From 0efea7b6b2ac2a6e7d7b223a6c70299099285103 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Sat, 22 Sep 2012 22:33:19 -0400 Subject: [PATCH 1/6] tools/power/acpi/acpidump: version 20051111 This is unchanged version 20051111, plus a small bit in DEFINE_ALTERNATE_TYPES to enable building with latest kernel headers. Signed-off-by: Len Brown --- tools/power/acpi/Makefile | 15 ++ tools/power/acpi/acpidump.c | 472 ++++++++++++++++++++++++++++++++++++ 2 files changed, 487 insertions(+) create mode 100644 tools/power/acpi/Makefile create mode 100644 tools/power/acpi/acpidump.c diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile new file mode 100644 index 000000000000..faf5ff5c8f8f --- /dev/null +++ b/tools/power/acpi/Makefile @@ -0,0 +1,15 @@ +PROG= acpidump +SRCS= acpidump.c +KERNEL_INCLUDE := ../../../include +CFLAGS += -Wall -Wstrict-prototypes -Os -s -D_LINUX -DDEFINE_ALTERNATE_TYPES -I$(KERNEL_INCLUDE) + +all: acpidump + +acpidump : $(SRCS) + $(CC) $(CFLAGS) $(SRCS) -o $(PROG) + +CLEANFILES= $(PROG) + +clean : + rm -f $(CLEANFILES) $(patsubst %.c,%.o, $(SRCS)) *~ + diff --git a/tools/power/acpi/acpidump.c b/tools/power/acpi/acpidump.c new file mode 100644 index 000000000000..3f0a9da6df9f --- /dev/null +++ b/tools/power/acpi/acpidump.c @@ -0,0 +1,472 @@ +/* + * (c) Alexey Starikovskiy, Intel, 2005. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES. + */ + +#ifdef DEFINE_ALTERNATE_TYPES +/* hack to enable building old application with new headers -lenb */ +#define acpi_fadt_descriptor acpi_table_fadt +#define acpi_rsdp_descriptor acpi_table_rsdp +#define DSDT_SIG ACPI_SIG_DSDT +#define FACS_SIG ACPI_SIG_FACS +#define FADT_SIG ACPI_SIG_FADT +#define xfirmware_ctrl Xfacs +#define firmware_ctrl facs + +typedef int s32; +typedef unsigned char u8; +typedef unsigned short u16; +typedef unsigned int u32; +typedef unsigned long long u64; +typedef long long s64; +#endif + +#include +#include +#include +#include +#include +#include +#include +#include + + +#include +#include +#include +#include + +static inline u8 checksum(u8 * buffer, u32 length) +{ + u8 sum = 0, *i = buffer; + buffer += length; + for (; i < buffer; sum += *(i++)); + return sum; +} + +static unsigned long psz, addr, length; +static int print, connect; +static u8 select_sig[4]; + +static unsigned long read_efi_systab( void ) +{ + FILE *f = fopen("/sys/firmware/efi/systab", "r"); + if (f) { + char buffer[80]; + while (fgets(buffer, 80, f)) { + unsigned long addr; + if (sscanf(buffer, "ACPI20=0x%lx", &addr) == 1) + return addr; + } + fclose(f); + } + return 0; +} + +static u8 *acpi_map_memory(unsigned long where, unsigned length) +{ + int fd = open("/dev/mem", O_RDONLY); + if (fd < 0) { + fprintf(stderr, "acpi_os_map_memory: cannot open /dev/mem\n"); + exit(1); + } + unsigned long offset = where % psz; + u8 *there = mmap(NULL, length + offset, PROT_READ, MAP_PRIVATE, + fd, where - offset); + close(fd); + if (there == MAP_FAILED) return 0; + return (there + offset); +} + +static void acpi_unmap_memory(u8 * there, unsigned length) +{ + unsigned long offset = (unsigned long)there % psz; + munmap(there - offset, length + offset); +} + +static struct acpi_table_header *acpi_map_table(unsigned long where, char *sig) +{ + struct acpi_table_header *tbl = (struct acpi_table_header *) + acpi_map_memory(where, sizeof(struct acpi_table_header)); + if (!tbl || (sig && memcmp(sig, tbl->signature, 4))) return 0; + unsigned size = tbl->length; + acpi_unmap_memory((u8 *) tbl, sizeof(struct acpi_table_header)); + return (struct acpi_table_header *)acpi_map_memory(where, size); +} + +static void acpi_unmap_table(struct acpi_table_header *tbl) +{ + acpi_unmap_memory((u8 *)tbl, tbl->length); +} + +static