From patchwork Wed Aug 7 03:45:06 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roy Franz X-Patchwork-Id: 2839757 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4D8B4BF535 for ; Wed, 7 Aug 2013 03:50:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4CDE0201CE for ; Wed, 7 Aug 2013 03:50:30 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2995A201C7 for ; Wed, 7 Aug 2013 03:50:28 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V6ukD-0004U9-BC; Wed, 07 Aug 2013 03:49:07 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1V6uj3-0001V7-RD; Wed, 07 Aug 2013 03:47:54 +0000 Received: from mail-ye0-f181.google.com ([209.85.213.181]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V6uhA-0001Du-Vs for linux-arm-kernel@lists.infradead.org; Wed, 07 Aug 2013 03:46:09 +0000 Received: by mail-ye0-f181.google.com with SMTP id q2so400429yen.40 for ; Tue, 06 Aug 2013 20:45:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=lSr63hIPIx60FYUWd9SID2RCY3NXy2eoW4zuo9qmpYY=; b=Qpph0pMfvY20TJ9UmvMPwl3Qhv0QZOCDqbogqiJBs3pm4sdpXNnNdmHznBPQpZutvq jN8KeOjErqqNeGGhPZpjg1UjBIRS7lshsW9wONtCa3P0fE9HgPb+/xuo63sog9AltbO8 vy7uYc1gdfJzqG7L8LWAZLOBxlWzxU+W8DAnA6orIRvdpYPUiv3Wn5GcTeo0kkfwFX+x Z3Vyys/17AGChsT+UbuvbfWjJ832DJ2bNcO+aUC8czWnyqJkM1QnxY1iITqYOVSPM2Xl ESFhy5rn9OwuHJiclv0YIa8ELcmhI46zpc+H4w3HehKQye3bjBlQ9rhrGm0IHbFqwFN+ JE4g== X-Gm-Message-State: ALoCoQny7nOappKcwU8owC7MTXgtiNm+Ayy9RNm/DvxQ2SKqNLhBQC+CFir3C5inpqTAAd+EbzEs X-Received: by 10.236.15.194 with SMTP id f42mr728999yhf.104.1375847134576; Tue, 06 Aug 2013 20:45:34 -0700 (PDT) Received: from rfranz-v430.caveonetworks.com (64.2.3.195.ptr.us.xo.net. [64.2.3.195]) by mx.google.com with ESMTPSA id s65sm6814380yhs.14.2013.08.06.20.45.33 for (version=TLSv1.2 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 06 Aug 2013 20:45:34 -0700 (PDT) From: Roy Franz To: linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, matt.fleming@intel.com, linux@arm.linux.org.uk Subject: [PATCH 10/17] Renames in handle_cmdline_files() to complete generalization. Date: Tue, 6 Aug 2013 20:45:06 -0700 Message-Id: <1375847113-24884-11-git-send-email-roy.franz@linaro.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1375847113-24884-1-git-send-email-roy.franz@linaro.org> References: <1375847113-24884-1-git-send-email-roy.franz@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130806_234557_177452_A7B12D6C X-CRM114-Status: GOOD ( 15.30 ) X-Spam-Score: -2.6 (--) Cc: Roy Franz , dave.martin@arm.com, leif.lindholm@linaro.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Rename variables to be not initrd specific, as now the function loads arbitrary files. Signed-off-by: Roy Franz --- drivers/firmware/efi/efi-stub-helper.c | 92 ++++++++++++++++---------------- 1 file changed, 46 insertions(+), 46 deletions(-) diff --git a/drivers/firmware/efi/efi-stub-helper.c b/drivers/firmware/efi/efi-stub-helper.c index 854aada..0a41638 100644 --- a/drivers/firmware/efi/efi-stub-helper.c +++ b/drivers/firmware/efi/efi-stub-helper.c @@ -11,7 +11,7 @@ */ -struct initrd { +struct file_info { efi_file_handle_t *handle; u64 size; }; @@ -262,10 +262,10 @@ static void efi_free(efi_system_table_t *sys_table_arg, unsigned long size, /* - * Check the cmdline for a LILO-style initrd= arguments. + * Check the cmdline for a LILO-style file= arguments. * - * We only support loading an initrd from the same filesystem as the - * kernel image. + * We only support loading a file from the same filesystem as + * the kernel image. */ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg, efi_loaded_image_t *image, @@ -273,19 +273,19 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg, u64 max_addr, u64 *load_addr, u64 *load_size) { - struct initrd *initrds; - unsigned long initrd_addr; + struct file_info *files; + unsigned long file_addr; efi_guid_t fs_proto = EFI_FILE_SYSTEM_GUID; - u64 initrd_total; + u64 file_size_total; efi_file_io_interface_t *io; efi_file_handle_t *fh; efi_status_t status; - int nr_initrds; + int nr_files; char *str; int i, j, k; - initrd_addr = 0; - initrd_total = 0; + file_addr = 0; + file_size_total = 0; str = cmd_line; @@ -300,7 +300,7 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg, if (!str || !