coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
cf9_reset.h
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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #ifndef X86_CF9_RESET_H
4 #define X86_CF9_RESET_H
5 
6 /* Reset control port */
7 #define RST_CNT 0xcf9
8 #define FULL_RST (1 << 3)
9 #define RST_CPU (1 << 2)
10 #define SYS_RST (1 << 1)
11 
12 /* Implement the bare reset, i.e. write to cf9. */
13 void do_system_reset(void);
14 void do_full_reset(void);
15 
16 /* Called by functions below before reset. */
17 #if CONFIG(HAVE_CF9_RESET_PREPARE)
18 void cf9_reset_prepare(void);
19 #else
20 static inline void cf9_reset_prepare(void) {}
21 #endif
22 
23 /* Prepare for reset, run do_*_reset(), halt. */
24 __noreturn void system_reset(void);
25 __noreturn void full_reset(void);
26 
27 #endif /* X86_CF9_RESET_H */
system_reset
__noreturn void system_reset(void)
Definition: cf9_reset.c:37
do_full_reset
void do_full_reset(void)
Definition: cf9_reset.c:30
full_reset
__noreturn void full_reset(void)
Definition: cf9_reset.c:45
do_system_reset
void do_system_reset(void)
Definition: cf9_reset.c:16
cf9_reset_prepare
static void cf9_reset_prepare(void)
Definition: cf9_reset.h:20
__noreturn
#define __noreturn
Definition: compiler.h:31