struct acpi_rsdp_descriptor *acpi_scan_for_rsdp(u8 *begin, u32 length) +{ + u8 *i, *end = begin + length; + /* Search from given start address for the requested length */ + for (i = begin; i < end; i += ACPI_RSDP_SCAN_STEP) { + /* The signature and checksum must both be correct */ + if (memcmp((char *)i, "RSD PTR ", 8)) continue; + struct acpi_rsdp_descriptor *rsdp = (struct acpi_rsdp_descriptor *)i; + /* Signature matches, check the appropriate checksum */ + if (!checksum((u8 *) rsdp, (rsdp->revision < 2) ? + ACPI_RSDP_CHECKSUM_LENGTH : + ACPI_RSDP_XCHECKSUM_LENGTH)) + /* Checksum valid, we have found a valid RSDP */ + return rsdp; + } + /* Searched entire block, no RSDP was found */ + return 0; +} + +/* + * Output data + */ +static void acpi_show_data(int fd, u8 * data, int size) +{ + char buffer[256]; + int i, remain = size; + while (remain > 0) { + int len = snprintf(buffer, 256, " %04x:", size - remain); + for (i = 0; i < 16 && i < remain; i++) { + len += + snprintf(&buffer[len], 256 - len, " %02x", data[i]); + } + for (; i < 16; i++) { + len += snprintf(&buffer[len], 256 - len, " "); + } + len += snprintf(&buffer[len], 256 - len, " "); + for (i = 0; i < 16 && i < remain; i++) { + buffer[len++] = (isprint(data[i])) ? data[i] : '.'; + } + buffer[len++] = '\n'; + write(fd, buffer, len); + data += 16; + remain -= 16; + } +} + +/* + * Output ACPI table + */ +static void acpi_show_table(int fd, struct acpi_table_header *table, unsigned long addr) +{ + char buff[80]; + int len = snprintf(buff, 80, "%.4s @ %p\n", table->signature, (void *)addr); + write(fd, buff, len); + acpi_show_data(fd, (u8 *) table, table->length); + buff[0] = '\n'; + write(fd, buff, 1); +} + +static void write_table(int fd, struct acpi_table_header *tbl, unsigned long addr) +{ + static int select_done = 0; + if (!select_sig[0]) { + if (print) { + acpi_show_table(fd, tbl, addr); + } else { + write(fd, tbl, tbl->length); + } + } else if (!select_done && !memcmp(select_sig, tbl->signature, 4)) { + if (print) { + acpi_show_table(fd, tbl, addr); + } else { + write(fd, tbl, tbl->length); + } + select_done = 1; + } +} + +static void acpi_dump_FADT(int fd, struct acpi_table_header *tbl, unsigned long xaddr) { + struct acpi_fadt_descriptor x; + unsigned long addr; + size_t len = sizeof(struct acpi_fadt_descriptor); + if (len > tbl->length) len = tbl->length; + memcpy(&x, tbl, len); + x.header.length = len; + if (checksum((u8 *)tbl, len)) { + fprintf(stderr, "Wrong checksum for FADT!\n"); + } + if (x.header.length >= 148 && x.Xdsdt) { + addr = (unsigned long)x.Xdsdt; + if (connect) { + x.Xdsdt = lseek(fd, 0, SEEK_CUR); + } + } else if (x.header.length >= 44 && x.dsdt) { + addr = (unsigned long)x.dsdt; + if (connect) { + x.dsdt = lseek(fd, 0, SEEK_CUR); + } + } else { + fprintf(stderr, "No DSDT in FADT!\n"); + goto no_dsdt; + } + tbl = acpi_map_table(addr, DSDT_SIG); + if (!tbl) goto no_dsdt; + if (checksum((u8 *)tbl, tbl->length)) + fprintf(stderr, "Wrong checksum for DSDT!\n"); + write_table(fd, tbl, addr); + acpi_unmap_table(tbl); +no_dsdt: + if (x.header.length >= 140 && x.xfirmware_ctrl) { + addr = (unsigned long)x.xfirmware_ctrl; + if (connect) { + x.xfirmware_ctrl = lseek(fd, 0, SEEK_CUR); + } + } else if (x.header.length >= 40 && x.firmware_ctrl) { + addr = (unsigned long)x.firmware_ctrl; + if (connect) { + x.firmware_ctrl = lseek(fd, 0, SEEK_CUR); + } + } else { + fprintf(stderr, "No FACS in FADT!