From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001 From: Kacper Date: Sun, 7 Dec 2025 20:10:31 +0100 Subject: Add build system scaffolding and libc headers --- include/arch/x86_64/linux/hpet.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 include/arch/x86_64/linux/hpet.h (limited to 'include/arch/x86_64/linux/hpet.h') diff --git a/include/arch/x86_64/linux/hpet.h b/include/arch/x86_64/linux/hpet.h new file mode 100644 index 00000000..4713a414 --- /dev/null +++ b/include/arch/x86_64/linux/hpet.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __HPET__ +#define __HPET__ + +struct hpet_info { + unsigned long hi_ireqfreq; /* Hz */ + unsigned long hi_flags; /* information */ + unsigned short hi_hpet; + unsigned short hi_timer; +}; + +#define HPET_INFO_PERIODIC 0x0010 /* periodic-capable comparator */ + +#define HPET_IE_ON _IO('h', 0x01) /* interrupt on */ +#define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */ +#define HPET_INFO _IOR('h', 0x03, struct hpet_info) +#define HPET_EPI _IO('h', 0x04) /* enable periodic */ +#define HPET_DPI _IO('h', 0x05) /* disable periodic */ +#define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */ + +#define MAX_HPET_TBS 8 /* maximum hpet timer blocks */ + +#endif /* __HPET__ */ -- cgit v1.2.3