| /* |
| * ACPI implementation |
| * |
| * Copyright (c) 2006 Fabrice Bellard |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License version 2 as published by the Free Software Foundation. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include "vl.h" |
| |
| //#define DEBUG |
| |
| /* i82731AB (PIIX4) compatible power management function */ |
| #define PM_FREQ 3579545 |
| |
| /* XXX: make them variable */ |
| #define PM_IO_BASE 0xb000 |
| #define SMI_CMD_IO_ADDR 0xb040 |
| #define ACPI_DBG_IO_ADDR 0xb044 |
| |
| typedef struct PIIX4PMState { |
| PCIDevice dev; |
| uint16_t pmsts; |
| uint16_t pmen; |
| uint16_t pmcntrl; |
| QEMUTimer *tmr_timer; |
| int64_t tmr_overflow_time; |
| } PIIX4PMState; |
| |
| #define RTC_EN (1 << 10) |
| #define PWRBTN_EN (1 << 8) |
| #define GBL_EN (1 << 5) |
| #define TMROF_EN (1 << 0) |
| |
| #define SCI_EN (1 << 0) |
| |
| #define SUS_EN (1 << 13) |
| |
| /* Note: only used for ACPI bios init. Could be deleted when ACPI init |
| is integrated in Bochs BIOS */ |
| static PIIX4PMState *piix4_pm_state; |
| |
| static uint32_t get_pmtmr(PIIX4PMState *s) |
| { |
| uint32_t d; |
| d = muldiv64(qemu_get_clock(vm_clock), PM_FREQ, ticks_per_sec); |
| return d & 0xffffff; |
| } |
| |
| static int get_pmsts(PIIX4PMState *s) |
| { |
| int64_t d; |
| int pmsts; |
| pmsts = s->pmsts; |
| d = muldiv64(qemu_get_clock(vm_clock), PM_FREQ, ticks_per_sec); |
| if (d >= s->tmr_overflow_time) |
| s->pmsts |= TMROF_EN; |
| return pmsts; |
| } |
| |
| static void pm_update_sci(PIIX4PMState *s) |
| { |
| int sci_level, pmsts; |
| int64_t expire_time; |
| |
| pmsts = get_pmsts(s); |
| sci_level = (((pmsts & s->pmen) & |
| (RTC_EN | PWRBTN_EN | GBL_EN | TMROF_EN)) != 0); |
| pci_set_irq(&s->dev, 0, sci_level); |
| /* schedule a timer interruption if needed */ |
| if ((s->pmen & TMROF_EN) && !(pmsts & TMROF_EN)) { |
| expire_time = muldiv64(s->tmr_overflow_time, ticks_per_sec, PM_FREQ); |
| qemu_mod_timer(s->tmr_timer, expire_time); |
| } else { |
| qemu_del_timer(s->tmr_timer); |
| } |
| } |
| |
| static void pm_tmr_timer(void *opaque) |
| { |
| PIIX4PMState *s = opaque; |
| pm_update_sci(s); |
| } |
| |
| static void pm_ioport_writew(void *opaque, uint32_t addr, uint32_t val) |
| { |
| PIIX4PMState *s = opaque; |
| addr &= 0x3f; |
| switch(addr) { |
| case 0x00: |
| { |
| int64_t d; |
| int pmsts; |
| pmsts = get_pmsts(s); |
| if (pmsts & val & TMROF_EN) { |
| /* if TMRSTS is reset, then compute the new overflow time */ |
| d = muldiv64(qemu_get_clock(vm_clock), PM_FREQ, ticks_per_sec); |
| s->tmr_overflow_time = (d + 0x800000LL) & ~0x7fffffLL; |
| } |
| s->pmsts &= ~val; |
| pm_update_sci(s); |
| } |
| break; |
| case 0x02: |
| s->pmen = val; |
| pm_update_sci(s); |
| break; |
| case 0x04: |
| { |
| int sus_typ; |
| s->pmcntrl = val & ~(SUS_EN); |
| if (val & SUS_EN) { |
| /* change suspend type */ |
| sus_typ = (val >> 10) & 3; |
| switch(sus_typ) { |
| case 0: /* soft power off */ |
| qemu_system_shutdown_request(); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| #ifdef DEBUG |
| printf("PM writew port=0x%04x val=0x%04x\n", addr, val); |
| #endif |
| } |
