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Wed, 15 Apr 2026 05:57:19 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface MIME-Version: 1.0 Date: Wed, 15 Apr 2026 11:56:59 +0200 From: "Ard Biesheuvel" To: "Andy Shevchenko" , "Dmitry Antipov" Cc: "Andrew Morton" , "Charlie Jenkins" , "Paul Walmsley" , "Palmer Dabbelt" , "Albert Ou" , linux-riscv@lists.infradead.org, linux-efi@vger.kernel.org Message-Id: <33c3e393-eacc-4ac2-97e4-5ce45c1b6604@app.fastmail.com> In-Reply-To: References: <20260414102608.573555-1-dmantipov@yandex.ru> <20260414102608.573555-4-dmantipov@yandex.ru> Subject: Re: [PATCH v4 3/3] riscv: fix building compressed EFI image X-BeenThere: linux-riscv@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: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Wed, 15 Apr 2026, at 11:52, Andy Shevchenko wrote: > On Tue, Apr 14, 2026 at 01:26:08PM +0300, Dmitry Antipov wrote: >> When building vmlinuz.efi with CONFIG_EFI_ZBOOT enabled, >> '__lshrdi3()' is also needed to fix yet another link error: >> >> riscv32-linux-gnu-ld: drivers/firmware/efi/libstub/lib-cmdline.stub.o: in function `__efistub_.L49': >> __efistub_cmdline.c:(.init.text+0x202): undefined reference to `__efistub___lshrdi3' >> >> And since riscv64 can have CONFIG_EFI_ZBOOT but doesn't need these >> library routines, introduce CONFIG_EFI_ZBOOT_USE_LIBGCC to manage >> linking of lib-ashldi3.o and lib-lshrdi3.o on riscv32 only. > > Acked-by: Andy Shevchenko > > I think you need a tag from Ard on this. > I don't think we need a new Kconfig symbol for this. Better do something like zboot-riscv-obj-$(CONFIG_32BIT) += lib-ashldi3.o lib-lshrdi3.o zboot-obj-$(CONFIG_RISCV) += lib-clz_ctz.o $(zboot-riscv-obj-y) _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv