diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig index cf6af68299..0d81a4d8b4 100644 --- a/xen/arch/arm/Kconfig +++ b/xen/arch/arm/Kconfig @@ -91,6 +91,7 @@ config MMU config MPU bool "MPU" if UNSUPPORTED + select ARCH_MAP_DOMAIN_PAGE select STATIC_MEMORY help Memory Protection Unit (MPU). Select if you plan to run Xen on ARMv8-R diff --git a/xen/arch/arm/mpu/Makefile b/xen/arch/arm/mpu/Makefile index 4963c8b550..3327fadd5d 100644 --- a/xen/arch/arm/mpu/Makefile +++ b/xen/arch/arm/mpu/Makefile @@ -1,5 +1,6 @@ obj-$(CONFIG_ARM_32) += arm32/ obj-$(CONFIG_ARM_64) += arm64/ +obj-y += domain-page.o obj-y += mm.o obj-y += p2m.o obj-y += setup.init.o diff --git a/xen/arch/arm/mpu/domain-page.c b/xen/arch/arm/mpu/domain-page.c new file mode 100644 index 0000000000..b79afc493b --- /dev/null +++ b/xen/arch/arm/mpu/domain-page.c @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include +#include +#include + +void *map_domain_page_global(mfn_t mfn) +{ + BUG_ON("unimplemented"); + return NULL; +} + +/* Map a page of domheap memory */ +void *map_domain_page(mfn_t mfn) +{ + return vmap_contig(mfn, 1); +} + +/* Release a mapping taken with map_domain_page() */ +void unmap_domain_page(const void *ptr) +{ + vunmap(ptr); +} + +mfn_t domain_page_map_to_mfn(const void *ptr) +{ + BUG_ON("unimplemented"); + return INVALID_MFN; +} + +void unmap_domain_page_global(const void *va) +{ + BUG_ON("unimplemented"); +} + +/* + * Local variables: + * mode: C + * c-file-style: "BSD" + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + */