Commit 981efe9a authored by Len Brown's avatar Len Brown
Browse files

tools/power/acpi/acpidump: version 20070714 



This is unchanged version 20070714, plus a small bit in
DEFINE_ALTERNATE_TYPES to enable building with latest kernel headers.

Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 4f100420

tools/power/acpi/Makefile

+3 −4
Original line number Diff line number Diff line 
PROG= acpidump

SRCS=	acpidump.c

KERNEL_INCLUDE := ../../../include

CFLAGS += -Wall -Wstrict-prototypes -Os -s -D_LINUX -DDEFINE_ALTERNATE_TYPES -I$(KERNEL_INCLUDE) 

CFLAGS += -Wall -Wstrict-prototypes -Wdeclaration-after-statement -Os -s -D_LINUX -DDEFINE_ALTERNATE_TYPES -I$(KERNEL_INCLUDE) 



all: acpidump



acpidump : $(SRCS) 

$(PROG) : $(SRCS)

	$(CC) $(CFLAGS) $(SRCS) -o $(PROG)



CLEANFILES= $(PROG)

tools/power/acpi/acpidump.c

+100 −27
Original line number Diff line number Diff line 
/*

 * (c) Alexey Starikovskiy, Intel, 2005-2006.

 * (c) Len Brown, Intel, 2007.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without
@@ -185,6 +186,40 @@ static void acpi_show_data(int fd, u8 * data, int size) 
/*

 * Output ACPI table

 */



#define MAX_TABLES 128

int next_table_dump;

u64 dumped_tables[MAX_TABLES];



void

set_table_dumped(u64 address) {

	if (next_table_dump >= MAX_TABLES) {

		printf("increase MAX_TABLES\n");

		exit(1);

	}

	dumped_tables[next_table_dump++] = address;

}



/*

 * list the tables as they are dumped

 * check the list so that they are not dumped twice.

 *

 * this is needed because we follow both the XSDT and RSDT

 * which generally point to all duplicate tables

 * except the FADT

 */

int

check_table_dumped(u64 address) {

	int i;



	for (i = 0; i < MAX_TABLES; ++i) {

		if (address == dumped_tables[i])

			return 1;

		if (dumped_tables[i] == 0)

			return 0;

	}

	return 0;

}

static void acpi_show_table(int fd, struct acpi_table_header *table, unsigned long addr)

{

	char buff[80];
@@ -198,6 +233,10 @@ static void acpi_show_table(int fd, struct acpi_table_header *table, unsigned lo 
static void write_table(int fd, struct acpi_table_header *tbl, unsigned long addr)

{

	static int select_done = 0;



	if (check_table_dumped((u64)addr))

		return;



	if (!select_sig[0]) {

		if (print) {

			acpi_show_table(fd, tbl, addr);
@@ -216,6 +255,7 @@ static void write_table(int fd, struct acpi_table_header *tbl, unsigned long add 
		}

		select_done = 1;

	}

	set_table_dumped((u64) addr);

}



static void acpi_dump_FADT(int fd, struct acpi_table_header *tbl, unsigned long xaddr) {
@@ -272,30 +312,26 @@ static void acpi_dump_FADT(int fd, struct acpi_table_header *tbl, unsigned long 
	write_table(fd, (struct acpi_table_header *)&x, xaddr);

}



static int acpi_dump_SDT(int fd, struct acpi_rsdp_descriptor *rsdp)



static int acpi_dump_RSDT(int fd, struct acpi_rsdp_descriptor *rsdp)

{

	struct acpi_table_header *sdt, *tbl = 0;

	int xsdt = 1, i, num;

	int i, num;

	char *offset;

	unsigned long addr;

	if (rsdp->revision > 1 && rsdp->xsdt_physical_address) {

		tbl = acpi_map_table(rsdp->xsdt_physical_address, "XSDT");

	}

	if (!tbl && rsdp->rsdt_physical_address) {

		xsdt = 0;



	tbl = acpi_map_table(rsdp->rsdt_physical_address, "RSDT");

