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From: "Alex Bennée" <alex.bennee@linaro.org>
To: qemu-arm@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [PATCH v8 00/22] target/arm: Reduce overhead of cpu_get_tb_cpu_state
Date: Wed, 23 Oct 2019 16:17:26 +0100	[thread overview]
Message-ID: <87zhhrmqyh.fsf@linaro.org> (raw)
In-Reply-To: <6e06dede-2470-92e1-eba9-40646ed56af0@linaro.org>


Richard Henderson <richard.henderson@linaro.org> writes:

> On 10/22/19 11:38 AM, Peter Maydell wrote:
>> Turns out this asserts in qemu-armeb :-(
>>
>> /home/petmay01/linaro/qemu-for-merges/build/all-linux-static/armeb-linux-user/qemu-armeb
>> -L ./gnemul/qemu-armeb armeb/ls -l dummyfile
>> qemu-armeb: /home/petmay01/linaro/qemu-for-merges/target/arm/helper.c:11267:
>> cpu_get_tb_cpu_state: Assertion `flags ==
>> rebuild_hflags_internal(env)' failed.
>> qemu: uncaught target signal 11 (Segmentation fault) - core dumped
>> Segmentation fault (core dumped)
>>
>> Dropping this series again for the moment.
> Argh!  I had forgotten that we have no testing of armeb in check-tcg.

Does it need it's own toolchain or can it be done with flags?

>
> Yes, I see now that we need a recompute in linux-user/{aarch64,arm}/cpu_loop.c
> specific to TARGET_WORDS_BIGENDIAN.
>
>
> r~


--
Alex Bennée


  reply	other threads:[~2019-10-23 15:59 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-18 17:44 [PATCH v8 00/22] target/arm: Reduce overhead of cpu_get_tb_cpu_state Richard Henderson
2019-10-18 17:44 ` [PATCH v8 01/22] target/arm: Split out rebuild_hflags_common Richard Henderson
2019-10-18 17:44 ` [PATCH v8 02/22] target/arm: Split out rebuild_hflags_a64 Richard Henderson
2019-10-18 17:44 ` [PATCH v8 03/22] target/arm: Split out rebuild_hflags_common_32 Richard Henderson
2019-10-18 17:44 ` [PATCH v8 04/22] target/arm: Split arm_cpu_data_is_big_endian Richard Henderson
2019-10-18 17:44 ` [PATCH v8 05/22] target/arm: Split out rebuild_hflags_m32 Richard Henderson
2019-10-18 17:44 ` [PATCH v8 06/22] target/arm: Reduce tests vs M-profile in cpu_get_tb_cpu_state Richard Henderson
2019-10-18 17:44 ` [PATCH v8 07/22] target/arm: Split out rebuild_hflags_a32 Richard Henderson
2019-10-18 17:44 ` [PATCH v8 08/22] target/arm: Split out rebuild_hflags_aprofile Richard Henderson
2019-10-18 17:44 ` [PATCH v8 09/22] target/arm: Hoist XSCALE_CPAR, VECLEN, VECSTRIDE in cpu_get_tb_cpu_state Richard Henderson
2019-10-18 17:44 ` [PATCH v8 10/22] target/arm: Simplify set of PSTATE_SS " Richard Henderson
2019-10-18 17:44 ` [PATCH v8 11/22] target/arm: Hoist computation of TBFLAG_A32.VFPEN Richard Henderson
2019-10-18 17:44 ` [PATCH v8 12/22] target/arm: Add arm_rebuild_hflags Richard Henderson
2019-10-18 17:44 ` [PATCH v8 13/22] target/arm: Split out arm_mmu_idx_el Richard Henderson
2019-10-18 17:44 ` [PATCH v8 14/22] target/arm: Hoist store to cs_base in cpu_get_tb_cpu_state Richard Henderson
2019-10-18 17:44 ` [PATCH v8 15/22] target/arm: Add HELPER(rebuild_hflags_{a32, a64, m32}) Richard Henderson
2019-10-18 17:44 ` [PATCH v8 16/22] target/arm: Rebuild hflags at EL changes Richard Henderson
2019-10-18 17:44 ` [PATCH v8 17/22] target/arm: Rebuild hflags at MSR writes Richard Henderson
2019-10-18 17:44 ` [PATCH v8 18/22] target/arm: Rebuild hflags at CPSR writes Richard Henderson
2019-10-18 17:44 ` [PATCH v8 19/22] target/arm: Rebuild hflags at Xscale SCTLR writes Richard Henderson
2019-10-18 17:44 ` [PATCH v8 20/22] target/arm: Rebuild hflags for M-profile Richard Henderson
2019-10-18 17:44 ` [PATCH v8 21/22] target/arm: Rebuild hflags for M-profile NVIC Richard Henderson
2019-10-18 17:44 ` [PATCH v8 22/22] target/arm: Rely on hflags correct in cpu_get_tb_cpu_state Richard Henderson
2019-10-22 12:47 ` [PATCH v8 00/22] target/arm: Reduce overhead of cpu_get_tb_cpu_state Peter Maydell
2019-10-22 15:38   ` Peter Maydell
2019-10-23 14:49     ` Richard Henderson
2019-10-23 15:17       ` Alex Bennée [this message]
2019-10-23 16:13         ` Richard Henderson
2019-10-23 18:06           ` Alex Bennée

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