From: Philippe Mathieu-Daudé <philmd@linaro.org> These machines has been supported for a period of more than 6 years. According to our versioned machine support policy (see commit ce80c4fa6ff "docs: document special exception for machine type deprecation & removal") they can now be removed. Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> --- hw/i386/pc_piix.c | 14 -------------- hw/i386/pc_q35.c | 14 -------------- 2 files changed, 28 deletions(-) diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 2e2671d60502..fa1025dcfd85 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -733,20 +733,6 @@ static void pc_i440fx_machine_2_7_options(MachineClass *m) DEFINE_I440FX_MACHINE(2, 7); -static void pc_i440fx_machine_2_6_options(MachineClass *m) -{ - X86MachineClass *x86mc = X86_MACHINE_CLASS(m); - PCMachineClass *pcmc = PC_MACHINE_CLASS(m); - - pc_i440fx_machine_2_7_options(m); - pcmc->legacy_cpu_hotplug = true; - x86mc->fwcfg_dma_enabled = false; - compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); - compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); -} - -DEFINE_I440FX_MACHINE(2, 6); - #ifdef CONFIG_XEN static void xenfv_machine_4_2_options(MachineClass *m) { diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 18158ad15e41..7214a4232ffc 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -681,17 +681,3 @@ static void pc_q35_machine_2_7_options(MachineClass *m) } DEFINE_Q35_MACHINE(2, 7); - -static void pc_q35_machine_2_6_options(MachineClass *m) -{ - X86MachineClass *x86mc = X86_MACHINE_CLASS(m); - PCMachineClass *pcmc = PC_MACHINE_CLASS(m); - - pc_q35_machine_2_7_options(m); - pcmc->legacy_cpu_hotplug = true; - x86mc->fwcfg_dma_enabled = false; - compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); - compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); -} - -DEFINE_Q35_MACHINE(2, 6); -- 2.34.1

For compatibility reasons PC/Q35 will start with legacy CPU hotplug interface by default but with new CPU hotplug AML code since 2.7 machine type (in commit 679dd1a957df ("pc: use new CPU hotplug interface since 2.7 machine type")). In that way, legacy firmware that doesn't use QEMU generated ACPI tables was able to continue using legacy CPU hotplug interface. While later machine types, with firmware supporting QEMU provided ACPI tables, generate new CPU hotplug AML, which will switch to new CPU hotplug interface when guest OS executes its _INI method on ACPI tables loading. Since 2.6 machine type is now gone, and consider that the legacy BIOS (based on QEMU ACPI prior to v2.7) should be no longer in use, previous compatibility requirements are no longer necessary. So initialize 'modern' hotplug directly from the very beginning for PC/Q35 machines with cpu_hotplug_hw_init(), and drop _INIT method. Additionally, remove the checks and settings around cpu_hotplug_legacy in cpuhp VMState (for piix4 & ich9), to eliminate the risk of segmentation faults, as gpe_cpu no longer has the opportunity to be initialized. This is safe because all hotplug now start with the modern way, and it's impossible to switch to legacy way at runtime (even the "cpu-hotplug-legacy" properties does not allow it either). Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Acked-by: Igor Mammedov <imammedo@redhat.com> --- Changes since v4: * New patch split off from Igor's v5 [*]. [*]: https://lore.kernel.org/qemu-devel/20251031142825.179239-1-imammedo@redhat.c... --- hw/acpi/cpu.c | 10 ---------- hw/acpi/ich9.c | 22 +++------------------- hw/acpi/piix4.c | 21 +++------------------ hw/i386/acpi-build.c | 2 +- hw/loongarch/virt-acpi-build.c | 1 - include/hw/acpi/cpu.h | 1 - 6 files changed, 7 insertions(+), 50 deletions(-) diff --git a/hw/acpi/cpu.c b/hw/acpi/cpu.c index 6f1ae79edbf3..d63ca83c1bcd 100644 --- a/hw/acpi/cpu.c +++ b/hw/acpi/cpu.c @@ -408,16 +408,6 @@ void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts, aml_append(field, aml_reserved_field(4 * 8)); aml_append(field, aml_named_field(CPU_DATA, 32)); aml_append(cpu_ctrl_dev, field); - - if (opts.has_legacy_cphp) { - method = aml_method("_INI", 0, AML_SERIALIZED); - /* switch off legacy CPU hotplug HW and use new one, - * on reboot system is in new mode and writing 0 - * in CPU_SELECTOR selects BSP, which is NOP at - * the time _INI is called */ - aml_append(method, aml_store(zero, aml_name(CPU_SELECTOR))); - aml_append(cpu_ctrl_dev, method); - } } aml_append(sb_scope, cpu_ctrl_dev); diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c index 2b3b493c014b..54590129c695 100644 --- a/hw/acpi/ich9.c +++ b/hw/acpi/ich9.c @@ -183,26 +183,10 @@ static const VMStateDescription vmstate_tco_io_state = { } }; -static bool vmstate_test_use_cpuhp(void *opaque) -{ - ICH9LPCPMRegs *s = opaque; - return !s->cpu_hotplug_legacy; -} - -static int vmstate_cpuhp_pre_load(void *opaque) -{ - ICH9LPCPMRegs *s = opaque; - Object *obj = OBJECT(s->gpe_cpu.device); - object_property_set_bool(obj, "cpu-hotplug-legacy", false, &error_abort); - return 0; -} - static const VMStateDescription vmstate_cpuhp_state = { .name = "ich9_pm/cpuhp", .version_id = 1, .minimum_version_id = 1, - .needed = vmstate_test_use_cpuhp, - .pre_load = vmstate_cpuhp_pre_load, .fields = (const VMStateField[]) { VMSTATE_CPU_HOTPLUG(cpuhp_state, ICH9LPCPMRegs), VMSTATE_END_OF_LIST() @@ -338,8 +322,8 @@ void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, qemu_irq sci_irq) pm->powerdown_notifier.notify = pm_powerdown_req; qemu_register_powerdown_notifier(&pm->powerdown_notifier); - legacy_acpi_cpu_hotplug_init(pci_address_space_io(lpc_pci), - OBJECT(lpc_pci), &pm->gpe_cpu, ICH9_CPU_HOTPLUG_IO_BASE); + cpu_hotplug_hw_init(pci_address_space_io(lpc_pci), + OBJECT(lpc_pci), &pm->cpuhp_state, ICH9_CPU_HOTPLUG_IO_BASE); acpi_memory_hotplug_init(pci_address_space_io(lpc_pci), OBJECT(lpc_pci), &pm->acpi_memory_hotplug, @@ -419,7 +403,7 @@ void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm) { static const uint32_t gpe0_len = ICH9_PMIO_GPE0_LEN; pm->acpi_memory_hotplug.is_enabled = true; - pm->cpu_hotplug_legacy = true; + pm->cpu_hotplug_legacy = false; pm->disable_s3 = 0; pm->disable_s4 = 0; pm->s4_val = 2; diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index 19d4d4be9329..0eda692084d3 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -195,25 +195,10 @@ static const VMStateDescription vmstate_memhp_state = { } }; -static bool vmstate_test_use_cpuhp(void *opaque) -{ - PIIX4PMState *s = opaque; - return !s->cpu_hotplug_legacy; -} - -static int vmstate_cpuhp_pre_load(void *opaque) -{ - Object *obj = OBJECT(opaque); - object_property_set_bool(obj, "cpu-hotplug-legacy", false, &error_abort); - return 0; -} - static const VMStateDescription vmstate_cpuhp_state = { .name = "piix4_pm/cpuhp", .version_id = 1, .minimum_version_id = 1, - .needed = vmstate_test_use_cpuhp, - .pre_load = vmstate_cpuhp_pre_load, .fields = (const VMStateField[]) { VMSTATE_CPU_HOTPLUG(cpuhp_state, PIIX4PMState), VMSTATE_END_OF_LIST() @@ -573,12 +558,12 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent, qbus_set_hotplug_handler(BUS(pci_get_bus(PCI_DEVICE(s))), OBJECT(s)); } - s->cpu_hotplug_legacy = true; + s->cpu_hotplug_legacy = false; object_property_add_bool(OBJECT(s), "cpu-hotplug-legacy", piix4_get_cpu_hotplug_legacy, piix4_set_cpu_hotplug_legacy); - legacy_acpi_cpu_hotplug_init(parent, OBJECT(s), &s->gpe_cpu, - PIIX4_CPU_HOTPLUG_IO_BASE); + cpu_hotplug_hw_init(parent, OBJECT(s), &s->cpuhp_state, + PIIX4_CPU_HOTPLUG_IO_BASE); if (s->acpi_memory_hotplug.is_enabled) { acpi_memory_hotplug_init(parent, OBJECT(s), &s->acpi_memory_hotplug, diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 9446a9f862ca..23147ddc25e7 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -964,7 +964,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, build_legacy_cpu_hotplug_aml(dsdt, machine, pm->cpu_hp_io_base); } else { CPUHotplugFeatures opts = { - .acpi_1_compatible = true, .has_legacy_cphp = true, + .acpi_1_compatible = true, .smi_path = pm->smi_on_cpuhp ? "\\_SB.PCI0.SMI0.SMIC" : NULL, .fw_unplugs_cpu = pm->smi_on_cpu_unplug, }; diff --git a/hw/loongarch/virt-acpi-build.c b/hw/loongarch/virt-acpi-build.c index 8ff9ebdcd9ed..beed6dcb8f89 100644 --- a/hw/loongarch/virt-acpi-build.c +++ b/hw/loongarch/virt-acpi-build.c @@ -369,7 +369,6 @@ build_la_ged_aml(Aml *dsdt, MachineState *machine) if (event & ACPI_GED_CPU_HOTPLUG_EVT) { opts.acpi_1_compatible = false; - opts.has_legacy_cphp = false; opts.fw_unplugs_cpu = false; opts.smi_path = NULL; diff --git a/include/hw/acpi/cpu.h b/include/hw/acpi/cpu.h index 557219d2c638..2809dd8a911e 100644 --- a/include/hw/acpi/cpu.h +++ b/include/hw/acpi/cpu.h @@ -54,7 +54,6 @@ void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner, typedef struct CPUHotplugFeatures { bool acpi_1_compatible; - bool has_legacy_cphp; bool fw_unplugs_cpu; const char *smi_path; } CPUHotplugFeatures; -- 2.34.1

