diff options
71 files changed, 2132 insertions, 434 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index fb5324285c..adc59735a9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -610,6 +610,7 @@ F: hw/*/*vhost* virtio M: Anthony Liguori <aliguori@amazon.com> +M: Michael S. Tsirkin <mst@redhat.com> S: Supported F: hw/*/virtio* diff --git a/Makefile b/Makefile index bdff4e4684..807054b3a1 100644 --- a/Makefile +++ b/Makefile @@ -290,7 +290,7 @@ common de-ch es fo fr-ca hu ja mk nl-be pt sl tr \ bepo cz ifdef INSTALL_BLOBS -BLOBS=bios.bin sgabios.bin vgabios.bin vgabios-cirrus.bin \ +BLOBS=bios.bin bios-256k.bin sgabios.bin vgabios.bin vgabios-cirrus.bin \ vgabios-stdvga.bin vgabios-vmware.bin vgabios-qxl.bin \ acpi-dsdt.aml q35-acpi-dsdt.aml \ ppc_rom.bin openbios-sparc32 openbios-sparc64 openbios-ppc QEMU,tcx.bin \ diff --git a/configure b/configure index b472694cb2..236764a3bd 100755 --- a/configure +++ b/configure @@ -4774,6 +4774,10 @@ for bios_file in \ do FILES="$FILES pc-bios/`basename $bios_file`" done +for test_file in `find $source_path/tests/acpi-test-data -type f` +do + FILES="$FILES tests/acpi-test-data`echo $test_file | sed -e 's/.*acpi-test-data//'`" +done mkdir -p $DIRS for f in $FILES ; do if [ -e "$source_path/$f" ] && [ "$source_path" != `pwd` ]; then diff --git a/disas/i386.c b/disas/i386.c index 47f1f2ea61..044e02c032 100644 --- a/disas/i386.c +++ b/disas/i386.c @@ -2632,17 +2632,17 @@ static const struct dis386 prefix_user_table[][4] = { /* PREGRP87 */ { + { "movbe", { Gv, Ev } }, { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, + { "movbe", { Gv, Ev } }, { "crc32", { Gdq, { CRC32_Fixup, b_mode } } }, }, /* PREGRP88 */ { + { "movbe", { Ev, Gv } }, { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, + { "movbe", { Ev, Gv } }, { "crc32", { Gdq, { CRC32_Fixup, v_mode } } }, }, diff --git a/docs/qmp/qmp-events.txt b/docs/qmp/qmp-events.txt index 6b87e9786a..a378c87583 100644 --- a/docs/qmp/qmp-events.txt +++ b/docs/qmp/qmp-events.txt @@ -479,7 +479,7 @@ Data: None. Example: -{ "event": "WATCHDOG", +{ "event": "WAKEUP", "timestamp": { "seconds": 1344522075, "microseconds": 745528 } } WATCHDOG diff --git a/docs/specs/acpi_cpu_hotplug.txt b/docs/specs/acpi_cpu_hotplug.txt index f6f577457d..340b751a95 100644 --- a/docs/specs/acpi_cpu_hotplug.txt +++ b/docs/specs/acpi_cpu_hotplug.txt @@ -10,7 +10,9 @@ ACPI GPE block (IO ports 0xafe0-0xafe3, byte access): Generic ACPI GPE block. Bit 2 (GPE.2) used to notify CPU hot-add/remove event to ACPI BIOS, via SCI interrupt. -CPU present bitmap (IO port 0xaf00-0xaf1f, 1-byte access): +CPU present bitmap for: + ICH9-LPC (IO port 0x0cd8-0xcf7, 1-byte access) + PIIX-PM (IO port 0xaf00-0xaf1f, 1-byte access) --------------------------------------------------------------- One bit per CPU. Bit position reflects corresponding CPU APIC ID. Read-only. diff --git a/hw/acpi/Makefile.objs b/hw/acpi/Makefile.objs index a0b63b5626..397d32babd 100644 --- a/hw/acpi/Makefile.objs +++ b/hw/acpi/Makefile.objs @@ -1,2 +1 @@ -common-obj-$(CONFIG_ACPI) += core.o piix4.o ich9.o - +common-obj-$(CONFIG_ACPI) += core.o piix4.o ich9.o pcihp.o cpu_hotplug.o diff --git a/hw/acpi/cpu_hotplug.c b/hw/acpi/cpu_hotplug.c new file mode 100644 index 0000000000..48928dc0ea --- /dev/null +++ b/hw/acpi/cpu_hotplug.c @@ -0,0 +1,64 @@ +/* + * QEMU ACPI hotplug utilities + * + * Copyright (C) 2013 Red Hat Inc + * + * Authors: + * Igor Mammedov <imammedo@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#include "hw/hw.h" +#include "hw/acpi/cpu_hotplug.h" + +static uint64_t cpu_status_read(void *opaque, hwaddr addr, unsigned int size) +{ + AcpiCpuHotplug *cpus = opaque; + uint64_t val = cpus->sts[addr]; + + return val; +} + +static void cpu_status_write(void *opaque, hwaddr addr, uint64_t data, + unsigned int size) +{ + /* TODO: implement VCPU removal on guest signal that CPU can be removed */ +} + +static const MemoryRegionOps AcpiCpuHotplug_ops = { + .read = cpu_status_read, + .write = cpu_status_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid = { + .min_access_size = 1, + .max_access_size = 1, + }, +}; + +void AcpiCpuHotplug_add(ACPIGPE *gpe, AcpiCpuHotplug *g, CPUState *cpu) +{ + CPUClass *k = CPU_GET_CLASS(cpu); + int64_t cpu_id; + + *gpe->sts = *gpe->sts | ACPI_CPU_HOTPLUG_STATUS; + cpu_id = k->get_arch_id(CPU(cpu)); + g->sts[cpu_id / 8] |= (1 << (cpu_id % 8)); +} + +void AcpiCpuHotplug_init(MemoryRegion *parent, Object *owner, + AcpiCpuHotplug *gpe_cpu, uint16_t base) +{ + CPUState *cpu; + + CPU_FOREACH(cpu) { + CPUClass *cc = CPU_GET_CLASS(cpu); + int64_t id = cc->get_arch_id(cpu); + + g_assert((id / 8) < ACPI_GPE_PROC_LEN); + gpe_cpu->sts[id / 8] |= (1 << (id % 8)); + } + memory_region_init_io(&gpe_cpu->io, owner, &AcpiCpuHotplug_ops, + gpe_cpu, "acpi-cpu-hotplug", ACPI_GPE_PROC_LEN); + memory_region_add_subregion(parent, base, &gpe_cpu->io); +} diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c index 30f0df8713..0afac425ec 100644 --- a/hw/acpi/ich9.c +++ b/hw/acpi/ich9.c @@ -185,6 +185,15 @@ static void pm_powerdown_req(Notifier *n, void *opaque) acpi_pm1_evt_power_down(&pm->acpi_regs); } +static void ich9_cpu_added_req(Notifier *n, void *opaque) +{ + ICH9LPCPMRegs *pm = container_of(n, ICH9LPCPMRegs, cpu_added_notifier); + + assert(pm != NULL); + AcpiCpuHotplug_add(&pm->acpi_regs.gpe, &pm->gpe_cpu, CPU(opaque)); + acpi_update_sci(&pm->acpi_regs, pm->irq); +} + void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, qemu_irq sci_irq) { @@ -210,6 +219,11 @@ void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, qemu_register_reset(pm_reset, pm); pm->powerdown_notifier.notify = pm_powerdown_req; qemu_register_powerdown_notifier(&pm->powerdown_notifier); + + AcpiCpuHotplug_init(pci_address_space_io(lpc_pci), OBJECT(lpc_pci), + &pm->gpe_cpu, ICH9_CPU_HOTPLUG_IO_BASE); + pm->cpu_added_notifier.notify = ich9_cpu_added_req; + qemu_register_cpu_added_notifier(&pm->cpu_added_notifier); } static void ich9_pm_get_gpe0_blk(Object *obj, Visitor *v, diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c new file mode 100644 index 0000000000..3fa3d7c290 --- /dev/null +++ b/hw/acpi/pcihp.c @@ -0,0 +1,316 @@ +/* + * QEMU<->ACPI BIOS PCI hotplug interface + * + * QEMU supports PCI hotplug via ACPI. This module + * implements the interface between QEMU and the ACPI BIOS. + * Interface specification - see docs/specs/acpi_pci_hotplug.txt + * + * Copyright (c) 2013, Red Hat Inc, Michael S. Tsirkin (mst@redhat.com) + * 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, see <http://www.gnu.org/licenses/> + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#include "hw/acpi/pcihp.h" + +#include "hw/hw.h" +#include "hw/i386/pc.h" +#include "hw/pci/pci.h" +#include "hw/acpi/acpi.h" +#include "sysemu/sysemu.h" +#include "qemu/range.h" +#include "exec/ioport.h" +#include "exec/address-spaces.h" +#include "hw/pci/pci_bus.h" +#include "qom/qom-qobject.h" +#include "qapi/qmp/qint.h" + +//#define DEBUG + +#ifdef DEBUG +# define ACPI_PCIHP_DPRINTF(format, ...) printf(format, ## __VA_ARGS__) +#else +# define ACPI_PCIHP_DPRINTF(format, ...) do { } while (0) +#endif + +#define PCI_HOTPLUG_ADDR 0xae00 +#define PCI_HOTPLUG_SIZE 0x0014 +#define PCI_UP_BASE 0xae00 +#define PCI_DOWN_BASE 0xae04 +#define PCI_EJ_BASE 0xae08 +#define PCI_RMV_BASE 0xae0c +#define PCI_SEL_BASE 0xae10 + +typedef struct AcpiPciHpFind { + int bsel; + PCIBus *bus; +} AcpiPciHpFind; + +static int acpi_pcihp_get_bsel(PCIBus *bus) +{ + QObject *o = object_property_get_qobject(OBJECT(bus), + ACPI_PCIHP_PROP_BSEL, NULL); + int64_t bsel = -1; + if (o) { + bsel = qint_get_int(qobject_to_qint(o)); + } + if (bsel < 0) { + return -1; + } + return bsel; +} + +static void acpi_pcihp_test_hotplug_bus(PCIBus *bus, void *opaque) +{ + AcpiPciHpFind *find = opaque; + if (find->bsel == acpi_pcihp_get_bsel(bus)) { + find->bus = bus; + } +} + +static PCIBus *acpi_pcihp_find_hotplug_bus(AcpiPciHpState *s, int bsel) +{ + AcpiPciHpFind find = { .bsel = bsel, .bus = NULL }; + + if (bsel < 0) { + return NULL; + } + + pci_for_each_bus(s->root, acpi_pcihp_test_hotplug_bus, &find); + + /* Make bsel 0 eject root bus if bsel property is not set, + * for compatibility with non acpi setups. + * TODO: really needed? + */ + if (!bsel && !find.bus) { + find.bus = s->root; + } + return find.bus; +} + +static bool acpi_pcihp_pc_no_hotplug(AcpiPciHpState *s, PCIDevice *dev) +{ + PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev); + /* + * ACPI doesn't allow hotplug of bridge devices. Don't allow + * hot-unplug of bridge devices unless they were added by hotplug + * (and so, not described by acpi). + */ + return (pc->is_bridge && !dev->qdev.hotplugged) || pc->no_hotplug; +} + +static void acpi_pcihp_eject_slot(AcpiPciHpState *s, unsigned bsel, unsigned slots) +{ + BusChild *kid, *next; + int slot = ffs(slots) - 1; + bool slot_free = true; + PCIBus *bus = acpi_pcihp_find_hotplug_bus(s, bsel); + + if (!bus) { + return; + } + + /* Mark request as complete */ + s->acpi_pcihp_pci_status[bsel].down &= ~(1U << slot); + + QTAILQ_FOREACH_SAFE(kid, &bus->qbus.children, sibling, next) { + DeviceState *qdev = kid->child; + PCIDevice *dev = PCI_DEVICE(qdev); + if (PCI_SLOT(dev->devfn) == slot) { + if (acpi_pcihp_pc_no_hotplug(s, dev)) { + slot_free = false; + } else { + object_unparent(OBJECT(qdev)); + } + } + } + if (slot_free) { + s->acpi_pcihp_pci_status[bsel].device_present &= ~(1U << slot); + } +} + +static void acpi_pcihp_update_hotplug_bus(AcpiPciHpState *s, int bsel) +{ + BusChild *kid, *next; + PCIBus *bus = acpi_pcihp_find_hotplug_bus(s, bsel); + + /* Execute any pending removes during reset */ + while (s->acpi_pcihp_pci_status[bsel].down) { + acpi_pcihp_eject_slot(s, bsel, s->acpi_pcihp_pci_status[bsel].down); + } + + s->acpi_pcihp_pci_status[bsel].hotplug_enable = ~0; + s->acpi_pcihp_pci_status[bsel].device_present = 0; + + if (!bus) { + return; + } + QTAILQ_FOREACH_SAFE(kid, &bus->qbus.children, sibling, next) { + DeviceState *qdev = kid->child; + PCIDevice *pdev = PCI_DEVICE(qdev); + int slot = PCI_SLOT(pdev->devfn); + + if (acpi_pcihp_pc_no_hotplug(s, pdev)) { + s->acpi_pcihp_pci_status[bsel].hotplug_enable &= ~(1U << slot); + } + + s->acpi_pcihp_pci_status[bsel].device_present |= (1U << slot); + } +} + +static void acpi_pcihp_update(AcpiPciHpState *s) +{ + int i; + + for (i = 0; i < ACPI_PCIHP_MAX_HOTPLUG_BUS; ++i) { + acpi_pcihp_update_hotplug_bus(s, i); + } +} + +void acpi_pcihp_reset(AcpiPciHpState *s) +{ + acpi_pcihp_update(s); +} + +static void enable_device(AcpiPciHpState *s, unsigned bsel, int slot) +{ + s->acpi_pcihp_pci_status[bsel].device_present |= (1U << slot); +} + +static void disable_device(AcpiPciHpState *s, unsigned bsel, int slot) +{ + s->acpi_pcihp_pci_status[bsel].down |= (1U << slot); +} + +int acpi_pcihp_device_hotplug(AcpiPciHpState *s, PCIDevice *dev, + PCIHotplugState state) +{ + int slot = PCI_SLOT(dev->devfn); + int bsel = acpi_pcihp_get_bsel(dev->bus); + if (bsel < 0) { + return -1; + } + + /* Don't send event when device is enabled during qemu machine creation: + * it is present on boot, no hotplug event is necessary. We do send an + * event when the device is disabled later. */ + if (state == PCI_COLDPLUG_ENABLED) { + s->acpi_pcihp_pci_status[bsel].device_present |= (1U << slot); + return 0; + } + + if (state == PCI_HOTPLUG_ENABLED) { + enable_device(s, bsel, slot); + } else { + disable_device(s, bsel, slot); + } + + return 0; +} + +static uint64_t pci_read(void *opaque, hwaddr addr, unsigned int size) +{ + AcpiPciHpState *s = opaque; + uint32_t val = 0; + int bsel = s->hotplug_select; + + if (bsel < 0 || bsel > ACPI_PCIHP_MAX_HOTPLUG_BUS) { + return 0; + } + + switch (addr) { + case PCI_UP_BASE - PCI_HOTPLUG_ADDR: + /* Manufacture an "up" value to cause a device check on any hotplug + * slot with a device. Extra device checks are harmless. */ + val = s->acpi_pcihp_pci_status[bsel].device_present & + s->acpi_pcihp_pci_status[bsel].hotplug_enable; + ACPI_PCIHP_DPRINTF("pci_up_read %" PRIu32 "\n", val); + break; + case PCI_DOWN_BASE - PCI_HOTPLUG_ADDR: + val = s->acpi_pcihp_pci_status[bsel].down; + ACPI_PCIHP_DPRINTF("pci_down_read %" PRIu32 "\n", val); + break; + case PCI_EJ_BASE - PCI_HOTPLUG_ADDR: + /* No feature defined yet */ + ACPI_PCIHP_DPRINTF("pci_features_read %" PRIu32 "\n", val); + break; + case PCI_RMV_BASE - PCI_HOTPLUG_ADDR: + val = s->acpi_pcihp_pci_status[bsel].hotplug_enable; + ACPI_PCIHP_DPRINTF("pci_rmv_read %" PRIu32 "\n", val); + break; + case PCI_SEL_BASE - PCI_HOTPLUG_ADDR: + val = s->hotplug_select; + ACPI_PCIHP_DPRINTF("pci_sel_read %" PRIu32 "\n", val); + default: + break; + } + + return val; +} + +static void pci_write(void *opaque, hwaddr addr, uint64_t data, + unsigned int size) +{ + AcpiPciHpState *s = opaque; + switch (addr) { + case PCI_EJ_BASE - PCI_HOTPLUG_ADDR: + if (s->hotplug_select >= ACPI_PCIHP_MAX_HOTPLUG_BUS) { + break; + } + acpi_pcihp_eject_slot(s, s->hotplug_select, data); + ACPI_PCIHP_DPRINTF("pciej write %" HWADDR_PRIx " <== %" PRIu64 "\n", + addr, data); + break; + case PCI_SEL_BASE - PCI_HOTPLUG_ADDR: + s->hotplug_select = data; + ACPI_PCIHP_DPRINTF("pcisel write %" HWADDR_PRIx " <== %" PRIu64 "\n", + addr, data); + default: + break; + } +} + +static const MemoryRegionOps acpi_pcihp_io_ops = { + .read = pci_read, + .write = pci_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + }, +}; + +void acpi_pcihp_init(AcpiPciHpState *s, PCIBus *root_bus, + MemoryRegion *address_space_io) +{ + s->root= root_bus; + memory_region_init_io(&s->io, NULL, &acpi_pcihp_io_ops, s, + "acpi-pci-hotplug", + PCI_HOTPLUG_SIZE); + memory_region_add_subregion(address_space_io, PCI_HOTPLUG_ADDR, &s->io); +} + +const VMStateDescription vmstate_acpi_pcihp_pci_status = { + .name = "acpi_pcihp_pci_status", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .fields = (VMStateField []) { + VMSTATE_UINT32(up, AcpiPciHpPciStatus), + VMSTATE_UINT32(down, AcpiPciHpPciStatus), + VMSTATE_END_OF_LIST() + } +}; diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index 20353b983e..5d55a3c222 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -30,6 +30,8 @@ #include "hw/nvram/fw_cfg.h" #include "exec/address-spaces.h" #include "hw/acpi/piix4.h" +#include "hw/acpi/pcihp.h" +#include "hw/acpi/cpu_hotplug.h" //#define DEBUG @@ -49,21 +51,13 @@ #define PCI_EJ_BASE 0xae08 #define PCI_RMV_BASE 0xae0c -#define PIIX4_PROC_BASE 0xaf00 -#define PIIX4_PROC_LEN 32 - #define PIIX4_PCI_HOTPLUG_STATUS 2 -#define PIIX4_CPU_HOTPLUG_STATUS 4 struct pci_status { uint32_t up; /* deprecated, maintained for migration compatibility */ uint32_t down; }; -typedef struct CPUStatus { - uint8_t sts[PIIX4_PROC_LEN]; -} CPUStatus; - typedef struct PIIX4PMState { /*< private >*/ PCIDevice parent_obj; @@ -73,8 +67,6 @@ typedef struct PIIX4PMState { uint32_t io_base; MemoryRegion io_gpe; - MemoryRegion io_pci; - MemoryRegion io_cpu; ACPIREGS ar; APMState apm; @@ -88,16 +80,21 @@ typedef struct PIIX4PMState { Notifier machine_ready; Notifier powerdown_notifier; - /* for pci hotplug */ + /* for legacy pci hotplug (compatible with qemu 1.6 and older) */ + MemoryRegion io_pci; struct pci_status pci0_status; uint32_t pci0_hotplug_enable; uint32_t pci0_slot_device_present; + /* for new pci hotplug (with PCI2PCI bridge support) */ + AcpiPciHpState acpi_pci_hotplug; + bool use_acpi_pci_hotplug; + uint8_t disable_s3; uint8_t disable_s4; uint8_t s4_val; - CPUStatus gpe_cpu; + AcpiCpuHotplug gpe_cpu; Notifier cpu_added_notifier; } PIIX4PMState; @@ -263,6 +260,18 @@ static int acpi_load_old(QEMUFile *f, void *opaque, int version_id) return ret; } +static bool vmstate_test_use_acpi_pci_hotplug(void *opaque, int version_id) +{ + PIIX4PMState *s = opaque; + return s->use_acpi_pci_hotplug; +} + +static bool vmstate_test_no_use_acpi_pci_hotplug(void *opaque, int version_id) +{ + PIIX4PMState *s = opaque; + return !s->use_acpi_pci_hotplug; +} + /* qemu-kvm 1.2 uses version 3 but advertised as 2 * To support incoming qemu-kvm 1.2 migration, change version_id * and minimum_version_id to 2 below (which breaks migration from @@ -285,8 +294,12 @@ static const VMStateDescription vmstate_acpi = { VMSTATE_TIMER(ar.tmr.timer, PIIX4PMState), VMSTATE_INT64(ar.tmr.overflow_time, PIIX4PMState), VMSTATE_STRUCT(ar.gpe, PIIX4PMState, 2, vmstate_gpe, ACPIGPE), - VMSTATE_STRUCT(pci0_status, PIIX4PMState, 2, vmstate_pci_status, - struct pci_status), + VMSTATE_STRUCT_TEST(pci0_status, PIIX4PMState, + vmstate_test_no_use_acpi_pci_hotplug, + 2, vmstate_pci_status, + struct pci_status), + VMSTATE_PCI_HOTPLUG(acpi_pci_hotplug, PIIX4PMState, + vmstate_test_use_acpi_pci_hotplug), VMSTATE_END_OF_LIST() } }; @@ -364,7 +377,11 @@ static void piix4_reset(void *opaque) pci_conf[0x5B] = 0x02; } pm_io_space_update(s); - piix4_update_hotplug(s); + if (s->use_acpi_pci_hotplug) { + acpi_pcihp_reset(&s->acpi_pci_hotplug); + } else { + piix4_update_hotplug(s); + } } static void piix4_pm_powerdown_req(Notifier *n, void *opaque) @@ -375,6 +392,26 @@ static void piix4_pm_powerdown_req(Notifier *n, void *opaque) acpi_pm1_evt_power_down(&s->ar); } +static int piix4_acpi_pci_hotplug(DeviceState *qdev, PCIDevice *dev, + PCIHotplugState state) +{ + PIIX4PMState *s = PIIX4_PM(qdev); + int ret = acpi_pcihp_device_hotplug(&s->acpi_pci_hotplug, dev, state); + if (ret < 0) { + return ret; + } + s->ar.gpe.sts[0] |= PIIX4_PCI_HOTPLUG_STATUS; + + acpi_update_sci(&s->ar, s->irq); + return 0; +} + +static void piix4_update_bus_hotplug(PCIBus *bus, void *opaque) +{ + PIIX4PMState *s = opaque; + pci_bus_hotplug(bus, piix4_acpi_pci_hotplug, DEVICE(s)); +} + static void piix4_pm_machine_ready(Notifier *n, void *opaque) { PIIX4PMState *s = container_of(n, PIIX4PMState, machine_ready); @@ -388,6 +425,10 @@ static void piix4_pm_machine_ready(Notifier *n, void *opaque) pci_conf[0x63] = 0x60; pci_conf[0x67] = (memory_region_present(io_as, 0x3f8) ? 0x08 : 0) | (memory_region_present(io_as, 0x2f8) ? 0x90 : 0); + + if (s->use_acpi_pci_hotplug) { + pci_for_each_bus(d->bus, piix4_update_bus_hotplug, s); + } } static void piix4_pm_add_propeties(PIIX4PMState *s) @@ -509,6 +550,8 @@ static Property piix4_pm_properties[] = { DEFINE_PROP_UINT8(ACPI_PM_PROP_S3_DISABLED, PIIX4PMState, disable_s3, 0), DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_DISABLED, PIIX4PMState, disable_s4, 0), DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_VAL, PIIX4PMState, s4_val, 2), + DEFINE_PROP_BOOL("acpi-pci-hotplug-with-bridge-support", PIIX4PMState, + use_acpi_pci_hotplug, true), DEFINE_PROP_END_OF_LIST(), }; @@ -632,61 +675,13 @@ static const MemoryRegionOps piix4_pci_ops = { }, }; -static uint64_t cpu_status_read(void *opaque, hwaddr addr, unsigned int size) -{ - PIIX4PMState *s = opaque; - CPUStatus *cpus = &s->gpe_cpu; - uint64_t val = cpus->sts[addr]; - - return val; -} - -static void cpu_status_write(void *opaque, hwaddr addr, uint64_t data, - unsigned int size) -{ - /* TODO: implement VCPU removal on guest signal that CPU can be removed */ -} - -static const MemoryRegionOps cpu_hotplug_ops = { - .read = cpu_status_read, - .write = cpu_status_write, - .endianness = DEVICE_LITTLE_ENDIAN, - .valid = { - .min_access_size = 1, - .max_access_size = 1, - }, -}; - -typedef enum { - PLUG, - UNPLUG, -} HotplugEventType; - -static void piix4_cpu_hotplug_req(PIIX4PMState *s, CPUState *cpu, - HotplugEventType action) -{ - CPUStatus *g = &s->gpe_cpu; - ACPIGPE *gpe = &s->ar.gpe; - CPUClass *k = CPU_GET_CLASS(cpu); - int64_t cpu_id; - - assert(s != NULL); - - *gpe->sts = *gpe->sts | PIIX4_CPU_HOTPLUG_STATUS; - cpu_id = k->get_arch_id(CPU(cpu)); - if (action == PLUG) { - g->sts[cpu_id / 8] |= (1 << (cpu_id % 8)); - } else { - g->sts[cpu_id / 8] &= ~(1 << (cpu_id % 8)); - } - acpi_update_sci(&s->ar, s->irq); -} - static void piix4_cpu_added_req(Notifier *n, void *opaque) { PIIX4PMState *s = container_of(n, PIIX4PMState, cpu_added_notifier); - piix4_cpu_hotplug_req(s, CPU(opaque), PLUG); + assert(s != NULL); + AcpiCpuHotplug_add(&s->ar.gpe, &s->gpe_cpu, CPU(opaque)); + acpi_update_sci(&s->ar, s->irq); } static int piix4_device_hotplug(DeviceState *qdev, PCIDevice *dev, @@ -695,28 +690,22 @@ static int piix4_device_hotplug(DeviceState *qdev, PCIDevice *dev, static void piix4_acpi_system_hot_add_init(MemoryRegion *parent, PCIBus *bus, PIIX4PMState *s) { - CPUState *cpu; - memory_region_init_io(&s->io_gpe, OBJECT(s), &piix4_gpe_ops, s, "acpi-gpe0", GPE_LEN); memory_region_add_subregion(parent, GPE_BASE, &s->io_gpe); - memory_region_init_io(&s->io_pci, OBJECT(s), &piix4_pci_ops, s, - "acpi-pci-hotplug", PCI_HOTPLUG_SIZE); - memory_region_add_subregion(parent, PCI_HOTPLUG_ADDR, - &s->io_pci); - pci_bus_hotplug(bus, piix4_device_hotplug, DEVICE(s)); - - CPU_FOREACH(cpu) { - CPUClass *cc = CPU_GET_CLASS(cpu); - int64_t id = cc->get_arch_id(cpu); - - g_assert((id / 8) < PIIX4_PROC_LEN); - s->gpe_cpu.sts[id / 8] |= (1 << (id % 8)); + if (s->use_acpi_pci_hotplug) { + acpi_pcihp_init(&s->acpi_pci_hotplug, bus, parent); + } else { + memory_region_init_io(&s->io_pci, OBJECT(s), &piix4_pci_ops, s, + "acpi-pci-hotplug", PCI_HOTPLUG_SIZE); + memory_region_add_subregion(parent, PCI_HOTPLUG_ADDR, + &s->io_pci); + pci_bus_hotplug(bus, piix4_device_hotplug, DEVICE(s)); } - memory_region_init_io(&s->io_cpu, OBJECT(s), &cpu_hotplug_ops, s, - "acpi-cpu-hotplug", PIIX4_PROC_LEN); - memory_region_add_subregion(parent, PIIX4_PROC_BASE, &s->io_cpu); + + AcpiCpuHotplug_init(parent, OBJECT(s), &s->gpe_cpu, + PIIX4_CPU_HOTPLUG_IO_BASE); s->cpu_added_notifier.notify = piix4_cpu_added_req; qemu_register_cpu_added_notifier(&s->cpu_added_notifier); } diff --git a/hw/display/xenfb.c b/hw/display/xenfb.c index f0333a0cad..cb9d456814 100644 --- a/hw/display/xenfb.c +++ b/hw/display/xenfb.c @@ -495,7 +495,7 @@ static int xenfb_map_fb(struct XenFB *xenfb) munmap(map, n_fbdirs * XC_PAGE_SIZE); xenfb->pixels = xc_map_foreign_pages(xen_xc, xenfb->c.xendev.dom, - PROT_READ | PROT_WRITE, fbmfns, xenfb->fbpages); + PROT_READ, fbmfns, xenfb->fbpages); if (xenfb->pixels == NULL) goto out; @@ -903,6 +903,11 @@ static void fb_disconnect(struct XenDevice *xendev) fb->pixels = mmap(fb->pixels, fb->fbpages * XC_PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); + if (fb->pixels == MAP_FAILED) { + xen_be_printf(xendev, 0, + "Couldn't replace the framebuffer with anonymous memory errno=%d\n", + errno); + } common_unbind(&fb->c); fb->feature_update = 0; fb->bug_trigger = 0; diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs index 09ac433cf9..3df1612651 100644 --- a/hw/i386/Makefile.objs +++ b/hw/i386/Makefile.objs @@ -17,7 +17,7 @@ iasl-option=$(shell if test -z "`$(1) $(2) 2>&1 > /dev/null`" \ ifdef IASL #IASL Present. Generate hex files from .dsl hw/i386/%.hex: $(SRC_PATH)/hw/i386/%.dsl $(SRC_PATH)/scripts/acpi_extract_preprocess.py $(SRC_PATH)/scripts/acpi_extract.py - $(call quiet-command, cpp -P $< -o $*.dsl.i.orig, " CPP $(TARGET_DIR)$*.dsl.i.orig") + $(call quiet-command, cpp -P $(QEMU_DGFLAGS) $(QEMU_INCLUDES) $< -o $*.dsl.i.orig, " CPP $(TARGET_DIR)$*.dsl.i.orig") $(call quiet-command, $(PYTHON) $(SRC_PATH)/scripts/acpi_extract_preprocess.py $*.dsl.i.orig > $*.dsl.i, " ACPI_PREPROCESS $(TARGET_DIR)$*.dsl.i") $(call quiet-command, $(IASL) $(call iasl-option,$(IASL),-Pn,) -vs -l -tc -p $* $*.dsl.i $(if $(V), , > /dev/null) 2>&1 ," IASL $(TARGET_DIR)$*.dsl.i") $(call quiet-command, $(PYTHON) $(SRC_PATH)/scripts/acpi_extract.py $*.lst > $*.off, " ACPI_EXTRACT $(TARGET_DIR)$*.off") diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 48312f5a83..50e83f3b46 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -36,9 +36,11 @@ #include "hw/nvram/fw_cfg.h" #include "bios-linker-loader.h" #include "hw/loader.h" +#include "hw/isa/isa.h" /* Supported chipsets: */ #include "hw/acpi/piix4.h" +#include "hw/acpi/pcihp.h" #include "hw/i386/ich9.h" #include "hw/pci/pci_bus.h" #include "hw/pci-host/q35.h" @@ -78,8 +80,15 @@ typedef struct AcpiMiscInfo { uint16_t pvpanic_port; } AcpiMiscInfo; +typedef struct AcpiBuildPciBusHotplugState { + GArray *device_table; + GArray *notify_table; + struct AcpiBuildPciBusHotplugState *parent; +} AcpiBuildPciBusHotplugState; + static void acpi_get_dsdt(AcpiMiscInfo *info) { + uint16_t *applesmc_sta; Object *piix = piix4_pm_find(); Object *lpc = ich9_lpc_find(); assert(!!piix != !!lpc); @@ -87,11 +96,17 @@ static void acpi_get_dsdt(AcpiMiscInfo *info) if (piix) { info->dsdt_code = AcpiDsdtAmlCode; info->dsdt_size = sizeof AcpiDsdtAmlCode; + applesmc_sta = piix_dsdt_applesmc_sta; } if (lpc) { info->dsdt_code = Q35AcpiDsdtAmlCode; info->dsdt_size = sizeof Q35AcpiDsdtAmlCode; + applesmc_sta = q35_dsdt_applesmc_sta; } + + /* Patch in appropriate value for AppleSMC _STA */ + *(uint8_t *)(info->dsdt_code + *applesmc_sta) = + applesmc_find() ? 0x0b : 0x00; } static @@ -171,38 +186,6 @@ static void acpi_get_pm_info(AcpiPmInfo *pm) NULL); } -static void acpi_get_hotplug_info(AcpiMiscInfo *misc) -{ - int i; - PCIBus *bus = find_i440fx(); - - if (!bus) { - /* Only PIIX supports ACPI hotplug */ - memset(misc->slot_hotplug_enable, 0, sizeof misc->slot_hotplug_enable); - return; - } - - memset(misc->slot_hotplug_enable, 0xff, - DIV_ROUND_UP(PCI_SLOT_MAX, BITS_PER_BYTE)); - - for (i = 0; i < ARRAY_SIZE(bus->devices); ++i) { - PCIDeviceClass *pc; - PCIDevice *pdev = bus->devices[i]; - - if (!pdev) { - continue; - } - - pc = PCI_DEVICE_GET_CLASS(pdev); - - if (pc->no_hotplug) { - int slot = PCI_SLOT(i); - - clear_bit(slot, misc->slot_hotplug_enable); - } - } -} - static void acpi_get_misc_info(AcpiMiscInfo *info) { info->has_hpet = hpet_find(); @@ -368,6 +351,12 @@ static void build_package(GArray *package, uint8_t op, unsigned min_bytes) build_prepend_byte(package, op); } +static void build_extop_package(GArray *package, uint8_t op) +{ + build_package(package, op, 1); + build_prepend_byte(package, 0x5B); /* ExtOpPrefix */ +} + static void build_append_value(GArray *table, uint32_t value, int size) { uint8_t prefix; @@ -394,8 +383,44 @@ static void build_append_value(GArray *table, uint32_t value, int size) } } -static void build_append_notify_target(GArray *method, GArray *target_name, - uint32_t value, int size) +static void build_append_int(GArray *table, uint32_t value) +{ + if (value == 0x00) { + build_append_byte(table, 0x00); /* ZeroOp */ + } else if (value == 0x01) { + build_append_byte(table, 0x01); /* OneOp */ + } else if (value <= 0xFF) { + build_append_value(table, value, 1); + } else if (value <= 0xFFFFF) { + build_append_value(table, value, 2); + } else { + build_append_value(table, value, 4); + } +} + +static GArray *build_alloc_method(const char *name, uint8_t arg_count) +{ + GArray *method = build_alloc_array(); + + build_append_nameseg(method, "%s", name); + build_append_byte(method, arg_count); /* MethodFlags: ArgCount */ + + return method; +} + +static void build_append_and_cleanup_method(GArray *device, GArray *method) +{ + uint8_t op = 0x14; /* MethodOp */ + + build_package(method, op, 0); + + build_append_array(device, method); + build_free_array(method); +} + +static void build_append_notify_target_ifequal(GArray *method, + GArray *target_name, + uint32_t value, int size) { GArray *notify = build_alloc_array(); uint8_t op = 0xA0; /* IfOp */ @@ -415,6 +440,7 @@ static void build_append_notify_target(GArray *method, GArray *target_name, build_free_array(notify); } +/* End here */ #define ACPI_PORT_SMI_CMD 0x00b2 /* TODO: this is APM_CNT_IOPORT */ static inline void *acpi_data_push(GArray *table_data, unsigned size) @@ -624,44 +650,236 @@ static inline char acpi_get_hex(uint32_t val) #include "hw/i386/ssdt-pcihp.hex" static void -build_append_notify(GArray *device, const char *name, - const char *format, int skip, int count) +build_append_notify_method(GArray *device, const char *name, + const char *format, int count) { int i; - GArray *method = build_alloc_array(); - uint8_t op = 0x14; /* MethodOp */ + GArray *method = build_alloc_method(name, 2); - build_append_nameseg(method, "%s", name); - build_append_byte(method, 0x02); /* MethodFlags: ArgCount */ - for (i = skip; i < count; i++) { + for (i = 0; i < count; i++) { GArray *target = build_alloc_array(); build_append_nameseg(target, format, i); assert(i < 256); /* Fits in 1 byte */ - build_append_notify_target(method, target, i, 1); + build_append_notify_target_ifequal(method, target, i, 1); build_free_array(target); } - build_package(method, op, 2); - build_append_array(device, method); - build_free_array(method); + build_append_and_cleanup_method(device, method); } -static void patch_pcihp(int slot, uint8_t *ssdt_ptr, uint32_t eject) +static void patch_pcihp(int slot, uint8_t *ssdt_ptr) { - ssdt_ptr[ACPI_PCIHP_OFFSET_HEX] = acpi_get_hex(slot >> 4); - ssdt_ptr[ACPI_PCIHP_OFFSET_HEX + 1] = acpi_get_hex(slot); + unsigned devfn = PCI_DEVFN(slot, 0); + + ssdt_ptr[ACPI_PCIHP_OFFSET_HEX] = acpi_get_hex(devfn >> 4); + ssdt_ptr[ACPI_PCIHP_OFFSET_HEX + 1] = acpi_get_hex(devfn); ssdt_ptr[ACPI_PCIHP_OFFSET_ID] = slot; ssdt_ptr[ACPI_PCIHP_OFFSET_ADR + 2] = slot; +} + +/* Assign BSEL property to all buses. In the future, this can be changed + * to only assign to buses that support hotplug. + */ +static void *acpi_set_bsel(PCIBus *bus, void *opaque) +{ + unsigned *bsel_alloc = opaque; + unsigned *bus_bsel; + + if (bus->qbus.allow_hotplug) { + bus_bsel = g_malloc(sizeof *bus_bsel); - /* Runtime patching of ACPI_EJ0: to disable hotplug for a slot, - * replace the method name: _EJ0 by ACPI_EJ0_. + *bus_bsel = (*bsel_alloc)++; + object_property_add_uint32_ptr(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, + bus_bsel, NULL); + } + + return bsel_alloc; +} + +static void acpi_set_pci_info(void) +{ + PCIBus *bus = find_i440fx(); /* TODO: Q35 support */ + unsigned bsel_alloc = 0; + + if (bus) { + /* Scan all PCI buses. Set property to enable acpi based hotplug. */ + pci_for_each_bus_depth_first(bus, acpi_set_bsel, NULL, &bsel_alloc); + } +} + +static void build_pci_bus_state_init(AcpiBuildPciBusHotplugState *state, + AcpiBuildPciBusHotplugState *parent) +{ + state->parent = parent; + state->device_table = build_alloc_array(); + state->notify_table = build_alloc_array(); +} + +static void build_pci_bus_state_cleanup(AcpiBuildPciBusHotplugState *state) +{ + build_free_array(state->device_table); + build_free_array(state->notify_table); +} + +static void *build_pci_bus_begin(PCIBus *bus, void *parent_state) +{ + AcpiBuildPciBusHotplugState *parent = parent_state; + AcpiBuildPciBusHotplugState *child = g_malloc(sizeof *child); + + build_pci_bus_state_init(child, parent); + + return child; +} + +static void build_pci_bus_end(PCIBus *bus, void *bus_state) +{ + AcpiBuildPciBusHotplugState *child = bus_state; + AcpiBuildPciBusHotplugState *parent = child->parent; + GArray *bus_table = build_alloc_array(); + DECLARE_BITMAP(slot_hotplug_enable, PCI_SLOT_MAX); + uint8_t op; + int i; + QObject *bsel; + GArray *method; + bool bus_hotplug_support = false; + + if (bus->parent_dev) { + op = 0x82; /* DeviceOp */ + build_append_nameseg(bus_table, "S%.02X_", + bus->parent_dev->devfn); + build_append_byte(bus_table, 0x08); /* NameOp */ + build_append_nameseg(bus_table, "_SUN"); + build_append_value(bus_table, PCI_SLOT(bus->parent_dev->devfn), 1); + build_append_byte(bus_table, 0x08); /* NameOp */ + build_append_nameseg(bus_table, "_ADR"); + build_append_value(bus_table, (PCI_SLOT(bus->parent_dev->devfn) << 16) | + PCI_FUNC(bus->parent_dev->devfn), 4); + } else { + op = 0x10; /* ScopeOp */; + build_append_nameseg(bus_table, "PCI0"); + } + + bsel = object_property_get_qobject(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, NULL); + if (bsel) { + build_append_byte(bus_table, 0x08); /* NameOp */ + build_append_nameseg(bus_table, "BSEL"); + build_append_int(bus_table, qint_get_int(qobject_to_qint(bsel))); + + memset(slot_hotplug_enable, 0xff, sizeof slot_hotplug_enable); + + for (i = 0; i < ARRAY_SIZE(bus->devices); ++i) { + PCIDeviceClass *pc; + PCIDevice *pdev = bus->devices[i]; + + if (!pdev) { + continue; + } + + pc = PCI_DEVICE_GET_CLASS(pdev); + + if (pc->no_hotplug || pc->is_bridge) { + int slot = PCI_SLOT(i); + + clear_bit(slot, slot_hotplug_enable); + } + } + + /* Append Device object for each slot which supports eject */ + for (i = 0; i < PCI_SLOT_MAX; i++) { + bool can_eject = test_bit(i, slot_hotplug_enable); + if (can_eject) { + void *pcihp = acpi_data_push(bus_table, + ACPI_PCIHP_SIZEOF); + memcpy(pcihp, ACPI_PCIHP_AML, ACPI_PCIHP_SIZEOF); + patch_pcihp(i, pcihp); + bus_hotplug_support = true; + } + } + + method = build_alloc_method("DVNT", 2); + + for (i = 0; i < PCI_SLOT_MAX; i++) { + GArray *notify; + uint8_t op; + + if (!test_bit(i, slot_hotplug_enable)) { + continue; + } + + notify = build_alloc_array(); + op = 0xA0; /* IfOp */ + + build_append_byte(notify, 0x7B); /* AndOp */ + build_append_byte(notify, 0x68); /* Arg0Op */ + build_append_int(notify, 0x1 << i); + build_append_byte(notify, 0x00); /* NullName */ + build_append_byte(notify, 0x86); /* NotifyOp */ + build_append_nameseg(notify, "S%.02X_", PCI_DEVFN(i, 0)); + build_append_byte(notify, 0x69); /* Arg1Op */ + + /* Pack it up */ + build_package(notify, op, 0); + + build_append_array(method, notify); + + build_free_array(notify); + } + + build_append_and_cleanup_method(bus_table, method); + } + + /* Append PCNT method to notify about events on local and child buses. + * Add unconditionally for root since DSDT expects it. */ - /* Sanity check */ - assert(!memcmp(ssdt_ptr + ACPI_PCIHP_OFFSET_EJ0, "_EJ0", 4)); + if (bus_hotplug_support || child->notify_table->len || !bus->parent_dev) { + method = build_alloc_method("PCNT", 0); + + /* If bus supports hotplug select it and notify about local events */ + if (bsel) { + build_append_byte(method, 0x70); /* StoreOp */ + build_append_int(method, qint_get_int(qobject_to_qint(bsel))); + build_append_nameseg(method, "BNUM"); + build_append_nameseg(method, "DVNT"); + build_append_nameseg(method, "PCIU"); + build_append_int(method, 1); /* Device Check */ + build_append_nameseg(method, "DVNT"); + build_append_nameseg(method, "PCID"); + build_append_int(method, 3); /* Eject Request */ + } + + /* Notify about child bus events in any case */ + build_append_array(method, child->notify_table); + + build_append_and_cleanup_method(bus_table, method); + + /* Append description of child buses */ + build_append_array(bus_table, child->device_table); + + /* Pack it up */ + if (bus->parent_dev) { + build_extop_package(bus_table, op); + } else { + build_package(bus_table, op, 0); + } - if (!eject) { - memcpy(ssdt_ptr + ACPI_PCIHP_OFFSET_EJ0, "EJ0_", 4); + /* Append our bus description to parent table */ + build_append_array(parent->device_table, bus_table); + + /* Also tell parent how to notify us, invoking PCNT method. + * At the moment this is not needed for root as we have a single root. + */ + if (bus->parent_dev) { + build_append_byte(parent->notify_table, '^'); /* ParentPrefixChar */ + build_append_byte(parent->notify_table, 0x2E); /* DualNamePrefix */ + build_append_nameseg(parent->notify_table, "S%.02X_", + bus->parent_dev->devfn); + build_append_nameseg(parent->notify_table, "PCNT"); + } } + + build_free_array(bus_table); + build_pci_bus_state_cleanup(child); + g_free(child); } static void patch_pci_windows(PcPciInfo *pci, uint8_t *start, unsigned size) @@ -733,7 +951,7 @@ build_ssdt(GArray *table_data, GArray *linker, * Method(NTFY, 2) {If (LEqual(Arg0, 0x00)) {Notify(CP00, Arg1)} ...} */ /* Arg0 = Processor ID = APIC ID */ - build_append_notify(sb_scope, "NTFY", "CP%0.02X", 0, acpi_cpus); + build_append_notify_method(sb_scope, "NTFY", "CP%0.02X", acpi_cpus); /* build "Name(CPON, Package() { One, One, ..., Zero, Zero, ... })" */ build_append_byte(sb_scope, 0x08); /* NameOp */ @@ -755,24 +973,19 @@ build_ssdt(GArray *table_data, GArray *linker, } { - GArray *pci0 = build_alloc_array(); - uint8_t op = 0x10; /* ScopeOp */; + AcpiBuildPciBusHotplugState hotplug_state; + PCIBus *bus = find_i440fx(); /* TODO: Q35 support */ - build_append_nameseg(pci0, "PCI0"); + build_pci_bus_state_init(&hotplug_state, NULL); - /* build Device object for each slot */ - for (i = 1; i < PCI_SLOT_MAX; i++) { - bool eject = test_bit(i, misc->slot_hotplug_enable); - void *pcihp = acpi_data_push(pci0, ACPI_PCIHP_SIZEOF); - - memcpy(pcihp, ACPI_PCIHP_AML, ACPI_PCIHP_SIZEOF); - patch_pcihp(i, pcihp, eject); + if (bus) { + /* Scan all PCI buses. Generate tables to support hotplug. */ + pci_for_each_bus_depth_first(bus, build_pci_bus_begin, + build_pci_bus_end, &hotplug_state); } - build_append_notify(pci0, "PCNT", "S%0.02X_", 1, PCI_SLOT_MAX); - build_package(pci0, op, 3); - build_append_array(sb_scope, pci0); - build_free_array(pci0); + build_append_array(sb_scope, hotplug_state.device_table); + build_pci_bus_state_cleanup(&hotplug_state); } build_package(sb_scope, op, 3); @@ -867,16 +1080,16 @@ build_srat(GArray *table_data, GArray *linker, next_base = mem_base + mem_len; /* Cut out the ACPI_PCI hole */ - if (mem_base <= guest_info->ram_size && - next_base > guest_info->ram_size) { - mem_len -= next_base - guest_info->ram_size; + if (mem_base <= guest_info->ram_size_below_4g && + next_base > guest_info->ram_size_below_4g) { + mem_len -= next_base - guest_info->ram_size_below_4g; if (mem_len > 0) { numamem = acpi_data_push(table_data, sizeof *numamem); acpi_build_srat_memory(numamem, mem_base, mem_len, i-1, 1); } mem_base = 1ULL << 32; - mem_len = next_base - guest_info->ram_size; - next_base += (1ULL << 32) - guest_info->ram_size; + mem_len = next_base - guest_info->ram_size_below_4g; + next_base += (1ULL << 32) - guest_info->ram_size_below_4g; } numamem = acpi_data_push(table_data, sizeof *numamem); acpi_build_srat_memory(numamem, mem_base, mem_len, i - 1, 1); @@ -1055,7 +1268,6 @@ void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables) acpi_get_cpu_info(&cpu); acpi_get_pm_info(&pm); acpi_get_dsdt(&misc); - acpi_get_hotplug_info(&misc); acpi_get_misc_info(&misc); acpi_get_pci_info(&pci); @@ -1200,6 +1412,8 @@ void acpi_setup(PcGuestInfo *guest_info) build_state->guest_info = guest_info; + acpi_set_pci_info(); + acpi_build_tables_init(&tables); acpi_build(build_state->guest_info, &tables); diff --git a/hw/i386/acpi-dsdt-cpu-hotplug.dsl b/hw/i386/acpi-dsdt-cpu-hotplug.dsl index 995b415bae..dee4843cde 100644 --- a/hw/i386/acpi-dsdt-cpu-hotplug.dsl +++ b/hw/i386/acpi-dsdt-cpu-hotplug.dsl @@ -16,6 +16,7 @@ /**************************************************************** * CPU hotplug ****************************************************************/ +#define CPU_HOTPLUG_RESOURCE_DEVICE PRES Scope(\_SB) { /* Objects filled in by run-time generated SSDT */ @@ -52,7 +53,8 @@ Scope(\_SB) { Sleep(200) } - OperationRegion(PRST, SystemIO, 0xaf00, 32) +#define CPU_STATUS_LEN ACPI_GPE_PROC_LEN + OperationRegion(PRST, SystemIO, CPU_STATUS_BASE, CPU_STATUS_LEN) Field(PRST, ByteAcc, NoLock, Preserve) { PRS, 256 } @@ -89,4 +91,14 @@ Scope(\_SB) { Increment(Local0) } } + + Device(CPU_HOTPLUG_RESOURCE_DEVICE) { + Name(_HID, "ACPI0004") + + Name(_CRS, ResourceTemplate() { + IO(Decode16, CPU_STATUS_BASE, CPU_STATUS_BASE, 0, CPU_STATUS_LEN) + }) + + Name(_STA, 0xB) /* present, functioning, decoding, not shown in UI */ + } } diff --git a/hw/i386/acpi-dsdt-isa.dsl b/hw/i386/acpi-dsdt-isa.dsl index 89caa1649d..deb37de92e 100644 --- a/hw/i386/acpi-dsdt-isa.dsl +++ b/hw/i386/acpi-dsdt-isa.dsl @@ -16,6 +16,17 @@ /* Common legacy ISA style devices. */ Scope(\_SB.PCI0.ISA) { + Device (SMC) { + Name(_HID, EisaId("APP0001")) + /* _STA will be patched to 0x0B if AppleSMC is present */ + ACPI_EXTRACT_NAME_BYTE_CONST DSDT_APPLESMC_STA + Name(_STA, 0xF0) + Name(_CRS, ResourceTemplate () { + IO (Decode16, 0x0300, 0x0300, 0x01, 0x20) + IRQNoFlags() { 6 } + }) + } + Device(RTC) { Name(_HID, EisaId("PNP0B00")) Name(_CRS, ResourceTemplate() { diff --git a/hw/i386/acpi-dsdt-pci-crs.dsl b/hw/i386/acpi-dsdt-pci-crs.dsl index b375a19cf6..4648e90366 100644 --- a/hw/i386/acpi-dsdt-pci-crs.dsl +++ b/hw/i386/acpi-dsdt-pci-crs.dsl @@ -30,20 +30,7 @@ Scope(\_SB.PCI0) { 0x01, // Address Alignment 0x08, // Address Length ) - WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, - 0x0000, // Address Space Granularity - 0x0000, // Address Range Minimum - 0x0CF7, // Address Range Maximum - 0x0000, // Address Translation Offset - 0x0CF8, // Address Length - ,, , TypeStatic) - WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, - 0x0000, // Address Space Granularity - 0x0D00, // Address Range Minimum - 0xFFFF, // Address Range Maximum - 0x0000, // Address Translation Offset - 0xF300, // Address Length - ,, , TypeStatic) + BOARD_SPECIFIC_PCI_RESOURSES DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, 0x00000000, // Address Space Granularity 0x000A0000, // Address Range Minimum diff --git a/hw/i386/acpi-dsdt.dsl b/hw/i386/acpi-dsdt.dsl index a377424f39..b23d5e0eac 100644 --- a/hw/i386/acpi-dsdt.dsl +++ b/hw/i386/acpi-dsdt.dsl @@ -35,6 +35,45 @@ DefinitionBlock ( /**************************************************************** * PCI Bus definition ****************************************************************/ +#define BOARD_SPECIFIC_PCI_RESOURSES \ + WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \ + 0x0000, \ + 0x0000, \ + 0x0CF7, \ + 0x0000, \ + 0x0CF8, \ + ,, , TypeStatic) \ + WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \ + 0x0000, \ + 0x0D00, \ + 0xADFF, \ + 0x0000, \ + 0xA100, \ + ,, , TypeStatic) \ + /* 0xae00-0xae0e hole for PCI hotplug, hw/acpi/piix4.c:PCI_HOTPLUG_ADDR */ \ + WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \ + 0x0000, \ + 0xAE0F, \ + 0xAEFF, \ + 0x0000, \ + 0x00F1, \ + ,, , TypeStatic) \ + /* 0xaf00-0xaf1f hole for CPU hotplug, hw/acpi/piix4.c:PIIX4_PROC_BASE */ \ + WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \ + 0x0000, \ + 0xAF20, \ + 0xAFDF, \ + 0x0000, \ + 0x00C0, \ + ,, , TypeStatic) \ + /* 0xafe0-0xafe3 hole for ACPI.GPE0, hw/acpi/piix4.c:GPE_BASE */ \ + WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \ + 0x0000, \ + 0xAFE4, \ + 0xFFFF, \ + 0x0000, \ + 0x501C, \ + ,, , TypeStatic) Scope(\_SB) { Device(PCI0) { @@ -114,6 +153,7 @@ DefinitionBlock ( } } +#define DSDT_APPLESMC_STA piix_dsdt_applesmc_sta #include "acpi-dsdt-isa.dsl" @@ -133,32 +173,28 @@ DefinitionBlock ( B0EJ, 32, } + OperationRegion(BNMR, SystemIO, 0xae10, 0x04) + Field(BNMR, DWordAcc, NoLock, WriteAsZeros) { + BNUM, 32, + } + + /* Lock to protect access to fields above. */ + Mutex(BLCK, 0) + /* Methods called by bulk generated PCI devices below */ /* Methods called by hotplug devices */ - Method(PCEJ, 1, NotSerialized) { + Method(PCEJ, 2, NotSerialized) { // _EJ0 method - eject callback - Store(ShiftLeft(1, Arg0), B0EJ) + Acquire(BLCK, 0xFFFF) + Store(Arg0, BNUM) + Store(ShiftLeft(1, Arg1), B0EJ) + Release(BLCK) Return (0x0) } /* Hotplug notification method supplied by SSDT */ External(\_SB.PCI0.PCNT, MethodObj) - - /* PCI hotplug notify method */ - Method(PCNF, 0) { - // Local0 = iterator - Store(Zero, Local0) - While (LLess(Local0, 31)) { - Increment(Local0) - If (And(PCIU, ShiftLeft(1, Local0))) { - PCNT(Local0, 1) - } - If (And(PCID, ShiftLeft(1, Local0))) { - PCNT(Local0, 3) - } - } - } } @@ -293,6 +329,8 @@ DefinitionBlock ( } } +#include "hw/acpi/cpu_hotplug_defs.h" +#define CPU_STATUS_BASE PIIX4_CPU_HOTPLUG_IO_BASE #include "acpi-dsdt-cpu-hotplug.dsl" @@ -307,7 +345,9 @@ DefinitionBlock ( } Method(_E01) { // PCI hotplug event - \_SB.PCI0.PCNF() + Acquire(\_SB.PCI0.BLCK, 0xFFFF) + \_SB.PCI0.PCNT() + Release(\_SB.PCI0.BLCK) } Method(_E02) { // CPU hotplug event diff --git a/hw/i386/acpi-dsdt.hex.generated b/hw/i386/acpi-dsdt.hex.generated index f8bd4ea1b5..1e58801b2a 100644 --- a/hw/i386/acpi-dsdt.hex.generated +++ b/hw/i386/acpi-dsdt.hex.generated @@ -3,12 +3,12 @@ static unsigned char AcpiDsdtAmlCode[] = { 0x53, 0x44, 0x54, -0x37, +0x87, 0x11, 0x0, 0x0, 0x1, -0xd8, +0xb8, 0x42, 0x58, 0x50, @@ -860,8 +860,8 @@ static unsigned char AcpiDsdtAmlCode[] = { 0x4e, 0x1, 0x10, -0x4c, -0x1b, +0x4b, +0x1e, 0x2f, 0x3, 0x5f, @@ -879,6 +879,53 @@ static unsigned char AcpiDsdtAmlCode[] = { 0x5b, 0x82, 0x2d, +0x53, +0x4d, +0x43, +0x5f, +0x8, +0x5f, +0x48, +0x49, +0x44, +0xc, +0x6, +0x10, +0x0, +0x1, +0x8, +0x5f, +0x53, +0x54, +0x41, +0xb, +0x0, +0xff, +0x8, +0x5f, +0x43, +0x52, +0x53, +0x11, +0x10, +0xa, +0xd, +0x47, +0x1, +0x0, +0x3, +0x0, +0x3, +0x1, +0x20, +0x22, +0x40, +0x0, +0x79, +0x0, +0x5b, +0x82, +0x2d, 0x52, 0x54, 0x43, @@ -1305,7 +1352,7 @@ static unsigned char AcpiDsdtAmlCode[] = { 0x79, 0x0, 0x10, -0x4b, +0x48, 0x8, 0x2e, 0x5f, @@ -1371,79 +1418,76 @@ static unsigned char AcpiDsdtAmlCode[] = { 0x45, 0x4a, 0x20, +0x5b, +0x80, +0x42, +0x4e, +0x4d, +0x52, +0x1, +0xb, +0x10, +0xae, +0xa, +0x4, +0x5b, +0x81, +0xb, +0x42, +0x4e, +0x4d, +0x52, +0x43, +0x42, +0x4e, +0x55, +0x4d, +0x20, +0x5b, +0x1, +0x42, +0x4c, +0x43, +0x4b, +0x0, 0x14, -0x11, +0x25, 0x50, 0x43, 0x45, 0x4a, -0x1, +0x2, +0x5b, +0x23, +0x42, +0x4c, +0x43, +0x4b, +0xff, +0xff, 0x70, -0x79, -0x1, 0x68, -0x0, 0x42, -0x30, -0x45, -0x4a, -0xa4, -0x0, -0x14, -0x36, -0x50, -0x43, 0x4e, -0x46, -0x0, -0x70, -0x0, -0x60, -0xa2, -0x2c, -0x95, -0x60, -0xa, -0x1f, -0x75, -0x60, -0xa0, -0x11, -0x7b, -0x50, -0x43, -0x49, 0x55, +0x4d, +0x70, 0x79, 0x1, -0x60, +0x69, 0x0, -0x0, -0x50, -0x43, -0x4e, -0x54, -0x60, -0x1, -0xa0, -0x12, -0x7b, -0x50, +0x42, +0x30, +0x45, +0x4a, +0x5b, +0x27, +0x42, +0x4c, 0x43, -0x49, -0x44, -0x79, -0x1, -0x60, -0x0, +0x4b, +0xa4, 0x0, -0x50, -0x43, -0x4e, -0x54, -0x60, -0xa, -0x3, 0x10, 0x4a, 0xa0, @@ -4248,8 +4292,8 @@ static unsigned char AcpiDsdtAmlCode[] = { 0x75, 0x60, 0x10, -0x4e, -0x9, +0x42, +0xc, 0x5f, 0x47, 0x50, @@ -4277,12 +4321,31 @@ static unsigned char AcpiDsdtAmlCode[] = { 0x30, 0x0, 0x14, -0x15, +0x39, 0x5f, 0x45, 0x30, 0x31, 0x0, +0x5b, +0x23, +0x5c, +0x2f, +0x3, +0x5f, +0x53, +0x42, +0x5f, +0x50, +0x43, +0x49, +0x30, +0x42, +0x4c, +0x43, +0x4b, +0xff, +0xff, 0x5c, 0x2f, 0x3, @@ -4297,7 +4360,24 @@ static unsigned char AcpiDsdtAmlCode[] = { 0x50, 0x43, 0x4e, -0x46, +0x54, +0x5b, +0x27, +0x5c, +0x2f, +0x3, +0x5f, +0x53, +0x42, +0x5f, +0x50, +0x43, +0x49, +0x30, +0x42, +0x4c, +0x43, +0x4b, 0x14, 0x10, 0x5f, @@ -4407,3 +4487,6 @@ static unsigned char AcpiDsdtAmlCode[] = { 0x46, 0x0 }; +static unsigned short piix_dsdt_applesmc_sta[] = { +0x384 +}; diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 6f0be37d8b..348b15f267 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1072,6 +1072,7 @@ PcGuestInfo *pc_guest_info_init(ram_addr_t below_4g_mem_size, PcGuestInfo *guest_info = &guest_info_state->info; int i, j; + guest_info->ram_size_below_4g = below_4g_mem_size; guest_info->ram_size = below_4g_mem_size + above_4g_mem_size; guest_info->apic_id_limit = pc_apic_id_limit(max_cpus); guest_info->apic_xrupt_override = kvm_allows_irq0_override(); diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 07f38ff704..a7f626096a 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -51,6 +51,11 @@ static bool has_pci_info; static bool has_acpi_build = true; static bool smbios_type1_defaults = true; +/* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to + * host addresses aligned at 1Gbyte boundaries. This way we can use 1GByte + * pages in the host. + */ +static bool gigabyte_align = true; /* PC hardware initialisation */ static void pc_q35_init(QEMUMachineInitArgs *args) @@ -92,9 +97,19 @@ static void pc_q35_init(QEMUMachineInitArgs *args) kvmclock_create(); + /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory + * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping + * also known as MMCFG). + * If it doesn't, we need to split it in chunks below and above 4G. + * In any case, try to make sure that guest addresses aligned at + * 1G boundaries get mapped to host addresses aligned at 1G boundaries. + * For old machine types, use whatever split we used historically to avoid + * breaking migration. + */ if (args->ram_size >= 0xb0000000) { - above_4g_mem_size = args->ram_size - 0xb0000000; - below_4g_mem_size = 0xb0000000; + ram_addr_t lowmem = gigabyte_align ? 0x80000000 : 0xb0000000; + above_4g_mem_size = args->ram_size - lowmem; + below_4g_mem_size = lowmem; } else { above_4g_mem_size = 0; below_4g_mem_size = args->ram_size; @@ -228,6 +243,7 @@ static void pc_q35_init(QEMUMachineInitArgs *args) static void pc_compat_1_7(QEMUMachineInitArgs *args) { smbios_type1_defaults = false; + gigabyte_align = false; } static void pc_compat_1_6(QEMUMachineInitArgs *args) diff --git a/hw/i386/q35-acpi-dsdt.dsl b/hw/i386/q35-acpi-dsdt.dsl index 7934a9ddfb..d618e9e2d2 100644 --- a/hw/i386/q35-acpi-dsdt.dsl +++ b/hw/i386/q35-acpi-dsdt.dsl @@ -48,6 +48,22 @@ DefinitionBlock ( /**************************************************************** * PCI Bus definition ****************************************************************/ +#define BOARD_SPECIFIC_PCI_RESOURSES \ + WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \ + 0x0000, \ + 0x0000, \ + 0x0CD7, \ + 0x0000, \ + 0x0CD8, \ + ,, , TypeStatic) \ + /* 0xcd8-0xcf7 hole for CPU hotplug, hw/acpi/ich9.c:ICH9_PROC_BASE */ \ + WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, \ + 0x0000, \ + 0x0D00, \ + 0xFFFF, \ + 0x0000, \ + 0xF300, \ + ,, , TypeStatic) Scope(\_SB) { Device(PCI0) { @@ -171,6 +187,7 @@ DefinitionBlock ( } } +#define DSDT_APPLESMC_STA q35_dsdt_applesmc_sta #include "acpi-dsdt-isa.dsl" @@ -404,6 +421,8 @@ DefinitionBlock ( define_gsi_link(GSIH, 0, 0x17) } +#include "hw/acpi/cpu_hotplug_defs.h" +#define CPU_STATUS_BASE ICH9_CPU_HOTPLUG_IO_BASE #include "acpi-dsdt-cpu-hotplug.dsl" diff --git a/hw/i386/q35-acpi-dsdt.hex.generated b/hw/i386/q35-acpi-dsdt.hex.generated index 111ad3e9c2..6d885a9055 100644 --- a/hw/i386/q35-acpi-dsdt.hex.generated +++ b/hw/i386/q35-acpi-dsdt.hex.generated @@ -3,12 +3,12 @@ static unsigned char Q35AcpiDsdtAmlCode[] = { 0x53, 0x44, 0x54, -0xb0, +0xdf, 0x1c, 0x0, 0x0, 0x1, -0xfe, +0xff, 0x42, 0x58, 0x50, @@ -1033,8 +1033,8 @@ static unsigned char Q35AcpiDsdtAmlCode[] = { 0x4e, 0x1, 0x10, -0x4c, -0x1b, +0x4b, +0x1e, 0x2f, 0x3, 0x5f, @@ -1052,6 +1052,53 @@ static unsigned char Q35AcpiDsdtAmlCode[] = { 0x5b, 0x82, 0x2d, +0x53, +0x4d, +0x43, +0x5f, +0x8, +0x5f, +0x48, +0x49, +0x44, +0xc, +0x6, +0x10, +0x0, +0x1, +0x8, +0x5f, +0x53, +0x54, +0x41, +0xb, +0x0, +0xff, +0x8, +0x5f, +0x43, +0x52, +0x53, +0x11, +0x10, +0xa, +0xd, +0x47, +0x1, +0x0, +0x3, +0x0, +0x3, +0x1, +0x20, +0x22, +0x40, +0x0, +0x79, +0x0, +0x5b, +0x82, +0x2d, 0x52, 0x54, 0x43, @@ -7229,12 +7276,19 @@ static unsigned char Q35AcpiDsdtAmlCode[] = { 0x30, 0x0, 0x14, -0x10, +0x6, 0x5f, 0x4c, 0x30, 0x31, 0x0, +0x14, +0x10, +0x5f, +0x45, +0x30, +0x32, +0x0, 0x5c, 0x2e, 0x5f, @@ -7250,13 +7304,6 @@ static unsigned char Q35AcpiDsdtAmlCode[] = { 0x5f, 0x4c, 0x30, -0x32, -0x0, -0x14, -0x6, -0x5f, -0x4c, -0x30, 0x33, 0x0, 0x14, @@ -7344,3 +7391,6 @@ static unsigned char Q35AcpiDsdtAmlCode[] = { 0x46, 0x0 }; +static unsigned short q35_dsdt_applesmc_sta[] = { +0x431 +}; diff --git a/hw/i386/ssdt-pcihp.dsl b/hw/i386/ssdt-pcihp.dsl index d29a5b95d2..cc245c3e7c 100644 --- a/hw/i386/ssdt-pcihp.dsl +++ b/hw/i386/ssdt-pcihp.dsl @@ -25,6 +25,7 @@ DefinitionBlock ("ssdt-pcihp.aml", "SSDT", 0x01, "BXPC", "BXSSDTPCIHP", 0x1) /* Objects supplied by DSDT */ External(\_SB.PCI0, DeviceObj) External(\_SB.PCI0.PCEJ, MethodObj) + External(BSEL, IntObj) Scope(\_SB.PCI0) { @@ -33,19 +34,17 @@ DefinitionBlock ("ssdt-pcihp.aml", "SSDT", 0x01, "BXPC", "BXSSDTPCIHP", 0x1) ACPI_EXTRACT_DEVICE_END ssdt_pcihp_end ACPI_EXTRACT_DEVICE_STRING ssdt_pcihp_name - // Method _EJ0 can be patched by BIOS to EJ0_ - // at runtime, if the slot is detected to not support hotplug. - // Extract the offset of the address dword and the - // _EJ0 name to allow this patching. + // Extract the offsets of the device name, address dword and the slot + // name byte - we fill them in for each device. Device(SAA) { ACPI_EXTRACT_NAME_BYTE_CONST ssdt_pcihp_id Name(_SUN, 0xAA) ACPI_EXTRACT_NAME_DWORD_CONST ssdt_pcihp_adr Name(_ADR, 0xAA0000) - ACPI_EXTRACT_METHOD_STRING ssdt_pcihp_ej0 Method(_EJ0, 1) { - Return (PCEJ(_SUN)) + PCEJ(BSEL, _SUN) } } + } } diff --git a/hw/i386/ssdt-pcihp.hex.generated b/hw/i386/ssdt-pcihp.hex.generated index b3c2cd5cf9..610a631fd1 100644 --- a/hw/i386/ssdt-pcihp.hex.generated +++ b/hw/i386/ssdt-pcihp.hex.generated @@ -5,19 +5,19 @@ static unsigned char ssdt_pcihp_adr[] = { 0x44 }; static unsigned char ssdt_pcihp_end[] = { -0x58 +0x5b }; static unsigned char ssdp_pcihp_aml[] = { 0x53, 0x53, 0x44, 0x54, -0x58, +0x5b, 0x0, 0x0, 0x0, 0x1, -0x76, +0xe8, 0x42, 0x58, 0x50, @@ -45,7 +45,7 @@ static unsigned char ssdp_pcihp_aml[] = { 0x13, 0x20, 0x10, -0x33, +0x36, 0x5c, 0x2e, 0x5f, @@ -58,7 +58,7 @@ static unsigned char ssdp_pcihp_aml[] = { 0x30, 0x5b, 0x82, -0x26, +0x29, 0x53, 0x41, 0x41, @@ -81,17 +81,20 @@ static unsigned char ssdp_pcihp_aml[] = { 0xaa, 0x0, 0x14, -0xf, +0x12, 0x5f, 0x45, 0x4a, 0x30, 0x1, -0xa4, 0x50, 0x43, 0x45, 0x4a, +0x42, +0x53, +0x45, +0x4c, 0x5f, 0x53, 0x55, @@ -103,6 +106,3 @@ static unsigned char ssdt_pcihp_start[] = { static unsigned char ssdt_pcihp_id[] = { 0x3d }; -static unsigned char ssdt_pcihp_ej0[] = { -0x4a -}; diff --git a/hw/i386/ssdt-proc.hex.generated b/hw/i386/ssdt-proc.hex.generated index bb9920d3c9..97e28d4820 100644 --- a/hw/i386/ssdt-proc.hex.generated +++ b/hw/i386/ssdt-proc.hex.generated @@ -11,7 +11,7 @@ static unsigned char ssdp_proc_aml[] = { 0x0, 0x0, 0x1, -0xb8, +0x78, 0x42, 0x58, 0x50, @@ -47,8 +47,8 @@ static unsigned char ssdp_proc_aml[] = { 0x41, 0x41, 0xaa, -0x10, -0xb0, +0x0, +0x0, 0x0, 0x0, 0x0, diff --git a/hw/ide/core.c b/hw/ide/core.c index 036cd4a6d1..e1dfe54df6 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -1321,6 +1321,7 @@ static bool cmd_exec_dev_diagnostic(IDEState *s, uint8_t cmd) s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet * devices to return a clear status register * with READY_STAT *not* set. */ + s->error = 0x01; } else { s->status = READY_STAT | SEEK_STAT; /* The bits of the error register are not as usual for this command! diff --git a/hw/misc/applesmc.c b/hw/misc/applesmc.c index 1e8d183e7f..627adb97c9 100644 --- a/hw/misc/applesmc.c +++ b/hw/misc/applesmc.c @@ -66,7 +66,6 @@ struct AppleSMCData { QLIST_ENTRY(AppleSMCData) node; }; -#define TYPE_APPLE_SMC "isa-applesmc" #define APPLE_SMC(obj) OBJECT_CHECK(AppleSMCState, (obj), TYPE_APPLE_SMC) typedef struct AppleSMCState AppleSMCState; diff --git a/hw/net/lan9118.c b/hw/net/lan9118.c index 2315f996d4..e528290b41 100644 --- a/hw/net/lan9118.c +++ b/hw/net/lan9118.c @@ -727,14 +727,14 @@ static void tx_fifo_push(lan9118_state *s, uint32_t val) s->txp->cmd_a = val & 0x831f37ff; s->txp->fifo_used++; s->txp->state = TX_B; + s->txp->buffer_size = extract32(s->txp->cmd_a, 0, 11); + s->txp->offset = extract32(s->txp->cmd_a, 16, 5); break; case TX_B: if (s->txp->cmd_a & 0x2000) { /* First segment */ s->txp->cmd_b = val; s->txp->fifo_used++; - s->txp->buffer_size = s->txp->cmd_a & 0x7ff; - s->txp->offset = (s->txp->cmd_a >> 16) & 0x1f; /* End alignment does not include command words. */ n = (s->txp->buffer_size + s->txp->offset + 3) >> 2; switch ((n >> 24) & 3) { @@ -763,7 +763,7 @@ static void tx_fifo_push(lan9118_state *s, uint32_t val) if (s->txp->buffer_size <= 0 && s->txp->pad != 0) { s->txp->pad--; } else { - n = 4; + n = MIN(4, s->txp->buffer_size + s->txp->offset); while (s->txp->offset) { val >>= 8; n--; diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index 006576db31..854997d9ba 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -321,7 +321,7 @@ void vhost_net_ack_features(struct vhost_net *net, unsigned features) bool vhost_net_virtqueue_pending(VHostNetState *net, int idx) { - return -ENOSYS; + return false; } void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev, diff --git a/hw/pci/pci.c b/hw/pci/pci.c index aa2a395499..1221f32847 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -793,6 +793,15 @@ static void pci_config_free(PCIDevice *pci_dev) g_free(pci_dev->used); } +static void do_pci_unregister_device(PCIDevice *pci_dev) +{ + pci_dev->bus->devices[pci_dev->devfn] = NULL; + pci_config_free(pci_dev); + + address_space_destroy(&pci_dev->bus_master_as); + memory_region_destroy(&pci_dev->bus_master_enable_region); +} + /* -1 for devfn means auto assign */ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus, const char *name, int devfn) @@ -858,7 +867,7 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus, pci_init_mask_bridge(pci_dev); } if (pci_init_multifunction(bus, pci_dev)) { - pci_config_free(pci_dev); + do_pci_unregister_device(pci_dev); return NULL; } @@ -873,15 +882,6 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus, return pci_dev; } -static void do_pci_unregister_device(PCIDevice *pci_dev) -{ - pci_dev->bus->devices[pci_dev->devfn] = NULL; - pci_config_free(pci_dev); - - address_space_destroy(&pci_dev->bus_master_as); - memory_region_destroy(&pci_dev->bus_master_enable_region); -} - static void pci_unregister_io_regions(PCIDevice *pci_dev) { PCIIORegion *r; @@ -1704,6 +1704,34 @@ static PCIBus *pci_find_bus_nr(PCIBus *bus, int bus_num) return NULL; } +void pci_for_each_bus_depth_first(PCIBus *bus, + void *(*begin)(PCIBus *bus, void *parent_state), + void (*end)(PCIBus *bus, void *state), + void *parent_state) +{ + PCIBus *sec; + void *state; + + if (!bus) { + return; + } + + if (begin) { + state = begin(bus, parent_state); + } else { + state = parent_state; + } + + QLIST_FOREACH(sec, &bus->child, sibling) { + pci_for_each_bus_depth_first(sec, begin, end, state); + } + + if (end) { + end(bus, state); + } +} + + PCIDevice *pci_find_device(PCIBus *bus, int bus_num, uint8_t devfn) { bus = pci_find_bus_nr(bus, bus_num); diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c index d9754dbd33..a470a0b3a6 100644 --- a/hw/virtio/virtio-balloon.c +++ b/hw/virtio/virtio-balloon.c @@ -263,7 +263,7 @@ static void virtio_balloon_get_config(VirtIODevice *vdev, uint8_t *config_data) config.num_pages = cpu_to_le32(dev->num_pages); config.actual = cpu_to_le32(dev->actual); - memcpy(config_data, &config, 8); + memcpy(config_data, &config, sizeof(struct virtio_balloon_config)); } static void virtio_balloon_set_config(VirtIODevice *vdev, @@ -272,7 +272,7 @@ static void virtio_balloon_set_config(VirtIODevice *vdev, VirtIOBalloon *dev = VIRTIO_BALLOON(vdev); struct virtio_balloon_config config; uint32_t oldactual = dev->actual; - memcpy(&config, config_data, 8); + memcpy(&config, config_data, sizeof(struct virtio_balloon_config)); dev->actual = le32_to_cpu(config.actual); if (dev->actual != oldactual) { qemu_balloon_changed(ram_size - @@ -343,7 +343,8 @@ static void virtio_balloon_device_realize(DeviceState *dev, Error **errp) VirtIOBalloon *s = VIRTIO_BALLOON(dev); int ret; - virtio_init(vdev, "virtio-balloon", VIRTIO_ID_BALLOON, 8); + virtio_init(vdev, "virtio-balloon", VIRTIO_ID_BALLOON, + sizeof(struct virtio_balloon_config)); ret = qemu_add_balloon_handler(virtio_balloon_to_target, virtio_balloon_stat, s); diff --git a/hw/xen/xen_pt.c b/hw/xen/xen_pt.c index d58cb616b1..be4220b415 100644 --- a/hw/xen/xen_pt.c +++ b/hw/xen/xen_pt.c @@ -420,8 +420,8 @@ static int xen_pt_register_regions(XenPCIPassthroughState *s) "xen-pci-pt-bar", r->size); pci_register_bar(&s->dev, i, type, &s->bar[i]); - XEN_PT_LOG(&s->dev, "IO region %i registered (size=0x%lx"PRIx64 - " base_addr=0x%lx"PRIx64" type: %#x)\n", + XEN_PT_LOG(&s->dev, "IO region %i registered (size=0x%08"PRIx64 + " base_addr=0x%08"PRIx64" type: %#x)\n", i, r->size, r->base_addr, type); } @@ -440,8 +440,8 @@ static int xen_pt_register_regions(XenPCIPassthroughState *s) s->bases[PCI_ROM_SLOT].access.maddr = d->rom.base_addr; - memory_region_init_rom_device(&s->rom, OBJECT(s), NULL, NULL, - "xen-pci-pt-rom", d->rom.size); + memory_region_init_io(&s->rom, OBJECT(s), &ops, &s->dev, + "xen-pci-pt-rom", d->rom.size); pci_register_bar(&s->dev, PCI_ROM_SLOT, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->rom); diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index 33c8acc02e..481a447417 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -79,6 +79,7 @@ static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start, xen_modified_memory(start, length); } +#if !defined(_WIN32) static inline void cpu_physical_memory_set_dirty_lebitmap(unsigned long *bitmap, ram_addr_t start, ram_addr_t pages) @@ -127,6 +128,7 @@ static inline void cpu_physical_memory_set_dirty_lebitmap(unsigned long *bitmap, } } } +#endif /* not _WIN32 */ static inline void cpu_physical_memory_clear_dirty_range(ram_addr_t start, ram_addr_t length, diff --git a/include/hw/acpi/cpu_hotplug.h b/include/hw/acpi/cpu_hotplug.h new file mode 100644 index 0000000000..4576400fd7 --- /dev/null +++ b/include/hw/acpi/cpu_hotplug.h @@ -0,0 +1,27 @@ +/* + * QEMU ACPI hotplug utilities + * + * Copyright (C) 2013 Red Hat Inc + * + * Authors: + * Igor Mammedov <imammedo@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#ifndef ACPI_HOTPLUG_H +#define ACPI_HOTPLUG_H + +#include "hw/acpi/acpi.h" +#include "hw/acpi/cpu_hotplug_defs.h" + +typedef struct AcpiCpuHotplug { + MemoryRegion io; + uint8_t sts[ACPI_GPE_PROC_LEN]; +} AcpiCpuHotplug; + +void AcpiCpuHotplug_add(ACPIGPE *gpe, AcpiCpuHotplug *g, CPUState *cpu); + +void AcpiCpuHotplug_init(MemoryRegion *parent, Object *owner, + AcpiCpuHotplug *gpe_cpu, uint16_t base); +#endif diff --git a/include/hw/acpi/cpu_hotplug_defs.h b/include/hw/acpi/cpu_hotplug_defs.h new file mode 100644 index 0000000000..2725b50aac --- /dev/null +++ b/include/hw/acpi/cpu_hotplug_defs.h @@ -0,0 +1,24 @@ +/* + * QEMU ACPI hotplug utilities shared defines + * + * Copyright (C) 2013 Red Hat Inc + * + * Authors: + * Igor Mammedov <imammedo@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#ifndef ACPI_HOTPLUG_DEFS_H +#define ACPI_HOTPLUG_DEFS_H + +/* + * ONLY DEFINEs are permited in this file since it's shared + * between C and ASL code. + */ +#define ACPI_CPU_HOTPLUG_STATUS 4 +#define ACPI_GPE_PROC_LEN 32 +#define ICH9_CPU_HOTPLUG_IO_BASE 0x0CD8 +#define PIIX4_CPU_HOTPLUG_IO_BASE 0xaf00 + +#endif diff --git a/include/hw/acpi/ich9.h b/include/hw/acpi/ich9.h index 82fcf9f2eb..104f419852 100644 --- a/include/hw/acpi/ich9.h +++ b/include/hw/acpi/ich9.h @@ -22,6 +22,7 @@ #define HW_ACPI_ICH9_H #include "hw/acpi/acpi.h" +#include "hw/acpi/cpu_hotplug.h" typedef struct ICH9LPCPMRegs { /* @@ -42,6 +43,9 @@ typedef struct ICH9LPCPMRegs { uint32_t pm_io_base; Notifier powerdown_notifier; + + AcpiCpuHotplug gpe_cpu; + Notifier cpu_added_notifier; } ICH9LPCPMRegs; void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, diff --git a/include/hw/acpi/pcihp.h b/include/hw/acpi/pcihp.h new file mode 100644 index 0000000000..6230e60954 --- /dev/null +++ b/include/hw/acpi/pcihp.h @@ -0,0 +1,72 @@ +/* + * QEMU<->ACPI BIOS PCI hotplug interface + * + * QEMU supports PCI hotplug via ACPI. This module + * implements the interface between QEMU and the ACPI BIOS. + * Interface specification - see docs/specs/acpi_pci_hotplug.txt + * + * Copyright (c) 2013, Red Hat Inc, Michael S. Tsirkin (mst@redhat.com) + * 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, see <http://www.gnu.org/licenses/> + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#ifndef HW_ACPI_PCIHP_H +#define HW_ACPI_PCIHP_H + +#include <inttypes.h> +#include <qemu/typedefs.h> +#include "hw/pci/pci.h" /* for PCIHotplugState */ + +typedef struct AcpiPciHpPciStatus { + uint32_t up; /* deprecated, maintained for migration compatibility */ + uint32_t down; + uint32_t hotplug_enable; + uint32_t device_present; +} AcpiPciHpPciStatus; + +#define ACPI_PCIHP_PROP_BSEL "acpi-pcihp-bsel" +#define ACPI_PCIHP_MAX_HOTPLUG_BUS 256 + +typedef struct AcpiPciHpState { + AcpiPciHpPciStatus acpi_pcihp_pci_status[ACPI_PCIHP_MAX_HOTPLUG_BUS]; + uint32_t hotplug_select; + PCIBus *root; + MemoryRegion io; +} AcpiPciHpState; + +void acpi_pcihp_init(AcpiPciHpState *, PCIBus *root, + MemoryRegion *address_space_io); + +/* Invoke on device hotplug */ +int acpi_pcihp_device_hotplug(AcpiPciHpState *, PCIDevice *, + PCIHotplugState state); + +/* Called on reset */ +void acpi_pcihp_reset(AcpiPciHpState *s); + +extern const VMStateDescription vmstate_acpi_pcihp_pci_status; + +#define VMSTATE_PCI_HOTPLUG(pcihp, state, test_pcihp) \ + VMSTATE_UINT32_TEST(pcihp.hotplug_select, state, \ + test_pcihp), \ + VMSTATE_STRUCT_ARRAY_TEST(pcihp.acpi_pcihp_pci_status, state, \ + ACPI_PCIHP_MAX_HOTPLUG_BUS, \ + test_pcihp, 1, \ + vmstate_acpi_pcihp_pci_status, \ + AcpiPciHpPciStatus) + +#endif diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 7fe2bd17f6..3e1e81b27b 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -35,7 +35,7 @@ typedef struct PcPciInfo { struct PcGuestInfo { bool has_pci_info; bool isapc_ram_fw; - hwaddr ram_size; + hwaddr ram_size, ram_size_below_4g; unsigned apic_id_limit; bool apic_xrupt_override; uint64_t numa_nodes; @@ -265,6 +265,11 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t); .driver = TYPE_USB_DEVICE,\ .property = "msos-desc",\ .value = "no",\ + },\ + {\ + .driver = "PIIX4_PM",\ + .property = "acpi-pci-hotplug-with-bridge-support",\ + .value = "off",\ } #define PC_COMPAT_1_6 \ diff --git a/include/hw/isa/isa.h b/include/hw/isa/isa.h index fa45a5b094..e0c749f9e9 100644 --- a/include/hw/isa/isa.h +++ b/include/hw/isa/isa.h @@ -20,6 +20,13 @@ #define TYPE_ISA_BUS "ISA" #define ISA_BUS(obj) OBJECT_CHECK(ISABus, (obj), TYPE_ISA_BUS) +#define TYPE_APPLE_SMC "isa-applesmc" + +static inline bool applesmc_find(void) +{ + return object_resolve_path_type("", TYPE_APPLE_SMC, NULL); +} + typedef struct ISADeviceClass { DeviceClass parent_class; } ISADeviceClass; diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 754b82de81..52523467b6 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -387,6 +387,20 @@ int pci_bus_num(PCIBus *s); void pci_for_each_device(PCIBus *bus, int bus_num, void (*fn)(PCIBus *bus, PCIDevice *d, void *opaque), void *opaque); +void pci_for_each_bus_depth_first(PCIBus *bus, + void *(*begin)(PCIBus *bus, void *parent_state), + void (*end)(PCIBus *bus, void *state), + void *parent_state); + +/* Use this wrapper when specific scan order is not required. */ +static inline +void pci_for_each_bus(PCIBus *bus, + void (*fn)(PCIBus *bus, void *opaque), + void *opaque) +{ + pci_for_each_bus_depth_first(bus, NULL, fn, opaque); +} + PCIBus *pci_find_primary_bus(void); PCIBus *pci_device_root_bus(const PCIDevice *d); const char *pci_root_bus_path(PCIDevice *dev); diff --git a/include/qemu/timer.h b/include/qemu/timer.h index 5afcffc3f9..7f9a074c2a 100644 --- a/include/qemu/timer.h +++ b/include/qemu/timer.h @@ -405,7 +405,7 @@ int64_t timerlistgroup_deadline_ns(QEMUTimerListGroup *tlg); * timer_init: * @ts: the timer to be initialised * @timer_list: the timer list to attach the timer to - * @scale: the scale value for the tiemr + * @scale: the scale value for the timer * @cb: the callback to be called when the timer expires * @opaque: the opaque pointer to be passed to the callback * @@ -422,7 +422,7 @@ void timer_init(QEMUTimer *ts, /** * timer_new_tl: * @timer_list: the timer list to attach the timer to - * @scale: the scale value for the tiemr + * @scale: the scale value for the timer * @cb: the callback to be called when the timer expires * @opaque: the opaque pointer to be passed to the callback * @@ -447,7 +447,7 @@ static inline QEMUTimer *timer_new_tl(QEMUTimerList *timer_list, /** * timer_new: * @type: the clock type to use - * @scale: the scale value for the tiemr + * @scale: the scale value for the timer * @cb: the callback to be called when the timer expires * @opaque: the opaque pointer to be passed to the callback * diff --git a/linux-user/s390x/syscall.h b/linux-user/s390x/syscall.h index ea8c304840..e5ce30b667 100644 --- a/linux-user/s390x/syscall.h +++ b/linux-user/s390x/syscall.h @@ -22,4 +22,4 @@ struct target_pt_regs { #define UNAME_MACHINE "s390x" -#define TARGET_CLONE_BACKWARDS +#define TARGET_CLONE_BACKWARDS2 diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 0ac05b85f2..bc0ac98d4f 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -2340,7 +2340,7 @@ static abi_long do_socketcall(int num, abi_ulong vptr) size_t len; abi_ulong flags; abi_ulong addr; - socklen_t addrlen; + abi_ulong addrlen; if (get_user_ual(sockfd, vptr) || get_user_ual(msg, vptr + n) @@ -2406,7 +2406,7 @@ static abi_long do_socketcall(int num, abi_ulong vptr) abi_ulong level; abi_ulong optname; abi_ulong optval; - socklen_t optlen; + abi_ulong optlen; if (get_user_ual(sockfd, vptr) || get_user_ual(level, vptr + n) diff --git a/net/net.c b/net/net.c index f8db85f30b..2c3af202a6 100644 --- a/net/net.c +++ b/net/net.c @@ -164,7 +164,6 @@ void qemu_macaddr_default_if_unset(MACAddr *macaddr) static char *assign_name(NetClientState *nc1, const char *model) { NetClientState *nc; - char buf[256]; int id = 0; QTAILQ_FOREACH(nc, &net_clients, next) { @@ -176,9 +175,7 @@ static char *assign_name(NetClientState *nc1, const char *model) } } - snprintf(buf, sizeof(buf), "%s.