diff options
Diffstat (limited to 'lib/cpus/aarch64/cortex_a75.S')
| -rw-r--r-- | lib/cpus/aarch64/cortex_a75.S | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/lib/cpus/aarch64/cortex_a75.S b/lib/cpus/aarch64/cortex_a75.S index 12ea304d..d1027951 100644 --- a/lib/cpus/aarch64/cortex_a75.S +++ b/lib/cpus/aarch64/cortex_a75.S @@ -12,15 +12,7 @@ func cortex_a75_reset_func #if IMAGE_BL31 && WORKAROUND_CVE_2017_5715 - mrs x0, id_aa64pfr0_el1 - ubfx x0, x0, #ID_AA64PFR0_CSV2_SHIFT, #ID_AA64PFR0_CSV2_LENGTH - /* - * If the field equals to 1 then branch targets trained in one - * context cannot affect speculative execution in a different context. - */ - cmp x0, #1 - beq 1f - + cpu_check_csv2 x0, 1f adr x0, workaround_bpiall_vbar0_runtime_exceptions msr vbar_el3, x0 1: @@ -53,15 +45,7 @@ func cortex_a75_reset_func endfunc cortex_a75_reset_func func check_errata_cve_2017_5715 - mrs x0, id_aa64pfr0_el1 - ubfx x0, x0, #ID_AA64PFR0_CSV2_SHIFT, #ID_AA64PFR0_CSV2_LENGTH - /* - * If the field equals to 1 then branch targets trained in one - * context cannot affect speculative execution in a different context. - */ - cmp x0, #1 - beq 1f - + cpu_check_csv2 x0, 1f #if WORKAROUND_CVE_2017_5715 mov x0, #ERRATA_APPLIES #else |