From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x1043.google.com ([2607:f8b0:4864:20::1043]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jIvgg-0004Tk-CT for linux-um@lists.infradead.org; Mon, 30 Mar 2020 14:46:51 +0000 Received: by mail-pj1-x1043.google.com with SMTP id w9so7680389pjh.1 for ; Mon, 30 Mar 2020 07:46:50 -0700 (PDT) From: Hajime Tazaki Subject: [RFC v4 03/25] um lkl: host interface Date: Mon, 30 Mar 2020 23:45:35 +0900 Message-Id: In-Reply-To: References: MIME-Version: 1.0 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-um" Errors-To: linux-um-bounces+geert=linux-m68k.org@lists.infradead.org To: linux-um@lists.infradead.org Cc: linux-arch@vger.kernel.org, Hajime Tazaki , Octavian Purdila , Akira Moroo , Patrick Collins , linux-kernel-library@freelists.org, Pierre-Hugues Husson , Michael Zimmermann , Yuan Liu From: Octavian Purdila This patch introduces the host operations that define the interface between the LKL and the host. These operations must be provided either by a host library or by the application itself. Cc: Michael Zimmermann Cc: Patrick Collins Cc: Pierre-Hugues Husson Cc: Yuan Liu Signed-off-by: Hajime Tazaki Signed-off-by: Octavian Purdila --- arch/um/lkl/include/asm/host_ops.h | 10 ++++++++++ arch/um/lkl/include/uapi/asm/host_ops.h | 26 +++++++++++++++++++++++++ 2 files changed, 36 insertions(+) create mode 100644 arch/um/lkl/include/asm/host_ops.h create mode 100644 arch/um/lkl/include/uapi/asm/host_ops.h diff --git a/arch/um/lkl/include/asm/host_ops.h b/arch/um/lkl/include/asm/host_ops.h new file mode 100644 index 000000000000..65850f394b79 --- /dev/null +++ b/arch/um/lkl/include/asm/host_ops.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_LKL_HOST_OPS_H +#define _ASM_LKL_HOST_OPS_H + +#include "irq.h" +#include + +extern struct lkl_host_operations *lkl_ops; + +#endif diff --git a/arch/um/lkl/include/uapi/asm/host_ops.h b/arch/um/lkl/include/uapi/asm/host_ops.h new file mode 100644 index 000000000000..7cfb0a93e6a6 --- /dev/null +++ b/arch/um/lkl/include/uapi/asm/host_ops.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_UAPI_LKL_HOST_OPS_H +#define _ASM_UAPI_LKL_HOST_OPS_H + +/* Defined in {posix,nt}-host.c */ +struct lkl_mutex; +struct lkl_sem; +struct lkl_tls_key; +typedef unsigned long lkl_thread_t; +struct lkl_jmp_buf { + unsigned long buf[32]; +}; + +/** + * lkl_host_operations - host operations used by the Linux kernel + * + * These operations must be provided by a host library or by the application + * itself. + * + */ +struct lkl_host_operations { +}; + +void lkl_bug(const char *fmt, ...); + +#endif -- 2.21.0 (Apple Git-122.2) _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um