diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/acpi/aml-build.c | 53 | ||||
| -rw-r--r-- | hw/arm/Kconfig | 3 | ||||
| -rw-r--r-- | hw/arm/stm32l4x5_soc.c | 71 | ||||
| -rw-r--r-- | hw/arm/virt-acpi-build.c | 68 | ||||
| -rw-r--r-- | hw/gpio/Kconfig | 3 | ||||
| -rw-r--r-- | hw/gpio/meson.build | 1 | ||||
| -rw-r--r-- | hw/gpio/stm32l4x5_gpio.c | 477 | ||||
| -rw-r--r-- | hw/gpio/trace-events | 6 | ||||
| -rw-r--r-- | hw/hyperv/hv-balloon.c | 18 | ||||
| -rw-r--r-- | hw/hyperv/hyperv.c | 12 | ||||
| -rw-r--r-- | hw/hyperv/vmbus.c | 6 | ||||
| -rw-r--r-- | hw/intc/riscv_aplic.c | 37 | ||||
| -rw-r--r-- | hw/misc/stm32l4x5_syscfg.c | 1 | ||||
| -rw-r--r-- | hw/riscv/boot.c | 12 | ||||
| -rw-r--r-- | hw/riscv/virt-acpi-build.c | 103 | ||||
| -rw-r--r-- | hw/riscv/virt.c | 97 | ||||
| -rw-r--r-- | hw/rtc/sun4v-rtc.c | 2 |
17 files changed, 861 insertions, 109 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index af66bde0f5..6d4517cfbe 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1994,6 +1994,59 @@ static void build_processor_hierarchy_node(GArray *tbl, uint32_t flags, } } +void build_spcr(GArray *table_data, BIOSLinker *linker, + const AcpiSpcrData *f, const uint8_t rev, + const char *oem_id, const char *oem_table_id) +{ + AcpiTable table = { .sig = "SPCR", .rev = rev, .oem_id = oem_id, + .oem_table_id = oem_table_id }; + + acpi_table_begin(&table, table_data); + /* Interface type */ + build_append_int_noprefix(table_data, f->interface_type, 1); + /* Reserved */ + build_append_int_noprefix(table_data, 0, 3); + /* Base Address */ + build_append_gas(table_data, f->base_addr.id, f->base_addr.width, + f->base_addr.offset, f->base_addr.size, + f->base_addr.addr); + /* Interrupt type */ + build_append_int_noprefix(table_data, f->interrupt_type, 1); + /* IRQ */ + build_append_int_noprefix(table_data, f->pc_interrupt, 1); + /* Global System Interrupt */ + build_append_int_noprefix(table_data, f->interrupt, 4); + /* Baud Rate */ + build_append_int_noprefix(table_data, f->baud_rate, 1); + /* Parity */ + build_append_int_noprefix(table_data, f->parity, 1); + /* Stop Bits */ + build_append_int_noprefix(table_data, f->stop_bits, 1); + /* Flow Control */ + build_append_int_noprefix(table_data, f->flow_control, 1); + /* Language */ + build_append_int_noprefix(table_data, f->language, 1); + /* Terminal Type */ + build_append_int_noprefix(table_data, f->terminal_type, 1); + /* PCI Device ID */ + build_append_int_noprefix(table_data, f->pci_device_id, 2); + /* PCI Vendor ID */ + build_append_int_noprefix(table_data, f->pci_vendor_id, 2); + /* PCI Bus Number */ + build_append_int_noprefix(table_data, f->pci_bus, 1); + /* PCI Device Number */ + build_append_int_noprefix(table_data, f->pci_device, 1); + /* PCI Function Number */ + build_append_int_noprefix(table_data, f->pci_function, 1); + /* PCI Flags */ + build_append_int_noprefix(table_data, f->pci_flags, 4); + /* PCI Segment */ + build_append_int_noprefix(table_data, f->pci_segment, 1); + /* Reserved */ + build_append_int_noprefix(table_data, 0, 4); + + acpi_table_end(linker, &table); +} /* * ACPI spec, Revision 6.3 * 5.2.29 Processor Properties Topology Table (PPTT) diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index d58d820788..893a7bff66 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -473,9 +473,10 @@ config STM32L4X5_SOC bool select ARM_V7M select OR_IRQ - select STM32L4X5_SYSCFG select STM32L4X5_EXTI + select STM32L4X5_SYSCFG select STM32L4X5_RCC + select STM32L4X5_GPIO config XLNX_ZYNQMP_ARM bool diff --git a/hw/arm/stm32l4x5_soc.c b/hw/arm/stm32l4x5_soc.c index bf9926057b..40e294f838 100644 --- a/hw/arm/stm32l4x5_soc.c +++ b/hw/arm/stm32l4x5_soc.c @@ -28,6 +28,7 @@ #include "sysemu/sysemu.h" #include "hw/or-irq.h" #include "hw/arm/stm32l4x5_soc.h" +#include "hw/gpio/stm32l4x5_gpio.h" #include "hw/qdev-clock.h" #include "hw/misc/unimp.h" @@ -99,6 +100,22 @@ static const int exti_or_gate1_lines_in[EXTI_OR_GATE1_NUM_LINES_IN] = { 16, 35, 36, 37, 38, }; +static const struct { + uint32_t addr; + uint32_t moder_reset; + uint32_t ospeedr_reset; + uint32_t pupdr_reset; +} stm32l4x5_gpio_cfg[NUM_GPIOS] = { + { 0x48000000, 0xABFFFFFF, 0x0C000000, 0x64000000 }, + { 0x48000400, 0xFFFFFEBF, 0x00000000, 0x00000100 }, + { 0x48000800, 0xFFFFFFFF, 0x00000000, 0x00000000 }, + { 0x48000C00, 0xFFFFFFFF, 0x00000000, 0x00000000 }, + { 0x48001000, 0xFFFFFFFF, 0x00000000, 0x00000000 }, + { 0x48001400, 0xFFFFFFFF, 0x00000000, 0x00000000 }, + { 0x48001800, 0xFFFFFFFF, 0x00000000, 0x00000000 }, + { 0x48001C00, 0x0000000F, 0x00000000, 0x00000000 }, +}; + static void stm32l4x5_soc_initfn(Object *obj) { Stm32l4x5SocState *s = STM32L4X5_SOC(obj); @@ -110,6 +127,11 @@ static void stm32l4x5_soc_initfn(Object *obj) } object_initialize_child(obj, "syscfg", &s->syscfg, TYPE_STM32L4X5_SYSCFG); object_initialize_child(obj, "rcc", &s->rcc, TYPE_STM32L4X5_RCC); + + for (unsigned i = 0; i < NUM_GPIOS; i++) { + g_autofree char *name = g_strdup_printf("gpio%c", 'a' + i); + object_initialize_child(obj, name, &s->gpio[i], TYPE_STM32L4X5_GPIO); + } } static void stm32l4x5_soc_realize(DeviceState *dev_soc, Error **errp) @@ -118,8 +140,9 @@ static void stm32l4x5_soc_realize(DeviceState *dev_soc, Error **errp) Stm32l4x5SocState *s = STM32L4X5_SOC(dev_soc); const Stm32l4x5SocClass *sc = STM32L4X5_SOC_GET_CLASS(dev_soc); MemoryRegion *system_memory = get_system_memory(); - DeviceState *armv7m; + DeviceState *armv7m, *dev; SysBusDevice *busdev; + uint32_t pin_index; if (!memory_region_init_rom(&s->flash, OBJECT(dev_soc), "flash", sc->flash_size, errp)) { @@ -160,17 +183,43 @@ static void stm32l4x5_soc_realize(DeviceState *dev_soc, Error **errp) return; } + /* GPIOs */ + for (unsigned i = 0; i < NUM_GPIOS; i++) { + g_autofree char *name = g_strdup_printf("%c", 'A' + i); + dev = DEVICE(&s->gpio[i]); + qdev_prop_set_string(dev, "name", name); + qdev_prop_set_uint32(dev, "mode-reset", + stm32l4x5_gpio_cfg[i].moder_reset); + qdev_prop_set_uint32(dev, "ospeed-reset", + stm32l4x5_gpio_cfg[i].ospeedr_reset); + qdev_prop_set_uint32(dev, "pupd-reset", + stm32l4x5_gpio_cfg[i].pupdr_reset); + busdev = SYS_BUS_DEVICE(&s->gpio[i]); + g_free(name); + name = g_strdup_printf("gpio%c-out", 'a' + i); + qdev_connect_clock_in(DEVICE(&s->gpio[i]), "clk", + qdev_get_clock_out(DEVICE(&(s->rcc)), name)); + if (!sysbus_realize(busdev, errp)) { + return; + } + sysbus_mmio_map(busdev, 0, stm32l4x5_gpio_cfg[i].addr); + } + /* System configuration controller */ busdev = SYS_BUS_DEVICE(&s->syscfg); if (!sysbus_realize(busdev, errp)) { return; } sysbus_mmio_map(busdev, 0, SYSCFG_ADDR); - /* - * TODO: when the GPIO device is implemented, connect it - * to SYCFG using `qdev_connect_gpio_out`, NUM_GPIOS and - * GPIO_NUM_PINS. - */ + + for (unsigned i = 0; i < NUM_GPIOS; i++) { + for (unsigned j = 0; j < GPIO_NUM_PINS; j++) { + pin_index = GPIO_NUM_PINS * i + j; + qdev_connect_gpio_out(DEVICE(&s->gpio[i]), j, + qdev_get_gpio_in(DEVICE(&s->syscfg), + pin_index)); + } + } /* EXTI device */ busdev = SYS_BUS_DEVICE(&s->exti); @@ -217,7 +266,7 @@ static void stm32l4x5_soc_realize(DeviceState *dev_soc, Error **errp) } } - for (unsigned i = 0; i < 16; i++) { + for (unsigned i = 0; i < GPIO_NUM_PINS; i++) { qdev_connect_gpio_out(DEVICE(&s->syscfg), i, qdev_get_gpio_in(DEVICE(&s->exti), i)); } @@ -302,14 +351,6 @@ static void stm32l4x5_soc_realize(DeviceState *dev_soc, Error **errp) /* RESERVED: 0x40024400, 0x7FDBC00 */ /* AHB2 BUS */ - create_unimplemented_device("GPIOA", 0x48000000, 0x400); - create_unimplemented_device("GPIOB", 0x48000400, 0x400); - create_unimplemented_device("GPIOC", 0x48000800, 0x400); - create_unimplemented_device("GPIOD", 0x48000C00, 0x400); - create_unimplemented_device("GPIOE", 0x48001000, 0x400); - create_unimplemented_device("GPIOF", 0x48001400, 0x400); - create_unimplemented_device("GPIOG", 0x48001800, 0x400); - create_unimplemented_device("GPIOH", 0x48001C00, 0x400); /* RESERVED: 0x48002000, 0x7FDBC00 */ create_unimplemented_device("OTG_FS", 0x50000000, 0x40000); create_unimplemented_device("ADC", 0x50040000, 0x400); diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 84141228d5..6a1bde61ce 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -431,48 +431,34 @@ build_iort(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) * Rev: 1.07 */ static void -build_spcr(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) +spcr_setup(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) { - AcpiTable table = { .sig = "SPCR", .rev = 2, .oem_id = vms->oem_id, - .oem_table_id = vms->oem_table_id }; - - acpi_table_begin(&table, table_data); - - /* Interface Type */ - build_append_int_noprefix(table_data, 3, 1); /* ARM PL011 UART */ - build_append_int_noprefix(table_data, 0, 3); /* Reserved */ - /* Base Address */ - build_append_gas(table_data, AML_AS_SYSTEM_MEMORY, 32, 0, 3, - vms->memmap[VIRT_UART].base); - /* Interrupt Type */ - build_append_int_noprefix(table_data, - (1 << 3) /* Bit[3] ARMH GIC interrupt */, 1); - build_append_int_noprefix(table_data, 0, 1); /* IRQ */ - /* Global System Interrupt */ - build_append_int_noprefix(table_data, - vms->irqmap[VIRT_UART] + ARM_SPI_BASE, 4); - build_append_int_noprefix(table_data, 3 /* 9600 */, 1); /* Baud Rate */ - build_append_int_noprefix(table_data, 0 /* No Parity */, 1); /* Parity */ - /* Stop Bits */ - build_append_int_noprefix(table_data, 1 /* 1 Stop bit */, 1); - /* Flow Control */ - build_append_int_noprefix(table_data, - (1 << 1) /* RTS/CTS hardware flow control */, 1); - /* Terminal Type */ - build_append_int_noprefix(table_data, 0 /* VT100 */, 1); - build_append_int_noprefix(table_data, 0, 1); /* Language */ - /* PCI Device ID */ - build_append_int_noprefix(table_data, 0xffff /* not a PCI device*/, 2); - /* PCI Vendor ID */ - build_append_int_noprefix(table_data, 0xffff /* not a PCI device*/, 2); - build_append_int_noprefix(table_data, 0, 1); /* PCI Bus Number */ - build_append_int_noprefix(table_data, 0, 1); /* PCI Device Number */ - build_append_int_noprefix(table_data, 0, 1); /* PCI Function Number */ - build_append_int_noprefix(table_data, 0, 4); /* PCI Flags */ - build_append_int_noprefix(table_data, 0, 1); /* PCI Segment */ - build_append_int_noprefix(table_data, 0, 4); /* Reserved */ + AcpiSpcrData serial = { + .interface_type = 3, /* ARM PL011 UART */ + .base_addr.id = AML_AS_SYSTEM_MEMORY, + .base_addr.width = 32, + .base_addr.offset = 0, + .base_addr.size = 3, + .base_addr.addr = vms->memmap[VIRT_UART].base, + .interrupt_type = (1 << 3),/* Bit[3] ARMH GIC interrupt*/ + .pc_interrupt = 0, /* IRQ */ + .interrupt = (vms->irqmap[VIRT_UART] + ARM_SPI_BASE), + .baud_rate = 3, /* 9600 */ + .parity = 0, /* No Parity */ + .stop_bits = 1, /* 1 Stop bit */ + .flow_control = 1 << 1, /* RTS/CTS hardware flow control */ + .terminal_type = 0, /* VT100 */ + .language = 0, /* Language */ + .pci_device_id = 0xffff, /* not a PCI device*/ + .pci_vendor_id = 0xffff, /* not a PCI device*/ + .pci_bus = 0, + .pci_device = 0, + .pci_function = 0, + .pci_flags = 0, + .pci_segment = 0, + }; - acpi_table_end(linker, &table); + build_spcr(table_data, linker, &serial, 2, vms->oem_id, vms->oem_table_id); } /* @@ -938,7 +924,7 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables) } acpi_add_table(table_offsets, tables_blob); - build_spcr(tables_blob, tables->linker, vms); + spcr_setup(tables_blob, tables->linker, vms); acpi_add_table(table_offsets, tables_blob); build_dbg2(tables_blob, tables->linker, vms); diff --git a/hw/gpio/Kconfig b/hw/gpio/Kconfig index d2cf3accc8..712940b8e0 100644 --- a/hw/gpio/Kconfig +++ b/hw/gpio/Kconfig @@ -16,3 +16,6 @@ config GPIO_PWR config SIFIVE_GPIO bool + +config STM32L4X5_GPIO + bool diff --git a/hw/gpio/meson.build b/hw/gpio/meson.build index 8a8d03d885..3454b503ae 100644 --- a/hw/gpio/meson.build +++ b/hw/gpio/meson.build @@ -13,5 +13,6 @@ system_ss.add(when: 'CONFIG_RASPI', if_true: files( 'bcm2835_gpio.c', 'bcm2838_gpio.c' )) +system_ss.add(when: 'CONFIG_STM32L4X5_SOC', if_true: files('stm32l4x5_gpio.c')) system_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files('aspeed_gpio.c')) system_ss.add(when: 'CONFIG_SIFIVE_GPIO', if_true: files('sifive_gpio.c')) diff --git a/hw/gpio/stm32l4x5_gpio.c b/hw/gpio/stm32l4x5_gpio.c new file mode 100644 index 0000000000..63b8763e9d --- /dev/null +++ b/hw/gpio/stm32l4x5_gpio.c @@ -0,0 +1,477 @@ +/* + * STM32L4x5 GPIO (General Purpose Input/Ouput) + * + * Copyright (c) 2024 Arnaud Minier <arnaud.minier@telecom-paris.fr> + * Copyright (c) 2024 Inès Varhol <ines.varhol@telecom-paris.fr> + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * 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 reference used is the STMicroElectronics RM0351 Reference manual + * for STM32L4x5 and STM32L4x6 advanced Arm ® -based 32-bit MCUs. + * https://www.st.com/en/microcontrollers-microprocessors/stm32l4x5/documentation.html + */ + +#include "qemu/osdep.h" +#include "qemu/log.h" +#include "hw/gpio/stm32l4x5_gpio.h" +#include "hw/irq.h" +#include "hw/qdev-clock.h" +#include "hw/qdev-properties.h" +#include "qapi/visitor.h" +#include "qapi/error.h" +#include "migration/vmstate.h" +#include "trace.h" + +#define GPIO_MODER 0x00 +#define GPIO_OTYPER 0x04 +#define GPIO_OSPEEDR 0x08 +#define GPIO_PUPDR 0x0C +#define GPIO_IDR 0x10 +#define GPIO_ODR 0x14 +#define GPIO_BSRR 0x18 +#define GPIO_LCKR 0x1C +#define GPIO_AFRL 0x20 +#define GPIO_AFRH 0x24 +#define GPIO_BRR 0x28 +#define GPIO_ASCR 0x2C + +/* 0b11111111_11111111_00000000_00000000 */ +#define RESERVED_BITS_MASK 0xFFFF0000 + +static void update_gpio_idr(Stm32l4x5GpioState *s); + +static bool is_pull_up(Stm32l4x5GpioState *s, unsigned pin) +{ + return extract32(s->pupdr, 2 * pin, 2) == 1; +} + +static bool is_pull_down(Stm32l4x5GpioState *s, unsigned pin) +{ + return extract32(s->pupdr, 2 * pin, 2) == 2; +} + +static bool is_output(Stm32l4x5GpioState *s, unsigned pin) +{ + return extract32(s->moder, 2 * pin, 2) == 1; +} + +static bool is_open_drain(Stm32l4x5GpioState *s, unsigned pin) +{ + return extract32(s->otyper, pin, 1) == 1; +} + +static bool is_push_pull(Stm32l4x5GpioState *s, unsigned pin) +{ + return extract32(s->otyper, pin, 1) == 0; +} + +static void stm32l4x5_gpio_reset_hold(Object *obj) +{ + Stm32l4x5GpioState *s = STM32L4X5_GPIO(obj); + + s->moder = s->moder_reset; + s->otyper = 0x00000000; + s->ospeedr = s->ospeedr_reset; + s->pupdr = s->pupdr_reset; + s->idr = 0x00000000; + s->odr = 0x00000000; + s->lckr = 0x00000000; + s->afrl = 0x00000000; + s->afrh = 0x00000000; + s->ascr = 0x00000000; + + s->disconnected_pins = 0xFFFF; + s->pins_connected_high = 0x0000; + update_gpio_idr(s); +} + +static void stm32l4x5_gpio_set(void *opaque, int line, int level) +{ + Stm32l4x5GpioState *s = opaque; + /* + * The pin isn't set if line is configured in output mode + * except if level is 0 and the output is open-drain. + * This way there will be no short-circuit prone situations. + */ + if (is_output(s, line) && !(is_open_drain(s, line) && (level == 0))) { + qemu_log_mask(LOG_GUEST_ERROR, "Line %d can't be driven externally\n", + line); + return; + } + + s->disconnected_pins &= ~(1 << line); + if (level) { + s->pins_connected_high |= (1 << line); + } else { + s->pins_connected_high &= ~(1 << line); + } + trace_stm32l4x5_gpio_pins(s->name, s->disconnected_pins, + s->pins_connected_high); + update_gpio_idr(s); +} + + +static void update_gpio_idr(Stm32l4x5GpioState *s) +{ + uint32_t new_idr_mask = 0; + uint32_t new_idr = s->odr; + uint32_t old_idr = s->idr; + int new_pin_state, old_pin_state; + + for (int i = 0; i < GPIO_NUM_PINS; i++) { + if (is_output(s, i)) { + if (is_push_pull(s, i)) { + new_idr_mask |= (1 << i); + } else if (!(s->odr & (1 << i))) { + /* open-drain ODR 0 */ + new_idr_mask |= (1 << i); + /* open-drain ODR 1 */ + } else if (!(s->disconnected_pins & (1 << i)) && + !(s->pins_connected_high & (1 << i))) { + /* open-drain ODR 1 with pin connected low */ + new_idr_mask |= (1 << i); + new_idr &= ~(1 << i); + /* open-drain ODR 1 with unactive pin */ + } else if (is_pull_up(s, i)) { + new_idr_mask |= (1 << i); + } else if (is_pull_down(s, i)) { + new_idr_mask |= (1 << i); + new_idr &= ~(1 << i); + } + /* + * The only case left is for open-drain ODR 1 + * with unactive pin without pull-up or pull-down : + * the value is floating. + */ + /* input or analog mode with connected pin */ + } else if (!