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[209.51.188.17]) by mx.google.com with ESMTPS id l2si1930805qvq.3.2020.04.23.10.08.36 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 23 Apr 2020 10:08:36 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=pNCYiAY0; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:60590 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jRfL2-0005ru-99 for patch@linaro.org; Thu, 23 Apr 2020 13:08:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44604) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jRfIf-0000yi-4g for qemu-devel@nongnu.org; Thu, 23 Apr 2020 13:06:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.90_1) (envelope-from ) id 1jRfIe-0005Ul-H4 for qemu-devel@nongnu.org; Thu, 23 Apr 2020 13:06:08 -0400 Received: from mail-wr1-x432.google.com ([2a00:1450:4864:20::432]:37069) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jRfIe-0005TY-3p for qemu-devel@nongnu.org; Thu, 23 Apr 2020 13:06:08 -0400 Received: by mail-wr1-x432.google.com with SMTP id k1so7728570wrx.4 for ; Thu, 23 Apr 2020 10:06:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zg2dR+/RlCjvNQhC4AT2xzR1UuuQk7HaGZ9Y5groXFk=; b=pNCYiAY00eT6Apf7e5j30GROa+d8kski7hPFKxOATF3bumu1NIEVn4DsiEXLq4TJoI oR4AoEJWoxk2mKt1+30SaBLO+oXNzRMefh9OddYie9ipFJNSOHC/RcY24cIZRFQ+XCC0 yHZhAhArqLosynIsJP+jg0vOtLiol2h0iUkVTxEklirzXYYZIQVdx2WdM1wmT3zHdTh5 4Z/Z3n0FYMGXSlCuRvPlg18wcT9P89MXqBViOGfA9Bgrc/gGk+PccaPPdNZhYVeo08fQ 36GfUsVfMGcSDKCLBkHzrJuhTqG0ltNWkvUhER2YXh5JO96EytVudziMtpf3C3VMdrx+ bYdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zg2dR+/RlCjvNQhC4AT2xzR1UuuQk7HaGZ9Y5groXFk=; b=D6dQfQfiHhiuNNJ4P/pxhX5VuklshFatDqh8/z4eZrRobgBJIUe55msV+hcG87cPlg VbZGXGxwKFm9RaC3qcwL6RW4hkO6rvWLYa5G6ESp5gbhInI63EfHNub8bpnlwf70rep0 +fLHxWVV0DvqdwMOQsnWB2o1xz+QwcY4RVG+4b1L68KVaEJ3tpwYiZcZKiim2Hvqu4pw kpo+SDM4TJdcDE5pVy+MyOvyaT/prC++mi/IfPodR4AuzJ68IPq1lup108d4sulB6R2Y Ezf+XICoku39x/B7O8F3VT2BWqL2ZoxFlnRX2dqMgKozc7rCYIuFxz+1MJNuARW6fH7h HBPw== X-Gm-Message-State: AGi0PuYPJZZWcVCHphGxn3K2v90rRrJwnKSWfTx7vWEPZ76yDyWqpUrt fQU/jmMJ4kIgVBN3LZnMIEtLXA== X-Received: by 2002:adf:9d8d:: with SMTP id p13mr5874329wre.17.1587661566668; Thu, 23 Apr 2020 10:06:06 -0700 (PDT) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id w11sm4369417wmi.32.2020.04.23.10.06.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Apr 2020 10:06:04 -0700 (PDT) Received: from zen.lan (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id CADAE1FF92; Thu, 23 Apr 2020 18:05:57 +0100 (BST) From: =?utf-8?q?Alex_Benn=C3=A9e?= To: qemu-devel@nongnu.org Subject: [PATCH v1 06/14] gdbstub: Introduce gdb_get_float64() to get 64-bit float registers Date: Thu, 23 Apr 2020 18:05:49 +0100 Message-Id: <20200423170557.31106-7-alex.bennee@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200423170557.31106-1-alex.bennee@linaro.org> References: <20200423170557.31106-1-alex.bennee@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::432; envelope-from=alex.bennee@linaro.org; helo=mail-wr1-x432.google.com X-detected-operating-system: by eggs.gnu.org: Error: [-] PROGRAM ABORT : Malformed IPv6 address (bad octet value). Location : parse_addr6(), p0f-client.c:67 X-Received-From: 2a00:1450:4864:20::432 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "open list:PowerPC TCG CPUs" , =?utf-8?q?Alex_Ben?