The cpu_hotplug.h and cpu_hotplug.c contain legacy cpu hotplug utilities. Now there's no use case of legacy cpu hotplug, so it's safe to drop legacy cpu hotplug support totally. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Acked-by: Igor Mammedov <imammedo@redhat.com> --- Changes since v4: * New patch split off from Igor's v5 [*]. [*]: https://lore.kernel.org/qemu-devel/20251031142825.179239-1-imammedo@redhat.c... --- hw/acpi/acpi-cpu-hotplug-stub.c | 19 +- hw/acpi/cpu_hotplug.c | 348 -------------------------------- hw/acpi/generic_event_device.c | 1 + hw/acpi/ich9.c | 1 + hw/acpi/meson.build | 2 +- hw/acpi/piix4.c | 2 +- hw/i386/acpi-build.c | 1 + hw/i386/pc.c | 3 +- hw/i386/x86-common.c | 1 - include/hw/acpi/ich9.h | 2 +- include/hw/acpi/piix4.h | 2 +- 11 files changed, 10 insertions(+), 372 deletions(-) delete mode 100644 hw/acpi/cpu_hotplug.c diff --git a/hw/acpi/acpi-cpu-hotplug-stub.c b/hw/acpi/acpi-cpu-hotplug-stub.c index 9872dd55e43f..72c5f05f5c4e 100644 --- a/hw/acpi/acpi-cpu-hotplug-stub.c +++ b/hw/acpi/acpi-cpu-hotplug-stub.c @@ -1,22 +1,10 @@ #include "qemu/osdep.h" -#include "hw/acpi/cpu_hotplug.h" #include "migration/vmstate.h" - +#include "hw/acpi/cpu.h" /* Following stubs are all related to ACPI cpu hotplug */ const VMStateDescription vmstate_cpu_hotplug; -void acpi_switch_to_modern_cphp(AcpiCpuHotplug *gpe_cpu, - CPUHotplugState *cpuhp_state, - uint16_t io_port) -{ -} - -void legacy_acpi_cpu_hotplug_init(MemoryRegion *parent, Object *owner, - AcpiCpuHotplug *gpe_cpu, uint16_t base) -{ -} - void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner, CPUHotplugState *state, hwaddr base_addr) { @@ -31,11 +19,6 @@ void acpi_cpu_plug_cb(HotplugHandler *hotplug_dev, { } -void legacy_acpi_cpu_plug_cb(HotplugHandler *hotplug_dev, - AcpiCpuHotplug *g, DeviceState *dev, Error **errp) -{ -} - void acpi_cpu_unplug_cb(CPUHotplugState *cpu_st, DeviceState *dev, Error **errp) { diff --git a/hw/acpi/cpu_hotplug.c b/hw/acpi/cpu_hotplug.c deleted file mode 100644 index aa0e1e3efa54..000000000000 --- a/hw/acpi/cpu_hotplug.c +++ /dev/null @@ -1,348 +0,0 @@ -/* - * 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 "qemu/osdep.h" -#include "hw/acpi/cpu_hotplug.h" -#include "qapi/error.h" -#include "hw/core/cpu.h" -#include "hw/i386/x86.h" -#include "hw/pci/pci_device.h" -#include "qemu/error-report.h" - -#define CPU_EJECT_METHOD "CPEJ" -#define CPU_MAT_METHOD "CPMA" -#define CPU_ON_BITMAP "CPON" -#define CPU_STATUS_METHOD "CPST" -#define CPU_STATUS_MAP "PRS" -#define CPU_SCAN_METHOD "PRSC" - -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) -{ - /* firmware never used to write in CPU present bitmap so use - this fact as means to switch QEMU into modern CPU hotplug - mode by writing 0 at the beginning of legacy CPU bitmap - */ - if (addr == 0 && data == 0) { - AcpiCpuHotplug *cpus = opaque; - object_property_set_bool(cpus->device, "cpu-hotplug-legacy", false, - &error_abort); - } -} - -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 = 4, - }, - .impl = { - .max_access_size = 1, - }, -}; - -static void acpi_set_cpu_present_bit(AcpiCpuHotplug *g, CPUState *cpu, - bool *swtchd_to_modern) -{ - int64_t cpu_id; - - cpu_id = cpu->cc->get_arch_id(cpu); - if ((cpu_id / 8) >= ACPI_GPE_PROC_LEN) { - object_property_set_bool(g->device, "cpu-hotplug-legacy", false, - &error_abort); - *swtchd_to_modern = true; - return; - } - - *swtchd_to_modern = false; - g->sts[cpu_id / 8] |= (1 << (cpu_id % 8)); -} - -void legacy_acpi_cpu_plug_cb(HotplugHandler *hotplug_dev, - AcpiCpuHotplug *g, DeviceState *dev, Error **errp) -{ - bool swtchd_to_modern; - Error *local_err = NULL; - - acpi_set_cpu_present_bit(g, CPU(dev), &swtchd_to_modern); - if (swtchd_to_modern) { - /* propagate the hotplug to the modern interface */ - hotplug_handler_plug(hotplug_dev, dev, &local_err); - } else { - acpi_send_event(DEVICE(hotplug_dev), ACPI_CPU_HOTPLUG_STATUS); - } -} - -void legacy_acpi_cpu_hotplug_init(MemoryRegion *parent, Object *owner, - AcpiCpuHotplug *gpe_cpu, uint16_t base) -{ - CPUState *cpu; - bool swtchd_to_modern; - - 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); - gpe_cpu->device = owner; - - CPU_FOREACH(cpu) { - acpi_set_cpu_present_bit(gpe_cpu, cpu, &swtchd_to_modern); - } -} - -void acpi_switch_to_modern_cphp(AcpiCpuHotplug *gpe_cpu, - CPUHotplugState *cpuhp_state, - uint16_t io_port) -{ - MemoryRegion *parent = pci_address_space_io(PCI_DEVICE(gpe_cpu->device)); - - memory_region_del_subregion(parent, &gpe_cpu->io); - cpu_hotplug_hw_init(parent, gpe_cpu->device, cpuhp_state, io_port); -} - -void build_legacy_cpu_hotplug_aml(Aml *ctx, MachineState *machine, - uint16_t io_base) -{ - Aml *dev; - Aml *crs; - Aml *pkg; - Aml *field; - Aml *method; - Aml *if_ctx; - Aml *else_ctx; - int i, apic_idx; - Aml *sb_scope = aml_scope("_SB"); - uint8_t madt_tmpl[8] = {0x00, 0x08, 0x00, 0x00, 0x00, 0, 0, 0}; - Aml *cpu_id = aml_arg(1); - Aml *apic_id = aml_arg(0); - Aml *cpu_on = aml_local(0); - Aml *madt = aml_local(1); - Aml *cpus_map = aml_name(CPU_ON_BITMAP); - Aml *zero = aml_int(0); - Aml *one = aml_int(1); - MachineClass *mc = MACHINE_GET_CLASS(machine); - const CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine); - X86MachineState *x86ms = X86_MACHINE(machine); - - /* - * _MAT method - creates an madt apic buffer - * apic_id = Arg0 = Local APIC ID - * cpu_id = Arg1 = Processor ID - * cpu_on = Local0 = CPON flag for this cpu - * madt = Local1 = Buffer (in madt apic form) to return - */ - method = aml_method(CPU_MAT_METHOD, 2, AML_NOTSERIALIZED); - aml_append(method, - aml_store(aml_derefof(aml_index(cpus_map, apic_id)), cpu_on)); - aml_append(method, - aml_store(aml_buffer(sizeof(madt_tmpl), madt_tmpl), madt)); - /* Update the processor id, lapic id, and enable/disable status */ - aml_append(method, aml_store(cpu_id, aml_index(madt, aml_int(2)))); - aml_append(method, aml_store(apic_id, aml_index(madt, aml_int(3)))); - aml_append(method, aml_store(cpu_on, aml_index(madt, aml_int(4)))); - aml_append(method, aml_return(madt)); - aml_append(sb_scope, method); - - /* - * _STA method - return ON status of cpu - * apic_id = Arg0 = Local APIC ID - * cpu_on = Local0 = CPON flag for this cpu - */ - method = aml_method(CPU_STATUS_METHOD, 1, AML_NOTSERIALIZED); - aml_append(method, - aml_store(aml_derefof(aml_index(cpus_map, apic_id)), cpu_on)); - if_ctx = aml_if(cpu_on); - { - aml_append(if_ctx, aml_return(aml_int(0xF))); - } - aml_append(method, if_ctx); - else_ctx = aml_else(); - { - aml_append(else_ctx, aml_return(zero)); - } - aml_append(method, else_ctx); - aml_append(sb_scope, method); - - method = aml_method(CPU_EJECT_METHOD, 2, AML_NOTSERIALIZED); - aml_append(method, aml_sleep(200)); - aml_append(sb_scope, method); - - method = aml_method(CPU_SCAN_METHOD, 0, AML_NOTSERIALIZED); - { - Aml *while_ctx, *if_ctx2, *else_ctx2; - Aml *bus_check_evt = aml_int(1); - Aml *remove_evt = aml_int(3); - Aml *status_map = aml_local(5); /* Local5 = active cpu bitmap */ - Aml *byte = aml_local(2); /* Local2 = last read byte from bitmap */ - Aml *idx = aml_local(0); /* Processor ID / APIC ID iterator */ - Aml *is_cpu_on = aml_local(1); /* Local1 = CPON flag for cpu */ - Aml *status = aml_local(3); /* Local3 = active state for cpu */ - - aml_append(method, aml_store(aml_name(CPU_STATUS_MAP), status_map)); - aml_append(method, aml_store(zero, byte)); - aml_append(method, aml_store(zero, idx)); - - /* While (idx < SizeOf(CPON)) */ - while_ctx = aml_while(aml_lless(idx, aml_sizeof(cpus_map))); - aml_append(while_ctx, - aml_store(aml_derefof(aml_index(cpus_map, idx)), is_cpu_on)); - - if_ctx = aml_if(aml_and(idx, aml_int(0x07), NULL)); - { - /* Shift down previously read bitmap byte */ - aml_append(if_ctx, aml_shiftright(byte, one, byte)); - } - aml_append(while_ctx, if_ctx); - - else_ctx = aml_else(); - { - /* Read next byte from cpu bitmap */ - aml_append(else_ctx, aml_store(aml_derefof(aml_index(status_map, - aml_shiftright(idx, aml_int(3), NULL))), byte)); - } - aml_append(while_ctx, else_ctx); - - aml_append(while_ctx, aml_store(aml_and(byte, one, NULL), status)); - if_ctx = aml_if(aml_lnot(aml_equal(is_cpu_on, status))); - { - /* State change - update CPON with new state */ - aml_append(if_ctx, aml_store(status, aml_index(cpus_map, idx))); - if_ctx2 = aml_if(aml_equal(status, one)); - { - aml_append(if_ctx2, - aml_call2(AML_NOTIFY_METHOD, idx, bus_check_evt)); - } - aml_append(if_ctx, if_ctx2); - else_ctx2 = aml_else(); - { - aml_append(else_ctx2, - aml_call2(AML_NOTIFY_METHOD, idx, remove_evt)); - } - } - aml_append(if_ctx, else_ctx2); - aml_append(while_ctx, if_ctx); - - aml_append(while_ctx, aml_increment(idx)); /* go to next cpu */ - aml_append(method, while_ctx); - } - aml_append(sb_scope, method); - - /* The current AML generator can cover the APIC ID range [0..255], - * inclusive, for VCPU hotplug. */ - QEMU_BUILD_BUG_ON(ACPI_CPU_HOTPLUG_ID_LIMIT > 256); - if (x86ms->apic_id_limit > ACPI_CPU_HOTPLUG_ID_LIMIT) { - error_report("max_cpus is too large. APIC ID of last CPU is %u", - x86ms->apic_id_limit - 1); - exit(1); - } - - /* create PCI0.PRES device and its _CRS to reserve CPU hotplug MMIO */ - dev = aml_device("PCI0." stringify(CPU_HOTPLUG_RESOURCE_DEVICE)); - aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A06"))); - aml_append(dev, - aml_name_decl("_UID", aml_string("CPU Hotplug resources")) - ); - /* device present, functioning, decoding, not shown in UI */ - aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); - crs = aml_resource_template(); - aml_append(crs, - aml_io(AML_DECODE16, io_base, io_base, 1, ACPI_GPE_PROC_LEN) - ); - aml_append(dev, aml_name_decl("_CRS", crs)); - aml_append(sb_scope, dev); - /* declare CPU hotplug MMIO region and PRS field to access it */ - aml_append(sb_scope, aml_operation_region( - "PRST", AML_SYSTEM_IO, aml_int(io_base), ACPI_GPE_PROC_LEN)); - field = aml_field("PRST", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); - aml_append(field, aml_named_field("PRS", 256)); - aml_append(sb_scope, field); - - /* build Processor object for each processor */ - for (i = 0; i < apic_ids->len; i++) { - int cpu_apic_id = apic_ids->cpus[i].arch_id; - - assert(cpu_apic_id < ACPI_CPU_HOTPLUG_ID_LIMIT); - - dev = aml_processor(i, 0, 0, "CP%.02X", cpu_apic_id); - - method = aml_method("_MAT", 0, AML_NOTSERIALIZED); - aml_append(method, - aml_return(aml_call2(CPU_MAT_METHOD, - aml_int(cpu_apic_id), aml_int(i)) - )); - aml_append(dev, method); - - method = aml_method("_STA", 0, AML_NOTSERIALIZED); - aml_append(method, - aml_return(aml_call1(CPU_STATUS_METHOD, aml_int(cpu_apic_id)))); - aml_append(dev, method); - - method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); - aml_append(method, - aml_return(aml_call2(CPU_EJECT_METHOD, aml_int(cpu_apic_id), - aml_arg(0))) - ); - aml_append(dev, method); - - aml_append(sb_scope, dev); - } - - /* build this code: - * Method(NTFY, 2) {If (LEqual(Arg0, 0x00)) {Notify(CP00, Arg1)} ...} - */ - /* Arg0 = APIC ID */ - method = aml_method(AML_NOTIFY_METHOD, 2, AML_NOTSERIALIZED); - for (i = 0; i < apic_ids->len; i++) { - int cpu_apic_id = apic_ids->cpus[i].arch_id; - - if_ctx = aml_if(aml_equal(aml_arg(0), aml_int(cpu_apic_id))); - aml_append(if_ctx, - aml_notify(aml_name("CP%.02X", cpu_apic_id), aml_arg(1)) - ); - aml_append(method, if_ctx); - } - aml_append(sb_scope, method); - - /* build "Name(CPON, Package() { One, One, ..., Zero, Zero, ... })" - * - * Note: The ability to create variable-sized packages was first - * introduced in ACPI 2.0. ACPI 1.0 only allowed fixed-size packages - * ith up to 255 elements. Windows guests up to win2k8 fail when - * VarPackageOp is used. - */ - pkg = x86ms->apic_id_limit <= 255 ? aml_package(x86ms->apic_id_limit) : - aml_varpackage(x86ms->apic_id_limit); - - for (i = 0, apic_idx = 0; i < apic_ids->len; i++) { - int cpu_apic_id = apic_ids->cpus[i].arch_id; - - for (; apic_idx < cpu_apic_id; apic_idx++) { - aml_append(pkg, aml_int(0)); - } - aml_append(pkg, aml_int(apic_ids->cpus[i].cpu ? 1 : 0)); - apic_idx = cpu_apic_id + 1; - } - aml_append(sb_scope, aml_name_decl(CPU_ON_BITMAP, pkg)); - aml_append(ctx, sb_scope); - - method = aml_method("\\_GPE._E02", 0, AML_NOTSERIALIZED); - aml_append(method, aml_call0("\\_SB." CPU_SCAN_METHOD)); - aml_append(ctx, method); -} diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c index 6741f46723cb..30dab43a00ce 100644 --- a/hw/acpi/generic_event_device.c +++ b/hw/acpi/generic_event_device.c @@ -13,6 +13,7 @@ #include "qapi/error.h" #include "hw/acpi/acpi.h" #include "hw/acpi/pcihp.h" +#include "hw/acpi/cpu.h" #include "hw/acpi/generic_event_device.h" #include "hw/pci/pci.h" #include "hw/core/irq.h" diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c index f254f3879716..bbb1bd60a206 100644 --- a/hw/acpi/ich9.c +++ b/hw/acpi/ich9.c @@ -40,6 +40,7 @@ #include "hw/southbridge/ich9.h" #include "hw/mem/pc-dimm.h" #include "hw/mem/nvdimm.h" +#include "hw/acpi/pc-hotplug.h" static void ich9_pm_update_sci_fn(ACPIREGS *regs) { diff --git a/hw/acpi/meson.build b/hw/acpi/meson.build index 56b5d1ec9691..66c978aae836 100644 --- a/hw/acpi/meson.build +++ b/hw/acpi/meson.build @@ -6,7 +6,7 @@ acpi_ss.add(files( 'core.c', 'utils.c', )) -acpi_ss.add(when: 'CONFIG_ACPI_CPU_HOTPLUG', if_true: files('cpu.c', 'cpu_hotplug.c')) +acpi_ss.add(when: 'CONFIG_ACPI_CPU_HOTPLUG', if_true: files('cpu.c')) acpi_ss.add(when: 'CONFIG_ACPI_CPU_HOTPLUG', if_false: files('acpi-cpu-hotplug-stub.c')) acpi_ss.add(when: 'CONFIG_ACPI_MEMORY_HOTPLUG', if_true: files('memory_hotplug.c')) acpi_ss.add(when: 'CONFIG_ACPI_MEMORY_HOTPLUG', if_false: files('acpi-mem-hotplug-stub.c')) diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index 05f9d6372a9b..138ac3d39408 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -33,7 +33,6 @@ #include "system/xen.h" #include "qapi/error.h" #include "qemu/range.h" -#include "hw/acpi/cpu_hotplug.h" #include "hw/acpi/cpu.h" #include "hw/core/hotplug.h" #include "hw/mem/pc-dimm.h" @@ -43,6 +42,7 @@ #include "migration/vmstate.h" #include "hw/core/cpu.h" #include "qom/object.h" +#include "hw/acpi/pc-hotplug.h" #define GPE_BASE 0xafe0 #define GPE_LEN 4 diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index bf7ed2e50837..a744eb6c3a9b 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -35,6 +35,7 @@ #include "hw/acpi/acpi-defs.h" #include "hw/acpi/acpi.h" #include "hw/acpi/cpu.h" +#include "hw/acpi/pc-hotplug.h" #include "hw/nvram/fw_cfg.h" #include "hw/acpi/bios-linker-loader.h" #include "hw/acpi/acpi_aml_interface.h" diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 1478a26f11b7..15d21f380c43 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -48,7 +48,8 @@ #include "hw/xen/xen.h" #include "qobject/qlist.h" #include "qemu/error-report.h" -#include "hw/acpi/cpu_hotplug.h" +#include "hw/acpi/acpi.h" +#include "hw/acpi/pc-hotplug.h" #include "acpi-build.h" #include "hw/mem/nvdimm.h" #include "hw/cxl/cxl_host.h" diff --git a/hw/i386/x86-common.c b/hw/i386/x86-common.c index c1c922403924..85b90ff43248 100644 --- a/hw/i386/x86-common.c +++ b/hw/i386/x86-common.c @@ -36,7 +36,6 @@ #include "hw/rtc/mc146818rtc.h" #include "target/i386/sev.h" -#include "hw/acpi/cpu_hotplug.h" #include "hw/core/irq.h" #include "hw/core/loader.h" #include "multiboot.h" diff --git a/include/hw/acpi/ich9.h b/include/hw/acpi/ich9.h index 6a21472eb32e..019f0915c110 100644 --- a/include/hw/acpi/ich9.h +++ b/include/hw/acpi/ich9.h @@ -22,12 +22,12 @@ #define HW_ACPI_ICH9_H #include "hw/acpi/acpi.h" -#include "hw/acpi/cpu_hotplug.h" #include "hw/acpi/cpu.h" #include "hw/acpi/pcihp.h" #include "hw/acpi/memory_hotplug.h" #include "hw/acpi/acpi_dev_interface.h" #include "hw/acpi/ich9_tco.h" +#include "hw/acpi/cpu.h" #define ACPI_PCIHP_ADDR_ICH9 0x0cc0 diff --git a/include/hw/acpi/piix4.h b/include/hw/acpi/piix4.h index e075f0cbeaf1..863382a814ad 100644 --- a/include/hw/acpi/piix4.h +++ b/include/hw/acpi/piix4.h @@ -24,11 +24,11 @@ #include "hw/pci/pci_device.h" #include "hw/acpi/acpi.h" -#include "hw/acpi/cpu_hotplug.h" #include "hw/acpi/memory_hotplug.h" #include "hw/acpi/pcihp.h" #include "hw/i2c/pm_smbus.h" #include "hw/isa/apm.h" +#include "hw/acpi/cpu.h" #define TYPE_PIIX4_PM "PIIX4_PM" OBJECT_DECLARE_SIMPLE_TYPE(PIIX4PMState, PIIX4_PM) -- 2.34.1