(s->disconnected_pins & (1 << i))) { + if (s->pins_connected_high & (1 << i)) { + /* pin high */ + new_idr_mask |= (1 << i); + new_idr |= (1 << i); + } else { + /* pin low */ + new_idr_mask |= (1 << i); + new_idr &= ~(1 << i); + } + /* input or analog mode with disconnected pin */ + } else { + if (is_pull_up(s, i)) { + /* pull-up */ + new_idr_mask |= (1 << i); + new_idr |= (1 << i); + } else if (is_pull_down(s, i)) { + /* pull-down */ + new_idr_mask |= (1 << i); + new_idr &= ~(1 << i); + } + /* + * The only case left is for a disconnected pin + * without pull-up or pull-down : + * the value is floating. + */ + } + } + + s->idr = (old_idr & ~new_idr_mask) | (new_idr & new_idr_mask); + trace_stm32l4x5_gpio_update_idr(s->name, old_idr, s->idr); + + for (int i = 0; i < GPIO_NUM_PINS; i++) { + if (new_idr_mask & (1 << i)) { + new_pin_state = (new_idr & (1 << i)) > 0; + old_pin_state = (old_idr & (1 << i)) > 0; + if (new_pin_state > old_pin_state) { + qemu_irq_raise(s->pin[i]); + } else if (new_pin_state < old_pin_state) { + qemu_irq_lower(s->pin[i]); + } + } + } +} + +/* + * Return mask of pins that are both configured in output + * mode and externally driven (except pins in open-drain + * mode externally set to 0). + */ +static uint32_t get_gpio_pinmask_to_disconnect(Stm32l4x5GpioState *s) +{ + uint32_t pins_to_disconnect = 0; + for (int i = 0; i < GPIO_NUM_PINS; i++) { + /* for each connected pin in output mode */ + if (!(s->disconnected_pins & (1 << i)) && is_output(s, i)) { + /* if either push-pull or high level */ + if (is_push_pull(s, i) || s->pins_connected_high & (1 << i)) { + pins_to_disconnect |= (1 << i); + qemu_log_mask(LOG_GUEST_ERROR, + "Line %d can't be driven externally\n", + i); + } + } + } + return pins_to_disconnect; +} + +/* + * Set field `disconnected_pins` and call `update_gpio_idr()` + */ +static void disconnect_gpio_pins(Stm32l4x5GpioState *s, uint16_t lines) +{ + s->disconnected_pins |= lines; + trace_stm32l4x5_gpio_pins(s->name, s->disconnected_pins, + s->pins_connected_high); + update_gpio_idr(s); +} + +static void disconnected_pins_set(Object *obj, Visitor *v, + const char *name, void *opaque, Error **errp) +{ + Stm32l4x5GpioState *s = STM32L4X5_GPIO(obj); + uint16_t value; + if (!visit_type_uint16(v, name, &value, errp)) { + return; + } + disconnect_gpio_pins(s, value); +} + +static void disconnected_pins_get(Object *obj, Visitor *v, + const char *name, void *opaque, Error **errp) +{ + visit_type_uint16(v, name, (uint16_t *)opaque, errp); +} + +static void clock_freq_get(Object *obj, Visitor *v, + const char *name, void *opaque, Error **errp) +{ + Stm32l4x5GpioState *s = STM32L4X5_GPIO(obj); + uint32_t clock_freq_hz = clock_get_hz(s->clk); + visit_type_uint32(v, name, &clock_freq_hz, errp); +} + +static void stm32l4x5_gpio_write(void *opaque, hwaddr addr, + uint64_t val64, unsigned int size) +{ + Stm32l4x5GpioState *s = opaque; + + uint32_t value = val64; + trace_stm32l4x5_gpio_write(s->name, addr, val64); + + switch (addr) { + case GPIO_MODER: + s->moder = value; + disconnect_gpio_pins(s, get_gpio_pinmask_to_disconnect(s)); + qemu_log_mask(LOG_UNIMP, + "%s: Analog and AF modes aren't supported\n\ + Analog and AF mode behave like input mode\n", + __func__); + return; + case GPIO_OTYPER: + s->otyper = value & ~RESERVED_BITS_MASK; + disconnect_gpio_pins(s, get_gpio_pinmask_to_disconnect(s)); + return; + case GPIO_OSPEEDR: + qemu_log_mask(LOG_UNIMP, + "%s: Changing I/O output speed isn't supported\n\ + I/O speed is already maximal\n", + __func__); + s->ospeedr = value; + return; + case GPIO_PUPDR: + s->pupdr = value; + update_gpio_idr(s); + return; + case GPIO_IDR: + qemu_log_mask(LOG_UNIMP, + "%s: GPIO->IDR is read-only\n", + __func__); + return; + case GPIO_ODR: + s->odr = value & ~RESERVED_BITS_MASK; + update_gpio_idr(s); + return; + case GPIO_BSRR: { + uint32_t bits_to_reset = (value & RESERVED_BITS_MASK) >> GPIO_NUM_PINS; + uint32_t bits_to_set = value & ~RESERVED_BITS_MASK; + /* If both BSx and BRx are set, BSx has priority.*/ + s->odr &= ~bits_to_reset; + s->odr |= bits_to_set; + update_gpio_idr(s); + return; + } + case GPIO_LCKR: + qemu_log_mask(LOG_UNIMP, + "%s: Locking port bits configuration isn't supported\n", + __func__); + s->lckr = value & ~RESERVED_BITS_MASK; + return; + case GPIO_AFRL: + qemu_log_mask(LOG_UNIMP, + "%s: Alternate functions aren't supported\n", + __func__); + s->afrl = value; + return; + case GPIO_AFRH: + qemu_log_mask(LOG_UNIMP, + "%s: Alternate functions aren't supported\n", + __func__); + s->afrh = value; + return; + case GPIO_BRR: { + uint32_t bits_to_reset = value & ~RESERVED_BITS_MASK; + s->odr &= ~bits_to_reset; + update_gpio_idr(s); + return; + } + case GPIO_ASCR: + qemu_log_mask(LOG_UNIMP, + "%s: ADC function isn't supported\n", + __func__); + s->ascr = value & ~RESERVED_BITS_MASK; + return; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Bad offset 0x%" HWADDR_PRIx "\n", __func__, addr); + } +} + +static uint64_t stm32l4x5_gpio_read(void *opaque, hwaddr addr, + unsigned int size) +{ + Stm32l4x5GpioState *s = opaque; + + trace_stm32l4x5_gpio_read(s->name, addr); + + switch (addr) { + case GPIO_MODER: + return s->moder; + case GPIO_OTYPER: + return s->otyper; + case GPIO_OSPEEDR: + return s->ospeedr; + case GPIO_PUPDR: + return s->pupdr; + case GPIO_IDR: + return s->idr; + case GPIO_ODR: + return s->odr; + case GPIO_BSRR: + return 0; + case GPIO_LCKR: + return s->lckr; + case GPIO_AFRL: + return s->afrl; + case GPIO_AFRH: + return s->afrh; + case GPIO_BRR: + return 0; + case GPIO_ASCR: + return s->ascr; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Bad offset 0x%" HWADDR_PRIx "\n", __func__, addr); + return 0; + } +} + +static const MemoryRegionOps stm32l4x5_gpio_ops = { + .read = stm32l4x5_gpio_read, + .write = stm32l4x5_gpio_write, + .endianness = DEVICE_NATIVE_ENDIAN, + .impl = { + .min_access_size = 4, + .max_access_size = 4, + .unaligned = false, + }, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + .unaligned = false, + }, +}; + +static void stm32l4x5_gpio_init(Object *obj) +{ + Stm32l4x5GpioState *s = STM32L4X5_GPIO(obj); + + memory_region_init_io(&s->mmio, obj, &stm32l4x5_gpio_ops, s, + TYPE_STM32L4X5_GPIO, 0x400); + + sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->mmio); + + qdev_init_gpio_out(DEVICE(obj), s->pin, GPIO_NUM_PINS); + qdev_init_gpio_in(DEVICE(obj), stm32l4x5_gpio_set, GPIO_NUM_PINS); + + s->clk = qdev_init_clock_in(DEVICE(s), "clk", NULL, s, 0); + + object_property_add(obj, "disconnected-pins", "uint16", + disconnected_pins_get, disconnected_pins_set, + NULL, &s->disconnected_pins); + object_property_add(obj, "clock-freq-hz", "uint32", + clock_freq_get, NULL, NULL, NULL); +} + +static void stm32l4x5_gpio_realize(DeviceState *dev, Error **errp) +{ + Stm32l4x5GpioState *s = STM32L4X5_GPIO(dev); + if (!clock_has_source(s->clk)) { + error_setg(errp, "GPIO: clk input must be connected"); + return; + } +} + +static const VMStateDescription vmstate_stm32l4x5_gpio = { + .name = TYPE_STM32L4X5_GPIO, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]){ + VMSTATE_UINT32(moder, Stm32l4x5GpioState), + VMSTATE_UINT32(otyper, Stm32l4x5GpioState), + VMSTATE_UINT32(ospeedr, Stm32l4x5GpioState), + VMSTATE_UINT32(pupdr, Stm32l4x5GpioState), + VMSTATE_UINT32(idr, Stm32l4x5GpioState), + VMSTATE_UINT32(odr, Stm32l4x5GpioState), + VMSTATE_UINT32(lckr, Stm32l4x5GpioState), + VMSTATE_UINT32(afrl, Stm32l4x5GpioState), + VMSTATE_UINT32(afrh, Stm32l4x5GpioState), + VMSTATE_UINT32(ascr, Stm32l4x5GpioState), + VMSTATE_UINT16(disconnected_pins, Stm32l4x5GpioState), + VMSTATE_UINT16(pins_connected_high, Stm32l4x5GpioState), + VMSTATE_END_OF_LIST() + } +}; + +static Property stm32l4x5_gpio_properties[] = { + DEFINE_PROP_STRING("name", Stm32l4x5GpioState, name), + DEFINE_PROP_UINT32("mode-reset", Stm32l4x5GpioState, moder_reset, 0), + DEFINE_PROP_UINT32("ospeed-reset", Stm32l4x5GpioState, ospeedr_reset, 0), + DEFINE_PROP_UINT32("pupd-reset", Stm32l4x5GpioState, pupdr_reset, 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static void stm32l4x5_gpio_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + ResettableClass *rc = RESETTABLE_CLASS(klass); + + device_class_set_props(dc, stm32l4x5_gpio_properties); + dc->vmsd = &vmstate_stm32l4x5_gpio; + dc->realize = stm32l4x5_gpio_realize; + rc->phases.hold = stm32l4x5_gpio_reset_hold; +} + +static const TypeInfo stm32l4x5_gpio_types[] = { + { + .name = TYPE_STM32L4X5_GPIO, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(Stm32l4x5GpioState), + .instance_init = stm32l4x5_gpio_init, + .class_init = stm32l4x5_gpio_class_init, + }, +}; + +DEFINE_TYPES(stm32l4x5_gpio_types) diff --git a/hw/gpio/trace-events b/hw/gpio/trace-events index 9736b362ac..9331f4289d 100644 --- a/hw/gpio/trace-events +++ b/hw/gpio/trace-events @@ -31,3 +31,9 @@ sifive_gpio_update_output_irq(int64_t line, int64_t value) "line %" PRIi64 " val # aspeed_gpio.c aspeed_gpio_read(uint64_t offset, uint64_t value) "offset: 0x%" PRIx64 " value 0x%" PRIx64 aspeed_gpio_write(uint64_t offset, uint64_t value) "offset: 0x%" PRIx64 " value 0x%" PRIx64 + +# stm32l4x5_gpio.c +stm32l4x5_gpio_read(char *gpio, uint64_t addr) "GPIO%s addr: 0x%" PRIx64 " " +stm32l4x5_gpio_write(char *gpio, uint64_t addr, uint64_t data) "GPIO%s addr: 0x%" PRIx64 " val: 0x%" PRIx64 "" +stm32l4x5_gpio_update_idr(char *gpio, uint32_t old_idr, uint32_t new_idr) "GPIO%s from: 0x%x to: 0x%x" +stm32l4x5_gpio_pins(char *gpio, uint16_t disconnected, uint16_t high) "GPIO%s disconnected pins: 0x%x levels: 0x%x" diff --git a/hw/hyperv/hv-balloon.c b/hw/hyperv/hv-balloon.c index ade283335a..3a9ef07691 100644 --- a/hw/hyperv/hv-balloon.c +++ b/hw/hyperv/hv-balloon.c @@ -366,7 +366,7 @@ static void hv_balloon_unballoon_posting(HvBalloon *balloon, StateDesc *stdesc) PageRangeTree dtree; uint64_t *dctr; bool our_range; - struct dm_unballoon_request *ur; + g_autofree struct dm_unballoon_request *ur = NULL; size_t ur_size = sizeof(*ur) + sizeof(ur->range_array[0]); PageRange range; bool bret; @@ -388,8 +388,7 @@ static void hv_balloon_unballoon_posting(HvBalloon *balloon, StateDesc *stdesc) assert(dtree.t); assert(dctr); - ur = alloca(ur_size); - memset(ur, 0, ur_size); + ur = g_malloc0(ur_size); ur->hdr.type = DM_UNBALLOON_REQUEST; ur->hdr.size = ur_size; ur->hdr.trans_id = balloon->trans_id; @@ -514,8 +513,8 @@ ret_idle: static void hv_balloon_hot_add_rb_wait(HvBalloon *balloon, StateDesc *stdesc) { VMBusChannel *chan = hv_balloon_get_channel(balloon); - struct dm_hot_add *ha; - size_t ha_size = sizeof(*ha) + sizeof(ha->range); + struct dm_hot_add_with_region *ha; + size_t ha_size = sizeof(*ha); assert(balloon->state == S_HOT_ADD_RB_WAIT); @@ -531,8 +530,8 @@ static void hv_balloon_hot_add_posting(HvBalloon *balloon, StateDesc *stdesc) PageRange *hot_add_range = &balloon->hot_add_range; uint64_t *current_count = &balloon->ha_current_count; VMBusChannel *chan = hv_balloon_get_channel(balloon); - struct dm_hot_add *ha; - size_t ha_size = sizeof(*ha) + sizeof(ha->range); + g_autofree struct dm_hot_add_with_region *ha = NULL; + size_t ha_size = sizeof(*ha); union dm_mem_page_range *ha_region; uint64_t align, chunk_max_size; ssize_t