Modify acpidump to use iasl(8) as the backend for disassembling AML.
Also clean up the output of dumped tables. Update the man page for the new usage. Make WARNS=6 clean.
This commit is contained in:
Nate Lawson
parent
fccf82902d
commit
945137d9b4
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=119515
@ -1,13 +1,8 @@
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# $Id: Makefile,v 1.2 2000/07/14 18:16:29 iwasaki Exp $
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# $FreeBSD$
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PROG= acpidump
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MAN= acpidump.8
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SRCS= acpi.c acpi_user.c asl_dump.c aml_dump.c acpidump.c
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SRCS+= aml_parse.c aml_name.c aml_amlmem.c aml_memman.c aml_store.c \
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aml_obj.c aml_evalobj.c aml_common.c
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CFLAGS+= -I${.CURDIR}/../amldb
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SRCS= acpi.c acpi_user.c acpidump.c
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WARNS?= 6
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.include <bsd.prog.mk>
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.PATH: ${.CURDIR}/../amldb/aml
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@ -24,62 +24,44 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: acpi.c,v 1.4 2000/08/09 14:47:52 iwasaki Exp $
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <assert.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "acpidump.h"
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#include "aml/aml_env.h"
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#include "aml/aml_common.h"
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#define BEGIN_COMMENT "/*\n"
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#define END_COMMENT " */\n"
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struct ACPIsdt dsdt_header = {
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"DSDT", 0, 1, 0, "OEMID", "OEMTBLID", 0x12345678, "CRTR", 0x12345678
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};
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static void
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acpi_trim_string(char *s, size_t length)
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{
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/* Trim trailing spaces and NULLs */
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while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0'))
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s[length-- - 1] = '\0';
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}
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static void
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acpi_print_dsdt_definition(void)
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{
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char oemid[6 + 1];
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char oemtblid[8 + 1];
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acpi_trim_string(dsdt_header.oemid, 6);
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acpi_trim_string(dsdt_header.oemtblid, 8);
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strncpy(oemid, dsdt_header.oemid, 6);
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oemid[6] = '\0';
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strncpy(oemtblid, dsdt_header.oemtblid, 8);
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oemtblid[8] = '\0';
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printf("DefinitionBlock (\n"
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" \"acpi_dsdt.aml\", //Output filename\n"
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" \"DSDT\", //Signature\n"
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" 0x%x, //DSDT Revision\n"
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" \"%s\", //OEMID\n"
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" \"%s\", //TABLE ID\n"
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" 0x%x //OEM Revision\n)\n",
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dsdt_header.rev, oemid, oemtblid, dsdt_header.oemrev);
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}
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static void acpi_print_string(char *s, size_t length);
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static void acpi_handle_facp(struct FACPbody *facp);
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static void acpi_print_cpu(u_char cpu_id);
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static void acpi_print_local_apic(u_char cpu_id, u_char apic_id,
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u_int32_t flags);
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static void acpi_print_io_apic(u_char apic_id, u_int32_t int_base,
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u_int64_t apic_addr);
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static void acpi_print_mps_flags(u_int16_t flags);
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static void acpi_print_intr(u_int32_t intr, u_int16_t mps_flags);
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static void acpi_print_apic(struct MADT_APIC *mp);
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static void acpi_handle_apic(struct ACPIsdt *sdp);
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static void acpi_handle_hpet(struct ACPIsdt *sdp);
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static void acpi_print_sdt(struct ACPIsdt *sdp, int endcomment);
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static void acpi_print_facp(struct FACPbody *facp);
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static void acpi_print_dsdt(struct ACPIsdt *dsdp);
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static struct ACPIsdt *
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acpi_map_sdt(vm_offset_t pa);
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static void acpi_print_rsd_ptr(struct ACPIrsdp *rp);
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static void acpi_handle_rsdt(struct ACPIsdt *rsdp);
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static void
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acpi_print_string(char *s, size_t length)
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@ -96,30 +78,16 @@ acpi_print_string(char *s, size_t length)
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}
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}
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static void
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acpi_handle_dsdt(struct ACPIsdt *dsdp)
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{
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u_int8_t *dp;
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u_int8_t *end;
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acpi_print_dsdt(dsdp);
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dp = (u_int8_t *)dsdp->body;
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end = (u_int8_t *)dsdp + dsdp->len;
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acpi_dump_dsdt(dp, end);
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}
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static void
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acpi_handle_facp(struct FACPbody *facp)
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{
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struct ACPIsdt *dsdp;
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acpi_print_facp(facp);
