Hi Julien
> -Original Message-
> From: Julien Grall
> Sent: Monday, November 7, 2022 5:30 PM
> To: Penny Zheng ; Wei Chen
> ; xen-devel@lists.xenproject.org
> Cc: nd ; Stefano Stabellini ; Bertrand
> Marquis ; Volodymyr Babchuk
>
> Subject: Re: [PATCH v6 09
On 07/11/2022 06:59, Penny Zheng wrote:
Hi Julien
Hi Penny,
+
+/*
+ * In boot stage, we will use 1 MPU region:
+ * Region#0: Normal memory for Xen text + data + bss (2MB)
+ */
Are we only going to modify the MPU in head.S? If not, then I would
define the layout in config_mpu.h so there are
Hi Julien
> -Original Message-
> From: Julien Grall
> Sent: Monday, November 7, 2022 4:47 AM
> To: Wei Chen ; xen-devel@lists.xenproject.org
> Cc: nd ; Penny Zheng ; Stefano
> Stabellini ; Bertrand Marquis
> ; Volodymyr Babchuk
>
> Subject: Re: [PATCH v6 09
Hi Wei,
On 04/11/2022 10:07, Wei Chen wrote:
From: Penny Zheng
Like boot-time page table in MMU system, we need a boot-time
MPU protection region configuration in MPU system so Xen can
fetch code and data from normal memory.
This operation need to access Armv8-R MPU system registers, but
thes
