46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
/*----------------------------------------------------------------------------
|
|
* Tencent is pleased to support the open source community by making TencentOS
|
|
* available.
|
|
*
|
|
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
|
|
* If you have downloaded a copy of the TencentOS binary from Tencent, please
|
|
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
|
|
*
|
|
* If you have downloaded a copy of the TencentOS source code from Tencent,
|
|
* please note that TencentOS source code is licensed under the BSD 3-Clause
|
|
* License, except for the third-party components listed below which are
|
|
* subject to different license terms. Your integration of TencentOS into your
|
|
* own projects may require compliance with the BSD 3-Clause License, as well
|
|
* as the other licenses applicable to the third-party components included
|
|
* within TencentOS.
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#ifndef _RISCV_PORT_H_
|
|
#define _RISCV_PORT_H_
|
|
|
|
|
|
#define CLINT_CTRL_ADDR 0xD1000000
|
|
#define CLINT_MSIP 0x0FFC
|
|
#define CLINT_MTIMECMP 0x0008
|
|
#define CLINT_MTIME 0x0000
|
|
|
|
// the bumblebee mstatus register is different
|
|
// name bit detail
|
|
// INTERRUPT 31 0: exception or nmi, 1 irq
|
|
// MINHV 30 reading irq vector table
|
|
// MPP 29:28 == mstatus.MPP
|
|
// MPIE 27 == mstatus.MPIE
|
|
// Reserved 26:24 0
|
|
// MPIL 23:16 previous interrupt level
|
|
// Reserved 15:12 0
|
|
// EXCCODE 11:0 exception code
|
|
#define SOC_MCAUSE_EXP_MASK 0x00000FFF
|
|
|
|
#ifndef __ASSEMBLER__
|
|
void port_cpu_init();
|
|
|
|
void port_systick_priority_set(uint32_t priority);
|
|
#endif
|
|
|
|
#endif // _RISCV_PORT_H_
|