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dsdp = (struct ACPIsdt *) acpi_map_sdt(facp->dsdt_ptr);
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dsdp = (struct ACPIsdt *)acpi_map_sdt(facp->dsdt_ptr);
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if (acpi_checksum(dsdp, dsdp->len))
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errx(1, "DSDT is corrupt\n");
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acpi_handle_dsdt(dsdp);
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aml_dump(dsdp);
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errx(1, "DSDT is corrupt");
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acpi_print_dsdt(dsdp);
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}
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static void
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@ -149,17 +117,9 @@ acpi_print_local_apic(u_char cpu_id, u_char apic_id, u_int32_t flags)
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static void
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acpi_print_io_apic(u_char apic_id, u_int32_t int_base, u_int64_t apic_addr)
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{
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u_int addr_hi;
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printf("\tAPIC ID=%d\n", (u_int)apic_id);
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printf("\tINT BASE=%d\n", int_base);
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printf("\tADDR=0x");
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addr_hi = apic_addr >> 32;
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if (addr_hi != 0) {
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printf("%08x", addr_hi);
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apic_addr &= 0xffffffff;
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}
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printf("%08x\n", (u_int)apic_addr);
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printf("\tADDR=0x%016jx\n", apic_addr);
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}
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static void
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@ -242,9 +202,8 @@ acpi_print_apic(struct MADT_APIC *mp)
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acpi_print_mps_flags(mp->body.local_nmi.mps_flags);
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break;
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case ACPI_MADT_APIC_TYPE_LOCAL_OVERRIDE:
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printf("\tLocal APIC ADDR=0x%08x%08x\n",
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(u_int)(mp->body.local_apic_override.apic_addr >> 32),
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(u_int)(mp->body.local_apic_override.apic_addr & 0xffffffff));
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printf("\tLocal APIC ADDR=0x%016jx\n",
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mp->body.local_apic_override.apic_addr);
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break;
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case ACPI_MADT_APIC_TYPE_IO_SAPIC:
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acpi_print_io_apic(mp->body.io_sapic.apic_id,
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@ -268,6 +227,7 @@ acpi_print_apic(struct MADT_APIC *mp)
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break;
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default:
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printf("\tUnknown type %d\n", (u_int)mp->type);
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break;
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}
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}
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@ -277,15 +237,14 @@ acpi_handle_apic(struct ACPIsdt *sdp)
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struct MADTbody *madtp;
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struct MADT_APIC *madt_apicp;
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acpi_print_sdt(sdp);
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acpi_print_sdt(sdp, /*endcomment*/0);
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madtp = (struct MADTbody *) sdp->body;
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printf(BEGIN_COMMENT);
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printf("\tLocal APIC ADDR=0x%08x\n", madtp->lapic_addr);
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printf("\tFlags={");
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if (madtp->flags & ACPI_APIC_FLAG_PCAT_COMPAT)
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printf("PC-AT");
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printf("}\n");
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madt_apicp = (struct MADT_APIC *) madtp->body;
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madt_apicp = (struct MADT_APIC *)madtp->body;
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while (((uintptr_t)madt_apicp) - ((uintptr_t)sdp) < sdp->len) {
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printf("\n");
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acpi_print_apic(madt_apicp);
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@ -300,9 +259,8 @@ acpi_handle_hpet(struct ACPIsdt *sdp)
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{
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struct HPETbody *hpetp;
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acpi_print_sdt(sdp);
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acpi_print_sdt(sdp, /*endcomment*/0);
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hpetp = (struct HPETbody *) sdp->body;
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printf(BEGIN_COMMENT);
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printf("\tHPET Number=%d\n", hpetp->hpet_number);
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printf("\tADDR=0x%08x\n", hpetp->base_addr);
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printf("\tHW Rev=0x%x\n", hpetp->block_hwrev);
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@ -319,58 +277,9 @@ acpi_handle_hpet(struct ACPIsdt *sdp)
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}
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static void
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init_namespace()
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acpi_print_sdt(struct ACPIsdt *sdp, int endcomment)
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{
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struct aml_environ env;
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struct aml_name *newname;
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aml_new_name_group(AML_NAME_GROUP_OS_DEFINED);
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env.curname = aml_get_rootname();
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newname = aml_create_name(&env, "\\_OS_");
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newname->property = aml_alloc_object(aml_t_string, NULL);
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newname->property->str.needfree = 0;
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newname->property->str.string = "Microsoft Windows NT";
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}
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/*
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* Public interfaces
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*/
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void
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acpi_dump_dsdt(u_int8_t *dp, u_int8_t *end)
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{
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extern struct aml_environ asl_env;
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acpi_print_dsdt_definition();
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/* 1st stage: parse only w/o printing */
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init_namespace();
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aml_new_name_group((int)dp);
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bzero(&asl_env, sizeof(asl_env));
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asl_env.dp = dp;
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asl_env.end = end;
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asl_env.curname = aml_get_rootname();
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aml_local_stack_push(aml_local_stack_create());
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aml_parse_objectlist(&asl_env, 0);
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aml_local_stack_delete(aml_local_stack_pop());
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assert(asl_env.dp == asl_env.end);
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asl_env.dp = dp;
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/* 2nd stage: dump whole object list */
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printf("\n{\n");
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asl_dump_objectlist(&dp, end, 0);
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printf("\n}\n");
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assert(dp == end);
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}
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void
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acpi_print_sdt(struct ACPIsdt *sdp)
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{
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printf(BEGIN_COMMENT);
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printf(BEGIN_COMMENT " ");
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acpi_print_string(sdp->signature, 4);
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printf(": Length=%d, Revision=%d, Checksum=%d,\n",
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sdp->len, sdp->rev, sdp->check);
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@ -382,20 +291,17 @@ acpi_print_sdt(struct ACPIsdt *sdp)
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printf("\tCreator ID=");
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acpi_print_string(sdp->creator, 4);
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printf(", Creator Revision=0x%x\n", sdp->crerev);
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printf(END_COMMENT);
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if (!memcmp(sdp->signature, "DSDT", 4)) {
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memcpy(&dsdt_header, sdp, sizeof(dsdt_header));
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}
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if (endcomment)
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printf(END_COMMENT);
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}
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void
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static void
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acpi_print_rsdt(struct ACPIsdt *rsdp)
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{
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int i, entries;
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acpi_print_sdt(rsdp);
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acpi_print_sdt(rsdp, /*endcomment*/0);
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entries = (rsdp->len - SIZEOF_SDT_HDR) / sizeof(u_int32_t);
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printf(BEGIN_COMMENT);
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printf("\tEntries={ ");
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for (i = 0; i < entries; i++) {
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if (i > 0)
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@ -406,13 +312,13 @@ acpi_print_rsdt(struct ACPIsdt *rsdp)
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printf(END_COMMENT);
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}
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void
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static void
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acpi_print_facp(struct FACPbody *facp)
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{
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char sep;
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printf(BEGIN_COMMENT);
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printf("\tDSDT=0x%x\n", facp->dsdt_ptr);
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printf(" FACP:\tDSDT=0x%x\n", facp->dsdt_ptr);
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printf("\tINT_MODEL=%s\n", facp->int_model ? "APIC" : "PIC");
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printf("\tSCI_INT=%d\n", facp->sci_int);
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printf("\tSMI_CMD=0x%x, ", facp->smi_cmd);
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@ -486,11 +392,10 @@ acpi_print_facp(struct FACPbody *facp)
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printf(END_COMMENT);
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}
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void
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static void
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acpi_print_dsdt(struct ACPIsdt *dsdp)
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{
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acpi_print_sdt(dsdp);
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acpi_print_sdt(dsdp, /*endcomment*/1);
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}
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int
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@ -507,7 +412,7 @@ acpi_checksum(void *p, size_t length)
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return (sum);
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}
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struct ACPIsdt *
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static struct ACPIsdt *
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acpi_map_sdt(vm_offset_t pa)
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{
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struct ACPIsdt *sp;
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@ -517,18 +422,18 @@ acpi_map_sdt(vm_offset_t pa)
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return (sp);
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}
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void
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static void
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acpi_print_rsd_ptr(struct ACPIrsdp *rp)
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{
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printf(BEGIN_COMMENT);
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printf("RSD PTR: Checksum=%d, OEMID=", rp->sum);
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printf(" RSD PTR: Checksum=%d, OEMID=", rp->sum);
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acpi_print_string(rp->oem, 6);
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printf(", RsdtAddress=0x%08x\n", rp->rsdt_addr);
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printf(END_COMMENT);
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}
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void
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static void
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acpi_handle_rsdt(struct ACPIsdt *rsdp)
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{
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int i;
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@ -538,100 +443,134 @@ acpi_handle_rsdt(struct ACPIsdt *rsdp)
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entries = (rsdp->len - SIZEOF_SDT_HDR) / sizeof(u_int32_t);
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acpi_print_rsdt(rsdp);
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for (i = 0; i < entries; i++) {
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sdp = (struct ACPIsdt *) acpi_map_sdt(rsdp->body[i]);
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sdp = (struct ACPIsdt *)acpi_map_sdt(rsdp->body[i]);
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if (acpi_checksum(sdp, sdp->len))
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errx(1, "RSDT entry %d is corrupt\n", i);
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if (!memcmp(sdp->signature, "FACP", 4)) {
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errx(1, "RSDT entry %d is corrupt", i);
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if (!memcmp(sdp->signature, "FACP", 4))
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acpi_handle_facp((struct FACPbody *) sdp->body);
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} else if (!memcmp(sdp->signature, "APIC", 4)) {
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else if (!memcmp(sdp->signature, "APIC", 4))
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acpi_handle_apic(sdp);
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} else if (!memcmp(sdp->signature, "HPET", 4)) {
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else if (!memcmp(sdp->signature, "HPET", 4))
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acpi_handle_hpet(sdp);
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} else {
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acpi_print_sdt(sdp);
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}
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else
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acpi_print_sdt(sdp, /*endcomment*/1);
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}
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}
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/*
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* Dummy functions
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*/
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struct ACPIsdt *
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sdt_load_devmem()
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{
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struct ACPIrsdp *rp;
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struct ACPIsdt *rsdp;
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rp = acpi_find_rsd_ptr();
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if (!rp)
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errx(1, "Can't find ACPI information");
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if (tflag)
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acpi_print_rsd_ptr(rp);
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rsdp = (struct ACPIsdt *)acpi_map_sdt(rp->rsdt_addr);
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if (memcmp(rsdp->signature, "RSDT", 4) != 0 ||
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acpi_checksum(rsdp, rsdp->len) != 0)
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errx(1, "RSDT is corrupted");
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return (rsdp);
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}
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void
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aml_dbgr(struct aml_environ *env1, struct aml_environ *env2)
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dsdt_save_file(char *outfile, struct ACPIsdt *dsdp)
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{
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/* do nothing */
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int fd;
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mode_t mode;
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assert(outfile != NULL);
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mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
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fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC, mode);
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if (fd == -1) {
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perror("dsdt_save_file");
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return;
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}
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write(fd, dsdp, SIZEOF_SDT_HDR);
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write(fd, dsdp->body, dsdp->len - SIZEOF_SDT_HDR);
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close(fd);
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}
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int
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aml_region_read_simple(struct aml_region_handle *h, vm_offset_t offset,
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u_int32_t *valuep)
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void
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aml_disassemble(struct ACPIsdt *dsdp)
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{
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return (0);
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char tmpstr[32], buf[256];
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FILE *fp;
|
||||
int fd, len;
|
||||
|
||||
strcpy(tmpstr, "/tmp/acpidump.XXXXXX");
|
||||
fd = mkstemp(tmpstr);
|
||||
if (fd < 0) {
|
||||
perror("iasl tmp file");
|
||||
return;
|
||||
}
|
||||
|
||||
/* Dump DSDT to the temp file */
|
||||
write(fd, dsdp, SIZEOF_SDT_HDR);
|
||||
write(fd, dsdp->body, dsdp->len - SIZEOF_SDT_HDR);
|
||||
close(fd);
|
||||
|
||||
/* Run iasl -d on the temp file */
|
||||
if (fork() == 0) {
|
||||
close(STDOUT_FILENO);
|
||||
if (vflag == 0)
|
||||
close(STDERR_FILENO);
|
||||
execl("/usr/sbin/iasl", "iasl", "-d", tmpstr, 0);
|
||||
err(1, "exec");
|
||||
}
|
||||
|
||||
wait(NULL);
|
||||
unlink(tmpstr);
|
||||
|
||||
/* Dump iasl's output to stdout */
|
||||
fp = fopen("acpidump.dsl", "r");
|
||||
unlink("acpidump.dsl");
|
||||
if (fp == NULL) {
|
||||
perror("iasl tmp file (read)");
|
||||
return;
|
||||
}
|
||||
while ((len = fread(buf, 1, sizeof(buf), fp)) > 0)
|
||||
fwrite(buf, 1, len, stdout);
|
||||
fclose(fp);
|
||||
}
|
||||
|
||||
int
|
||||
aml_region_write_simple(struct aml_region_handle *h, vm_offset_t offset,
|
||||
u_int32_t value)
|
||||
void
|
||||
sdt_print_all(struct ACPIsdt *rsdp)
|
||||
{
|
||||
return (0);
|
||||
acpi_handle_rsdt(rsdp);
|
||||
}
|
||||
|
||||
u_int32_t
|
||||
aml_region_prompt_read(struct aml_region_handle *h, u_int32_t value)
|
||||
/* Fetch a table matching the given signature via the RSDT */
|
||||
struct ACPIsdt *
|
||||
sdt_from_rsdt(struct ACPIsdt *rsdt, const char *sig)
|
||||
{
|
||||
return (0);
|
||||
int i;
|
||||
int entries;
|
||||
struct ACPIsdt *sdt;
|
||||
|
||||
entries = (rsdt->len - SIZEOF_SDT_HDR) / sizeof(uint32_t);
|
||||
for (i = 0; i < entries; i++) {
|
||||
sdt = (struct ACPIsdt *)acpi_map_sdt(rsdt->body[i]);
|
||||
if (acpi_checksum(sdt, sdt->len))
|
||||
errx(1, "RSDT entry %d is corrupt", i);
