The patch enables DEXCR migration by hooking with the
"KVM one reg" ID KVM_REG_PPC_DEXCR.
Signed-off-by: Shivaprasad G Bhat <sbhat@xxxxxxxxxxxxx>
---
linux-headers/asm-powerpc/kvm.h | 1 +
target/ppc/cpu_init.c | 4 ++--
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/linux-headers/asm-powerpc/kvm.h b/linux-headers/asm-powerpc/kvm.h
index 1691297a76..fcb947f656 100644
--- a/linux-headers/asm-powerpc/kvm.h
+++ b/linux-headers/asm-powerpc/kvm.h
@@ -645,6 +645,7 @@ struct kvm_ppc_cpu_char {
#define KVM_REG_PPC_SIER3 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc3)
#define KVM_REG_PPC_DAWR1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc4)
#define KVM_REG_PPC_DAWRX1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc5)
+#define KVM_REG_PPC_DEXCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc6)
/* Transactional Memory checkpointed state:
* This is all GPRs, all VSX regs and a subset of SPRs
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index c11a69fd90..b1422c2eab 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -5818,9 +5818,9 @@ static void register_power10_hash_sprs(CPUPPCState *env)
static void register_power10_dexcr_sprs(CPUPPCState *env)
{
- spr_register(env, SPR_DEXCR, "DEXCR",
+ spr_register_kvm(env, SPR_DEXCR, "DEXCR",
SPR_NOACCESS, SPR_NOACCESS,
- &spr_read_generic, &spr_write_generic,
+ &spr_read_generic, &spr_write_generic, KVM_REG_PPC_DEXCR,
0);
spr_register(env, SPR_UDEXCR, "UDEXCR",
