NEORV32 Software Framework Documentation
The NEORV32 RISC-V Processor
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neorv32_sysinfo.h
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1// ================================================================================ //
2// The NEORV32 RISC-V Processor - https://github.com/stnolting/neorv32 //
3// Copyright (c) NEORV32 contributors. //
4// Copyright (c) 2020 - 2025 Stephan Nolting. All rights reserved. //
5// Licensed under the BSD-3-Clause license, see LICENSE for details. //
6// SPDX-License-Identifier: BSD-3-Clause //
7// ================================================================================ //
8
13
14#ifndef NEORV32_SYSINFO_H
15#define NEORV32_SYSINFO_H
16
17#include <stdint.h>
18
19/**********************************************************************/
24typedef volatile struct __attribute__((packed,aligned(4))) {
25 uint32_t CLK;
26 const uint8_t MISC[4];
27 const uint32_t SOC;
28 const uint32_t CACHE;
30
32#define NEORV32_SYSINFO ((neorv32_sysinfo_t*) (NEORV32_SYSINFO_BASE))
33
41
51//SYSINFO_SOC_reserved = 7, /**< SYSINFO_SOC (7) (r/-): reserved */
52//SYSINFO_SOC_reserved = 8, /**< SYSINFO_SOC (8) (r/-): reserved */
53//SYSINFO_SOC_reserved = 9, /**< SYSINFO_SOC (9) (r/-): reserved */
54//SYSINFO_SOC_reserved = 10, /**< SYSINFO_SOC (10) (r/-): reserved */
75//SYSINFO_SOC_reserved = 31 /**< SYSINFO_SOC (31) (r/-): reserved */
76};
77
93
94
95/**********************************************************************/
99inline uint32_t __attribute__ ((always_inline)) neorv32_sysinfo_get_numcores(void) {
100 return (uint32_t)(NEORV32_SYSINFO->MISC[SYSINFO_MISC_HART]);
101}
102
103/**********************************************************************/
107inline uint32_t __attribute__ ((always_inline)) neorv32_sysinfo_get_imemsize(void) {
108 return (uint32_t)(1 << NEORV32_SYSINFO->MISC[SYSINFO_MISC_IMEM]);
109}
110
111/**********************************************************************/
115inline uint32_t __attribute__ ((always_inline)) neorv32_sysinfo_get_dmemsize(void) {
116 return (uint32_t)(1 << NEORV32_SYSINFO->MISC[SYSINFO_MISC_DMEM]);
117}
118
119/**********************************************************************/
123inline uint32_t __attribute__ ((always_inline)) neorv32_sysinfo_get_bootmode(void) {
124 return (uint32_t)(NEORV32_SYSINFO->MISC[SYSINFO_MISC_BOOT]);
125}
126
127/**********************************************************************/
131inline uint32_t __attribute__ ((always_inline)) neorv32_sysinfo_get_clk(void) {
132 return NEORV32_SYSINFO->CLK;
133}
134
135/**********************************************************************/
139inline void __attribute__ ((always_inline)) neorv32_sysinfo_set_clk(uint32_t clock) {
140 NEORV32_SYSINFO->CLK = clock;
141}
142
143#endif // NEORV32_SYSINFO_H
uint32_t neorv32_sysinfo_get_clk(void)
Definition neorv32_sysinfo.h:131
uint32_t neorv32_sysinfo_get_dmemsize(void)
Definition neorv32_sysinfo.h:115
#define NEORV32_SYSINFO
Definition neorv32_sysinfo.h:32