|
||||
if (!memcmp(sdt->signature, sig, strlen(sig)))
|
||||
return (sdt);
|
||||
}
|
||||
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
u_int32_t
|
||||
aml_region_prompt_write(struct aml_region_handle *h, u_int32_t value)
|
||||
struct ACPIsdt *
|
||||
dsdt_from_facp(struct FACPbody *facp)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
struct ACPIsdt *sdt;
|
||||
|
||||
int
|
||||
aml_region_prompt_update_value(u_int32_t orgval, u_int32_t value,
|
||||
struct aml_region_handle *h)
|
||||
{
|
||||
return (0);
|
||||
sdt = (struct ACPIsdt *)acpi_map_sdt(facp->dsdt_ptr);
|
||||
if (acpi_checksum(sdt, sdt->len))
|
||||
errx(1, "DSDT is corrupt\n");
|
||||
return (sdt);
|
||||
}
|
||||
|
||||
u_int32_t
|
||||
aml_region_read(struct aml_environ *env, int regtype, u_int32_t flags,
|
||||
u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
aml_region_write(struct aml_environ *env, int regtype, u_int32_t flags,
|
||||
u_int32_t value, u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
aml_region_write_from_buffer(struct aml_environ *env, int regtype,
|
||||
u_int32_t flags, u_int8_t *buffer, u_int32_t addr, u_int32_t bitoffset,
|
||||
u_int32_t bitlen)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
aml_region_bcopy(struct aml_environ *env, int regtype, u_int32_t flags,
|
||||
u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen,
|
||||
u_int32_t dflags, u_int32_t daddr,
|
||||
u_int32_t dbitoffset, u_int32_t dbitlen)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
aml_region_read_into_buffer(struct aml_environ *env, int regtype,
|
||||
u_int32_t flags, u_int32_t addr, u_int32_t bitoffset,
|
||||
u_int32_t bitlen, u_int8_t *buffer)
|
||||
{
|
||||
return (0);
|
||||
}
|
||||
|
||||
|
||||
@ -24,7 +24,6 @@
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $Id: acpi_user.c,v 1.5 2000/08/09 14:47:52 iwasaki Exp $
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
@ -32,6 +31,7 @@
|
||||
#include <sys/mman.h>
|
||||
#include <sys/queue.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/sysctl.h>
|
||||
|
||||
#include <err.h>
|
||||
#include <fcntl.h>
|
||||
@ -41,8 +41,7 @@
|
||||
|
||||
#include "acpidump.h"
|
||||
|
||||
static char machdep_acpi_root[] = "machdep.acpi_root";
|
||||
|
||||
static char machdep_acpi_root[] = "machdep.acpi_root";
|
||||
static int acpi_mem_fd = -1;
|
||||
|
||||
struct acpi_user_mapping {
|
||||
@ -55,7 +54,7 @@ struct acpi_user_mapping {
|
||||
LIST_HEAD(acpi_user_mapping_list, acpi_user_mapping) maplist;
|
||||
|
||||
static void
|
||||
acpi_user_init()
|
||||
acpi_user_init(void)
|
||||
{
|
||||
|
||||
if (acpi_mem_fd == -1) {
|
||||
@ -96,31 +95,32 @@ acpi_user_find_mapping(vm_offset_t pa, size_t size)
|
||||
/*
|
||||
* Public interfaces
|
||||
*/
|
||||
|
||||
struct ACPIrsdp *
|
||||
acpi_find_rsd_ptr()
|
||||
{
|
||||
struct ACPIrsdp rsdp;
|
||||
u_long addr;
|
||||
int len;
|
||||
size_t len;
|
||||
|
||||
acpi_user_init();
|
||||
|
||||
/* Attempt to use sysctl to find RSD PTR record */
|
||||
len = sizeof(addr);
|
||||
if (sysctlbyname(machdep_acpi_root, &addr, &len, NULL, 0) == 0) {
|
||||
pread(acpi_mem_fd, &rsdp, sizeof(rsdp), addr);
|
||||
if (memcmp(rsdp.signature, "RSD PTR ", 8))
|
||||
errx(1, "sysctl %s does not point to RSDP\n",
|
||||
machdep_acpi_root);
|
||||
if (memcmp(rsdp.signature, "RSD PTR ", 8) != 0)
|
||||
errx(1, "sysctl %s does not point to RSDP",
|
||||
machdep_acpi_root);
|
||||
len = 20; /* size of ACPI 1.0 table */
|
||||
if (acpi_checksum(&rsdp, len))
|
||||
warnx("RSDP has invalid checksum\n");
|
||||
warnx("RSDP has invalid checksum");
|
||||
if (rsdp.revision > 0)
|
||||
len = rsdp.length;
|
||||
return (acpi_map_physical(addr, len));
|
||||
}
|
||||
|
||||
#if !defined(__ia64__)
|
||||
#if !defined(__ia64__) && !defined(__amd64__)
|
||||
/* On ia32, scan physical memory for RSD PTR if above failed */
|
||||
for (addr = 0UL; addr < 1024UL * 1024UL; addr += 16UL) {
|
||||
pread(acpi_mem_fd, &rsdp, 8, addr);
|
||||
if (memcmp(rsdp.signature, "RSD PTR ", 8))
|
||||
@ -148,35 +148,28 @@ acpi_map_physical(vm_offset_t pa, size_t size)
|
||||
return (map->va + (pa - map->pa));
|
||||
}
|
||||
|
||||
void
|
||||
acpi_load_dsdt(char *dumpfile, u_int8_t **dpp, u_int8_t **endp)
|
||||
struct ACPIsdt *
|
||||
dsdt_load_file(char *infile)
|
||||
{
|
||||
u_int8_t *dp;
|
||||
u_int8_t *end;
|
||||
struct stat sb;
|
||||
struct ACPIsdt *sdt;
|
||||
uint8_t *dp;
|
||||
struct stat sb;
|
||||
|
||||
if ((acpi_mem_fd = open(dumpfile, O_RDONLY)) == -1) {
|
||||
errx(1, "opening %s\n", dumpfile);
|
||||
}
|
||||
if ((acpi_mem_fd = open(infile, O_RDONLY)) == -1)
|
||||
errx(1, "opening %s", infile);
|
||||
|
||||
LIST_INIT(&maplist);
|
||||
|
||||
if (fstat(acpi_mem_fd, &sb) == -1) {
|
||||
errx(1, "fstat %s\n", dumpfile);
|
||||
}
|
||||
if (fstat(acpi_mem_fd, &sb) == -1)
|
||||
errx(1, "fstat %s", infile);
|
||||
|
||||
dp = mmap(0, sb.st_size, PROT_READ, MAP_PRIVATE, acpi_mem_fd, 0);
|
||||
if (dp == NULL) {
|
||||
errx(1, "mmap %s\n", dumpfile);
|
||||
}
|
||||
if (dp == NULL)
|
||||
errx(1, "mmap %s", infile);
|
||||
|
||||
if (strncmp(dp, "DSDT", 4) == 0) {
|
||||
memcpy(&dsdt_header, dp, SIZEOF_SDT_HDR);
|
||||
dp += SIZEOF_SDT_HDR;
|
||||
sb.st_size -= SIZEOF_SDT_HDR;
|
||||
}
|
||||
sdt = (struct ACPIsdt *)dp;
|
||||
if (strncmp(dp, "DSDT", 4) != 0 || acpi_checksum(sdt, sdt->len) != 0)
|
||||
return (NULL);
|
||||
|
||||
end = (u_int8_t *) dp + sb.st_size;
|
||||
*dpp = dp;
|
||||
*endp = end;
|
||||
return (sdt);
|
||||
}
|
||||
|
||||
@ -34,47 +34,45 @@
|
||||
.Os
|
||||
.Sh NAME
|
||||
.Nm acpidump
|
||||
.Nd dump ACPI tables
|
||||
.Nd dump ACPI tables and ASL
|
||||
.Sh SYNOPSIS
|
||||
.Nm
|
||||
.Op Fl r
|
||||
.Nm
|
||||
.Op Fl r
|
||||
.Op Fl o Ar dsdt_file_for_output
|
||||
.Nm
|
||||
.Op Fl r
|
||||
.Op Fl f Ar dsdt_file_for_input
|
||||
.Op Fl d
|
||||
.Op Fl t
|
||||
.Op Fl h
|
||||
.Op Fl v
|
||||
.Op Fl f Ar dsdt_input
|
||||
.Op Fl o Ar dsdt_output
|
||||
.Sh DESCRIPTION
|
||||
The
|
||||
.Nm
|
||||
utility analyzes ACPI tables in physical memory and dumps them to
|
||||
standard output.
|
||||
utility analyzes ACPI tables in physical memory and can dump them to a file.
|
||||
In addition,
|
||||
.Nm
|
||||
can disassemble AML
|
||||
can call
|
||||
.Xr iasl 8
|
||||
to disassemble AML
|
||||
(ACPI Machine Language)
|
||||
found in these tables and dump them as ASL
|
||||
(ACPI Source Language).
|
||||
(ACPI Source Language)
|
||||
to stdout.
|
||||
.Pp
|
||||
ACPI tables have an essential data block (the DSDT,
|
||||
Differentiated System Description Table),
|
||||
Differentiated System Description Table)
|
||||
that includes information used on the kernel side such as
|
||||
detailed information about PnP hardware, procedures for controlling
|
||||
power management support and so on.
|
||||
power management support, and so on.
|
||||
The
|
||||
.Nm
|
||||
utility can extract the DSDT data block from physical memory and store it into
|
||||
a DSDT data file, and also can generate an output in ASL
|
||||
from a given DSDT data file.
|
||||
a DSDT output file and optionally also disassemble it.
|
||||
.Pp
|
||||
When
|
||||
.Nm
|
||||
is invoked without the
|
||||
.Fl f
|
||||
option, it will read ACPI tables from physical
|
||||
memory via a special file
|
||||
.Pa /dev/mem
|
||||
and dump them.
|
||||
option, it will read ACPI tables from physical memory via
|
||||
.Pa /dev/mem .
|
||||
First it searches for the RSDP
|
||||
(Root System Description Pointer),
|
||||
which has the signature
|
||||
@ -89,65 +87,74 @@ called SDTs
|
||||
and their header has a common format which consists of items
|
||||
such as Signature, Length, Revision, Checksum, OEMID, OEM Table ID,
|
||||
OEM Revision, Creator ID and Creator Revision.
