Re: [PATCH 02/11] target/ppc: moved ppc_store_sdr1 to cpu.c

[David Gibson <david@gibson.dropbear.id.au>]

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On Wed, May 12, 2021 at 11:08:04AM -0300, Bruno Larsen (billionai) wrote:
> Moved this function that is required in !TCG cases into a
> common code file

The reasons it's needed by !TCG are kind of bogus, related to
weirdness in the way KVM PR works.  But it's fair not to care about
that right now, so, applied to ppc-for-6.1.

> 
> Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br>
> ---
>  target/ppc/cpu.c        | 29 +++++++++++++++++++++++++++++
>  target/ppc/mmu_helper.c | 26 --------------------------
>  2 files changed, 29 insertions(+), 26 deletions(-)
> 
> diff --git a/target/ppc/cpu.c b/target/ppc/cpu.c
> index cb794e9f4f..0ab7ac1af1 100644
> --- a/target/ppc/cpu.c
> +++ b/target/ppc/cpu.c
> @@ -20,7 +20,10 @@
>  #include "qemu/osdep.h"
>  #include "cpu.h"
>  #include "cpu-models.h"
> +#include "cpu-qom.h"
> +#include "exec/log.h"
>  #include "fpu/softfloat-helpers.h"
> +#include "mmu-hash64.h"
>  
>  target_ulong cpu_read_xer(CPUPPCState *env)
>  {
> @@ -61,3 +64,29 @@ uint32_t ppc_get_vscr(CPUPPCState *env)
>      uint32_t sat = (env->vscr_sat.u64[0] | env->vscr_sat.u64[1]) != 0;
>      return env->vscr | (sat << VSCR_SAT);
>  }
> +
> +void ppc_store_sdr1(CPUPPCState *env, target_ulong value)
> +{
> +    PowerPCCPU *cpu = env_archcpu(env);
> +    qemu_log_mask(CPU_LOG_MMU, "%s: " TARGET_FMT_lx "\n", __func__, value);
> +    assert(!cpu->vhyp);
> +#if defined(TARGET_PPC64)
> +    if (mmu_is_64bit(env->mmu_model)) {
> +        target_ulong sdr_mask = SDR_64_HTABORG | SDR_64_HTABSIZE;
> +        target_ulong htabsize = value & SDR_64_HTABSIZE;
> +
> +        if (value & ~sdr_mask) {
> +            error_report("Invalid bits 0x"TARGET_FMT_lx" set in SDR1",
> +                         value & ~sdr_mask);
> +            value &= sdr_mask;
> +        }
> +        if (htabsize > 28) {
> +            error_report("Invalid HTABSIZE 0x" TARGET_FMT_lx" stored in SDR1",
> +                         htabsize);
> +            return;
> +        }
> +    }
> +#endif /* defined(TARGET_PPC64) */
> +    /* FIXME: Should check for valid HTABMASK values in 32-bit case */
> +    env->spr[SPR_SDR1] = value;
> +}
> diff --git a/target/ppc/mmu_helper.c b/target/ppc/mmu_helper.c
> index ca88658cba..06e1ebdcbc 100644
> --- a/target/ppc/mmu_helper.c
> +++ b/target/ppc/mmu_helper.c
> @@ -2085,32 +2085,6 @@ void ppc_tlb_invalidate_one(CPUPPCState *env, target_ulong addr)
>  
>  /*****************************************************************************/
>  /* Special registers manipulation */
> -void ppc_store_sdr1(CPUPPCState *env, target_ulong value)
> -{
> -    PowerPCCPU *cpu = env_archcpu(env);
> -    qemu_log_mask(CPU_LOG_MMU, "%s: " TARGET_FMT_lx "\n", __func__, value);
> -    assert(!cpu->vhyp);
> -#if defined(TARGET_PPC64)
> -    if (mmu_is_64bit(env->mmu_model)) {
> -        target_ulong sdr_mask = SDR_64_HTABORG | SDR_64_HTABSIZE;
> -        target_ulong htabsize = value & SDR_64_HTABSIZE;
> -
> -        if (value & ~sdr_mask) {
> -            error_report("Invalid bits 0x"TARGET_FMT_lx" set in SDR1",
> -                         value & ~sdr_mask);
> -            value &= sdr_mask;
> -        }
> -        if (htabsize > 28) {
> -            error_report("Invalid HTABSIZE 0x" TARGET_FMT_lx" stored in SDR1",
> -                         htabsize);
> -            return;
> -        }
> -    }
> -#endif /* defined(TARGET_PPC64) */
> -    /* FIXME: Should check for valid HTABMASK values in 32-bit case */
> -    env->spr[SPR_SDR1] = value;
> -}
> -
>  #if defined(TARGET_PPC64)
>  void ppc_store_ptcr(CPUPPCState *env, target_ulong value)
>  {

-- 
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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