\n"); + goto no_facs; + } + tbl = acpi_map_table(addr, FACS_SIG); + if (!tbl) goto no_facs; + /* do not checksum FACS */ + write_table(fd, tbl, addr); + acpi_unmap_table(tbl); +no_facs: + write_table(fd, (struct acpi_table_header *)&x, xaddr); +} + +static int acpi_dump_SDT(int fd, struct acpi_rsdp_descriptor *rsdp) +{ + struct acpi_table_header *tbl = 0; + int xsdt = 1; + 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; + struct acpi_table_header *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"); + int i, num = (sdt->length - sizeof(struct acpi_table_header))/((xsdt)?sizeof(u64):sizeof(u32)); + char *offset = (char *)sdt + sizeof(struct acpi_table_header); + unsigned long addr; + for (i = 0; i < num; ++i, offset += ((xsdt) ? sizeof(u64) : sizeof(u32))) { + addr = (xsdt) ? (unsigned long)(*(u64 *)offset): + (unsigned long)(*(u32 *)offset); + 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 generic table!\n"); + 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; + if (connect) { + rsdp->xsdt_physical_address = lseek(fd, 0, SEEK_CUR); + } + } else { + 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 void usage(const char *progname) +{ + puts("Usage:"); + printf("%s [--addr 0x1234][--table DSDT][--output filename]" + "[--binary][--length 0x456][--help]\n", progname); + puts("\t--addr 0x1234 or -a 0x1234 -- look for tables at this physical address"); + puts("\t--table DSDT or -t DSDT -- only dump table with DSDT signature"); + puts("\t--output filename or -o filename -- redirect output from stdin to filename"); + puts("\t--binary or -b -- dump data in binary form rather than in hex-dump format"); + puts("\t--length 0x456 or -l 0x456 -- works only with --addr, dump physical memory" + "\n\t\tregion without trying to understand it's contents"); + puts("\t--help or -h -- this help message"); + exit(0); +} + +int main(int argc, char **argv) +{ + memset(select_sig, 0, 4); + print = 1; + connect = 0; + char *filename = 0; + addr = length = 0; + while (1) { + int option_index = 0; + static struct option long_options[] = { + {"addr", 1, 0, 0}, + {"table", 1, 0, 0}, + {"output", 1, 0, 0}, + {"binary", 0, 0, 0}, + {"length", 1, 0, 0}, + {"help", 0, 0, 0}, + {0, 0, 0, 0} + }; + int c = getopt_long(argc, argv, "a:t:o:bl:h", + long_options, &option_index); + if (c == -1) + break; + + switch (c) { + case 0: + switch (option_index) { + case 0: + addr = strtoul(optarg, (char **)NULL, 16); + break; + case 1: + memcpy(select_sig, optarg, 4); + break; + case 2: + filename = optarg; + break; + case 3: + print = 0; + break; + case 4: + length = strtoul(optarg, (char **)NULL, 16); + break; + case 5: + usage(argv[0]); + exit(0); + } + break; + case 'a': + addr = strtoul(optarg, (char **)NULL, 16); + break; + case 't': + memcpy(select_sig, optarg, 4); + break; + case 'o': + filename = optarg; + break; + case 'b': + print = 0; + break; + case 'l': + length = strtoul(optarg, (char **)NULL, 16); + break; + case 'h': + usage(argv[0]); + exit(0); + default: + printf("Unknown option!\n"); + usage(argv[0]); + exit(0); + } + } + + int fd = STDOUT_FILENO; + if (filename) { + fd = creat(filename, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); + if (fd < 0) + return fd; + } + + if (!select_sig[0] && !print) { + connect = 1; + } + + psz = sysconf(_SC_PAGESIZE); + u8 *raw; + if (length && addr) { + /* We know length and address, it means we just want a memory dump */ + if (!(raw = acpi_map_memory(addr, length))) + goto not_found; + write(fd, raw, length); + acpi_unmap_memory(raw, length); + return 0; + } + + length = sizeof(struct acpi_rsdp_descriptor); + if (!addr) { + addr = read_efi_systab(); + if (!addr) { + addr = ACPI_HI_RSDP_WINDOW_BASE; + length = ACPI_HI_RSDP_WINDOW_SIZE; + } + } + + struct acpi_rsdp_descriptor rsdpx, *x = 0; + if (!(raw = acpi_map_memory(addr, length)) || + !