KVM: PPC: booke(hv): Fix save/restore of guest accessible SPRGs.

For Guest accessible SPRGs 4-7, save/restore must be handled differently for 64bit and
non-64 bit case. Use the PPC_STD/PPC_LD macros for saving/restoring to/from these registers.

Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>

diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S
index c8c4b87..8feec2f 100644 (file)
--- a/arch/powerpc/kvm/booke_interrupts.S
+++ b/arch/powerpc/kvm/booke_interrupts.S
@@ -419,13 +419,13 @@ lightweight_exit:
         * written directly to the shared area, so we
         * need to reload them here with the guest's values.
         */
-       lwz     r3, VCPU_SHARED_SPRG4(r5)
+       PPC_LD(r3, VCPU_SHARED_SPRG4, r5)
        mtspr   SPRN_SPRG4W, r3
-       lwz     r3, VCPU_SHARED_SPRG5(r5)
+       PPC_LD(r3, VCPU_SHARED_SPRG5, r5)
        mtspr   SPRN_SPRG5W, r3
-       lwz     r3, VCPU_SHARED_SPRG6(r5)
+       PPC_LD(r3, VCPU_SHARED_SPRG6, r5)
        mtspr   SPRN_SPRG6W, r3
-       lwz     r3, VCPU_SHARED_SPRG7(r5)
+       PPC_LD(r3, VCPU_SHARED_SPRG7, r5)
        mtspr   SPRN_SPRG7W, r3
 
 #ifdef CONFIG_KVM_EXIT_TIMING

diff --git a/arch/powerpc/kvm/bookehv_interrupts.S b/arch/powerpc/kvm/bookehv_interrupts.S
index 41d3485..b7608ac 100644 (file)
--- a/arch/powerpc/kvm/bookehv_interrupts.S
+++ b/arch/powerpc/kvm/bookehv_interrupts.S
@@ -316,13 +316,13 @@ _GLOBAL(kvmppc_resume_host)
        PPC_STL r5, VCPU_LR(r4)
        mfspr   r7, SPRN_SPRG5
        PPC_STL r3, VCPU_VRSAVE(r4)
-       PPC_STL r6, VCPU_SHARED_SPRG4(r11)
+       PPC_STD(r6, VCPU_SHARED_SPRG4, r11)
        mfspr   r8, SPRN_SPRG6
-       PPC_STL r7, VCPU_SHARED_SPRG5(r11)
+       PPC_STD(r7, VCPU_SHARED_SPRG5, r11)
        mfspr   r9, SPRN_SPRG7
-       PPC_STL r8, VCPU_SHARED_SPRG6(r11)
+       PPC_STD(r8, VCPU_SHARED_SPRG6, r11)
        mfxer   r3
-       PPC_STL r9, VCPU_SHARED_SPRG7(r11)
+       PPC_STD(r9, VCPU_SHARED_SPRG7, r11)
 
        /* save guest MAS registers and restore host mas4 & mas6 */
        mfspr   r5, SPRN_MAS0
@@ -537,13 +537,13 @@ lightweight_exit:
         * SPRGs, so we need to reload them here with the guest's values.
         */
        lwz     r3, VCPU_VRSAVE(r4)
-       lwz     r5, VCPU_SHARED_SPRG4(r11)
+       PPC_LD(r5, VCPU_SHARED_SPRG4, r11)
        mtspr   SPRN_VRSAVE, r3
-       lwz     r6, VCPU_SHARED_SPRG5(r11)
+       PPC_LD(r6, VCPU_SHARED_SPRG5, r11)
        mtspr   SPRN_SPRG4W, r5
-       lwz     r7, VCPU_SHARED_SPRG6(r11)
+       PPC_LD(r7, VCPU_SHARED_SPRG6, r11)
        mtspr   SPRN_SPRG5W, r6
-       lwz     r8, VCPU_SHARED_SPRG7(r11)
+       PPC_LD(r8, VCPU_SHARED_SPRG7, r11)
        mtspr   SPRN_SPRG6W, r7
        mtspr   SPRN_SPRG7W, r8