| |
| static uint32_t pm_ioport_readw(void *opaque, uint32_t addr) |
| { |
| PIIX4PMState *s = opaque; |
| uint32_t val; |
| |
| addr &= 0x3f; |
| switch(addr) { |
| case 0x00: |
| val = get_pmsts(s); |
| break; |
| case 0x02: |
| val = s->pmen; |
| break; |
| case 0x04: |
| val = s->pmcntrl; |
| break; |
| default: |
| val = 0; |
| break; |
| } |
| #ifdef DEBUG |
| printf("PM readw port=0x%04x val=0x%04x\n", addr, val); |
| #endif |
| return val; |
| } |
| |
| static void pm_ioport_writel(void *opaque, uint32_t addr, uint32_t val) |
| { |
| // PIIX4PMState *s = opaque; |
| addr &= 0x3f; |
| #ifdef DEBUG |
| printf("PM writel port=0x%04x val=0x%08x\n", addr, val); |
| #endif |
| } |
| |
| static uint32_t pm_ioport_readl(void *opaque, uint32_t addr) |
| { |
| PIIX4PMState *s = opaque; |
| uint32_t val; |
| |
| addr &= 0x3f; |
| switch(addr) { |
| case 0x08: |
| val = get_pmtmr(s); |
| break; |
| default: |
| val = 0; |
| break; |
| } |
| #ifdef DEBUG |
| printf("PM readl port=0x%04x val=0x%08x\n", addr, val); |
| #endif |
| return val; |
| } |
| |
| static void smi_cmd_writeb(void *opaque, uint32_t addr, uint32_t val) |
| { |
| PIIX4PMState *s = opaque; |
| #ifdef DEBUG |
| printf("SMI cmd val=0x%02x\n", val); |
| #endif |
| switch(val) { |
| case 0xf0: /* ACPI disable */ |
| s->pmcntrl &= ~SCI_EN; |
| break; |
| case 0xf1: /* ACPI enable */ |
| s->pmcntrl |= SCI_EN; |
| break; |
| } |
| } |
| |
| static void acpi_dbg_writel(void *opaque, uint32_t addr, uint32_t val) |
| { |
| #if defined(DEBUG) |
| printf("ACPI: DBG: 0x%08x\n", val); |
| #endif |
| } |
| |
| /* XXX: we still add it to the PIIX3 and we count on the fact that |
| OSes are smart enough to accept this strange configuration */ |
| void piix4_pm_init(PCIBus *bus, int devfn) |
| { |
| PIIX4PMState *s; |
| uint8_t *pci_conf; |
| uint32_t pm_io_base; |
| |
| s = (PIIX4PMState *)pci_register_device(bus, |
| "PM", sizeof(PIIX4PMState), |
| devfn, NULL, NULL); |
| pci_conf = s->dev.config; |
| pci_conf[0x00] = 0x86; |
| pci_conf[0x01] = 0x80; |
| pci_conf[0x02] = 0x13; |
| pci_conf[0x03] = 0x71; |
| pci_conf[0x08] = 0x00; // revision number |
| pci_conf[0x09] = 0x00; |
| pci_conf[0x0a] = 0x80; // other bridge device |
| pci_conf[0x0b] = 0x06; // bridge device |
| pci_conf[0x0e] = 0x00; // header_type |
| pci_conf[0x3d] = 0x01; // interrupt pin 1 |
| |
| pm_io_base = PM_IO_BASE; |
| pci_conf[0x40] = pm_io_base | 1; |
| pci_conf[0x41] = pm_io_base >> 8; |
| register_ioport_write(pm_io_base, 64, 2, pm_ioport_writew, s); |
| register_ioport_read(pm_io_base, 64, 2, pm_ioport_readw, s); |
| register_ioport_write(pm_io_base, 64, 4, pm_ioport_writel, s); |
| register_ioport_read(pm_io_base, 64, 4, pm_ioport_readl, s); |
| |
| register_ioport_write(SMI_CMD_IO_ADDR, 1, 1, smi_cmd_writeb, s); |
| register_ioport_write(ACPI_DBG_IO_ADDR, 4, 4, acpi_dbg_writel, s); |
| |
| /* XXX: which specification is used ? The i82731AB has different |
| mappings */ |
| pci_conf[0x5f] = (parallel_hds[0] != NULL ? 0x80 : 0) | 0x10; |
| pci_conf[0x63] = 0x60; |
| pci_conf[0x67] = (serial_hds[0] != NULL ? 0x08 : 0) | |
| (serial_hds[1] != NULL ? 0x90 : 0); |
