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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.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.5 required=4.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 2/5] ARM: at91: Merge sama5_boot_xload() asm code 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) This merges the sama5_boot_xload() assembler code to prevent the r4 register from being used in the second line of asm volatile(). Signed-off-by: Alexander Shiyan --- include/mach/at91/sama5_bootsource.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/include/mach/at91/sama5_bootsource.h b/include/mach/at91/sama5_bootsource.h index 2fb65ce10f..aeda1b4114 100644 --- a/include/mach/at91/sama5_bootsource.h +++ b/include/mach/at91/sama5_bootsource.h @@ -56,8 +56,13 @@ extern unsigned long at91_bootsource; static inline void __noreturn sama5_boot_xload(void __noreturn (*bb)(void), u32 r4) { - asm volatile("mov r4, %0" : : "r"(r4) : ); - asm volatile("bx %0" : : "r"(bb) : ); + asm volatile ( + "mov r4, %0\n" + "bx %1\n" + : + : "r"(r4), "r"(bb) + : "r4" + ); __builtin_unreachable(); } -- 2.39.1