riscv-virt.h

/*
 * FreeRTOS V202212.01
 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * https://www.FreeRTOS.org
 * https://www.github.com/FreeRTOS
 *
 */

#ifndef RISCV_VIRT_H_
#define RISCV_VIRT_H_

#include "riscv-reg.h"

#ifdef __ASSEMBLER__
#define CONS(NUM, TYPE)NUM
#else
#define CONS(NUM, TYPE)NUM##TYPE
#endif /* __ASSEMBLER__ */

#define PRIM_HART			0

#define CLINT_ADDR			CONS(0x02000000, UL)
#define CLINT_BASE              0x02000000

#define CLINT_SIZE              0x000c0000

#define CLINT_MSIP			CONS(0x0000, UL)
#define CLINT_MTIMECMP		CONS(0x4000, UL)
#define CLINT_MTIME			CONS(0xbff8, UL)
#define MTIMECMP_BASE_ADDRESS   0x4000UL
#define MTIME_BASE_ADDRESS      0xBFF8UL

#define SYS_CLK_FREQ            50000000UL  // 50MHz

#define DEFAULT_RSTVEC          0x00001000
#define EXT_IO_BASE             0x40000000
#define DRAM_BASE               0x80000000



#ifndef __ASSEMBLER__

int xGetCoreID( void );
void vSendString( const char * s );

#endif /* __ASSEMBLER__ */

#endif /* RISCV_VIRT_H_ */