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Re: [Qemu-ppc] [Qemu-devel] [PATCH] PPC: Add PIR register to POWER7 CPU
From: |
Andreas Färber |
Subject: |
Re: [Qemu-ppc] [Qemu-devel] [PATCH] PPC: Add PIR register to POWER7 CPU |
Date: |
Sat, 03 Mar 2012 19:06:24 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.2) Gecko/20120215 Thunderbird/10.0.2 |
Am 03.03.2012 17:36, schrieb Nathan Whitehorn:
> The POWER7 emulation is missing the Processor Identification Register,
> mandatory in recent POWER CPUs, that is required for SMP on at least
> some operating systems (e.g. FreeBSD) to function properly. This patch
> copies the existing PIR code from the other CPUs that implement it.
>
> Signed-off-by: Nathan Whitehorn <address@hidden>
Please always cc the respective maintainers (and lists) according to
MAINTAINERS. CC'ing Alex and qemu-ppc.
> ---
> target-ppc/translate_init.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
> index 8a7233f..01f4030 100644
> --- a/target-ppc/translate_init.c
> +++ b/target-ppc/translate_init.c
> @@ -6537,6 +6537,11 @@ static void init_proc_POWER7 (CPUPPCState *env)
> /* Time base */
> gen_tbl(env);
> #if !defined(CONFIG_USER_ONLY)
> + /* Processor identification */
> + spr_register(env, SPR_PIR, "PIR",
> + SPR_NOACCESS, SPR_NOACCESS,
> + &spr_read_generic, &spr_write_pir,
Indentation looks weird here. Stray tab maybe?
Andreas
> + 0x00000000);
> /* PURR & SPURR: Hack - treat these as aliases for the TB for now */
> spr_register(env, SPR_PURR, "PURR",
> &spr_read_purr, SPR_NOACCESS,
> --
> 1.7.9
--
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- Re: [Qemu-ppc] [Qemu-devel] [PATCH] PPC: Add PIR register to POWER7 CPU,
Andreas Färber <=