diff options
Diffstat (limited to 'qemu/hw/arm/virt-acpi-build.c')
| -rw-r--r-- | qemu/hw/arm/virt-acpi-build.c | 216 |
1 files changed, 137 insertions, 79 deletions
diff --git a/qemu/hw/arm/virt-acpi-build.c b/qemu/hw/arm/virt-acpi-build.c index f36514031..f51fe396c 100644 --- a/qemu/hw/arm/virt-acpi-build.c +++ b/qemu/hw/arm/virt-acpi-build.c @@ -26,6 +26,8 @@ * with this program; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" +#include "qapi/error.h" #include "qemu-common.h" #include "hw/arm/virt-acpi-build.h" #include "qemu/bitmap.h" @@ -43,20 +45,7 @@ #include "hw/pci/pci.h" #define ARM_SPI_BASE 32 - -typedef struct VirtAcpiCpuInfo { - DECLARE_BITMAP(found_cpus, VIRT_ACPI_CPU_ID_LIMIT); -} VirtAcpiCpuInfo; - -static void virt_acpi_get_cpu_info(VirtAcpiCpuInfo *cpuinfo) -{ - CPUState *cpu; - - memset(cpuinfo->found_cpus, 0, sizeof cpuinfo->found_cpus); - CPU_FOREACH(cpu) { - set_bit(cpu->cpu_index, cpuinfo->found_cpus); - } -} +#define ACPI_POWER_BUTTON_DEVICE "PWRB" static void acpi_dsdt_add_cpus(Aml *scope, int smp_cpus) { @@ -71,7 +60,7 @@ static void acpi_dsdt_add_cpus(Aml *scope, int smp_cpus) } static void acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap, - int uart_irq) + uint32_t uart_irq) { Aml *dev = aml_device("COM0"); aml_append(dev, aml_name_decl("_HID", aml_string("ARMH0011"))); @@ -82,7 +71,7 @@ static void acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap, uart_memmap->size, AML_READ_WRITE)); aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, - AML_EXCLUSIVE, uart_irq)); + AML_EXCLUSIVE, &uart_irq, 1)); aml_append(dev, aml_name_decl("_CRS", crs)); /* The _ADR entry is used to link this device to the UART described @@ -93,19 +82,16 @@ static void acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap, aml_append(scope, dev); } -static void acpi_dsdt_add_rtc(Aml *scope, const MemMapEntry *rtc_memmap, - int rtc_irq) +static void acpi_dsdt_add_fw_cfg(Aml *scope, const MemMapEntry *fw_cfg_memmap) { - Aml *dev = aml_device("RTC0"); - aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0013"))); - aml_append(dev, aml_name_decl("_UID", aml_int(0))); + Aml *dev = aml_device("FWCF"); + aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0002"))); + /* device present, functioning, decoding, not shown in UI */ + aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); Aml *crs = aml_resource_template(); - aml_append(crs, aml_memory32_fixed(rtc_memmap->base, - rtc_memmap->size, AML_READ_WRITE)); - aml_append(crs, - aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, - AML_EXCLUSIVE, rtc_irq)); + aml_append(crs, aml_memory32_fixed(fw_cfg_memmap->base, + fw_cfg_memmap->size, AML_READ_WRITE)); aml_append(dev, aml_name_decl("_CRS", crs)); aml_append(scope, dev); } @@ -114,7 +100,7 @@ static void acpi_dsdt_add_flash(Aml *scope, const MemMapEntry *flash_memmap) { Aml *dev, *crs; hwaddr base = flash_memmap->base; - hwaddr size = flash_memmap->size; + hwaddr size = flash_memmap->size / 2; dev = aml_device("FLS0"); aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0015"))); @@ -136,14 +122,14 @@ static void acpi_dsdt_add_flash(Aml *scope, const MemMapEntry *flash_memmap) static void acpi_dsdt_add_virtio(Aml *scope, const MemMapEntry *virtio_mmio_memmap, - int mmio_irq, int num) + uint32_t mmio_irq, int num) { hwaddr base = virtio_mmio_memmap->base; hwaddr size = virtio_mmio_memmap->size; - int irq = mmio_irq; int i; for (i = 0; i < num; i++) { + uint32_t irq = mmio_irq + i; Aml *dev = aml_device("VR%02u", i); aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005"))); aml_append(dev, aml_name_decl("_UID", aml_int(i))); @@ -152,14 +138,15 @@ static void acpi_dsdt_add_virtio(Aml *scope, aml_append(crs, aml_memory32_fixed(base, size, AML_READ_WRITE)); aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, - AML_EXCLUSIVE, irq + i)); + AML_EXCLUSIVE, &irq, 1)); aml_append(dev, aml_name_decl("_CRS", crs)); aml_append(scope, dev); base += size; } } -static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, int irq) +static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, + uint32_t irq, bool use_highmem) { Aml *method, *crs, *ifctx, *UUID, *ifctx1, *elsectx, *buf; int i, bus_no; @@ -179,6 +166,7 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, int irq) aml_append(dev, aml_name_decl("_ADR", aml_int(0))); aml_append(dev, aml_name_decl("_UID", aml_string("PCI0"))); aml_append(dev, aml_name_decl("_STR", aml_unicode("PCIe 0 Device"))); + aml_append(dev, aml_name_decl("_CCA", aml_int(1))); /* Declare the PCI Routing Table. */ Aml *rt_pkg = aml_package(nr_pcie_buses * PCI_NUM_PINS); @@ -197,29 +185,30 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, int irq) /* Create GSI link device */ for (i = 0; i < PCI_NUM_PINS; i++) { + uint32_t irqs = irq + i; Aml *dev_gsi = aml_device("GSI%d", i); aml_append(dev_gsi, aml_name_decl("_HID", aml_string("PNP0C0F"))); aml_append(dev_gsi, aml_name_decl("_UID", aml_int(0))); crs = aml_resource_template(); aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, - AML_EXCLUSIVE, irq + i)); + AML_EXCLUSIVE, &irqs, 1)); aml_append(dev_gsi, aml_name_decl("_PRS", crs)); crs = aml_resource_template(); aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, - AML_EXCLUSIVE, irq + i)); + AML_EXCLUSIVE, &irqs, 1)); aml_append(dev_gsi, aml_name_decl("_CRS", crs)); - method = aml_method("_SRS", 1); + method = aml_method("_SRS", 1, AML_NOTSERIALIZED); aml_append(dev_gsi, method); aml_append(dev, dev_gsi); } - method = aml_method("_CBA", 0); + method = aml_method("_CBA", 0, AML_NOTSERIALIZED); aml_append(method, aml_return(aml_int(base_ecam))); aml_append(dev, method); - method = aml_method("_CRS", 0); + method = aml_method("_CRS", 0, AML_NOTSERIALIZED); Aml *rbuf = aml_resource_template(); aml_append(rbuf, aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, @@ -234,6 +223,17 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, int irq) AML_ENTIRE_RANGE, 0x0000, 0x0000, size_pio - 1, base_pio, size_pio)); + if (use_highmem) { + hwaddr base_mmio_high = memmap[VIRT_PCIE_MMIO_HIGH].base; + hwaddr size_mmio_high = memmap[VIRT_PCIE_MMIO_HIGH].size; + + aml_append(rbuf, + aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, + AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000, + base_mmio_high, base_mmio_high, 0x0000, + size_mmio_high)); + } + aml_append(method, aml_name_decl("RBUF", rbuf)); aml_append(method, aml_return(rbuf)); aml_append(dev, method); @@ -241,7 +241,7 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, int irq) /* Declare an _OSC (OS Control Handoff) method */ aml_append(dev, aml_name_decl("SUPP", aml_int(0))); aml_append(dev, aml_name_decl("CTRL", aml_int(0))); - method = aml_method("_OSC", 4); + method = aml_method("_OSC", 4, AML_NOTSERIALIZED); aml_append(method, aml_create_dword_field(aml_arg(3), aml_int(0), "CDW1")); @@ -259,16 +259,16 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, int