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[Qemu-ppc] [PATCH 03/10] PPC: Add stub emulation for HDBCR0
From: |
Alexander Graf |
Subject: |
[Qemu-ppc] [PATCH 03/10] PPC: Add stub emulation for HDBCR0 |
Date: |
Mon, 20 Jan 2014 00:44:30 +0100 |
The HDBCR0 register is available for hardware debuggers which we don't
emulate.
However, we can treat it as a generic storage register that doesn't
have any effect, making guests happy.
Signed-off-by: Alexander Graf <address@hidden>
---
target-ppc/cpu.h | 1 +
target-ppc/translate_init.c | 4 ++++
2 files changed, 5 insertions(+)
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 70708d4..1289e13 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -1597,6 +1597,7 @@ static inline int cpu_mmu_index (CPUPPCState *env)
#define SPR_403_VTBL (0x3CC)
#define SPR_403_VTBU (0x3CD)
#define SPR_DMISS (0x3D0)
+#define SPR_Exxx_HDBCR0 (0x3D0)
#define SPR_DCMP (0x3D1)
#define SPR_HASH1 (0x3D2)
#define SPR_HASH2 (0x3D3)
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 35470d4..37a0ed2 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -4581,6 +4581,10 @@ static void init_proc_e500 (CPUPPCState *env, int
version)
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, SPR_NOACCESS,
0x00000000);
+ spr_register(env, SPR_Exxx_HDBCR0, "HDBCR0",
+ SPR_NOACCESS, SPR_NOACCESS,
+ &spr_read_generic, &spr_write_generic,
+ 0x00000000);
/* XXX better abstract into Emb.xxx features */
if (version == fsl_e5500) {
spr_register(env, SPR_BOOKE_EPCR, "EPCR",
--
1.8.1.4
- [Qemu-ppc] [PATCH 00/10] PPC: e500: Use u-boot as firmware, Alexander Graf, 2014/01/19
- [Qemu-ppc] [PATCH 04/10] PPC: Add L1CFG1 SPR emulation, Alexander Graf, 2014/01/19
- [Qemu-ppc] [PATCH 02/10] PPC: Add definitions for GIVORs, Alexander Graf, 2014/01/19
- [Qemu-ppc] [PATCH 08/10] PPC: e500: Expose kernel load address in dt, Alexander Graf, 2014/01/19
- [Qemu-ppc] [PATCH 10/10] PPC: e500: Move to u-boot as firmware, Alexander Graf, 2014/01/19
- [Qemu-ppc] [PATCH 07/10] PPC: guts: Add emulation of a few more registers, Alexander Graf, 2014/01/19
- [Qemu-ppc] [PATCH 06/10] PPC: Add dcbtls emulation, Alexander Graf, 2014/01/19
- [Qemu-ppc] [PATCH 03/10] PPC: Add stub emulation for HDBCR0,
Alexander Graf <=
- [Qemu-ppc] [PATCH 05/10] PPC: Properly emulate L1CSR0 and L1CSR1, Alexander Graf, 2014/01/19
- [Qemu-ppc] [PATCH 01/10] PPC: Make all e500 CPUs SVR aware, Alexander Graf, 2014/01/19
- [Qemu-ppc] [PATCH 09/10] PPC: Add u-boot firmware for e500, Alexander Graf, 2014/01/20