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Move the (one liner) logic of AcpiOsGetRootPointer() out of acpica/Osd to

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acpi.c and take the opportunity to create a sysctl node that contains the
address of the main ACPI table.

The name of the node, "machdep.acpi_root", is questionable but matches the
one FreeBSD has, which will make it easier to port their acpidump(8)
program.
This commit is contained in:
cube 2005-12-12 15:04:50 +00:00
parent 5e90e0f641
commit 3de4cab6f7
3 changed files with 41 additions and 16 deletions
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37
sys/dev/acpi/acpi.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: acpi.c,v 1.77 2005/12/11 12:21:01 christos Exp $ */
/* $NetBSD: acpi.c,v 1.78 2005/12/12 15:04:50 cube Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@ -77,7 +77,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: acpi.c,v 1.77 2005/12/11 12:21:01 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: acpi.c,v 1.78 2005/12/12 15:04:50 cube Exp $");
#include "opt_acpi.h"
#include "opt_pcifixup.h"
@ -88,6 +88,7 @@ __KERNEL_RCSID(0, "$NetBSD: acpi.c,v 1.77 2005/12/11 12:21:01 christos Exp $");
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/sysctl.h>
#include <dev/acpi/acpica.h>
#include <dev/acpi/acpireg.h>
@ -148,6 +149,8 @@ struct acpi_softc *acpi_softc;
static struct simplelock acpi_slock;
static int acpi_locked;
static uint64_t acpi_root_pointer;
/*
* Prototypes.
*/
@ -220,6 +223,29 @@ acpi_probe(void)
return 1;
}
ACPI_STATUS
acpi_OsGetRootPointer(UINT32 Flags, ACPI_POINTER *PhysicalAddress)
{
ACPI_STATUS rv;
/*
* IA-32: Use AcpiFindRootPointer() to locate the RSDP.
*
* IA-64: Use the EFI.
*
* We let MD code handle this since there are multiple
* ways to do it.
*/
rv = acpi_md_OsGetRootPointer(Flags, PhysicalAddress);
if (acpi_root_pointer == 0 && ACPI_SUCCESS(rv))
acpi_root_pointer =
(uint64_t)PhysicalAddress->Pointer.Physical;
return rv;
}
/*
* acpi_match:
*
@ -336,6 +362,13 @@ acpi_attach(struct device *parent, struct device *self, void *aux)
acpi_md_callback((struct device *)sc);
acpi_build_tree(sc);
if (acpi_root_pointer != 0)
(void)sysctl_createv(NULL, 0, NULL, NULL,
CTLFLAG_IMMEDIATE,
CTLTYPE_QUAD, "acpi_root", NULL, NULL,
acpi_root_pointer, NULL, 0,
CTL_MACHDEP, CTL_CREATE, CTL_EOL);
/*
* Register a shutdown hook that disables certain ACPI
* events that might happen and confuse us while we're

17
sys/dev/acpi/acpica/Osd/OsdEnvironment.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: OsdEnvironment.c,v 1.5 2005/12/11 12:21:02 christos Exp $ */
/* $NetBSD: OsdEnvironment.c,v 1.6 2005/12/12 15:04:50 cube Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
@ -42,11 +42,12 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: OsdEnvironment.c,v 1.5 2005/12/11 12:21:02 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: OsdEnvironment.c,v 1.6 2005/12/12 15:04:50 cube Exp $");
#include <sys/types.h>
#include <dev/acpi/acpica.h>
#include <dev/acpi/acpivar.h>
#include <dev/acpi/acpi_osd.h>
#include <machine/acpi_machdep.h>
@ -102,15 +103,5 @@ AcpiOsTerminate(void)
ACPI_STATUS
AcpiOsGetRootPointer(UINT32 Flags, ACPI_POINTER *PhysicalAddress)
{
/*
* IA-32: Use AcpiFindRootPointer() to locate the RSDP.
*
* IA-64: Use the EFI.
*
* We let MD code handle this since there are multiple
* ways to do it.
*/
return acpi_md_OsGetRootPointer(Flags, PhysicalAddress);
return acpi_OsGetRootPointer(Flags, PhysicalAddress);
}

3
sys/dev/acpi/acpivar.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: acpivar.h,v 1.24 2005/12/11 12:21:02 christos Exp $ */
/* $NetBSD: acpivar.h,v 1.25 2005/12/12 15:04:50 cube Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
@ -258,6 +258,7 @@ extern int acpi_active;
extern const struct acpi_resource_parse_ops acpi_resource_parse_ops_default;
int acpi_probe(void);
ACPI_STATUS acpi_OsGetRootPointer(UINT32, ACPI_POINTER *);
int acpi_match_hid(ACPI_DEVICE_INFO *, const char * const *);
void acpi_set_wake_gpe(ACPI_HANDLE);