new file mode 100644
@@ -0,0 +1,417 @@
+/*
+ * QEMU machine helper
+ *
+ * Copyright (c) 2022 Rivos, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/units.h"
+#include "qemu/error-report.h"
+#include "qapi/error.h"
+#include "hw/boards.h"
+#include "hw/loader.h"
+#include "hw/sysbus.h"
+#include "hw/qdev-properties.h"
+#include "target/riscv/cpu.h"
+#include "hw/riscv/riscv_hart.h"
+#include "hw/riscv/virt.h"
+#include "hw/riscv/boot.h"
+#include "hw/riscv/numa.h"
+#include "hw/riscv/machine_helper.h"
+#include "hw/intc/riscv_imsic.h"
+#include "chardev/char.h"
+#include "sysemu/device_tree.h"
+#include "sysemu/sysemu.h"
+#include "hw/pci/pci.h"
+#include "hw/pci-host/gpex.h"
+#include "hw/display/ramfb.h"
+
+static inline DeviceState *__gpex_pcie_common(MemoryRegion *sys_mem,
+ PcieInitData *data)
+{
+ DeviceState *dev;
+ MemoryRegion *ecam_alias, *ecam_reg;
+ MemoryRegion *mmio_alias, *high_mmio_alias, *mmio_reg;
+
+ dev = qdev_new(TYPE_GPEX_HOST);
+
+ sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
+
+ ecam_alias = g_new0(MemoryRegion, 1);
+ ecam_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
+ memory_region_init_alias(ecam_alias, OBJECT(dev), "pcie-ecam",
+ ecam_reg, 0, data->pcie_ecam.size);
+ memory_region_add_subregion(get_system_memory(), data->pcie_ecam.base,
+ ecam_alias);
+
+ mmio_alias = g_new0(MemoryRegion, 1);
+ mmio_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1);
+ memory_region_init_alias(mmio_alias, OBJECT(dev), "pcie-mmio",
+ mmio_reg, data->pcie_mmio.base,
+ data->pcie_mmio.size);
+ memory_region_add_subregion(get_system_memory(), data->pcie_mmio.base,
+ mmio_alias);
+
+ /* Map high MMIO space */
+ high_mmio_alias = g_new0(MemoryRegion, 1);
+ memory_region_init_alias(high_mmio_alias, OBJECT(dev), "pcie-mmio-high",
+ mmio_reg, data->pcie_high_mmio.base,
+ data->pcie_high_mmio.size);
+ memory_region_add_subregion(get_system_memory(), data->pcie_high_mmio.base,
+ high_mmio_alias);
+
+ sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, data->pcie_pio.base);
+
+ return dev;
+}
+
+DeviceState *riscv_gpex_pcie_msi_init(MemoryRegion *sys_mem,
+ PcieInitData *data)
+{
+ return __gpex_pcie_common(sys_mem, data);
+}
+
+DeviceState *riscv_gpex_pcie_intx_init(MemoryRegion *sys_mem,
+ PcieInitData *data, DeviceState *irqchip)
+{
+ qemu_irq irq;
+ int i;
+ DeviceState *dev;
+
+ dev = __gpex_pcie_common(sys_mem, data);
+ for (i = 0; i < GPEX_NUM_IRQS; i++) {
+ irq = qdev_get_gpio_in(irqchip, PCIE_IRQ + i);
+
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, irq);
+ gpex_set_irq_num(GPEX_HOST(dev), i, PCIE_IRQ + i);
+ }
+
+ return dev;
+}
+
+uint32_t riscv_imsic_num_bits(uint32_t count)
+{
+ uint32_t ret = 0;
+
+ while (BIT(ret) < count) {
+ ret++;
+ }
+
+ return ret;
+}
+
+void riscv_create_fdt_imsic(MachineState *mc, RISCVHartArrayState *soc,
+ uint32_t *phandle, uint32_t *intc_phandles,
+ uint32_t *msi_m_phandle, uint32_t *msi_s_phandle,
+ ImsicInitData *data)
+{
+ int cpu, socket;
+ char *imsic_name;
+ uint32_t imsic_max_hart_per_socket, imsic_guest_bits;
+ uint32_t *imsic_cells, *imsic_regs, imsic_addr, imsic_size;
+
+ *msi_m_phandle = (*phandle)++;
+ *msi_s_phandle = (*phandle)++;
+ imsic_cells = g_new0(uint32_t, mc->smp.cpus * 2);
+ imsic_regs = g_new0(uint32_t, riscv_socket_count(mc) * 4);
+
+ /* M-level IMSIC node */
+ for (cpu = 0; cpu < mc->smp.cpus; cpu++) {
+ imsic_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]);
+ imsic_cells[cpu * 2 + 1] = cpu_to_be32(IRQ_M_EXT);
+ }
+ imsic_max_hart_per_socket = 0;
+ for (socket = 0; socket < riscv_socket_count(mc); socket++) {
+ imsic_addr = data->imsic_m.base + socket * data->group_max_size;
+ imsic_size = IMSIC_HART_SIZE(0) * soc[socket].num_harts;
+ imsic_regs[socket * 4 + 0] = 0;
+ imsic_regs[socket * 4 + 1] = cpu_to_be32(imsic_addr);
+ imsic_regs[socket * 4 + 2] = 0;
+ imsic_regs[socket * 4 + 3] = cpu_to_be32(imsic_size);
+ if (imsic_max_hart_per_socket < soc[socket].num_harts) {
+ imsic_max_hart_per_socket = soc[socket].num_harts;
+ }
+ }
+ imsic_name = g_strdup_printf("/soc/imsics@%lx",
+ (unsigned long)data->imsic_m.base);
+ qemu_fdt_add_subnode(mc->fdt, imsic_name);
+ qemu_fdt_setprop_string(mc->fdt, imsic_name, "compatible",
+ "riscv,imsics");
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "#interrupt-cells",
+ FDT_IMSIC_INT_CELLS);
+ qemu_fdt_setprop(mc->fdt, imsic_name, "interrupt-controller",
+ NULL, 0);
+ qemu_fdt_setprop(mc->fdt, imsic_name, "msi-controller",
+ NULL, 0);
+ qemu_fdt_setprop(mc->fdt, imsic_name, "interrupts-extended",
+ imsic_cells, mc->smp.cpus * sizeof(uint32_t) * 2);
+ qemu_fdt_setprop(mc->fdt, imsic_name, "reg", imsic_regs,