|
||||
The
|
||||
When invoked with the
|
||||
.Fl t
|
||||
flag, the
|
||||
.Nm
|
||||
utility dumps contents of these SDTs.
|
||||
For further information about formats of each table,
|
||||
see chapter 5:
|
||||
.Dq ACPI Software Programming Model
|
||||
from the ACPI specifications referenced below.
|
||||
utility dumps contents of the following tables:
|
||||
.Pp
|
||||
There is always a pointer to a physical memory address in RSDT for FACP
|
||||
.Bl -tag -offset indent -width 12345 -compact
|
||||
.It DSDT
|
||||
.It FADT
|
||||
.It HPET
|
||||
.It MADT
|
||||
.It RSD PTR
|
||||
.It RSDT
|
||||
.El
|
||||
.Pp
|
||||
The RSDT contains a pointer to the physical memory address of the FACP
|
||||
(Fixed ACPI Description Table).
|
||||
The FACP defines static system information about power management support
|
||||
(ACPI Hardware Register Implementation)
|
||||
such as interrupt mode
|
||||
(INT_MODEL),
|
||||
SCI interrupt number, SMI command port
|
||||
(SMI_CMD)
|
||||
and location of ACPI registers.
|
||||
The FACP also has a pointer to a physical memory address for DSDT,
|
||||
which includes information used on the kernel side such as
|
||||
PnP, power management support and so on.
|
||||
While the other tables are described in fixed format,
|
||||
the DSDT consists of AML data which is compiled from sources
|
||||
written in free formated ASL, which is the description language for ACPI.
|
||||
When
|
||||
.Nm
|
||||
outputs DSDT, it disassembles the AML data and
|
||||
formats it as ASL.
|
||||
such as interrupt mode (INT_MODEL),
|
||||
SCI interrupt number, SMI command port (SMI_CMD)
|
||||
and the location of ACPI registers.
|
||||
The FACP also has a pointer to a physical memory address for the DSDT.
|
||||
While the other tables are fixed format,
|
||||
the DSDT consists of free-formatted AML data.
|
||||
.Sh OPTIONS
|
||||
The following options are supported by
|
||||
.Nm :
|
||||
.Bl -tag -width indent
|
||||
.It Fl o Ar dsdt_file_for_output
|
||||
Stores DSDT data block from physical memory into a file specified in
|
||||
.Ar dsdt_file_for_output
|
||||
in addition to behavior with no option.
|
||||
.It Fl f Ar dsdt_file_for_input
|
||||
Interprets AML data in DSDT from a file specified in
|
||||
.Ar dsdt_file_for_input
|
||||
and dumps them in ASL to standard output.
|
||||
.It Fl r
|
||||
Additionally outputs commented ResourceTemplate() macros for Buffer
|
||||
objects that contain valid resource streams.
|
||||
These macros are defined in the ACPI 2.0 specification section
|
||||
16.2.4.
|
||||
.It Fl d
|
||||
Disassemble the DSDT into ASL using
|
||||
.Xr iasl 8
|
||||
and print the results to stdout.
|
||||
.It Fl t
|
||||
Dump the contents of the various fixed tables listed above.
|
||||
.It Fl h
|
||||
Displays usage and exit.
|
||||
.It Fl v
|
||||
Enable verbose messages.
|
||||
.It Fl f Ar dsdt_input
|
||||
Load the DSDT from the specified file instead of physical memory.
|
||||
Since only the DSDT is stored in the file, the
|
||||
.Fl t
|
||||
flag may not be used with this option.
|
||||
.It Fl o Ar dsdt_output
|
||||
Store the DSDT data block from physical memory into the specified file.
|
||||
.El
|
||||
.Sh EXAMPLES
|
||||
This is an example to get a dump of SDTs and a DSDT data file
|
||||
simultaneously on a machine that supports ACPI BIOS.
|
||||
This example dumps the DSDT from physical memory to foo.dsdt.
|
||||
It also prints the contents of various system tables and disassembles
|
||||
the AML contained in the DSDT to stdout, redirecting the output
|
||||
to foo.asl.
|
||||
.Bd -literal -offset indent
|
||||
# acpidump -o foo.dsdt > foo.asl
|
||||
# acpidump -t -d -o foo.dsdt > foo.asl
|
||||
.Ed
|
||||
.Pp
|
||||
This example reads a DSDT file and disassembles it to stdout.
|
||||
Verbose messages are enabled.
|
||||
.Bd -literal -offset indent
|
||||
# acpidump -v -d -f foo.dsdt
|
||||
.Ed
|
||||
.Sh BUGS
|
||||
In the current implementation,
|
||||
.Nm
|
||||
doesn't dump any information of Firmware ACPI Control Structure
|
||||
(FACS)
|
||||
specified by a pointer in FACP.
|
||||
doesn't dump the Firmware ACPI Control Structure (FACS),
|
||||
Secondary System Descriptor Table (SSDT),
|
||||
Embedded Controller Descriptor Table (ECDT),
|
||||
or BOOT structures.
|
||||
.Sh FILES
|
||||
.Bl -tag -width /dev/mem
|
||||
.It Pa /dev/mem
|
||||
@ -156,16 +163,8 @@ specified by a pointer in FACP.
|
||||
.Xr acpi 4 ,
|
||||
.Xr mem 4 ,
|
||||
.Xr acpiconf 8 ,
|
||||
.Xr amldb 8
|
||||
.Pp
|
||||
.Dq Advanced Configuration and Power Interface Specification
|
||||
.Bd -literal -offset indent -compact
|
||||
Intel
|
||||
Microsoft
|
||||
Toshiba
|
||||
Revision 1.0b, 2.0
|
||||
.Ed
|
||||
<URL:http://www.teleport.com/~acpi/>
|
||||
.Xr acpidb 8 ,
|
||||
.Xr iasl 8
|
||||
.Sh AUTHORS
|
||||
.An Doug Rabson Aq dfr@FreeBSD.org
|
||||
.An Mitsuru IWASAKI Aq iwasaki@FreeBSD.org
|
||||
@ -183,5 +182,9 @@ and
|
||||
.Sh HISTORY
|
||||
The
|
||||
.Nm
|
||||
utility appeared in
|
||||
.Fx 5.0 .
