tehsquidge/SquidgeOS
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

remove magic numbers for syscon

Browse source
This commit is contained in:
Liam Kerr 2026-02-08 22:15:50 +00:00
parent 8cd08165e0
commit fae2e42f8f
2 changed files with 9 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/syscon/syscon.c
View file

@ -4,11 +4,11 @@
#include "drivers/uart.h"
void poweroff(void) {
kputs("Poweroff requested");
*(uint32_t *)SYSCON_ADDR = 0x5555;
kputs("Poweroff requested");
*(volatile uint32_t *)SYSCON_ADDR = SYSCON_POWEROFF;
}
void reboot(void) {
kputs("Reboot requested");
*(uint32_t *)SYSCON_ADDR = 0x7777;
kputs("Reboot requested");
*(volatile uint32_t *)SYSCON_ADDR = SYSCON_REBOOT;
}

7
src/syscon/syscon.h
View file

@ -1,10 +1,13 @@
#ifndef SYSCON_H
#define SYSCON_H
// "test" syscon-compatible device is at memory-mapped address 0x100000
// according to our device tree
// QEMU Sifive Test device address
#define SYSCON_ADDR 0x100000
// Magic values for the Sifive Test device
#define SYSCON_POWEROFF 0x5555
#define SYSCON_REBOOT 0x7777
void poweroff(void);
void reboot(void);