diff options
Diffstat (limited to 'sys/boot/ia64/ski/acpi_stub.c')
| -rw-r--r-- | sys/boot/ia64/ski/acpi_stub.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/sys/boot/ia64/ski/acpi_stub.c b/sys/boot/ia64/ski/acpi_stub.c new file mode 100644 index 0000000..3187925 --- /dev/null +++ b/sys/boot/ia64/ski/acpi_stub.c @@ -0,0 +1,193 @@ +/* + * Copyright (c) 2003 Marcel Moolenaar + * 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 ``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 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. + * + * $FreeBSD$ + */ + +#include <contrib/dev/acpica/acpi.h> + +#define APIC_IO_SAPIC 6 +#define APIC_LOCAL_SAPIC 7 + +#pragma pack(1) + +typedef struct /* LOCAL SAPIC */ +{ + APIC_HEADER Header; + UINT8 ProcessorId; /* ACPI processor id */ + UINT8 LocalSapicId; /* Processor local SAPIC id */ + UINT8 LocalSapicEid; /* Processor local SAPIC eid */ + UINT8 Reserved[3]; + UINT32 ProcessorEnabled: 1; + UINT32 FlagsReserved: 31; +} LOCAL_SAPIC; + +typedef struct /* IO SAPIC */ +{ + APIC_HEADER Header; + UINT8 IoSapicId; /* I/O SAPIC ID */ + UINT8 Reserved; /* reserved - must be zero */ + UINT32 Vector; /* interrupt base */ + UINT64 IoSapicAddress; /* SAPIC's physical address */ +} IO_SAPIC; + +/* + */ + +struct { + APIC_TABLE Header; + LOCAL_SAPIC cpu0; + LOCAL_SAPIC cpu1; + LOCAL_SAPIC cpu2; + LOCAL_SAPIC cpu3; + IO_SAPIC sapic; +} apic = { + /* Header. */ + { + { + APIC_SIG, /* Signature. */ + sizeof(apic), /* Length of table. */ + 0, /* ACPI minor revision. */ + 0, /* XXX checksum. */ + "FBSD", /* OEM Id. */ + "SKI", /* OEM table Id. */ + 0, /* OEM revision. */ + "FBSD", /* ASL compiler Id. */ + 0 /* ASL revision. */ + }, + 0xfee00000, + }, + /* cpu0. */ + { + { + APIC_LOCAL_SAPIC, /* Type. */ + sizeof(apic.cpu0) /* Length. */ + }, + 0, /* ACPI processor id */ + 0, /* Processor local SAPIC id */ + 0, /* Processor local SAPIC eid */ + { 0, 0, 0 }, + 1, /* FL: Enabled. */ + }, + /* cpu1. */ + { + { + APIC_LOCAL_SAPIC, /* Type. */ + sizeof(apic.cpu1) /* Length. */ + }, + 1, /* ACPI processor id */ + 0, /* Processor local SAPIC id */ + 1, /* Processor local SAPIC eid */ + { 0, 0, 0 }, + 1, /* FL: Enabled. */ + }, + /* cpu2. */ + { + { + APIC_LOCAL_SAPIC, /* Type. */ + sizeof(apic.cpu2) /* Length. */ + }, + 2, /* ACPI processor id */ + 1, /* Processor local SAPIC id */ + 0, /* Processor local SAPIC eid */ + { 0, 0, 0 }, + 0, /* FL: Enabled. */ + }, + /* cpu3. */ + { + { + APIC_LOCAL_SAPIC, /* Type. */ + sizeof(apic.cpu3) /* Length. */ + }, + 3, /* ACPI processor id */ + 1, /* Processor local SAPIC id */ + 1, /* Processor local SAPIC eid */ + { 0, 0, 0 }, + 0, /* FL: Enabled. */ + }, + /* sapic. */ + { + { + APIC_IO_SAPIC, /* Type. */ + sizeof(apic.sapic) /* Length. */ + }, + 4, /* IO SAPIC id. */ + 0, + 16, /* Interrupt base. */ + 0xfec00000 /* IO SAPIC address. */ + } +}; + +struct { + ACPI_TABLE_HEADER Header; + UINT64 apic_tbl; +} xsdt = { + { + XSDT_SIG, /* Signature. */ + sizeof(xsdt), /* Length of table. */ + 0, /* ACPI minor revision. */ + 0, /* XXX checksum. */ + "FBSD", /* OEM Id. */ + "SKI", /* OEM table Id. */ + 0, /* OEM revision. */ + "FBSD", /* ASL compiler Id. */ + 0 /* ASL revision. */ + }, + NULL /* XXX APIC table address. */ +}; + +RSDP_DESCRIPTOR acpi_root = { + RSDP_SIG, + 0, /* XXX checksum. */ + "FBSD", + 2, /* ACPI Rev 2.0. */ + NULL, + sizeof(xsdt), /* XSDT length. */ + NULL, /* XXX PA of XSDT. */ + 0, /* XXX Extended checksum. */ +}; + +static void +cksum(void *addr, int sz, UINT8 *sum) +{ + UINT8 *p, s; + + p = addr; + s = 0; + while (sz--) + s += *p++; + *sum = -s; +} + +void +acpi_stub_init(void) +{ + acpi_root.XsdtPhysicalAddress = (UINT64)&xsdt; + cksum(&acpi_root, 20, &acpi_root.Checksum); + cksum(&acpi_root, sizeof(acpi_root), &acpi_root.ExtendedChecksum); + + xsdt.apic_tbl = (UINT32)&apic; + cksum(&xsdt, sizeof(xsdt), &xsdt.Header.Checksum); +} |
