#include "hw/sysbus.h"
#include "hw/arm/arm.h"
#include "hw/arm/primecell.h"
+#include "hw/arm/virt.h"
#include "hw/devices.h"
#include "net/net.h"
#include "sysemu/block-backend.h"
#include "qemu/bitops.h"
#include "qemu/error-report.h"
#include "hw/pci-host/gpex.h"
-
-#define NUM_VIRTIO_TRANSPORTS 32
+#include "hw/arm/virt-acpi-build.h"
+#include "hw/arm/sysbus-fdt.h"
+#include "hw/platform-bus.h"
+#include "hw/arm/fdt.h"
+#include "hw/intc/arm_gic_common.h"
+#include "kvm_arm.h"
+#include "hw/smbios/smbios.h"
+#include "qapi/visitor.h"
/* Number of external interrupt lines to configure the GIC with */
-#define NUM_IRQS 128
-
-#define GIC_FDT_IRQ_TYPE_SPI 0
-#define GIC_FDT_IRQ_TYPE_PPI 1
-
-#define GIC_FDT_IRQ_FLAGS_EDGE_LO_HI 1
-#define GIC_FDT_IRQ_FLAGS_EDGE_HI_LO 2
-#define GIC_FDT_IRQ_FLAGS_LEVEL_HI 4
-#define GIC_FDT_IRQ_FLAGS_LEVEL_LO 8
-
-#define GIC_FDT_IRQ_PPI_CPU_START 8
-#define GIC_FDT_IRQ_PPI_CPU_WIDTH 8
-
-enum {
- VIRT_FLASH,
- VIRT_MEM,
- VIRT_CPUPERIPHS,
- VIRT_GIC_DIST,
- VIRT_GIC_CPU,
- VIRT_UART,
- VIRT_MMIO,
- VIRT_RTC,
- VIRT_FW_CFG,
- VIRT_PCIE,
-};
+#define NUM_IRQS 256
-typedef struct MemMapEntry {
- hwaddr base;
- hwaddr size;
-} MemMapEntry;
+#define PLATFORM_BUS_NUM_IRQS 64
+
+static ARMPlatformBusSystemParams platform_bus_params;
typedef struct VirtBoardInfo {
struct arm_boot_info bootinfo;
void *fdt;
int fdt_size;
uint32_t clock_phandle;
+ uint32_t gic_phandle;
+ uint32_t v2m_phandle;
} VirtBoardInfo;
typedef struct {
typedef struct {
MachineState parent;
bool secure;
+ bool highmem;
+ int32_t gic_version;
} VirtMachineState;
-#define TYPE_VIRT_MACHINE "virt"
+#define TYPE_VIRT_MACHINE MACHINE_TYPE_NAME("virt")
#define VIRT_MACHINE(obj) \
OBJECT_CHECK(VirtMachineState, (obj), TYPE_VIRT_MACHINE)
#define VIRT_MACHINE_GET_CLASS(obj) \
*/
static const MemMapEntry a15memmap[] = {
/* Space up to 0x8000000 is reserved for a boot ROM */
- [VIRT_FLASH] = { 0, 0x08000000 },
- [VIRT_CPUPERIPHS] = { 0x08000000, 0x00020000 },
+ [VIRT_FLASH] = { 0, 0x08000000 },
+ [VIRT_CPUPERIPHS] = { 0x08000000, 0x00020000 },
/* GIC distributor and CPU interfaces sit inside the CPU peripheral space */
- [VIRT_GIC_DIST] = { 0x08000000, 0x00010000 },
- [VIRT_GIC_CPU] = { 0x08010000, 0x00010000 },
- [VIRT_UART] = { 0x09000000, 0x00001000 },
- [VIRT_RTC] = { 0x09010000, 0x00001000 },
- [VIRT_FW_CFG] = { 0x09020000, 0x0000000a },
- [VIRT_MMIO] = { 0x0a000000, 0x00000200 },
+ [VIRT_GIC_DIST] = { 0x08000000, 0x00010000 },
+ [VIRT_GIC_CPU] = { 0x08010000, 0x00010000 },
+ [VIRT_GIC_V2M] = { 0x08020000, 0x00001000 },
+ /* The space in between here is reserved for GICv3 CPU/vCPU/HYP */
+ [VIRT_GIC_ITS] = { 0x08080000, 0x00020000 },
+ /* This redistributor space allows up to 2*64kB*123 CPUs */
+ [VIRT_GIC_REDIST] = { 0x080A0000, 0x00F60000 },
