diff options
Diffstat (limited to 'arch/arm/kvm/interrupts_head.S')
| -rw-r--r-- | arch/arm/kvm/interrupts_head.S | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/arch/arm/kvm/interrupts_head.S b/arch/arm/kvm/interrupts_head.S index 76af93025574..9fbbf9999530 100644 --- a/arch/arm/kvm/interrupts_head.S +++ b/arch/arm/kvm/interrupts_head.S @@ -419,7 +419,9 @@ vcpu .req r0 @ vcpu pointer always in r0 ldr r7, [r2, #GICH_EISR1] ldr r8, [r2, #GICH_ELRSR0] ldr r9, [r2, #GICH_ELRSR1] - ldr r10, [r2, #GICH_APR] + ldr r10, [r11, #VGIC_CPU_HW_CFG] + mov r10, r10, lsr #HWCFG_APR_SHIFT + ldr r10, [r2, r10] str r3, [r11, #VGIC_CPU_HCR] str r4, [r11, #VGIC_CPU_VMCR] @@ -435,9 +437,15 @@ vcpu .req r0 @ vcpu pointer always in r0 str r5, [r2, #GICH_HCR] /* Save list registers */ - add r2, r2, #GICH_LR0 + ldr r4, [r11, #VGIC_CPU_HW_CFG] + mov r10, r4, lsr #HWCFG_APR_SHIFT + /* the offset between GICH_APR & GICH_LR0 is 0x10 */ + add r10, r10, #0x10 + add r2, r2, r10 add r3, r11, #VGIC_CPU_LR - ldr r4, [r11, #VGIC_CPU_NR_LR] + /* Get NR_LR from VGIC_CPU_HW_CFG */ + ldr r6, =HWCFG_NR_LR_MASK + and r4, r4, r6 1: ldr r6, [r2], #4 str r6, [r3], #4 subs r4, r4, #1 @@ -469,12 +477,21 @@ vcpu .req r0 @ vcpu pointer always in r0 str r3, [r2, #GICH_HCR] str r4, [r2, #GICH_VMCR] - str r8, [r2, #GICH_APR] + ldr r6, [r11, #VGIC_CPU_HW_CFG] + mov r6, r6, lsr #HWCFG_APR_SHIFT + str r8, [r2, r6] /* Restore list registers */ - add r2, r2, #GICH_LR0 + ldr r4, [r11, #VGIC_CPU_HW_CFG] + mov r6, r4, lsr #HWCFG_APR_SHIFT + /* the offset between GICH_APR & GICH_LR0 is 0x10 */ + add r6, r6, #0x10 + /* get offset of GICH_LR0 */ + add r2, r2, r6 + /* Get NR_LR from VGIC_CPU_HW_CFG */ add r3, r11, #VGIC_CPU_LR - ldr r4, [r11, #VGIC_CPU_NR_LR] + ldr r6, =HWCFG_NR_LR_MASK + and r4, r4, r6 1: ldr r6, [r3], #4 str r6, [r2], #4 subs r4, r4, #1 |