|
||||
utility first appeared in
|
||||
.Fx 5.0
|
||||
and was rewritten to use
|
||||
.Xr iasl 8
|
||||
for
|
||||
.Fx 5.2 .
|
||||
|
||||
@ -23,56 +23,29 @@
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $Id: acpidump.c,v 1.3 2000/08/08 14:12:21 iwasaki Exp $
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
|
||||
#include <assert.h>
|
||||
#include <err.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include "acpidump.h"
|
||||
|
||||
static void
|
||||
asl_dump_from_file(char *file)
|
||||
{
|
||||
u_int8_t *dp;
|
||||
u_int8_t *end;
|
||||
struct ACPIsdt *dsdt;
|
||||
|
||||
acpi_load_dsdt(file, &dp, &end);
|
||||
acpi_dump_dsdt(dp, end);
|
||||
}
|
||||
|
||||
static void
|
||||
asl_dump_from_devmem()
|
||||
{
|
||||
struct ACPIrsdp *rp;
|
||||
struct ACPIsdt *rsdp;
|
||||
|
||||
rp = acpi_find_rsd_ptr();
|
||||
if (!rp)
|
||||
errx(1, "Can't find ACPI information\n");
|
||||
|
||||
acpi_print_rsd_ptr(rp);
|
||||
rsdp = (struct ACPIsdt *) acpi_map_sdt(rp->rsdt_addr);
|
||||
if (memcmp(rsdp->signature, "RSDT", 4) ||
|
||||
acpi_checksum(rsdp, rsdp->len))
|
||||
errx(1, "RSDT is corrupted\n");
|
||||
|
||||
acpi_handle_rsdt(rsdp);
|
||||
}
|
||||
int dflag; /* Disassemble AML using iasl(8) */
|
||||
int tflag; /* Dump contents of SDT tables */
|
||||
int vflag; /* Use verbose messages */
|
||||
|
||||
static void
|
||||
usage(const char *progname)
|
||||
{
|
||||
|
||||
printf("usage:\t%s [-r] [-o dsdt_file_for_output]\n", progname);
|
||||
printf("\t%s [-r] [-f dsdt_file_for_input]\n", progname);
|
||||
printf("\t%s [-h]\n", progname);
|
||||
fprintf(stderr, "usage: %s [-d] [-t] [-h] [-v] [-f dsdt_input] "
|
||||
"[-o dsdt_output]\n", progname);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
@ -80,28 +53,87 @@ int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
char c, *progname;
|
||||
char *dsdt_input_file, *dsdt_output_file;
|
||||
struct ACPIsdt *sdt;
|
||||
|
||||
dsdt_input_file = dsdt_output_file = NULL;
|
||||
progname = argv[0];
|
||||
while ((c = getopt(argc, argv, "f:o:hr")) != -1) {
|
||||
|
||||
if (argc < 2)
|
||||
usage(progname);
|
||||
|
||||
while ((c = getopt(argc, argv, "dhtvf:o:")) != -1) {
|
||||
switch (c) {
|
||||
case 'd':
|
||||
dflag = 1;
|
||||
break;
|
||||
case 't':
|
||||
tflag = 1;
|
||||
break;
|
||||
case 'v':
|
||||
vflag = 1;
|
||||
break;
|
||||
case 'f':
|
||||
asl_dump_from_file(optarg);
|
||||
return (0);
|
||||
dsdt_input_file = optarg;
|
||||
break;
|
||||
case 'o':
|
||||
aml_dumpfile = optarg;
|
||||
dsdt_output_file = optarg;
|
||||
break;
|
||||
case 'h':
|
||||
usage(progname);
|
||||
break;
|
||||
case 'r':
|
||||
rflag++;
|
||||
break;
|
||||
default:
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
usage(progname);
|
||||
/* NOTREACHED */
|
||||
}
|
||||
}
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
asl_dump_from_devmem();
|
||||
return (0);
|
||||
/* Get input either from file or /dev/mem */
|
||||
if (dsdt_input_file != NULL) {
|
||||
if (dflag == 0 && tflag == 0) {
|
||||
warnx("Need to specify -d or -t with DSDT input file");
|
||||
usage(progname);
|
||||
} else if (tflag != 0) {
|
||||
warnx("Can't use -t with DSDT input file");
|
||||
usage(progname);
|
||||
}
|
||||
if (vflag)
|
||||
warnx("loading DSDT file: %s", dsdt_input_file);
|
||||
sdt = dsdt_load_file(dsdt_input_file);
|
||||
} else {
|
||||
if (vflag)
|
||||
warnx("loading RSD PTR from /dev/mem");
|
||||
sdt = sdt_load_devmem();
|
||||
}
|
||||
|
||||
/* Display misc. SDT tables (only available when using /dev/mem) */
|
||||
if (tflag) {
|
||||
if (vflag)
|
||||
warnx("printing various SDT tables");
|
||||
sdt_print_all(sdt);
|
||||
}
|
||||
|
||||
/* Translate RSDT to DSDT pointer */
|
||||
if (dsdt_input_file == NULL) {
|
||||
sdt = sdt_from_rsdt(sdt, "FACP");
|
||||
sdt = dsdt_from_facp((struct FACPbody *)sdt->body);
|
||||
}
|
||||
|
||||
/* Dump the DSDT to a file */
|
||||
if (dsdt_output_file != NULL) {
|
||||
if (vflag)
|
||||
warnx("saving DSDT file: %s", dsdt_output_file);
|
||||
dsdt_save_file(dsdt_output_file, sdt);
|
||||
}
|
||||
|
||||
/* Disassemble the DSDT into ASL */
|
||||
if (dflag) {
|
||||
if (vflag)
|
||||
warnx("disassembling DSDT, iasl messages follow");
