_reg_id, initial_value)
> > \
> > + _spr_register(env, num, name, one_reg_id, initial_value)
> > +#else /* CONFIG_KVM */
> > +#error "Either TCG or KVM should be configured"
> > +#endif /* CONFIG_KVM */
> > +#endif /* CONFIG_TCG */
>
> I think this ifdef tree, and the repetition, is unnecessarily confusing.
> How about something like this?
I've applied Richard's version of this to my tree now, so you might
need to rebase the rest of the series.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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