| /* |
| * Copyright 2012, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <inttypes.h> |
| #include <errno.h> |
| |
| #include "mosys/log.h" |
| #include "mosys/platform.h" |
| |
| static int nvram_clear_cmd(struct platform_intf *intf, |
| struct platform_cmd *cmd, int argc, char **argv) |
| { |
| if (!intf->cb->nvram || !intf->cb->nvram->clear) { |
| errno = ENOSYS; |
| return -1; |
| } |
| |
| return intf->cb->nvram->clear(intf); |
| } |
| |
| static int nvram_list_cmd(struct platform_intf *intf, |
| struct platform_cmd *cmd, int argc, char **argv) |
| { |
| if (!intf->cb->nvram || !intf->cb->nvram->list) { |
| errno = ENOSYS; |
| return -1; |
| } |
| |
| return intf->cb->nvram->list(intf); |
| } |
| |
| static int nvram_dump_cmd(struct platform_intf *intf, |
| struct platform_cmd *cmd, int argc, char **argv) |
| { |
| if (!intf->cb->nvram || !intf->cb->nvram->dump) { |
| errno = ENOSYS; |
| return -1; |
| } |
| |
| return intf->cb->nvram->dump(intf); |
| } |
| |
| static int nvram_vboot_read(struct platform_intf *intf, |
| struct platform_cmd *cmd, int argc, char **argv) |
| { |
| if (!intf->cb->nvram || !intf->cb->nvram->vboot_read) { |
| errno = ENOSYS; |
| return -1; |
| } |
| |
| return intf->cb->nvram->vboot_read(intf); |
| } |
| |
| static int nvram_vboot_write(struct platform_intf *intf, |
| struct platform_cmd *cmd, int argc, char **argv) |
| { |
| if (!intf->cb->nvram || !intf->cb->nvram->vboot_write) { |
| errno = ENOSYS; |
| return -1; |
| } |
| |
| if (argc != 1) { |
| platform_cmd_usage(cmd); |
| errno = EINVAL; |
| return -1; |
| } |
| |
| return intf->cb->nvram->vboot_write(intf, argv[0]); |
| } |
| |
| struct platform_cmd nvram_vboot_cmds[] = { |
| { |
| .name = "read", |
| .desc = "Read VbNvContext from NVRAM", |
| .type = ARG_TYPE_GETTER, |
| .arg = { .func = nvram_vboot_read } |
| }, |
| { |
| .name = "write", |
| .desc = "Write VbNvContext from NVRAM", |
| .type = ARG_TYPE_SETTER, |
| .arg = { .func = nvram_vboot_write } |
| }, |
| { NULL } |
| }; |
| |
| struct platform_cmd nvram_cmds[] = { |
| { |
| .name = "clear", |
| .desc = "Clear Configuration", |
| .type = ARG_TYPE_SETTER, |
| .arg = { .func = nvram_clear_cmd } |
| }, |
| { |
| .name = "dump", |
| .desc = "Dump NVRAM", |
| .type = ARG_TYPE_GETTER, |
| .arg = { .func = nvram_dump_cmd } |
| }, |
| { |
| .name = "list", |
| .desc = "List NVRAM Variables", |
| .type = ARG_TYPE_SETTER, |
| .arg = { .func = nvram_list_cmd } |
| }, |
| { |
| .name = "vboot", |
| .desc = "Access VbNvContext on NVRAM", |
| .type = ARG_TYPE_SUB, |
| .arg = { .sub = nvram_vboot_cmds } |
| }, |
| { NULL } |
| }; |
| |
| struct platform_cmd cmd_nvram = { |
| .name = "nvram", |
| .desc = "NVRAM information", |
| .type = ARG_TYPE_SUB, |
| .arg = { .sub = nvram_cmds } |
| }; |