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[PATCH v4 0/3] Enable early bootup of Armv8-R AArch32 systems
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
- Date: Thu, 3 Apr 2025 18:12:38 +0100
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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>
- Delivery-date: Thu, 03 Apr 2025 17:13:11 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Enable early booting of Armv8-R AArch32 based systems.
Ayan Kumar Halder (3):
xen/arm: Move some of the functions to common file
xen/arm32: Create the same boot-time MPU regions as arm64
xen/arm32: mpu: Stubs to build MPU for arm32
xen/arch/arm/arm32/Makefile | 1 +
xen/arch/arm/arm32/mpu/Makefile | 3 +
xen/arch/arm/arm32/mpu/head.S | 91 +++++++++++++++++++
xen/arch/arm/arm32/mpu/p2m.c | 18 ++++
xen/arch/arm/arm32/mpu/smpboot.c | 23 +++++
xen/arch/arm/arm64/mpu/head.S | 88 +-----------------
xen/arch/arm/include/asm/arm64/sysregs.h | 11 +++
xen/arch/arm/include/asm/cpregs.h | 4 +
xen/arch/arm/include/asm/mm.h | 5 +
xen/arch/arm/include/asm/mpu/cpregs.h | 30 ++++++
.../include/asm/mpu/prepare_xen_region.inc | 89 ++++++++++++++++++
xen/arch/arm/mpu/Makefile | 1 +
xen/arch/arm/mpu/domain_page.c | 40 ++++++++
13 files changed, 317 insertions(+), 87 deletions(-)
create mode 100644 xen/arch/arm/arm32/mpu/Makefile
create mode 100644 xen/arch/arm/arm32/mpu/head.S
create mode 100644 xen/arch/arm/arm32/mpu/p2m.c
create mode 100644 xen/arch/arm/arm32/mpu/smpboot.c
create mode 100644 xen/arch/arm/include/asm/mpu/cpregs.h
create mode 100644 xen/arch/arm/include/asm/mpu/prepare_xen_region.inc
create mode 100644 xen/arch/arm/mpu/domain_page.c
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2.25.1
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