+ [VIRT_UART] = { 0x09000000, 0x00001000 },
+ [VIRT_RTC] = { 0x09010000, 0x00001000 },
+ [VIRT_FW_CFG] = { 0x09020000, 0x0000000a },
+ [VIRT_MMIO] = { 0x0a000000, 0x00000200 },
/* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that size */
- /*
- * PCIE verbose map:
- *
- * MMIO window { 0x10000000, 0x2eff0000 },
- * PIO window { 0x3eff0000, 0x00010000 },
- * ECAM { 0x3f000000, 0x01000000 },
- */
- [VIRT_PCIE] = { 0x10000000, 0x30000000 },
- [VIRT_MEM] = { 0x40000000, 30ULL * 1024 * 1024 * 1024 },
+ [VIRT_PLATFORM_BUS] = { 0x0c000000, 0x02000000 },
+ [VIRT_PCIE_MMIO] = { 0x10000000, 0x2eff0000 },
+ [VIRT_PCIE_PIO] = { 0x3eff0000, 0x00010000 },
+ [VIRT_PCIE_ECAM] = { 0x3f000000, 0x01000000 },
+ [VIRT_MEM] = { 0x40000000, 30ULL * 1024 * 1024 * 1024 },
+ /* Second PCIe window, 512GB wide at the 512GB boundary */
+ [VIRT_PCIE_MMIO_HIGH] = { 0x8000000000ULL, 0x8000000000ULL },
};
static const int a15irqmap[] = {
[VIRT_RTC] = 2,
[VIRT_PCIE] = 3, /* ... to 6 */
[VIRT_MMIO] = 16, /* ...to 16 + NUM_VIRTIO_TRANSPORTS - 1 */
+ [VIRT_GIC_V2M] = 48, /* ...to 48 + NUM_GICV2M_SPIS - 1 */
+ [VIRT_PLATFORM_BUS] = 112, /* ...to 112 + PLATFORM_BUS_NUM_IRQS -1 */
};
static VirtBoardInfo machines[] = {
.memmap = a15memmap,
.irqmap = a15irqmap,
},
+ {
+ .cpu_model = "cortex-a53",
+ .memmap = a15memmap,
+ .irqmap = a15irqmap,
+ },
{
.cpu_model = "cortex-a57",
.memmap = a15memmap,
qemu_fdt_setprop_cell(fdt, "/psci", "migrate", migrate_fn);
}
-static void fdt_add_timer_nodes(const VirtBoardInfo *vbi)
+static void fdt_add_timer_nodes(const VirtBoardInfo *vbi, int gictype)
{
/* Note that on A15 h/w these interrupts are level-triggered,
* but for the GIC implementation provided by both QEMU and KVM
ARMCPU *armcpu;
uint32_t irqflags = GIC_FDT_IRQ_FLAGS_EDGE_LO_HI;
- irqflags = deposit32(irqflags, GIC_FDT_IRQ_PPI_CPU_START,
- GIC_FDT_IRQ_PPI_CPU_WIDTH, (1 << vbi->smp_cpus) - 1);
+ if (gictype == 2) {
+ irqflags = deposit32(irqflags, GIC_FDT_IRQ_PPI_CPU_START,
+ GIC_FDT_IRQ_PPI_CPU_WIDTH,
+ (1 << vbi->smp_cpus) - 1);
+ }
qemu_fdt_add_subnode(vbi->fdt, "/timer");
"arm,armv7-timer");
}
qemu_fdt_setprop_cells(vbi->fdt, "/timer", "interrupts",
- GIC_FDT_IRQ_TYPE_PPI, 13, irqflags,
- GIC_FDT_IRQ_TYPE_PPI, 14, irqflags,
- GIC_FDT_IRQ_TYPE_PPI, 11, irqflags,
- GIC_FDT_IRQ_TYPE_PPI, 10, irqflags);
+ GIC_FDT_IRQ_TYPE_PPI, ARCH_TIMER_S_EL1_IRQ, irqflags,
+ GIC_FDT_IRQ_TYPE_PPI, ARCH_TIMER_NS_EL1_IRQ, irqflags,
+ GIC_FDT_IRQ_TYPE_PPI, ARCH_TIMER_VIRT_IRQ, irqflags,
+ GIC_FDT_IRQ_TYPE_PPI, ARCH_TIMER_NS_EL2_IRQ, irqflags);
}
static void fdt_add_cpu_nodes(const VirtBoardInfo *vbi)
{
int cpu;
+ int addr_cells = 1;
+
+ /*
+ * From Documentation/devicetree/bindings/arm/cpus.txt
+ * On ARM v8 64-bit systems value should be set to 2,
+ * that corresponds to the MPIDR_EL1 register size.