ret; @@ -560,9 +559,8 @@ static void hv_balloon_hot_add_posting(HvBalloon *balloon, StateDesc *stdesc) */ *current_count = MIN(hot_add_range->count, chunk_max_size); - ha = alloca(ha_size); - ha_region = &(&ha->range)[1]; - memset(ha, 0, ha_size); + ha = g_malloc0(ha_size); + ha_region = &ha->region; ha->hdr.type = DM_MEM_HOT_ADD_REQUEST; ha->hdr.size = ha_size; ha->hdr.trans_id = balloon->trans_id; diff --git a/hw/hyperv/hyperv.c b/hw/hyperv/hyperv.c index 6c4a18dd0e..3ea54ba818 100644 --- a/hw/hyperv/hyperv.c +++ b/hw/hyperv/hyperv.c @@ -951,3 +951,15 @@ uint64_t hyperv_syndbg_query_options(void) return msg.u.query_options.options; } + +static bool vmbus_recommended_features_enabled; + +bool hyperv_are_vmbus_recommended_features_enabled(void) +{ + return vmbus_recommended_features_enabled; +} + +void hyperv_set_vmbus_recommended_features_enabled(void) +{ + vmbus_recommended_features_enabled = true; +} diff --git a/hw/hyperv/vmbus.c b/hw/hyperv/vmbus.c index 380239af2c..f33afeeea2 100644 --- a/hw/hyperv/vmbus.c +++ b/hw/hyperv/vmbus.c @@ -2631,6 +2631,12 @@ static void vmbus_bridge_realize(DeviceState *dev, Error **errp) return; } + if (!hyperv_are_vmbus_recommended_features_enabled()) { + warn_report("VMBus enabled without the recommended set of Hyper-V features: " + "hv-stimer, hv-vapic and hv-runtime. " + "Some Windows versions might not boot or enable the VMBus device"); + } + bridge->bus = VMBUS(qbus_new(TYPE_VMBUS, dev, "vmbus")); } diff --git a/hw/intc/riscv_aplic.c b/hw/intc/riscv_aplic.c index e98e258deb..6a7fbfa861 100644 --- a/hw/intc/riscv_aplic.c +++ b/hw/intc/riscv_aplic.c @@ -162,7 +162,7 @@ static bool is_kvm_aia(bool msimode) static uint32_t riscv_aplic_read_input_word(RISCVAPLICState *aplic, uint32_t word) { - uint32_t i, irq, ret = 0; + uint32_t i, irq, sourcecfg, sm, raw_input, irq_inverted, ret = 0; for (i = 0; i < 32; i++) { irq = word * 32 + i; @@ -170,7 +170,20 @@ static uint32_t riscv_aplic_read_input_word(RISCVAPLICState *aplic, continue; } - ret |= ((aplic->state[irq] & APLIC_ISTATE_INPUT) ? 1 : 0) << i; + sourcecfg = aplic->sourcecfg[irq]; + if (sourcecfg & APLIC_SOURCECFG_D) { + continue; + } + + sm = sourcecfg & APLIC_SOURCECFG_SM_MASK; + if (sm == APLIC_SOURCECFG_SM_INACTIVE) { + continue; + } + + raw_input = (aplic->state[irq] & APLIC_ISTATE_INPUT) ? 1 : 0; + irq_inverted = (sm == APLIC_SOURCECFG_SM_LEVEL_LOW || + sm == APLIC_SOURCECFG_SM_EDGE_FALL) ? 1 : 0; + ret |= (raw_input ^ irq_inverted) << i; } return ret; @@ -218,13 +231,25 @@ static void riscv_aplic_set_pending(RISCVAPLICState *aplic, } sm = sourcecfg & APLIC_SOURCECFG_SM_MASK; - if ((sm == APLIC_SOURCECFG_SM_INACTIVE) || - ((!aplic->msimode || (aplic->msimode && !pending)) && - ((sm == APLIC_SOURCECFG_SM_LEVEL_HIGH) || - (sm == APLIC_SOURCECFG_SM_LEVEL_LOW)))) { + if (sm == APLIC_SOURCECFG_SM_INACTIVE) { return; } + if ((sm == APLIC_SOURCECFG_SM_LEVEL_HIGH) || + (sm == APLIC_SOURCECFG_SM_LEVEL_LOW)) { + if (!aplic->msimode || (aplic->msimode && !pending)) { + return; + } + if ((aplic->state[irq] & APLIC_ISTATE_INPUT) && + (sm == APLIC_SOURCECFG_SM_LEVEL_LOW)) { + return; + } + if (!(aplic->state[irq] & APLIC_ISTATE_INPUT) && + (sm == APLIC_SOURCECFG_SM_LEVEL_HIGH)) { + return; + } + } + riscv_aplic_set_pending_raw(aplic, irq, pending); } diff --git a/hw/misc/stm32l4x5_syscfg.c b/hw/misc/stm32l4x5_syscfg.c index fd68cb800b..3dafc00b49 100644 --- a/hw/misc/stm32l4x5_syscfg.c +++ b/hw/misc/stm32l4x5_syscfg.c @@ -27,6 +27,7 @@ #include "hw/irq.h" #include "migration/vmstate.h" #include "hw/misc/stm32l4x5_syscfg.h" +#include "hw/gpio/stm32l4x5_gpio.h" #define SYSCFG_MEMRMP 0x00 #define SYSCFG_CFGR1 0x04 diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c index 12f9792245..09878e722c 100644 --- a/hw/riscv/boot.c +++ b/hw/riscv/boot.c @@ -189,13 +189,13 @@ static void riscv_load_initrd(MachineState *machine, uint64_t kernel_entry) * kernel is uncompressed it will not clobber the initrd. However * on boards without much RAM we must ensure that we still leave * enough room for a decent sized initrd, and on boards with large - * amounts of RAM we must avoid the initrd being so far up in RAM - * that it is outside lowmem and inaccessible to the kernel. - * So for boards with less than 256MB of RAM we put the initrd - * halfway into RAM, and for boards with 256MB of RAM or more we put - * the initrd at 128MB. + * amounts of RAM, we put the initrd at 512MB to allow large kernels + * to boot. + * So for boards with less than 1GB of RAM we put the initrd + * halfway into RAM, and for boards with 1GB of RAM or more we put + * the initrd at 512MB. */ - start = kernel_entry + MIN(mem_size / 2, 128 * MiB); + start = kernel_entry + MIN(mem_size / 2, 512 * MiB); size = load_ramdisk(filename, start, mem_size - start); if (size == -1) { diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c index fb8baf64f6..0925528160 100644 --- a/hw/riscv/virt-acpi-build.c +++ b/hw/riscv/virt-acpi-build.c @@ -174,6 +174,42 @@ acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap, aml_append(scope, dev); } +/* + * Serial Port Console Redirection Table (SPCR) + * Rev: 1.07 + */ + +static void +spcr_setup(GArray *table_data, BIOSLinker *linker, RISCVVirtState *s) +{ + AcpiSpcrData serial = { + .interface_type = 0, /* 16550 compatible */ + .base_addr.id = AML_AS_SYSTEM_MEMORY, + .base_addr.width = 32, + .base_addr.offset = 0, + .base_addr.size = 1, + .base_addr.addr = s->memmap[VIRT_UART0].base, + .interrupt_type = (1 << 