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Re: [PATCH 3/6] target/microblaze: Assert transaction failures have exce
From: |
Edgar E. Iglesias |
Subject: |
Re: [PATCH 3/6] target/microblaze: Assert transaction failures have exception enabled |
Date: |
Thu, 3 Jun 2021 18:30:18 +0200 |
On Thu, Jun 03, 2021 at 11:03:07AM +0200, Philippe Mathieu-Daudé wrote:
> If exceptions are disabled, we must not get a transaction failure.
> Assert they are enabled passed that point.
>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> target/microblaze/op_helper.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/target/microblaze/op_helper.c b/target/microblaze/op_helper.c
> index 8d20522ee88..1048e656e27 100644
> --- a/target/microblaze/op_helper.c
> +++ b/target/microblaze/op_helper.c
> @@ -122,9 +122,7 @@ void mb_cpu_transaction_failed(CPUState *cs, hwaddr
> physaddr, vaddr addr,
> access_type == MMU_INST_FETCH ? "INST_FETCH" :
> (access_type == MMU_DATA_LOAD ? "DATA_LOAD" :
> "DATA_STORE"));
>
> - if (!(env->msr & MSR_EE)) {
> - return;
> - }
> + assert(env->msr & MSR_EE);
This doesn't look correct. MSR_EE is a runtime flag...
>
> if (access_type == MMU_INST_FETCH) {
> if (!cpu->cfg.iopb_bus_exception) {
> --
> 2.26.3
>
- [PATCH 0/6] target/microblaze: Clean up MMU translation failed path, Philippe Mathieu-Daudé, 2021/06/03
- [PATCH 1/6] target/microblaze: Use the IEC binary prefix definitions, Philippe Mathieu-Daudé, 2021/06/03
- [PATCH 2/6] target/microblaze: Extract FPU helpers to fpu_helper.c, Philippe Mathieu-Daudé, 2021/06/03
- [PATCH 3/6] target/microblaze: Assert transaction failures have exception enabled, Philippe Mathieu-Daudé, 2021/06/03
- Re: [PATCH 3/6] target/microblaze: Assert transaction failures have exception enabled,
Edgar E. Iglesias <=
- [PATCH 4/6] target/microblaze: Fix Exception Status Register 'Cause' definitions, Philippe Mathieu-Daudé, 2021/06/03
- [PATCH 5/6] target/microblaze: Replace magic values by proper definitions, Philippe Mathieu-Daudé, 2021/06/03
- [PATCH 6/6] target/microblaze: Set OPB bits in tlb_fill, not in transaction_failed, Philippe Mathieu-Daudé, 2021/06/03