Firmware/MNRS-BM-BSP
8
0
Fork 0
Code Issues 1 Pull Requests Projects Releases Wiki Activity

adds csr access functions

Browse Source
This commit is contained in:
Eyck Jentzsch
2025-11-21 11:26:09 +01:00
parent 6e2607cecc
commit 328a961276
4 changed files with 17417 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
include/minres/devices/aclint.h
View File

@@ -1,27 +1,36 @@
#ifndef _DEVICES_ACLINT_H
#define _DEVICES_ACLINT_H
#include <stdint.h>
#include "gen/aclint.h"
#include <stdint.h>
static void set_aclint_mtime(volatile aclint_t* reg, uint64_t value){
static void set_aclint_mtime(volatile aclint_t* reg, uint64_t value) {
set_aclint_mtime_hi(reg, (uint32_t)(value >> 32));
set_aclint_mtime_lo(reg, (uint32_t)value);
}
static uint64_t get_aclint_mtime(volatile aclint_t* reg){
uint64_t value = ((uint64_t)get_aclint_mtime_hi(reg) << 32) | (uint64_t)get_aclint_mtime_lo(reg);
return value;
static uint64_t get_aclint_mtime(volatile aclint_t* reg) {
// #if ( __riscv_xlen == 64)
// volatile uint64_t *mtime = (volatile uint64_t *)(RISCV_MTIME_ADDR);
// return *mtime;
// #else
uint32_t mtimeh_val;
uint32_t mtimel_val;
do {
mtimeh_val = get_aclint_mtime_hi(reg);
mtimel_val = get_aclint_mtime_lo(reg);
} while(mtimeh_val != get_aclint_mtime_hi(reg));
return (uint64_t)((((uint64_t)mtimeh_val) << 32) | mtimel_val);
// #endif
}
static void set_aclint_mtimecmp(volatile aclint_t* reg, uint64_t value){
static void set_aclint_mtimecmp(volatile aclint_t* reg, uint64_t value) {
set_aclint_mtimecmp0lo(reg, (uint32_t)0xFFFFFFFF);
set_aclint_mtimecmp0hi(reg, (uint32_t)(value >> 32));
set_aclint_mtimecmp0lo(reg, (uint32_t)value);
}
static uint64_t get_aclint_mtimecmp(volatile aclint_t* reg){
static uint64_t get_aclint_mtimecmp(volatile aclint_t* reg) {
uint64_t value = ((uint64_t)get_aclint_mtimecmp0hi(reg) << 32) | (uint64_t)get_aclint_mtimecmp0lo(reg);
return value;
}