From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51037) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eeURO-0004XD-2q for qemu-devel@nongnu.org; Wed, 24 Jan 2018 18:26:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eeURN-0001gY-91 for qemu-devel@nongnu.org; Wed, 24 Jan 2018 18:26:50 -0500 Received: from mail-pg0-x242.google.com ([2607:f8b0:400e:c05::242]:36932) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eeURN-0001gI-3g for qemu-devel@nongnu.org; Wed, 24 Jan 2018 18:26:49 -0500 Received: by mail-pg0-x242.google.com with SMTP id z17so3815345pgc.4 for ; Wed, 24 Jan 2018 15:26:48 -0800 (PST) Received: from cloudburst.twiddle.net (174-21-6-47.tukw.qwest.net. [174.21.6.47]) by smtp.gmail.com with ESMTPSA id z19sm9760028pfh.185.2018.01.24.15.26.46 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 24 Jan 2018 15:26:46 -0800 (PST) From: Richard Henderson Date: Wed, 24 Jan 2018 15:25:53 -0800 Message-Id: <20180124232625.30105-14-richard.henderson@linaro.org> In-Reply-To: <20180124232625.30105-1-richard.henderson@linaro.org> References: <20180124232625.30105-1-richard.henderson@linaro.org> Subject: [Qemu-devel] [PATCH v3 13/45] target/hppa: Implement unaligned access trap List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Signed-off-by: Richard Henderson --- target/hppa/cpu.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c index ca619578dd..4d0b760baa 100644 --- a/target/hppa/cpu.c +++ b/target/hppa/cpu.c @@ -48,6 +48,23 @@ static void hppa_cpu_disas_set_info(CPUState *cs, disassemble_info *info) info->print_insn = print_insn_hppa; } +static void hppa_cpu_do_unaligned_access(CPUState *cs, vaddr addr, + MMUAccessType access_type, + int mmu_idx, uintptr_t retaddr) +{ + HPPACPU *cpu = HPPA_CPU(cs); + CPUHPPAState *env = &cpu->env; + + cs->exception_index = EXCP_UNALIGN; + if (env->psw & PSW_Q) { + /* ??? Needs tweaking for hppa64. */ + env->cr[CR_IOR] = addr; + env->cr[CR_ISR] = addr >> 32; + } + + cpu_loop_exit_restore(cs, retaddr); +} + static void hppa_cpu_realizefn(DeviceState *dev, Error **errp) { CPUState *cs = CPU(dev); @@ -139,7 +156,7 @@ static void hppa_cpu_class_init(ObjectClass *oc, void *data) #else cc->get_phys_page_debug = hppa_cpu_get_phys_page_debug; #endif - + cc->do_unaligned_access = hppa_cpu_do_unaligned_access; cc->disas_set_info = hppa_cpu_disas_set_info; cc->tcg_initialize = hppa_translate_init; -- 2.14.3