diff --git a/tests/qtest/libqos/meson.build b/tests/qtest/libqos/meson.build index 90aae42a22..3aed6efcb8 100644 --- a/tests/qtest/libqos/meson.build +++ b/tests/qtest/libqos/meson.build @@ -60,6 +60,7 @@ libqos_srcs = files( 'arm-xilinx-zynq-a9-machine.c', 'ppc64_pseries-machine.c', 'x86_64_pc-machine.c', + 'riscv-virt-machine.c', ) if have_virtfs diff --git a/tests/qtest/libqos/riscv-virt-machine.c b/tests/qtest/libqos/riscv-virt-machine.c new file mode 100644 index 0000000000..c4364c9c5d --- /dev/null +++ b/tests/qtest/libqos/riscv-virt-machine.c @@ -0,0 +1,137 @@ +/* + * libqos driver framework for risc-v + * + * Initial version based on arm-virt-machine.c + * + * Copyright (c) 2024 Ventana Micro + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see + */ + +#include "qemu/osdep.h" +#include "../libqtest.h" +#include "qemu/module.h" +#include "libqos-malloc.h" +#include "qgraph.h" +#include "virtio-mmio.h" +#include "generic-pcihost.h" +#include "hw/pci/pci_regs.h" + +#define RISCV_PAGE_SIZE 4096 + +/* VIRT_DRAM */ +#define RISCV_VIRT_RAM_ADDR 0x80000000 +#define RISCV_VIRT_RAM_SIZE 0x20000000 + +/* + * VIRT_VIRTIO. BASE_ADDR points to the last + * virtio_mmio device. + */ +#define VIRTIO_MMIO_BASE_ADDR 0x10008000 +#define VIRTIO_MMIO_SIZE 0x00001000 + +/* VIRT_PCIE_PIO */ +#define RISCV_GPEX_PIO_BASE 0x3000000 +#define RISCV_BUS_PIO_LIMIT 0x10000 + +/* VIRT_PCIE_MMIO */ +#define RISCV_BUS_MMIO_ALLOC_PTR 0x40000000 +#define RISCV_BUS_MMIO_LIMIT 0x80000000 + +/* VIRT_PCIE_ECAM */ +#define RISCV_ECAM_ALLOC_PTR 0x30000000 + +typedef struct QVirtMachine QVirtMachine; + +struct QVirtMachine { + QOSGraphObject obj; + QGuestAllocator alloc; + QVirtioMMIODevice virtio_mmio; + QGenericPCIHost bridge; +}; + +static void virt_destructor(QOSGraphObject *obj) +{ + QVirtMachine *machine = (QVirtMachine *) obj; + alloc_destroy(&machine->alloc); +} + +static void *virt_get_driver(void *object, const char *interface) +{ + QVirtMachine *machine = object; + if (!g_strcmp0(interface, "memory")) { + return &machine->alloc; + } + + fprintf(stderr, "%s not present in riscv/virtio\n", interface); + g_assert_not_reached(); +} + +static QOSGraphObject *virt_get_device(void *obj, const char *device) +{ + QVirtMachine *machine = obj; + if (!g_strcmp0(device, "generic-pcihost")) { + return &machine->bridge.obj; + } else if (!g_strcmp0(device, "virtio-mmio")) { + return &machine->virtio_mmio.obj; + } + + fprintf(stderr, "%s not present in riscv/virt\n", device); + g_assert_not_reached(); +} + +static void riscv_config_qpci_bus(QGenericPCIBus *qpci) +{ + qpci->gpex_pio_base = RISCV_GPEX_PIO_BASE; + qpci->bus.pio_limit = RISCV_BUS_PIO_LIMIT; + + qpci->bus.mmio_alloc_ptr = RISCV_BUS_MMIO_ALLOC_PTR; + qpci->bus.mmio_limit = RISCV_BUS_MMIO_LIMIT; + + qpci->ecam_alloc_ptr = RISCV_ECAM_ALLOC_PTR; +} + +static void *qos_create_machine_riscv_virt(QTestState *qts) +{ + QVirtMachine *machine = g_new0(QVirtMachine, 1); + + alloc_init(&machine->alloc, 0, + RISCV_VIRT_RAM_ADDR, + RISCV_VIRT_RAM_ADDR + RISCV_VIRT_RAM_SIZE, + RISCV_PAGE_SIZE); + qvirtio_mmio_init_device(&machine->virtio_mmio, qts, VIRTIO_MMIO_BASE_ADDR, + VIRTIO_MMIO_SIZE); + + qos_create_generic_pcihost(&machine->bridge, qts, &machine->alloc); + riscv_config_qpci_bus(&machine->bridge.pci); + + machine->obj.get_device = virt_get_device; + machine->obj.get_driver = virt_get_driver; + machine->obj.destructor = virt_destructor; + return machine; +} + +static void virt_machine_register_nodes(void) +{ + qos_node_create_machine_args("riscv32/virt", qos_create_machine_riscv_virt, + "aclint=on,aia=aplic-imsic"); + qos_node_contains("riscv32/virt", "virtio-mmio", NULL); + qos_node_contains("riscv32/virt", "generic-pcihost", NULL); + + qos_node_create_machine_args("riscv64/virt", qos_create_machine_riscv_virt, + "aclint=on,aia=aplic-imsic"); + qos_node_contains("riscv64/virt", "virtio-mmio", NULL); + qos_node_contains("riscv64/virt", "generic-pcihost", NULL); +} + +libqos_init(virt_machine_register_nodes);