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[v2,09/10] ppc: Add dummy CIABR SPR

Message ID 1458134034-32500-10-git-send-email-clg@fr.ibm.com
State New
Headers show

Commit Message

Cédric Le Goater March 16, 2016, 1:13 p.m. UTC 
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>

We should implement HW breakpoint/watchpoint, qemu supports them...

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>
---
 target-ppc/cpu.h            | 1 +
 target-ppc/translate_init.c | 5 +++++
 2 files changed, 6 insertions(+)
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Patch

diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index a3c4fb112a3e..29c48600d950 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -1393,6 +1393,7 @@  static inline int cpu_mmu_index (CPUPPCState *env, bool ifetch)
 #define SPR_PSPB              (0x09F)
 #define SPR_DAWR              (0x0B4)
 #define SPR_RPR               (0x0BA)
+#define SPR_CIABR             (0x0BB)
 #define SPR_DAWRX             (0x0BC)
 #define SPR_HFSCR             (0x0BE)
 #define SPR_VRSAVE            (0x100)
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index c78b532e8f3c..5f53098faef7 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -7589,6 +7589,11 @@  static void gen_spr_book3s_207_dbg(CPUPPCState *env)
                         SPR_NOACCESS, SPR_NOACCESS,
                         &spr_read_generic, &spr_write_generic,
                         KVM_REG_PPC_DAWRX, 0x00000000);
+    spr_register_kvm_hv(env, SPR_CIABR, "CIABR",
+                        SPR_NOACCESS, SPR_NOACCESS,
+                        SPR_NOACCESS, SPR_NOACCESS,
+                        &spr_read_generic, &spr_write_generic,
+                        KVM_REG_PPC_CIABR, 0x00000000);
 }
 
 static void gen_spr_970_dbg(CPUPPCState *env)