irq) aml_create_dword_field(aml_arg(3), aml_int(8), "CDW3")); aml_append(ifctx, aml_store(aml_name("CDW2"), aml_name("SUPP"))); aml_append(ifctx, aml_store(aml_name("CDW3"), aml_name("CTRL"))); - aml_append(ifctx, aml_store(aml_and(aml_name("CTRL"), aml_int(0x1D)), + aml_append(ifctx, aml_store(aml_and(aml_name("CTRL"), aml_int(0x1D), NULL), aml_name("CTRL"))); ifctx1 = aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(0x1)))); - aml_append(ifctx1, aml_store(aml_or(aml_name("CDW1"), aml_int(0x08)), + aml_append(ifctx1, aml_store(aml_or(aml_name("CDW1"), aml_int(0x08), NULL), aml_name("CDW1"))); aml_append(ifctx, ifctx1); ifctx1 = aml_if(aml_lnot(aml_equal(aml_name("CDW3"), aml_name("CTRL")))); - aml_append(ifctx1, aml_store(aml_or(aml_name("CDW1"), aml_int(0x10)), + aml_append(ifctx1, aml_store(aml_or(aml_name("CDW1"), aml_int(0x10), NULL), aml_name("CDW1"))); aml_append(ifctx, ifctx1); @@ -277,13 +277,13 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, int irq) aml_append(method, ifctx); elsectx = aml_else(); - aml_append(elsectx, aml_store(aml_or(aml_name("CDW1"), aml_int(4)), + aml_append(elsectx, aml_store(aml_or(aml_name("CDW1"), aml_int(4), NULL), aml_name("CDW1"))); aml_append(elsectx, aml_return(aml_arg(3))); aml_append(method, elsectx); aml_append(dev, method); - method = aml_method("_DSM", 4); + method = aml_method("_DSM", 4, AML_NOTSERIALIZED); /* PCI Firmware Specification 3.0 * 4.6.1. _DSM for PCI Express Slot Information @@ -310,6 +310,46 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, int irq) aml_append(scope, dev); } +static void acpi_dsdt_add_gpio(Aml *scope, const MemMapEntry *gpio_memmap, + uint32_t gpio_irq) +{ + Aml *dev = aml_device("GPO0"); + aml_append(dev, aml_name_decl("_HID", aml_string("ARMH0061"))); + aml_append(dev, aml_name_decl("_ADR", aml_int(0))); + aml_append(dev, aml_name_decl("_UID", aml_int(0))); + + Aml *crs = aml_resource_template(); + aml_append(crs, aml_memory32_fixed(gpio_memmap->base, gpio_memmap->size, + AML_READ_WRITE)); + aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, + AML_EXCLUSIVE, &gpio_irq, 1)); + aml_append(dev, aml_name_decl("_CRS", crs)); + + Aml *aei = aml_resource_template(); + /* Pin 3 for power button */ + const uint32_t pin_list[1] = {3}; + aml_append(aei, aml_gpio_int(AML_CONSUMER, AML_EDGE, AML_ACTIVE_HIGH, + AML_EXCLUSIVE, AML_PULL_UP, 0, pin_list, 1, + "GPO0", NULL, 0)); + aml_append(dev, aml_name_decl("_AEI", aei)); + + /* _E03 is handle for power button */ + Aml *method = aml_method("_E03", 0, AML_NOTSERIALIZED); + aml_append(method, aml_notify(aml_name(ACPI_POWER_BUTTON_DEVICE), + aml_int(0x80))); + aml_append(dev, method); + aml_append(scope, dev); +} + +static void acpi_dsdt_add_power_button(Aml *scope) +{ + Aml *dev = aml_device(ACPI_POWER_BUTTON_DEVICE); + aml_append(dev, aml_name_decl("_HID", aml_string("PNP0C0C"))); + aml_append(dev, aml_name_decl("_ADR", aml_int(0))); + aml_append(dev, aml_name_decl("_UID", aml_int(0))); + aml_append(scope, dev); +} + /* RSDP */ static GArray * build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt) @@ -334,7 +374,8 @@ build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt) rsdp->checksum = 0; /* Checksum to be filled by Guest linker */ bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, - rsdp, rsdp, sizeof *rsdp, &rsdp->checksum); + rsdp_table, rsdp, sizeof *rsdp, + &rsdp->checksum); return rsdp_table; } @@ -368,7 +409,8 @@ build_spcr(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) spcr->pci_device_id = 0xffff; /* PCI Device ID: not a PCI device */ spcr->pci_vendor_id = 0xffff; /* PCI Vendor ID: not a PCI