From: Luca Fancellu <luca.fance...@arm.com> Implement remove_early_mappings for MPU systems.
Signed-off-by: Luca Fancellu <luca.fance...@arm.com> Signed-off-by: Hari Limaye <hari.lim...@arm.com> --- xen/arch/arm/mpu/setup.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/xen/arch/arm/mpu/setup.c b/xen/arch/arm/mpu/setup.c index ab00cb944b..5928b534d5 100644 --- a/xen/arch/arm/mpu/setup.c +++ b/xen/arch/arm/mpu/setup.c @@ -97,7 +97,14 @@ void __init copy_from_paddr(void *dst, paddr_t paddr, unsigned long len) void __init remove_early_mappings(void) { - BUG_ON("unimplemented"); + int rc; + + if ( mapped_fdt_paddr == INVALID_PADDR ) + return; + + rc = destroy_xen_mappings(round_pgdown(mapped_fdt_paddr), mapped_fdt_limit); + if ( rc ) + panic("Unable to unmap the device-tree.\n"); } /* -- 2.34.1