+ * If MPIDR_EL1[63:32] value is equal to 0 on all CPUs
+ * in the system, #address-cells can be set to 1, since
+ * MPIDR_EL1[63:32] bits are not used for CPUs
+ * identification.
+ *
+ * Here we actually don't know whether our system is 32- or 64-bit one.
+ * The simplest way to go is to examine affinity IDs of all our CPUs. If
+ * at least one of them has Aff3 populated, we set #address-cells to 2.
+ */
+ for (cpu = 0; cpu < vbi->smp_cpus; cpu++) {
+ ARMCPU *armcpu = ARM_CPU(qemu_get_cpu(cpu));
+
+ if (armcpu->mp_affinity & ARM_AFF3_MASK) {
+ addr_cells = 2;
+ break;
+ }
+ }
qemu_fdt_add_subnode(vbi->fdt, "/cpus");
- qemu_fdt_setprop_cell(vbi->fdt, "/cpus", "#address-cells", 0x1);
+ qemu_fdt_setprop_cell(vbi->fdt, "/cpus", "#address-cells", addr_cells);
qemu_fdt_setprop_cell(vbi->fdt, "/cpus", "#size-cells", 0x0);
for (cpu = vbi->smp_cpus - 1; cpu >= 0; cpu--) {
"enable-method", "psci");
}
- qemu_fdt_setprop_cell(vbi->fdt, nodename, "reg", cpu);
+ if (addr_cells == 2) {
+ qemu_fdt_setprop_u64(vbi->fdt, nodename, "reg",
+ armcpu->mp_affinity);
+ } else {
+ qemu_fdt_setprop_cell(vbi->fdt, nodename, "reg",
+ armcpu->mp_affinity);
+ }
+
g_free(nodename);
}
}
-static uint32_t fdt_add_gic_node(const VirtBoardInfo *vbi)
+static void fdt_add_v2m_gic_node(VirtBoardInfo *vbi)
{
- uint32_t gic_phandle;
+ vbi->v2m_phandle = qemu_fdt_alloc_phandle(vbi->fdt);
+ qemu_fdt_add_subnode(vbi->fdt, "/intc/v2m");
+ qemu_fdt_setprop_string(vbi->fdt, "/intc/v2m", "compatible",
+ "arm,gic-v2m-frame");
+ qemu_fdt_setprop(vbi->fdt, "/intc/v2m", "msi-controller", NULL, 0);
+ qemu_fdt_setprop_sized_cells(vbi->fdt, "/intc/v2m", "reg",
+ 2, vbi->memmap[VIRT_GIC_V2M].base,
+ 2, vbi->memmap[VIRT_GIC_V2M].size);
+ qemu_fdt_setprop_cell(vbi->fdt, "/intc/v2m", "phandle", vbi->v2m_phandle);
+}
- gic_phandle = qemu_fdt_alloc_phandle(vbi->fdt);
- qemu_fdt_setprop_cell(vbi->fdt, "/", "interrupt-parent", gic_phandle);
+static void fdt_add_gic_node(VirtBoardInfo *vbi, int type)
+{
+ vbi->gic_phandle = qemu_fdt_alloc_phandle(vbi->fdt);
+ qemu_fdt_setprop_cell(vbi->fdt, "/", "interrupt-parent", vbi->gic_phandle);
qemu_fdt_add_subnode(vbi->fdt, "/intc");
- /* 'cortex-a15-gic' means 'GIC v2' */
- qemu_fdt_setprop_string(vbi->fdt, "/intc", "compatible",
- "arm,cortex-a15-gic");
qemu_fdt_setprop_cell(vbi->fdt, "/intc", "#interrupt-cells", 3);
qemu_fdt_setprop(vbi->fdt, "/intc", "interrupt-controller", NULL, 0);
- qemu_fdt_setprop_sized_cells(vbi->fdt, "/intc", "reg",