Now the legacy cpu hotplug way has gone away, and there's no _INIT method in DSDT table for modern cpu hotplug support. Update DSDT tables for pc machine, and_INIT methods are removed from DSDT tables: - Method (_INI, 0, Serialized) // _INI: Initialize - { - CSEL = Zero - } Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Acked-by: Igor Mammedov <imammedo@redhat.com> --- Changes since v5: * Merge pc & q35 changes into one patch and simplify the commit message. Changes since v4: * New patch. --- tests/data/acpi/x86/pc/DSDT | Bin 8611 -> 8598 bytes tests/data/acpi/x86/pc/DSDT.acpierst | Bin 8522 -> 8509 bytes tests/data/acpi/x86/pc/DSDT.acpihmat | Bin 9936 -> 9923 bytes tests/data/acpi/x86/pc/DSDT.bridge | Bin 15482 -> 15469 bytes tests/data/acpi/x86/pc/DSDT.cphp | Bin 9075 -> 9062 bytes tests/data/acpi/x86/pc/DSDT.dimmpxm | Bin 10265 -> 10252 bytes tests/data/acpi/x86/pc/DSDT.hpbridge | Bin 8562 -> 8549 bytes tests/data/acpi/x86/pc/DSDT.hpbrroot | Bin 5100 -> 5087 bytes tests/data/acpi/x86/pc/DSDT.ipmikcs | Bin 8683 -> 8670 bytes tests/data/acpi/x86/pc/DSDT.memhp | Bin 9970 -> 9957 bytes tests/data/acpi/x86/pc/DSDT.nohpet | Bin 8469 -> 8456 bytes tests/data/acpi/x86/pc/DSDT.numamem | Bin 8617 -> 8604 bytes tests/data/acpi/x86/pc/DSDT.roothp | Bin 12404 -> 12391 bytes tests/data/acpi/x86/q35/DSDT | Bin 8440 -> 8427 bytes tests/data/acpi/x86/q35/DSDT.acpierst | Bin 8457 -> 8444 bytes tests/data/acpi/x86/q35/DSDT.acpihmat | Bin 9765 -> 9752 bytes .../data/acpi/x86/q35/DSDT.acpihmat-generic-x | Bin 12650 -> 12637 bytes .../acpi/x86/q35/DSDT.acpihmat-noinitiator | Bin 8719 -> 8706 bytes tests/data/acpi/x86/q35/DSDT.applesmc | Bin 8486 -> 8473 bytes tests/data/acpi/x86/q35/DSDT.bridge | Bin 12053 -> 12040 bytes tests/data/acpi/x86/q35/DSDT.core-count | Bin 12998 -> 12985 bytes tests/data/acpi/x86/q35/DSDT.core-count2 | Bin 33855 -> 33842 bytes tests/data/acpi/x86/q35/DSDT.cphp | Bin 8904 -> 8891 bytes tests/data/acpi/x86/q35/DSDT.cxl | Bin 13231 -> 13218 bytes tests/data/acpi/x86/q35/DSDT.dimmpxm | Bin 10094 -> 10081 bytes tests/data/acpi/x86/q35/DSDT.ipmibt | Bin 8515 -> 8502 bytes tests/data/acpi/x86/q35/DSDT.ipmismbus | Bin 8528 -> 8515 bytes tests/data/acpi/x86/q35/DSDT.ivrs | Bin 8457 -> 8444 bytes tests/data/acpi/x86/q35/DSDT.memhp | Bin 9799 -> 9786 bytes tests/data/acpi/x86/q35/DSDT.mmio64 | Bin 9570 -> 9557 bytes tests/data/acpi/x86/q35/DSDT.multi-bridge | Bin 13293 -> 13280 bytes tests/data/acpi/x86/q35/DSDT.noacpihp | Bin 8302 -> 8289 bytes tests/data/acpi/x86/q35/DSDT.nohpet | Bin 8298 -> 8285 bytes tests/data/acpi/x86/q35/DSDT.numamem | Bin 8446 -> 8433 bytes tests/data/acpi/x86/q35/DSDT.pvpanic-isa | Bin 8541 -> 8528 bytes tests/data/acpi/x86/q35/DSDT.thread-count | Bin 12998 -> 12985 bytes tests/data/acpi/x86/q35/DSDT.thread-count2 | Bin 33855 -> 33842 bytes tests/data/acpi/x86/q35/DSDT.tis.tpm12 | Bin 9046 -> 9033 bytes tests/data/acpi/x86/q35/DSDT.tis.tpm2 | Bin 9072 -> 9059 bytes tests/data/acpi/x86/q35/DSDT.type4-count | Bin 18674 -> 18661 bytes tests/data/acpi/x86/q35/DSDT.viot | Bin 14697 -> 14684 bytes tests/data/acpi/x86/q35/DSDT.xapic | Bin 35803 -> 35790 bytes tests/qtest/bios-tables-test-allowed-diff.h | 42 ------------------ 43 files changed, 42 deletions(-) diff --git a/tests/data/acpi/x86/pc/DSDT b/tests/data/acpi/x86/pc/DSDT index 4beb5194b84a711fcb52e3e52cc2096497d18442..6ea2d36d138daffb59a8636759078500adc58f24 100644 GIT binary patch delta 39 vcmZ4NJk6QQCD<ionj!-O<M)kRr+K(so#KO?;-j0qIVa!enYp=@S55=~{=N*| delta 53 zcmbQ{yx5t`CD<iou_6Nl<A;r0r+K)Xoa2L?;-i~9xF+A{naL}{6YuHg$x*=I9PH|| Jxq??t1OUPD58VI& diff --git a/tests/data/acpi/x86/pc/DSDT.acpierst b/tests/data/acpi/x86/pc/DSDT.acpierst index abda6863b64c5dc8ba5aba1a286cbfa76772a1e4..d8c173aa613f51b1c76ea7b9dee19e899cba240d 100644 GIT binary patch delta 39 vcmX@*wAYEtCD<jzR*`{$(S9S>X&x?Dr}$u}_~<5Y&dK+AW^QifJt_<U?(Yn~ delta 53 zcmdn%bjpd#CD<jzOOb(r(PAUlX&x>o=lEc!_~<4NuF3a#X7Y;g#C!UAauhH)2fO-g JuHZc?3;?HG5552Z diff --git a/tests/data/acpi/x86/pc/DSDT.acpihmat b/tests/data/acpi/x86/pc/DSDT.acpihmat index d081db26d7ba504b3344fad130d5812419291ac0..ba363d6af76af728b7c88bbaf47f7e0ea3dcb41f 100644 GIT binary patch delta 39 vcmccMd)SxDCD<k8uo?pc<CcwFr+K(sJmQ0$;-j0qIVa!enYp=@*IN<*4-pM< delta 53 zcmX@?d%>5>CD<k8f*Jz@<Jyf}r+K&>J>!F&;-i~9xF+A{naL}{6YuHg$x*=I9PH|| Jxq{bQ5&+kc5ODwi diff --git a/tests/data/acpi/x86/pc/DSDT.bridge b/tests/data/acpi/x86/pc/DSDT.bridge index e16897dc5f0fbb3f7b4de8db913884046246cc3b..b68302363cb24181988d6e3dceb04a0946838d5e 100644 GIT binary patch delta 39 vcmexW@wS4?CD<h-*M@<Ck#!^2X&x?Dr}$u}_~<5Y&dK+AW^Qif{i+855Lyl9 delta 53 zcmaD`@vDN%CD<jT%7%e~@!v+S(>z>G&hf!c@zG5lT$Atf%;Xi}iTCvL<S1Zp4tDj~ JT*3QQ4*>hl5#|5@ diff --git a/tests/data/acpi/x86/pc/DSDT.cphp b/tests/data/acpi/x86/pc/DSDT.cphp index e95711cd9cde5d50b841b701ae0fed5a4b15e872..20688edf2da41146ece4faa4141517408a42870c 100644 GIT binary patch delta 39 vcmezD_RNjTCD<h-O__m#F>52&X&x@u`1oL__~<5Y&dK+AW^QifeJ2V42kQ;C delta 53 zcmaFn_SucgCD<jTSeb!=F?l1`X&x@8g!o{m_~<4NuF3a#X7Y;g#C!UAauhH)2fO-g JuHbzq3INN05VimS diff --git a/tests/data/acpi/x86/pc/DSDT.dimmpxm b/tests/data/acpi/x86/pc/DSDT.dimmpxm index 90ba66b9164f9a958d5a3c4371b1eec03e922828..8d4be05d2c71ca8de6d732d3e48e0e323143160c 100644 GIT binary patch delta 39 vcmbOk&=bJr66_Mfqrt$yD87;FJ`a~)aD1>+d~}mH=j6{kGdIuVZIA*0-<AwM delta 53 zcmeAPm>Iz366_KpslmX&D6o<1J`b07NPMtUd~}ls*W}MUGkHaL;ywL5ISLq@gI#?# J_wY7I0RWRv4?X|@ diff --git a/tests/data/acpi/x86/pc/DSDT.hpbridge b/tests/data/acpi/x86/pc/DSDT.hpbridge index 0eafe5fbf3d73719c9c3e6e26371863bfb44ed2f..2b5b885b862a2fe8bc4a24446400dccf685dab85 100644 GIT binary patch delta 39 vcmez5^wf#VCD<h-Rgr;#QF|lTX&x?Dr}$u}_~<5Y&dK+AW^QifeJczA{o4&n delta 53 zcmaFr^vQ|KCD<jTNRfeoQDr07X&x>o=lEc!_~<4NuF3a#X7Y;g#C!UAauhH)2fO-g JuHbzu3;?^p5J~_5 diff --git a/tests/data/acpi/x86/pc/DSDT.hpbrroot b/tests/data/acpi/x86/pc/DSDT.hpbrroot index 077a4cc988dc417a1bc9317dddd2dbd96ff1ff50..cc6f26a3f8fe85f34a8acb5432bab3cf4d3ab1f6 100644 GIT binary patch delta 39 vcmaE(eqWu-CD<k8zAys=W7bBl9BwXGr}$u}_~<5Y&dCkjGdHX89AgIn`U?zT delta 53 zcmcbw{zje4CD<k8jW7cPWAa9>9BwWr=lEc!_~<4NuE`DDGkHaL;ywL5ISLq@gI#?# JOY$6J2LQ7!4`2WQ diff --git a/tests/data/acpi/x86/pc/DSDT.ipmikcs b/tests/data/acpi/x86/pc/DSDT.ipmikcs index 8d465f027772f9c59b0c328c1a099e374a6d2a90..052a84e294eee4ecef9a36341493f841caf887a5 100644 GIT binary patch delta 39 vcmaFue9xK7CD<k8o+1MSWAR3=(>z?RPVvD`@zG7*oRjbK%-r0{n<fGP5J?Sr 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delta 53 zcmccMbk~W?CD<h-R*`{$v0x*Yq$HP<b9}H<d~}ls*JNGEnY<!A@t%I390d%{!LB}= Jk4bj10|1sj4)_27 diff --git a/tests/data/acpi/x86/q35/DSDT.thread-count b/tests/data/acpi/x86/q35/DSDT.thread-count index 7ebfceeb66460d0ad98471924ce224b7153e87ef..50ca91b065d9a2ba95f97d01856865f0e7c615f6 100644 GIT binary patch delta 40 wcmX?>x-*r_CD<iorx61KqwPj6NlEVJc*gi(r}*e5Z_dejk~247k^Ce900Y(yC;$Ke delta 54 zcmdm)dMuU8CD<k8m=Oa5quE9-NlEU81jhJar}*e553b32k~4Wlc;Y?%JUI#&oP%9` KHXoP#Bmn@rP7o*n diff --git a/tests/data/acpi/x86/q35/DSDT.thread-count2 b/tests/data/acpi/x86/q35/DSDT.thread-count2 index d0394558a1faa0b4ba43abab66d474d96b477ff3..f460be2bf74ae512db8f24418b42e8cf2a56202d 100644 GIT binary patch delta 42 ycmdnr!L+G^iOVI}CB&$Ofq}7aBbTHkcTX8xe6Uk|bdxvdWIf55o3BV_X8`~d01a>e delta 56 zcmdng!L+}FiOVI}CB(jkfq}7oBbTHkcV{_Ue6Uk|bdv|yWIf55ydpgDo_?Mj1q{x? Mu0ETOOJ-*Q0MS7ZZ~y=R diff --git a/tests/data/acpi/x86/q35/DSDT.tis.tpm12 b/tests/data/acpi/x86/q35/DSDT.tis.tpm12 index f2ed40ca70cb13e733e39f4bad756be8688e01fe..67ebd7c158759221b801ecb67d8562d92fa219d5 100644 GIT binary patch delta 39 vcmccScG8W@CD<jzQ<;H*@#{t|Nl7kOr}$u}_~<5Y&dIuxGdEwBY~}<2^lc1g delta 53 zcmX@<cFm2;CD<h-Oqqd!@!du)Nl7jz=lEc!_~<4NuF1NRGkHaL;ywL5ISLq@gI#?