Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932151Ab2JFUTv (ORCPT ); Sat, 6 Oct 2012 16:19:51 -0400 Received: from mail-qa0-f46.google.com ([209.85.216.46]:38888 "EHLO mail-qa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932069Ab2JFUTp (ORCPT ); Sat, 6 Oct 2012 16:19:45 -0400 From: Len Brown To: linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Len Brown Subject: [PATCH 33/49] tools/power/acpi/acpidump: version 20070714 Date: Sat, 6 Oct 2012 16:09:54 -0400 Message-Id: <981efe9ab9e91e13ec75836300515428a30017df.1349554106.git.len.brown@intel.com> X-Mailer: git-send-email 1.8.0.rc0.18.gf84667d In-Reply-To: <1349554210-29978-1-git-send-email-lenb@kernel.org> References: <1349554210-29978-1-git-send-email-lenb@kernel.org> In-Reply-To: References: Reply-To: Len Brown Organization: Intel Open Source Technology Center Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7349 Lines: 237 From: Len Brown This is unchanged version 20070714, plus a small bit in DEFINE_ALTERNATE_TYPES to enable building with latest kernel headers. Signed-off-by: Len Brown --- tools/power/acpi/Makefile | 7 ++- tools/power/acpi/acpidump.c | 127 ++++++++++++++++++++++++++++++++++---------- 2 files changed, 103 insertions(+), 31 deletions(-) diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile index faf5ff5..dad79a6 100644 --- a/tools/power/acpi/Makefile +++ b/tools/power/acpi/Makefile @@ -1,11 +1,10 @@ -PROG= acpidump +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) diff --git a/tools/power/acpi/acpidump.c b/tools/power/acpi/acpidump.c index 3bb8e82..8e5e194 100644 --- a/tools/power/acpi/acpidump.c +++ b/tools/power/acpi/acpidump.c @@ -1,5 +1,6 @@ /* * (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 @@ no_facs: 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"); - } + + 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; @@ -303,28 +339,63 @@ 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); + (*(u32*)offset) = lseek(fd, 0, SEEK_CUR); } } - if (xsdt) { - addr = (unsigned long)rsdp->xsdt_physical_address; - if (connect) { - rsdp->xsdt_physical_address = lseek(fd, 0, SEEK_CUR); + addr = (unsigned long)rsdp->rsdt_physical_address; + if (connect) { + 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 { + if (checksum((u8 *)tbl, tbl->length)) + fprintf(stderr, "Wrong checksum for %.4s\n", tbl->signature); + write_table(fd, tbl, addr); } - } else { - addr = (unsigned long)rsdp->rsdt_physical_address; + 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); return 1; @@ -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); -- 1.8.0.rc0.18.gf84667d -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/