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[97.113.7.119]) by smtp.gmail.com with ESMTPSA id d20sm7857534pfq.88.2019.10.18.10.44.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Oct 2019 10:44:57 -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; bh=X22okviioTNDt7zI04Hhn7/Ba9cdRHpUwnG0LrTV7qc=; b=Uvo+O8B5nhB1hCuO8tXl8IgS+fjESYIng+bYLuPYt0ykIXNCI9m9GMcqDYYKDAKUKA B7NgaY+lnBS5CbCpqcZccKMYBn9koqvBa6866Y8ApTyAAH+4mUVRGAKNhEwRrnUmE5Sg GcoVkm338NIhcWuUElXc2hMzpc0a73HGAdUeC55c7a0KTnUWQFFeoVD2Z6z/U8mq70Q8 meuefAnx0EK/BAeNBVRQDbWW2m0g+J3ZMpQZ59xkw+IcR66NyyykpZoM+gXWKxIjbUa7 YZSxTyooCpviez/XFSKbT+Gej1f2p8N6ODFg1jmHiLx5sJGGGWtn4zz81uP1FoLWuh7D cMZQ== 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; bh=X22okviioTNDt7zI04Hhn7/Ba9cdRHpUwnG0LrTV7qc=; b=BirXQzCuSv3Z3FW+HAEU/fk944JJvFkip6fqjJ8fyxfUo4aDKSaB4CNYazlwdiVs9i lKlPMD6R2QBPen+qaPyzWAPJSJ6ykkEbIc0zfdZwbk3f6C1xc8Ckk//3oDEdyHld29v2 U2k0bWfgRpd3ZQM7kroROjvm8Gr/Xauey4qrSdhMTLtXPDtWXKM0RaoqJfeQyLUreQKW rhAPe3ekY3PsLPiHqGUhnG32o92NsEaH8xv/K6mFlip6wrvnXGwpn+DFTwsu/Rc1pD5p q1tP/LHC4xKv550+4+88D6n06xVrH+gCR0/K+6S2/q/RiZ/LKN6NhPT9diP4H4zcjThR IcDg== X-Gm-Message-State: APjAAAWnGVJ7xPu/ACOwVaM5MaRffX01o2WymN61BqTZjlqrzdQ4Lm/x e1/PuKYt2RdPFBQh12tMrJBCivBVS9U= X-Google-Smtp-Source: APXvYqxEiMHTFWd0+8+Jjwot2B4GNA7AKnYndljV5p2qZvznW7FluKoKIk5gs03JrCesOj8KQEDmxA== X-Received: by 2002:a17:90a:f311:: with SMTP id ca17mr12070981pjb.112.1571420699116; Fri, 18 Oct 2019 10:44:59 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v8 21/22] target/arm: Rebuild hflags for M-profile NVIC Date: Fri, 18 Oct 2019 10:44:30 -0700 Message-Id: <20191018174431.1784-22-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191018174431.1784-1-richard.henderson@linaro.org> References: <20191018174431.1784-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::441 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: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Continue setting, but not relying upon, env->hflags. Suggested-by: Peter Maydell Signed-off-by: Richard Henderson --- hw/intc/armv7m_nvic.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c index 8e93e51e81..e8c74f9eba 100644 --- a/hw/intc/armv7m_nvic.c +++ b/hw/intc/armv7m_nvic.c @@ -2251,7 +2251,7 @@ static MemTxResult nvic_sysreg_write(void *opaque, hw= addr addr, } } nvic_irq_update(s); - return MEMTX_OK; + goto exit_ok; case 0x200 ... 0x23f: /* NVIC Set pend */ /* the special logic in armv7m_nvic_set_pending() * is not needed since IRQs are never escalated @@ -2269,9 +2269,9 @@ static MemTxResult nvic_sysreg_write(void *opaque, hw= addr addr, } } nvic_irq_update(s); - return MEMTX_OK; + goto exit_ok; case 0x300 ... 0x33f: /* NVIC Active */ - return MEMTX_OK; /* R/O */ + goto exit_ok; /* R/O */ case 0x400 ... 0x5ef: /* NVIC Priority */ startvec =3D (offset - 0x400) + NVIC_FIRST_IRQ; /* vector # */ =20 @@ -2281,10 +2281,10 @@ static MemTxResult nvic_sysreg_write(void *opaque, = hwaddr addr, } } nvic_irq_update(s); - return MEMTX_OK; + goto exit_ok; case 0xd18 ... 0xd1b: /* System Handler Priority (SHPR1) */ if (!arm_feature(&s->cpu->env, ARM_FEATURE_M_MAIN)) { - return MEMTX_OK; + goto exit_ok; } /* fall through */ case 0xd1c ... 0xd23: /* System Handler Priority (SHPR2, SHPR3) */ @@ -2299,10 +2299,10 @@ static MemTxResult nvic_sysreg_write(void *opaque, = hwaddr addr, set_prio(s, hdlidx, sbank, newprio); } nvic_irq_update(s); - return MEMTX_OK; + goto exit_ok; case 0xd28 ... 0xd2b: /* Configurable Fault Status (CFSR) */ if (!arm_feature(&s->cpu->env, ARM_FEATURE_M_MAIN)) { - return MEMTX_OK; + goto exit_ok; } /* All bits are W1C, so construct 32 bit value with 0s in * the parts not written by the access size @@ -2322,15 +2322,19 @@ static MemTxResult nvic_sysreg_write(void *opaque, = hwaddr addr, */ s->cpu->env.v7m.cfsr[M_REG_NS] &=3D ~(value & R_V7M_CFSR_BFSR_= MASK); } - return MEMTX_OK; + goto exit_ok; } if (size =3D=3D 4) { nvic_writel(s, offset, value, attrs); - return MEMTX_OK; + goto exit_ok; } qemu_log_mask(LOG_GUEST_ERROR, "NVIC: Bad write of size %d at offset 0x%x\n", size, off= set); /* This is UNPREDICTABLE; treat as RAZ/WI */ + + exit_ok: + /* Ensure any changes made are reflected in the cached hflags. */ + arm_rebuild_hflags(&s->cpu->env); return MEMTX_OK; } =20 --=20 2.17.1