[Qemu-devel] [PATCH 2/4] spapr: Enable DABRX special register

[Alexey Kardashevskiy <aik@ozlabs.ru>]

This advertises Data Address Breakpoint Register Extension (DABRX) to
the guest via hyperrtas list and enables it to migrate.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
---
 hw/ppc/spapr.c              | 1 +
 target-ppc/translate_init.c | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index a11e121..451c473 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -307,6 +307,7 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base,
     uint32_t start_prop = cpu_to_be32(initrd_base);
     uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size);
     char hypertas_prop[] = "hcall-pft\0hcall-term\0hcall-dabr\0hcall-interrupt"
+        "\0hcall-xdabr"
         "\0hcall-tce\0hcall-vio\0hcall-splpar\0hcall-bulk\0hcall-set-mode";
     char qemu_hypertas_prop[] = "hcall-memop1";
     uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)};
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index d07e186..1627bb0 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -7010,6 +7010,10 @@ static void init_proc_POWER7 (CPUPPCState *env)
                      SPR_NOACCESS, SPR_NOACCESS,
                      &spr_read_generic, &spr_write_generic,
                      KVM_REG_PPC_PMC6, 0x00000000);
+    spr_register_kvm(env, SPR_DABRX, "DABRX",
+                     SPR_NOACCESS, SPR_NOACCESS,
+                     SPR_NOACCESS, SPR_NOACCESS,
+                     KVM_REG_PPC_DABRX, 0x00000000);
 #endif /* !CONFIG_USER_ONLY */
     gen_spr_amr(env);
     /* XXX : not implemented */
-- 
1.8.4.rc4