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Fri, 18 Oct 2019 01:08:51 -0700 (PDT) From: Paul Walmsley To: linux-riscv@lists.infradead.org Subject: [PATCH v3 1/8] riscv: add prototypes for assembly language functions from entry.S Date: Fri, 18 Oct 2019 01:08:34 -0700 Message-Id: <20191018080841.26712-2-paul.walmsley@sifive.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191018080841.26712-1-paul.walmsley@sifive.com> References: <20191018080841.26712-1-paul.walmsley@sifive.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191018_010852_868380_766321AB X-CRM114-Status: GOOD ( 12.53 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org Add prototypes for assembly language functions defined in entry.S, and include these prototypes into C source files that call those functions. This patch resolves the following warnings from sparse: arch/riscv/kernel/signal.c:32:53: warning: incorrect type in initializer (different address spaces) arch/riscv/kernel/signal.c:45:23: warning: incorrect type in initializer (different address spaces) arch/riscv/kernel/signal.c:59:53: warning: incorrect type in initializer (different address spaces) arch/riscv/kernel/signal.c:69:23: warning: incorrect type in initializer (different address spaces) arch/riscv/kernel/signal.c:89:48: warning: incorrect type in argument 2 (different address spaces) arch/riscv/kernel/signal.c:142:45: warning: incorrect type in argument 2 (different address spaces) arch/riscv/kernel/signal.c:295:17: warning: symbol 'do_notify_resume' was not declared. Should it be static? arch/riscv/kernel/traps.c:91:1: warning: symbol 'do_trap_unknown' was not declared. Should it be static? arch/riscv/kernel/traps.c:93:1: warning: symbol 'do_trap_insn_misaligned' was not declared. Should it be static? arch/riscv/kernel/traps.c:95:1: warning: symbol 'do_trap_insn_fault' was not declared. Should it be static? arch/riscv/kernel/traps.c:97:1: warning: symbol 'do_trap_insn_illegal' was not declared. Should it be static? arch/riscv/kernel/traps.c:99:1: warning: symbol 'do_trap_load_misaligned' was not declared. Should it be static? arch/riscv/kernel/traps.c:101:1: warning: symbol 'do_trap_load_fault' was not declared. Should it be static? arch/riscv/kernel/traps.c:103:1: warning: symbol 'do_trap_store_misaligned' was not declared. Should it be static? arch/riscv/kernel/traps.c:105:1: warning: symbol 'do_trap_store_fault' was not declared. Should it be static? arch/riscv/kernel/traps.c:107:1: warning: symbol 'do_trap_ecall_u' was not declared. Should it be static? arch/riscv/kernel/traps.c:109:1: warning: symbol 'do_trap_ecall_s' was not declared. Should it be static? arch/riscv/kernel/traps.c:111:1: warning: symbol 'do_trap_ecall_m' was not declared. Should it be static? arch/riscv/kernel/traps.c:125:17: warning: symbol 'do_trap_break' was not declared. Should it be static? arch/riscv/kernel/traps.c:163:13: warning: symbol 'trap_init' was not declared. Should it be static? This change should have no functional impact. Signed-off-by: Paul Walmsley --- arch/riscv/kernel/entry.h | 29 +++++++++++++++++++++++++++++ arch/riscv/kernel/signal.c | 2 ++ arch/riscv/kernel/traps.c | 2 ++ 3 files changed, 33 insertions(+) create mode 100644 arch/riscv/kernel/entry.h diff --git a/arch/riscv/kernel/entry.h b/arch/riscv/kernel/entry.h new file mode 100644 index 000000000000..73bfcda993d0 --- /dev/null +++ b/arch/riscv/kernel/entry.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2019 SiFive, Inc. + */ +#ifndef __ASM_ENTRY_H +#define __ASM_ENTRY_H + +#include +#include + +asmlinkage void do_trap_unknown(struct pt_regs *regs); +asmlinkage void do_trap_insn_misaligned(struct pt_regs *regs); +asmlinkage void do_trap_insn_fault(struct pt_regs *regs); +asmlinkage void do_trap_insn_illegal(struct pt_regs *regs); +asmlinkage void do_trap_load_misaligned(struct pt_regs *regs); +asmlinkage void do_trap_load_fault(struct pt_regs *regs); +asmlinkage void do_trap_store_misaligned(struct pt_regs *regs); +asmlinkage void do_trap_store_fault(struct pt_regs *regs); +asmlinkage void do_trap_ecall_u(struct pt_regs *regs); +asmlinkage void do_trap_ecall_s(struct pt_regs *regs); +asmlinkage void do_trap_ecall_m(struct pt_regs *regs); +asmlinkage void do_trap_break(struct pt_regs *regs); + +asmlinkage void do_notify_resume(struct pt_regs *regs, + unsigned long thread_info_flags); + +void __init trap_init(void); + +#endif /* __ASM__H */ diff --git a/arch/riscv/kernel/signal.c b/arch/riscv/kernel/signal.c index b14d7647d800..85c700ad47e9 100644 --- a/arch/riscv/kernel/signal.c +++ b/arch/riscv/kernel/signal.c @@ -17,6 +17,8 @@ #include #include +#include "entry.h" + #define DEBUG_SIG 0 struct rt_sigframe { diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c index 1ac75f7d0bff..eff679c3b618 100644 --- a/arch/riscv/kernel/traps.c +++ b/arch/riscv/kernel/traps.c @@ -19,6 +19,8 @@ #include #include +#include "entry.h" + int show_unhandled_signals = 1; extern asmlinkage void handle_exception(void); -- 2.23.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv