From owner-svn-src-all@FreeBSD.ORG Mon Feb 18 23:13:14 2013 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 92F0AAAF; Mon, 18 Feb 2013 23:13:14 +0000 (UTC) (envelope-from kientzle@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) by mx1.freebsd.org (Postfix) with ESMTP id 689DCCFC; Mon, 18 Feb 2013 23:13:14 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.5/8.14.5) with ESMTP id r1INDE8s058048; Mon, 18 Feb 2013 23:13:14 GMT (envelope-from kientzle@svn.freebsd.org) Received: (from kientzle@localhost) by svn.freebsd.org (8.14.5/8.14.5/Submit) id r1INDEne058046; Mon, 18 Feb 2013 23:13:14 GMT (envelope-from kientzle@svn.freebsd.org) Message-Id: <201302182313.r1INDEne058046@svn.freebsd.org> From: Tim Kientzle Date: Mon, 18 Feb 2013 23:13:14 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r246953 - head/sys/boot/common X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Feb 2013 23:13:14 -0000 Author: kientzle Date: Mon Feb 18 23:13:13 2013 New Revision: 246953 URL: http://svnweb.freebsd.org/changeset/base/246953 Log: Add mem_load_raw() for loading data from another location in memory. This will be used by some upcoming changes to loader(8) FDT handling to allow it to use an FDT provided by an earlier boot stage the same as an FDT loaded from disk. Modified: head/sys/boot/common/bootstrap.h head/sys/boot/common/module.c Modified: head/sys/boot/common/bootstrap.h ============================================================================== --- head/sys/boot/common/bootstrap.h Mon Feb 18 22:47:59 2013 (r246952) +++ head/sys/boot/common/bootstrap.h Mon Feb 18 23:13:13 2013 (r246953) @@ -237,6 +237,8 @@ void file_discard(struct preloaded_file void file_addmetadata(struct preloaded_file *fp, int type, size_t size, void *p); int file_addmodule(struct preloaded_file *fp, char *modname, int version, struct kernel_module **newmp); +/* Load from a buffer in memory. */ +struct preloaded_file *mem_load_raw(char *type, char *name, const void *p, size_t len); /* MI module loaders */ #ifdef __elfN Modified: head/sys/boot/common/module.c ============================================================================== --- head/sys/boot/common/module.c Mon Feb 18 22:47:59 2013 (r246952) +++ head/sys/boot/common/module.c Mon Feb 18 23:13:13 2013 (r246953) @@ -351,6 +351,7 @@ file_load_dependencies(struct preloaded_ } return (error); } + /* * We've been asked to load (name) as (type), so just suck it in, * no arguments or anything. @@ -421,6 +422,42 @@ file_loadraw(char *type, char *name) } /* + * Load a chunk of data as if it had been read from a file. + */ +struct preloaded_file * +mem_load_raw(char *type, char *name, const void *p, size_t len) +{ + struct preloaded_file *fp; + + /* We can't load first */ + if ((file_findfile(NULL, NULL)) == NULL) { + command_errmsg = "can't load file before kernel"; + return(NULL); + } + + if (archsw.arch_loadaddr != NULL) + loadaddr = archsw.arch_loadaddr(LOAD_RAW, name, loadaddr); + archsw.arch_copyin(p, loadaddr, len); + + /* Looks OK so far; create & populate control structure */ + fp = file_alloc(); + fp->f_name = strdup(name); + fp->f_type = strdup(type); + fp->f_args = NULL; + fp->f_metadata = NULL; + fp->f_loader = -1; + fp->f_addr = loadaddr; + fp->f_size = len; + + /* recognise space consumption */ + loadaddr += len; + + /* Add to the list of loaded files */ + file_insert_tail(fp); + return fp; +} + +/* * Load the module (name), pass it (argc),(argv), add container file * to the list of loaded files. * If module is already loaded just assign new argc/argv.