From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44474) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YLxH5-0002Qq-3m for qemu-devel@nongnu.org; Thu, 12 Feb 2015 12:10:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YLxGx-0007qo-8N for qemu-devel@nongnu.org; Thu, 12 Feb 2015 12:09:59 -0500 Received: from e06smtp11.uk.ibm.com ([195.75.94.107]:54391) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YLxGw-0007pf-UY for qemu-devel@nongnu.org; Thu, 12 Feb 2015 12:09:51 -0500 Received: from /spool/local by e06smtp11.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 12 Feb 2015 17:09:50 -0000 Received: from b06cxnps4076.portsmouth.uk.ibm.com (d06relay13.portsmouth.uk.ibm.com [9.149.109.198]) by d06dlp03.portsmouth.uk.ibm.com (Postfix) with ESMTP id 891531B0807E for ; Thu, 12 Feb 2015 17:09:57 +0000 (GMT) Received: from d06av04.portsmouth.uk.ibm.com (d06av04.portsmouth.uk.ibm.com [9.149.37.216]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t1CH9lOT52166734 for ; Thu, 12 Feb 2015 17:09:47 GMT Received: from d06av04.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av04.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t1CH9k5U004380 for ; Thu, 12 Feb 2015 10:09:47 -0700 From: Jens Freimann Date: Thu, 12 Feb 2015 18:09:29 +0100 Message-Id: <1423760982-8474-13-git-send-email-jfrei@linux.vnet.ibm.com> In-Reply-To: <1423760982-8474-1-git-send-email-jfrei@linux.vnet.ibm.com> References: <1423760982-8474-1-git-send-email-jfrei@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH 12/25] s390x/mmu: Clean up mmu_translate_asc() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Christian Borntraeger , Alexander Graf , Cornelia Huck Cc: Jens Freimann , qemu-devel@nongnu.org, Thomas Huth From: Thomas Huth We can get rid of the switch(asc) in mmu_translate_asc() by simply selecting the right control register ASCE in the mmu_translate() function already. This patch is based on an original patch/idea by Ralf Hoppe. Signed-off-by: Thomas Huth Signed-off-by: Jens Freimann Reviewed-by: David Hildenbrand Reviewed-by: Cornelia Huck --- target-s390x/mmu_helper.c | 39 +++++++++++++++------------------------ 1 file changed, 15 insertions(+), 24 deletions(-) diff --git a/target-s390x/mmu_helper.c b/target-s390x/mmu_helper.c index c183958..32a51f3 100644 --- a/target-s390x/mmu_helper.c +++ b/target-s390x/mmu_helper.c @@ -214,29 +214,13 @@ static int mmu_translate_region(CPUS390XState *env, target_ulong vaddr, raddr, flags, rw, exc); } -static int mmu_translate_asc(CPUS390XState *env, target_ulong vaddr, - uint64_t asc, target_ulong *raddr, int *flags, - int rw, bool exc) +static int mmu_translate_asce(CPUS390XState *env, target_ulong vaddr, + uint64_t asc, uint64_t asce, target_ulong *raddr, + int *flags, int rw, bool exc) { - uint64_t asce = 0; int level; int r; - switch (asc) { - case PSW_ASC_PRIMARY: - PTE_DPRINTF("%s: asc=primary\n", __func__); - asce = env->cregs[1]; - break; - case PSW_ASC_SECONDARY: - PTE_DPRINTF("%s: asc=secondary\n", __func__); - asce = env->cregs[7]; - break; - case PSW_ASC_HOME: - PTE_DPRINTF("%s: asc=home\n", __func__); - asce = env->cregs[13]; - break; - } - if (asce & _ASCE_REAL_SPACE) { /* direct mapping */ *raddr = vaddr; @@ -326,21 +310,28 @@ int mmu_translate(CPUS390XState *env, target_ulong vaddr, int rw, uint64_t asc, switch (asc) { case PSW_ASC_PRIMARY: + PTE_DPRINTF("%s: asc=primary\n", __func__); + r = mmu_translate_asce(env, vaddr, asc, env->cregs[1], raddr, flags, + rw, exc); + break; case PSW_ASC_HOME: - r = mmu_translate_asc(env, vaddr, asc, raddr, flags, rw, exc); + PTE_DPRINTF("%s: asc=home\n", __func__); + r = mmu_translate_asce(env, vaddr, asc, env->cregs[13], raddr, flags, + rw, exc); break; case PSW_ASC_SECONDARY: + PTE_DPRINTF("%s: asc=secondary\n", __func__); /* * Instruction: Primary * Data: Secondary */ if (rw == 2) { - r = mmu_translate_asc(env, vaddr, PSW_ASC_PRIMARY, raddr, flags, - rw, exc); + r = mmu_translate_asce(env, vaddr, PSW_ASC_PRIMARY, env->cregs[1], + raddr, flags, rw, exc); *flags &= ~(PAGE_READ | PAGE_WRITE); } else { - r = mmu_translate_asc(env, vaddr, PSW_ASC_SECONDARY, raddr, flags, - rw, exc); + r = mmu_translate_asce(env, vaddr, PSW_ASC_SECONDARY, env->cregs[7], + raddr, flags, rw, exc); *flags &= ~(PAGE_EXEC); } break; -- 2.1.4