%d", model, id); - - return g_strdup(buf); + return g_strdup_printf("%s.%d", model, id); } static void qemu_net_client_destructor(NetClientState *nc) diff --git a/net/tap-linux.c b/net/tap-linux.c index 36c09e24d8..812bf2dfc6 100644 --- a/net/tap-linux.c +++ b/net/tap-linux.c @@ -52,14 +52,17 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, memset(&ifr, 0, sizeof(ifr)); ifr.ifr_flags = IFF_TAP | IFF_NO_PI; - if (ioctl(fd, TUNGETFEATURES, &features) == 0 && - features & IFF_ONE_QUEUE) { + if (ioctl(fd, TUNGETFEATURES, &features) == -1) { + error_report("warning: TUNGETFEATURES failed: %s", strerror(errno)); + features = 0; + } + + if (features & IFF_ONE_QUEUE) { ifr.ifr_flags |= IFF_ONE_QUEUE; } if (*vnet_hdr) { - if (ioctl(fd, TUNGETFEATURES, &features) == 0 && - features & IFF_VNET_HDR) { + if (features & IFF_VNET_HDR) { *vnet_hdr = 1; ifr.ifr_flags |= IFF_VNET_HDR; } else { @@ -82,8 +85,7 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, } if (mq_required) { - if ((ioctl(fd, TUNGETFEATURES, &features) != 0) || - !(features & IFF_MULTI_QUEUE)) { + if (!(features & IFF_MULTI_QUEUE)) { error_report("multiqueue required, but no kernel " "support for IFF_MULTI_QUEUE available"); close(fd); diff --git a/pc-bios/kvmvapic.bin b/pc-bios/kvmvapic.bin index 045f5c2884..045f5c2884 100755..100644 --- a/pc-bios/kvmvapic.bin +++ b/pc-bios/kvmvapic.bin Binary files differdiff --git a/pc-bios/multiboot.bin b/pc-bios/multiboot.bin index e772713c95..e772713c95 100755..100644 --- a/pc-bios/multiboot.bin +++ b/pc-bios/multiboot.bin Binary files differdiff --git a/pc-bios/sgabios.bin b/pc-bios/sgabios.bin index c3da4c3d0a..c3da4c3d0a 100755..100644 --- a/pc-bios/sgabios.bin +++ b/pc-bios/sgabios.bin Binary files differdiff --git a/scripts/create_config b/scripts/create_config index b1adbf5897..06f5316d9d 100755 --- a/scripts/create_config +++ b/scripts/create_config @@ -26,6 +26,10 @@ case $line in # save for the next definitions prefix=${line#*=} ;; + IASL=*) # iasl executable + value=${line#*=} + echo "#define CONFIG_IASL $value" + ;; CONFIG_AUDIO_DRIVERS=*) drivers=${line#*=} echo "#define CONFIG_AUDIO_DRIVERS \\" diff --git a/scripts/dump-guest-memory.py b/scripts/dump-guest-memory.py new file mode 100644 index 0000000000..1ed8b67883 --- /dev/null +++ b/scripts/dump-guest-memory.py @@ -0,0 +1,339 @@ +# This python script adds a new gdb command, "dump-guest-memory". It +# should be loaded with "source dump-guest-memory.py" at the (gdb) +# prompt. +# +# Copyright (C) 2013, Red Hat, Inc. +# +# Authors: +# Laszlo Ersek <lersek@redhat.com> +# +# This work is licensed under the terms of the GNU GPL, version 2 or later. See +# the COPYING file in the top-level directory. +# +# The leading docstring doesn't have idiomatic Python formatting. It is +# printed by gdb's "help" command (the first line is printed in the +# "help data" summary), and it should match how other help texts look in +# gdb. + +import struct + +class DumpGuestMemory(gdb.Command): + """Extract guest vmcore from qemu process coredump. + +The sole argument is FILE, identifying the target file to write the +guest vmcore to. + +This GDB command reimplements the dump-guest-memory QMP command in +python, using the representation of guest memory as captured in the qemu +coredump. The qemu process that has been dumped must have had the +command line option "-machine dump-guest-core=on". + +For simplicity, the "paging", "begin" and "end" parameters of the QMP +command are not supported -- no attempt is made to get the guest's +internal paging structures (ie. paging=false is hard-wired), and guest +memory is always fully dumped. + +Only x86_64 guests are supported. + +The CORE/NT_PRSTATUS and QEMU notes (that is, the VCPUs' statuses) are +not written to the vmcore. Preparing these would require context that is +only present in the KVM host kernel module when the guest is alive. A +fake ELF note is written instead, only to keep the ELF parser of "crash" +happy. + +Dependent on how busted the qemu process was at the time of the +coredump, this command might produce unpredictable results. If qemu +deliberately called abort(), or it was dumped in response to a signal at +a halfway fortunate point, then its coredump should be in reasonable +shape and this command should mostly work.""" + + TARGET_PAGE_SIZE = 0x1000 + TARGET_PAGE_MASK = 0xFFFFFFFFFFFFF000 + + # Various ELF constants + EM_X86_64 = 62 # AMD x86-64 target machine + ELFDATA2LSB = 1 # little endian + ELFCLASS64 = 2 + ELFMAG = "\x7FELF" + EV_CURRENT = 1 + ET_CORE = 4 + PT_LOAD = 1 + PT_NOTE = 4 + + # Special value for e_phnum. This indicates that the real number of + # program headers is too large to fit into e_phnum. Instead the real + # value is in the field sh_info of section 0. + PN_XNUM = 0xFFFF + + # Format strings for packing and header size calculation. + ELF64_EHDR = ("4s" # e_ident/magic + "B" # e_ident/class + "B" # e_ident/data + "B" # e_ident/version + "B" # e_ident/osabi + "8s" # e_ident/pad + "H" # e_type + "H" # e_machine + "I" # e_version + "Q" # e_entry + "Q" # e_phoff + "Q" # e_shoff + "I" # e_flags + "H" # e_ehsize + "H" # e_phentsize + "H" # e_phnum + "H" # e_shentsize + "H" # e_shnum + "H" # e_shstrndx + ) + ELF64_PHDR = ("I" # p_type + "I" # p_flags + "Q" # p_offset + "Q" # p_vaddr + "Q" # p_paddr + "Q" # p_filesz + "Q" # p_memsz + "Q" # p_align + ) + + def __init__(self): + super(DumpGuestMemory, self).__init__("dump-guest-memory", + gdb.COMMAND_DATA, + gdb.COMPLETE_FILENAME) + self.uintptr_t = gdb.lookup_type("uintptr_t") + self.elf64_ehdr_le = struct.Struct("<%s" % self.ELF64_EHDR) + self.elf64_phdr_le = struct.Struct("<%s" % self.ELF64_PHDR) + + def int128_get64(self, val): + assert (val["hi"] == 0) + return val["lo"] + + def qtailq_foreach(self, head, field_str): + var_p = head["tqh_first"] + while (var_p != 0): + var = var_p.dereference() + yield var + var_p = var[field_str]["tqe_next"] + + def qemu_get_ram_block(self, ram_addr): + ram_blocks = gdb.parse_and_eval("ram_list.blocks") + for block in self.qtailq_foreach(ram_blocks, "next"): + if (ram_addr - block["offset"] < block["length"]): + return block + raise gdb.GdbError("Bad ram offset %x" % ram_addr) + + def qemu_get_ram_ptr(self, ram_addr): + block = self.qemu_get_ram_block(ram_addr) + return block["host"] + (ram_addr - block["offset"]) + + def memory_region_get_ram_ptr(self, mr): + if (mr["alias"] != 0): + return (self.memory_region_get_ram_ptr(mr["alias"].dereference()) + + mr["alias_offset"]) + return self.qemu_get_ram_ptr(mr["ram_addr"] & self.TARGET_PAGE_MASK) + + def guest_phys_blocks_init(self): + self.guest_phys_blocks = [] + + def guest_phys_blocks_append(self): + print "guest RAM blocks:" + print ("target_start target_end host_addr message " + "count") + print ("---------------- ---------------- ---------------- ------- " + "-----") + + current_map_p = gdb.parse_and_eval("address_space_memory.current_map") + current_map = current_map_p.dereference() + for cur in range(current_map["nr"]): + flat_range = (current_map["ranges"] + cur).dereference() + mr = flat_range["mr"].dereference() + + # we only care about RAM + if (not mr["ram"]): + continue + + section_size = self.int128_get64(flat_range["addr"]["size"]) + target_start = self.int128_get64(flat_range["addr"]["start"]) + target_end = target_start + section_size + host_addr = (self.memory_region_get_ram_ptr(mr) + + flat_range["offset_in_region"]) + predecessor = None + + # find continuity in guest physical address space + if (len(self.guest_phys_blocks) > 0): + predecessor = self.guest_phys_blocks[-1] + predecessor_size = (predecessor["target_end"] - + predecessor["target_start"]) + + # the memory API guarantees monotonically increasing + # traversal + assert (predecessor["target_end"] <= target_start) + + # we want continuity in both guest-physical and + # host-virtual memory + if (predecessor["target_end"] < target_start or + predecessor["host_addr"] + predecessor_size != host_addr): + predecessor = None + + if (predecessor is None): + # isolated mapping, add it to the list + self.guest_phys_blocks.append({"target_start": target_start, + "target_end" : target_end, + "host_addr" : host_addr}) + message = "added" + else: + # expand predecessor until @target_end; predecessor's + # start doesn't change + predecessor["target_end"] = target_end + message = "joined" + + print ("%016x %016x %016x %-7s %5u" % + (target_start, target_end, host_addr.cast(self.uintptr_t), + message, len(self.guest_phys_blocks))) + + def cpu_get_dump_info(self): + # We can't synchronize the registers with KVM post-mortem, and + # the bits in (first_x86_cpu->env.hflags) seem to be stale; they + # may not reflect long mode for example. Hence just assume the + # most common values. This also means that instruction pointer + # etc. will be bogus in the dump, but at least the RAM contents + # should be valid. + self.dump_info = {"d_machine": self.EM_X86_64, + "d_endian" : self.ELFDATA2LSB, + "d_class" : self.ELFCLASS64} + + def encode_elf64_ehdr_le(self): + return self.elf64_ehdr_le.pack( + self.ELFMAG, # e_ident/magic + self.dump_info["d_class"], # e_ident/class + self.dump_info["d_endian"], # e_ident/data + self.EV_CURRENT, # e_ident/version + 0, # e_ident/osabi + "", # e_ident/pad + self.ET_CORE, # e_type + self.dump_info["d_machine"], # e_machine + self.EV_CURRENT, # e_version + 0, # e_entry + self.elf64_ehdr_le.size, # e_phoff + 0, # e_shoff + 0, # e_flags + self.elf64_ehdr_le.size, # e_ehsize + self.elf64_phdr_le.size, # e_phentsize + self.phdr_num, # e_phnum + 0, # e_shentsize + 0, # e_shnum + 0 # e_shstrndx + ) + + def encode_elf64_note_le(self): + return self.elf64_phdr_le.pack(self.PT_NOTE, # p_type + 0, # p_flags + (self.memory_offset - + len(self.note)), # p_offset + 0, # p_vaddr + 0, # p_paddr + len(self.note), # p_filesz + len(self.note), # p_memsz + 0 # p_align + ) + + def encode_elf64_load_le(self, offset, start_hwaddr, range_size): + return self.elf64_phdr_le.pack(self.PT_LOAD, # p_type + 0, # p_flags + offset, # p_offset + 0, # p_vaddr + start_hwaddr, # p_paddr + range_size, # p_filesz + range_size, # p_memsz + 0 # p_align + ) + + def note_init(self, name, desc, type): + # name must include a trailing NUL + namesz = (len(name) + 1 + 3) / 4 * 4 + descsz = (len(desc) + 3) / 4 * 4 + fmt = ("<" # little endian + "I" # n_namesz + "I" # n_descsz + "I" # n_type + "%us" # name + "%us" # desc + % (namesz, descsz)) + self.note = struct.pack(fmt, + len(name) + 1, len(desc), type, name, desc) + + def dump_init(self): + self.guest_phys_blocks_init() + self.guest_phys_blocks_append() + self.cpu_get_dump_info() + # we have no way to retrieve the VCPU status from KVM + # post-mortem + self.note_init("NONE", "EMPTY", 0) + + # Account for PT_NOTE. + self.phdr_num = 1 + + # We should never reach PN_XNUM for paging=false dumps: there's + # just a handful of discontiguous ranges after merging. + self.phdr_num += len(self.guest_phys_blocks) + assert (self.phdr_num < self.PN_XNUM) + + # Calculate the ELF file offset where the memory dump commences: + # + # ELF header + # PT_NOTE + # PT_LOAD: 1 + # PT_LOAD: 2 + # ... + # PT_LOAD: len(self.guest_phys_blocks) + # ELF note + # memory dump + self.memory_offset = (self.elf64_ehdr_le.size + + self.elf64_phdr_le.size * self.phdr_num + + len(self.note)) + + def dump_begin(self, vmcore): + vmcore.write(self.encode_elf64_ehdr_le()) + vmcore.write(self.encode_elf64_note_le()) + running = self.memory_offset + for block in self.guest_phys_blocks: + range_size = block["target_end"] - block["target_start"] + vmcore.write(self.encode_elf64_load_le(running, + block["target_start"], + range_size)) + running += range_size + vmcore.write(self.note) + + def dump_iterate(self, vmcore): + qemu_core = gdb.inferiors()[0] + for block in self.guest_phys_blocks: + cur = block["host_addr"] + left = block["target_end"] - block["target_start"] + print ("dumping range at %016x for length %016x" % + (cur.cast(self.uintptr_t), left)) + while (left > 0): + chunk_size = min(self.TARGET_PAGE_SIZE, left) + chunk = qemu_core.read_memory(cur, chunk_size) + vmcore.write(chunk) + cur += chunk_size + left -= chunk_size + + def create_vmcore(self, filename): + vmcore = open(filename, "wb") + self.dump_begin(vmcore) + self.dump_iterate(vmcore) + vmcore.close() + + def invoke(self, args, from_tty): + # Unwittingly pressing the Enter key after the command should + # not dump the same multi-gig coredump to the same file. + self.dont_repeat() + + argv = gdb.string_to_argv(args) + if (len(argv) != 1): + raise gdb.GdbError("usage: dump-guest-memory FILE") + + self.dump_init() + self.create_vmcore(argv[0]) + +DumpGuestMemory() diff --git a/scripts/tracetool/backend/simple.py b/scripts/tracetool/backend/simple.py index 37ef599324..3dde372e46 100644 --- a/scripts/tracetool/backend/simple.py +++ b/scripts/tracetool/backend/simple.py @@ -56,7 +56,7 @@ def c(events): out('', - ' TraceEvent *eventp = trace_event_id(%(event_id)s);', + ' TraceEvent *eventp = trace_event_id(%(event_enum)s);', ' bool _state = trace_event_get_state_dynamic(eventp);', ' if (!