# JACqk61OTT-4`u)W diff --git a/tests/data/acpi/x86/q35/DSDT.tis.tpm2 b/tests/data/acpi/x86/q35/DSDT.tis.tpm2 index 5c975d2162d0bfee5a3a089e79b5ba038f82b7ef..c6b58472157d575e2625557d1346586be06b927c 100644 GIT binary patch delta 39 vcmez1_SlWfCD<h-S($->as5UvNl7kOr}$u}_~<5Y&dIuxGdEwBoXZIS_>T;T delta 53 zcmaFt_Q8$ICD<jTK$(Goam7Y1Nl7jz=lEc!_~<4NuF1NRGkHaL;ywL5ISLq@gI#?# JACsKR2>`3u4~PH& diff --git a/tests/data/acpi/x86/q35/DSDT.type4-count b/tests/data/acpi/x86/q35/DSDT.type4-count index 3194a82b8b4f66aff1ecf7d2d60b4890181fc600..17a64adb2055ad3168754ca121bf29851d2ee496 100644 GIT binary patch delta 42 ycmew~k@4w7MlP3Nmyo9(3=E7>8@VJUx%&??#RogZM>lzMPS%s0x%rBuoIU_FstxM^ delta 56 zcmaDlk@3?+MlP3Nmyk~$3=E9H8@VJUxqA*V#RogZM>lzJP1ci~$t%JW@9F2sQNZ9F M?CP`mxTKsu001Nq>i_@% diff --git a/tests/data/acpi/x86/q35/DSDT.viot b/tests/data/acpi/x86/q35/DSDT.viot index 129d43e1e561be3fd7cd71406829ab81d0a8aba0..6eb30e8f4b2c54e4789c649475adff356c8c58a4 100644 GIT binary patch delta 39 vcmaD^bf<{RCD<h-#*%@7ar#CsNl7kOr}$u}_~<5Y&dIuxGdEwBoF)$d0-g-m delta 53 zcmcap^s<P{CD<h-(~^OKal%F}Nl7jz=lEc!_~<4NuF1NRGkHaL;ywL5ISLq@gI#?# JACsIW4*<Dl57+<z diff --git a/tests/data/acpi/x86/q35/DSDT.xapic b/tests/data/acpi/x86/q35/DSDT.xapic index b37ab591110d1c8201575ad6bba83449d7b90b21..111bb041dc0d114351add07c040dde61643d157a 100644 GIT binary patch delta 42 ycmcaTo$1_kCN7s?mymPa3=E828@VJUxjR0v#RogZM>lzMPS%s0x%rADdl3LU$qs)2 delta 56 zcmX>%o$2;;CN7s?myp}t3=E9T8@VJUxm!Q7#RogZM>lzJP1ci~$t%JW@9F2sQNZ9F M?CP`mxFmZK01fjIe*gdg diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index eed8ded69335..dfb8523c8bf4 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1,43 +1 @@ /* List of comma-separated changed AML files to ignore */ -"tests/data/acpi/x86/pc/DSDT", -"tests/data/acpi/x86/pc/DSDT.bridge", -"tests/data/acpi/x86/pc/DSDT.ipmikcs", -"tests/data/acpi/x86/pc/DSDT.cphp", -"tests/data/acpi/x86/pc/DSDT.numamem", -"tests/data/acpi/x86/pc/DSDT.nohpet", -"tests/data/acpi/x86/pc/DSDT.memhp", -"tests/data/acpi/x86/pc/DSDT.dimmpxm", -"tests/data/acpi/x86/pc/DSDT.acpihmat", -"tests/data/acpi/x86/pc/DSDT.acpierst", -"tests/data/acpi/x86/pc/DSDT.roothp", -"tests/data/acpi/x86/pc/DSDT.hpbridge", -"tests/data/acpi/x86/pc/DSDT.hpbrroot", -"tests/data/acpi/x86/q35/DSDT", -"tests/data/acpi/x86/q35/DSDT.tis.tpm2", -"tests/data/acpi/x86/q35/DSDT.tis.tpm12", -"tests/data/acpi/x86/q35/DSDT.bridge", -"tests/data/acpi/x86/q35/DSDT.noacpihp", -"tests/data/acpi/x86/q35/DSDT.multi-bridge", -"tests/data/acpi/x86/q35/DSDT.ipmibt", -"tests/data/acpi/x86/q35/DSDT.cphp", -"tests/data/acpi/x86/q35/DSDT.numamem", -"tests/data/acpi/x86/q35/DSDT.nohpet", -"tests/data/acpi/x86/q35/DSDT.acpihmat-noinitiator", -"tests/data/acpi/x86/q35/DSDT.acpihmat-generic-x", -"tests/data/acpi/x86/q35/DSDT.memhp", -"tests/data/acpi/x86/q35/DSDT.dimmpxm", -"tests/data/acpi/x86/q35/DSDT.acpihmat", -"tests/data/acpi/x86/q35/DSDT.mmio64", -"tests/data/acpi/x86/q35/DSDT.acpierst", -"tests/data/acpi/x86/q35/DSDT.applesmc", -"tests/data/acpi/x86/q35/DSDT.pvpanic-isa", -"tests/data/acpi/x86/q35/DSDT.ivrs", -"tests/data/acpi/x86/q35/DSDT.type4-count", -"tests/data/acpi/x86/q35/DSDT.core-count", -"tests/data/acpi/x86/q35/DSDT.core-count2", -"tests/data/acpi/x86/q35/DSDT.thread-count", -"tests/data/acpi/x86/q35/DSDT.thread-count2", -"tests/data/acpi/x86/q35/DSDT.viot", -"tests/data/acpi/x86/q35/DSDT.cxl", -"tests/data/acpi/x86/q35/DSDT.ipmismbus", -"tests/data/acpi/x86/q35/DSDT.xapic", -- 2.34.1

From: Philippe Mathieu-Daudé <philmd@linaro.org> fw_cfg_init_mem_wide() is prefered to initialize fw_cfg with DMA support. Without DMA, use fw_cfg_init_mem_nodma(). Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> --- hw/mips/loongson3_virt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/mips/loongson3_virt.c b/hw/mips/loongson3_virt.c index fe51fb66f6f2..cd94e9f5f77e 100644 --- a/hw/mips/loongson3_virt.c +++ b/hw/mips/loongson3_virt.c @@ -287,7 +287,7 @@ static void fw_conf_init(void) FWCfgState *fw_cfg; hwaddr cfg_addr = virt_memmap[VIRT_FW_CFG].base; - fw_cfg = fw_cfg_init_mem_wide(cfg_addr, cfg_addr + 8, 8, 0, NULL); + fw_cfg = fw_cfg_init_mem_nodma(cfg_addr, cfg_addr + 8, 8); fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)current_machine->smp.cpus); fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)current_machine->smp.max_cpus); fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, loaderparams.ram_size); -- 2.34.1

From: Philippe Mathieu-Daudé <philmd@linaro.org> "wide" in fw_cfg_init_mem_wide() means "DMA support". Rename for clarity. Suggested-by: Zhao Liu <zhao1.liu@intel.com> Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> --- Changes since v4: * Fix a missing case in hw/loongarch/fw_cfg.c. --- hw/arm/virt.c | 2 +- hw/loongarch/fw_cfg.c | 4 ++-- hw/nvram/fw_cfg.c | 6 +++--- hw/riscv/virt.c | 4 ++-- include/hw/nvram/fw_cfg.h | 6 +++--- 5 files changed, 11 insertions(+), 11 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index fd0e28f030a3..52ab01d7bb72 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -1412,7 +1412,7 @@ static FWCfgState *create_fw_cfg(const VirtMachineState *vms, AddressSpace *as) FWCfgState *fw_cfg; char *nodename; - fw_cfg = fw_cfg_init_mem_wide(base + 8, base, 8, base + 16, as); + fw_cfg = fw_cfg_init_mem_dma(base + 8, base, 8, base + 16, as); fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)ms->smp.cpus); nodename = g_strdup_printf("/fw-cfg@%" PRIx64, base); diff --git a/hw/loongarch/fw_cfg.c b/hw/loongarch/fw_cfg.c index 493563669e5b..d2a79efbf767 100644 --- a/hw/loongarch/fw_cfg.c +++ b/hw/loongarch/fw_cfg.c @@ -23,8 +23,8 @@ FWCfgState *virt_fw_cfg_init(ram_addr_t ram_size, MachineState *ms) int max_cpus = ms->smp.max_cpus; int smp_cpus = ms->smp.cpus; - fw_cfg = fw_cfg_init_mem_wide(VIRT_FWCFG_BASE + 8, VIRT_FWCFG_BASE, 8, - VIRT_FWCFG_BASE + 16, &address_space_memory); + fw_cfg = fw_cfg_init_mem_dma(VIRT_FWCFG_BASE + 8, VIRT_FWCFG_BASE, 8, + VIRT_FWCFG_BASE + 16, &address_space_memory); fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus); fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size); fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus); diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index 3c1d0b9c1d09..f962480e6685 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -1088,9 +1088,9 @@ static FWCfgState *fw_cfg_init_mem_internal(hwaddr ctl_addr, return s; } -FWCfgState *fw_cfg_init_mem_wide(hwaddr ctl_addr, - hwaddr data_addr, uint32_t data_width, - hwaddr dma_addr, AddressSpace *dma_as) +FWCfgState *fw_cfg_init_mem_dma(hwaddr ctl_addr, + hwaddr data_addr, uint32_t data_width, + hwaddr dma_addr, AddressSpace *dma_as) { assert(dma_addr && dma_as); return fw_cfg_init_mem_internal(ctl_addr, data_addr, data_width, diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index bd8608ea5bfd..07e66b39364c 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -1274,8 +1274,8 @@ static FWCfgState *create_fw_cfg(const MachineState *ms, hwaddr base) { FWCfgState *fw_cfg; - fw_cfg = fw_cfg_init_mem_wide(base + 8, base, 8, base + 16, - &address_space_memory); + fw_cfg = fw_cfg_init_mem_dma(base + 8, base, 8, base + 16, + &address_space_memory); fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)ms->smp.cpus); return fw_cfg; diff --git a/include/hw/nvram/fw_cfg.h b/include/hw/nvram/fw_cfg.h index 510b227b7ef1..56f17a0bdcf7 100644 --- a/include/hw/nvram/fw_cfg.h +++ b/include/hw/nvram/fw_cfg.h @@ -309,9 +309,9 @@ FWCfgState *fw_cfg_init_io_dma(uint32_t iobase, uint32_t dma_iobase, AddressSpace *dma_as); FWCfgState *fw_cfg_init_mem_nodma(hwaddr ctl_addr, hwaddr data_addr, unsigned data_width); -FWCfgState *fw_cfg_init_mem_wide(hwaddr ctl_addr, - hwaddr data_addr, uint32_t data_width, - hwaddr dma_addr, AddressSpace *dma_as); +FWCfgState *fw_cfg_init_mem_dma(hwaddr ctl_addr, + hwaddr data_addr, uint32_t data_width, + hwaddr dma_addr, AddressSpace *dma_as); FWCfgState *fw_cfg_find(void); bool fw_cfg_dma_enabled(void *opaque); -- 2.34.1