+ riscv_socket_count(mc) * sizeof(uint32_t) * 4);
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,num-ids",
+ data->num_msi);
+ qemu_fdt_setprop_cells(mc->fdt, imsic_name, "riscv,ipi-id",
+ data->ipi_msi);
+ if (riscv_socket_count(mc) > 1) {
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,hart-index-bits",
+ riscv_imsic_num_bits(imsic_max_hart_per_socket));
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,group-index-bits",
+ riscv_imsic_num_bits(riscv_socket_count(mc)));
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,group-index-shift",
+ IMSIC_MMIO_GROUP_MIN_SHIFT);
+ }
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "phandle", *msi_m_phandle);
+ g_free(imsic_name);
+
+ /* S-level IMSIC node */
+ for (cpu = 0; cpu < mc->smp.cpus; cpu++) {
+ imsic_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]);
+ imsic_cells[cpu * 2 + 1] = cpu_to_be32(IRQ_S_EXT);
+ }
+ imsic_guest_bits = riscv_imsic_num_bits(data->num_guests + 1);
+ imsic_max_hart_per_socket = 0;
+ for (socket = 0; socket < riscv_socket_count(mc); socket++) {
+ imsic_addr = data->imsic_s.base + socket * data->group_max_size;
+ imsic_size = IMSIC_HART_SIZE(imsic_guest_bits) *
+ soc[socket].num_harts;
+ imsic_regs[socket * 4 + 0] = 0;
+ imsic_regs[socket * 4 + 1] = cpu_to_be32(imsic_addr);
+ imsic_regs[socket * 4 + 2] = 0;
+ imsic_regs[socket * 4 + 3] = cpu_to_be32(imsic_size);
+ if (imsic_max_hart_per_socket < soc[socket].num_harts) {
+ imsic_max_hart_per_socket = soc[socket].num_harts;
+ }
+ }
+ imsic_name = g_strdup_printf("/soc/imsics@%lx",
+ (unsigned long)data->imsic_s.base);
+ qemu_fdt_add_subnode(mc->fdt, imsic_name);
+ qemu_fdt_setprop_string(mc->fdt, imsic_name, "compatible", "riscv,imsics");
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "#interrupt-cells",
+ FDT_IMSIC_INT_CELLS);
+ qemu_fdt_setprop(mc->fdt, imsic_name, "interrupt-controller", NULL, 0);
+ qemu_fdt_setprop(mc->fdt, imsic_name, "msi-controller", NULL, 0);
+ qemu_fdt_setprop(mc->fdt, imsic_name, "interrupts-extended",
+ imsic_cells, mc->smp.cpus * sizeof(uint32_t) * 2);
+ qemu_fdt_setprop(mc->fdt, imsic_name, "reg", imsic_regs,
+ riscv_socket_count(mc) * sizeof(uint32_t) * 4);
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,num-ids", data->num_msi);
+ qemu_fdt_setprop_cells(mc->fdt, imsic_name, "riscv,ipi-id", data->ipi_msi);
+ if (imsic_guest_bits) {
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,guest-index-bits",
+ imsic_guest_bits);
+ }
+ if (riscv_socket_count(mc) > 1) {
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,hart-index-bits",
+ riscv_imsic_num_bits(imsic_max_hart_per_socket));
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,group-index-bits",
+ riscv_imsic_num_bits(riscv_socket_count(mc)));
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,group-index-shift",
+ IMSIC_MMIO_GROUP_MIN_SHIFT);
+ }
+ qemu_fdt_setprop_cell(mc->fdt, imsic_name, "phandle", *msi_s_phandle);
+ g_free(imsic_name);
+
+ g_free(imsic_regs);
+ g_free(imsic_cells);
+}
+
+static void create_pcie_irq_map(void *fdt, char *nodename,
+ uint32_t irqchip_phandle,
+ RISCV_IRQ_TYPE irq_type)
+{
+ int pin, dev;
+ uint32_t irq_map_stride = 0;
+ uint32_t full_irq_map[GPEX_NUM_IRQS * GPEX_NUM_IRQS *
+ FDT_MAX_INT_MAP_WIDTH] = {};
+ uint32_t *irq_map = full_irq_map;
+
+ /* This code creates a standard swizzle of interrupts such that
+ * each device's first interrupt is based on it's PCI_SLOT number.
+ * (See pci_swizzle_map_irq_fn())
+ *
+ * We only need one entry per interrupt in the table (not one per
+ * possible slot) seeing the interrupt-map-mask will allow the table
+ * to wrap to any number of devices.
+ */
+ for (dev = 0; dev < GPEX_NUM_IRQS; dev++) {
+ int devfn = dev * 0x8;
+
+ for (pin = 0; pin < GPEX_NUM_IRQS; pin++) {
+ int irq_nr = PCIE_IRQ + ((pin + PCI_SLOT(devfn)) % GPEX_NUM_IRQS);
+ int i = 0;
+
+ /* Fill PCI address cells */
+ irq_map[i] = cpu_to_be32(devfn << 8);
+ i += FDT_PCI_ADDR_CELLS;
+
+ /* Fill PCI Interrupt cells */
+ irq_map[i] = cpu_to_be32(pin + 1);
+ i += FDT_PCI_INT_CELLS;
+
+ /* Fill interrupt controller phandle and cells */
+ irq_map[i++] = cpu_to_be32(irqchip_phandle);
+ irq_map[i++] = cpu_to_be32(irq_nr);
+ if (irq_type != RISCV_IRQ_WIRED_PLIC) {
+ irq_map[i++] = cpu_to_be32(0x4);
+ }
+
+ if (!irq_map_stride) {
+ irq_map_stride = i;
+ }
+ irq_map += irq_map_stride;
+ }
+ }
+
+ qemu_fdt_setprop(fdt, nodename, "interrupt-map", full_irq_map,
+ GPEX_NUM_IRQS * GPEX_NUM_IRQS *
+ irq_map_stride * sizeof(uint32_t));
+
+ qemu_fdt_setprop_cells(fdt, nodename, "interrupt-map-mask",
+ 0x1800, 0, 0, 0x7);
+}
+
+RISCV_IRQ_TYPE riscv_get_irq_type(RISCVVirtAIAType virt_aia_type)
+{
