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Re: [Qemu-devel] [PATCH] target/openrisc: Fix delay slot exception flag
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [PATCH] target/openrisc: Fix delay slot exception flag to match spec |
Date: |
Sun, 1 Jul 2018 07:19:37 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 |
On 06/30/2018 10:11 PM, Stafford Horne wrote:
> The delay slot exception flag is only set on the SR register during
> exception. Previously it was being set on both the ESR and SR this
> caused QEMU to differ from the spec. The was apparent as the linux
> kernel had a bug where it could boot on QEMU but not on real hardware.
>
> The fixed logic now matches hardware.
>
> Signed-off-by: Stafford Horne <address@hidden>
> ---
> target/openrisc/interrupt.c | 19 ++++++++++++-------
> 1 file changed, 12 insertions(+), 7 deletions(-)
Reviewed-by: Richard Henderson <address@hidden>
r~