*str) return EFI_SUCCESS; - for (nr_initrds = 0; *str; nr_initrds++) { + for (nr_files = 0; *str; nr_files++) { str = strstr(str, option_string); if (!str) break; @@ -315,21 +315,21 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg, str++; } - if (!nr_initrds) + if (!nr_files) return EFI_SUCCESS; status = efi_call_phys3(sys_table_arg->boottime->allocate_pool, EFI_LOADER_DATA, - nr_initrds * sizeof(*initrds), - &initrds); + nr_files * sizeof(*files), + &files); if (status != EFI_SUCCESS) { - efi_printk(sys_table_arg, "Failed to alloc mem for file load\n"); + efi_printk(sys_table_arg, "Failed to alloc mem for file handle list\n"); goto fail; } str = cmd_line; - for (i = 0; i < nr_initrds; i++) { - struct initrd *initrd; + for (i = 0; i < nr_files; i++) { + struct file_info *file; efi_file_handle_t *h; efi_file_info_t *info; efi_char16_t filename_16[256]; @@ -344,7 +344,7 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg, str += strlen(option_string); - initrd = &initrds[i]; + file = &files[i]; p = filename_16; /* Skip any leading slashes */ @@ -375,13 +375,13 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg, image->device_handle, &fs_proto, &io); if (status != EFI_SUCCESS) { efi_printk(sys_table_arg, "Failed to handle fs_proto\n"); - goto free_initrds; + goto free_files; } status = efi_call_phys2(io->open_volume, io, &fh); if (status != EFI_SUCCESS) { efi_printk(sys_table_arg, "Failed to open volume\n"); - goto free_initrds; + goto free_files; } } @@ -394,7 +394,7 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg, goto close_handles; } - initrd->handle = h; + file->handle = h; info_sz = 0; status = efi_call_phys4(h->get_info, h, &info_guid, @@ -428,37 +428,37 @@ grow: goto close_handles; } - initrd->size = file_sz; - initrd_total += file_sz; + file->size = file_sz; + file_size_total += file_sz; } - if (initrd_total) { + if (file_size_total) { unsigned long addr; /* - * Multiple initrd's need to be at consecutive - * addresses in memory, so allocate enough memory for - * all the initrd's. + * Multiple files need to be at consecutive addresses in memory, + * so allocate enough memory for all the files. This is used + * for loading multiple files. */ - status = efi_high_alloc(sys_table_arg, initrd_total, 0x1000, - &initrd_addr, max_addr); + status = efi_high_alloc(sys_table_arg, file_size_total, 0x1000, + &file_addr, max_addr); if (status != EFI_SUCCESS) { - efi_printk(sys_table_arg, "Failed to alloc highmem for initrds\n"); + efi_printk(sys_table_arg, "Failed to alloc highmem for files\n"); goto close_handles; } /* We've run out of free low memory. */ - if (initrd_addr > max_addr) { + if (file_addr > max_addr) { efi_printk(sys_table_arg, "We've run out of free low memory\n"); status = EFI_INVALID_PARAMETER; - goto free_initrd_total; + goto free_file_total; } - addr = initrd_addr; - for (j = 0; j < nr_initrds; j++) { + addr = file_addr; + for (j = 0; j < nr_files; j++) { u64 size; - size = initrds[j].size; + size = files[j].size; while (size) { u64 chunksize; if (size > EFI_READ_CHUNK_SIZE) @@ -466,36 +466,36 @@ grow: else chunksize = size; status = efi_call_phys3(fh->read, - initrds[j].handle, + files[j].handle, &chunksize, addr); if (status != EFI_SUCCESS) { efi_printk(sys_table_arg, "Failed to read file\n"); - goto free_initrd_total; + goto free_file_total; } addr += chunksize; size -= chunksize; } - efi_call_phys1(fh->close, initrds[j].handle); + efi_call_phys1(fh->close, files[j].handle); } } - efi_call_phys1(sys_table_arg->boottime->free_pool, initrds); + efi_call_phys1(sys_table_arg->boottime->free_pool, files); - *load_addr = initrd_addr; - *load_size = initrd_total; + *load_addr = file_addr; + *load_size = file_size_total; return status; -free_initrd_total: - efi_free(sys_table_arg, initrd_total, initrd_addr); +free_file_total: + efi_free(sys_table_arg, file_size_total, file_addr); close_handles: for (k = j; k < i; k++) - efi_call_phys1(fh->close, initrds[k].handle); -free_initrds: - efi_call_phys1(sys_table_arg->boottime->free_pool, initrds); + efi_call_phys1(fh->close, files[k].handle); +free_files: + efi_call_phys1(sys_table_arg->boottime->free_pool, files); fail: *load_addr = 0; *load_size = 0;