+ qemu_fdt_setprop_cell(vbi->fdt, "/intc", "#address-cells", 0x2);
+ qemu_fdt_setprop_cell(vbi->fdt, "/intc", "#size-cells", 0x2);
+ qemu_fdt_setprop(vbi->fdt, "/intc", "ranges", NULL, 0);
+ if (type == 3) {
+ qemu_fdt_setprop_string(vbi->fdt, "/intc", "compatible",
+ "arm,gic-v3");
+ qemu_fdt_setprop_sized_cells(vbi->fdt, "/intc", "reg",
2, vbi->memmap[VIRT_GIC_DIST].base,
2, vbi->memmap[VIRT_GIC_DIST].size,
- 2, vbi->memmap[VIRT_GIC_CPU].base,
- 2, vbi->memmap[VIRT_GIC_CPU].size);
- qemu_fdt_setprop_cell(vbi->fdt, "/intc", "phandle", gic_phandle);
+ 2, vbi->memmap[VIRT_GIC_REDIST].base,
+ 2, vbi->memmap[VIRT_GIC_REDIST].size);
+ } else {
+ /* 'cortex-a15-gic' means 'GIC v2' */
+ qemu_fdt_setprop_string(vbi->fdt, "/intc", "compatible",
+ "arm,cortex-a15-gic");
+ qemu_fdt_setprop_sized_cells(vbi->fdt, "/intc", "reg",
+ 2, vbi->memmap[VIRT_GIC_DIST].base,
+ 2, vbi->memmap[VIRT_GIC_DIST].size,
+ 2, vbi->memmap[VIRT_GIC_CPU].base,
+ 2, vbi->memmap[VIRT_GIC_CPU].size);
+ }
- return gic_phandle;
+ qemu_fdt_setprop_cell(vbi->fdt, "/intc", "phandle", vbi->gic_phandle);
}
-static uint32_t create_gic(const VirtBoardInfo *vbi, qemu_irq *pic)
+static void create_v2m(VirtBoardInfo *vbi, qemu_irq *pic)
{
- /* We create a standalone GIC v2 */
+ int i;
+ int irq = vbi->irqmap[VIRT_GIC_V2M];
+ DeviceState *dev;
+
+ dev = qdev_create(NULL, "arm-gicv2m");
+ sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, vbi->memmap[VIRT_GIC_V2M].base);
+ qdev_prop_set_uint32(dev, "base-spi", irq);
+ qdev_prop_set_uint32(dev, "num-spi", NUM_GICV2M_SPIS);
+ qdev_init_nofail(dev);
+
+ for (i = 0; i < NUM_GICV2M_SPIS; i++) {
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, pic[irq + i]);
+ }
+
+ fdt_add_v2m_gic_node(vbi);
+}
+
+static void create_gic(VirtBoardInfo *vbi, qemu_irq *pic, int type, bool secure)
+{
+ /* We create a standalone GIC */
DeviceState *gicdev;
SysBusDevice *gicbusdev;
- const char *gictype = "arm_gic";
+ const char *gictype;
int i;
- if (kvm_irqchip_in_kernel()) {
- gictype = "kvm-arm-gic";
- }
+ gictype = (type == 3) ? gicv3_class_name() : gic_class_name();
gicdev = qdev_create(NULL, gictype);
- qdev_prop_set_uint32(gicdev, "revision", 2);
+ qdev_prop_set_uint32(gicdev, "revision", type);
qdev_prop_set_uint32(gicdev, "num-cpu", smp_cpus);
/* Note that the num-irq property counts both internal and external
* interrupts; there are always 32 of the former (mandated by GIC spec).