| |
| s->tmr_timer = qemu_new_timer(vm_clock, pm_tmr_timer, s); |
| piix4_pm_state = s; |
| } |
| |
| /* ACPI tables */ |
| /* XXX: move them in the Bochs BIOS ? */ |
| |
| /*************************************************/ |
| |
| /* Table structure from Linux kernel (the ACPI tables are under the |
| BSD license) */ |
| |
| #define ACPI_TABLE_HEADER_DEF /* ACPI common table header */ \ |
| uint8_t signature [4]; /* ACPI signature (4 ASCII characters) */\ |
| uint32_t length; /* Length of table, in bytes, including header */\ |
| uint8_t revision; /* ACPI Specification minor version # */\ |
| uint8_t checksum; /* To make sum of entire table == 0 */\ |
| uint8_t oem_id [6]; /* OEM identification */\ |
| uint8_t oem_table_id [8]; /* OEM table identification */\ |
| uint32_t oem_revision; /* OEM revision number */\ |
| uint8_t asl_compiler_id [4]; /* ASL compiler vendor ID */\ |
| uint32_t asl_compiler_revision; /* ASL compiler revision number */ |
| |
| |
| struct acpi_table_header /* ACPI common table header */ |
| { |
| ACPI_TABLE_HEADER_DEF |
| }; |
| |
| struct rsdp_descriptor /* Root System Descriptor Pointer */ |
| { |
| uint8_t signature [8]; /* ACPI signature, contains "RSD PTR " */ |
| uint8_t checksum; /* To make sum of struct == 0 */ |
| uint8_t oem_id [6]; /* OEM identification */ |
| uint8_t revision; /* Must be 0 for 1.0, 2 for 2.0 */ |
| uint32_t rsdt_physical_address; /* 32-bit physical address of RSDT */ |
| uint32_t length; /* XSDT Length in bytes including hdr */ |
| uint64_t xsdt_physical_address; /* 64-bit physical address of XSDT */ |
| uint8_t extended_checksum; /* Checksum of entire table */ |
| uint8_t reserved [3]; /* Reserved field must be 0 */ |
| }; |
| |
| /* |
| * ACPI 1.0 Root System Description Table (RSDT) |
| */ |
| struct rsdt_descriptor_rev1 |
| { |
| ACPI_TABLE_HEADER_DEF /* ACPI common table header */ |
| uint32_t table_offset_entry [2]; /* Array of pointers to other */ |
| /* ACPI tables */ |
| }; |
| |
| /* |
| * ACPI 1.0 Firmware ACPI Control Structure (FACS) |
| */ |
| struct facs_descriptor_rev1 |
| { |
| uint8_t signature[4]; /* ACPI Signature */ |
| uint32_t length; /* Length of structure, in bytes */ |
| uint32_t hardware_signature; /* Hardware configuration signature */ |
| uint32_t firmware_waking_vector; /* ACPI OS waking vector */ |
| uint32_t global_lock; /* Global Lock */ |
| uint32_t S4bios_f : 1; /* Indicates if S4BIOS support is present */ |
| uint32_t reserved1 : 31; /* Must be 0 */ |
| uint8_t resverved3 [40]; /* Reserved - must be zero */ |
| }; |
| |
| |
| /* |
| * ACPI 1.0 Fixed ACPI Description Table (FADT) |
| */ |
| struct fadt_descriptor_rev1 |
| { |
| ACPI_TABLE_HEADER_DEF /* ACPI common table header */ |
| uint32_t firmware_ctrl; /* Physical address of FACS */ |
| uint32_t dsdt; /* Physical address of DSDT */ |
| uint8_t model; /* System Interrupt Model */ |
| uint8_t reserved1; /* Reserved */ |
| uint16_t sci_int; /* System vector of SCI interrupt */ |
| uint32_t smi_cmd; /* Port address of SMI command port */ |
| uint8_t acpi_enable; /* Value to write to smi_cmd to enable ACPI */ |
