diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/kernel/hyp-stub.S | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S index 70609417deaf..65b2417aebce 100644 --- a/arch/arm/kernel/hyp-stub.S +++ b/arch/arm/kernel/hyp-stub.S @@ -142,6 +142,19 @@ THUMB( orr r7, #(1 << 30) ) @ HSCTLR.TE and r7, #0x1f @ Preserve HPMN mcr p15, 4, r7, c1, c1, 1 @ HDCR +#if !defined(ZIMAGE) && defined(CONFIG_ARM_ARCH_TIMER) + @ make CNTP_* and CNTPCT accessible from PL1 + mrc p15, 0, r7, c0, c1, 1 @ ID_PFR1 + lsr r7, #16 + and r7, #0xf + cmp r7, #1 + bne 1f + mrc p15, 4, r7, c14, c1, 0 @ CNTHCTL + orr r7, r7, #3 @ PL1PCEN | PL1PCTEN + mcr p15, 4, r7, c14, c1, 0 @ CNTHCTL +1: +#endif + bic r7, r4, #MODE_MASK orr r7, r7, #SVC_MODE THUMB( orr r7, r7, #PSR_T_BIT ) |