| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
|  | 2 | * Reset a DECstation machine. | 
|  | 3 | * | 
|  | 4 | * Copyright (C) 199x  the Anonymous | 
|  | 5 | * Copyright (C) 2001, 2002, 2003  Maciej W. Rozycki | 
|  | 6 | */ | 
|  | 7 | #include <linux/interrupt.h> | 
|  | 8 | #include <linux/linkage.h> | 
|  | 9 |  | 
|  | 10 | #include <asm/addrspace.h> | 
|  | 11 | #include <asm/ptrace.h> | 
|  | 12 |  | 
|  | 13 | typedef void ATTRIB_NORET (* noret_func_t)(void); | 
|  | 14 |  | 
|  | 15 | static inline void ATTRIB_NORET back_to_prom(void) | 
|  | 16 | { | 
| Maciej W. Rozycki | 3bd4c90 | 2005-06-16 20:30:54 +0000 | [diff] [blame] | 17 | noret_func_t func = (void *)CKSEG1ADDR(0x1fc00000); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 |  | 
|  | 19 | func(); | 
|  | 20 | } | 
|  | 21 |  | 
|  | 22 | void ATTRIB_NORET dec_machine_restart(char *command) | 
|  | 23 | { | 
|  | 24 | back_to_prom(); | 
|  | 25 | } | 
|  | 26 |  | 
|  | 27 | void ATTRIB_NORET dec_machine_halt(void) | 
|  | 28 | { | 
|  | 29 | back_to_prom(); | 
|  | 30 | } | 
|  | 31 |  | 
|  | 32 | void ATTRIB_NORET dec_machine_power_off(void) | 
|  | 33 | { | 
|  | 34 | /* DECstations don't have a software power switch */ | 
|  | 35 | back_to_prom(); | 
|  | 36 | } | 
|  | 37 |  | 
|  | 38 | irqreturn_t dec_intr_halt(int irq, void *dev_id, struct pt_regs *regs) | 
|  | 39 | { | 
|  | 40 | dec_machine_halt(); | 
|  | 41 | } |