+ int irq_type = RISCV_IRQ_INVALID;
+
+ switch (virt_aia_type) {
+ case VIRT_AIA_TYPE_NONE:
+ irq_type = RISCV_IRQ_WIRED_PLIC;
+ break;
+ case VIRT_AIA_TYPE_APLIC:
+ irq_type = RISCV_IRQ_WIRED_APLIC;
+ break;
+ case VIRT_AIA_TYPE_APLIC_IMSIC:
+ irq_type = RISCV_IRQ_WIRED_MSI;
+ break;
+ }
+
+ return irq_type;
+}
+
+void riscv_create_fdt_pcie(MachineState *mc, const PcieInitData *data,
+ uint32_t irq_pcie_phandle, uint32_t msi_pcie_phandle)
+{
+ char *name;
+ RISCV_IRQ_TYPE irq_type = data->irq_type;
+
+ name = g_strdup_printf("/soc/pci@%lx",
+ (long) data->pcie_ecam.base);
+ qemu_fdt_add_subnode(mc->fdt, name);
+ qemu_fdt_setprop_cell(mc->fdt, name, "#address-cells",
+ FDT_PCI_ADDR_CELLS);
+ qemu_fdt_setprop_cell(mc->fdt, name, "#interrupt-cells",
+ FDT_PCI_INT_CELLS);
+ qemu_fdt_setprop_cell(mc->fdt, name, "#size-cells", 0x2);
+ qemu_fdt_setprop_string(mc->fdt, name, "compatible",
+ "pci-host-ecam-generic");
+ qemu_fdt_setprop_string(mc->fdt, name, "device_type", "pci");
+ qemu_fdt_setprop_cell(mc->fdt, name, "linux,pci-domain", 0);
+ qemu_fdt_setprop_cells(mc->fdt, name, "bus-range", 0,
+ data->pcie_ecam.size / PCIE_MMCFG_SIZE_MIN - 1);
+ qemu_fdt_setprop(mc->fdt, name, "dma-coherent", NULL, 0);
+ if (irq_type == RISCV_IRQ_MSI_ONLY || irq_type == RISCV_IRQ_WIRED_MSI) {
+ qemu_fdt_setprop_cell(mc->fdt, name, "msi-parent", msi_pcie_phandle);
+ }
+ qemu_fdt_setprop_cells(mc->fdt, name, "reg", 0,
+ data->pcie_ecam.base, 0, data->pcie_ecam.size);
+ qemu_fdt_setprop_sized_cells(mc->fdt, name, "ranges",
+ 1, FDT_PCI_RANGE_IOPORT, 2, 0,
+ 2, data->pcie_pio.base, 2, data->pcie_pio.size,
+ 1, FDT_PCI_RANGE_MMIO,
+ 2, data->pcie_mmio.base,
+ 2, data->pcie_mmio.base, 2, data->pcie_mmio.size,
+ 1, FDT_PCI_RANGE_MMIO_64BIT,
+ 2, data->pcie_high_mmio.base,
+ 2, data->pcie_high_mmio.base, 2, data->pcie_high_mmio.size);
+
+ if (irq_type != RISCV_IRQ_MSI_ONLY) {
+ create_pcie_irq_map(mc->fdt, name, irq_pcie_phandle, irq_type);
+ }
+ g_free(name);
+}
+
+void riscv_create_fdt_socket_cpus(MachineState *mc, RISCVHartArrayState *soc,
+ int socket, char *clust_name,
+ uint32_t *phandle, bool is_32_bit,
+ uint32_t *intc_phandles)
+{
+ int cpu;
+ uint32_t cpu_phandle;
+ char *name, *cpu_name, *core_name, *intc_name;
+
+ for (cpu = soc[socket].num_harts - 1; cpu >= 0; cpu--) {
+ cpu_phandle = (*phandle)++;
+
+ cpu_name = g_strdup_printf("/cpus/cpu@%d",
+ soc[socket].hartid_base + cpu);
+ qemu_fdt_add_subnode(mc->fdt, cpu_name);
+ qemu_fdt_setprop_string(mc->fdt, cpu_name, "mmu-type",
+ (is_32_bit) ? "riscv,sv32" : "riscv,sv48");
+ name = riscv_isa_string(&soc[socket].harts[cpu]);
+ qemu_fdt_setprop_string(mc->fdt, cpu_name, "riscv,isa", name);
+ g_free(name);
+ qemu_fdt_setprop_string(mc->fdt, cpu_name, "compatible", "riscv");
+ qemu_fdt_setprop_string(mc->fdt, cpu_name, "status", "okay");
+ qemu_fdt_setprop_cell(mc->fdt, cpu_name, "reg",
+ soc[socket].hartid_base + cpu);
+ qemu_fdt_setprop_string(mc->fdt, cpu_name, "device_type", "cpu");
+ riscv_socket_fdt_write_id(mc, mc->fdt, cpu_name, socket);
+ qemu_fdt_setprop_cell(mc->fdt, cpu_name, "phandle", cpu_phandle);
+
+ intc_phandles[cpu] = (*phandle)++;
+
+ intc_name = g_strdup_printf("%s/interrupt-controller", cpu_name);
+ qemu_fdt_add_subnode(mc->fdt, intc_name);
+ qemu_fdt_setprop_cell(mc->fdt, intc_name, "phandle",
+ intc_phandles[cpu]);
+ if (riscv_feature(&soc[socket].harts[cpu].env, RISCV_FEATURE_AIA)) {
+ static const char * const compat[2] = {
+ "riscv,cpu-intc-aia", "riscv,cpu-intc"
+ };
+ qemu_fdt_setprop_string_array(mc->fdt, intc_name, "compatible",
+ (char **)&compat, ARRAY_SIZE(compat));
+ } else {
+ qemu_fdt_setprop_string(mc->fdt, intc_name, "compatible",
+ "riscv,cpu-intc");
+ }
+ qemu_fdt_setprop(mc->fdt, intc_name, "interrupt-controller", NULL, 0);
+ qemu_fdt_setprop_cell(mc->fdt, intc_name, "#interrupt-cells", 1);
+
+ core_name = g_strdup_printf("%s/core%d", clust_name, cpu);
+ qemu_fdt_add_subnode(mc->fdt, core_name);
+ qemu_fdt_setprop_cell(mc->fdt, core_name, "cpu", cpu_phandle);
+
+ g_free(core_name);
+ g_free(intc_name);
+ g_free(cpu_name);
+ }
+}
+
+void riscv_create_fdt_socket_memory(MachineState *mc, hwaddr dram_base,
+ int socket)
+{
+ char *mem_name;
+ uint64_t addr, size;
+
+ addr = dram_base + riscv_socket_mem_offset(mc, socket);
+ size = riscv_socket_mem_size(mc, socket);
+ mem_name = g_strdup_printf("/memory@%lx", (long)addr);
+ qemu_fdt_add_subnode(mc->fdt, mem_name);
+ qemu_fdt_setprop_cells(mc->fdt, mem_name, "reg",
+ addr >> 32, addr, size >> 32, size);
+ qemu_fdt_setprop_string(mc->fdt, mem_name, "device_type", "memory");
+ riscv_socket_fdt_write_id(mc, mc->fdt, mem_name, socket);
+ g_free(mem_name);
+}
@@ -2,6 +2,7 @@ riscv_ss = ss.source_set()
riscv_ss.add(files('boot.c'), fdt)
riscv_ss.add(when: 'CONFIG_RISCV_NUMA', if_true: files('numa.c'))
riscv_ss.add(files('riscv_hart.c'))
+riscv_ss.add(files('machine_helper.c'))
riscv_ss.add(when: 'CONFIG_OPENTITAN', if_true: files('opentitan.c'))
riscv_ss.add(when: 'CONFIG_RISCV_VIRT', if_true: files('virt.c'))
riscv_ss.add(when: 'CONFIG_SHAKTI_C', if_true: files('shakti_c.c'))
@@ -30,6 +30,7 @@
#include "target/riscv/cpu.h"
#include "hw/riscv/riscv_hart.h"
#include "hw/riscv/virt.h"
+#include "hw/riscv/machine_helper.h"
#include "hw/riscv/boot.h"
#include "hw/riscv/numa.h"
#include "hw/intc/riscv_aclint.h"
@@ -161,136 +162,6 @@ static void virt_flash_map(RISCVVirtState *s,
sysmem);
}
-static void create_pcie_irq_map(RISCVVirtState *s, void *fdt, char *nodename,
- uint32_t irqchip_phandle)
-{
- int pin, dev;
- uint32_t irq_map_stride = 0;
- uint32_t full_irq_map[GPEX_NUM_IRQS * GPEX_NUM_IRQS *
- FDT_MAX_INT_MAP_WIDTH] = {};
- uint32_t *irq_map = full_irq_map;
-
- /* This code creates a standard swizzle of interrupts such that
- * each device's first interrupt is based on it's PCI_SLOT number.
- * (See pci_swizzle_map_irq_fn())
- *
- * We only need one entry per interrupt in the table (not one per
- * possible slot) seeing the interrupt-map-mask will allow the table
- * to wrap to any number of devices.
- */
- for (dev = 0; dev < GPEX_NUM_IRQS; dev++) {
- int devfn = dev * 0x8;
-
- for (pin = 0; pin < GPEX_NUM_IRQS; pin++) {
- int irq_nr = PCIE_IRQ + ((pin + PCI_SLOT(devfn)) % GPEX_NUM_IRQS);
- int i = 0;
-
- /* Fill PCI address cells */
- irq_map[i] = cpu_to_be32(devfn << 8);
- i += FDT_PCI_ADDR_CELLS;
-
- /* Fill PCI Interrupt cells */
- irq_map[i] = cpu_to_be32(pin + 1);
- i += FDT_PCI_INT_CELLS;
-
- /* Fill interrupt controller phandle and cells */
- irq_map[i++] = cpu_to_be32(irqchip_phandle);
- irq_map[i++] = cpu_to_be32(irq_nr);
- if (s->aia_type != VIRT_AIA_TYPE_NONE) {
- irq_map[i++] = cpu_to_be32(0x4);
- }
-
- if (!irq_map_stride) {
- irq_map_stride = i;
- }
- irq_map += irq_map_stride;
- }
- }
-
- qemu_fdt_setprop(fdt, nodename, "interrupt-map", full_irq_map,
- GPEX_NUM_IRQS * GPEX_NUM_IRQS *
- irq_map_stride * sizeof(uint32_t));
-
- qemu_fdt_setprop_cells(fdt, nodename, "interrupt-map-mask",
- 0x1800, 0, 0, 0x7);
-}
-
-static void create_fdt_socket_cpus(RISCVVirtState *s, int socket,
- char *clust_name, uint32_t *phandle,
- bool is_32_bit, uint32_t *intc_phandles)
-{
- int cpu;
- uint32_t cpu_phandle;
- MachineState *mc = MACHINE(s);
- char *name, *cpu_name, *core_name, *intc_name;
-
- for (cpu = s->soc[socket].num_harts - 1; cpu >= 0; cpu--) {
- cpu_phandle = (*phandle)++;
-
- cpu_name = g_strdup_printf("/cpus/cpu@%d",
- s->soc[socket].hartid_base + cpu);
- qemu_fdt_add_subnode(mc->fdt, cpu_name);
- qemu_fdt_setprop_string(mc->fdt, cpu_name, "mmu-type",
- (is_32_bit) ? "riscv,sv32" : "riscv,sv48");
- name = riscv_isa_string(&s->soc[socket].harts[cpu]);
- qemu_fdt_setprop_string(mc->fdt, cpu_name, "riscv,isa", name);
- g_free(name);
- qemu_fdt_setprop_string(mc->fdt, cpu_name, "compatible", "riscv");
- qemu_fdt_setprop_string(mc->fdt, cpu_name, "status", "okay");
- qemu_fdt_setprop_cell(mc->fdt, cpu_name, "reg",
- s->soc[socket].hartid_base + cpu);
- qemu_fdt_setprop_string(mc->fdt, cpu_name, "device_type", "cpu");
- riscv_socket_fdt_write_id(mc, mc->fdt, cpu_name, socket);
- qemu_fdt_setprop_cell(mc->fdt, cpu_name, "phandle", cpu_phandle);
-
- intc_phandles[cpu] = (*phandle)++;
-
- intc_name = g_strdup_printf("%s/interrupt-controller", cpu_name);
- qemu_fdt_add_subnode(mc->fdt, intc_name);
- qemu_fdt_setprop_cell(mc->fdt, intc_name, "phandle",
- intc_phandles[cpu]);
- if (riscv_feature(&s->soc[socket].harts[cpu].env,
- RISCV_FEATURE_AIA)) {
- static const char * const compat[2] = {
- "riscv,cpu-intc-aia", "riscv,cpu-intc"
- };
- qemu_fdt_setprop_string_array(mc->fdt, intc_name, "compatible",
- (char **)&compat, ARRAY_SIZE(compat));
- } else {
- qemu_fdt_setprop_string(mc->fdt, intc_name, "compatible",
- "riscv,cpu-intc");
- }
- qemu_fdt_setprop(mc->fdt, intc_name, "interrupt-controller", NULL, 0);
- qemu_fdt_setprop_cell(mc->fdt, intc_name, "#interrupt-cells", 1);
-
- core_name = g_strdup_printf("%s/core%d", clust_name, cpu);
- qemu_fdt_add_subnode(mc->fdt, core_name);
- qemu_fdt_setprop_cell(mc->fdt, core_name, "cpu", cpu_phandle);
-
- g_free(core_name);
- g_free(intc_name);
- g_free(cpu_name);
- }
-}
-
-static void create_fdt_socket_memory(RISCVVirtState *s,
- const MemMapEntry *memmap, int socket)
-{
- char *mem_name;
- uint64_t addr, size;
- MachineState *mc = MACHINE(s);
-
- addr = memmap[VIRT_DRAM].base + riscv_socket_mem_offset(mc, socket);
- size = riscv_socket_mem_size(mc, socket);
- mem_name = g_strdup_printf("/memory@%lx", (long)addr);
- qemu_fdt_add_subnode(mc->fdt, mem_name);
- qemu_fdt_setprop_cells(mc->fdt, mem_name, "reg",
- addr >> 32, addr, size >> 32, size);
- qemu_fdt_setprop_string(mc->fdt, mem_name, "device_type", "memory");
- riscv_socket_fdt_write_id(mc, mc->fdt, mem_name, socket);
- g_free(mem_name);
-}
-
static void create_fdt_socket_clint(RISCVVirtState *s,
const MemMapEntry *memmap, int socket,
uint32_t *intc_phandles)
@@ -472,138 +343,6 @@ static void create_fdt_socket_plic(RISCVVirtState *s,
g_free(plic_cells);
}
-static uint32_t imsic_num_bits(uint32_t count)
-{
- uint32_t ret = 0;
-
- while (BIT(ret) < count) {
- ret++;
- }
-
- return ret;
-}
-
-static void create_fdt_imsic(RISCVVirtState *s, const MemMapEntry *memmap,
- uint32_t *phandle, uint32_t *intc_phandles,
- uint32_t *msi_m_phandle, uint32_t *msi_s_phandle)
-{
- int cpu, socket;
- char *imsic_name;
- MachineState *mc = MACHINE(s);
- uint32_t imsic_max_hart_per_socket, imsic_guest_bits;
- uint32_t *imsic_cells, *imsic_regs, imsic_addr, imsic_size;
-
- *msi_m_phandle = (*phandle)++;
- *msi_s_phandle = (*phandle)++;
- imsic_cells = g_new0(uint32_t, mc->smp.cpus * 2);
- imsic_regs = g_new0(uint32_t, riscv_socket_count(mc) * 4);
-
- /* M-level IMSIC node */
- for (cpu = 0; cpu < mc->smp.cpus; cpu++) {
- imsic_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]);
- imsic_cells[cpu * 2 + 1] = cpu_to_be32(IRQ_M_EXT);
- }
- imsic_max_hart_per_socket = 0;
- for (socket = 0; socket < riscv_socket_count(mc); socket++) {
- imsic_addr = memmap[VIRT_IMSIC_M].base +
- socket * VIRT_IMSIC_GROUP_MAX_SIZE;
- imsic_size = IMSIC_HART_SIZE(0) * s->soc[socket].num_harts;
- imsic_regs[socket * 4 + 0] = 0;
- imsic_regs[socket * 4 + 1] = cpu_to_be32(imsic_addr);
- imsic_regs[socket * 4 + 2] = 0;
- imsic_regs[socket * 4 + 3] = cpu_to_be32(imsic_size);
- if (imsic_max_hart_per_socket < s->soc[socket].num_harts) {
- imsic_max_hart_per_socket = s->soc[socket].num_harts;
- }
- }
- imsic_name = g_strdup_printf("/soc/imsics@%lx",
- (unsigned long)memmap[VIRT_IMSIC_M].base);
- qemu_fdt_add_subnode(mc->fdt, imsic_name);
- qemu_fdt_setprop_string(mc->fdt, imsic_name, "compatible",
- "riscv,imsics");
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "#interrupt-cells",
- FDT_IMSIC_INT_CELLS);
- qemu_fdt_setprop(mc->fdt, imsic_name, "interrupt-controller",
- NULL, 0);
- qemu_fdt_setprop(mc->fdt, imsic_name, "msi-controller",
- NULL, 0);
- qemu_fdt_setprop(mc->fdt, imsic_name, "interrupts-extended",
- imsic_cells, mc->smp.cpus * sizeof(uint32_t) * 2);
- qemu_fdt_setprop(mc->fdt, imsic_name, "reg", imsic_regs,
- riscv_socket_count(mc) * sizeof(uint32_t) * 4);
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,num-ids",
- VIRT_IRQCHIP_NUM_MSIS);
- qemu_fdt_setprop_cells(mc->fdt, imsic_name, "riscv,ipi-id",
- VIRT_IRQCHIP_IPI_MSI);
- if (riscv_socket_count(mc) > 1) {
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,hart-index-bits",
- imsic_num_bits(imsic_max_hart_per_socket));
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,group-index-bits",
- imsic_num_bits(riscv_socket_count(mc)));
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,group-index-shift",
- IMSIC_MMIO_GROUP_MIN_SHIFT);
- }
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "phandle", *msi_m_phandle);
- g_free(imsic_name);
-
- /* S-level IMSIC node */
- for (cpu = 0; cpu < mc->smp.cpus; cpu++) {
- imsic_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]);
- imsic_cells[cpu * 2 + 1] = cpu_to_be32(IRQ_S_EXT);
- }
- imsic_guest_bits = imsic_num_bits(s->aia_guests + 1);
- imsic_max_hart_per_socket = 0;
- for (socket = 0; socket < riscv_socket_count(mc); socket++) {
- imsic_addr = memmap[VIRT_IMSIC_S].base +
- socket * VIRT_IMSIC_GROUP_MAX_SIZE;
- imsic_size = IMSIC_HART_SIZE(imsic_guest_bits) *
- s->soc[socket].num_harts;
- imsic_regs[socket * 4 + 0] = 0;
- imsic_regs[socket * 4 + 1] = cpu_to_be32(imsic_addr);
- imsic_regs[socket * 4 + 2] = 0;
- imsic_regs[socket * 4 + 3] = cpu_to_be32(imsic_size);
- if (imsic_max_hart_per_socket < s->soc[socket].num_harts) {
- imsic_max_hart_per_socket = s->soc[socket].num_harts;
- }
- }
- imsic_name = g_strdup_printf("/soc/imsics@%lx",
- (unsigned long)memmap[VIRT_IMSIC_S].base);
- qemu_fdt_add_subnode(mc->fdt, imsic_name);
- qemu_fdt_setprop_string(mc->fdt, imsic_name, "compatible",
- "riscv,imsics");
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "#interrupt-cells",
- FDT_IMSIC_INT_CELLS);
- qemu_fdt_setprop(mc->fdt, imsic_name, "interrupt-controller",
- NULL, 0);
- qemu_fdt_setprop(mc->fdt, imsic_name, "msi-controller",