*/
qdev_prop_set_uint32(gicdev, "num-irq", NUM_IRQS + 32);
+ if (!kvm_irqchip_in_kernel()) {
+ qdev_prop_set_bit(gicdev, "has-security-extensions", secure);
+ }
qdev_init_nofail(gicdev);
gicbusdev = SYS_BUS_DEVICE(gicdev);
sysbus_mmio_map(gicbusdev, 0, vbi->memmap[VIRT_GIC_DIST].base);
- sysbus_mmio_map(gicbusdev, 1, vbi->memmap[VIRT_GIC_CPU].base);
+ if (type == 3) {
+ sysbus_mmio_map(gicbusdev, 1, vbi->memmap[VIRT_GIC_REDIST].base);
+ } else {
+ sysbus_mmio_map(gicbusdev, 1, vbi->memmap[VIRT_GIC_CPU].base);
+ }
/* Wire the outputs from each CPU's generic timer to the
* appropriate GIC PPI inputs, and the GIC's IRQ output to
*/
for (i = 0; i < smp_cpus; i++) {
DeviceState *cpudev = DEVICE(qemu_get_cpu(i));
- int ppibase = NUM_IRQS + i * 32;
- /* physical timer; we wire it up to the non-secure timer's ID,
- * since a real A15 always has TrustZone but QEMU doesn't.
+ int ppibase = NUM_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
+ int irq;
+ /* Mapping from the output timer irq lines from the CPU to the
+ * GIC PPI inputs we use for the virt board.
*/
- qdev_connect_gpio_out(cpudev, 0,
- qdev_get_gpio_in(gicdev, ppibase + 30));
- /* virtual timer */
- qdev_connect_gpio_out(cpudev, 1,
- qdev_get_gpio_in(gicdev, ppibase + 27));
+ const int timer_irq[] = {
+ [GTIMER_PHYS] = ARCH_TIMER_NS_EL1_IRQ,
+ [GTIMER_VIRT] = ARCH_TIMER_VIRT_IRQ,
+ [GTIMER_HYP] = ARCH_TIMER_NS_EL2_IRQ,
+ [GTIMER_SEC] = ARCH_TIMER_S_EL1_IRQ,
+ };
+
+ for (irq = 0; irq < ARRAY_SIZE(timer_irq); irq++) {
+ qdev_connect_gpio_out(cpudev, irq,
+ qdev_get_gpio_in(gicdev,
+ ppibase + timer_irq[irq]));
+ }
sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
+ sysbus_connect_irq(gicbusdev, i + smp_cpus,
+ qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
}
for (i = 0; i < NUM_IRQS; i++) {
pic[i] = qdev_get_gpio_in(gicdev, i);
}
- return fdt_add_gic_node(vbi);
+ fdt_add_gic_node(vbi, type);
+
+ if (type == 2) {
+ create_v2m(vbi, pic);
+ }
}
static void create_uart(const VirtBoardInfo *vbi, qemu_irq *pic)
qdev_prop_set_uint64(dev, "sector-length", sectorlength);
qdev_prop_set_uint8(dev, "width", 4);
qdev_prop_set_uint8(dev, "device-width", 2);
- qdev_prop_set_uint8(dev, "big-endian", 0);
+ qdev_prop_set_bit(dev, "big-endian", false);
qdev_prop_set_uint16(dev, "id0", 0x89);
qdev_prop_set_uint16(dev, "id1", 0x18);
qdev_prop_set_uint16(dev, "id2", 0x00);
if (bios_name) {
char *fn;
+ int image_size;
if (drive_get(IF_PFLASH, 0, 0)) {
error_report("The contents of the first flash device may be "
exit(1);
}
fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
- if (!fn || load_image_targphys(fn, flashbase, flashsize) < 0) {
- error_report("Could not load ROM image '%s'", bios_name);
+ if (!fn) {
+ error_report("Could not find ROM image '%s'", bios_name);
exit(1);
}
+ image_size = load_image_targphys(fn, flashbase, flashsize);
g_free(fn);
+ if (image_size < 0) {
+ error_report("Could not load ROM image '%s'", bios_name);
+ exit(1);
+ }
}
create_one_flash("virt.flash0", flashbase, flashsize);