(x = acpi_scan_for_rsdp(raw, length))) + goto not_found; + + /* Find RSDP and print all found tables */ + memcpy(&rsdpx, x, sizeof(struct acpi_rsdp_descriptor)); + acpi_unmap_memory(raw, length); + if (connect) { + lseek(fd, sizeof(struct acpi_rsdp_descriptor), SEEK_SET); + } + if (!acpi_dump_SDT(fd, &rsdpx)) + goto not_found; + if (connect) { + lseek(fd, 0, SEEK_SET); + write(fd, x, (rsdpx.revision < 2) ? + ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH); + } else if (!select_sig[0] || !memcmp("RSD PTR ", select_sig, 4)) { + char buff[80]; + addr += (long)x - (long)raw; + length = snprintf(buff, 80, "RSD PTR @ %p\n", (void *)addr); + write(fd, buff, length); + acpi_show_data(fd, (u8 *) & rsdpx, (rsdpx.revision < 2) ? + ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH); + buff[0] = '\n'; + write(fd, buff, 1); + } + return 0; +not_found: + fprintf(stderr, "ACPI tables were not found. If you know location " + "of RSD PTR table (from dmesg, etc), " + "supply it with either --addr or -a option\n"); + return 1; +} From 4f1004207ed67903c60ed6476da0cc571b19a220 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Sat, 22 Sep 2012 22:43:08 -0400 Subject: [PATCH 2/6] tools/power/acpi/acpidump: version 20060606 This is unchanged version 20060606, plus a small bit in DEFINE_ALTERNATE_TYPES to enable building with latest kernel headers. Signed-off-by: Len Brown --- tools/power/acpi/acpidump.c | 97 ++++++++++++++++++++++--------------- 1 file changed, 59 insertions(+), 38 deletions(-) diff --git a/tools/power/acpi/acpidump.c b/tools/power/acpi/acpidump.c index 3f0a9da6df9f..3bb8e820ba43 100644 --- a/tools/power/acpi/acpidump.c +++ b/tools/power/acpi/acpidump.c @@ -1,5 +1,5 @@ /* - * (c) Alexey Starikovskiy, Intel, 2005. + * (c) Alexey Starikovskiy, Intel, 2005-2006. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -77,16 +77,16 @@ static inline u8 checksum(u8 * buffer, u32 length) } static unsigned long psz, addr, length; -static int print, connect; +static int print, connect, skip; static u8 select_sig[4]; static unsigned long read_efi_systab( void ) { + char buffer[80]; + unsigned long addr; FILE *f = fopen("/sys/firmware/efi/systab", "r"); if (f) { - char buffer[80]; while (fgets(buffer, 80, f)) { - unsigned long addr; if (sscanf(buffer, "ACPI20=0x%lx", &addr) == 1) return addr; } @@ -97,13 +97,15 @@ static unsigned long read_efi_systab( void ) static u8 *acpi_map_memory(unsigned long where, unsigned length) { + unsigned long offset; + u8 *there; int fd = open("/dev/mem", O_RDONLY); if (fd < 0) { fprintf(stderr, "acpi_os_map_memory: cannot open /dev/mem\n"); exit(1); } - unsigned long offset = where % psz; - u8 *there = mmap(NULL, length + offset, PROT_READ, MAP_PRIVATE, + offset = where % psz; + there = mmap(NULL, length + offset, PROT_READ, MAP_PRIVATE, fd, where - offset); close(fd); if (there == MAP_FAILED) return 0; @@ -118,10 +120,11 @@ static void acpi_unmap_memory(u8 * there, unsigned length) static struct acpi_table_header *acpi_map_table(unsigned long where, char *sig) { + unsigned size; struct acpi_table_header *tbl = (struct acpi_table_header *) acpi_map_memory(where, sizeof(struct acpi_table_header)); if (!tbl || (sig && memcmp(sig, tbl->signature, 4))) return 0; - unsigned size = tbl->length; + size = tbl->length; acpi_unmap_memory((u8 *) tbl, sizeof(struct acpi_table_header)); return (struct acpi_table_header *)acpi_map_memory(where, size); } @@ -133,12 +136,13 @@ static void acpi_unmap_table(struct acpi_table_header *tbl) static struct acpi_rsdp_descriptor *acpi_scan_for_rsdp(u8 *begin, u32 length) { + struct acpi_rsdp_descriptor *rsdp; u8 *i, *end = begin + length; /* Search from given start address for the requested length */ for (i = begin; i < end; i += ACPI_RSDP_SCAN_STEP) { /* The signature and checksum must both be correct */ if (memcmp((char *)i, "RSD PTR ", 