_state) {', ' return;', @@ -65,6 +65,7 @@ def c(events): ' if (trace_record_start(&rec, %(event_id)s, %(size_str)s)) {', ' return; /* Trace Buffer Full, Event Dropped ! */', ' }', + event_enum = 'TRACE_' + event.name.upper(), event_id = num, size_str = sizestr, ) @@ -93,9 +94,6 @@ def c(events): def h(events): - out('#include "trace/simple.h"', - '') - for event in events: out('void trace_%(name)s(%(args)s);', name = event.name, diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c index 495b901080..5d4cf9386e 100644 --- a/tcg/i386/tcg-target.c +++ b/tcg/i386/tcg-target.c @@ -99,18 +99,31 @@ static const int tcg_target_call_oarg_regs[] = { # define TCG_REG_L1 TCG_REG_EDX #endif +/* The host compiler should supply <cpuid.h> to enable runtime features + detection, as we're not going to go so far as our own inline assembly. + If not available, default values will be assumed. */ +#if defined(CONFIG_CPUID_H) +#include <cpuid.h> +#endif + /* For 32-bit, we are going to attempt to determine at runtime whether cmov - is available. However, the host compiler must supply <cpuid.h>, as we're - not going to go so far as our own inline assembly. */ + is available. */ #if TCG_TARGET_REG_BITS == 64 # define have_cmov 1 #elif defined(CONFIG_CPUID_H) -#include <cpuid.h> static bool have_cmov; #else # define have_cmov 0 #endif +/* If bit_MOVBE is defined in cpuid.h (added in GCC version 4.6), we are + going to attempt to determine at runtime whether movbe is available. */ +#if defined(CONFIG_CPUID_H) && defined(bit_MOVBE) +static bool have_movbe; +#else +# define have_movbe 0 +#endif + static uint8_t *tb_ret_addr; static void patch_reloc(uint8_t *code_ptr, int type, @@ -240,13 +253,14 @@ static inline int tcg_target_const_match(tcg_target_long val, #endif #define P_EXT 0x100 /* 0x0f opcode prefix */ -#define P_DATA16 0x200 /* 0x66 opcode prefix */ +#define P_EXT38 0x200 /* 0x0f 0x38 opcode prefix */ +#define P_DATA16 0x400 /* 0x66 opcode prefix */ #if TCG_TARGET_REG_BITS == 64 -# define P_ADDR32 0x400 /* 0x67 opcode prefix */ -# define P_REXW 0x800 /* Set REX.W = 1 */ -# define P_REXB_R 0x1000 /* REG field as byte register */ -# define P_REXB_RM 0x2000 /* R/M field as byte register */ -# define P_GS 0x4000 /* gs segment override */ +# define P_ADDR32 0x800 /* 0x67 opcode prefix */ +# define P_REXW 0x1000 /* Set REX.W = 1 */ +# define P_REXB_R 0x2000 /* REG field as byte register */ +# define P_REXB_RM 0x4000 /* R/M field as byte register */ +# define P_GS 0x8000 /* gs segment override */ #else # define P_ADDR32 0 # define P_REXW 0 @@ -279,6 +293,8 @@ static inline int tcg_target_const_match(tcg_target_long val, #define OPC_MOVB_EvIz (0xc6) #define OPC_MOVL_EvIz (0xc7) #define OPC_MOVL_Iv (0xb8) +#define OPC_MOVBE_GyMy (0xf0 | P_EXT38) +#define OPC_MOVBE_MyGy (0xf1 | P_EXT38) #define OPC_MOVSBL (0xbe | P_EXT) #define OPC_MOVSWL (0xbf | P_EXT) #define OPC_MOVSLQ (0x63 | P_REXW) @@ -381,7 +397,7 @@ static void tcg_out_opc(TCGContext *s, int opc, int r, int rm, int x) } rex = 0; - rex |= (opc & P_REXW) >> 8; /* REX.W */ + rex |= (opc & P_REXW) ? 0x8 : 0x0; /* REX.W */ rex |= (r & 8) >> 1; /* REX.R */ rex |= (x & 8) >> 2; /* REX.X */ rex |= (rm & 8) >> 3; /* REX.B */ @@ -398,9 +414,13 @@ static void tcg_out_opc(TCGContext *s, int opc, int r, int rm, int x) tcg_out8(s, (uint8_t)(rex | 0x40)); } - if (opc & P_EXT) { + if (opc & (P_EXT | P_EXT38)) { tcg_out8(s, 0x0f); + if (opc & P_EXT38) { + tcg_out8(s, 0x38); + } } + tcg_out8(s, opc); } #else @@ -409,8 +429,11 @@ static void tcg_out_opc(TCGContext *s, int opc) if (opc & P_DATA16) { tcg_out8(s, 0x66); } - if (opc & P_EXT) { + if (opc & (P_EXT | P_EXT38)) { tcg_out8(s, 0x0f); + if (opc & P_EXT38) { + tcg_out8(s, 0x38); + } } tcg_out8(s, opc); } @@ -1336,7 +1359,14 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, TCGReg datalo, TCGReg datahi, TCGReg base, intptr_t ofs, int seg, TCGMemOp memop) { - const TCGMemOp bswap = memop & MO_BSWAP; + const TCGMemOp real_bswap = memop & MO_BSWAP; + TCGMemOp bswap = real_bswap; + int movop = OPC_MOVL_GvEv; + + if (have_movbe && real_bswap) { + bswap = 0; + movop = OPC_MOVBE_GyMy; + } switch (memop & MO_SSIZE) { case MO_UB: @@ -1347,14 +1377,19 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, TCGReg datalo, TCGReg datahi, break; case MO_UW: tcg_out_modrm_offset(s, OPC_MOVZWL + seg, datalo, base, ofs); - if (bswap) { + if (real_bswap) { tcg_out_rolw_8(s, datalo); } break; case MO_SW: - if (bswap) { - tcg_out_modrm_offset(s, OPC_MOVZWL + seg, datalo, base, ofs); - tcg_out_rolw_8(s, datalo); + if (real_bswap) { + if (have_movbe) { + tcg_out_modrm_offset(s, OPC_MOVBE_GyMy + P_DATA16 + seg, + datalo, base, ofs); + } else { + tcg_out_modrm_offset(s, OPC_MOVZWL + seg, datalo, base, ofs); + tcg_out_rolw_8(s, datalo); + } tcg_out_modrm(s, OPC_MOVSWL + P_REXW, datalo, datalo); } else { tcg_out_modrm_offset(s, OPC_MOVSWL + P_REXW + seg, @@ -1362,16 +1397,18 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, TCGReg datalo, TCGReg datahi, } break; case MO_UL: - tcg_out_modrm_offset(s, OPC_MOVL_GvEv + seg, datalo, base, ofs); + tcg_out_modrm_offset(s, movop + seg, datalo, base, ofs); if (bswap) { tcg_out_bswap32(s, datalo); } break; #if TCG_TARGET_REG_BITS == 64 case MO_SL: - if (bswap) { - tcg_out_modrm_offset(s, OPC_MOVL_GvEv + seg, datalo, base, ofs); - tcg_out_bswap32(s, datalo); + if (real_bswap) { + tcg_out_modrm_offset(s, movop + seg, datalo, base, ofs); + if (bswap) { + tcg_out_bswap32(s, datalo); + } tcg_out_ext32s(s, datalo, datalo); } else { tcg_out_modrm_offset(s, OPC_MOVSLQ + seg, datalo, base, ofs); @@ -1380,27 +1417,22 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, TCGReg datalo, TCGReg datahi, #endif case MO_Q: if (TCG_TARGET_REG_BITS == 64) { - tcg_out_modrm_offset(s, OPC_MOVL_GvEv + P_REXW + seg, - datalo, base, ofs); + tcg_out_modrm_offset(s, movop + P_REXW + seg, datalo, base, ofs); if (bswap) { tcg_out_bswap64(s, datalo); } } else { - if (bswap) { + if (real_bswap) { int t = datalo; datalo = datahi; datahi = t; } if (base != datalo) { - tcg_out_modrm_offset(s, OPC_MOVL_GvEv + seg, - datalo, base, ofs); - tcg_out_modrm_offset(s, OPC_MOVL_GvEv + seg, - datahi, base, ofs + 4); + tcg_out_modrm_offset(s, movop + seg, datalo, base, ofs); + tcg_out_modrm_offset(s, movop + seg, datahi, base, ofs + 4); } else { - tcg_out_modrm_offset(s, OPC_MOVL_GvEv + seg, - datahi, base, ofs + 4); - tcg_out_modrm_offset(s, OPC_MOVL_GvEv + seg, - datalo, base, ofs); + tcg_out_modrm_offset(s, movop + seg, datahi, base, ofs + 4); + tcg_out_modrm_offset(s, movop + seg, datalo, base, ofs); } if (bswap) { tcg_out_bswap32(s, datalo); @@ -1476,13 +1508,19 @@ static void tcg_out_qemu_st_direct(TCGContext *s, TCGReg datalo, TCGReg datahi, TCGReg base, intptr_t ofs, int seg, TCGMemOp memop) { - const TCGMemOp bswap = memop & MO_BSWAP; - /* ??? Ideally we wouldn't need a scratch register. For user-only, we could perform the bswap twice to restore the original value instead of moving to the scratch. But as it is, the L constraint means that TCG_REG_L0 is definitely free here. */ const TCGReg scratch = TCG_REG_L0; + const TCGMemOp real_bswap = memop & MO_BSWAP; + TCGMemOp bswap = real_bswap; + int movop = OPC_MOVL_EvGv; + + if (have_movbe && real_bswap) { + bswap = 0; + movop = OPC_MOVBE_MyGy; + } switch (memop & MO_SIZE) { case MO_8: @@ -1501,8 +1539,7 @@ static void tcg_out_qemu_st_direct(TCGContext *s, TCGReg datalo, TCGReg datahi, tcg_out_rolw_8(s, scratch); datalo = scratch; } - tcg_out_modrm_offset(s, OPC_MOVL_EvGv + P_DATA16 + seg, - datalo, base, ofs); + tcg_out_modrm_offset(s, movop + P_DATA16 + seg, datalo, base, ofs); break; case MO_32: if (bswap) { @@ -1510,7 +1547,7 @@ static void tcg_out_qemu_st_direct(TCGContext *s, TCGReg datalo, TCGReg datahi, tcg_out_bswap32(s, scratch); datalo = scratch; } - tcg_out_modrm_offset(s, OPC_MOVL_EvGv + seg, datalo, base, ofs); + tcg_out_modrm_offset(s, movop + seg, datalo, base, ofs); break; case MO_64: if (TCG_TARGET_REG_BITS == 64) { @@ -1519,8 +1556,7 @@ static void tcg_out_qemu_st_direct(TCGContext *s, TCGReg datalo, TCGReg datahi, tcg_out_bswap64(s, scratch); datalo = scratch; } - tcg_out_modrm_offset(s, OPC_MOVL_EvGv + P_REXW + seg, - datalo, base, ofs); + tcg_out_modrm_offset(s, movop + P_REXW + seg, datalo, base, ofs); } else if (bswap) { tcg_out_mov(s, TCG_TYPE_I32, scratch, datahi); tcg_out_bswap32(s, scratch); @@ -1529,8 +1565,13 @@ static void tcg_out_qemu_st_direct(TCGContext *s, TCGReg datalo, TCGReg datahi, tcg_out_bswap32(s, scratch); tcg_out_modrm_offset(s, OPC_MOVL_EvGv + seg, scratch, base, ofs+4); } else { - tcg_out_modrm_offset(s, OPC_MOVL_EvGv + seg, datalo, base, ofs); - tcg_out_modrm_offset(s, OPC_MOVL_EvGv + seg, datahi, base, ofs+4); + if (real_bswap) { + int t = datalo; + datalo = datahi; + datahi = t; + } + tcg_out_modrm_offset(s, movop + seg, datalo, base, ofs); + tcg_out_modrm_offset(s, movop + seg, datahi, base, ofs+4); } break; default: @@ -1985,9 +2026,7 @@ static const TCGTargetOpDef x86_op_defs[] = { { INDEX_op_setcond_i32, { "q", "r", "ri" } }, { INDEX_op_deposit_i32, { "Q", "0", "Q" } }, -#if TCG_TARGET_HAS_movcond_i32 { INDEX_op_movcond_i32, { "r", "r", "ri", "r", "0" } }, -#endif { INDEX_op_mulu2_i32, { "a", "d", "a", "r" } }, { INDEX_op_muls2_i32, { "a", "d", "a", "r" } }, @@ -2157,13 +2196,23 @@ static void tcg_target_qemu_prologue(TCGContext *s) static void tcg_target_init(TCGContext *s) { - /* For 32-bit, 99% certainty that we're running on hardware that supports - cmov, but we still need to check. In case cmov is not available, we'll - use a small forward branch. */ -#ifndef have_cmov +#if !(defined(have_cmov) && defined(have_movbe)) { unsigned a, b, c, d; - have_cmov = (__get_cpuid(1, &a, &b, &c, &d) && (d & bit_CMOV)); + int ret = __get_cpuid(1, &a, &b, &c, &d); + +# ifndef have_cmov + /* For 32-bit, 99% certainty that we're running on hardware that + supports cmov, but we still need to check. In case cmov is not + available, we'll use a small forward branch. */ + have_cmov = ret && (d & bit_CMOV); +# endif + +# ifndef have_movbe + /* MOVBE is only available on Intel Atom and Haswell CPUs, so we + need to probe for it. */ + have_movbe = ret && (c & bit_MOVBE); +# endif } #endif diff --git a/tcg/tcg.c b/tcg/tcg.c index 712438ced8..acd02b99b6 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -586,7 +586,7 @@ static void tcg_temp_free_internal(int idx) assert(ts->temp_allocated != 0); ts->temp_allocated = 0; - k = ts->type + (ts->temp_local ? TCG_TYPE_COUNT : 0); + k = ts->base_type + (ts->temp_local ? TCG_TYPE_COUNT : 0); set_bit(idx, s->free_temps[k].l); } diff --git a/tests/acpi-test-data/pc/APIC b/tests/acpi-test-data/pc/APIC new file mode 100644 index 0000000000..84509e0ae4 --- /dev/null +++ b/tests/acpi-test-data/pc/APIC Binary files differdiff --git a/tests/acpi-test-data/pc/DSDT b/tests/acpi-test-data/pc/DSDT new file mode 100644 index 0000000000..fbf1c3e6e8 --- /dev/null +++ b/tests/acpi-test-data/pc/DSDT Binary files differdiff --git a/tests/acpi-test-data/pc/FACP b/tests/acpi-test-data/pc/FACP new file mode 100644 index 0000000000..0639999ed1 --- /dev/null +++ b/tests/acpi-test-data/pc/FACP Binary files differdiff --git a/tests/acpi-test-data/pc/FACS b/tests/acpi-test-data/pc/FACS new file mode 100644 index 0000000000..fc67ecc407 --- /dev/null +++ b/tests/acpi-test-data/pc/FACS Binary files differdiff --git a/tests/acpi-test-data/pc/HPET b/tests/acpi-test-data/pc/HPET new file mode 100644 index 0000000000..df689b8f99 --- /dev/null +++ b/tests/acpi-test-data/pc/HPET Binary files differdiff --git a/tests/acpi-test-data/pc/SSDT b/tests/acpi-test-data/pc/SSDT new file mode 100644 index 0000000000..a51c68e21b --- /dev/null +++ b/tests/acpi-test-data/pc/SSDT Binary files differdiff --git a/tests/acpi-test-data/q35/APIC b/tests/acpi-test-data/q35/APIC new file mode 100644 index 0000000000..84509e0ae4 --- /dev/null +++ b/tests/acpi-test-data/q35/APIC Binary files differdiff --git a/tests/acpi-test-data/q35/DSDT b/tests/acpi-test-data/q35/DSDT new file mode 100644 index 0000000000..5086b839a6 --- /dev/null +++ b/tests/acpi-test-data/q35/DSDT Binary files differdiff --git a/tests/acpi-test-data/q35/FACP b/tests/acpi-test-data/q35/FACP new file mode 100644 index 0000000000..19f3ac3ce6 --- /dev/null +++ b/tests/acpi-test-data/q35/FACP Binary files differdiff --git a/tests/acpi-test-data/q35/FACS b/tests/acpi-test-data/q35/FACS new file mode 100644 index 0000000000..fc67ecc407 --- /dev/null +++ b/tests/acpi-test-data/q35/FACS Binary files differdiff --git a/tests/acpi-test-data/q35/HPET b/tests/acpi-test-data/q35/HPET new file mode 100644 index 0000000000..df689b8f99 --- /dev/null +++ b/tests/acpi-test-data/q35/HPET Binary files differdiff --git a/tests/acpi-test-data/q35/MCFG b/tests/acpi-test-data/q35/MCFG new file mode 100644 index 0000000000..79ceb27a03 --- /dev/null +++ b/tests/acpi-test-data/q35/MCFG Binary files differdiff --git a/tests/acpi-test-data/q35/SSDT b/tests/acpi-test-data/q35/SSDT new file mode 100644 index 0000000000..9c6cad8b0b --- /dev/null +++ b/tests/acpi-test-data/q35/SSDT Binary files differdiff --git a/tests/acpi-test-data/rebuild-expected-aml.sh b/tests/acpi-test-data/rebuild-expected-aml.sh new file mode 100755 index 0000000000..ab98498884 --- /dev/null +++ b/tests/acpi-test-data/rebuild-expected-aml.sh @@ -0,0 +1,36 @@ +#! /bin/bash + +# +# Rebuild expected AML files for acpi unit-test +# +# Copyright (c) 2013 Red Hat Inc. +# +# Authors: +# Marcel Apfelbaum <marcel.a@redhat.com> +# +# This work is licensed under the terms of the GNU GPLv2. +# See the COPYING.LIB file in the top-level directory. + +qemu= + +if [ -e x86_64-softmmu/qemu-system-x86_64 ]; then + qemu="x86_64-softmmu/qemu-system-x86_64" +elif [ -e i386-softmmu/qemu-system-i386 ]; then + qemu="i386-softmmu/qemu-system-i386" +else + echo "Run 'make' to build the qemu exectutable!" + echo "Run this script from the build directory." + exit 1; +fi + +if [ ! -e "tests/acpi-test" ]; then + echo "Test: acpi-test is required! Run make check before this script." + echo "Run this script from the build directory." + exit 1; +fi + +TEST_ACPI_REBUILD_AML=y QTEST_QEMU_BINARY=$qemu tests/acpi-test + +echo "The files were rebuilt and can be added to git." +echo "However, if new files were created, please copy them manually" \ + "to tests/acpi-test-data/pc/ or tests/acpi-test-data/q35/ ." diff --git a/tests/acpi-test.c b/tests/acpi-test.c index df1af83158..31f5359787 100644 --- a/tests/acpi-test.c +++ b/tests/acpi-test.c @@ -13,19 +13,32 @@ #include <string.h> #include <stdio.h> #include <glib.h> +#include <glib/gstdio.h> #include "qemu-common.h" #include "libqtest.h" #include "qemu/compiler.h" #include "hw/i386/acpi-defs.h" +#define MACHINE_PC "pc" +#define MACHINE_Q35 "q35" + +#define ACPI_REBUILD_EXPECTED_AML "TEST_ACPI_REBUILD_AML" +#define ACPI_SSDT_SIGNATURE 0x54445353 /* SSDT */ + /* DSDT and SSDTs format */ typedef struct { AcpiTableHeader header; - uint8_t *aml; - int aml_len; -} AcpiSdtTable; + gchar *aml; /* aml bytecode from guest */ + gsize aml_len; + gchar *aml_file; + gchar *asl; /* asl code generated from aml */ + gsize asl_len; + gchar *asl_file; + bool asl_file_retain; /* do not delete the temp asl */ +} QEMU_PACKED AcpiSdtTable; typedef struct { + const char *machine; uint32_t rsdp_addr; AcpiRsdpDescriptor rsdp_table; AcpiRsdtDescriptorRev1 rsdt_table; @@ -33,8 +46,7 @@ typedef struct { AcpiFacsDescriptorRev1 facs_table; uint32_t *rsdt_tables_addr; int rsdt_tables_nr; - AcpiSdtTable dsdt_table; - GArray *ssdt_tables; + GArray *tables; } test_data; #define LOW(x) ((x) & 0xff) @@ -51,13 +63,13 @@ typedef struct { field = readb(addr); \ break; \ case 2: \ - field = le16_to_cpu(readw(addr)); \ + field = readw(addr); \ break; \ case 4: \ - field = le32_to_cpu(readl(addr)); \ + field = readl(addr); \ break; \ case 8: \ - field = le64_to_cpu(readq(addr)); \ + field = readq(addr); \ break; \ default: \ g_assert(false); \ @@ -91,8 +103,10 @@ typedef struct { /* Boot sector code: write SIGNATURE into memory, * then halt. + * Q35 machine requires a minimum 0x7e000 bytes disk. + * (bug or feature?) */ -static uint8_t boot_sector[0x200] = { +static uint8_t boot_sector[0x7e000] = { /* 7c00: mov $0xdead,%ax */ [0x00] = 0xb8, [0x01] = LOW(SIGNATURE), @@ -117,17 +131,45 @@ static uint8_t boot_sector[0x200] = { }; static const char *disk = "tests/acpi-test-disk.raw"; +static const char *data_dir = "tests/acpi-test-data"; +#ifdef CONFIG_IASL +static const char *iasl = stringify(CONFIG_IASL); +#else +static const char *iasl; +#endif static void free_test_data(test_data *data) { + AcpiSdtTable *temp; int i; - g_free(data->rsdt_tables_addr); - for (i = 0; i < data->ssdt_tables->len; ++i) { - g_free(g_array_index(data->ssdt_tables, AcpiSdtTable, i).aml); + if (data->rsdt_tables_addr) { + g_free(data->rsdt_tables_addr); + } + + for (i = 0; i < data->tables->len; ++i) { + temp = &g_array_index(data->tables, AcpiSdtTable, i); + if (temp->aml) { + g_free(temp->aml); + } + if (temp->aml_file) { + if (g_strstr_len(temp->aml_file, -1, "aml-")) { + unlink(temp->aml_file); + } + g_free(temp->aml_file); + } + if (temp->asl) { + g_free(temp->asl); + } + if (temp->asl_file) { + if (!temp->asl_file_retain) { + unlink(temp->asl_file); + } + g_free(temp->asl_file); + } } - g_array_free(data->ssdt_tables, false); - g_free(data->dsdt_table.aml); + + g_array_free(data->tables, false); } static uint8_t acpi_checksum(const uint8_t *data, int len) @@ -292,34 +334,219 @@ static void test_dst_table(AcpiSdtTable *sdt_table, uint32_t addr) ACPI_READ_ARRAY_PTR(sdt_table->aml, sdt_table->aml_len, addr); checksum = acpi_checksum((uint8_t *)sdt_table, sizeof(AcpiTableHeader)) + - acpi_checksum(sdt_table->aml, sdt_table->aml_len); + acpi_checksum((uint8_t *)sdt_table->aml, sdt_table->aml_len); g_assert(!checksum); } static void test_acpi_dsdt_table(test_data *data) { - AcpiSdtTable *dsdt_table = &data->dsdt_table; + AcpiSdtTable dsdt_table; uint32_t addr = data->fadt_table.dsdt; - test_dst_table(dsdt_table, addr); - g_assert_cmphex(dsdt_table->header.signature, ==, ACPI_DSDT_SIGNATURE); + memset(&dsdt_table, 0, sizeof(dsdt_table)); + data->tables = g_array_new(false, true, sizeof(AcpiSdtTable)); + + test_dst_table(&dsdt_table, addr); + g_assert_cmphex(dsdt_table.header.signature, ==, ACPI_DSDT_SIGNATURE); + + /* Place DSDT first */ + g_array_append_val(data->tables, dsdt_table); } -static void test_acpi_ssdt_tables(test_data *data) +static void test_acpi_tables(test_data *data) { - GArray *ssdt_tables; - int ssdt_tables_nr = data->rsdt_tables_nr - 1; /* fadt is first */ + int tables_nr = data->rsdt_tables_nr - 1; /* fadt is first */ int i; - ssdt_tables = g_array_sized_new(false, true, sizeof(AcpiSdtTable), - ssdt_tables_nr); - for (i = 0; i < ssdt_tables_nr; i++) { + for (i = 0; i < tables_nr; i++) { AcpiSdtTable ssdt_table; + + memset(&ssdt_table, 0 , sizeof(ssdt_table)); uint32_t addr = data->rsdt_tables_addr[i + 1]; /* fadt is first */ test_dst_table(&ssdt_table, addr); - g_array_append_val(ssdt_tables, ssdt_table); + g_array_append_val(data->tables, ssdt_table); + } +} + +static void dump_aml_files(test_data *data, bool rebuild) +{ + AcpiSdtTable *sdt; + GError *error = NULL; + gchar *aml_file = NULL; + gint fd; + ssize_t ret; + int i; + + for (i = 0; i < data->tables->len; ++i) { + sdt = &g_array_index(data->tables, AcpiSdtTable, i); + g_assert(sdt->aml); + + if (rebuild) { + aml_file = g_strdup_printf("%s/%s/%.4s", data_dir, data->machine, + (gchar *)&sdt->header.signature); + fd = g_open(aml_file, O_WRONLY|O_TRUNC|O_CREAT, + S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH); + } else { + fd = g_file_open_tmp("aml-XXXXXX", &sdt->aml_file, &error); + g_assert_no_error(error); + } + g_assert(fd >= 0); + + ret = qemu_write_full(fd, sdt, sizeof(AcpiTableHeader)); + g_assert(ret == sizeof(AcpiTableHeader)); + ret = qemu_write_full(fd, sdt->aml, sdt->aml_len); + g_assert(ret == sdt->aml_len); + + close(fd); + + if (aml_file) { + g_free(aml_file); + } + } +} + +static bool compare_signature(AcpiSdtTable *sdt, uint32_t signature) +{ + return sdt->header.signature == signature; +} + +static void load_asl(GArray *sdts, AcpiSdtTable *sdt) +{ + AcpiSdtTable *temp; + GError *error = NULL; + GString *command_line = g_string_new(iasl); + gint fd; + gchar *out, *out_err; + gboolean ret; + int i; + + fd = g_file_open_tmp("asl-XXXXXX.dsl", &sdt->asl_file, &error); + g_assert_no_error(error); + close(fd); + + /* build command line */ + g_string_append_printf(command_line, " -p %s ", sdt->asl_file); + if (compare_signature(sdt, ACPI_DSDT_SIGNATURE) || + compare_signature(sdt, ACPI_SSDT_SIGNATURE)) { + for (i = 0; i < sdts->len; ++i) { + temp = &g_array_index(sdts, AcpiSdtTable, i); + if (compare_signature(temp, ACPI_DSDT_SIGNATURE) || + compare_signature(temp, ACPI_SSDT_SIGNATURE)) { + g_string_append_printf(command_line, "-e %s ", temp->aml_file); + } + } } - data->ssdt_tables = ssdt_tables; + g_string_append_printf(command_line, "-d %s", sdt->aml_file); + + /* pass 'out' and 'out_err' in order to be redirected */ + g_spawn_command_line_sync(command_line->str, &out, &out_err, NULL, &error); + g_assert_no_error(error); + + ret = g_file_get_contents(sdt->asl_file, (gchar **)&sdt->asl, + &sdt->asl_len, &error); + g_assert(ret); + g_assert_no_error(error); + g_assert(sdt->asl_len); + + g_free(out); + g_free(out_err); + g_string_free(command_line, true); +} + +#define COMMENT_END "*/" +#define DEF_BLOCK "DefinitionBlock (" +#define BLOCK_NAME_END ".aml" + +static GString *normalize_asl(gchar *asl_code) +{ + GString *asl = g_string_new(asl_code); + gchar *comment, *block_name; + + /* strip comments (different generation days) */ + comment = g_strstr_len(asl->str, asl->len, COMMENT_END); + if (comment) { + asl = g_string_erase(asl, 0, comment + sizeof(COMMENT_END) - asl->str); + } + + /* strip def block name (it has file path in it) */ + if (g_str_has_prefix(asl->str, DEF_BLOCK)) { + block_name = g_strstr_len(asl->str, asl->len, BLOCK_NAME_END); + g_assert(block_name); + asl = g_string_erase(asl, 0, + block_name + sizeof(BLOCK_NAME_END) - asl->str); + } + + return asl; +} + +static GArray *load_expected_aml(test_data *data) +{ + int i; + AcpiSdtTable *sdt; + gchar *aml_file; + GError *error = NULL; + gboolean ret; + + GArray *exp_tables = g_array_new(false, true, sizeof(AcpiSdtTable)); + for (i = 0; i < data->tables->len; ++i) { + AcpiSdtTable exp_sdt; + sdt = &g_array_index(data->tables, AcpiSdtTable, i); + + memset(&exp_sdt, 0, sizeof(exp_sdt)); + exp_sdt.header.signature = sdt->header.signature; + + aml_file = g_strdup_printf("%s/%s/%.4s", data_dir, data->machine, + (gchar *)&exp_sdt.header.signature); + exp_sdt.aml_file = aml_file; + g_assert(g_file_test(aml_file, G_FILE_TEST_EXISTS)); + ret = g_file_get_contents(aml_file, &exp_sdt.aml, + &exp_sdt.aml_len, &error); + g_assert(ret); + g_assert_no_error(error); + g_assert(exp_sdt.aml); + g_assert(exp_sdt.aml_len); + + g_array_append_val(exp_tables, exp_sdt); + } + + return exp_tables; +} + +static void test_acpi_asl(test_data *data) +{ + int i; + AcpiSdtTable *sdt, *exp_sdt; + test_data exp_data; + + memset(&exp_data, 0, sizeof(exp_data)); + exp_data.tables = load_expected_aml(data); + dump_aml_files(data, false); + for (i = 0; i < data->tables->len; ++i) { + GString *asl, *exp_asl; + + sdt = &g_array_index(data->tables, AcpiSdtTable, i); + exp_sdt = &g_array_index(exp_data.tables, AcpiSdtTable, i); + + load_asl(data->tables, sdt); + asl = normalize_asl(sdt->asl); + + load_asl(exp_data.tables, exp_sdt); + exp_asl = normalize_asl(exp_sdt->asl); + + if (g_strcmp0(asl->str, exp_asl->str)) { + sdt->asl_file_retain = true; + exp_sdt->asl_file_retain = true; + fprintf(stderr, + "acpi-test: Warning! %.4s mismatch. " + "Orig asl: %s, expected asl %s.\n", + (gchar *)&exp_sdt->header.signature, + sdt->asl_file, exp_sdt->asl_file); + } + g_string_free(asl, true); + g_string_free(exp_asl, true); + } + + free_test_data(&exp_data); } static void test_acpi_one(const char *params, test_data *data) @@ -329,10 +556,14 @@ static void test_acpi_one(const char *params, test_data *data) uint8_t signature_high; uint16_t signature; int i; + const char *device = ""; + + if (!g_strcmp0(data->machine, MACHINE_Q35)) { + device = ",id=hd -device ide-hd,drive=hd"; + } - memset(data, 0, sizeof(*data)); - args = g_strdup_printf("-net none -display none %s %s", - params ? params : "", disk); + args = g_strdup_printf("-net none -display none %s -drive file=%s%s,", + params ? params : "", disk, device); qtest_start(args); /* Wait at most 1 minute */ @@ -360,7 +591,15 @@ static void test_acpi_one(const char *params, test_data *data) test_acpi_fadt_table(data); test_acpi_facs_table(data); test_acpi_dsdt_table(data); - test_acpi_ssdt_tables(data); + test_acpi_tables(data); + + if (iasl) { + if (getenv(ACPI_REBUILD_EXPECTED_AML)) { + dump_aml_files(data, true); + } else { + test_acpi_asl(data); + } + } qtest_quit(global_qtest); g_free(args); @@ -373,8 +612,14 @@ static void test_acpi_tcg(void) /* Supplying -machine accel argument overrides the default (qtest). * This is to make guest actually run. */ + memset(&data, 0, sizeof(data)); + data.machine = MACHINE_PC; test_acpi_one("-machine accel=tcg", &data); + free_test_data(&data); + memset(&data, 0, sizeof(data)); + data.machine = MACHINE_Q35; + test_acpi_one("-machine q35,accel=tcg", &data); free_test_data(&data); } diff --git a/trace/simple.c b/trace/simple.c index 1e3f6914c5..57572c4905 100644 --- a/trace/simple.c +++ b/trace/simple.c @@ -19,6 +19,7 @@ #include "qemu/timer.h" #include "trace.h" #include "trace/control.h" +#include "trace/simple.h" /** Trace file header event ID */ #define HEADER_EVENT_ID (~(uint64_t)0) /* avoids conflicting with TraceEventIDs */ @@ -39,7 +40,17 @@ * Trace records are written out by a dedicated thread. The thread waits for * records to become available, writes them out, and then waits again. */ +#if GLIB_CHECK_VERSION(2, 32, 0) +static GMutex trace_lock; +#define lock_trace_lock() g_mutex_lock(&trace_lock) +#define unlock_trace_lock() g_mutex_unlock(&trace_lock) +#define get_trace_lock_mutex() (&trace_lock) +#else static GStaticMutex trace_lock = G_STATIC_MUTEX_INIT; +#define lock_trace_lock() g_static_mutex_lock(&trace_lock) +#define unlock_trace_lock() g_static_mutex_unlock(&trace_lock) +#define get_trace_lock_mutex() g_static_mutex_get_mutex(&trace_lock) +#endif /* g_cond_new() was deprecated in glib 2.31 but we still need to support it */ #if GLIB_CHECK_VERSION(2, 31, 0) @@ -139,27 +150,26 @@ static bool get_trace_record(unsigned int idx, TraceRecord **recordptr) */ static void flush_trace_file(bool wait) { - g_static_mutex_lock(&trace_lock); + lock_trace_lock(); trace_available = true; g_cond_signal(trace_available_cond); if (wait) { - g_cond_wait(trace_empty_cond, g_static_mutex_get_mutex(&trace_lock)); + g_cond_wait(trace_empty_cond, get_trace_lock_mutex()); } - g_static_mutex_unlock(&trace_lock); + unlock_trace_lock(); } static void wait_for_trace_records_available(void) { - g_static_mutex_lock(&trace_lock); + lock_trace_lock(); while (!(trace_available && trace_writeout_enabled)) { g_cond_signal(trace_empty_cond); - g_cond_wait(trace_available_cond, - g_static_mutex_get_mutex(&trace_lock)); + g_cond_wait(trace_available_cond, get_trace_lock_mutex()); } trace_available = false; - g_static_mutex_unlock(&trace_lock); + unlock_trace_lock(); } static gpointer writeout_thread(gpointer opaque) diff --git a/vl.c b/vl.c index 7f4fe0d5df..c73462e811 100644 --- a/vl.c +++ b/vl.c @@ -2925,7 +2925,7 @@ int main(int argc, char **argv, char **envp) bdrv_init_with_whitelist(); - autostart= 1; + autostart = 1; /* first pass of option parsing */ optind = 1; @@ -3879,8 +3879,10 @@ int main(int argc, char **argv, char **envp) qemu_set_log(mask); } - if (!trace_backend_init(trace_events, trace_file)) { - exit(1); + if (!is_daemonized()) { + if (!trace_backend_init(trace_events, trace_file)) { + exit(1); + } } /* If no data_dir is specified then try to find it relative to the @@ -4379,6 +4381,12 @@ int main(int argc, char **argv, char **envp) os_setup_post(); + if (is_daemonized()) { + if (!trace_backend_init(trace_events, trace_file)) { + exit(1); + } + } + main_loop(); bdrv_close_all(); pause_all_vcpus(); |