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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2016-03-21 13:52:35 +0100
committerDavid Gibson <david@gibson.dropbear.id.au>2016-03-24 11:17:34 +1100
commit21a558bed91f363ea8fc3f9a95b222a0949c70e7 (patch)
tree1bdb5b5b90c060c332c0b0476c82dc602aa219cb /target-ppc
parent26a7f1291bb5581e51c413d744207d0a5910ff4c (diff)
ppc: Add dummy SPR_IC for POWER8
It's supposed to be an instruction counter. For now make us not crash when accessing it. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc')
-rw-r--r--target-ppc/cpu.h1
-rw-r--r--target-ppc/translate_init.c12
2 files changed, 13 insertions, 0 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index a7da0d3e95..167c73f863 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -1685,6 +1685,7 @@ static inline int cpu_mmu_index (CPUPPCState *env, bool ifetch)
#define SPR_MPC_MD_DBRAM1 (0x32A)
#define SPR_RCPU_L2U_RA3 (0x32B)
#define SPR_TAR (0x32F)
+#define SPR_IC (0x350)
#define SPR_VTB (0x351)
#define SPR_MMCRC (0x353)
#define SPR_440_INV0 (0x370)
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 4d82e1c756..3a13ad7f90 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -7924,6 +7924,17 @@ static void gen_spr_power8_pspb(CPUPPCState *env)
KVM_REG_PPC_PSPB, 0);
}
+static void gen_spr_power8_ic(CPUPPCState *env)
+{
+#if !defined(CONFIG_USER_ONLY)
+ spr_register_hv(env, SPR_IC, "IC",
+ SPR_NOACCESS, SPR_NOACCESS,
+ &spr_read_generic, 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);
@@ -7976,6 +7987,7 @@ static void init_proc_book3s_64(CPUPPCState *env, int version)
gen_spr_power8_tm(env);
gen_spr_power8_pspb(env);
gen_spr_vtb(env);
+ gen_spr_power8_ic(env);
}
if (version < BOOK3S_CPU_POWER8) {
gen_spr_book3s_dbg(env);