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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2019 9elements Agency GmbH <patrick.rudolph@9elements.com>
*
* 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.
*/
#include <sbi/fw_dynamic.h>
#include <arch/boot.h>
/* DO NOT INLCUDE COREBOOT HEADERS HERE */
void run_opensbi(const int hart_id,
const void *fdt,
const void *opensbi,
const void *payload,
const int payload_mode)
{
struct fw_dynamic_info info = {
.magic = FW_DYNAMIC_INFO_MAGIC_VALUE,
.version = FW_DYNAMIC_INFO_VERSION_MAX,
.next_mode = payload_mode,
.next_addr = (uintptr_t)payload,
};
csr_write(mepc, opensbi);
asm volatile (
"mv a0, %0\n\t"
"mv a1, %1\n\t"
"mv a2, %2\n\t"
"mret" :
: "r"(hart_id), "r"(fdt), "r"(&info)
: "a0", "a1", "a2");
}
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