| uint8_t acpi_disable; /* Value to write to smi_cmd to disable ACPI */ |
| uint8_t S4bios_req; /* Value to write to SMI CMD to enter S4BIOS state */ |
| uint8_t reserved2; /* Reserved - must be zero */ |
| uint32_t pm1a_evt_blk; /* Port address of Power Mgt 1a acpi_event Reg Blk */ |
| uint32_t pm1b_evt_blk; /* Port address of Power Mgt 1b acpi_event Reg Blk */ |
| uint32_t pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */ |
| uint32_t pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */ |
| uint32_t pm2_cnt_blk; /* Port address of Power Mgt 2 Control Reg Blk */ |
| uint32_t pm_tmr_blk; /* Port address of Power Mgt Timer Ctrl Reg Blk */ |
| uint32_t gpe0_blk; /* Port addr of General Purpose acpi_event 0 Reg Blk */ |
| uint32_t gpe1_blk; /* Port addr of General Purpose acpi_event 1 Reg Blk */ |
| uint8_t pm1_evt_len; /* Byte length of ports at pm1_x_evt_blk */ |
| uint8_t pm1_cnt_len; /* Byte length of ports at pm1_x_cnt_blk */ |
| uint8_t pm2_cnt_len; /* Byte Length of ports at pm2_cnt_blk */ |
| uint8_t pm_tmr_len; /* Byte Length of ports at pm_tm_blk */ |
| uint8_t gpe0_blk_len; /* Byte Length of ports at gpe0_blk */ |
| uint8_t gpe1_blk_len; /* Byte Length of ports at gpe1_blk */ |
| uint8_t gpe1_base; /* Offset in gpe model where gpe1 events start */ |
| uint8_t reserved3; /* Reserved */ |
| uint16_t plvl2_lat; /* Worst case HW latency to enter/exit C2 state */ |
| uint16_t plvl3_lat; /* Worst case HW latency to enter/exit C3 state */ |
| uint16_t flush_size; /* Size of area read to flush caches */ |
| uint16_t flush_stride; /* Stride used in flushing caches */ |
| uint8_t duty_offset; /* Bit location of duty cycle field in p_cnt reg */ |
| uint8_t duty_width; /* Bit width of duty cycle field in p_cnt reg */ |
| uint8_t day_alrm; /* Index to day-of-month alarm in RTC CMOS RAM */ |
| uint8_t mon_alrm; /* Index to month-of-year alarm in RTC CMOS RAM */ |
| uint8_t century; /* Index to century in RTC CMOS RAM */ |
| uint8_t reserved4; /* Reserved */ |
| uint8_t reserved4a; /* Reserved */ |
| uint8_t reserved4b; /* Reserved */ |
| #if 0 |
| uint32_t wb_invd : 1; /* The wbinvd instruction works properly */ |
| uint32_t wb_invd_flush : 1; /* The wbinvd flushes but does not invalidate */ |
| uint32_t proc_c1 : 1; /* All processors support C1 state */ |
| uint32_t plvl2_up : 1; /* C2 state works on MP system */ |
| uint32_t pwr_button : 1; /* Power button is handled as a generic feature */ |
| uint32_t sleep_button : 1; /* Sleep button is handled as a generic feature, or not present */ |
| uint32_t fixed_rTC : 1; /* RTC wakeup stat not in fixed register space */ |
| uint32_t rtcs4 : 1; /* RTC wakeup stat not possible from S4 */ |
| uint32_t tmr_val_ext : 1; /* The tmr_val width is 32 bits (0 = 24 bits) */ |
| uint32_t reserved5 : 23; /* Reserved - must be zero */ |
| #else |
| uint32_t flags; |
| #endif |
| }; |
| |
| /* |
| * MADT values and structures |
| */ |
| |
| /* Values for MADT PCATCompat */ |
| |
| #define DUAL_PIC 0 |
| #define MULTIPLE_APIC 1 |
| |
| |
| /* Master MADT */ |
| |
| struct multiple_apic_table |
| { |
| ACPI_TABLE_HEADER_DEF /* ACPI common table header */ |