- NULL, 0);
- qemu_fdt_setprop(mc->fdt, imsic_name, "interrupts-extended",
- imsic_cells, mc->smp.cpus * sizeof(uint32_t) * 2);
- qemu_fdt_setprop(mc->fdt, imsic_name, "reg", imsic_regs,
- riscv_socket_count(mc) * sizeof(uint32_t) * 4);
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,num-ids",
- VIRT_IRQCHIP_NUM_MSIS);
- qemu_fdt_setprop_cells(mc->fdt, imsic_name, "riscv,ipi-id",
- VIRT_IRQCHIP_IPI_MSI);
- if (imsic_guest_bits) {
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,guest-index-bits",
- imsic_guest_bits);
- }
- if (riscv_socket_count(mc) > 1) {
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,hart-index-bits",
- imsic_num_bits(imsic_max_hart_per_socket));
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,group-index-bits",
- imsic_num_bits(riscv_socket_count(mc)));
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,group-index-shift",
- IMSIC_MMIO_GROUP_MIN_SHIFT);
- }
- qemu_fdt_setprop_cell(mc->fdt, imsic_name, "phandle", *msi_s_phandle);
- g_free(imsic_name);
-
- g_free(imsic_regs);
- g_free(imsic_cells);
-}
-
static void create_fdt_socket_aplic(RISCVVirtState *s,
const MemMapEntry *memmap, int socket,
uint32_t msi_m_phandle,
@@ -699,6 +438,7 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap,
MachineState *mc = MACHINE(s);
uint32_t msi_m_phandle = 0, msi_s_phandle = 0;
uint32_t *intc_phandles, xplic_phandles[MAX_NODES];
+ ImsicInitData idata;
qemu_fdt_add_subnode(mc->fdt, "/cpus");
qemu_fdt_setprop_cell(mc->fdt, "/cpus", "timebase-frequency",
@@ -716,10 +456,10 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap,
clust_name = g_strdup_printf("/cpus/cpu-map/cluster%d", socket);
qemu_fdt_add_subnode(mc->fdt, clust_name);
- create_fdt_socket_cpus(s, socket, clust_name, phandle,
+ riscv_create_fdt_socket_cpus(mc, s->soc, socket, clust_name, phandle,
is_32_bit, &intc_phandles[phandle_pos]);
- create_fdt_socket_memory(s, memmap, socket);
+ riscv_create_fdt_socket_memory(mc, memmap[VIRT_DRAM].base, socket);
g_free(clust_name);
@@ -735,8 +475,17 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap,
}
if (s->aia_type == VIRT_AIA_TYPE_APLIC_IMSIC) {
- create_fdt_imsic(s, memmap, phandle, intc_phandles,
- &msi_m_phandle, &msi_s_phandle);
+ idata.imsic_m.base = memmap[VIRT_IMSIC_M].base;
+ idata.imsic_m.size = memmap[VIRT_IMSIC_M].size;
+ idata.imsic_s.base = memmap[VIRT_IMSIC_S].base;
+ idata.imsic_s.size = memmap[VIRT_IMSIC_S].size;
+ idata.group_max_size = VIRT_IMSIC_GROUP_MAX_SIZE;
+ idata.num_msi = VIRT_IRQCHIP_NUM_MSIS;
+ idata.ipi_msi = VIRT_IRQCHIP_IPI_MSI;
+ idata.num_guests = s->aia_guests;
+
+ riscv_create_fdt_imsic(mc, s->soc, phandle, intc_phandles,
+ &msi_m_phandle, &msi_s_phandle, &idata);
*msi_pcie_phandle = msi_s_phandle;
}
@@ -802,47 +551,6 @@ static void create_fdt_virtio(RISCVVirtState *s, const MemMapEntry *memmap,
}
}
-static void create_fdt_pcie(RISCVVirtState *s, const MemMapEntry *memmap,
- uint32_t irq_pcie_phandle,
- uint32_t msi_pcie_phandle)
-{
- char *name;
- MachineState *mc = MACHINE(s);
-
- name = g_strdup_printf("/soc/pci@%lx",
- (long) memmap[VIRT_PCIE_ECAM].base);
- qemu_fdt_add_subnode(mc->fdt, name);
- qemu_fdt_setprop_cell(mc->fdt, name, "#address-cells",
- FDT_PCI_ADDR_CELLS);
- qemu_fdt_setprop_cell(mc->fdt, name, "#interrupt-cells",
- FDT_PCI_INT_CELLS);
- qemu_fdt_setprop_cell(mc->fdt, name, "#size-cells", 0x2);
- qemu_fdt_setprop_string(mc->fdt, name, "compatible",
- "pci-host-ecam-generic");
- qemu_fdt_setprop_string(mc->fdt, name, "device_type", "pci");
- qemu_fdt_setprop_cell(mc->fdt, name, "linux,pci-domain", 0);
- qemu_fdt_setprop_cells(mc->fdt, name, "bus-range", 0,
- memmap[VIRT_PCIE_ECAM].size / PCIE_MMCFG_SIZE_MIN - 1);
- qemu_fdt_setprop(mc->fdt, name, "dma-coherent", NULL, 0);
- if (s->aia_type == VIRT_AIA_TYPE_APLIC_IMSIC) {
- qemu_fdt_setprop_cell(mc->fdt, name, "msi-parent", msi_pcie_phandle);
- }
- qemu_fdt_setprop_cells(mc->fdt, name, "reg", 0,
- memmap[VIRT_PCIE_ECAM].base, 0, memmap[VIRT_PCIE_ECAM].size);
- qemu_fdt_setprop_sized_cells(mc->fdt, name, "ranges",
- 1, FDT_PCI_RANGE_IOPORT, 2, 0,
- 2, memmap[VIRT_PCIE_PIO].base, 2, memmap[VIRT_PCIE_PIO].size,
- 1, FDT_PCI_RANGE_MMIO,
- 2, memmap[VIRT_PCIE_MMIO].base,
- 2, memmap[VIRT_PCIE_MMIO].base, 2, memmap[VIRT_PCIE_MMIO].size,
- 1, FDT_PCI_RANGE_MMIO_64BIT,
- 2, virt_high_pcie_memmap.base,
- 2, virt_high_pcie_memmap.base, 2, virt_high_pcie_memmap.size);
-
- create_pcie_irq_map(s, mc->fdt, name, irq_pcie_phandle);
- g_free(name);
-}
-
static void create_fdt_reset(RISCVVirtState *s, const MemMapEntry *memmap,
uint32_t *phandle)
{
@@ -948,12 +656,26 @@ static void create_fdt_flash(RISCVVirtState *s, const MemMapEntry *memmap)
