Message ID | 1614758717-18223-2-git-send-email-dillon.minfei@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Wed, 03 Mar 2021 00:05:25 -0800 (PST) From: dillon.minfei@gmail.com To: robh+dt@kernel.org, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, vladimir.murzin@arm.com, afzal.mohd.ma@gmail.com Cc: dillon min <dillon.minfei@gmail.com> Subject: [PATCH 1/8] ARM: ARMv7-M: Fix register restore corrupt after svc call Date: Wed, 3 Mar 2021 16:05:10 +0800 Message-Id: <1614758717-18223-2-git-send-email-dillon.minfei@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1614758717-18223-1-git-send-email-dillon.minfei@gmail.com> References: <1614758717-18223-1-git-send-email-dillon.minfei@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210303_080630_685513_DCDA3853 X-CRM114-Status: GOOD ( 10.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
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ARM: STM32: add art-pi(stm32h750xbh6) board support
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diff --git a/arch/arm/mm/proc-v7m.S b/arch/arm/mm/proc-v7m.S index 84459c1d31b8..c93d2757312d 100644 --- a/arch/arm/mm/proc-v7m.S +++ b/arch/arm/mm/proc-v7m.S @@ -137,7 +137,10 @@ __v7m_setup_cont: 1: cpsid i /* Calculate exc_ret */ orr r10, lr, #EXC_RET_THREADMODE_PROCESSSTACK - ldmia sp, {r0-r3, r12} + tst lr, #EXC_RET_STACK_MASK + mrsne r4, psp + moveq r4, sp + ldmia r4!, {r0-r3, r12} str r5, [r12, #11 * 4] @ restore the original SVC vector entry mov lr, r6 @ restore LR