| uint32_t local_apic_address; /* Physical address of local APIC */ |
| #if 0 |
| uint32_t PCATcompat : 1; /* A one indicates system also has dual 8259s */ |
| uint32_t reserved1 : 31; |
| #else |
| uint32_t flags; |
| #endif |
| }; |
| |
| |
| /* Values for Type in APIC_HEADER_DEF */ |
| |
| #define APIC_PROCESSOR 0 |
| #define APIC_IO 1 |
| #define APIC_XRUPT_OVERRIDE 2 |
| #define APIC_NMI 3 |
| #define APIC_LOCAL_NMI 4 |
| #define APIC_ADDRESS_OVERRIDE 5 |
| #define APIC_IO_SAPIC 6 |
| #define APIC_LOCAL_SAPIC 7 |
| #define APIC_XRUPT_SOURCE 8 |
| #define APIC_RESERVED 9 /* 9 and greater are reserved */ |
| |
| /* |
| * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE) |
| */ |
| #define APIC_HEADER_DEF /* Common APIC sub-structure header */\ |
| uint8_t type; \ |
| uint8_t length; |
| |
| /* Sub-structures for MADT */ |
| |
| struct madt_processor_apic |
| { |
| APIC_HEADER_DEF |
| uint8_t processor_id; /* ACPI processor id */ |
| uint8_t local_apic_id; /* Processor's local APIC id */ |
| #if 0 |
| uint32_t processor_enabled: 1; /* Processor is usable if set */ |
| uint32_t reserved2 : 31; /* Reserved, must be zero */ |
| #else |
| uint32_t flags; |
| #endif |
| }; |
| |
| struct madt_io_apic |
| { |
| APIC_HEADER_DEF |
| uint8_t io_apic_id; /* I/O APIC ID */ |
| uint8_t reserved; /* Reserved - must be zero */ |
| uint32_t address; /* APIC physical address */ |
| uint32_t interrupt; /* Global system interrupt where INTI |
| * lines start */ |
| }; |
| |
| #include "acpi-dsdt.hex" |
| |
| static int acpi_checksum(const uint8_t *data, int len) |
| { |
| int sum, i; |
| sum = 0; |
| for(i = 0; i < len; i++) |
| sum += data[i]; |
| return (-sum) & 0xff; |
| } |
| |
| static void acpi_build_table_header(struct acpi_table_header *h, |
| char *sig, int len) |
| { |
| memcpy(h->signature, sig, 4); |
| h->length = cpu_to_le32(len); |
| h->revision = 0; |
| memcpy(h->oem_id, "QEMU ", 6); |
| memcpy(h->oem_table_id, "QEMU", 4); |
| memcpy(h->oem_table_id + 4, sig, 4); |
| h->oem_revision = cpu_to_le32(1); |
| memcpy(h->asl_compiler_id, "QEMU", 4); |
| h->asl_compiler_revision = cpu_to_le32(1); |
| h->checksum = acpi_checksum((void *)h, len); |
| } |
| |
| #define ACPI_TABLES_BASE 0x000e8000 |
| |
| /* base_addr must be a multiple of 4KB */ |
| void acpi_bios_init(void) |
| { |
| struct rsdp_descriptor *rsdp; |
| struct rsdt_descriptor_rev1 *rsdt; |
| struct fadt_descriptor_rev1 *fadt; |
| struct facs_descriptor_rev1 *facs; |
| struct multiple_apic_table *madt; |
| uint8_t *dsdt; |
| uint32_t base_addr, rsdt_addr, fadt_addr, addr, facs_addr, dsdt_addr; |
| uint32_t pm_io_base, acpi_tables_size, madt_addr, madt_size; |
| int i; |
| |
| /* compute PCI I/O addresses */ |
| pm_io_base = (piix4_pm_state->dev.config[0x40] | |
| (piix4_pm_state->dev.config[0x41] << 8)) & ~0x3f; |
| |
| base_addr = ACPI_TABLES_BASE; |
| |
| /* reserve memory space for tables */ |
| addr = base_addr; |
| rsdp = (void *)(phys_ram_base + addr); |
| addr += sizeof(*rsdp); |
| |
| rsdt_addr = addr; |
| rsdt = (void *)(phys_ram_base + addr); |
| addr += sizeof(*rsdt); |
| |
| fadt_addr = addr; |
| fadt = (void *)(phys_ram_base + addr); |
