diff options
Diffstat (limited to 'xen/arch/arm/mm.c')
| -rw-r--r-- | xen/arch/arm/mm.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c index 4521c8d4f1..5cb6dac3a5 100644 --- a/xen/arch/arm/mm.c +++ b/xen/arch/arm/mm.c @@ -361,6 +361,13 @@ static inline lpae_t pte_of_xenaddr(vaddr_t va) return mfn_to_xen_entry(mfn); } +void __init remove_early_mappings(void) +{ + lpae_t pte = {0}; + write_pte(xen_second + second_table_offset(BOOT_FDT_VIRT_START), pte); + flush_xen_data_tlb_range_va(BOOT_FDT_VIRT_START, SECOND_SIZE); +} + /* Boot-time pagetable setup. * Changes here may need matching changes in head.S */ void __init setup_pagetables(unsigned long boot_phys_offset, paddr_t xen_paddr) @@ -401,7 +408,8 @@ void __init setup_pagetables(unsigned long boot_phys_offset, paddr_t xen_paddr) p[second_linear_offset(va)].bits = 0; } for ( i = 0; i < 4 * LPAE_ENTRIES; i++) - if ( p[i].pt.valid ) + /* The FDT is not relocated */ + if ( p[i].pt.valid && i != second_linear_offset(BOOT_FDT_VIRT_START) ) p[i].pt.base += (phys_offset - boot_phys_offset) >> PAGE_SHIFT; /* Change pagetables to the copy in the relocated Xen */ |