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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v4 0/6] Enable early bootup of AArch64 MPU systems
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. Ayan Kumar Halder (6): xen/arm: Skip initializing the BSS section when it is empty xen/arm: mpu: Introduce choice between MMU and MPU xen/arm: mpu: Define Xen start address for MPU systems xen/arm: mpu: Create boot-time MPU protection regions xen/arm: mpu: Enable MPU xen/arm: mpu: Implement a dummy enable_secondary_cpu_mm CHANGELOG.md | 2 + SUPPORT.md | 1 + xen/arch/Kconfig | 2 + xen/arch/arm/Kconfig | 27 +++- xen/arch/arm/arm32/head.S | 3 + xen/arch/arm/arm64/Makefile | 1 + xen/arch/arm/arm64/head.S | 2 + xen/arch/arm/arm64/mpu/Makefile | 2 + xen/arch/arm/arm64/mpu/head.S | 158 +++++++++++++++++++ xen/arch/arm/arm64/mpu/mm.c | 15 ++ xen/arch/arm/include/asm/arm64/mpu/sysregs.h | 30 ++++ xen/arch/arm/include/asm/config.h | 4 +- xen/arch/arm/include/asm/mm.h | 2 + xen/arch/arm/include/asm/mpu/arm64/mm.h | 22 +++ xen/arch/arm/include/asm/mpu/layout.h | 33 ++++ xen/arch/arm/include/asm/mpu/mm.h | 20 +++ xen/arch/arm/platforms/Kconfig | 2 +- xen/arch/arm/smp.c | 11 ++ xen/arch/arm/xen.lds.S | 8 + 19 files changed, 342 insertions(+), 3 deletions(-) create mode 100644 xen/arch/arm/arm64/mpu/Makefile create mode 100644 xen/arch/arm/arm64/mpu/head.S create mode 100644 xen/arch/arm/arm64/mpu/mm.c create mode 100644 xen/arch/arm/include/asm/arm64/mpu/sysregs.h create mode 100644 xen/arch/arm/include/asm/mpu/arm64/mm.h create mode 100644 xen/arch/arm/include/asm/mpu/layout.h create mode 100644 xen/arch/arm/include/asm/mpu/mm.h -- 2.25.1
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