|
||||
aml_disassemble(sdt);
|
||||
if (vflag)
|
||||
warnx("iasl processing complete");
|
||||
}
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
||||
@ -24,7 +24,6 @@
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $Id: acpidump.h,v 1.3 2000/08/09 14:47:52 iwasaki Exp $
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
@ -154,9 +153,9 @@ struct FACS {
|
||||
u_int32_t g_lock; /* bit field */
|
||||
/* 5.2.6.1 Global Lock */
|
||||
#define ACPI_GLOBAL_LOCK_PENDING 1
|
||||
#define ACPI_GLOBAL_LOCK_OWNED 2
|
||||
#define ACPI_GLOBAL_LOCK_OWNED 2
|
||||
u_int32_t flags; /* bit field */
|
||||
#define ACPI_FACS_FLAG_S4BIOS_F 1 /* Supports S4BIOS_SEQ */
|
||||
#define ACPI_FACS_FLAG_S4BIOS_F 1 /* Supports S4BIOS_SEQ */
|
||||
char reserved[40];
|
||||
} __packed;
|
||||
|
||||
@ -261,7 +260,7 @@ struct MADT_APIC {
|
||||
struct MADTbody {
|
||||
u_int32_t lapic_addr;
|
||||
u_int32_t flags;
|
||||
#define ACPI_APIC_FLAG_PCAT_COMPAT 1 /* Syetem has dual-8259 setup. */
|
||||
#define ACPI_APIC_FLAG_PCAT_COMPAT 1 /* System has dual-8259 setup. */
|
||||
u_char body[1];
|
||||
} __packed;
|
||||
|
||||
@ -278,6 +277,7 @@ struct HPETbody {
|
||||
u_int16_t clock_tick __packed;
|
||||
} __packed;
|
||||
|
||||
#if 0
|
||||
void *acpi_map_physical(vm_offset_t, size_t);
|
||||
struct ACPIrsdp *acpi_find_rsd_ptr(void);
|
||||
int acpi_checksum(void *, size_t);
|
||||
@ -287,17 +287,39 @@ void acpi_print_sdt(struct ACPIsdt *);
|
||||
void acpi_print_rsdt(struct ACPIsdt *);
|
||||
void acpi_print_facp(struct FACPbody *);
|
||||
void acpi_print_dsdt(struct ACPIsdt *);
|
||||
|
||||
void asl_dump_termobj(u_int8_t **, int);
|
||||
void asl_dump_objectlist(u_int8_t **, u_int8_t *, int);
|
||||
|
||||
void aml_dump(struct ACPIsdt *);
|
||||
|
||||
void acpi_handle_rsdt(struct ACPIsdt *);
|
||||
void acpi_load_dsdt(char *, u_int8_t **, u_int8_t **);
|
||||
void acpi_dump_dsdt(u_int8_t *, u_int8_t *);
|
||||
extern char *aml_dumpfile;
|
||||
extern struct ACPIsdt dsdt_header;
|
||||
extern int rflag;
|
||||
#endif
|
||||
|
||||
/* Find and map the RSD PTR structure and return it for parsing */
|
||||
struct ACPIsdt *sdt_load_devmem(void);
|
||||
|
||||
/*
|
||||
* Load the DSDT from a previous save file. Note that other tables are
|
||||
* not saved (i.e. FADT)
|
||||
*/
|
||||
struct ACPIsdt *dsdt_load_file(char *);
|
||||
|
||||
/* Save the DSDT to a file */
|
||||
void dsdt_save_file(char *, struct ACPIsdt *);
|
||||
|
||||
/* Print out as many fixed tables as possible, given the RSD PTR */
|
||||
void sdt_print_all(struct ACPIsdt *);
|
||||
|
||||
/* Disassemble the AML in the DSDT */
|
||||
void aml_disassemble(struct ACPIsdt *);
|
||||
|
||||
/* Routines for accessing tables in physical memory */
|
||||
struct ACPIrsdp *acpi_find_rsd_ptr(void);
|
||||
void * acpi_map_physical(vm_offset_t, size_t);
|
||||
struct ACPIsdt *sdt_from_rsdt(struct ACPIsdt *, const char *);
|
||||
struct ACPIsdt *dsdt_from_facp(struct FACPbody *);
|
||||
int acpi_checksum(void *, size_t);
|
||||
|
||||
/* Command line flags */
|
||||
extern int dflag;
|
||||
extern int tflag;
|
||||
extern int vflag;
|
||||
|
||||
#endif /* !_ACPIDUMP_H_ */
|
||||
|
||||
@ -1,60 +0,0 @@
|
||||
/*-
|
||||
* Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
|
||||
* 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.
|
||||
* 2. 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.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
|
||||
*
|
||||
* $Id: aml_dump.c,v 1.3 2000/08/08 14:12:21 iwasaki Exp $
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include "acpidump.h"
|
||||
|
||||
char *aml_dumpfile = NULL;
|
||||
|
||||
void
|
||||
aml_dump(struct ACPIsdt *dsdp)
|
||||
{
|
||||
int fd;
|
||||
mode_t mode;
|
||||
|
||||
if (aml_dumpfile == NULL) {
|
||||
return;
|
||||
}
|
||||
|
||||
mode = (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
|
||||
fd = open(aml_dumpfile, O_WRONLY | O_CREAT | O_TRUNC, mode);
|
||||
if (fd == -1) {
|
||||
return;
|
||||
}
|
||||
write(fd, dsdp, SIZEOF_SDT_HDR);
|
||||
write(fd, dsdp->body, dsdp->len - SIZEOF_SDT_HDR);
|
||||
close(fd);
|
||||
}
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user