4),/* Bit[4] RISC-V PLIC/APLIC */ + .pc_interrupt = 0, + .interrupt = UART0_IRQ, + .baud_rate = 7, /* 15200 */ + .parity = 0, + .stop_bits = 1, + .flow_control = 0, + .terminal_type = 3, /* ANSI */ + .language = 0, /* Language */ + .pci_device_id = 0xffff, /* not a PCI device*/ + .pci_vendor_id = 0xffff, /* not a PCI device*/ + .pci_bus = 0, + .pci_device = 0, + .pci_function = 0, + .pci_flags = 0, + .pci_segment = 0, + }; + + build_spcr(table_data, linker, &serial, 2, s->oem_id, s->oem_table_id); +} + /* RHCT Node[N] starts at offset 56 */ #define RHCT_NODE_ARRAY_OFFSET 56 @@ -528,11 +564,61 @@ static void build_madt(GArray *table_data, acpi_table_end(linker, &table); } +/* + * ACPI spec, Revision 6.5+ + * 5.2.16 System Resource Affinity Table (SRAT) + * REF: https://github.com/riscv-non-isa/riscv-acpi/issues/25 + * https://drive.google.com/file/d/1YTdDx2IPm5IeZjAW932EYU-tUtgS08tX/view + */ +static void +build_srat(GArray *table_data, BIOSLinker *linker, RISCVVirtState *vms) +{ + int i; + uint64_t mem_base; + MachineClass *mc = MACHINE_GET_CLASS(vms); + MachineState *ms = MACHINE(vms); + const CPUArchIdList *cpu_list = mc->possible_cpu_arch_ids(ms); + AcpiTable table = { .sig = "SRAT", .rev = 3, .oem_id = vms->oem_id, + .oem_table_id = vms->oem_table_id }; + + acpi_table_begin(&table, table_data); + build_append_int_noprefix(table_data, 1, 4); /* Reserved */ + build_append_int_noprefix(table_data, 0, 8); /* Reserved */ + + for (i = 0; i < cpu_list->len; ++i) { + uint32_t nodeid = cpu_list->cpus[i].props.node_id; + /* + * 5.2.16.8 RINTC Affinity Structure + */ + build_append_int_noprefix(table_data, 7, 1); /* Type */ + build_append_int_noprefix(table_data, 20, 1); /* Length */ + build_append_int_noprefix(table_data, 0, 2); /* Reserved */ + build_append_int_noprefix(table_data, nodeid, 4); /* Proximity Domain */ + build_append_int_noprefix(table_data, i, 4); /* ACPI Processor UID */ + /* Flags, Table 5-70 */ + build_append_int_noprefix(table_data, 1 /* Flags: Enabled */, 4); + build_append_int_noprefix(table_data, 0, 4); /* Clock Domain */ + } + + mem_base = vms->memmap[VIRT_DRAM].base; + for (i = 0; i < ms->numa_state->num_nodes; ++i) { + if (ms->numa_state->nodes[i].node_mem > 0) { + build_srat_memory(table_data, mem_base, + ms->numa_state->nodes[i].node_mem, i, + MEM_AFFINITY_ENABLED); + mem_base += ms->numa_state->nodes[i].node_mem; + } + } + + acpi_table_end(linker, &table); +} + static void virt_acpi_build(RISCVVirtState *s, AcpiBuildTables *tables) { GArray *table_offsets; unsigned dsdt, xsdt; GArray *tables_blob = tables->table_data; + MachineState *ms = MACHINE(s); table_offsets = g_array_new(false, true, sizeof(uint32_t)); @@ -556,15 +642,28 @@ static void virt_acpi_build(RISCVVirtState *s, AcpiBuildTables *tables) build_rhct(tables_blob, tables->linker, s); acpi_add_table(table_offsets, tables_blob); + spcr_setup(tables_blob, tables->linker, s); + + acpi_add_table(table_offsets, tables_blob); { AcpiMcfgInfo mcfg = { - .base = s->memmap[VIRT_PCIE_MMIO].base, - .size = s->memmap[VIRT_PCIE_MMIO].size, + .base = s->memmap[VIRT_PCIE_ECAM].base, + .size = s->memmap[VIRT_PCIE_ECAM].size, }; build_mcfg(tables_blob, tables->linker, &mcfg, s->oem_id, s->oem_table_id); } + if (ms->numa_state->num_nodes > 0) { + acpi_add_table(table_offsets, tables_blob); + build_srat(tables_blob, tables->linker, s); + if (ms->numa_state->have_numa_distance) { + acpi_add_table(table_offsets, tables_blob); + build_slit(tables_blob, tables->linker, ms, s->oem_id, + s->oem_table_id); + } + } + /* XSDT is pointed to by RSDP */ xsdt = tables_blob->len; build_xsdt(tables_blob, tables->linker, table_offsets, s->oem_id, diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index fd35c74781..a094af97c3 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -48,11 +48,13 @@ #include "sysemu/tcg.h" #include "sysemu/kvm.h" #include "sysemu/tpm.h" +#include "sysemu/qtest.h" #include "hw/pci/pci.h" #include "hw/pci-host/gpex.h" #include "hw/display/ramfb.h" #include "hw/acpi/aml-build.h" #include "qapi/qapi-visit-common.h" +#include "hw/virtio/virtio-iommu.h" /* KVM AIA only supports APLIC MSI. APLIC Wired is always emulated by QEMU. */ static bool virt_use_kvm_aia(RISCVVirtState *s) @@ -60,6 +62,11 @@ static bool virt_use_kvm_aia(RISCVVirtState *s) return kvm_irqchip_in_kernel() && s->aia_type == VIRT_AIA_TYPE_APLIC_IMSIC; } +static bool virt_aclint_allowed(void) +{ + return tcg_enabled() || qtest_enabled(); +} + static const MemMapEntry virt_memmap[] = { [VIRT_DEBUG] = { 0x0, 0x100 }, [VIRT_MROM] = { 0x1000, 0xf000 }, @@ -724,14 +731,12 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap, create_fdt_socket_memory(s, memmap, socket); - if (tcg_enabled()) { - if (s->have_aclint) { - create_fdt_socket_aclint(s, memmap, socket, - &intc_phandles[phandle_pos]); - } else { - create_fdt_socket_clint(s, memmap, socket, - &intc_phandles[phandle_pos]); - } + if (virt_aclint_allowed() && s->have_aclint) { + create_fdt_socket_aclint(s, memmap, socket, + &intc_phandles[phandle_pos]); + } else if (tcg_enabled()) { + create_fdt_socket_clint(s, memmap, socket, + &intc_phandles[phandle_pos]); } } @@ -826,7 +831,6 @@ static void create_fdt_pcie(RISCVVirtState *s, const MemMapEntry *memmap, name = g_strdup_printf("/soc/pci@%lx", (long) memmap[VIRT_PCIE_ECAM].base); - qemu_fdt_add_subnode(ms->fdt, name); qemu_fdt_setprop_cell(ms->fdt, name, "#address-cells", FDT_PCI_ADDR_CELLS); qemu_fdt_setprop_cell(ms->fdt, name, "#interrupt-cells", @@ -972,6 +976,34 @@ static