8)) continue; - struct acpi_rsdp_descriptor *rsdp = (struct acpi_rsdp_descriptor *)i; + rsdp = (struct acpi_rsdp_descriptor *)i; /* Signature matches, check the appropriate checksum */ if (!checksum((u8 *) rsdp, (rsdp->revision < 2) ? ACPI_RSDP_CHECKSUM_LENGTH : @@ -156,9 +160,10 @@ static struct acpi_rsdp_descriptor *acpi_scan_for_rsdp(u8 *begin, u32 length) static void acpi_show_data(int fd, u8 * data, int size) { char buffer[256]; + int len; int i, remain = size; while (remain > 0) { - int len = snprintf(buffer, 256, " %04x:", size - remain); + len = snprintf(buffer, 256, " %04x:", size - remain); for (i = 0; i < 16 && i < remain; i++) { len += snprintf(&buffer[len], 256 - len, " %02x", data[i]); @@ -200,6 +205,10 @@ static void write_table(int fd, struct acpi_table_header *tbl, unsigned long add write(fd, tbl, tbl->length); } } else if (!select_done && !memcmp(select_sig, tbl->signature, 4)) { + if (skip > 0) { + --skip; + return; + } if (print) { acpi_show_table(fd, tbl, addr); } else { @@ -265,8 +274,10 @@ no_facs: static int acpi_dump_SDT(int fd, struct acpi_rsdp_descriptor *rsdp) { - struct acpi_table_header *tbl = 0; - int xsdt = 1; + struct acpi_table_header *sdt, *tbl = 0; + int xsdt = 1, i, num; + char *offset; + unsigned long addr; if (rsdp->revision > 1 && rsdp->xsdt_physical_address) { tbl = acpi_map_table(rsdp->xsdt_physical_address, "XSDT"); } @@ -275,17 +286,17 @@ static int acpi_dump_SDT(int fd, struct acpi_rsdp_descriptor *rsdp) tbl = acpi_map_table(rsdp->rsdt_physical_address, "RSDT"); } if (!tbl) return 0; - struct acpi_table_header *sdt = malloc(tbl->length); + 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"); - int i, num = (sdt->length - sizeof(struct acpi_table_header))/((xsdt)?sizeof(u64):sizeof(u32)); - char *offset = (char *)sdt + sizeof(struct acpi_table_header); - unsigned long addr; + num = (sdt->length - sizeof(struct acpi_table_header))/((xsdt)?sizeof(u64):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); + if (!addr) continue; tbl = acpi_map_table(addr, 0); if (!tbl) continue; if (!memcmp(tbl->signature, FADT_SIG, 4)) { @@ -330,29 +341,36 @@ static void usage(const char *progname) puts("\t--binary or -b -- dump data in binary form rather than in hex-dump format"); puts("\t--length 0x456 or -l 0x456 -- works only with --addr, dump physical memory" "\n\t\tregion without trying to understand it's contents"); + puts("\t--skip 2 or -s 2 -- skip 2 tables of the given name and output only 3rd one"); puts("\t--help or -h -- this help message"); exit(0); } +static struct option long_options[] = { + {"addr", 1, 0, 0}, + {"table", 1, 0, 0}, + {"output", 1, 0, 0}, + {"binary", 0, 0, 0}, + {"length", 1, 0, 0}, + {"skip", 1, 0, 0}, + {"help", 0, 0, 0}, + {0, 0, 0, 0} +}; int main(int argc, char **argv) { + int option_index, c, fd; + u8 *raw; + struct acpi_rsdp_descriptor rsdpx, *x = 0; + char *filename = 0; + char buff[80]; memset(select_sig, 0, 4); print = 1; connect = 0; - char *filename = 0; addr = length = 0; + skip = 0; while (1) { - int option_index = 0; - static struct option long_options[] = { - {"addr", 1, 0, 0}, - {"table", 1, 0, 0}, - {"output", 1, 0, 0}, - {"binary", 0, 0, 0}, - {"length", 1, 0, 0}, - {"help", 0, 0, 0}, - {0, 0, 0, 0} - }; - int c = getopt_long(argc, argv, "a:t:o:bl:h", + option_index = 0; + c = getopt_long(argc, argv, "a:t:o:bl:s:h", long_options, &option_index); if (c == -1) break; @@ -376,6 +394,9 @@ int main(int argc, char **argv) length = strtoul(optarg, (char **)NULL, 16); break; case 5: + skip = strtoul(optarg, (char **)NULL, 10); + break; + case 6: usage(argv[0]); exit(0); } @@ -395,6 +416,9 @@ int main(int argc, char **argv) case 'l': length = strtoul(optarg, (char **)NULL, 16); break; + case 's': + skip = strtoul(optarg, (char **)NULL, 10); + break; case 'h': usage(argv[0]); exit(0); @@ -404,20 +428,19 @@ int main(int argc, char **argv) exit(0); } } - - int fd = STDOUT_FILENO; + + fd = STDOUT_FILENO; if (filename) { fd = creat(filename, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); if (fd < 0) return fd; } - + if (!select_sig[0] && !print) { connect = 1; } - + psz = sysconf(_SC_PAGESIZE); - u8 *raw; if (length && addr) { /* We know length and address, it means we just want a memory dump */ if (!