From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55232) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cRPOf-00075V-1Y for qemu-devel@nongnu.org; Wed, 11 Jan 2017 15:21:25 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cRPOc-0001Qz-71 for qemu-devel@nongnu.org; Wed, 11 Jan 2017 15:21:25 -0500 Received: from mail-wj0-x241.google.com ([2a00:1450:400c:c01::241]:36533) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cRPOc-0001Q0-1D for qemu-devel@nongnu.org; Wed, 11 Jan 2017 15:21:22 -0500 Received: by mail-wj0-x241.google.com with SMTP id dh1so11797050wjb.3 for ; Wed, 11 Jan 2017 12:21:21 -0800 (PST) From: Artyom Tarasenko Date: Wed, 11 Jan 2017 21:19:56 +0100 Message-Id: <6f546cf963e03ed253e16701ba6e30dcc5d00073.1484165352.git.atar4qemu@gmail.com> In-Reply-To: References: In-Reply-To: References: Subject: [Qemu-devel] [PATCH v2 25/30] target-sparc: implement UA2005 ASI_MMU (0x21) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Mark Cave-Ayland , Richard Henderson , Artyom Tarasenko Signed-off-by: Artyom Tarasenko --- target/sparc/ldst_helper.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/target/sparc/ldst_helper.c b/target/sparc/ldst_helper.c index 57b3b97..d34795a 100644 --- a/target/sparc/ldst_helper.c +++ b/target/sparc/ldst_helper.c @@ -1394,6 +1394,18 @@ uint64_t helper_ld_asi(CPUSPARCState *env, target_ulong addr, ret = env->scratch[i]; break; } + case ASI_MMU: /* UA2005 Context ID registers */ + switch ((addr >> 3) & 0x3) { + case 1: + ret = env->dmmu.mmu_primary_context; + break; + case 2: + ret = env->dmmu.mmu_secondary_context; + break; + default: + cpu_unassigned_access(cs, addr, true, false, 1, size); + } + break; case ASI_DCACHE_DATA: /* D-cache data */ case ASI_DCACHE_TAG: /* D-cache tag access */ case ASI_ESTATE_ERROR_EN: /* E-cache error enable */ @@ -1712,6 +1724,25 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, target_ulong val, env->scratch[i] = val; return; } + case ASI_MMU: /* UA2005 Context ID registers */ + { + switch ((addr >> 3) & 0x3) { + case 1: + env->dmmu.mmu_primary_context = val; + env->immu.mmu_primary_context = val; + tlb_flush_by_mmuidx(CPU(cpu), MMU_USER_IDX, MMU_KERNEL_IDX, -1); + break; + case 2: + env->dmmu.mmu_secondary_context = val; + env->immu.mmu_secondary_context = val; + tlb_flush_by_mmuidx(CPU(cpu), MMU_USER_SECONDARY_IDX, + MMU_KERNEL_SECONDARY_IDX, -1); + break; + default: + cpu_unassigned_access(cs, addr, true, false, 1, size); + } + } + return; case ASI_QUEUE: /* UA2005 CPU mondo queue */ case ASI_DCACHE_DATA: /* D-cache data */ case ASI_DCACHE_TAG: /* D-cache tag access */ -- 1.8.3.1