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From: Richard Henderson <richard.henderson@linaro.org>
To: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [PATCH 66/77] target/microblaze: Use tcg_gen_lookup_and_goto_ptr
Date: Fri, 28 Aug 2020 06:32:56 -0700	[thread overview]
Message-ID: <e3c97b4e-e78b-5e66-bda7-9d9da03990b6@linaro.org> (raw)
In-Reply-To: <20200828063350.GR2954729@toto>

On 8/27/20 11:33 PM, Edgar E. Iglesias wrote:
> On Tue, Aug 25, 2020 at 01:59:39PM -0700, Richard Henderson wrote:
>> When goto_tb cannot be used due to branch page crossing,
>> or due to indirect jumping, tcg_gen_lookup_and_goto_ptr
>> can be used instead.
>>
>> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> 
> Hi Richard,
> 
> This patch is for some reason causing some of our tests to fail.
> The PMU Firmware on the ZynqMP gets stuck.
> Looking at logs nothing obvious shows up, it just gets stuck.
> Bisected it to this patch, any ideas?

Failure to raise an exception properly, I think.  This patch makes it much less
likely to return to the main cpu loop.

The problem with the bisection, I think, is that this patch is in the middle.
It might be worthwhile to apply it directly to master and see what happens.

That said, I don't see what we could have missed in translate, setting
cpustate_changed...


r~


  reply	other threads:[~2020-08-28 13:33 UTC|newest]

