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Ignore whitespace Rev 32 → Rev 33

/SPARTAN/trunk/arch/ia32/src/acpi/madt.c
0,0 → 1,32
/*
* Copyright (C) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#include <arch/acpi/acpi.h>
#include <arch/acpi/madt.h>
 
struct acpi_madt *acpi_madt = NULL;
/SPARTAN/trunk/arch/ia32/src/acpi/acpi.c
27,13 → 27,22
*/
 
#include <arch/acpi/acpi.h>
#include <arch/acpi/madt.h>
#include <arch/bios/bios.h>
 
#include <mm/page.h>
 
#define RSDP_SIGNATURE "RSD PTR "
#define RSDP_REVISION_OFFS 15
 
struct acpi_rsdp *acpi_rsdp = NULL;
struct acpi_rsdt *acpi_rsdt = NULL;
struct acpi_xsdt *acpi_xsdt = NULL;
 
struct acpi_signature_map signature_map[] = {
{ "APIC", (struct acpi_sdt_header **) &acpi_madt, "Multiple APIC Description Table" }
};
 
int rsdp_check(__u8 *rsdp) {
struct acpi_rsdp *r = (struct acpi_rsdp *) rsdp;
__u8 sum = 0;
55,6 → 64,23
}
 
int acpi_sdt_check(__u8 *sdt)
{
struct acpi_sdt_header *h = (struct acpi_sdt_header *) sdt;
__u8 sum = 0;
int i;
 
for (i=0; i<h->length; i++)
sum += sdt[i];
return !sum;
}
 
void map_sdt(struct acpi_sdt_header *sdt)
{
map_page_to_frame((__address) sdt, (__address) sdt, PAGE_NOT_CACHEABLE, 0);
}
 
void acpi_init(void)
{
__u8 *addr[2] = { NULL, (__u8 *) 0xe0000 };
80,5 → 106,67
return;
 
rsdp_found:
printf("%L: ACPI Root System Description Pointer\n", acpi_rsdp);
printf("%L: ACPI Root System Description Pointer\n", acpi_rsdp);
acpi_rsdt = (struct acpi_rsdt *) acpi_rsdp->rsdt_address;
if (acpi_rsdp->revision) acpi_xsdt = (struct acpi_xsdt *) ((__address) acpi_rsdp->xsdt_address);
 
if (acpi_rsdt) map_sdt((struct acpi_sdt_header *) acpi_rsdt);
if (acpi_xsdt) map_sdt((struct acpi_sdt_header *) acpi_xsdt);
 
if (acpi_rsdt && !acpi_sdt_check((__u8 *) acpi_rsdt)) {
printf("RSDT: %s\n", "bad checksum");
return;
}
if (acpi_xsdt && !acpi_sdt_check((__u8 *) acpi_xsdt)) {
printf("XSDT: %s\n", "bad checksum");
return;
}
 
if (acpi_xsdt) configure_via_xsdt();
else if (acpi_rsdt) configure_via_rsdt();
 
}
 
void configure_via_rsdt(void)
{
int i, j, cnt = (acpi_rsdt->header.length - sizeof(struct acpi_sdt_header))/sizeof(__u32);
for (i=0; i<cnt; i++) {
for (j=0; j<sizeof(signature_map)/sizeof(struct acpi_signature_map); j++) {
struct acpi_sdt_header *h = (struct acpi_sdt_header *) acpi_rsdt->entry[i];
map_sdt(h);
if (*((__u32 *) &h->signature[0])==*((__u32 *) &signature_map[j].signature[0])) {
if (!acpi_sdt_check((__u8 *) h))
goto next;
*signature_map[j].sdt_ptr = h;
printf("%L: ACPI %s\n", *signature_map[j].sdt_ptr, signature_map[j].description);
}
}
next:
;
}
}
 
void configure_via_xsdt(void)
{
int i, j, cnt = (acpi_xsdt->header.length - sizeof(struct acpi_sdt_header))/sizeof(__u64);
for (i=0; i<cnt; i++) {
for (j=0; j<sizeof(signature_map)/sizeof(struct acpi_signature_map); j++) {
struct acpi_sdt_header *h = (struct acpi_sdt_header *) ((__address) acpi_rsdt->entry[i]);
 
map_sdt(h);
if (*((__u32 *) &h->signature[0])==*((__u32 *) &signature_map[j].signature[0])) {
if (!acpi_sdt_check((__u8 *) h))
goto next;
*signature_map[j].sdt_ptr = h;
printf("%L: ACPI %s\n", *signature_map[j].sdt_ptr, signature_map[j].description);
}
}
next:
;
}
 
}