uint32_t neorv32_sysinfo_get_bootmode(void)
Definition neorv32_sysinfo.h:123
NEORV32_SYSINFO_CACHE_enum
Definition neorv32_sysinfo.h:79
@ SYSINFO_CACHE_INST_NUM_BLOCKS_3
Definition neorv32_sysinfo.h:83
@ SYSINFO_CACHE_INST_BURSTS_EN
Definition neorv32_sysinfo.h:90
@ SYSINFO_CACHE_INST_BLOCK_SIZE_0
Definition neorv32_sysinfo.h:80
@ SYSINFO_CACHE_DATA_NUM_BLOCKS_3
Definition neorv32_sysinfo.h:88
@ SYSINFO_CACHE_DATA_BLOCK_SIZE_0
Definition neorv32_sysinfo.h:85
@ SYSINFO_CACHE_DATA_BURSTS_EN
Definition neorv32_sysinfo.h:91
@ SYSINFO_CACHE_DATA_BLOCK_SIZE_3
Definition neorv32_sysinfo.h:86
@ SYSINFO_CACHE_DATA_NUM_BLOCKS_0
Definition neorv32_sysinfo.h:87
@ SYSINFO_CACHE_INST_NUM_BLOCKS_0
Definition neorv32_sysinfo.h:82
@ SYSINFO_CACHE_INST_BLOCK_SIZE_3
Definition neorv32_sysinfo.h:81
uint32_t neorv32_sysinfo_get_imemsize(void)
Definition neorv32_sysinfo.h:107
void neorv32_sysinfo_set_clk(uint32_t clock)
Definition neorv32_sysinfo.h:139
NEORV32_SYSINFO_MISC_enum
Definition neorv32_sysinfo.h:35
@ SYSINFO_MISC_HART
Definition neorv32_sysinfo.h:38
@ SYSINFO_MISC_BOOT
Definition neorv32_sysinfo.h:39
@ SYSINFO_MISC_IMEM
Definition neorv32_sysinfo.h:36
@ SYSINFO_MISC_DMEM
Definition neorv32_sysinfo.h:37
NEORV32_SYSINFO_SOC_enum
Definition neorv32_sysinfo.h:43
@ SYSINFO_SOC_ICACHE
Definition neorv32_sysinfo.h:49
@ SYSINFO_SOC_OCD_AUTH
Definition neorv32_sysinfo.h:55
@ SYSINFO_SOC_IO_NEOLED
Definition neorv32_sysinfo.h:70
@ SYSINFO_SOC_IO_TWI
Definition neorv32_sysinfo.h:63
@ SYSINFO_SOC_IO_UART0
Definition neorv32_sysinfo.h:61
@ SYSINFO_SOC_IO_DMA
Definition neorv32_sysinfo.h:58
@ SYSINFO_SOC_IO_SLINK
Definition neorv32_sysinfo.h:73
@ SYSINFO_SOC_IO_TWD
Definition neorv32_sysinfo.h:57
@ SYSINFO_SOC_OCD
Definition neorv32_sysinfo.h:48
@ SYSINFO_SOC_IO_TRNG
Definition neorv32_sysinfo.h:67
@ SYSINFO_SOC_IO_GPTMR
Definition neorv32_sysinfo.h:72
@ SYSINFO_SOC_IO_SPI
Definition neorv32_sysinfo.h:62
@ SYSINFO_SOC_IO_UART1
Definition neorv32_sysinfo.h:69
@ SYSINFO_SOC_IO_TRACER
Definition neorv32_sysinfo.h:71
@ SYSINFO_SOC_DMEM
Definition neorv32_sysinfo.h:47
@ SYSINFO_SOC_IO_GPIO
Definition neorv32_sysinfo.h:59
@ SYSINFO_SOC_BOOTLOADER
Definition neorv32_sysinfo.h:44
@ SYSINFO_SOC_IO_SDI
Definition neorv32_sysinfo.h:68
@ SYSINFO_SOC_IO_PWM
Definition neorv32_sysinfo.h:64
@ SYSINFO_SOC_DCACHE
Definition neorv32_sysinfo.h:50
@ SYSINFO_SOC_IMEM
Definition neorv32_sysinfo.h:46
@ SYSINFO_SOC_IO_ONEWIRE
Definition neorv32_sysinfo.h:74
@ SYSINFO_SOC_IMEM_ROM
Definition neorv32_sysinfo.h:56
@ SYSINFO_SOC_IO_CLINT
Definition neorv32_sysinfo.h:60
@ SYSINFO_SOC_XBUS
Definition neorv32_sysinfo.h:45
@ SYSINFO_SOC_IO_CFS
Definition neorv32_sysinfo.h:66
@ SYSINFO_SOC_IO_WDT
Definition neorv32_sysinfo.h:65
uint32_t neorv32_sysinfo_get_numcores(void)
Definition neorv32_sysinfo.h:99
Definition neorv32_sysinfo.h:24
uint32_t CLK
Definition neorv32_sysinfo.h:25
const uint8_t MISC[4]
Definition neorv32_sysinfo.h:26
const uint32_t SOC
Definition neorv32_sysinfo.h:27
const uint32_t CACHE
Definition neorv32_sysinfo.h:28