xv6

port of xv6 to x86-64
git clone http://frotz.net/git/xv6.git
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acpi.h (1388B)

      1 // References: ACPI 5.0 Errata A
      2 // http://acpi.info/spec.htm
      3 
      4 // 5.2.5.3
      5 #define SIG_RDSP "RSD PTR "
      6 struct acpi_rdsp {
      7   uchar signature[8];
      8   uchar checksum;
      9   uchar oem_id[6];
     10   uchar revision;
     11   uint32 rsdt_addr_phys;
     12   uint32 length;
     13   uint64 xsdt_addr_phys;
     14   uchar xchecksum;
     15   uchar reserved[3];
     16 } __attribute__((__packed__));
     17 
     18 // 5.2.6
     19 struct acpi_desc_header {
     20   uchar signature[4];
     21   uint32 length;
     22   uchar revision;
     23   uchar checksum;
     24   uchar oem_id[6];
     25   uchar oem_tableid[8];
     26   uint32 oem_revision;
     27   uchar creator_id[4];
     28   uint32 creator_revision;
     29 } __attribute__((__packed__));
     30 
     31 // 5.2.7
     32 struct acpi_rsdt {
     33   struct acpi_desc_header header;
     34   uint32 entry[0];
     35 } __attribute__((__packed__));
     36 
     37 #define TYPE_LAPIC 0
     38 #define TYPE_IOAPIC 1
     39 #define TYPE_INT_SRC_OVERRIDE 2
     40 #define TYPE_NMI_INT_SRC 3
     41 #define TYPE_LAPIC_NMI 4
     42 
     43 // 5.2.12 Multiple APIC Description Table
     44 #define SIG_MADT "APIC"
     45 struct acpi_madt {
     46   struct acpi_desc_header header;
     47   uint32 lapic_addr_phys;
     48   uint32 flags;
     49   uchar table[0];
     50 } __attribute__((__packed__));
     51 
     52 // 5.2.12.2
     53 #define APIC_LAPIC_ENABLED 1
     54 struct madt_lapic {
     55   uchar type;
     56   uchar length;
     57   uchar acpi_id;
     58   uchar apic_id;
     59   uint32 flags;
     60 } __attribute__((__packed__));
     61 
     62 // 5.2.12.3
     63 struct madt_ioapic {
     64   uchar type;
     65   uchar length;
     66   uchar id;
     67   uchar reserved;
     68   uint32 addr;
     69   uint32 interrupt_base;
     70 } __attribute__((__packed__));
     71   
     72