g_free(name);
}
+static void copy_memmap_to_pciedata(const MemMapEntry *memmap,
+ PcieInitData *pdata)
+{
+ pdata->pcie_ecam.base = memmap[VIRT_PCIE_ECAM].base;
+ pdata->pcie_ecam.size = memmap[VIRT_PCIE_ECAM].size;
+ pdata->pcie_pio.base = memmap[VIRT_PCIE_PIO].base;
+ pdata->pcie_pio.size = memmap[VIRT_PCIE_PIO].size;
+ pdata->pcie_mmio.base = memmap[VIRT_PCIE_MMIO].base;
+ pdata->pcie_mmio.size = memmap[VIRT_PCIE_MMIO].size;
+ pdata->pcie_high_mmio.base = virt_high_pcie_memmap.base;
+ pdata->pcie_high_mmio.size = virt_high_pcie_memmap.size;
+}
+
static void create_fdt(RISCVVirtState *s, const MemMapEntry *memmap,
uint64_t mem_size, const char *cmdline, bool is_32_bit)
{
MachineState *mc = MACHINE(s);
uint32_t phandle = 1, irq_mmio_phandle = 1, msi_pcie_phandle = 1;
uint32_t irq_pcie_phandle = 1, irq_virtio_phandle = 1;
+ PcieInitData pdata;
if (mc->dtb) {
mc->fdt = load_device_tree(mc->dtb, &s->fdt_size);
@@ -987,7 +709,9 @@ static void create_fdt(RISCVVirtState *s, const MemMapEntry *memmap,
create_fdt_virtio(s, memmap, irq_virtio_phandle);
- create_fdt_pcie(s, memmap, irq_pcie_phandle, msi_pcie_phandle);
+ pdata.irq_type = riscv_get_irq_type(s->aia_type);
+ copy_memmap_to_pciedata(memmap, &pdata);
+ riscv_create_fdt_pcie(mc, &pdata, irq_pcie_phandle, msi_pcie_phandle);
create_fdt_reset(s, memmap, &phandle);
@@ -1003,55 +727,6 @@ update_bootargs:
}
}
-static inline DeviceState *gpex_pcie_init(MemoryRegion *sys_mem,
- hwaddr ecam_base, hwaddr ecam_size,
- hwaddr mmio_base, hwaddr mmio_size,
- hwaddr high_mmio_base,
- hwaddr high_mmio_size,
- hwaddr pio_base,
- DeviceState *irqchip)
-{
- DeviceState *dev;
- MemoryRegion *ecam_alias, *ecam_reg;
- MemoryRegion *mmio_alias, *high_mmio_alias, *mmio_reg;
- qemu_irq irq;
- int i;
-
- dev = qdev_new(TYPE_GPEX_HOST);
-
- sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
-
- ecam_alias = g_new0(MemoryRegion, 1);
- ecam_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
- memory_region_init_alias(ecam_alias, OBJECT(dev), "pcie-ecam",
- ecam_reg, 0, ecam_size);
- memory_region_add_subregion(get_system_memory(), ecam_base, ecam_alias);
-
- mmio_alias = g_new0(MemoryRegion, 1);
- mmio_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1);
- memory_region_init_alias(mmio_alias, OBJECT(dev), "pcie-mmio",
- mmio_reg, mmio_base, mmio_size);
- memory_region_add_subregion(get_system_memory(), mmio_base, mmio_alias);
-
- /* Map high MMIO space */
- high_mmio_alias = g_new0(MemoryRegion, 1);
- memory_region_init_alias(high_mmio_alias, OBJECT(dev), "pcie-mmio-high",
- mmio_reg, high_mmio_base, high_mmio_size);
- memory_region_add_subregion(get_system_memory(), high_mmio_base,
- high_mmio_alias);
-
- sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, pio_base);
-
- for (i = 0; i < GPEX_NUM_IRQS; i++) {
- irq = qdev_get_gpio_in(irqchip, PCIE_IRQ + i);
-
- sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, irq);
- gpex_set_irq_num(GPEX_HOST(dev), i, PCIE_IRQ + i);
- }
-
- return dev;
-}
-
static FWCfgState *create_fw_cfg(const MachineState *mc)
{
hwaddr base = virt_memmap[VIRT_FW_CFG].base;
@@ -1122,7 +797,7 @@ static DeviceState *virt_create_aia(RISCVVirtAIAType aia_type, int aia_guests,
}
/* Per-socket S-level IMSICs */
- guest_bits = imsic_num_bits(aia_guests + 1);
+ guest_bits = riscv_imsic_num_bits(aia_guests + 1);
addr = memmap[VIRT_IMSIC_S].base + socket * VIRT_IMSIC_GROUP_MAX_SIZE;
for (i = 0; i < hart_count; i++) {
riscv_imsic_create(addr + i * IMSIC_HART_SIZE(guest_bits),
@@ -1169,6 +844,7 @@ static void virt_machine_init(MachineState *machine)
uint64_t kernel_entry;
DeviceState *mmio_irqchip, *virtio_irqchip, *pcie_irqchip;
int i, base_hartid, hart_count;
+ PcieInitData pdata;
/* Check socket count limit */
if (VIRT_SOCKETS_MAX < riscv_socket_count(machine)) {
@@ -1392,15 +1068,8 @@ static void virt_machine_init(MachineState *machine)
qdev_get_gpio_in(DEVICE(virtio_irqchip), VIRTIO_IRQ + i));
}
- gpex_pcie_init(system_memory,
- memmap[VIRT_PCIE_ECAM].base,
- memmap[VIRT_PCIE_ECAM].size,
- memmap[VIRT_PCIE_MMIO].base,
- memmap[VIRT_PCIE_MMIO].size,
- virt_high_pcie_memmap.base,
- virt_high_pcie_memmap.size,
- memmap[VIRT_PCIE_PIO].base,
- DEVICE(pcie_irqchip));
+ copy_memmap_to_pciedata(memmap, &pdata);
+ riscv_gpex_pcie_intx_init(system_memory, &pdata, DEVICE(pcie_irqchip));
serial_mm_init(system_memory, memmap[VIRT_UART0].base,
0, qdev_get_gpio_in(DEVICE(mmio_irqchip), UART0_IRQ), 399193,
new file mode 100644
@@ -0,0 +1,87 @@
+/*
+ * QEMU RISC-V Machine common helper functions
+ *
+ * Copyright (c) 2022 Rivos, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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/>.
