diff options
Diffstat (limited to 'xen/arch/arm/arm64/head.S')
| -rw-r--r-- | xen/arch/arm/arm64/head.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/xen/arch/arm/arm64/head.S b/xen/arch/arm/arm64/head.S index aa1f88c764..057dd5d925 100644 --- a/xen/arch/arm/arm64/head.S +++ b/xen/arch/arm/arm64/head.S @@ -473,6 +473,12 @@ cpu_init: ldr x0, =(TCR_RES1|TCR_SH0_IS|TCR_ORGN0_WBWA|TCR_IRGN0_WBWA|TCR_T0SZ(64-48)) /* ID_AA64MMFR0_EL1[3:0] (PARange) corresponds to TCR_EL2[18:16] (PS) */ mrs x1, ID_AA64MMFR0_EL1 + /* Limit to 48 bits, 256TB PA range (#5) */ + ubfm x1, x1, #0, #3 + mov x2, #5 + cmp x1, x2 + csel x1, x1, x2, lt + bfi x0, x1, #16, #3 msr tcr_el2, x0 |