From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 26 Sep 2024 13:23:47 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1stmb4-002yrY-1g for lore@lore.pengutronix.de; Thu, 26 Sep 2024 13:23:47 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1stmb3-0002ip-9y for lore@pengutronix.de; Thu, 26 Sep 2024 13:23:47 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:To:In-Reply-To: References:Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version: Subject:Date:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=u8l9AbFYJCs8NfWPda8TDxSK/ndeDnB1TQcJNVA36ag=; b=yAyXdZzgj3wEnuoFyNSnp4cBaQ FqctBi9igdKDgiK4nPi2C392eQTqihVzDlrwaqnb264NoUuzLICGmiVLxU+HVXx2skJ8o+Vcg8PSR pOojHHXW7tzmHyNoIM1vKcJonRcudjGPJ3xHInQrKVFgtVD0sJrbFFOR5KSXcK2AuUDDLGQR/i1WX UnH2Xc1vK6qFkz9kTTQRQ3ZuYRx5OK0hhFkpDOsvHSaDv4yxOMyG3zhZgstBAF+dHokSR+7IN9V2G trDGL6MCXdH/uPFQEJ8I5TwpNE+dwwljTu6ISYdPvRhOLJrvsuAbwkBgEzkoOhrqtprL2ODLSSwIv Sq6dhbww==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1stmaS-00000008DaN-1D3f; Thu, 26 Sep 2024 11:23:08 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1stmUu-00000008CeT-0xca for barebox@lists.infradead.org; Thu, 26 Sep 2024 11:17:25 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1stmUc-0006st-Si; Thu, 26 Sep 2024 13:17:06 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1stmUc-001fjp-8y; Thu, 26 Sep 2024 13:17:06 +0200 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1stmUc-00FhS5-1v; Thu, 26 Sep 2024 13:17:06 +0200 From: Sascha Hauer Date: Thu, 26 Sep 2024 13:17:03 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240926-arm-assembly-memmove-v2-1-0a3313d29a66@pengutronix.de> References: <20240926-arm-assembly-memmove-v2-0-0a3313d29a66@pengutronix.de> In-Reply-To: <20240926-arm-assembly-memmove-v2-0-0a3313d29a66@pengutronix.de> To: "open list:BAREBOX" X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1727349426; l=5095; i=s.hauer@pengutronix.de; s=20230412; h=from:subject:message-id; bh=mD/wn1eq/oaXC8T5Z000wPfKOB/jvyKH/W2lOIbVE6E=; b=KlsQenCK48t6dK/FfW/7mJrEi+v9oRTCX9zimaqYwrLICUuXvQ7C5qOuYN2Wz2qaJbhCbo9b8 ET23NT4U4wYDKx7KsEHPO/CpllYggoUUy2YF/BUjP+T85vYiio1aur/ X-Developer-Key: i=s.hauer@pengutronix.de; a=ed25519; pk=4kuc9ocmECiBJKWxYgqyhtZOHj5AWi7+d0n/UjhkwTg= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240926_041724_313506_1E0F9C51 X-CRM114-Status: GOOD ( 11.31 ) 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: , Cc: Ahmad Fatoum 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.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.0 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 01/10] ARM: Use optimized reads[bwl] and writes[bwl] functions X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) The optimized versions are there for ARM32, but since 0d53f3c584a2 ("arm: use asm-generic/io.h") they were no longer used. Activate them again. Reviewed-by: Ahmad Fatoum Signed-off-by: Sascha Hauer --- arch/arm/include/asm/io.h | 24 ++++++++++++++++++++++++ arch/arm/lib32/io-readsb.S | 6 +++--- arch/arm/lib32/io-readsl.S | 6 +++--- arch/arm/lib32/io-readsw-armv4.S | 6 +++--- arch/arm/lib32/io-writesb.S | 6 +++--- arch/arm/lib32/io-writesl.S | 6 +++--- 6 files changed, 39 insertions(+), 15 deletions(-) diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 486b142950..9e9b13ad18 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -3,6 +3,30 @@ #ifndef __ASM_ARM_IO_H #define __ASM_ARM_IO_H +#include + +#ifndef CONFIG_CPU_64 +/* + * Generic IO read/write. These perform native-endian accesses. Note + * that some architectures will want to re-define __raw_{read,write}w. + */ +void __raw_writesb(volatile void __iomem *addr, const void *data, int bytelen); +void __raw_writesw(volatile void __iomem *addr, const void *data, int wordlen); +void __raw_writesl(volatile void __iomem *addr, const void *data, int longlen); + +void __raw_readsb(const volatile void __iomem *addr, void *data, int bytelen); +void __raw_readsw(const volatile void __iomem *addr, void *data, int wordlen); +void __raw_readsl(const volatile void __iomem *addr, void *data, int longlen); + +#define readsb(p,d,l) __raw_readsb(p,d,l) +#define readsw(p,d,l) __raw_readsw(p,d,l) +#define readsl(p,d,l) __raw_readsl(p,d,l) + +#define writesb(p,d,l) __raw_writesb(p,d,l) +#define writesw(p,d,l) __raw_writesw(p,d,l) +#define writesl(p,d,l) __raw_writesl(p,d,l) +#endif + #define IO_SPACE_LIMIT 0 #define memcpy_fromio memcpy_fromio diff --git a/arch/arm/lib32/io-readsb.S b/arch/arm/lib32/io-readsb.S index f853c48021..41f68092c5 100644 --- a/arch/arm/lib32/io-readsb.S +++ b/arch/arm/lib32/io-readsb.S @@ -7,7 +7,7 @@ #include #include -.section .text.readsb +.section .text.__raw_readsb .Linsb_align: rsb ip, ip, #4 cmp ip, r2 @@ -22,7 +22,7 @@ subs r2, r2, ip bne .Linsb_aligned -ENTRY(readsb) +ENTRY(__raw_readsb) teq r2, #0 @ do we have to check for the zero len? moveq pc, lr ands ip, r1, #3 @@ -119,4 +119,4 @@ ENTRY(readsb) strgtb r3, [r1] ldmfd sp!, {r4 - r6, pc} -ENDPROC(readsb) +ENDPROC(__raw_readsb) diff --git a/arch/arm/lib32/io-readsl.S b/arch/arm/lib32/io-readsl.S index bb8b96ded0..e1855fd636 100644 --- a/arch/arm/lib32/io-readsl.S +++ b/arch/arm/lib32/io-readsl.S @@ -7,9 +7,9 @@ #include #include -.section .text.readsl +.section .text.__raw_readsl -ENTRY(readsl) +ENTRY(__raw_readsl) teq r2, #0 @ do we have to check for the zero len? moveq pc, lr ands ip, r1, #3 @@ -75,4 +75,4 @@ ENTRY(readsl) 8: mov r3, ip, get_byte_0 strb r3, [r1, #0] mov pc, lr -ENDPROC(readsl) +ENDPROC(__raw_readsl) diff --git a/arch/arm/lib32/io-readsw-armv4.S b/arch/arm/lib32/io-readsw-armv4.S index 25f2778860..9fb7fd7576 100644 --- a/arch/arm/lib32/io-readsw-armv4.S +++ b/arch/arm/lib32/io-readsw-armv4.S @@ -15,7 +15,7 @@ #endif .endm -.section .text.readsw +.section .text.__raw_readsw .Linsw_align: movs ip, r1, lsl #31 bne .Linsw_noalign @@ -23,7 +23,7 @@ sub r2, r2, #1 strh ip, [r1], #2 -ENTRY(readsw) +ENTRY(__raw_readsw) teq r2, #0 moveq pc, lr tst r1, #3 @@ -127,4 +127,4 @@ ENTRY(readsw) _BE_ONLY_( movne ip, ip, lsr #24 ) strneb ip, [r1] ldmfd sp!, {r4, pc} -ENDPROC(readsw) +ENDPROC(__raw_readsw) diff --git a/arch/arm/lib32/io-writesb.S b/arch/arm/lib32/io-writesb.S index 313839bff6..b6ce85f0d4 100644 --- a/arch/arm/lib32/io-writesb.S +++ b/arch/arm/lib32/io-writesb.S @@ -27,7 +27,7 @@ #endif .endm -.section .text.writesb +.section .text.__raw_writesb .Loutsb_align: rsb ip, ip, #4 cmp ip, r2 @@ -42,7 +42,7 @@ subs r2, r2, ip bne .Loutsb_aligned -ENTRY(writesb) +ENTRY(__raw_writesb) teq r2, #0 @ do we have to check for the zero len? moveq pc, lr ands ip, r1, #3 @@ -90,4 +90,4 @@ ENTRY(writesb) strgtb r3, [r0] ldmfd sp!, {r4, r5, pc} -ENDPROC(writesb) +ENDPROC(__raw_writesb) diff --git a/arch/arm/lib32/io-writesl.S b/arch/arm/lib32/io-writesl.S index d9a29d9153..ed91ae19b7 100644 --- a/arch/arm/lib32/io-writesl.S +++ b/arch/arm/lib32/io-writesl.S @@ -7,9 +7,9 @@ #include #include -.section .text.writesl +.section .text.__raw_writesl -ENTRY(writesl) +ENTRY(__raw_writesl) teq r2, #0 @ do we have to check for the zero len? moveq pc, lr ands ip, r1, #3 @@ -63,4 +63,4 @@ ENTRY(writesl) str ip, [r0] bne 6b mov pc, lr -ENDPROC(writesl) +ENDPROC(__raw_writesl) -- 2.39.5