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Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emu
From: |
Benjamin Herrenschmidt |
Subject: |
Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation |
Date: |
Sun, 19 Jun 2016 09:29:50 +1000 |
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Organization: IBM Australia
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On Fri, 2016-06-17 at 12:41 +0200, Cédric Le Goater wrote:
>
> This is too brutal :
>
> +Â Â Â /* This instruction doesn't exist anymore on 64-bit server
> +Â Â Â Â * processors compliant with arch 2.x
> +Â Â Â Â */
> +Â Â Â if (ctx->insns_flags & PPC_SEGMENT_64B) {
> +Â Â Â Â Â Â Â gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
> +Â Â Â Â Â Â Â return;
> +Â Â Â }
> Â Â Â Â Â Â Â Â
>
> There are a couple of instructions which have been deleted fromÂ
> ISA 2.x. rfi is one of them. Could we use a insn_flag to filter
> them ?Â
Why is it too brutal ? We don't really support pre-arch 2.0 64-bit
processors do we ?
Cheers,
Ben.
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, (continued)
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Thomas Huth, 2016/06/17
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Cédric Le Goater, 2016/06/17
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Cédric Le Goater, 2016/06/17
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Thomas Huth, 2016/06/17
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Alexander Graf, 2016/06/17
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Cédric Le Goater, 2016/06/17
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/18
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Benjamin Herrenschmidt, 2016/06/18
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation,
Benjamin Herrenschmidt <=
- Re: [Qemu-devel] [PATCH 01/10] ppc: Fix rfi/rfid/hrfi/... emulation, Cédric Le Goater, 2016/06/17
[Qemu-devel] [PATCH 03/10] ppc: Rework POWER7 & POWER8 exception model (part 2), Cédric Le Goater, 2016/06/13
[Qemu-devel] [PATCH 04/10] ppc: Fix POWER7 and POWER8 exception definitions, Cédric Le Goater, 2016/06/13
[Qemu-devel] [PATCH 05/10] ppc: Fix generation if ISI/DSI vs. HV mode, Cédric Le Goater, 2016/06/13