diff options
author | Aaron Durbin <adurbin@chromium.org> | 2015-04-21 15:33:01 -0500 |
---|---|---|
committer | Patrick Georgi <pgeorgi@google.com> | 2015-04-28 11:11:05 +0200 |
commit | 6d65f796db04927bfc8324f50ad0816cec9673b6 (patch) | |
tree | dc2dc13ed24ee56b069c97284eb59990bb03a270 /src/vendorcode/google/chromeos/vboot1/vboot_loader.c | |
parent | 599c32d8ef908f0b9723eb864f0a8695f6a76758 (diff) |
vboot: remove vboot1
In preparation for moving to vboot2 for all verified
boot paths bring over Kconfig options to the common
area from vboot1. Also remove vboot1 directory entirely.
Change-Id: Iccc4b570216f834886618f0ba5f2e1dd6c01db4b
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9957
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/vendorcode/google/chromeos/vboot1/vboot_loader.c')
-rw-r--r-- | src/vendorcode/google/chromeos/vboot1/vboot_loader.c | 412 |
1 files changed, 0 insertions, 412 deletions
diff --git a/src/vendorcode/google/chromeos/vboot1/vboot_loader.c b/src/vendorcode/google/chromeos/vboot1/vboot_loader.c deleted file mode 100644 index dd6c7de180..0000000000 --- a/src/vendorcode/google/chromeos/vboot1/vboot_loader.c +++ /dev/null @@ -1,412 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2013 Google, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <arch/stages.h> -#include <stdint.h> -#include <stddef.h> -#include <string.h> -#include <cbfs.h> -#include <cbmem.h> -#include <console/console.h> -#include <console/vtxprintf.h> -#include <program_loading.h> -#include <tpm.h> -#include <reset.h> -#include <romstage_handoff.h> -#include <rmodule.h> -#include <string.h> -#include <stdlib.h> -#include <timestamp.h> -#include "../chromeos.h" -#include "../vboot_context.h" -#include "../vboot_handoff.h" - -#define TEMP_CBMEM_ID_VBOOT 0xffffffff -#define TEMP_CBMEM_ID_VBLOCKS 0xfffffffe - -static void vboot_run_stub(struct vboot_context *context) -{ - struct rmod_stage_load rmod_stage = { - .cbmem_id = TEMP_CBMEM_ID_VBOOT, - .name = CONFIG_CBFS_PREFIX "/vboot", - }; - void (*entry)(struct vboot_context *context); - - if (rmodule_stage_load_from_cbfs(&rmod_stage)) { - printk(BIOS_DEBUG, "Could not load vboot stub.\n"); - goto out; - } - - entry = rmod_stage.entry; - - /* Call stub. */ - entry(context); - -out: - /* Tear down the region no longer needed. */ - if (rmod_stage.cbmem_entry != NULL) - cbmem_entry_remove(rmod_stage.cbmem_entry); -} - -/* Helper routines for the vboot stub. */ -static void log_msg(const char *fmt, va_list args) -{ - do_vtxprintf(fmt, args); -} - -static void fatal_error(void) -{ - printk(BIOS_ERR, "vboot encountered fatal error. Resetting.\n"); - vboot_reboot(); -} - -static int fw_region_size(struct vboot_region *r) -{ - struct vboot_components *fw_info; - int32_t size; - int i; - - fw_info = vboot_locate_components(r); - if (fw_info == NULL) - return -1; - - if (fw_info->num_components > MAX_PARSED_FW_COMPONENTS) - return -1; - - size = sizeof(*fw_info); - size += sizeof(struct vboot_component_entry) * fw_info->num_components; - - for (i = 0; i < fw_info->num_components; i++) - size += ALIGN(fw_info->entries[i].size, sizeof(uint32_t)); - - /* Check that size of comopnents does not exceed the region's size. */ - if (size > r->size) - return -1; - - /* Update region with the correct size. */ - r->size = size; - - return 0; -} - -static int vboot_fill_params(struct vboot_context *ctx) -{ - VbCommonParams *cparams; - VbSelectFirmwareParams *fparams; - - if (fw_region_size(&ctx->fw_a)) - return -1; - - if (fw_region_size(&ctx->fw_b)) - return -1; - - cparams = ctx->cparams; - fparams = ctx->fparams; - - cparams->gbb_size = ctx->gbb.size; - fparams->verification_size_A = ctx->vblock_a.size; - fparams->verification_size_B = ctx->vblock_b.size; - - if (IS_ENABLED(CONFIG_SPI_FLASH_MEMORY_MAPPED)) { - /* Get memory-mapped pointers to the regions. */ - cparams->gbb_data = vboot_get_region(ctx->gbb.offset_addr, - ctx->gbb.size, NULL); - fparams->verification_block_A = - vboot_get_region(ctx->vblock_a.offset_addr, - ctx->vblock_a.size, NULL); - fparams->verification_block_B = - vboot_get_region(ctx->vblock_b.offset_addr, - ctx->vblock_b.size, NULL); - } else { - /* - * Copy the vblock info into a buffer in cbmem. The gbb will - * be read using VbExRegionRead(). - */ - char *dest; - size_t vblck_sz; - - vblck_sz = ctx->vblock_a.size + ctx->vblock_b.size; - ctx->vblocks = cbmem_entry_add(TEMP_CBMEM_ID_VBLOCKS, vblck_sz); - if (ctx->vblocks == NULL) - return -1; - dest = cbmem_entry_start(ctx->vblocks); - if (vboot_get_region(ctx->vblock_a.offset_addr, - ctx->vblock_a.size, dest) == NULL) - return -1; - fparams->verification_block_A = (void *)dest; - dest += ctx->vblock_a.size; - if (vboot_get_region(ctx->vblock_b.offset_addr, - ctx->vblock_b.size, dest) == NULL) - return -1; - fparams->verification_block_B = (void *)dest; - } - - return 0; -} - -static void fill_handoff(struct vboot_context *context) -{ - struct vboot_components *fw_info; - struct vboot_region *region; - int i; - - /* Fix up the handoff structure. */ - context->handoff->selected_firmware = - context->fparams->selected_firmware; - - /* Parse out the components for downstream consumption. */ - if (context->handoff->selected_firmware == VB_SELECT_FIRMWARE_A) - region = &context->fw_a; - else if (context->handoff->selected_firmware == VB_SELECT_FIRMWARE_B) - region = &context->fw_b; - else - return; - - fw_info = vboot_locate_components(region); - if (fw_info == NULL) - return; - - for (i = 0; i < fw_info->num_components; i++) { - context->handoff->components[i].address = - region->offset_addr + fw_info->entries[i].offset; - context->handoff->components[i].size = fw_info->entries[i].size; - } -} - -static void vboot_clean_up(struct vboot_context *context) -{ - if (context->vblocks != NULL) - cbmem_entry_remove(context->vblocks); -} - -static void vboot_invoke_wrapper(struct vboot_handoff *vboot_handoff) -{ - VbCommonParams cparams; - VbSelectFirmwareParams fparams; - struct vboot_context context; - uint32_t *iflags; - - vboot_handoff->selected_firmware = VB_SELECT_FIRMWARE_READONLY; - - memset(&cparams, 0, sizeof(cparams)); - memset(&fparams, 0, sizeof(fparams)); - memset(&context, 0, sizeof(context)); - - iflags = &vboot_handoff->init_params.flags; - if (get_developer_mode_switch()) - *iflags |= VB_INIT_FLAG_DEV_SWITCH_ON; - if (get_recovery_mode_switch()) { - clear_recovery_mode_switch(); - *iflags |= VB_INIT_FLAG_REC_BUTTON_PRESSED; - } - if (get_write_protect_state()) - *iflags |= VB_INIT_FLAG_WP_ENABLED; - if (vboot_get_sw_write_protect()) - *iflags |= VB_INIT_FLAG_SW_WP_ENABLED; - if (CONFIG_VIRTUAL_DEV_SWITCH) - *iflags |= VB_INIT_FLAG_VIRTUAL_DEV_SWITCH; - if (CONFIG_EC_SOFTWARE_SYNC) - *iflags |= VB_INIT_FLAG_EC_SOFTWARE_SYNC; - if (!CONFIG_PHYSICAL_REC_SWITCH) - *iflags |= VB_INIT_FLAG_VIRTUAL_REC_SWITCH; - if (CONFIG_VBOOT_EC_SLOW_UPDATE) - *iflags |= VB_INIT_FLAG_EC_SLOW_UPDATE; - if (CONFIG_VBOOT_OPROM_MATTERS) { - *iflags |= VB_INIT_FLAG_OPROM_MATTERS; - *iflags |= VB_INIT_FLAG_BEFORE_OPROM_LOAD; - /* Will load VGA option rom during this boot */ - if (developer_mode_enabled() || recovery_mode_enabled() || - vboot_wants_oprom()) { - *iflags |= VB_INIT_FLAG_OPROM_LOADED; - } - } - - context.handoff = vboot_handoff; - context.cparams = &cparams; - context.fparams = &fparams; - - cparams.shared_data_blob = &vboot_handoff->shared_data[0]; - cparams.shared_data_size = VB_SHARED_DATA_MIN_SIZE; - cparams.caller_context = &context; - - vboot_locate_region("GBB", &context.gbb); - vboot_locate_region("VBLOCK_A", &context.vblock_a); - vboot_locate_region("VBLOCK_B", &context.vblock_b); - vboot_locate_region("FW_MAIN_A", &context.fw_a); - vboot_locate_region("FW_MAIN_B", &context.fw_b); - - /* Check all fmap entries. */ - if (context.fw_a.size < 0 || context.fw_b.size < 0 || - context.vblock_a.size < 0 || context.vblock_b.size < 0 || - context.gbb.size < 0) { - printk(BIOS_DEBUG, "Not all fmap entries found for vboot.