From patchwork Thu Jan 21 14:56:07 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 8082291 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id F0568BEEE5 for ; Thu, 21 Jan 2016 15:09:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1DFBC204FF for ; Thu, 21 Jan 2016 15:09:41 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EAA0D204FC for ; Thu, 21 Jan 2016 15:09:39 +0000 (UTC) Received: from localhost ([::1]:48172 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aMGrj-0002Vx-8n for patchwork-qemu-devel@patchwork.kernel.org; Thu, 21 Jan 2016 10:09:39 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45735) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aMGfK-0002gh-1R for qemu-devel@nongnu.org; Thu, 21 Jan 2016 09:56:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aMGfF-0002mx-4n for qemu-devel@nongnu.org; Thu, 21 Jan 2016 09:56:49 -0500 Received: from mnementh.archaic.org.uk ([2001:8b0:1d0::1]:59496) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aMGfE-0002g6-UO for qemu-devel@nongnu.org; Thu, 21 Jan 2016 09:56:45 -0500 Received: from pm215 by mnementh.archaic.org.uk with local (Exim 4.80) (envelope-from ) id 1aMGez-0003QX-Ju for qemu-devel@nongnu.org; Thu, 21 Jan 2016 14:56:29 +0000 From: Peter Maydell To: qemu-devel@nongnu.org Date: Thu, 21 Jan 2016 14:56:07 +0000 Message-Id: <1453388189-13092-15-git-send-email-peter.maydell@linaro.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1453388189-13092-1-git-send-email-peter.maydell@linaro.org> References: <1453388189-13092-1-git-send-email-peter.maydell@linaro.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 2001:8b0:1d0::1 Subject: [Qemu-devel] [PULL 14/36] exec.c: Pass MemTxAttrs to iotlb_to_region so it uses the right AS X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Pass the MemTxAttrs for the memory access to iotlb_to_region(); this allows it to determine the correct AddressSpace to use for the lookup. Signed-off-by: Peter Maydell Acked-by: Edgar E. Iglesias --- cputlb.c | 6 ++++-- exec.c | 5 +++-- include/exec/exec-all.h | 2 +- softmmu_template.h | 4 ++-- 4 files changed, 10 insertions(+), 7 deletions(-) diff --git a/cputlb.c b/cputlb.c index f1c1082..f6fb161 100644 --- a/cputlb.c +++ b/cputlb.c @@ -449,6 +449,7 @@ tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong addr) void *p; MemoryRegion *mr; CPUState *cpu = ENV_GET_CPU(env1); + CPUIOTLBEntry *iotlbentry; page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); mmu_idx = cpu_mmu_index(env1, true); @@ -456,8 +457,9 @@ tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong addr) (addr & TARGET_PAGE_MASK))) { cpu_ldub_code(env1, addr); } - pd = env1->iotlb[mmu_idx][page_index].addr & ~TARGET_PAGE_MASK; - mr = iotlb_to_region(cpu, pd); + iotlbentry = &env1->iotlb[mmu_idx][page_index]; + pd = iotlbentry->addr & ~TARGET_PAGE_MASK; + mr = iotlb_to_region(cpu, pd, iotlbentry->attrs); if (memory_region_is_unassigned(mr)) { CPUClass *cc = CPU_GET_CLASS(cpu); diff --git a/exec.c b/exec.c index 884586a..5bd3045 100644 --- a/exec.c +++ b/exec.c @@ -2238,9 +2238,10 @@ static uint16_t dummy_section(PhysPageMap *map, AddressSpace *as, return phys_section_add(map, §ion); } -MemoryRegion *iotlb_to_region(CPUState *cpu, hwaddr index) +MemoryRegion *iotlb_to_region(CPUState *cpu, hwaddr index, MemTxAttrs attrs) { - CPUAddressSpace *cpuas = &cpu->cpu_ases[0]; + int asidx = cpu_asidx_from_attrs(cpu, attrs); + CPUAddressSpace *cpuas = &cpu->cpu_ases[asidx]; AddressSpaceDispatch *d = atomic_rcu_read(&cpuas->memory_dispatch); MemoryRegionSection *sections = d->map.sections; diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index ee9757f..587736e 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -403,7 +403,7 @@ extern uintptr_t tci_tb_ptr; #if !defined(CONFIG_USER_ONLY) struct MemoryRegion *iotlb_to_region(CPUState *cpu, - hwaddr index); + hwaddr index, MemTxAttrs attrs); void tlb_fill(CPUState *cpu, target_ulong addr, int is_write, int mmu_idx, uintptr_t retaddr); diff --git a/softmmu_template.h b/softmmu_template.h index 6803890..208f808 100644 --- a/softmmu_template.h +++ b/softmmu_template.h @@ -150,7 +150,7 @@ static inline DATA_TYPE glue(io_read, SUFFIX)(CPUArchState *env, uint64_t val; CPUState *cpu = ENV_GET_CPU(env); hwaddr physaddr = iotlbentry->addr; - MemoryRegion *mr = iotlb_to_region(cpu, physaddr); + MemoryRegion *mr = iotlb_to_region(cpu, physaddr, iotlbentry->attrs); physaddr = (physaddr & TARGET_PAGE_MASK) + addr; cpu->mem_io_pc = retaddr; @@ -357,7 +357,7 @@ static inline void glue(io_write, SUFFIX)(CPUArchState *env, { CPUState *cpu = ENV_GET_CPU(env); hwaddr physaddr = iotlbentry->addr; - MemoryRegion *mr = iotlb_to_region(cpu, physaddr); + MemoryRegion *mr = iotlb_to_region(cpu, physaddr, iotlbentry->attrs); physaddr = (physaddr & TARGET_PAGE_MASK) + addr; if (mr != &io_mem_rom && mr != &io_mem_notdirty && !cpu->can_do_io) {