From patchwork Mon Dec 4 11:56:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13478232 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6744114F9C for ; Mon, 4 Dec 2023 11:57:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="J5WjEPhO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0AC6C433C8; Mon, 4 Dec 2023 11:57:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701691045; bh=GVPJo8uO9T+V60ClpxXsIQariQDInjL+tl05cbLyqws=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J5WjEPhOrZxIpNezsV3u/mxLcK7Hlo3/HZCu5+pDjyw6ptaF74uL9RVDwGkDMVor0 IBgGfGNu43qo+2Nz5Nwe6S3pJ6eGqcEp6wfpH2lQPcnfl7dWDkNEmFh5sMQo8LdBe4 /cNu7OXGtEXqtM5WTAQSy8Ae45cUF+QVK3dKvuA8d5nOL1zx3r6dJRowDoXqMJnIV/ aHUWTkM7i+MBIrm/vc4oxH7L0qg33oNbbRXYlgtLRh7be7tAAsEa42v95fyTk8R/Gl f8RXvSy68dKBpvArRPQbhCllvCazfanqRt1cELSmlpKwd5/8fw4iksMGd4lt50xo5i QiFCJ8zOsQUfQ== From: Arnd Bergmann To: linux-mips@vger.kernel.org Cc: Arnd Bergmann , "Andrew Morton" , "Stephen Rothwell" , "Linux Kernel Mailing List" , "Thomas Bogendoerfer" Subject: [PATCH 03/20] mips: add missing declarations for trap handlers Date: Mon, 4 Dec 2023 12:56:53 +0100 Message-Id: <20231204115710.2247097-4-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231204115710.2247097-1-arnd@kernel.org> References: <20231204115710.2247097-1-arnd@kernel.org> Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Arnd Bergmann These exception handlers are all called from assembly code, so they don't normally need a declaration, but without one we now get warnings: arch/mips/mm/fault.c:323:17: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:447:17: error: no previous prototype for 'do_be' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:752:17: error: no previous prototype for 'do_ov' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:874:17: error: no previous prototype for 'do_fpe' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1027:17: error: no previous prototype for 'do_bp' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1114:17: error: no previous prototype for 'do_tr' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1151:17: error: no previous prototype for 'do_ri' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1402:17: error: no previous prototype for 'do_cpu' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1507:17: error: no previous prototype for 'do_msa_fpe' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1527:17: error: no previous prototype for 'do_msa' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1548:17: error: no previous prototype for 'do_mdmx' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1560:17: error: no previous prototype for 'do_watch' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1587:17: error: no previous prototype for 'do_mcheck' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1612:17: error: no previous prototype for 'do_mt' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1648:17: error: no previous prototype for 'do_dsp' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1656:17: error: no previous prototype for 'do_reserved' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1832:17: error: no previous prototype for 'cache_parity_error' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1880:17: error: no previous prototype for 'do_ftlb' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1909:17: error: no previous prototype for 'do_gsexc' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1944:6: error: no previous prototype for 'ejtag_exception_handler' [-Werror=missing-prototypes] arch/mips/kernel/traps.c:1989:17: error: no previous prototype for 'nmi_exception_handler' [-Werror=missing-prototypes] arch/mips/kernel/unaligned.c:1516:17: error: no previous prototype for 'do_ade' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann --- arch/mips/include/asm/traps.h | 23 +++++++++++++++++++++++ arch/mips/kernel/r4k-bugs64.c | 1 + arch/mips/kernel/unaligned.c | 1 + arch/mips/mm/fault.c | 1 + 4 files changed, 26 insertions(+) diff --git a/arch/mips/include/asm/traps.h b/arch/mips/include/asm/traps.h index d4d9f8a8fdea..1e63d7d04404 100644 --- a/arch/mips/include/asm/traps.h +++ b/arch/mips/include/asm/traps.h @@ -41,5 +41,28 @@ extern char except_vec_nmi[]; asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write, unsigned long address); +asmlinkage void do_ade(struct pt_regs *regs); +asmlinkage void do_be(struct pt_regs *regs); +asmlinkage void do_ov(struct pt_regs *regs); +asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31); +asmlinkage void do_bp(struct pt_regs *regs); +asmlinkage void do_tr(struct pt_regs *regs); +asmlinkage void do_ri(struct pt_regs *regs); +asmlinkage void do_cpu(struct pt_regs *regs); +asmlinkage void do_msa_fpe(struct pt_regs *regs, unsigned int msacsr); +asmlinkage void do_msa(struct pt_regs *regs); +asmlinkage void do_mdmx(struct pt_regs *regs); +asmlinkage void do_watch(struct pt_regs *regs); +asmlinkage void do_mcheck(struct pt_regs *regs); +asmlinkage void do_mt(struct pt_regs *regs); +asmlinkage void do_dsp(struct pt_regs *regs); +asmlinkage void do_reserved(struct pt_regs *regs); +asmlinkage void do_ftlb(void); +asmlinkage void do_gsexc(struct pt_regs *regs, u32 diag1); +asmlinkage void do_daddi_ov(struct pt_regs *regs); + +asmlinkage void cache_parity_error(void); +asmlinkage void ejtag_exception_handler(struct pt_regs *regs); +asmlinkage void __noreturn nmi_exception_handler(struct pt_regs *regs); #endif /* _ASM_TRAPS_H */ diff --git a/arch/mips/kernel/r4k-bugs64.c b/arch/mips/kernel/r4k-bugs64.c index 6ffefb2c6971..1e300330078d 100644 --- a/arch/mips/kernel/r4k-bugs64.c +++ b/arch/mips/kernel/r4k-bugs64.c @@ -14,6 +14,7 @@ #include #include #include +#include static char bug64hit[] __initdata = "reliable operation impossible!\n%s"; diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index f4cf94e92ec3..db652c99b72e 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c @@ -91,6 +91,7 @@ #include #include #include +#include #include #include "access-helper.h" diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index d7878208bd3f..aaa9a242ebba 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -26,6 +26,7 @@ #include #include #include /* For VMALLOC_END */ +#include #include int show_unhandled_signals = 1;