From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39998) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1afVnv-0000Bi-8o for qemu-devel@nongnu.org; Mon, 14 Mar 2016 12:57:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1afVns-0004xf-0y for qemu-devel@nongnu.org; Mon, 14 Mar 2016 12:57:15 -0400 Received: from e06smtp17.uk.ibm.com ([195.75.94.113]:37613) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1afVnr-0004x2-Mq for qemu-devel@nongnu.org; Mon, 14 Mar 2016 12:57:11 -0400 Received: from localhost by e06smtp17.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 14 Mar 2016 16:57:10 -0000 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Date: Mon, 14 Mar 2016 17:56:31 +0100 Message-Id: <1457974600-13828-9-git-send-email-clg@fr.ibm.com> In-Reply-To: <1457974600-13828-1-git-send-email-clg@fr.ibm.com> References: <1457974600-13828-1-git-send-email-clg@fr.ibm.com> Subject: [Qemu-devel] [PATCH 08/17] ppc: Add placeholder SPRs for DPDES and DHDES on P8 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: David Gibson Cc: Thomas Huth , qemu-ppc@nongnu.org, qemu-devel@nongnu.org From: Benjamin Herrenschmidt 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 --- 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