From: Benjamin Herrenschmidt <b...@kernel.crashing.org>
We still need to eventually implement doorbells but at least this
makes us not crash when the SPRs are accessed.
Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
---
target-ppc/cpu.h | 2 ++
target-ppc/translate_init.c | 17 +++++++++++++++++
2 files changed, 19 insertions(+)
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 02aed6427ade..779cb57bd700 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -1394,6 +1394,8 @@ static inline int cpu_mmu_index (CPUPPCState *env, bool
ifetch)
#define SPR_MPC_ICTRL (0x09E)
#define SPR_MPC_BAR (0x09F)
#define SPR_PSPB (0x09F)
+#define SPR_DHDES (0x0B1)
+#define SPR_DPDES (0x0B0)
#define SPR_DAWR (0x0B4)
#define SPR_RPR (0x0BA)
#define SPR_DAWRX (0x0BC)
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 59a68de0bce8..7a399b97bc6f 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -8036,6 +8036,22 @@ static void gen_spr_power8_rpr(CPUPPCState *env)
#endif
}
+static void gen_spr_power8_dbell(CPUPPCState *env)
+{
+#if !defined(CONFIG_USER_ONLY)
+ spr_register_hv(env, SPR_DPDES, "DPDES",
+ SPR_NOACCESS, SPR_NOACCESS,
+ &spr_read_generic, SPR_NOACCESS,
+ &spr_read_generic, &spr_write_generic,
+ 0);
+ spr_register_hv(env, SPR_DHDES, "DHDES",
+ SPR_NOACCESS, SPR_NOACCESS,
+ SPR_NOACCESS, SPR_NOACCESS,
+ &spr_read_generic, &spr_write_generic,
+ 0);
+#endif
+}
+
static void init_proc_book3s_64(CPUPPCState *env, int version)
{
gen_spr_ne_601(env);
@@ -8089,6 +8105,7 @@ static void init_proc_book3s_64(CPUPPCState *env, int
version)
gen_spr_power8_pspb(env);
gen_spr_vtb(env);
gen_spr_power8_rpr(env);
+ gen_spr_power8_dbell(env);
}
if (version < BOOK3S_CPU_POWER8) {
gen_spr_book3s_dbg(env);
--
2.1.4
