Files
novaOS/src/pi3/power_management.rs
Alexander Neuhäuser f78388ee2c feat: implement MMU core functionality
* feat: Implement a basic MMU configuration

* feat: Enhance MMU by separating sections and configuring permissions

* feat: Update MMU configuration and memory allocation functions

* fix: Level 3 translation fault

* docs: add code documentation

* fix: linter

* feat: map translation tables to kernel space

* feat: move el1 stack to kernel VA space

* feat: use virtual memory for heap allocation

* docs: update Readme
2026-03-17 19:30:45 +01:00

29 lines
880 B
Rust

use core::ptr::{read_volatile, write_volatile};
use crate::PERIPHERAL_BASE;
/// Power Management Base
static PM_BASE: u32 = PERIPHERAL_BASE as u32 + 0x10_0000;
static PM_RSTC: u32 = PM_BASE + 0x1c;
static PM_WDOG: u32 = PM_BASE + 0x24;
static PM_PASSWORD: u32 = 0x5a000000;
static PM_WDOG_TIMER_MASK: u32 = 0x000fffff;
static PM_RSTC_WRCFG_CLR: u32 = 0xffffffcf;
static PM_RSTC_WRCFG_FULL_RESET: u32 = 0x00000020;
pub fn reboot_system() {
unsafe {
let pm_rstc_val = read_volatile(PM_RSTC as *mut u32);
// (31:16) bits -> password
// (11:0) bits -> value
write_volatile(PM_WDOG as *mut u32, PM_PASSWORD | (1 & PM_WDOG_TIMER_MASK));
write_volatile(
PM_RSTC as *mut u32,
PM_PASSWORD | (pm_rstc_val & PM_RSTC_WRCFG_CLR) | PM_RSTC_WRCFG_FULL_RESET,
);
}
#[allow(clippy::empty_loop)]
loop {}
}