From: Philippe Mathieu-Daudé <philmd@linaro.org> All PC machines now use the multiboot_dma.bin binary, we can remove the non-DMA version (multiboot.bin). This doesn't change multiboot_dma binary file. Suggested-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> --- Changes since v4: * There's a recent change for multiboot.S: commit 4c8f69b94839. Rebase this patch on that. --- hw/i386/pc.c | 1 - pc-bios/meson.build | 1 - pc-bios/multiboot.bin | Bin 1024 -> 0 bytes pc-bios/optionrom/Makefile | 2 +- pc-bios/optionrom/multiboot.S | 232 ----------------------------- pc-bios/optionrom/multiboot_dma.S | 234 +++++++++++++++++++++++++++++- pc-bios/optionrom/optionrom.h | 4 - 7 files changed, 233 insertions(+), 241 deletions(-) delete mode 100644 pc-bios/multiboot.bin delete mode 100644 pc-bios/optionrom/multiboot.S diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 15d21f380c43..f029c7323bcb 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -669,7 +669,6 @@ void xen_load_linux(PCMachineState *pcms) assert(!strcmp(option_rom[i].name, "linuxboot.bin") || !strcmp(option_rom[i].name, "linuxboot_dma.bin") || !strcmp(option_rom[i].name, "pvh.bin") || - !strcmp(option_rom[i].name, "multiboot.bin") || !strcmp(option_rom[i].name, "multiboot_dma.bin")); rom_add_option(option_rom[i].name, option_rom[i].bootindex); } diff --git a/pc-bios/meson.build b/pc-bios/meson.build index 9260aaad78e8..efe45c16705d 100644 --- a/pc-bios/meson.build +++ b/pc-bios/meson.build @@ -62,7 +62,6 @@ blobs = [ 'efi-e1000e.rom', 'efi-vmxnet3.rom', 'qemu-nsis.bmp', - 'multiboot.bin', 'multiboot_dma.bin', 'linuxboot.bin', 'linuxboot_dma.bin', diff --git a/pc-bios/multiboot.bin b/pc-bios/multiboot.bin deleted file mode 100644 index e772713c95749bee82c20002b50ec6d05b2d4987..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 1024 zcmeHFF-Tic6utlZQ$OjD#Hxcx2u0GNQv6GySOkZR(ulaX<>%N!Y#>cWhY}nf36J7X zN(%*X6NHY>xcqO11dG^02a8L@B~ihln|%1*|7(haWa`)l@80w7;U4Ziyv0rZ8{K-w zX(Ib3tLZ)RgZ}w1ei{~QEqQq9q1J-iHc<Nk_t=0qf%XfPZVHw2DY#ujc2P|}*P%6X z5J{pPlX4<yP&N5pXK;s@UhB~&!E&UdqEwGZF6xQMIcu9YL#zeSRCoLGt{Nh+08t>} z{m%E-b32A??+@XljSYirtWObwngi<ymS1Ta*dFGMp;8@=_3Z52!v09{UU~`QnFsB_ z7BiEC)uZxH%SW9kPWCicN{_iUjmk<~D^H|R%@|m9%43Woc(Pkeq%n{&8ND5Z*tPt# zJua+xXAQhN4K(1MMs0{u_6sp>l#NmvPZ7KC<lsLdQgMFC@A6POvMoDMgW=M+K;T<o zTkpnNq6x*`vM0CGE>t40l-CQ}*)y<y--c)(x}o&1TMzwX+ToGS@VER4zR&s70fl+( qI)9<-H_-!n#lLJmGq*^~<$US&%R-@)$`@YPx#A6#|L`9<;9UXPG71m? diff --git a/pc-bios/optionrom/Makefile b/pc-bios/optionrom/Makefile index 30d07026c790..1183ef889228 100644 --- a/pc-bios/optionrom/Makefile +++ b/pc-bios/optionrom/Makefile @@ -2,7 +2,7 @@ include config.mak SRC_DIR := $(TOPSRC_DIR)/pc-bios/optionrom VPATH = $(SRC_DIR) -all: multiboot.bin multiboot_dma.bin linuxboot.bin linuxboot_dma.bin kvmvapic.bin pvh.bin +all: multiboot_dma.bin linuxboot.bin linuxboot_dma.bin kvmvapic.bin pvh.bin # Dummy command so that make thinks it has done something @true diff --git a/pc-bios/optionrom/multiboot.S b/pc-bios/optionrom/multiboot.S deleted file mode 100644 index c95e35c9cb62..000000000000 --- a/pc-bios/optionrom/multiboot.S +++ /dev/null @@ -1,232 +0,0 @@ -/* - * Multiboot Option ROM - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - * - * Copyright Novell Inc, 2009 - * Authors: Alexander Graf <agraf@suse.de> - */ - -#include "optionrom.h" - -#define BOOT_ROM_PRODUCT "multiboot loader" - -#define MULTIBOOT_MAGIC 0x2badb002 - -#define GS_PROT_JUMP 0 -#define GS_GDT_DESC 6 - - -BOOT_ROM_START - -run_multiboot: - - cli - cld - - mov %cs, %eax - shl $0x4, %eax - - /* set up a long jump descriptor that is PC relative */ - - /* move stack memory to %gs */ - mov %ss, %ecx - shl $0x4, %ecx - mov %esp, %ebx - add %ebx, %ecx - sub $0x20, %ecx - sub $0x30, %esp - shr $0x4, %ecx - mov %cx, %gs - - /* now push the indirect jump descriptor there */ - mov (prot_jump), %ebx - add %eax, %ebx - movl %ebx, %gs:GS_PROT_JUMP - mov $8, %bx - movw %bx, %gs:GS_PROT_JUMP + 4 - - /* fix the gdt descriptor to be PC relative */ - movw (gdt_desc), %bx - movw %bx, %gs:GS_GDT_DESC - movl (gdt_desc+2), %ebx - add %eax, %ebx - movl %ebx, %gs:GS_GDT_DESC + 2 - - xor %eax, %eax - mov %eax, %es - - /* Read the bootinfo struct into RAM */ - read_fw_blob_dma(FW_CFG_INITRD) - - /* FS = bootinfo_struct */ - read_fw FW_CFG_INITRD_ADDR - shr $4, %eax - mov %ax, %fs - - /* Account for the EBDA in the multiboot structure's e801 - * map. - */ - int $0x12 - cwtl - movl %eax, %fs:4 - - /* ES = mmap_addr */ - mov %fs:48, %eax - shr $4, %eax - mov %ax, %es - - /* Initialize multiboot mmap structs using int 0x15(e820) */ - xor %ebx, %ebx - /* Start storing mmap data at %es:0 */ - xor %edi, %edi - -mmap_loop: - /* The multiboot entry size has offset -4, so leave some space */ - add $4, %di - /* entry size (mmap struct) & max buffer size (int15) */ - movl $20, %ecx - /* e820 */ - movl $0x0000e820, %eax - /* 'SMAP' magic */ - movl $0x534d4150, %edx - int $0x15 - -mmap_check_entry: - /* Error or last entry already done? */ - jb mmap_done - -mmap_store_entry: - /* store entry size */ - /* old as(1) doesn't like this insn so emit the bytes instead: - movl %ecx, %es:-4(%edi) - */ - .dc.b 0x26,0x67,0x66,0x89,0x4f,0xfc - - /* %edi += entry_size, store as mbs_mmap_length */ - add %ecx, %edi - movw %di, %fs:0x2c - - /* Continuation value 0 means last entry */ - test %ebx, %ebx - jnz mmap_loop - -mmap_done: - /* Calculate upper_mem field: The amount of memory between 1 MB and - the first upper memory hole. Get it from the mmap. */ - xor %di, %di - mov $0x100000, %edx -upper_mem_entry: - cmp %fs:0x2c, %di - je upper_mem_done - add $4, %di - - /* Skip if type != 1 */ - cmpl $1, %es:16(%di) - jne upper_mem_next - - /* Skip if > 4 GB */ - movl %es:4(%di), %eax - test %eax, %eax - jnz upper_mem_next - - /* Check for contiguous extension (base <= %edx < base + length) */ - movl %es:(%di), %eax - cmp %eax, %edx - jb upper_mem_next - addl %es:8(%di), %eax - cmp %eax, %edx - jae upper_mem_next - - /* If so, update %edx, and restart the search (mmap isn't ordered) */ - mov %eax, %edx - xor %di, %di - jmp upper_mem_entry - -upper_mem_next: - addl %es:-4(%di), %edi - jmp upper_mem_entry - -upper_mem_done: - sub $0x100000, %edx - shr $10, %edx - mov %edx, %fs:0x8 - -real_to_prot: - /* Load the GDT before going into protected mode */ -lgdt: - data32 lgdt %gs:GS_GDT_DESC - - /* get us to protected mode now */ - movl $1, %eax - movl %eax, %cr0 - - /* the LJMP sets CS for us and gets us to 32-bit */ -ljmp: - data32 ljmp *%gs:GS_PROT_JUMP - -prot_mode: -.code32 - - /* initialize all other segments */ - movl $0x10, %eax - movl %eax, %ss - movl %eax, %ds - movl %eax, %es - movl %eax, %fs - movl %eax, %gs - - /* Read the kernel and modules into RAM */ - read_fw_blob_dma(FW_CFG_KERNEL) - - /* Jump off to the kernel */ - read_fw FW_CFG_KERNEL_ENTRY - mov %eax, %ecx - - /* EBX contains a pointer to the bootinfo struct */ - read_fw FW_CFG_INITRD_ADDR - movl %eax, %ebx - - /* EAX has to contain the magic */ - movl $MULTIBOOT_MAGIC, %eax -ljmp2: - jmp *%ecx - -/* Variables */ -.align 4, 0 -prot_jump: .long prot_mode - .short 8 - -.align 8, 0 -gdt: - /* 0x00 */ -.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 - - /* 0x08: code segment (base=0, limit=0xfffff, type=32bit code exec/read, DPL=0, 4k) */ -.byte 0xff, 0xff, 0x00, 0x00, 0x00, 0x9a, 0xcf, 0x00 - - /* 0x10: data segment (base=0, limit=0xfffff, type=32bit data read/write, DPL=0, 4k) */ -.byte 0xff, 0xff, 0x00, 0x00, 0x00, 0x92, 0xcf, 0x00 - - /* 0x18: code segment (base=0, limit=0x0ffff, type=16bit code exec/read/conf, DPL=0, 1b) */ -.byte 0xff, 0xff, 0x00, 0x00, 0x00, 0x9e, 0x00, 0x00 - - /* 0x20: data segment (base=0, limit=0x0ffff, type=16bit data read/write, DPL=0, 1b) */ -.byte 0xff, 0xff, 0x00, 0x00, 0x00, 0x92, 0x00, 0x00 - -gdt_desc: -.short (5 * 8) - 1 -.long gdt - -BOOT_ROM_END diff --git a/pc-bios/optionrom/multiboot_dma.S b/pc-bios/optionrom/multiboot_dma.S index d809af3e23fc..c95e35c9cb62 100644 --- a/pc-bios/optionrom/multiboot_dma.S +++ b/pc-bios/optionrom/multiboot_dma.S @@ -1,2 +1,232 @@ -#define USE_FW_CFG_DMA 1 -#include "multiboot.S" +/* + * Multiboot Option ROM + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Copyright Novell Inc, 2009 + * Authors: Alexander Graf <agraf@suse.de> + */ + +#include "optionrom.h" + +#define BOOT_ROM_PRODUCT "multiboot loader" + +#define MULTIBOOT_MAGIC 0x2badb002 + +#define GS_PROT_JUMP 0 +#define GS_GDT_DESC 6 + + +BOOT_ROM_START + +run_multiboot: + + cli + cld + + mov %cs, %eax + shl $0x4, %eax + + /* set up a long jump descriptor that is PC