= =?utf-8?q?n=C3=A9e?= , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Laurent Vivier , David Gibson Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Philippe Mathieu-Daudé When converted to use GByteArray in commits 462474d760c and a010bdbe719, the call to stfq_p() was removed. This call serialize a float. Since we now use a GByteArray, we can not use stfq_p() directly. Introduce the gdb_get_float64() helper to load a float64 register. Fixes: 462474d760c ("target/m68k: use gdb_get_reg helpers") Fixes: a010bdbe719 ("extend GByteArray to read register helpers") Signed-off-by: Philippe Mathieu-Daudé Signed-off-by: Alex Bennée Message-Id: <20200414163853.12164-3-philmd@redhat.com> --- include/exec/gdbstub.h | 11 +++++++++++ target/m68k/helper.c | 3 ++- target/ppc/gdbstub.c | 4 ++-- target/ppc/translate_init.inc.c | 2 +- 4 files changed, 16 insertions(+), 4 deletions(-) -- 2.20.1 diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h index 20e1072692..4a2b8e3089 100644 --- a/include/exec/gdbstub.h +++ b/include/exec/gdbstub.h @@ -134,6 +134,17 @@ static inline int gdb_get_float32(GByteArray *array, float32 val) return sizeof(buf); } + +static inline int gdb_get_float64(GByteArray *array, float64 val) +{ + uint8_t buf[sizeof(CPU_DoubleU)]; + + stfq_p(buf, val); + g_byte_array_append(array, buf, sizeof(buf)); + + return sizeof(buf); +} + static inline int gdb_get_zeroes(GByteArray *array, size_t len) { guint oldlen = array->len; diff --git a/target/m68k/helper.c b/target/m68k/helper.c index cad4083895..79b0b10ea9 100644 --- a/target/m68k/helper.c +++ b/target/m68k/helper.c @@ -72,7 +72,8 @@ static int cf_fpu_gdb_get_reg(CPUM68KState *env, GByteArray *mem_buf, int n) { if (n < 8) { float_status s; - return gdb_get_reg64(mem_buf, floatx80_to_float64(env->fregs[n].d, &s)); + return gdb_get_float64(mem_buf, + floatx80_to_float64(env->fregs[n].d, &s)); } switch (n) { case 8: /* fpcontrol */ diff --git a/target/ppc/gdbstub.c b/target/ppc/gdbstub.c index eb362dd9ae..5c11c88b2a 100644 --- a/target/ppc/gdbstub.c +++ b/target/ppc/gdbstub.c @@ -130,7 +130,7 @@ int ppc_cpu_gdb_read_register(CPUState *cs, GByteArray *buf, int n) gdb_get_regl(buf, env->gpr[n]); } else if (n < 64) { /* fprs */ - gdb_get_reg64(buf, *cpu_fpr_ptr(env, n - 32)); + gdb_get_float64(buf, *cpu_fpr_ptr(env, n - 32)); } else { switch (n) { case 64: @@ -184,7 +184,7 @@ int ppc_cpu_gdb_read_register_apple(CPUState *cs, GByteArray *buf, int n) gdb_get_reg64(buf, env->gpr[n]); } else if (n < 64) { /* fprs */ - gdb_get_reg64(buf, *cpu_fpr_ptr(env, n - 32)); + gdb_get_float64(buf, *cpu_fpr_ptr(env, n - 32)); } else if (n < 96) { /* Altivec */ gdb_get_reg64(buf, n - 64); diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c index e853164a86..d825cb5975 100644 --- a/target/ppc/translate_init.inc.c +++ b/target/ppc/translate_init.inc.c @@ -9881,7 +9881,7 @@ static int gdb_get_float_reg(CPUPPCState *env, GByteArray *buf, int n) { uint8_t *mem_buf; if (n < 32) { - gdb_get_reg64(buf, *cpu_fpr_ptr(env, n)); + gdb_get_float64(buf, *cpu_fpr_ptr(env, n)); mem_buf = gdb_get_reg_ptr(buf, 8); ppc_maybe_bswap_register(env, mem_buf, 8); return 8;