diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_booke_hv_asm.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kvm_booke_hv_asm.h b/arch/powerpc/include/asm/kvm_booke_hv_asm.h index a37a12a9a7d7..3a79f5325712 100644 --- a/arch/powerpc/include/asm/kvm_booke_hv_asm.h +++ b/arch/powerpc/include/asm/kvm_booke_hv_asm.h @@ -17,6 +17,7 @@ * there are no exceptions for which we fall through directly to * the normal host handler. * + * 32-bit host * Expected inputs (normal exceptions): * SCRATCH0 = saved r10 * r10 = thread struct @@ -33,6 +34,30 @@ * *(r8 + GPR9) = saved r9 * *(r8 + GPR10) = saved r10 (r10 not yet clobbered) * *(r8 + GPR11) = saved r11 + * + * 64-bit host + * Expected inputs (GEN/GDBELL/DBG/MC exception types): + * r10 = saved CR + * r13 = PACA_POINTER + * *(r13 + PACA_EX##type + EX_R10) = saved r10 + * *(r13 + PACA_EX##type + EX_R11) = saved r11 + * SPRN_SPRG_##type##_SCRATCH = saved r13 + * + * Expected inputs (CRIT exception type): + * r10 = saved CR + * r13 = PACA_POINTER + * *(r13 + PACA_EX##type + EX_R10) = saved r10 + * *(r13 + PACA_EX##type + EX_R11) = saved r11 + * *(r13 + PACA_EX##type + EX_R13) = saved r13 + * + * Expected inputs (TLB exception type): + * r10 = saved CR + * r13 = PACA_POINTER + * *(r13 + PACA_EX##type + EX_TLB_R10) = saved r10 + * *(r13 + PACA_EX##type + EX_TLB_R11) = saved r11 + * SPRN_SPRG_GEN_SCRATCH = saved r13 + * + * Only the bolted version of TLB miss exception handlers is supported now. */ .macro DO_KVM intno srr1 #ifdef CONFIG_KVM_BOOKE_HV |