void create_fdt_fw_cfg(RISCVVirtState *s, const MemMapEntry *memmap) qemu_fdt_setprop(ms->fdt, nodename, "dma-coherent", NULL, 0); } +static void create_fdt_virtio_iommu(RISCVVirtState *s, uint16_t bdf) +{ + const char compat[] = "virtio,pci-iommu\0pci1af4,1057"; + void *fdt = MACHINE(s)->fdt; + uint32_t iommu_phandle; + g_autofree char *iommu_node = NULL; + g_autofree char *pci_node = NULL; + + pci_node = g_strdup_printf("/soc/pci@%lx", + (long) virt_memmap[VIRT_PCIE_ECAM].base); + iommu_node = g_strdup_printf("%s/virtio_iommu@%x,%x", pci_node, + PCI_SLOT(bdf), PCI_FUNC(bdf)); + iommu_phandle = qemu_fdt_alloc_phandle(fdt); + + qemu_fdt_add_subnode(fdt, iommu_node); + + qemu_fdt_setprop(fdt, iommu_node, "compatible", compat, sizeof(compat)); + qemu_fdt_setprop_sized_cells(fdt, iommu_node, "reg", + 1, bdf << 8, 1, 0, 1, 0, + 1, 0, 1, 0); + qemu_fdt_setprop_cell(fdt, iommu_node, "#iommu-cells", 1); + qemu_fdt_setprop_cell(fdt, iommu_node, "phandle", iommu_phandle); + + qemu_fdt_setprop_cells(fdt, pci_node, "iommu-map", + 0, iommu_phandle, 0, bdf, + bdf + 1, iommu_phandle, bdf + 1, 0xffff - bdf); +} + static void finalize_fdt(RISCVVirtState *s) { uint32_t phandle = 1, irq_mmio_phandle = 1, msi_pcie_phandle = 1; @@ -996,6 +1028,7 @@ static void create_fdt(RISCVVirtState *s, const MemMapEntry *memmap) { MachineState *ms = MACHINE(s); uint8_t rng_seed[32]; + g_autofree char *name = NULL; ms->fdt = create_device_tree(&s->fdt_size); if (!ms->fdt) { @@ -1014,6 +1047,13 @@ static void create_fdt(RISCVVirtState *s, const MemMapEntry *memmap) qemu_fdt_setprop_cell(ms->fdt, "/soc", "#size-cells", 0x2); qemu_fdt_setprop_cell(ms->fdt, "/soc", "#address-cells", 0x2); + /* + * The "/soc/pci@..." node is needed for PCIE hotplugs + * that might happen before finalize_fdt(). + */ + name = g_strdup_printf("/soc/pci@%lx", (long) memmap[VIRT_PCIE_ECAM].base); + qemu_fdt_add_subnode(ms->fdt, name); + qemu_fdt_add_subnode(ms->fdt, "/chosen"); /* Pass seed to RNG */ @@ -1373,7 +1413,7 @@ static void virt_machine_init(MachineState *machine) exit(1); } - if (!tcg_enabled() && s->have_aclint) { + if (!virt_aclint_allowed() && s->have_aclint) { error_report("'aclint' is only available with TCG acceleration"); exit(1); } @@ -1410,23 +1450,22 @@ static void virt_machine_init(MachineState *machine) hart_count, &error_abort); sysbus_realize(SYS_BUS_DEVICE(&s->soc[i]), &error_fatal); - if (tcg_enabled()) { - if (s->have_aclint) { - if (s->aia_type == VIRT_AIA_TYPE_APLIC_IMSIC) { - /* Per-socket ACLINT MTIMER */ - riscv_aclint_mtimer_create(memmap[VIRT_CLINT].base + + if (virt_aclint_allowed() && s->have_aclint) { + if (s->aia_type == VIRT_AIA_TYPE_APLIC_IMSIC) { + /* Per-socket ACLINT MTIMER */ + riscv_aclint_mtimer_create(memmap[VIRT_CLINT].base + i * RISCV_ACLINT_DEFAULT_MTIMER_SIZE, RISCV_ACLINT_DEFAULT_MTIMER_SIZE, base_hartid, hart_count, RISCV_ACLINT_DEFAULT_MTIMECMP, RISCV_ACLINT_DEFAULT_MTIME, RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ, true); - } else { - /* Per-socket ACLINT MSWI, MTIMER, and SSWI */ - riscv_aclint_swi_create(memmap[VIRT_CLINT].base + + } else { + /* Per-socket ACLINT MSWI, MTIMER, and SSWI */ + riscv_aclint_swi_create(memmap[VIRT_CLINT].base + i * memmap[VIRT_CLINT].size, base_hartid, hart_count, false); - riscv_aclint_mtimer_create(memmap[VIRT_CLINT].base + + riscv_aclint_mtimer_create(memmap[VIRT_CLINT].base + i * memmap[VIRT_CLINT].size + RISCV_ACLINT_SWI_SIZE, RISCV_ACLINT_DEFAULT_MTIMER_SIZE, @@ -1434,21 +1473,20 @@ static void virt_machine_init(MachineState *machine) RISCV_ACLINT_DEFAULT_MTIMECMP, RISCV_ACLINT_DEFAULT_MTIME, RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ, true); - riscv_aclint_swi_create(memmap[VIRT_ACLINT_SSWI].base + + riscv_aclint_swi_create(memmap[VIRT_ACLINT_SSWI].base + i * memmap[VIRT_ACLINT_SSWI].size, base_hartid, hart_count, true); - } - } else { - /* Per-socket SiFive CLINT */ - riscv_aclint_swi_create( + } + } else if (tcg_enabled()) { + /* Per-socket SiFive CLINT */ + riscv_aclint_swi_create( memmap[VIRT_CLINT].base + i * memmap[VIRT_CLINT].size, base_hartid, hart_count, false); - riscv_aclint_mtimer_create(memmap[VIRT_CLINT].base + + riscv_aclint_mtimer_create(memmap[VIRT_CLINT].base + i * memmap[VIRT_CLINT].size + RISCV_ACLINT_SWI_SIZE, RISCV_ACLINT_DEFAULT_MTIMER_SIZE, base_hartid, hart_count, RISCV_ACLINT_DEFAULT_MTIMECMP, RISCV_ACLINT_DEFAULT_MTIME, RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ, true); - } } /* Per-socket interrupt controller */ @@ -1673,7 +1711,8 @@ static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *machine, { MachineClass *mc = MACHINE_GET_CLASS(machine); - if (device_is_dynamic_sysbus(mc, dev)) { + if (device_is_dynamic_sysbus(mc, dev) || + object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) { return HOTPLUG_HANDLER(machine); } return NULL; @@ -1692,6 +1731,10 @@ static void virt_machine_device_plug_cb(HotplugHandler *hotplug_dev, SYS_BUS_DEVICE(dev)); } } + + if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) { + create_fdt_virtio_iommu(s, pci_get_bdf(PCI_DEVICE(dev))); + } } static void virt_machine_class_init(ObjectClass *oc, void *data) diff --git a/hw/rtc/sun4v-rtc.c b/hw/rtc/sun4v-rtc.c index e037acd1b5..ffcc0aa25d 100644 --- a/hw/rtc/sun4v-rtc.c +++ b/hw/rtc/sun4v-rtc.c @@ -5,7 +5,7 @@ * * Copyright (c) 2016 Artyom Tarasenko * - * This code is licensed under the GNU GPL v3 or (at your option) any later + * This code is licensed under the GNU GPL v2 or (at your option) any later * version. */ |