(raw = acpi_map_memory(addr, length))) @@ -426,7 +449,7 @@ int main(int argc, char **argv) acpi_unmap_memory(raw, length); return 0; } - + length = sizeof(struct acpi_rsdp_descriptor); if (!addr) { addr = read_efi_systab(); @@ -435,12 +458,11 @@ int main(int argc, char **argv) length = ACPI_HI_RSDP_WINDOW_SIZE; } } - - struct acpi_rsdp_descriptor rsdpx, *x = 0; + if (!(raw = acpi_map_memory(addr, length)) || - !(x = acpi_scan_for_rsdp(raw, length))) + !(x = acpi_scan_for_rsdp(raw, length))) goto not_found; - + /* Find RSDP and print all found tables */ memcpy(&rsdpx, x, sizeof(struct acpi_rsdp_descriptor)); acpi_unmap_memory(raw, length); @@ -454,7 +476,6 @@ int main(int argc, char **argv) write(fd, x, (rsdpx.revision < 2) ? ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH); } else if (!select_sig[0] || !memcmp("RSD PTR ", select_sig, 4)) { - char buff[80]; addr += (long)x - (long)raw; length = snprintf(buff, 80, "RSD PTR @ %p\n", (void *)addr); write(fd, buff, length); From 981efe9ab9e91e13ec75836300515428a30017df Mon Sep 17 00:00:00 2001 From: Len Brown Date: Sat, 22 Sep 2012 22:49:25 -0400 Subject: [PATCH 3/6] 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: 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 faf5ff5c8f8f..dad79a69b679 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 3bb8e820ba43..8e5e19451ce1 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); From 39a55ff2c34a11ab9bbc8ba6f4dfb5d366cb2532 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Sat, 22 Sep 2012 22:52:17 -0400 Subject: [PATCH 4/6] tools/power/acpi/acpidump: version 20071116 This is unchanged version 20071116, plus a small bit in DEFINE_ALTERNATE_TYPES to enable building with latest kernel headers. Signed-off-by: Len Brown --- tools/power/acpi/acpidump.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/tools/power/acpi/acpidump.c b/tools/power/acpi/acpidump.c index 8e5e19451ce1..a63dee960311 100644 --- a/tools/power/acpi/acpidump.c +++ b/tools/power/acpi/acpidump.c @@ -540,8 +540,11 @@ int main(int argc, char **argv) if (connect) { lseek(fd, sizeof(struct acpi_rsdp_descriptor), SEEK_SET); } - if (!acpi_dump_XSDT(fd, &rsdpx)) - goto not_found; + if (rsdpx.revision > 1 && rsdpx.xsdt_physical_address) { + /* ACPIDUMP uses xsdt table */ + if (!acpi_dump_XSDT(fd, &rsdpx)) + goto not_found; + } if (!acpi_dump_RSDT(fd, &rsdpx)) goto not_found; if (connect) { From d4bb1c90c850c5163f28b1c04d16c5d85aaaf815 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Sat, 22 Sep 2012 23:09:15 -0400 Subject: [PATCH 5/6] tools/power/acpi/acpidump: version 20101221 - find dynamic tables in sysfs This is unchanged version 20101221, plus a small bit in DEFINE_ALTERNATE_TYPES to enable building with latest kernel headers. This version finds dynamic tables exported by Linux in /sys/firmware/acpi/tables/dynamic Signed-off-by: Len Brown --- tools/power/acpi/acpidump.c | 189 +++++++++++++++++------------------- 1 file changed, 90 insertions(+), 99 deletions(-) diff --git a/tools/power/acpi/acpidump.c b/tools/power/acpi/acpidump.c index a63dee960311..07779871421c 100644 --- a/tools/power/acpi/acpidump.c +++ b/tools/power/acpi/acpidump.c @@ -1,6 +1,5 @@ /* * (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 @@ -63,6 +62,8 @@ typedef long long s64; #include #include +#include +#include #include #include @@ -186,40 +187,6 @@ 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]; @@ -233,10 +200,6 @@ 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); @@ -255,7 +218,6 @@ 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) { @@ -312,26 +274,30 @@ no_facs: write_table(fd, (struct acpi_table_header *)&x, xaddr); } - -static int acpi_dump_RSDT(int fd, struct acpi_rsdp_descriptor *rsdp) +static int acpi_dump_SDT(int fd, struct acpi_rsdp_descriptor *rsdp) { struct acpi_table_header *sdt, *tbl = 0; - int i, num; + int xsdt = 1, i, num; char *offset; unsigned long addr; - - tbl = acpi_map_table(rsdp->rsdt_physical_address, "RSDT"); + 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", "RSDT"); - num = (sdt->length - sizeof(struct acpi_table_header))/sizeof(u32); + fprintf(stderr, "Wrong checksum for %s!\n", (xsdt)?"XSDT":"RSDT"); + num = (sdt->length - sizeof(struct acpi_table_header))/((xsdt)?sizeof(u64):sizeof(u32)); offset = (char *)sdt + sizeof(struct acpi_table_header); - for (i = 0; i < num; ++i, offset += sizeof(u32)) { - addr = (unsigned long)(*(u32 *)offset); + for (i = 0; i < num; ++i, offset += ((xsdt) ? sizeof(u64) : sizeof(u32))) { + addr = (xsdt) ? (unsigned long)(*(u64 *)offset): + (unsigned long)(*(u32 *)offset); if (!addr) continue; tbl = acpi_map_table(addr, 0); if (!tbl) continue; @@ -339,66 +305,92 @@ static int acpi_dump_RSDT(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 %.4s!\n", tbl->signature); + fprintf(stderr, "Wrong checksum for generic table!\n"); write_table(fd, tbl, addr); } acpi_unmap_table(tbl); if (connect) { - (*(u32*)offset) = lseek(fd, 0, SEEK_CUR); + if (xsdt) + (*(u64*)offset) = lseek(fd, 0, SEEK_CUR); + else + (*(u32*)offset) = lseek(fd, 0, SEEK_CUR); } } - addr = (unsigned long)rsdp->rsdt_physical_address; - if (connect) { - rsdp->rsdt_physical_address = 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); + } + } else { + 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; } +#define DYNAMIC_SSDT "/sys/firmware/acpi/tables/dynamic" -static int acpi_dump_XSDT(int fd, struct acpi_rsdp_descriptor *rsdp) +static void acpi_dump_dynamic_SSDT(int fd) { - 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; + struct stat file_stat; + char filename[256], *ptr; + DIR *tabledir; + struct dirent *entry; + FILE *fp; + int count, readcount, length; + struct acpi_table_header table_header, *ptable; - 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); - } - acpi_unmap_table(tbl); - if (connect) { - (*(u64*)offset) = lseek(fd, 0, SEEK_CUR); - } + if (stat(DYNAMIC_SSDT, &file_stat) == -1) { + /* The directory doesn't exist */ + return; } - addr = (unsigned long)rsdp->xsdt_physical_address; - if (connect) { - rsdp->xsdt_physical_address = lseek(fd, 0, SEEK_CUR); + tabledir = opendir(DYNAMIC_SSDT); + if(!tabledir){ + /*can't open the directory */ + return; + } + + while ((entry = readdir(tabledir)) != 0){ + /* skip the file of . /.. */ + if (entry->d_name[0] == '.') + continue; + + sprintf(filename, "%s/%s", DYNAMIC_SSDT, entry->d_name); + fp = fopen(filename, "r"); + if (fp == NULL) { + fprintf(stderr, "Can't open the file of %s\n", + filename); + continue; + } + /* Read the Table header to parse the table length */ + count = fread(&table_header, 1, sizeof(struct acpi_table_header), fp); + if (count < sizeof(table_header)) { + /* the length is lessn than ACPI table header. skip it */ + fclose(fp); + continue; + } + length = table_header.length; + ptr = malloc(table_header.length); + fseek(fp, 0, SEEK_SET); + readcount = 0; + while(!feof(fp) && readcount < length) { + count = fread(ptr + readcount, 1, 256, fp); + readcount += count; + } + fclose(fp); + ptable = (struct acpi_table_header *) ptr; + if (checksum((u8 *) ptable, ptable->length)) + fprintf(stderr, "Wrong checksum " + "for dynamic SSDT table!