| addr += sizeof(*fadt); |
| |
| /* XXX: FACS should be in RAM */ |
| addr = (addr + 63) & ~63; /* 64 byte alignment for FACS */ |
| facs_addr = addr; |
| facs = (void *)(phys_ram_base + addr); |
| addr += sizeof(*facs); |
| |
| dsdt_addr = addr; |
| dsdt = (void *)(phys_ram_base + addr); |
| addr += sizeof(AmlCode); |
| |
| addr = (addr + 7) & ~7; |
| madt_addr = addr; |
| madt_size = sizeof(*madt) + |
| sizeof(struct madt_processor_apic) * smp_cpus + |
| sizeof(struct madt_io_apic); |
| madt = (void *)(phys_ram_base + addr); |
| addr += madt_size; |
| |
| acpi_tables_size = addr - base_addr; |
| |
| cpu_register_physical_memory(base_addr, acpi_tables_size, |
| base_addr | IO_MEM_ROM); |
| |
| /* RSDP */ |
| memset(rsdp, 0, sizeof(*rsdp)); |
| memcpy(rsdp->signature, "RSD PTR ", 8); |
| memcpy(rsdp->oem_id, "QEMU ", 6); |
| rsdp->rsdt_physical_address = cpu_to_le32(rsdt_addr); |
| rsdp->checksum = acpi_checksum((void *)rsdp, 20); |
| |
| /* RSDT */ |
| rsdt->table_offset_entry[0] = cpu_to_le32(fadt_addr); |
| rsdt->table_offset_entry[1] = cpu_to_le32(madt_addr); |
| acpi_build_table_header((struct acpi_table_header *)rsdt, |
| "RSDT", sizeof(*rsdt)); |
| |
| /* FADT */ |
| memset(fadt, 0, sizeof(*fadt)); |
| fadt->firmware_ctrl = cpu_to_le32(facs_addr); |
| fadt->dsdt = cpu_to_le32(dsdt_addr); |
| fadt->model = 1; |
| fadt->reserved1 = 0; |
| fadt->sci_int = cpu_to_le16(piix4_pm_state->dev.config[0x3c]); |
| fadt->smi_cmd = cpu_to_le32(SMI_CMD_IO_ADDR); |
| fadt->acpi_enable = 0xf1; |
| fadt->acpi_disable = 0xf0; |
| fadt->pm1a_evt_blk = cpu_to_le32(pm_io_base); |
| fadt->pm1a_cnt_blk = cpu_to_le32(pm_io_base + 0x04); |
| fadt->pm_tmr_blk = cpu_to_le32(pm_io_base + 0x08); |
| fadt->pm1_evt_len = 4; |
| fadt->pm1_cnt_len = 2; |
| fadt->pm_tmr_len = 4; |
| fadt->plvl2_lat = cpu_to_le16(50); |
| fadt->plvl3_lat = cpu_to_le16(50); |
| fadt->plvl3_lat = cpu_to_le16(50); |
| /* WBINVD + PROC_C1 + PWR_BUTTON + SLP_BUTTON + FIX_RTC */ |
| fadt->flags = cpu_to_le32((1 << 0) | (1 << 2) | (1 << 4) | (1 << 5) | (1 << 6)); |
| acpi_build_table_header((struct acpi_table_header *)fadt, "FACP", |
| sizeof(*fadt)); |
| |
| /* FACS */ |
| memset(facs, 0, sizeof(*facs)); |
| memcpy(facs->signature, "FACS", 4); |
| facs->length = cpu_to_le32(sizeof(*facs)); |
| |
| /* DSDT */ |
| memcpy(dsdt, AmlCode, sizeof(AmlCode)); |
| |
| /* MADT */ |
| { |
| struct madt_processor_apic *apic; |
| struct madt_io_apic *io_apic; |
| |
| memset(madt, 0, madt_size); |
| madt->local_apic_address = cpu_to_le32(0xfee00000); |
| madt->flags = cpu_to_le32(1); |
| apic = (void *)(madt + 1); |
| for(i=0;i<smp_cpus;i++) { |
| apic->type = APIC_PROCESSOR; |
| apic->length = sizeof(*apic); |
| apic->processor_id = i; |
| apic->local_apic_id = i; |
| apic->flags = cpu_to_le32(1); |
| apic++; |
| } |
| io_apic = (void *)apic; |
| io_apic->type = APIC_IO; |
| io_apic->length = sizeof(*io_apic); |
| io_apic->io_apic_id = smp_cpus; |
| io_apic->address = cpu_to_le32(0xfec00000); |
| io_apic->interrupt = cpu_to_le32(0); |
| |
| acpi_build_table_header((struct acpi_table_header *)madt, |
| "APIC", madt_size); |
| } |
| } |
