From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 01 Mar 2021 12:02:42 +0100 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1lGgK2-0004TF-Jc for lore@lore.pengutronix.de; Mon, 01 Mar 2021 12:02:42 +0100 Received: from merlin.infradead.org ([2001:8b0:10b:1231::1]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lGgK1-0000Ex-7m for lore@pengutronix.de; Mon, 01 Mar 2021 12:02:42 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=tQ3tzNWbP6Gl0w1OLwJGco+GCnz0uOW+ErP9bQ6wCQc=; b=ArbnI7Io4BwEqRIoQloWag9H6 z6s4ioWigD1ZAkiS86pqV3pIsfesjlnI9ZQ8lMijrjQ7//IIqM4yPJBSekWSfipiBKAgMwHJ28usF Hwujl/WnHVvaXxwrw2OvLJP8LARJm2rxotdDNGS+YVgIYCqOJE4H1tkbnVVVVjrEI0Eh2EMBl9TR5 oAvB/KDt7guQ5dEJhEvU9Y41m86EJz446rMJbOFwBpwDpRT37QnqFOOqsVoEAgyGbLk3ATTErULqm HzZWVysVlkpM365fsJdtLC3k4XrZih2sKLNjQH9FSjImc8eP31QaXOjydeQAkrQBVntmwZwtSoWxx bD3u+jcjA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lGgIj-0005KG-5i; Mon, 01 Mar 2021 11:01:21 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lGgIe-0005I1-Fb for barebox@lists.infradead.org; Mon, 01 Mar 2021 11:01:17 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lGgIb-00089G-Cg; Mon, 01 Mar 2021 12:01:13 +0100 Received: from afa by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1lGgIa-0001b9-Ce; Mon, 01 Mar 2021 12:01:12 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Date: Mon, 1 Mar 2021 12:00:59 +0100 Message-Id: <20210301110106.3764-5-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210301110106.3764-1-a.fatoum@pengutronix.de> References: <20210301110106.3764-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210301_060116_561720_8E4F17F6 X-CRM114-Status: GOOD ( 11.12 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jules Maselbas , Stafford Horne , Ahmad Fatoum , sha@pengutronix.de Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2001:8b0:10b:1231::1 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.4 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v2 04/11] ARM: asm: setjmp: implement coroutine dependency initjmp() X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) Implement initjmp() for use with the coroutine implementation. Signed-off-by: Ahmad Fatoum --- arch/arm/Kconfig | 1 + arch/arm/include/asm/setjmp.h | 2 ++ arch/arm/lib32/setjmp.S | 8 ++++++++ arch/arm/lib64/setjmp.S | 9 +++++++++ 4 files changed, 20 insertions(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index ab0bf030131c..cdb934136e34 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -5,6 +5,7 @@ config ARM select HAVE_CONFIGURABLE_TEXT_BASE if !RELOCATABLE select HAVE_IMAGE_COMPRESSION select HAVE_ARCH_KASAN + select HAS_ARCH_SJLJ select ARM_OPTIMZED_STRING_FUNCTIONS if KASAN default y diff --git a/arch/arm/include/asm/setjmp.h b/arch/arm/include/asm/setjmp.h index 538d9cd50651..4877e4312411 100644 --- a/arch/arm/include/asm/setjmp.h +++ b/arch/arm/include/asm/setjmp.h @@ -26,4 +26,6 @@ typedef struct jmp_buf_data jmp_buf[1]; int setjmp(jmp_buf jmp) __attribute__((returns_twice)); void longjmp(jmp_buf jmp, int ret) __attribute__((noreturn)); +int initjmp(jmp_buf jmp, void __noreturn (*func)(void), void *stack_top); + #endif /* _SETJMP_H_ */ diff --git a/arch/arm/lib32/setjmp.S b/arch/arm/lib32/setjmp.S index f0606a7f6659..626d915da183 100644 --- a/arch/arm/lib32/setjmp.S +++ b/arch/arm/lib32/setjmp.S @@ -33,4 +33,12 @@ ENTRY(longjmp) 1: bx lr ENDPROC(longjmp) + +.pushsection .text.initjmp, "ax" +ENTRY(initjmp) + str a3, [a1, #32] /* stack pointer */ + str a2, [a1, #36] /* return address */ + mov a1, #0 + bx lr +ENDPROC(initjmp) .popsection diff --git a/arch/arm/lib64/setjmp.S b/arch/arm/lib64/setjmp.S index 0910e2f5a6c3..80be8cb0f201 100644 --- a/arch/arm/lib64/setjmp.S +++ b/arch/arm/lib64/setjmp.S @@ -36,3 +36,12 @@ ENTRY(longjmp) ret ENDPROC(longjmp) .popsection + +.pushsection .text.initjmp, "ax" +ENTRY(initjmp) + str x2, [x0, #96] /* stack pointer */ + str x1, [x0, #88] /* return address */ + mov x0, #0 + ret +ENDPROC(initjmp) +.popsection -- 2.29.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox