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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 The ChromiumOS Authors
*
* 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.
*/
#ifndef _SPIKE_UTIL_H
#define _SPIKE_UTIL_H
#include <stdint.h>
//#include <string.h>
//#include <errno.h>
#include <arch/encoding.h>
#include <atomic.h>
#define LOG_REGBYTES 3
#define REGBYTES (1 << LOG_REGBYTES)
#define STORE sd
#define HLS_SIZE 64
#define MENTRY_FRAME_SIZE HLS_SIZE
#define TOHOST_CMD(dev, cmd, payload) \
(((uint64_t)(dev) << 56) | ((uint64_t)(cmd) << 48) | (uint64_t)(payload))
#define FROMHOST_DEV(fromhost_value) ((uint64_t)(fromhost_value) >> 56)
#define FROMHOST_CMD(fromhost_value) ((uint64_t)(fromhost_value) << 8 >> 56)
#define FROMHOST_DATA(fromhost_value) ((uint64_t)(fromhost_value) << 16 >> 16)
typedef struct {
unsigned long dev;
unsigned long cmd;
unsigned long data;
unsigned long sbi_private_data;
} sbi_device_message;
typedef struct {
sbi_device_message* device_request_queue_head;
unsigned long device_request_queue_size;
sbi_device_message* device_response_queue_head;
sbi_device_message* device_response_queue_tail;
int hart_id;
int ipi_pending;
} hls_t;
#define MACHINE_STACK_TOP() ({ \
register uintptr_t sp asm ("sp"); \
(void*)((sp + RISCV_PGSIZE) & -RISCV_PGSIZE); })
// hart-local storage, at top of stack
#define HLS() ((hls_t*)(MACHINE_STACK_TOP() - HLS_SIZE))
#define MACHINE_STACK_SIZE RISCV_PGSIZE
uintptr_t htif_interrupt(uintptr_t mcause, uintptr_t* regs);
uintptr_t mcall_console_putchar(uint8_t ch);
void testPrint(void);
#endif
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