Add code to parse the contents of an ACPI MADT table and to dump its
contents in the form of a comment in the acpidump output. The output is not in the prettiest output, but it does work correctly. Approved by: marcel
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jhb
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ca9e5cfca1
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ad195fdafd
@ -122,6 +122,179 @@ acpi_handle_facp(struct FACPbody *facp)
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aml_dump(dsdp);
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}
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static void
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acpi_print_cpu(u_char cpu_id)
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{
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printf("\tACPI CPU=");
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if (cpu_id == 0xff)
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printf("ALL\n");
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else
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printf("%d\n", (u_int)cpu_id);
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}
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static void
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acpi_print_local_apic(u_char cpu_id, u_char apic_id, u_int32_t flags)
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{
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acpi_print_cpu(cpu_id);
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printf("\tFlags={");
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if (flags & ACPI_MADT_APIC_LOCAL_FLAG_ENABLED)
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printf("ENABLED");
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else
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printf("DISABLED");
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printf("}\n");
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printf("\tAPIC ID=%d\n", (u_int)apic_id);
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}
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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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}
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static void
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acpi_print_mps_flags(u_int16_t flags)
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{
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printf("\tFlags={Polarity=");
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switch (flags & MPS_INT_FLAG_POLARITY_MASK) {
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case MPS_INT_FLAG_POLARITY_CONFORM:
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printf("conforming");
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break;
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case MPS_INT_FLAG_POLARITY_HIGH:
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printf("active-hi");
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break;
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case MPS_INT_FLAG_POLARITY_LOW:
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printf("active-lo");
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break;
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default:
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printf("0x%x", flags & MPS_INT_FLAG_POLARITY_MASK);
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break;
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}
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printf(", Trigger=");
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switch (flags & MPS_INT_FLAG_TRIGGER_MASK) {
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case MPS_INT_FLAG_TRIGGER_CONFORM:
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printf("conforming");
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break;
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case MPS_INT_FLAG_TRIGGER_EDGE:
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printf("edge");
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break;
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case MPS_INT_FLAG_TRIGGER_LEVEL:
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printf("level");
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break;
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default:
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printf("0x%x", (flags & MPS_INT_FLAG_TRIGGER_MASK) >> 2);
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}
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printf("}\n");
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}
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static void
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acpi_print_intr(u_int32_t intr, u_int16_t mps_flags)
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{
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printf("\tINTR=%d\n", (u_int)intr);
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acpi_print_mps_flags(mps_flags);
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}
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const char *apic_types[] = { "Local APIC", "IO APIC", "INT Override", "NMI",
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"Local NMI", "Local APIC Override", "IO SAPIC",
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"Local SAPIC", "Platform Interrupt" };
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const char *platform_int_types[] = { "PMI", "INIT",
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"Corrected Platform Error" };
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static void
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acpi_print_apic(struct MADT_APIC *mp)
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{
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printf("\tType=%s\n", apic_types[mp->type]);
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switch (mp->type) {
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case ACPI_MADT_APIC_TYPE_LOCAL_APIC:
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acpi_print_local_apic(mp->body.local_apic.cpu_id,
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mp->body.local_apic.apic_id, mp->body.local_apic.flags);
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break;
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case ACPI_MADT_APIC_TYPE_IO_APIC:
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acpi_print_io_apic(mp->body.io_apic.apic_id,
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mp->body.io_apic.int_base,
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mp->body.io_apic.apic_addr);
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break;
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case ACPI_MADT_APIC_TYPE_INT_OVERRIDE:
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printf("\tBUS=%d\n", (u_int)mp->body.int_override.bus);
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printf("\tIRQ=%d\n", (u_int)mp->body.int_override.source);
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acpi_print_intr(mp->body.int_override.intr,
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mp->body.int_override.mps_flags);
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break;
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case ACPI_MADT_APIC_TYPE_NMI:
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acpi_print_intr(mp->body.nmi.intr, mp->body.nmi.mps_flags);
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break;
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case ACPI_MADT_APIC_TYPE_LOCAL_NMI:
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acpi_print_cpu(mp->body.local_nmi.cpu_id);
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printf("\tLINT Pin=%d\n", mp->body.local_nmi.lintpin);
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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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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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mp->body.io_sapic.int_base,
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mp->body.io_sapic.apic_addr);
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break;
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case ACPI_MADT_APIC_TYPE_LOCAL_SAPIC:
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acpi_print_local_apic(mp->body.local_sapic.cpu_id,
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mp->body.local_sapic.apic_id, mp->body.local_sapic.flags);
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printf("\tAPIC EID=%d\n", (u_int)mp->body.local_sapic.apic_eid);
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break;
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case ACPI_MADT_APIC_TYPE_INT_SRC:
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printf("\tType=%s\n",
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platform_int_types[mp->body.int_src.type]);
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printf("\tCPU ID=%d\n", (u_int)mp->body.int_src.cpu_id);
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printf("\tCPU EID=%d\n", (u_int)mp->body.int_src.cpu_id);
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printf("\tSAPIC Vector=%d\n",
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(u_int)mp->body.int_src.sapic_vector);
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acpi_print_intr(mp->body.int_src.intr,
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mp->body.int_src.mps_flags);
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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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}
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}
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static void
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acpi_handle_apic(struct ACPIsdt *sdp)
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{
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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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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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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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madt_apicp = (struct MADT_APIC *) ((char *)madt_apicp +
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madt_apicp->len);
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}
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printf(END_COMMENT);
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}
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static void
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init_namespace()
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{
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@ -169,6 +342,7 @@ acpi_dump_dsdt(u_int8_t *dp, u_int8_t *end)
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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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@ -346,6 +520,8 @@ acpi_handle_rsdt(struct ACPIsdt *rsdp)
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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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acpi_handle_facp((struct FACPbody *) sdp->body);
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} else if (!memcmp(sdp->signature, "APIC", 4)) {
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acpi_handle_apic(sdp);
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} else {
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acpi_print_sdt(sdp);
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}
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