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Re: [Qemu-devel] [Qemu-ppc] [PATCH 04/77] target-ppc: Use sensible POWER
From: |
David Gibson |
Subject: |
Re: [Qemu-devel] [Qemu-ppc] [PATCH 04/77] target-ppc: Use sensible POWER8/POWER8E versions |
Date: |
Mon, 16 Nov 2015 16:01:49 +1100 |
User-agent: |
Mutt/1.5.23 (2015-06-09) |
On Wed, Nov 11, 2015 at 11:27:17AM +1100, Benjamin Herrenschmidt wrote:
> We never released anything older than POWER8 DD2.0 and POWER8E DD2.1,
> so let's use these versions, without that some firmware or Linux code
> might fail to use some HW features that were non functional in earlier
> internal only spins of the chip.
>
> Signed-off-by: Benjamin Herrenschmidt <address@hidden>
Hmm, I'm just wondering if replacing the old CPU models could have
implications for migration from old images.
> ---
> target-ppc/cpu-models.c | 12 ++++++------
> target-ppc/cpu-models.h | 4 ++--
> 2 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/target-ppc/cpu-models.c b/target-ppc/cpu-models.c
> index 4d5ab4b..349783e 100644
> --- a/target-ppc/cpu-models.c
> +++ b/target-ppc/cpu-models.c
> @@ -1138,10 +1138,10 @@
> "POWER7 v2.3")
> POWERPC_DEF("POWER7+_v2.1", CPU_POWERPC_POWER7P_v21, POWER7,
> "POWER7+ v2.1")
> - POWERPC_DEF("POWER8E_v1.0", CPU_POWERPC_POWER8E_v10, POWER8,
> - "POWER8E v1.0")
> - POWERPC_DEF("POWER8_v1.0", CPU_POWERPC_POWER8_v10, POWER8,
> - "POWER8 v1.0")
> + POWERPC_DEF("POWER8E_v2.1", CPU_POWERPC_POWER8E_v21, POWER8,
> + "POWER8E v2.1")
> + POWERPC_DEF("POWER8_v2.0", CPU_POWERPC_POWER8_v20, POWER8,
> + "POWER8 v2.0")
> POWERPC_DEF("970_v2.2", CPU_POWERPC_970_v22, 970,
> "PowerPC 970 v2.2")
> POWERPC_DEF("970fx_v1.0", CPU_POWERPC_970FX_v10, 970,
> @@ -1389,8 +1389,8 @@ PowerPCCPUAlias ppc_cpu_aliases[] = {
> { "POWER5gs", "POWER5+_v2.1" },
> { "POWER7", "POWER7_v2.3" },
> { "POWER7+", "POWER7+_v2.1" },
> - { "POWER8E", "POWER8E_v1.0" },
> - { "POWER8", "POWER8_v1.0" },
> + { "POWER8E", "POWER8E_v2.1" },
> + { "POWER8", "POWER8_v2.0" },
> { "970", "970_v2.2" },
> { "970fx", "970fx_v3.1" },
> { "970mp", "970mp_v1.1" },
> diff --git a/target-ppc/cpu-models.h b/target-ppc/cpu-models.h
> index 9d80e72..2992427 100644
> --- a/target-ppc/cpu-models.h
> +++ b/target-ppc/cpu-models.h
> @@ -557,9 +557,9 @@ enum {
> CPU_POWERPC_POWER7P_BASE = 0x004A0000,
> CPU_POWERPC_POWER7P_v21 = 0x004A0201,
> CPU_POWERPC_POWER8E_BASE = 0x004B0000,
> - CPU_POWERPC_POWER8E_v10 = 0x004B0100,
> + CPU_POWERPC_POWER8E_v21 = 0x004B0201,
> CPU_POWERPC_POWER8_BASE = 0x004D0000,
> - CPU_POWERPC_POWER8_v10 = 0x004D0100,
> + CPU_POWERPC_POWER8_v20 = 0x004D0200,
> CPU_POWERPC_970_v22 = 0x00390202,
> CPU_POWERPC_970FX_v10 = 0x00391100,
> CPU_POWERPC_970FX_v20 = 0x003C0200,
--
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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[Qemu-devel] [PATCH 07/77] ppc: Add a bunch of hypervisor SPRs to Book3s, Benjamin Herrenschmidt, 2015/11/10
[Qemu-devel] [PATCH 01/77] ppc: Remove MMU_MODEn_SUFFIX definitions, Benjamin Herrenschmidt, 2015/11/10
[Qemu-devel] [PATCH 02/77] ppc: Use split I/D mmu modes to avoid flushes on interrupts, Benjamin Herrenschmidt, 2015/11/10