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Re: [Qemu-ppc] [PATCH 01/13] target/ppc: Add do_unaligned_access hook
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-ppc] [PATCH 01/13] target/ppc: Add do_unaligned_access hook |
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Date: |
Wed, 27 Jun 2018 06:52:49 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 |
On 06/27/2018 02:09 AM, David Gibson wrote:
> On Tue, Jun 26, 2018 at 09:19:09AM -0700, Richard Henderson wrote:
>> This allows faults from MO_ALIGN to have the same effect
>> as from gen_check_align.
>>
>> Signed-off-by: Richard Henderson <address@hidden>
>
> So, most powerpc cpus can handle most unaligned accesses without an
> exception. I'm assuming this series won't preclude that?
Correct. This hook will only fire when using MO_ALIGN to
request an alignment check.
r~
[Qemu-ppc] [PATCH 05/13] target/ppc: Remove POWERPC_EXCP_STCX, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 06/13] target/ppc: Tidy gen_conditional_store, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 07/13] target/ppc: Split out gen_load_locked, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 09/13] target/ppc: Split out gen_st_atomic, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 08/13] target/ppc: Split out gen_ld_atomic, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 10/13] target/ppc: Use MO_ALIGN for EXIWX and ECOWX, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 12/13] target/ppc: Implement the rest of gen_ld_atomic, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 04/13] target/ppc: Use atomic cmpxchg for STQCX, Richard Henderson, 2018/06/26
[Qemu-ppc] [PATCH 11/13] target/ppc: Use atomic min/max helpers, Richard Henderson, 2018/06/26