Thread overview: 102+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-25 20:58 [PATCH 00/77] target/microblaze improvements Richard Henderson
2020-08-25 20:58 ` [PATCH 01/77] tests/tcg: Add microblaze to arches filter Richard Henderson
2020-08-26 16:20   ` Edgar E. Iglesias
2020-08-25 20:58 ` [PATCH 02/77] tests/tcg: Do not require FE_TOWARDZERO Richard Henderson
2020-08-26 16:20   ` Edgar E. Iglesias
2020-08-25 20:58 ` [PATCH 03/77] tests/tcg: Do not require FE_* exception bits Richard Henderson
2020-08-26 16:21   ` Edgar E. Iglesias
2020-08-25 20:58 ` [PATCH 04/77] target/microblaze: Tidy gdbstub Richard Henderson
2020-08-25 20:58 ` [PATCH 05/77] target/microblaze: Split out PC from env->sregs Richard Henderson
2020-08-25 20:58 ` [PATCH 06/77] target/microblaze: Split out MSR " Richard Henderson
2020-08-25 20:58 ` [PATCH 07/77] target/microblaze: Split out EAR " Richard Henderson
2020-08-25 20:58 ` [PATCH 08/77] target/microblaze: Split out ESR " Richard Henderson
2020-08-25 20:58 ` [PATCH 09/77] target/microblaze: Split out FSR " Richard Henderson
2020-08-25 20:58 ` [PATCH 10/77] target/microblaze: Split out BTR " Richard Henderson
2020-08-25 20:58 ` [PATCH 11/77] target/microblaze: Split out EDR " Richard Henderson
2020-08-25 20:58 ` [PATCH 12/77] target/microblaze: Split the cpu_SR array Richard Henderson
2020-08-25 20:58 ` [PATCH 13/77] target/microblaze: Fix width of PC and BTARGET Richard Henderson
2020-08-25 20:58 ` [PATCH 14/77] target/microblaze: Fix width of MSR Richard Henderson
2020-08-25 20:58 ` [PATCH 15/77] target/microblaze: Fix width of ESR Richard Henderson
2020-08-25 20:58 ` [PATCH 16/77] target/microblaze: Fix width of FSR Richard Henderson
2020-08-25 20:58 ` [PATCH 17/77] target/microblaze: Fix width of BTR Richard Henderson
2020-08-25 20:58 ` [PATCH 18/77] target/microblaze: Fix width of EDR Richard Henderson
2020-08-25 20:58 ` [PATCH 19/77] target/microblaze: Remove cpu_ear Richard Henderson
2020-08-25 20:58 ` [PATCH 20/77] target/microblaze: Tidy raising of exceptions Richard Henderson
2020-08-25 20:58 ` [PATCH 21/77] target/microblaze: Mark raise_exception as noreturn Richard Henderson
2020-08-25 20:58 ` [PATCH 22/77] target/microblaze: Remove helper_debug and env->debug Richard Henderson
2020-08-25 20:58 ` [PATCH 23/77] target/microblaze: Rename env_* tcg variables to cpu_* Richard Henderson
2020-08-25 20:58 ` [PATCH 24/77] target/microblaze: Tidy mb_tcg_init Richard Henderson
2020-08-25 20:58 ` [PATCH 25/77] target/microblaze: Split out MSR[C] to its own variable Richard Henderson
2020-08-25 20:58 ` [PATCH 26/77] target/microblaze: Use DISAS_NORETURN Richard Henderson
2020-08-25 20:59 ` [PATCH 27/77] target/microblaze: Check singlestep_enabled in gen_goto_tb Richard Henderson
2020-08-25 20:59 ` [PATCH 28/77] target/microblaze: Convert to DisasContextBase Richard Henderson
2020-08-25 20:59 ` [PATCH 29/77] target/microblaze: Convert to translator_loop Richard Henderson
2020-08-25 20:59 ` [PATCH 30/77] target/microblaze: Remove SIM_COMPAT Richard Henderson
2020-08-25 20:59 ` [PATCH 31/77] target/microblaze: Remove DISAS_GNU Richard Henderson
2020-08-25 20:59 ` [PATCH 32/77] target/microblaze: Remove empty D macros Richard Henderson
2020-08-25 20:59 ` [PATCH 33/77] target/microblaze: Remove LOG_DIS Richard Henderson
2020-08-25 20:59 ` [PATCH 34/77] target/microblaze: Ensure imm constant is always available Richard Henderson
2020-08-25 20:59 ` [PATCH 35/77] target/microblaze: Add decodetree infrastructure Richard Henderson
2020-08-25 20:59 ` [PATCH 36/77] target/microblaze: Convert dec_add to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 37/77] target/microblaze: Convert dec_sub " Richard Henderson
2020-08-25 20:59 ` [PATCH 38/77] target/microblaze: Implement cmp and cmpu inline Richard Henderson
2020-08-25 20:59 ` [PATCH 39/77] target/microblaze: Convert dec_pattern to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 40/77] target/microblaze: Convert dec_and, dec_or, dec_xor " Richard Henderson
2020-08-25 20:59 ` [PATCH 41/77] target/microblaze: Convert dec_mul " Richard Henderson
2020-08-25 20:59 ` [PATCH 42/77] target/microblaze: Convert dec_div " Richard Henderson
2020-08-25 20:59 ` [PATCH 43/77] target/microblaze: Unwind properly when raising divide-by-zero Richard Henderson
