HelenOS sources

root/kernel/arch/riscv64/include/arch/boot/boot.h

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/*
 * Copyright (c) 2016 Martin Decky
 * 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

/** @addtogroup kernel_riscv64
 * @{
 */
/** @file
 */

#ifndef KERN_riscv64_BOOT_H_
#define KERN_riscv64_BOOT_H_

#define BOOT_OFFSET  0x48000000

#define TASKMAP_MAX_RECORDS        32
#define MEMMAP_MAX_RECORDS         32
#define BOOTINFO_TASK_NAME_BUFLEN  32

/* Temporary stack size for boot process */
#define TEMP_STACK_SIZE  0x1000

#ifndef __ASSEMBLER__

#include <stddef.h>
#include <stdint.h>
#include <config.h>

typedef struct {
        volatile uint64_t *tohost;
        volatile uint64_t *fromhost;
} ucbinfo_t;

typedef struct {
        void *start;
        size_t size;
} memzone_t;

typedef struct {
        uint64_t total;
        size_t cnt;
        memzone_t zones[MEMMAP_MAX_RECORDS];
} memmap_t;

typedef struct {
        void *addr;
        size_t size;
        char name[BOOTINFO_TASK_NAME_BUFLEN];
} utask_t;

typedef struct {
        size_t cnt;
        utask_t tasks[TASKMAP_MAX_RECORDS];
} taskmap_t;

typedef struct {
        ucbinfo_t ucbinfo;
        uintptr_t physmem_start;
        uintptr_t htif_frame;
        uintptr_t pt_frame;
        memmap_t memmap;
        taskmap_t taskmap;
} bootinfo_t;

#endif

#endif

/** @}
 */

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