relative */ + + /* move stack memory to %gs */ + mov %ss, %ecx + shl $0x4, %ecx + mov %esp, %ebx + add %ebx, %ecx + sub $0x20, %ecx + sub $0x30, %esp + shr $0x4, %ecx + mov %cx, %gs + + /* now push the indirect jump descriptor there */ + mov (prot_jump), %ebx + add %eax, %ebx + movl %ebx, %gs:GS_PROT_JUMP + mov $8, %bx + movw %bx, %gs:GS_PROT_JUMP + 4 + + /* fix the gdt descriptor to be PC relative */ + movw (gdt_desc), %bx + movw %bx, %gs:GS_GDT_DESC + movl (gdt_desc+2), %ebx + add %eax, %ebx + movl %ebx, %gs:GS_GDT_DESC + 2 + + xor %eax, %eax + mov %eax, %es + + /* Read the bootinfo struct into RAM */ + read_fw_blob_dma(FW_CFG_INITRD) + + /* FS = bootinfo_struct */ + read_fw FW_CFG_INITRD_ADDR + shr $4, %eax + mov %ax, %fs + + /* Account for the EBDA in the multiboot structure's e801 + * map. + */ + int $0x12 + cwtl + movl %eax, %fs:4 + + /* ES = mmap_addr */ + mov %fs:48, %eax + shr $4, %eax + mov %ax, %es + + /* Initialize multiboot mmap structs using int 0x15(e820) */ + xor %ebx, %ebx + /* Start storing mmap data at %es:0 */ + xor %edi, %edi + +mmap_loop: + /* The multiboot entry size has offset -4, so leave some space */ + add $4, %di + /* entry size (mmap struct) & max buffer size (int15) */ + movl $20, %ecx + /* e820 */ + movl $0x0000e820, %eax + /* 'SMAP' magic */ + movl $0x534d4150, %edx + int $0x15 + +mmap_check_entry: + /* Error or last entry already done? */ + jb mmap_done + +mmap_store_entry: + /* store entry size */ + /* old as(1) doesn't like this insn so emit the bytes instead: + movl %ecx, %es:-4(%edi) + */ + .dc.b 0x26,0x67,0x66,0x89,0x4f,0xfc + + /* %edi += entry_size, store as mbs_mmap_length */ + add %ecx, %edi + movw %di, %fs:0x2c + + /* Continuation value 0 means last entry */ + test %ebx, %ebx + jnz mmap_loop + +mmap_done: + /* Calculate upper_mem field: The amount of memory between 1 MB and + the first upper memory hole. Get it from the mmap. */ + xor %di, %di + mov $0x100000, %edx +upper_mem_entry: + cmp %fs:0x2c, %di + je upper_mem_done + add $4, %di + + /* Skip if type != 1 */ + cmpl $1, %es:16(%di) + jne upper_mem_next + + /* Skip if > 4 GB */ + movl %es:4(%di), %eax + test %eax, %eax + jnz upper_mem_next + + /* Check for contiguous extension (base <= %edx < base + length) */ + movl %es:(%di), %eax + cmp %eax, %edx + jb upper_mem_next + addl %es:8(%di), %eax + cmp %eax, %edx + jae upper_mem_next + + /* If so, update %edx, and restart the search (mmap isn't ordered) */ + mov %eax, %edx + xor %di, %di + jmp upper_mem_entry + +upper_mem_next: + addl %es:-4(%di), %edi + jmp upper_mem_entry + +upper_mem_done: + sub $0x100000, %edx + shr $10, %edx + mov %edx, %fs:0x8 + +real_to_prot: + /* Load the GDT before going into protected mode */ +lgdt: + data32 lgdt %gs:GS_GDT_DESC + + /* get us to protected mode now */ + movl $1, %eax + movl %eax, %cr0 + + /* the LJMP sets CS for us and gets us to 32-bit */ +ljmp: + data32 ljmp *%gs:GS_PROT_JUMP + +prot_mode: +.code32 + + /* initialize all other segments */ + movl $0x10, %eax + movl %eax, %ss + movl %eax, %ds + movl %eax, %es + movl %eax, %fs + movl %eax, %gs + + /* Read the kernel and modules into RAM */ + read_fw_blob_dma(FW_CFG_KERNEL) + + /* Jump off to the kernel */ + read_fw FW_CFG_KERNEL_ENTRY + mov %eax, %ecx + + /* EBX contains a pointer to the bootinfo struct */ + read_fw FW_CFG_INITRD_ADDR + movl %eax, %ebx + + /* EAX has to contain the magic */ + movl $MULTIBOOT_MAGIC, %eax +ljmp2: + jmp *%ecx + +/* Variables */ +.align 4, 0 +prot_jump: .long prot_mode + .short 8 + +.align 8, 0 +gdt: + /* 0x00 */ +.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + + /* 0x08: code segment (base=0, limit=0xfffff, type=32bit code exec/read, DPL=0, 4k) */ +.byte 0xff, 0xff, 0x00, 0x00, 0x00, 0x9a, 0xcf, 0x00 + + /* 0x10: data segment (base=0, limit=0xfffff, type=32bit data read/write, DPL=0, 4k) */ +.byte 0xff, 0xff, 0x00, 0x00, 0x00, 0x92, 0xcf, 0x00 + + /* 0x18: code segment (base=0, limit=0x0ffff, type=16bit code exec/read/conf, DPL=0, 1b) */ +.byte 0xff, 0xff, 0x00, 0x00, 0x00, 0x9e, 0x00, 0x00 + + /* 0x20: data segment (base=0, limit=0x0ffff, type=16bit data read/write, DPL=0, 1b) */ +.byte 0xff, 0xff, 0x00, 0x00, 0x00, 0x92, 0x00, 0x00 + +gdt_desc: +.short (5 * 8) - 1 +.long gdt + +BOOT_ROM_END diff --git a/pc-bios/optionrom/optionrom.h b/pc-bios/optionrom/optionrom.h index 7bcdf0eeb240..2e6e2493f83f 100644 --- a/pc-bios/optionrom/optionrom.h +++ b/pc-bios/optionrom/optionrom.h @@ -117,16 +117,12 @@ * * Clobbers: %eax, %edx, %es, %ecx, %edi and adresses %esp-20 to %esp */ -#ifdef USE_FW_CFG_DMA #define read_fw_blob_dma(var) \ read_fw var ## _SIZE; \ mov %eax, %ecx; \ read_fw var ## _ADDR; \ mov %eax, %edi ; \ read_fw_dma var ## _DATA, %ecx, %edi -#else -#define read_fw_blob_dma(var) read_fw_blob(var) -#endif #define read_fw_blob_pre(var) \ read_fw var ## _SIZE; \ -- 2.34.1

From: Philippe Mathieu-Daudé <philmd@linaro.org> The APICCommonState::legacy_instance_id boolean was only set in the pc_compat_2_6[] array, via the 'legacy-instance-id=on' property. We removed all machines using that array, lets remove that property, simplifying apic_common_realize(). Because instance_id is initialized as initial_apic_id, we can not register vmstate_apic_common directly via dc->vmsd. Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> --- hw/intc/apic_common.c | 5 ----- include/hw/i386/apic_internal.h | 1 - 2 files changed, 6 deletions(-) diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c index 4e9e30899457..bf4abc21d7bb 100644 --- a/hw/intc/apic_common.c +++ b/hw/intc/apic_common.c @@ -276,9 +276,6 @@ static void apic_common_realize(DeviceState *dev, Error **errp) info->enable_tpr_reporting(s, true); } - if (s->legacy_instance_id) { - instance_id = VMSTATE_INSTANCE_ID_ANY; - } vmstate_register_with_alias_id(NULL, instance_id, &vmstate_apic_common, s, -1, 0, NULL); @@ -395,8 +392,6 @@ static const Property apic_properties_common[] = { DEFINE_PROP_UINT8("version", APICCommonState, version, 0x14), DEFINE_PROP_BIT("vapic", APICCommonState, vapic_control, VAPIC_ENABLE_BIT, true), - DEFINE_PROP_BOOL("legacy-instance-id", APICCommonState, legacy_instance_id, - false), }; static void apic_common_get_id(Object *obj, Visitor *v, const char *name, diff --git a/include/hw/i386/apic_internal.h b/include/hw/i386/apic_internal.h index 4a62fdceb4ea..0cb06bbc76c9 100644 --- a/include/hw/i386/apic_internal.h +++ b/include/hw/i386/apic_internal.h @@ -187,7 +187,6 @@ struct APICCommonState { uint32_t vapic_control; DeviceState *vapic; hwaddr vapic_paddr; /* note: persistence via kvmvapic */ - bool legacy_instance_id; uint32_t extended_log_dest; }; -- 2.34.1

From: Philippe Mathieu-Daudé <philmd@linaro.org> The VirtIOMMIOProxy::format_transport_address boolean was only set in the hw_compat_2_6[] array, via the 'format_transport_address=off' property. We removed all machines using that array, lets remove that property, simplifying virtio_mmio_bus_get_dev_path(). Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> --- hw/virtio/virtio-mmio.c | 15 --------------- include/hw/virtio/virtio-mmio.h | 1 - 2 files changed, 16 deletions(-) diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c index 0b0412b22f23..742ca3d3e4d3 100644 --- a/hw/virtio/virtio-mmio.c +++ b/hw/virtio/virtio-mmio.c @@ -764,8 +764,6 @@ static void virtio_mmio_pre_plugged(DeviceState *d, Error **errp) /* virtio-mmio device */ static const Property virtio_mmio_properties[] = { - DEFINE_PROP_BOOL("format_transport_address", VirtIOMMIOProxy, - format_transport_address, true), DEFINE_PROP_BOOL("force-legacy", VirtIOMMIOProxy, legacy, true), DEFINE_PROP_BIT("ioeventfd", VirtIOMMIOProxy, flags, VIRTIO_IOMMIO_FLAG_USE_IOEVENTFD_BIT, true), @@ -827,19 +825,6 @@ static char *virtio_mmio_bus_get_dev_path(DeviceState *dev) virtio_mmio_proxy = VIRTIO_MMIO(virtio_mmio_bus->parent); proxy_path = qdev_get_dev_path(DEVICE(virtio_mmio_proxy)); - /* - * If @format_transport_address is false, then we just perform the same as - * virtio_bus_get_dev_path(): we delegate the address formatting for the - * device on the virtio-mmio bus to the bus that the virtio-mmio proxy - * (i.e., the device that implements the virtio-mmio bus) resides on. In - * this case the base address of the virtio-mmio transport will be - * invisible. - */ - if (!virtio_mmio_proxy->format_transport_address) { - return proxy_path; - } - - /* Otherwise, we append the base address of the transport. */ section = memory_region_find(&virtio_mmio_proxy->iomem, 0, 0x200); assert(section.mr); diff --git a/include/hw/virtio/virtio-mmio.h b/include/hw/virtio/virtio-mmio.h index 1eab3c0decef..1644d0981050 100644 --- a/include/hw/virtio/virtio-mmio.h +++ b/include/hw/virtio/virtio-mmio.h @@ -66,7 +66,6 @@ struct VirtIOMMIOProxy { uint32_t guest_page_shift; /* virtio-bus */ VirtioBusState bus; - bool format_transport_address; /* Fields only used for non-legacy (v2) devices */ uint32_t guest_features[2]; VirtIOMMIOQueue vqs[VIRTIO_QUEUE_MAX]; -- 2.34.1