\n"); - return; - } - - /* Fill in vboot parameters. */ - if (vboot_fill_params(&context)) { - vboot_clean_up(&context); - return; - } - - /* Initialize callbacks. */ - context.read_vbnv = &read_vbnv; - context.save_vbnv = &save_vbnv; - context.tis_init = &tis_init; - context.tis_open = &tis_open; - context.tis_close = &tis_close; - context.tis_sendrecv = &tis_sendrecv; - context.log_msg = &log_msg; - context.fatal_error = &fatal_error; - context.get_region = &vboot_get_region; - context.reset = &vboot_reboot; - - vboot_run_stub(&context); - - fill_handoff(&context); - - vboot_clean_up(&context); -} - -#if CONFIG_RELOCATABLE_RAMSTAGE -static void *vboot_load_ramstage(uint32_t cbmem_id, const char *name, - const struct cbmem_entry **cbmem_entry) -{ - struct vboot_handoff *vboot_handoff; - struct cbfs_stage *stage; - const struct firmware_component *fwc; - struct rmod_stage_load rmod_load = { - .cbmem_id = cbmem_id, - .name = name, - }; - - timestamp_add_now(TS_START_VBOOT); - - vboot_handoff = cbmem_add(CBMEM_ID_VBOOT_HANDOFF, - sizeof(*vboot_handoff)); - - if (vboot_handoff == NULL) { - printk(BIOS_DEBUG, "Could not add vboot_handoff structure.\n"); - return NULL; - } - - memset(vboot_handoff, 0, sizeof(*vboot_handoff)); - - vboot_invoke_wrapper(vboot_handoff); - - timestamp_add_now(TS_END_VBOOT); - - /* Take RO firmware path since no RW area was selected. */ - if (vboot_handoff->selected_firmware != VB_SELECT_FIRMWARE_A && - vboot_handoff->selected_firmware != VB_SELECT_FIRMWARE_B) { - printk(BIOS_DEBUG, "No RW firmware selected: 0x%08x\n", - vboot_handoff->selected_firmware); - return NULL; - } - - if (CONFIG_VBOOT_RAMSTAGE_INDEX >= MAX_PARSED_FW_COMPONENTS) { - printk(BIOS_ERR, "Invalid ramstage index: %d\n", - CONFIG_VBOOT_RAMSTAGE_INDEX); - return NULL; - } - - /* Check for invalid address. */ - fwc = &vboot_handoff->components[CONFIG_VBOOT_RAMSTAGE_INDEX]; - if (fwc->address == 0) { - printk(BIOS_DEBUG, "RW ramstage image address invalid.\n"); - return NULL; - } - - printk(BIOS_DEBUG, "RW ramstage image at 0x%08x, 0x%08x bytes.\n", - fwc->address, fwc->size); - - stage = (void *)fwc->address; - - if (rmodule_stage_load(&rmod_load, stage)) { - vboot_handoff->selected_firmware = VB_SELECT_FIRMWARE_READONLY; - printk(BIOS_DEBUG, "Could not load ramstage region.\n"); - return NULL; - } - - *cbmem_entry = rmod_load.cbmem_entry; - - return rmod_load.entry; -} -#else /* CONFIG_RELOCATABLE_RAMSTAGE */ -static void vboot_load_ramstage(struct vboot_handoff *vboot_handoff, - struct romstage_handoff *handoff) -{ - struct cbfs_stage *stage; - const struct firmware_component *fwc; - - if (CONFIG_VBOOT_RAMSTAGE_INDEX >= MAX_PARSED_FW_COMPONENTS) { - printk(BIOS_ERR, "Invalid ramstage index: %d\n", - CONFIG_VBOOT_RAMSTAGE_INDEX); - return; - } - - /* Check for invalid address. */ - fwc = &vboot_handoff->components[CONFIG_VBOOT_RAMSTAGE_INDEX]; - if (fwc->address == 0) { - printk(BIOS_DEBUG, "RW ramstage image address invalid.\n"); - return; - } - - printk(BIOS_DEBUG, "RW ramstage image at 0x%08x, 0x%08x bytes.\n", - fwc->address, fwc->size); - - /* This will leak a mapping. */ - stage = vboot_get_region(fwc->address, fwc->size, NULL); - - if (stage == NULL) { - printk(BIOS_DEBUG, "Unable to get RW ramstage region.\n"); - return; - } - - timestamp_add_now(TS_START_COPYRAM); - - /* Stages rely the below clearing so that the bss is initialized. */ - memset((void *) (uintptr_t) stage->load, 0, stage->memlen); - - if (cbfs_decompress(stage->compression, - ((unsigned char *) stage) + - sizeof(struct cbfs_stage), - (void *) (uintptr_t) stage->load, - stage->len)) - return; - - timestamp_add_now(TS_END_COPYRAM); - -#if CONFIG_ARCH_X86 - __asm__ volatile ( - "movl $0, %%ebp\n" - "jmp *%%edi\n" - :: "D"(stage->entry) - ); -#elif CONFIG_ARCH_ARM - stage_exit((void *)(uintptr_t)stage->entry); -#endif -} -#endif /* CONFIG_RELOCATABLE_RAMSTAGE */ - - -const struct ramstage_loader_ops vboot_ramstage_loader = { - .name = "VBOOT", - .load = vboot_load_ramstage, -}; |