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should've been part of the previous commit.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26266 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini 2008-07-05 20:45:17 +00:00
parent 6e29a04d36
commit 165db546bf
1 changed files with 0 additions and 49 deletions
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49
headers/private/kernel/arch/x86/arch_hpet.h
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@ -1,49 +0,0 @@
/*
* Copyright 2008, Dustin Howett, dustin.howett@gmail.com. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _KERNEL_ARCH_x86_HPET_H
#define _KERNEL_ARCH_x86_HPET_H
#include <types.h>
/* All masks are 64 bits wide to represent bit locations;
the HPET registers are 64 bits wide. */
/* Global Capability Register Masks */
#define HPET_CAP_MASK_ID 0x00000000000000FF
#define HPET_CAP_MASK_NUMTIMERS 0x0000000000001F00
#define HPET_CAP_MASK_WIDTH 0x0000000000002000
#define HPET_CAP_MASK_LEGACY 0x0000000000008000
#define HPET_CAP_MASK_VENDOR_ID 0x00000000FFFF0000
#define HPET_CAP_MASK_PERIOD 0xFFFFFFFF00000000
/* Retrieve Global Capabilities */
#define HPET_GET_ID(regs) ((regs)->caps & HPET_CAP_MASK_ID)
#define HPET_GET_NUM_TIMERS(regs) (((regs)->caps & HPET_CAP_MASK_NUMTIMERS) >> 8)
#define HPET_IS_64BIT_CAPABLE(regs) (((regs)->caps & HPET_CAP_MASK_WIDTH) >> 13)
#define HPET_IS_LEGACY_CAPABLE(regs) (((regs)->caps & HPET_CAP_MASK_LEGACY) >> 15)
#define HPET_GET_VENDOR_ID(regs) (((regs)->caps & HPET_CAP_MASK_VENDOR_ID) >> 16)
#define HPET_GET_PERIOD(regs) (((regs)->caps & HPET_CAP_MASK_PERIOD) >> 32)
struct hpet_timer {
uint64 config; /* Timer configuration and capabilities */
uint64 comparator; /* Comparator value */
uint64 introute; /* FSB Interrupt Routing */
uint64 reserved;
};
struct hpet_regs {
uint64 caps; /* HPET Capabilities and ID */
uint64 reserved1;
uint64 config; /* General Configuration */
uint64 reserved2;
uint64 intstatus; /* General Interrupt Status */
uint8 reserved3[200];
uint64 mainvalue; /* Main Counter Value */
uint64 reserved4;
struct hpet_timer timers[1]; /* Timers */
};
#endif