+ */
+
+#ifndef HW_RISCV_MACHINE_HELPER_H
+#define HW_RISCV_MACHINE_HELPER_H
+
+#include "hw/riscv/riscv_hart.h"
+#include "hw/riscv/virt.h"
+#include "hw/sysbus.h"
+#include "qom/object.h"
+#include "exec/memory.h"
+
+#define FDT_PCI_ADDR_CELLS 3
+#define FDT_PCI_INT_CELLS 1
+#define FDT_PLIC_INT_CELLS 1
+#define FDT_APLIC_INT_CELLS 2
+#define FDT_IMSIC_INT_CELLS 0
+#define FDT_MAX_INT_CELLS 2
+#define FDT_MAX_INT_MAP_WIDTH (FDT_PCI_ADDR_CELLS + FDT_PCI_INT_CELLS + \
+ 1 + FDT_MAX_INT_CELLS)
+#define FDT_PLIC_INT_MAP_WIDTH (FDT_PCI_ADDR_CELLS + FDT_PCI_INT_CELLS + \
+ 1 + FDT_PLIC_INT_CELLS)
+#define FDT_APLIC_INT_MAP_WIDTH (FDT_PCI_ADDR_CELLS + FDT_PCI_INT_CELLS + \
+ 1 + FDT_APLIC_INT_CELLS)
+
+typedef enum RISCV_IRQ_TYPE {
+ RISCV_IRQ_WIRED_PLIC = 0,
+ RISCV_IRQ_WIRED_APLIC,
+ RISCV_IRQ_WIRED_MSI,
+ RISCV_IRQ_MSI_ONLY,
+ RISCV_IRQ_INVALID
+} RISCV_IRQ_TYPE;
+
+typedef struct ImsicInitData {
+ MemMapEntry imsic_m;
+ MemMapEntry imsic_s;
+ uint32_t group_max_size;
+ uint32_t num_msi;
+ uint32_t ipi_msi;
+ uint32_t num_guests;
+} ImsicInitData;
+
+typedef struct PcieInitData {
+ MemMapEntry pcie_ecam;
+ MemMapEntry pcie_pio;
+ MemMapEntry pcie_mmio;
+ MemMapEntry pcie_high_mmio;
+ RISCV_IRQ_TYPE irq_type;
+} PcieInitData;
+
+uint32_t riscv_imsic_num_bits(uint32_t count);
+void riscv_create_fdt_imsic(MachineState *mc, RISCVHartArrayState *soc,
+ uint32_t *phandle, uint32_t *intc_phandles,
+ uint32_t *msi_m_phandle, uint32_t *msi_s_phandle,
+ ImsicInitData *data);
+void riscv_create_fdt_pcie(MachineState *mc, const PcieInitData *data,
+ uint32_t irq_pcie_phandle,
+ uint32_t msi_pcie_phandle);
+DeviceState *riscv_gpex_pcie_intx_init(MemoryRegion *sys_mem,
+ PcieInitData *data,
+ DeviceState *irqchip);
+DeviceState *riscv_gpex_pcie_msi_init(MemoryRegion *sys_mem,
+ PcieInitData *data);
+void riscv_create_fdt_socket_cpus(MachineState *mc, RISCVHartArrayState *soc,
+ int socket, char *clust_name,
+ uint32_t *phandle, bool is_32_bit,
+ uint32_t *intc_phandles);
+void riscv_create_fdt_socket_memory(MachineState *mc, hwaddr dram_base,
+ int socket);
+RISCV_IRQ_TYPE riscv_get_irq_type(RISCVVirtAIAType virt_aia_type);
+
+#endif
@@ -103,17 +103,4 @@ enum {
#define VIRT_PLIC_SIZE(__num_context) \
(VIRT_PLIC_CONTEXT_BASE + (__num_context) * VIRT_PLIC_CONTEXT_STRIDE)
-#define FDT_PCI_ADDR_CELLS 3
-#define FDT_PCI_INT_CELLS 1
-#define FDT_PLIC_INT_CELLS 1
-#define FDT_APLIC_INT_CELLS 2
-#define FDT_IMSIC_INT_CELLS 0
-#define FDT_MAX_INT_CELLS 2
-#define FDT_MAX_INT_MAP_WIDTH (FDT_PCI_ADDR_CELLS + FDT_PCI_INT_CELLS + \
- 1 + FDT_MAX_INT_CELLS)
-#define FDT_PLIC_INT_MAP_WIDTH (FDT_PCI_ADDR_CELLS + FDT_PCI_INT_CELLS + \
- 1 + FDT_PLIC_INT_CELLS)
-#define FDT_APLIC_INT_MAP_WIDTH (FDT_PCI_ADDR_CELLS + FDT_PCI_INT_CELLS + \
- 1 + FDT_APLIC_INT_CELLS)
-
#endif
The virt machine has many generic functions that can be used by other machines. Move these functions to a helper file so that other machines can use it in the future. Signed-off-by: Atish Patra <atishp@rivosinc.com> --- hw/riscv/machine_helper.c | 417 ++++++++++++++++++++++++++++++ hw/riscv/meson.build | 1 + hw/riscv/virt.c | 403 +++-------------------------- include/hw/riscv/machine_helper.h | 87 +++++++ include/hw/riscv/virt.h | 13 - 5 files changed, 541 insertions(+), 380 deletions(-) create mode 100644 hw/riscv/machine_helper.c create mode 100644 include/hw/riscv/machine_helper.h