[v3,0/7] First chunk for Arm R82 and MPU support

Message

Luca Fancellu April 11, 2025, 2:56 p.m. UTC

Hi all,

This is the first chunk of work to support MPU and R82 on Xen, this serie
reaches the early boot stages until setup_pagetables() which is not used for MPU
but it is just to give an idea about which stage of the boot is reached.

v3 changes:
 - stated on each patch
v2 changes for this serie:
 - rebased serie on the MPU skeleton that allow compilation
 - removed some patches already merged in the MPU skeleton


Luca Fancellu (6):
  arm/mpu: Provide access to the MPU region from the C code
  arm/mpu: Introduce utility functions for the pr_t type
  arm/mpu: Provide a constructor for pr_t type
  arm/mpu: Introduce MPU memory mapping flags
  arm/mpu: Implement early_fdt_map support in MPU systems
  arm/mpu: Implement setup_mpu for MPU system

Penny Zheng (1):
  arm/mpu: Introduce MPU memory region map structure

 xen/arch/arm/include/asm/arm64/mpu.h |  62 +++++++
 xen/arch/arm/include/asm/mpu.h       |  52 ++++++
 xen/arch/arm/include/asm/mpu/mm.h    |  27 +++
 xen/arch/arm/include/asm/page.h      |  25 +++
 xen/arch/arm/mpu/mm.c                | 251 ++++++++++++++++++++++++++-
 xen/arch/arm/mpu/setup.c             |  54 +++++-
 6 files changed, 468 insertions(+), 3 deletions(-)
 create mode 100644 xen/arch/arm/include/asm/arm64/mpu.h