From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 04 Oct 2022 17:50:14 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ofkBS-005hwm-JF for lore@lore.pengutronix.de; Tue, 04 Oct 2022 17:50:14 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ofkBR-0004pJ-Ga for lore@pengutronix.de; Tue, 04 Oct 2022 17:50:14 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=2aB1faBzKgIGLBQQQpLxI2sTmab8oR5uSXv0bnFRSrY=; b=j4rrB/u619kTx4TJ7Y7Tt0n7Us NM+4Lh7y70ApMJjypmmatBWZwU+915Q1YSnJEtGOujJZWc3WtQ89vrwxspWQwmYgV6n+RR72umnPC CtP6P1FLXdOGU+C6lh/FXYNxlvTH8xgfZ0safAtf2kf7xfayqnAqx4dMSGwtCHqyt/2hombg+T8OT 8LNWTaQaTUwp8qMF4IpBhlHwfBGH4DYuVdRX/279n2U6o1vTgUv8nKG5bMEYY7YY58UswrtcymMO4 yqzc6wz/e9gm6V4V5Ata4r0EML9XN1F3gX4YBTsPgWvdU2PsmxtF4hLLkrHESU27NYmxdWRmphAH+ j0UZ0kIg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ofk9Y-00A7EU-Jp; Tue, 04 Oct 2022 15:48:16 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ofk9S-00A7DB-JF for barebox@lists.infradead.org; Tue, 04 Oct 2022 15:48:13 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ofk9L-0004aO-Hg; Tue, 04 Oct 2022 17:48:03 +0200 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1ofk9L-004aks-97; Tue, 04 Oct 2022 17:48:01 +0200 Received: from afa by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1ofk9J-00EVbj-5n; Tue, 04 Oct 2022 17:48:01 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Tue, 4 Oct 2022 17:48:00 +0200 Message-Id: <20221004154800.3457742-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221004_084810_653046_56A7EFBB X-CRM114-Status: GOOD ( 12.03 ) 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: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 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=-4.5 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH] sandbox: implement DEBUG_LL support 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) We can't currently debug malloc() or early parts of the driver model on sandbox, because we require both to allocate the sandbox console device. To make debugging such early startup easier in future, add some simple DEBUG_LL support. Signed-off-by: Ahmad Fatoum --- arch/sandbox/Kconfig | 1 + arch/sandbox/Makefile | 3 ++- arch/sandbox/include/asm/debug_ll.h | 16 ++++++++++++++++ 3 files changed, 19 insertions(+), 1 deletion(-) create mode 100644 arch/sandbox/include/asm/debug_ll.h diff --git a/arch/sandbox/Kconfig b/arch/sandbox/Kconfig index a8bca8757f28..d3889fcac03c 100644 --- a/arch/sandbox/Kconfig +++ b/arch/sandbox/Kconfig @@ -16,6 +16,7 @@ config SANDBOX select ARCH_HAS_STACK_DUMP if ASAN select GENERIC_FIND_NEXT_BIT select HAS_ARCH_SJLJ + select HAS_ASM_DEBUG_LL default y config ARCH_TEXT_BASE diff --git a/arch/sandbox/Makefile b/arch/sandbox/Makefile index aee6bccc9c14..d5ba05ba866f 100644 --- a/arch/sandbox/Makefile +++ b/arch/sandbox/Makefile @@ -30,7 +30,8 @@ KBUILD_CFLAGS += -Dmalloc=barebox_malloc -Dcalloc=barebox_calloc \ -Dopendir=barebox_opendir -Dreaddir=barebox_readdir \ -Dclosedir=barebox_closedir -Dreadlink=barebox_readlink \ -Doptarg=barebox_optarg -Doptind=barebox_optind \ - -Dsetjmp=barebox_setjmp -Dlongjmp=barebox_longjmp + -Dsetjmp=barebox_setjmp -Dlongjmp=barebox_longjmp \ + -Dputchar=barebox_putchar machdirs := $(patsubst %,arch/sandbox/mach-%/,$(machine-y)) diff --git a/arch/sandbox/include/asm/debug_ll.h b/arch/sandbox/include/asm/debug_ll.h new file mode 100644 index 000000000000..7bef8710581e --- /dev/null +++ b/arch/sandbox/include/asm/debug_ll.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __ASM_DEBUG_LL__ +#define __ASM_DEBUG_LL__ + +#undef putchar + +static inline void PUTC_LL(char ch) +{ + int putchar(int c); + putchar(ch); +} + +#define putchar barebox_putchar + +#endif /* __ASM_DEBUG_LL__ */ -- 2.30.2