From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 10 Mar 2021 09:51:05 +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 1lJuYb-0001Ed-Fy for lore@lore.pengutronix.de; Wed, 10 Mar 2021 09:51:05 +0100 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lJuYa-0002of-3q for lore@pengutronix.de; Wed, 10 Mar 2021 09:51:05 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=dAa8sna8D7h8CuuGMfUnnX68dHOdIXc+RSODQaudtvw=; b=DmdZiG7kFZWkiWLQJrqVpc0/H Rz78meQxNZEVRBEihwGhIug0349CooQnTN0rymU9xISDx5SkoYgtFKvM2pyzRgo3giXmeulfFA2BY Jxj8DmS3lKVLNCoz7BUUKBeUYyldHSv16L8E9il2EPy1+AbnQkgm4uTr4UVxd4OTTYOP621tiuFvD DrK6Dvp8BaQsQ0OaNembLxZ5CYuryKBY43rSUvwQ4ekUOv69tDFftjzf0N0FXLLK0+Jcnjy2zrwY2 jdoGdmOeoVsssnV0cLjIrDsfWZOxKtXs7dbjz2ScesmI8Pf5TJxO8WL8JpKKD3NVYKl7l+qpvzN9s OvuOY2u/Q==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lJuXN-006Lyi-7H; Wed, 10 Mar 2021 08:49:49 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lJuVv-006LOt-O0 for barebox@lists.infradead.org; Wed, 10 Mar 2021 08:48:21 +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 1lJuVf-0001TY-2r; Wed, 10 Mar 2021 09:48:03 +0100 Received: from afa by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1lJuVd-0001zF-Ge; Wed, 10 Mar 2021 09:48:01 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Peter Mamonov , Peter Korsgaard , Sascha Hauer , Ahmad Fatoum Date: Wed, 10 Mar 2021 09:47:47 +0100 Message-Id: <20210310084800.3584-4-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210310084800.3584-1-a.fatoum@pengutronix.de> References: <20210310084800.3584-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210310_084819_878220_9427A47A X-CRM114-Status: UNSURE ( 9.28 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2001:8b0:10b:1:d65d:64ff:fe57:4e05 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=-3.5 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 v3 03/16] 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 incoming bthread support. 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