2020-08-25 20:59 ` [PATCH 44/77] target/microblaze: Convert dec_bit to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 45/77] target/microblaze: Convert dec_barrel " Richard Henderson
2020-08-25 20:59 ` [PATCH 46/77] target/microblaze: Convert dec_imm " Richard Henderson
2020-08-25 20:59 ` [PATCH 47/77] target/microblaze: Convert dec_fpu " Richard Henderson
2020-08-25 20:59 ` [PATCH 48/77] target/microblaze: Fix cpu unwind for fpu exceptions Richard Henderson
2020-08-25 20:59 ` [PATCH 49/77] target/microblaze: Mark fpu helpers TCG_CALL_NO_WG Richard Henderson
2020-08-25 20:59 ` [PATCH 50/77] target/microblaze: Replace MSR_EE_FLAG with MSR_EE Richard Henderson
2020-08-25 20:59 ` [PATCH 51/77] target/microblaze: Cache mem_index in DisasContext Richard Henderson
2020-08-25 20:59 ` [PATCH 52/77] target/microblaze: Fix cpu unwind for stackprot Richard Henderson
2020-08-25 20:59 ` [PATCH 53/77] target/microblaze: Convert dec_load and dec_store to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 54/77] target/microblaze: Assert no overlap in flags making up tb_flags Richard Henderson
2020-08-25 20:59 ` [PATCH 55/77] target/microblaze: Move bimm to BIMM_FLAG Richard Henderson
2020-08-25 20:59 ` [PATCH 56/77] target/microblaze: Store "current" iflags in insn_start Richard Henderson
2020-08-25 20:59 ` [PATCH 57/77] tcg: Add tcg_get_insn_start_param Richard Henderson
2020-08-25 20:59 ` [PATCH 58/77] target/microblaze: Use cc->do_unaligned_access Richard Henderson
2020-08-25 20:59 ` [PATCH 59/77] target/microblaze: Replace clear_imm with tb_flags_to_set Richard Henderson
2020-08-25 20:59 ` [PATCH 60/77] target/microblaze: Replace delayed_branch " Richard Henderson
2020-08-25 20:59 ` [PATCH 61/77] target/microblaze: Tidy mb_cpu_dump_state Richard Henderson
2020-08-25 20:59 ` [PATCH 62/77] target/microblaze: Try to keep imm and delay slot together Richard Henderson
2020-08-27 19:17   ` Edgar E. Iglesias
2020-08-27 21:33     ` Richard Henderson
2020-08-29 15:27     ` Richard Henderson
2020-08-25 20:59 ` [PATCH 63/77] target/microblaze: Convert brk and brki to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 64/77] target/microblaze: Convert mbar " Richard Henderson
2020-08-27  9:24   ` Edgar E. Iglesias
2020-08-27  9:58     ` Richard Henderson
2020-08-27 10:08       ` Edgar E. Iglesias
2020-08-27 11:11         ` Richard Henderson
2020-08-25 20:59 ` [PATCH 65/77] target/microblaze: Reorganize branching Richard Henderson
2020-08-25 20:59 ` [PATCH 66/77] target/microblaze: Use tcg_gen_lookup_and_goto_ptr Richard Henderson
2020-08-28  6:33   ` Edgar E. Iglesias
2020-08-28 13:32     ` Richard Henderson [this message]
2020-08-25 20:59 ` [PATCH 67/77] target/microblaze: Convert dec_br to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 68/77] target/microblaze: Convert dec_bcc " Richard Henderson
2020-08-25 20:59 ` [PATCH 69/77] target/microblaze: Convert dec_rts " Richard Henderson
2020-08-25 20:59 ` [PATCH 70/77] target/microblaze: Tidy do_rti, do_rtb, do_rte Richard Henderson
2020-08-25 20:59 ` [PATCH 71/77] target/microblaze: Convert msrclr, msrset to decodetree Richard Henderson
2020-08-25 20:59 ` [PATCH 72/77] target/microblaze: Convert dec_msr " Richard Henderson
2020-08-25 20:59 ` [PATCH 73/77] target/microblaze: Convert dec_stream " Richard Henderson
2020-08-27 21:10   ` Edgar E. Iglesias
2020-08-27 21:12     ` Richard Henderson
2020-08-25 20:59 ` [PATCH 74/77] target/microblaze: Remove last of old decoder Richard Henderson
2020-08-25 20:59 ` [PATCH 75/77] target/microblaze: Remove cpu_R[0] Richard Henderson
2020-08-25 20:59 ` [PATCH 76/77] target/microblaze: Add flags markup to some helpers Richard Henderson
2020-08-25 20:59 ` [PATCH 77/77] target/microblaze: Reduce linux-user address space to 32-bit Richard Henderson
2020-08-26 15:27 ` [PATCH 00/77] target/microblaze improvements Edgar E. Iglesias
2020-08-26 18:07 ` Edgar E. Iglesias
2020-08-27  9:11 ` Edgar E. Iglesias
2020-08-27 10:01   ` Richard Henderson
2020-08-27 10:22     ` Edgar E. Iglesias
2020-08-27 11:19       ` Richard Henderson
2020-08-27 17:09         ` Edgar E. Iglesias
2020-08-28 13:36           ` Richard Henderson
2020-08-28 14:04             ` Edgar E. Iglesias
2020-08-28 13:19 ` Edgar E. Iglesias

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