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[PATCH v5 0/3] Enable early bootup of AArch64 MPU systems
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
- Date: Thu, 7 Nov 2024 15:03:27 +0000
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- Cc: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, "Volodymyr Babchuk" <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>
- Delivery-date: Thu, 07 Nov 2024 15:04:05 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
We have enabled early booting of R82.
Changes from v2 :-
1. Added a new patch "xen/arm: Skip initializing the BSS section when it is
empty".
2. Split "xen/arm: mpu: Create boot-time MPU protection regions" into 2 patches.
Changes from v3 :-
1. Removed some of the R-b as the patches have been modified.
Changes from v4 :-
1. First 3 patches have been committed. Last 3 patches have been rebased.
Ayan Kumar Halder (3):
xen/arm: mpu: Create boot-time MPU protection regions
xen/arm: mpu: Enable MPU
xen/arm: mpu: Implement a dummy enable_secondary_cpu_mm
xen/arch/Kconfig | 2 +
xen/arch/arm/arch.mk | 4 +
xen/arch/arm/arm64/mpu/Makefile | 1 +
xen/arch/arm/arm64/mpu/head.S | 159 +++++++++++++++++++++++++++
xen/arch/arm/include/asm/arm64/mpu.h | 25 +++++
xen/arch/arm/include/asm/mm.h | 2 +-
xen/arch/arm/smp.c | 11 ++
xen/arch/arm/xen.lds.S | 1 +
8 files changed, 204 insertions(+), 1 deletion(-)
create mode 100644 xen/arch/arm/arm64/mpu/head.S
create mode 100644 xen/arch/arm/include/asm/arm64/mpu.h
--
2.25.1
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