diff options
Diffstat (limited to 'arch/arm64/include/asm/el2_setup.h')
| -rw-r--r-- | arch/arm64/include/asm/el2_setup.h | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/arch/arm64/include/asm/el2_setup.h b/arch/arm64/include/asm/el2_setup.h index fd87c4b8f984..e0ffdf13a18b 100644 --- a/arch/arm64/include/asm/el2_setup.h +++ b/arch/arm64/include/asm/el2_setup.h @@ -165,42 +165,53 @@ mrs x1, id_aa64dfr0_el1 ubfx x1, x1, #ID_AA64DFR0_EL1_PMSVer_SHIFT, #4 cmp x1, #3 - b.lt .Lset_debug_fgt_\@ + b.lt .Lskip_spe_fgt_\@ /* Disable PMSNEVFR_EL1 read and write traps */ orr x0, x0, #(1 << 62) -.Lset_debug_fgt_\@: +.Lskip_spe_fgt_\@: msr_s SYS_HDFGRTR_EL2, x0 msr_s SYS_HDFGWTR_EL2, x0 mov x0, xzr mrs x1, id_aa64pfr1_el1 ubfx x1, x1, #ID_AA64PFR1_EL1_SME_SHIFT, #4 - cbz x1, .Lset_pie_fgt_\@ + cbz x1, .Lskip_debug_fgt_\@ /* Disable nVHE traps of TPIDR2 and SMPRI */ orr x0, x0, #HFGxTR_EL2_nSMPRI_EL1_MASK orr x0, x0, #HFGxTR_EL2_nTPIDR2_EL0_MASK -.Lset_pie_fgt_\@: +.Lskip_debug_fgt_\@: mrs_s x1, SYS_ID_AA64MMFR3_EL1 ubfx x1, x1, #ID_AA64MMFR3_EL1_S1PIE_SHIFT, #4 - cbz x1, .Lset_fgt_\@ + cbz x1, .Lskip_pie_fgt_\@ /* Disable trapping of PIR_EL1 / PIRE0_EL1 */ orr x0, x0, #HFGxTR_EL2_nPIR_EL1 orr x0, x0, #HFGxTR_EL2_nPIRE0_EL1 -.Lset_fgt_\@: +.Lskip_pie_fgt_\@: + mrs_s x1, SYS_ID_AA64MMFR3_EL1 + ubfx x1, x1, #ID_AA64MMFR3_EL1_S1POE_SHIFT, #4 + cbz x1, .Lskip_poe_fgt_\@ + + /* Disable trapping of POR_EL0 */ + orr x0, x0, #HFGxTR_EL2_nPOR_EL0 + +.Lskip_poe_fgt_\@: msr_s SYS_HFGRTR_EL2, x0 msr_s SYS_HFGWTR_EL2, x0 msr_s SYS_HFGITR_EL2, xzr mrs x1, id_aa64pfr0_el1 // AMU traps UNDEF without AMU ubfx x1, x1, #ID_AA64PFR0_EL1_AMU_SHIFT, #4 - cbz x1, .Lskip_fgt_\@ + cbz x1, .Lskip_amu_fgt_\@ msr_s SYS_HAFGRTR_EL2, xzr + +.Lskip_amu_fgt_\@: + .Lskip_fgt_\@: .endm |