\n"); + write_table(fd, ptable, 0); + free(ptr); } - write_table(fd, sdt, addr); - free (sdt); - return 1; + closedir(tabledir); + return; } static void usage(const char *progname) @@ -518,6 +510,7 @@ int main(int argc, char **argv) goto not_found; write(fd, raw, length); acpi_unmap_memory(raw, length); + close(fd); return 0; } @@ -540,12 +533,7 @@ int main(int argc, char **argv) if (connect) { lseek(fd, sizeof(struct acpi_rsdp_descriptor), SEEK_SET); } - if (rsdpx.revision > 1 && rsdpx.xsdt_physical_address) { - /* ACPIDUMP uses xsdt table */ - if (!acpi_dump_XSDT(fd, &rsdpx)) - goto not_found; - } - if (!acpi_dump_RSDT(fd, &rsdpx)) + if (!acpi_dump_SDT(fd, &rsdpx)) goto not_found; if (connect) { lseek(fd, 0, SEEK_SET); @@ -560,8 +548,11 @@ int main(int argc, char **argv) buff[0] = '\n'; write(fd, buff, 1); } + acpi_dump_dynamic_SSDT(fd); + close(fd); return 0; not_found: + close(fd); fprintf(stderr, "ACPI tables were not found. If you know location " "of RSD PTR table (from dmesg, etc), " "supply it with either --addr or -a option\n"); From 0e7cc27935cda92c7a39a00791d0d4bbffeab117 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Sat, 22 Sep 2012 23:30:22 -0400 Subject: [PATCH 6/6] tools/power/acpi/acpidump: create acpidump(8), local make install targets Signed-off-by: Len Brown --- tools/power/acpi/Makefile | 4 +++ tools/power/acpi/acpidump.8 | 59 +++++++++++++++++++++++++++++++++++++ 2 files changed, 63 insertions(+) create mode 100644 tools/power/acpi/acpidump.8 diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile index dad79a69b679..6b9cf7a987c7 100644 --- a/tools/power/acpi/Makefile +++ b/tools/power/acpi/Makefile @@ -12,3 +12,7 @@ CLEANFILES= $(PROG) clean : rm -f $(CLEANFILES) $(patsubst %.c,%.o, $(SRCS)) *~ +install : + install acpidump /usr/bin/acpidump + install acpidump.8 /usr/share/man/man8 + diff --git a/tools/power/acpi/acpidump.8 b/tools/power/acpi/acpidump.8 new file mode 100644 index 000000000000..adfa99166e5e --- /dev/null +++ b/tools/power/acpi/acpidump.8 @@ -0,0 +1,59 @@ +.TH ACPIDUMP 8 +.SH NAME +acpidump \- Dump system's ACPI tables to an ASCII file. +.SH SYNOPSIS +.ft B +.B acpidump > acpidump.out +.SH DESCRIPTION +\fBacpidump \fP dumps the systems ACPI tables to an ASCII file +appropriate for attaching to a bug report. + +Subsequently, they can be processed by utilities in the ACPICA package. +.SS Options +no options worth worrying about. +.PP +.SH EXAMPLE + +.nf +# acpidump > acpidump.out + +$ acpixtract -a acpidump.out + Acpi table [DSDT] - 15974 bytes written to DSDT.dat + Acpi table [FACS] - 64 bytes written to FACS.dat + Acpi table [FACP] - 116 bytes written to FACP.dat + Acpi table [APIC] - 120 bytes written to APIC.dat + Acpi table [MCFG] - 60 bytes written to MCFG.dat + Acpi table [SSDT] - 444 bytes written to SSDT1.dat + Acpi table [SSDT] - 439 bytes written to SSDT2.dat + Acpi table [SSDT] - 439 bytes written to SSDT3.dat + Acpi table [SSDT] - 439 bytes written to SSDT4.dat + Acpi table [SSDT] - 439 bytes written to SSDT5.dat + Acpi table [RSDT] - 76 bytes written to RSDT.dat + Acpi table [RSDP] - 20 bytes written to RSDP.dat + +$ iasl -d *.dat +... +.fi +creates *.dsl, a human readable form which can be edited +and compiled using iasl. + + +.SH NOTES + +.B "acpidump " +must be run as root. + +.SH REFERENCES +ACPICA: https://acpica.org/ + +.SH FILES +.ta +.nf +/dev/mem +/sys/firmware/acpi/tables/dynamic/* +.fi + +.PP +.SH AUTHOR +.nf +Written by Len Brown