From: Richard Henderson <richard.henderson@linaro.org>
To: Joelle van Dyne <j@getutm.app>
Cc: QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [PATCH v2 18/19] tcg/aarch64: Implement flush_idcache_range manually
Date: Tue, 3 Nov 2020 15:08:34 -0800 [thread overview]
Message-ID: <b5136404-3423-cdfb-0979-aa544c704163@linaro.org> (raw)
In-Reply-To: <CA+E+eSB64cm8GPsuEYNQJLkF2gPiF2oueYPOOTtxpYy7hWzTRg@mail.gmail.com>
On 10/31/20 6:25 PM, Joelle van Dyne wrote:
> Unfortunately this crashes on iOS/Apple Silicon macOS.
>
> (lldb) bt
> * thread #19, stop reason = EXC_BAD_INSTRUCTION (code=1, subcode=0xd53b002a)
> * frame #0: 0x00000001169501e0
> libqemu-x86_64-softmmu.utm.dylib`tcg_prologue_init + 760
> ...
> (lldb) x/i 0x00000001169501e0
> -> 0x1169501e0: 0xd53b002a mrs x10, CTR_EL0
That is *really* annoying. Why in the world would Apple not set SCTLR_ELx.UCT?
There's nothing that the OS can do better than the application for ARMv8.0-A.
Oh well. I'll paste your code in.
r~
next prev parent reply other threads:[~2020-11-03 23:09 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-30 0:49 [PATCH v2 00/19] Mirror map JIT memory for TCG Richard Henderson
2020-10-30 0:49 ` [PATCH v2 01/19] tcg: Enhance flush_icache_range with separate data pointer Richard Henderson
2020-11-01 6:54 ` Joelle van Dyne
2020-11-03 23:02 ` Richard Henderson
2020-10-30 0:49 ` [PATCH v2 02/19] tcg: Move tcg prologue pointer out of TCGContext Richard Henderson
2020-10-30 0:49 ` [PATCH v2 03/19] tcg: Move tcg epilogue " Richard Henderson
2020-10-30 0:49 ` [PATCH v2 04/19] tcg: Introduce tcg_mirror_rw_to_rx/tcg_mirror_rx_to_rw Richard Henderson
2020-10-30 0:49 ` [PATCH v2 05/19] tcg: Adjust tcg_out_call for const Richard Henderson
2020-10-30 0:49 ` [PATCH v2 06/19] tcg: Adjust tcg_out_label " Richard Henderson
2020-10-30 0:49 ` [PATCH v2 07/19] tcg: Adjust tcg_register_jit " Richard Henderson
2020-10-30 0:49 ` [PATCH v2 08/19] tcg: Adjust tb_target_set_jmp_target for split rwx Richard Henderson
2020-10-30 0:49 ` [PATCH v2 09/19] tcg: Make DisasContextBase.tb const Richard Henderson
2020-10-30 0:49 ` [PATCH v2 10/19] tcg: Make tb arg to synchronize_from_tb const Richard Henderson
2020-10-30 0:49 ` [PATCH v2 11/19] tcg: Use Error with alloc_code_gen_buffer Richard Henderson
2020-10-30 0:49 ` [PATCH v2 12/19] tcg: Add --accel tcg,split-rwx property Richard Henderson
2020-10-30 0:49 ` [PATCH v2 13/19] accel/tcg: Support split-rwx for linux with memfd Richard Henderson
2020-10-30 0:49 ` [PATCH v2 14/19] RFC: accel/tcg: Support split-rwx for darwin/iOS with vm_remap Richard Henderson
2020-11-01 1:42 ` Joelle van Dyne
2020-11-01 21:11 ` Joelle van Dyne
2020-10-30 0:49 ` [PATCH v2 15/19] tcg: Return the rx mirror of TranslationBlock from exit_tb Richard Henderson
2020-10-30 0:49 ` [PATCH v2 16/19] tcg/i386: Support split-rwx code generation Richard Henderson
2020-10-30 0:49 ` [PATCH v2 17/19] tcg/aarch64: Use B not BL for tcg_out_goto_long Richard Henderson
2020-10-30 0:49 ` [PATCH v2 18/19] tcg/aarch64: Implement flush_idcache_range manually Richard Henderson
2020-11-01 1:25 ` Joelle van Dyne
2020-11-01 15:09 ` Richard Henderson
2020-11-03 23:08 ` Richard Henderson [this message]
2020-10-30 0:49 ` [PATCH v2 19/19] tcg/aarch64: Support split-rwx code generation Richard Henderson
2020-10-30 1:27 ` [PATCH v2 00/19] Mirror map JIT memory for TCG no-reply
2020-10-30 18:26 ` Paolo Bonzini
2020-10-30 18:57 ` Richard Henderson
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