From: Philippe Mathieu-Daudé <philmd@linaro.org> The pc_compat_2_7[] array was only used by the pc-q35-2.7 and pc-i440fx-2.7 machines, which got removed. Remove it. Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> --- hw/i386/pc.c | 10 ---------- include/hw/i386/pc.h | 3 --- 2 files changed, 13 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 4b5b7f24d7de..4dfdd040fb13 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -253,16 +253,6 @@ GlobalProperty pc_compat_2_8[] = { }; const size_t pc_compat_2_8_len = G_N_ELEMENTS(pc_compat_2_8); -GlobalProperty pc_compat_2_7[] = { - { TYPE_X86_CPU, "l3-cache", "off" }, - { TYPE_X86_CPU, "full-cpuid-auto-level", "off" }, - { "Opteron_G3" "-" TYPE_X86_CPU, "family", "15" }, - { "Opteron_G3" "-" TYPE_X86_CPU, "model", "6" }, - { "Opteron_G3" "-" TYPE_X86_CPU, "stepping", "1" }, - { "isa-pcspk", "migrate", "off" }, -}; -const size_t pc_compat_2_7_len = G_N_ELEMENTS(pc_compat_2_7); - /* * @PC_FW_DATA: * Size of the chunk of memory at the top of RAM for the BIOS ACPI tables diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 0f7d656b3f3b..5d698d024258 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -292,9 +292,6 @@ extern const size_t pc_compat_2_9_len; extern GlobalProperty pc_compat_2_8[]; extern const size_t pc_compat_2_8_len; -extern GlobalProperty pc_compat_2_7[]; -extern const size_t pc_compat_2_7_len; - #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \ static void pc_machine_##suffix##_class_init(ObjectClass *oc, \ const void *data) \ -- 2.34.1

From: Philippe Mathieu-Daudé <philmd@linaro.org> The PCSpkState::migrate boolean was only set in the pc_compat_2_7[] array, via the 'migrate=off' property. We removed all machines using that array, lets remove that property, simplifying vmstate_spk[]. Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> --- hw/audio/pcspk.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c index 916c56fa4c0a..0b01544941cb 100644 --- a/hw/audio/pcspk.c +++ b/hw/audio/pcspk.c @@ -57,7 +57,6 @@ struct PCSpkState { unsigned int play_pos; uint8_t data_on; uint8_t dummy_refresh_clock; - bool migrate; }; static const char *s_spk = "pcspk"; @@ -202,18 +201,10 @@ static void pcspk_realizefn(DeviceState *dev, Error **errp) } } -static bool migrate_needed(void *opaque) -{ - PCSpkState *s = opaque; - - return s->migrate; -} - static const VMStateDescription vmstate_spk = { .name = "pcspk", .version_id = 1, .minimum_version_id = 1, - .needed = migrate_needed, .fields = (const VMStateField[]) { VMSTATE_UINT8(data_on, PCSpkState), VMSTATE_UINT8(dummy_refresh_clock, PCSpkState), @@ -224,7 +215,6 @@ static const VMStateDescription vmstate_spk = { static const Property pcspk_properties[] = { DEFINE_AUDIO_PROPERTIES(PCSpkState, audio_be), DEFINE_PROP_UINT32("iobase", PCSpkState, iobase, 0x61), - DEFINE_PROP_BOOL("migrate", PCSpkState, migrate, true), DEFINE_PROP_LINK("pit", PCSpkState, pit, TYPE_PIT_COMMON, PITCommonState *), }; -- 2.34.1

From: Philippe Mathieu-Daudé <philmd@linaro.org> The IntelIOMMUState::buggy_eim boolean was only set in the hw_compat_2_7[] array, via the 'x-buggy-eim=true' property. We removed all machines using that array, lets remove that property, simplifying vtd_decide_config(). Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> --- hw/i386/intel_iommu.c | 5 ++--- include/hw/i386/intel_iommu.h | 1 - 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 224b7b947906..2ed64bc6d968 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -4092,7 +4092,6 @@ static const Property vtd_properties[] = { DEFINE_PROP_UINT32("version", IntelIOMMUState, version, 0), DEFINE_PROP_ON_OFF_AUTO("eim", IntelIOMMUState, intr_eim, ON_OFF_AUTO_AUTO), - DEFINE_PROP_BOOL("x-buggy-eim", IntelIOMMUState, buggy_eim, false), DEFINE_PROP_UINT8("aw-bits", IntelIOMMUState, aw_bits, VTD_HOST_ADDRESS_WIDTH), DEFINE_PROP_BOOL("caching-mode", IntelIOMMUState, caching_mode, FALSE), @@ -5359,11 +5358,11 @@ static bool vtd_decide_config(IntelIOMMUState *s, Error **errp) } if (s->intr_eim == ON_OFF_AUTO_AUTO) { - s->intr_eim = (kvm_irqchip_in_kernel() || s->buggy_eim) + s->intr_eim = kvm_irqchip_in_kernel() && x86_iommu_ir_supported(x86_iommu) ? ON_OFF_AUTO_ON : ON_OFF_AUTO_OFF; } - if (s->intr_eim == ON_OFF_AUTO_ON && !s->buggy_eim) { + if (s->intr_eim == ON_OFF_AUTO_ON) { if (kvm_irqchip_is_split() && !kvm_enable_x2apic()) { error_setg(errp, "eim=on requires support on the KVM side" "(X2APIC_API, first shipped in v4.7)"); diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h index ca7f7bb6618a..34ba13ffa8de 100644 --- a/include/hw/i386/intel_iommu.h +++ b/include/hw/i386/intel_iommu.h @@ -310,7 +310,6 @@ struct IntelIOMMUState { uint32_t intr_size; /* Number of IR table entries */ bool intr_eime; /* Extended interrupt mode enabled */ OnOffAuto intr_eim; /* Toggle for EIM cabability */ - bool buggy_eim; /* Force buggy EIM unless eim=off */ uint8_t aw_bits; /* Host/IOVA address width (in bits) */ bool dma_drain; /* Whether DMA r/w draining enabled */ bool pasid; /* Whether to support PASID */ -- 2.34.1

From: Philippe Mathieu-Daudé <philmd@linaro.org> The VIRTIO_CONSOLE_F_EMERG_WRITE feature bit was only set in the hw_compat_2_7[] array, via the 'emergency-write=off' property. We removed all machines using that array, lets remove that property. All instances have this feature bit set and it can not be disabled. VirtIOSerial::host_features mask is now unused, remove it. Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Zhao Liu <zhao1.liu@intel.com> --- hw/char/virtio-serial-bus.c | 9 +++------ include/hw/virtio/virtio-serial.h | 2 -- 2 files changed, 3 insertions(+), 8 deletions(-) diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c index 5ec5f5313b21..b7c57ea9678c 100644 --- a/hw/char/virtio-serial-bus.c +++ b/hw/char/virtio-serial-bus.c @@ -557,7 +557,7 @@ static uint64_t get_features(VirtIODevice *vdev, uint64_t features, vser = VIRTIO_SERIAL(vdev); - features |= vser->host_features; + features |= BIT_ULL(VIRTIO_CONSOLE_F_EMERG_WRITE); if (vser->bus.max_nr_ports > 1) { virtio_add_feature(&features, VIRTIO_CONSOLE_F_MULTIPORT); } @@ -587,8 +587,7 @@ static void set_config(VirtIODevice *vdev, const uint8_t *config_data) VirtIOSerialPortClass *vsc; uint8_t emerg_wr_lo; - if (!virtio_has_feature(vser->host_features, - VIRTIO_CONSOLE_F_EMERG_WRITE) || !config->emerg_wr) { + if (!config->emerg_wr) { return; } @@ -1040,7 +1039,7 @@ static void virtio_serial_device_realize(DeviceState *dev, Error **errp) return; } - if (!virtio_has_feature(vser->host_features, + if (!virtio_has_feature(vdev->host_features, VIRTIO_CONSOLE_F_EMERG_WRITE)) { config_size = offsetof(struct virtio_console_config, emerg_wr); } @@ -1156,8 +1155,6 @@ static const VMStateDescription vmstate_virtio_console = { static const Property virtio_serial_properties[] = { DEFINE_PROP_UINT32("max_ports", VirtIOSerial, serial.max_virtserial_ports, 31), - DEFINE_PROP_BIT64("emergency-write", VirtIOSerial, host_features, - VIRTIO_CONSOLE_F_EMERG_WRITE, true), }; static void virtio_serial_class_init(ObjectClass *klass, const void *data) diff --git a/include/hw/virtio/virtio-serial.h b/include/hw/virtio/virtio-serial.h index 60641860bf83..da0c91e1a403 100644 --- a/include/hw/virtio/virtio-serial.h +++ b/include/hw/virtio/virtio-serial.h @@ -186,8 +186,6 @@ struct VirtIOSerial { struct VirtIOSerialPostLoad *post_load; virtio_serial_conf serial; - - uint64_t host_features; }; /* Interface to the virtio-serial bus */ -- 2.34.1