* Assumes vcpu pointer in vcpu reg
*/
.macro save_vgic_state
-#ifdef CONFIG_KVM_ARM_VGIC
/* Get VGIC VCTRL base into r2 */
ldr r2, [vcpu, #VCPU_KVM]
ldr r2, [r2, #KVM_VGIC_VCTRL]
subs r4, r4, #1
bne 1b
2:
-#endif
.endm
/*
* Assumes vcpu pointer in vcpu reg
*/
.macro restore_vgic_state
-#ifdef CONFIG_KVM_ARM_VGIC
/* Get VGIC VCTRL base into r2 */
ldr r2, [vcpu, #VCPU_KVM]
ldr r2, [r2, #KVM_VGIC_VCTRL]
subs r4, r4, #1
bne 1b
2:
-#endif
.endm
#define CNTHCTL_PL1PCTEN (1 << 0)
* Clobbers r2-r5
*/
.macro save_timer_state
-#ifdef CONFIG_KVM_ARM_TIMER
ldr r4, [vcpu, #VCPU_KVM]
ldr r2, [r4, #KVM_TIMER_ENABLED]
cmp r2, #0
mcrr p15, 4, r2, r2, c14 @ CNTVOFF
1:
-#endif
@ Allow physical timer/counter access for the host
mrc p15, 4, r2, c14, c1, 0 @ CNTHCTL
orr r2, r2, #(CNTHCTL_PL1PCEN | CNTHCTL_PL1PCTEN)
bic r2, r2, #CNTHCTL_PL1PCEN
mcr p15, 4, r2, c14, c1, 0 @ CNTHCTL
-#ifdef CONFIG_KVM_ARM_TIMER
ldr r4, [vcpu, #VCPU_KVM]
ldr r2, [r4, #KVM_TIMER_ENABLED]
cmp r2, #0
and r2, r2, #3
mcr p15, 0, r2, c14, c3, 1 @ CNTV_CTL
1:
-#endif
.endm
.equ vmentry, 0