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/*
* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*/
#include <common.h>
#include <chromeos/common.h>
#include <vboot/boot_kernel.h>
#include <vboot/entry_points.h>
#include <vboot/global_data.h>
#include <vboot_api.h>
#define PREFIX "main: "
static void prepare_cparams(vb_global_t *global, VbCommonParams *cparams)
{
cparams->gbb_data = global->gbb_data;
cparams->gbb_size = global->gbb_size;
cparams->shared_data_blob = global->cdata_blob.vb_shared_data;
cparams->shared_data_size = VB_SHARED_DATA_REC_SIZE;
}
static void prepare_kparams(VbSelectAndLoadKernelParams *kparams)
{
kparams->kernel_buffer = (void *)CONFIG_CHROMEOS_KERNEL_LOADADDR;
kparams->kernel_buffer_size = CONFIG_CHROMEOS_KERNEL_BUFSIZE;
}
static VbError_t call_VbSelectAndLoadKernel(VbCommonParams* cparams,
VbSelectAndLoadKernelParams* kparams)
{
VbError_t ret;
VBDEBUG("VbCommonParams:\n");
VBDEBUG(" gbb_data : %p\n", cparams->gbb_data);
VBDEBUG(" gbb_size : %u\n", cparams->gbb_size);
VBDEBUG(" shared_data_blob : %p\n", cparams->shared_data_blob);
VBDEBUG(" shared_data_size : %u\n", cparams->shared_data_size);
VBDEBUG(" caller_context : %p\n", cparams->caller_context);
VBDEBUG("VbSelectAndLoadKernelParams:\n");
VBDEBUG(" kernel_buffer : %p\n", kparams->kernel_buffer);
VBDEBUG(" kernel_buffer_size : %u\n",
kparams->kernel_buffer_size);
VBDEBUG("Calling VbSelectAndLoadKernel()...\n");
ret = VbSelectAndLoadKernel(cparams, kparams);
VBDEBUG("Returned %#x\n", ret);
if (!ret) {
int i;
VBDEBUG("VbSelectAndLoadKernelParams:\n");
VBDEBUG(" disk_handle : %p\n",
kparams->disk_handle);
VBDEBUG(" partition_number : %u\n",
kparams->partition_number);
VBDEBUG(" bootloader_address : %#llx\n",
kparams->bootloader_address);
VBDEBUG(" bootloader_size : %u\n",
kparams->bootloader_size);
VBDEBUG(" partition_guid :");
for (i = 0; i < 16; i++)
VBDEBUG(" %02x", kparams->partition_guid[i]);
VBDEBUG("\n");
}
return ret;
}
void main_entry(void)
{
vb_global_t *global;
VbCommonParams cparams;
VbSelectAndLoadKernelParams kparams;
VbError_t ret;
/* Get VBoot Global Data which was initialized by bootstub. */
global = get_vboot_global();
if (!is_vboot_global_valid(global))
VbExError(PREFIX "VBoot Global Data is not initialized!\n");
prepare_cparams(global, &cparams);
prepare_kparams(&kparams);
ret = call_VbSelectAndLoadKernel(&cparams, &kparams);
if (ret)
VbExError(PREFIX "Failed to select and load kernel!\n");
/* Do boot partition substitution in kernel cmdline and boot */
ret = boot_kernel(&kparams, &global->cdata_blob);
VbExError(PREFIX "boot_kernel_helper returned, %u\n", ret);
}
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