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Re: [PATCH v8 00/22] target/arm: Reduce overhead of cpu_get_tb_cpu_state
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From: |
Richard Henderson |
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Subject: |
Re: [PATCH v8 00/22] target/arm: Reduce overhead of cpu_get_tb_cpu_state |
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Date: |
Wed, 23 Oct 2019 10:49:24 -0400 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 |
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.
Yes, I see now that we need a recompute in linux-user/{aarch64,arm}/cpu_loop.c
specific to TARGET_WORDS_BIGENDIAN.
r~
- [PATCH v8 13/22] target/arm: Split out arm_mmu_idx_el, (continued)
- [PATCH v8 13/22] target/arm: Split out arm_mmu_idx_el, Richard Henderson, 2019/10/18
- [PATCH v8 16/22] target/arm: Rebuild hflags at EL changes, Richard Henderson, 2019/10/18
- [PATCH v8 17/22] target/arm: Rebuild hflags at MSR writes, Richard Henderson, 2019/10/18
- [PATCH v8 18/22] target/arm: Rebuild hflags at CPSR writes, Richard Henderson, 2019/10/18
- [PATCH v8 19/22] target/arm: Rebuild hflags at Xscale SCTLR writes, Richard Henderson, 2019/10/18
- [PATCH v8 20/22] target/arm: Rebuild hflags for M-profile, Richard Henderson, 2019/10/18
- [PATCH v8 21/22] target/arm: Rebuild hflags for M-profile NVIC, Richard Henderson, 2019/10/18
- [PATCH v8 22/22] target/arm: Rely on hflags correct in cpu_get_tb_cpu_state, Richard Henderson, 2019/10/18
- Re: [PATCH v8 00/22] target/arm: Reduce overhead of cpu_get_tb_cpu_state, Peter Maydell, 2019/10/22