diff options
Diffstat (limited to 'lib/aarch64/cpu_helpers.S')
| -rw-r--r-- | lib/aarch64/cpu_helpers.S | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/lib/aarch64/cpu_helpers.S b/lib/aarch64/cpu_helpers.S index 4e5eb5bd..abb996d6 100644 --- a/lib/aarch64/cpu_helpers.S +++ b/lib/aarch64/cpu_helpers.S @@ -35,13 +35,11 @@ func cpu_reset_handler - mov x19, x30 // lr - /* --------------------------------------------- * As a bare minimal enable the SMP bit. * --------------------------------------------- */ - bl read_midr + mrs x0, midr_el1 lsr x0, x0, #MIDR_PN_SHIFT and x0, x0, #MIDR_PN_MASK cmp x0, #MIDR_PN_A57 @@ -49,9 +47,9 @@ func cpu_reset_handler cmp x0, #MIDR_PN_A53 b.ne smp_setup_end smp_setup_begin: - bl read_cpuectlr + mrs x0, CPUECTLR_EL1 orr x0, x0, #CPUECTLR_SMP_BIT - bl write_cpuectlr + msr CPUECTLR_EL1, x0 isb smp_setup_end: - ret x19 + ret |