	}

	if (!tbl) return 0;



	sdt = malloc(tbl->length);

	memcpy(sdt, tbl, tbl->length);

	acpi_unmap_table(tbl);

	if (checksum((u8 *)sdt, sdt->length))

		fprintf(stderr, "Wrong checksum for %s!\n", (xsdt)?"XSDT":"RSDT");

	num = (sdt->length - sizeof(struct acpi_table_header))/((xsdt)?sizeof(u64):sizeof(u32));

		fprintf(stderr, "Wrong checksum for %s!\n", "RSDT");

	num = (sdt->length - sizeof(struct acpi_table_header))/sizeof(u32);

	offset = (char *)sdt + sizeof(struct acpi_table_header);

	for (i = 0; i < num; ++i, offset += ((xsdt) ? sizeof(u64) : sizeof(u32))) {

		addr = (xsdt) ? (unsigned long)(*(u64 *)offset):

				(unsigned long)(*(u32 *)offset);

	for (i = 0; i < num; ++i, offset += sizeof(u32)) {

		addr = (unsigned long)(*(u32 *)offset);

		if (!addr) continue;

		tbl = acpi_map_table(addr, 0);

		if (!tbl) continue;
@@ -303,27 +339,62 @@ static int acpi_dump_SDT(int fd, struct acpi_rsdp_descriptor *rsdp) 
			acpi_dump_FADT(fd, tbl, addr);

		} else {

			if (checksum((u8 *)tbl, tbl->length))

				fprintf(stderr, "Wrong checksum for generic table!\n");

				fprintf(stderr, "Wrong checksum for %.4s!\n", tbl->signature);

			write_table(fd, tbl, addr);

		}

		acpi_unmap_table(tbl);

		if (connect) {

			if (xsdt)

				(*(u64*)offset) = lseek(fd, 0, SEEK_CUR);

			else

			(*(u32*)offset) = lseek(fd, 0, SEEK_CUR);

		}

	}

	if (xsdt) {

		addr = (unsigned long)rsdp->xsdt_physical_address;

	addr = (unsigned long)rsdp->rsdt_physical_address;

	if (connect) {

			rsdp->xsdt_physical_address = lseek(fd, 0, SEEK_CUR);

		rsdp->rsdt_physical_address = lseek(fd, 0, SEEK_CUR);

	}

	write_table(fd, sdt, addr);

	free (sdt);

	return 1;

}





static int acpi_dump_XSDT(int fd, struct acpi_rsdp_descriptor *rsdp)

{

	struct acpi_table_header *sdt, *tbl = 0;

	int i, num;

	char *offset;

	unsigned long addr;

	if (rsdp->revision > 1 && rsdp->xsdt_physical_address) {

		tbl = acpi_map_table(rsdp->xsdt_physical_address, "XSDT");

	}

	if (!tbl) return 0;



	sdt = malloc(tbl->length);

	memcpy(sdt, tbl, tbl->length);

	acpi_unmap_table(tbl);

	if (checksum((u8 *)sdt, sdt->length))

		fprintf(stderr, "Wrong checksum for %s!\n", "XSDT");

	num = (sdt->length - sizeof(struct acpi_table_header))/sizeof(u64);

	offset = (char *)sdt + sizeof(struct acpi_table_header);

	for (i = 0; i < num; ++i, offset += sizeof(u64)) {

		addr = (unsigned long)(*(u64 *)offset);

		if (!addr) continue;

		tbl = acpi_map_table(addr, 0);

		if (!tbl) continue;

		if (!memcmp(tbl->signature, FADT_SIG, 4)) {

			acpi_dump_FADT(fd, tbl, addr);

		} else {

		addr = (unsigned long)rsdp->rsdt_physical_address;

			if (checksum((u8 *)tbl, tbl->length))

				fprintf(stderr, "Wrong checksum for %.4s\n", tbl->signature);

			write_table(fd, tbl, addr);

		}

		acpi_unmap_table(tbl);

		if (connect) {

			rsdp->rsdt_physical_address = lseek(fd, 0, SEEK_CUR);

			(*(u64*)offset) = lseek(fd, 0, SEEK_CUR);

		}

	}

	addr = (unsigned long)rsdp->xsdt_physical_address;

	if (connect) {

		rsdp->xsdt_physical_address = lseek(fd, 0, SEEK_CUR);

	}

	write_table(fd, sdt, addr);

	free (sdt);
@@ -469,7 +540,9 @@ int main(int argc, char **argv) 
	if (connect) {

		lseek(fd, sizeof(struct acpi_rsdp_descriptor), SEEK_SET);

	}

	if (!acpi_dump_SDT(fd, &rsdpx))

	if (!acpi_dump_XSDT(fd, &rsdpx))

		goto not_found;

	if (!acpi_dump_RSDT(fd, &rsdpx))

		goto not_found;

	if (connect) {

		lseek(fd, 0, SEEK_SET);