device */ - build_header(linker, table_data, (void *)spcr, "SPCR", sizeof(*spcr), 2); + build_header(linker, table_data, (void *)spcr, "SPCR", sizeof(*spcr), 2, + NULL, NULL); } static void @@ -387,7 +429,7 @@ build_mcfg(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) mcfg->allocation[0].end_bus_number = (memmap[VIRT_PCIE_ECAM].size / PCIE_MMCFG_SIZE_MIN) - 1; - build_header(linker, table_data, (void *)mcfg, "MCFG", len, 1); + build_header(linker, table_data, (void *)mcfg, "MCFG", len, 1, NULL, NULL); } /* GTDT */ @@ -403,7 +445,7 @@ build_gtdt(GArray *table_data, GArray *linker) gtdt->secure_el1_flags = ACPI_EDGE_SENSITIVE; gtdt->non_secure_el1_interrupt = ARCH_TIMER_NS_EL1_IRQ + 16; - gtdt->non_secure_el1_flags = ACPI_EDGE_SENSITIVE; + gtdt->non_secure_el1_flags = ACPI_EDGE_SENSITIVE | ACPI_GTDT_ALWAYS_ON; gtdt->virtual_timer_interrupt = ARCH_TIMER_VIRT_IRQ + 16; gtdt->virtual_timer_flags = ACPI_EDGE_SENSITIVE; @@ -413,13 +455,12 @@ build_gtdt(GArray *table_data, GArray *linker) build_header(linker, table_data, (void *)(table_data->data + gtdt_start), "GTDT", - table_data->len - gtdt_start, 2); + table_data->len - gtdt_start, 2, NULL, NULL); } /* MADT */ static void -build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info, - VirtAcpiCpuInfo *cpuinfo) +build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) { int madt_start = table_data->len; const MemMapEntry *memmap = guest_info->memmap; @@ -431,37 +472,49 @@ build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info, madt = acpi_data_push(table_data, sizeof *madt); + gicd = acpi_data_push(table_data, sizeof *gicd); + gicd->type = ACPI_APIC_GENERIC_DISTRIBUTOR; + gicd->length = sizeof(*gicd); + gicd->base_address = memmap[VIRT_GIC_DIST].base; + for (i = 0; i < guest_info->smp_cpus; i++) { AcpiMadtGenericInterrupt *gicc = acpi_data_push(table_data, sizeof *gicc); + ARMCPU *armcpu = ARM_CPU(qemu_get_cpu(i)); + gicc->type = ACPI_APIC_GENERIC_INTERRUPT; gicc->length = sizeof(*gicc); - gicc->base_address = memmap[VIRT_GIC_CPU].base; + if (guest_info->gic_version == 2) { + gicc->base_address = memmap[VIRT_GIC_CPU].base; + } gicc->cpu_interface_number = i; - gicc->arm_mpidr = i; + gicc->arm_mpidr = armcpu->mp_affinity; gicc->uid = i; - if (test_bit(i, cpuinfo->found_cpus)) { - gicc->flags = cpu_to_le32(ACPI_GICC_ENABLED); - } + gicc->flags = cpu_to_le32(ACPI_GICC_ENABLED); } - gicd = acpi_data_push(table_data, sizeof *gicd); - gicd->type = ACPI_APIC_GENERIC_DISTRIBUTOR; - gicd->length = sizeof(*gicd); - gicd->base_address = memmap[VIRT_GIC_DIST].base; - - gic_msi = acpi_data_push(table_data, sizeof *gic_msi); - gic_msi->type = ACPI_APIC_GENERIC_MSI_FRAME; - gic_msi->length = sizeof(*gic_msi); - gic_msi->gic_msi_frame_id = 0; - gic_msi->base_address = cpu_to_le64(memmap[VIRT_GIC_V2M].base); - gic_msi->flags = cpu_to_le32(1); - gic_msi->spi_count = cpu_to_le16(NUM_GICV2M_SPIS); - gic_msi->spi_base = cpu_to_le16(irqmap[VIRT_GIC_V2M] + ARM_SPI_BASE); + if (guest_info->gic_version == 3) { + AcpiMadtGenericRedistributor *gicr = acpi_data_push(table_data, + sizeof *gicr); + + gicr->type = ACPI_APIC_GENERIC_REDISTRIBUTOR; + gicr->length = sizeof(*gicr); + gicr->base_address = cpu_to_le64(memmap[VIRT_GIC_REDIST].base); + gicr->range_length = cpu_to_le32(memmap[VIRT_GIC_REDIST].size); + } else { + gic_msi = acpi_data_push(table_data, sizeof *gic_msi); + gic_msi->type = ACPI_APIC_GENERIC_MSI_FRAME; + gic_msi->length = sizeof(*gic_msi); + gic_msi->gic_msi_frame_id = 0; + gic_msi->base_address = cpu_to_le64(memmap[VIRT_GIC_V2M].base); + gic_msi->flags = cpu_to_le32(1); + gic_msi->spi_count = cpu_to_le16(NUM_GICV2M_SPIS); + gic_msi->spi_base = cpu_to_le16(irqmap[VIRT_GIC_V2M] + ARM_SPI_BASE); + } build_header(linker, table_data, (void *)(table_data->data + madt_start), "APIC", - table_data->len - madt_start, 3); + table_data->len - madt_start, 3, NULL, NULL); } /* FADT */ @@ -486,7 +539,7 @@ build_fadt(GArray *table_data, GArray *linker, unsigned dsdt) sizeof fadt->dsdt); build_header(linker, table_data, - (void *)fadt, "FACP", sizeof(*fadt), 5); + (void *)fadt, "FACP", sizeof(*fadt), 5, NULL, NULL); } /* DSDT */ @@ -501,16 +554,24 @@ build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) /* Reserve space for header */ acpi_data_push(dsdt->buf, sizeof(AcpiTableHeader)); + /* When booting the VM with UEFI, UEFI takes ownership of the RTC hardware. + * While UEFI can use libfdt to disable the RTC device node in the DTB that + * it passes to the OS, it cannot modify AML. Therefore, we won't generate + * the RTC ACPI device at all when using UEFI. + */ scope = aml_scope("\\_SB"); acpi_dsdt_add_cpus(scope, guest_info->smp_cpus); acpi_dsdt_add_uart(scope, &memmap[VIRT_UART], (irqmap[VIRT_UART] + ARM_SPI_BASE)); - acpi_dsdt_add_rtc(scope, &memmap[VIRT_RTC], - (irqmap[VIRT_RTC] + ARM_SPI_BASE)); acpi_dsdt_add_flash(scope, &memmap[VIRT_FLASH]); + acpi_dsdt_add_fw_cfg(scope, &memmap[VIRT_FW_CFG]); acpi_dsdt_add_virtio(scope, &memmap[VIRT_MMIO], (irqmap[VIRT_MMIO] + ARM_SPI_BASE), NUM_VIRTIO_TRANSPORTS); - acpi_dsdt_add_pci(scope, memmap, (irqmap[VIRT_PCIE] + ARM_SPI_BASE)); + acpi_dsdt_add_pci(scope, memmap, (irqmap[VIRT_PCIE] + ARM_SPI_BASE), + guest_info->use_highmem); + acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO], + (irqmap[VIRT_GPIO] + ARM_SPI_BASE)); + acpi_dsdt_add_power_button(scope); aml_append(dsdt, scope); @@ -518,7 +579,7 @@ build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len); build_header(linker, table_data, (void *)(table_data->data + table_data->len - dsdt->buf->len), - "DSDT", dsdt->buf->len, 2); + "DSDT", dsdt->buf->len, 2, NULL, NULL); free_aml_allocator(); } @@ -538,11 +599,8 @@ void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables) { GArray *table_offsets; unsigned dsdt, rsdt; - VirtAcpiCpuInfo cpuinfo; GArray *tables_blob = tables->table_data; - virt_acpi_get_cpu_info(&cpuinfo); - table_offsets = g_array_new(false, true /* clear */, sizeof(uint32_t)); @@ -569,7 +627,7 @@ void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables) build_fadt(tables_blob, tables->linker, dsdt); acpi_add_table(table_offsets, tables_blob); - build_madt(tables_blob, tables->linker, guest_info, &cpuinfo); + build_madt(tables_blob, tables->linker, guest_info); acpi_add_table(table_offsets, tables_blob); build_gtdt(tables_blob, tables->linker); @@ -582,7 +640,7 @@ void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables) /* RSDT is pointed to by RSDP */ rsdt = tables_blob->len; - build_rsdt(tables_blob, tables->linker, table_offsets); + build_rsdt(tables_blob, tables->linker, table_offsets, NULL, NULL); /* RSDP is in FSEG memory, so allocate it separately */ build_rsdp(tables->rsdp, tables->linker, rsdt); @@ -603,7 +661,7 @@ static void acpi_ram_update(MemoryRegion *mr, GArray *data) memory_region_set_dirty(mr, 0, size); } -static void virt_acpi_build_update(void *build_opaque, uint32_t offset) +static void virt_acpi_build_update(void *build_opaque) { AcpiBuildState *build_state = build_opaque; AcpiBuildTables tables; |