int first_irq, const char *nodename)
{
int devfn, pin;
- uint32_t full_irq_map[4 * 4 * 8] = { 0 };
+ uint32_t full_irq_map[4 * 4 * 10] = { 0 };
uint32_t *irq_map = full_irq_map;
for (devfn = 0; devfn <= 0x18; devfn += 0x8) {
uint32_t map[] = {
devfn << 8, 0, 0, /* devfn */
pin + 1, /* PCI pin */
- gic_phandle, irq_type, irq_nr, irq_level }; /* GIC irq */
+ gic_phandle, 0, 0, irq_type, irq_nr, irq_level }; /* GIC irq */
/* Convert map to big endian */
- for (i = 0; i < 8; i++) {
+ for (i = 0; i < 10; i++) {
irq_map[i] = cpu_to_be32(map[i]);
}
- irq_map += 8;
+ irq_map += 10;
}
}
}
static void create_pcie(const VirtBoardInfo *vbi, qemu_irq *pic,
- uint32_t gic_phandle)
+ bool use_highmem)
{
- hwaddr base = vbi->memmap[VIRT_PCIE].base;
- hwaddr size = vbi->memmap[VIRT_PCIE].size;
- hwaddr end = base + size;
- hwaddr size_mmio;
- hwaddr size_ioport = 64 * 1024;
- int nr_pcie_buses = 16;
- hwaddr size_ecam = PCIE_MMCFG_SIZE_MIN * nr_pcie_buses;
- hwaddr base_mmio = base;
- hwaddr base_ioport;
- hwaddr base_ecam;
+ hwaddr base_mmio = vbi->memmap[VIRT_PCIE_MMIO].base;
+ hwaddr size_mmio = vbi->memmap[VIRT_PCIE_MMIO].size;
+ hwaddr base_mmio_high = vbi->memmap[VIRT_PCIE_MMIO_HIGH].base;
+ hwaddr size_mmio_high = vbi->memmap[VIRT_PCIE_MMIO_HIGH].size;
+ hwaddr base_pio = vbi->memmap[VIRT_PCIE_PIO].base;
+ hwaddr size_pio = vbi->memmap[VIRT_PCIE_PIO].size;
+ hwaddr base_ecam = vbi->memmap[VIRT_PCIE_ECAM].base;
+ hwaddr size_ecam = vbi->memmap[VIRT_PCIE_ECAM].size;
+ hwaddr base = base_mmio;
+ int nr_pcie_buses = size_ecam / PCIE_MMCFG_SIZE_MIN;
int irq = vbi->irqmap[VIRT_PCIE];
MemoryRegion *mmio_alias;
MemoryRegion *mmio_reg;
char *nodename;
int i;
- base_ecam = QEMU_ALIGN_DOWN(end - size_ecam, size_ecam);
- base_ioport = QEMU_ALIGN_DOWN(base_ecam - size_ioport, size_ioport);
- size_mmio = base_ioport - base;
-
dev = qdev_create(NULL, TYPE_GPEX_HOST);
qdev_init_nofail(dev);
mmio_reg, base_mmio, size_mmio);
memory_region_add_subregion(get_system_memory(), base_mmio, mmio_alias);
+ if (use_highmem) {
+ /* Map high MMIO space */
+ MemoryRegion *high_mmio_alias = g_new0(MemoryRegion, 1);
+
+ memory_region_init_alias(high_mmio_alias, OBJECT(dev), "pcie-mmio-high",
+ mmio_reg, base_mmio_high, size_mmio_high);
+ memory_region_add_subregion(get_system_memory(), base_mmio_high,
+ high_mmio_alias);
+ }
+
/* Map IO port space */
- sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, base_ioport);
+ sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, base_pio);
for (i = 0; i < GPEX_NUM_IRQS; i++) {
sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, pic[irq + i]);
qemu_fdt_setprop_cells(vbi->fdt, nodename, "bus-range", 0,
nr_pcie_buses - 1);
+ if (vbi->v2m_phandle) {
+ qemu_fdt_setprop_cells(vbi->fdt, nodename, "msi-parent",
+ vbi->v2m_phandle);
+ }
+
qemu_fdt_setprop_sized_cells(vbi->fdt, nodename, "reg",
2, base_ecam, 2, size_ecam);
- qemu_fdt_setprop_sized_cells(vbi->fdt, nodename, "ranges",
- 1, FDT_PCI_RANGE_IOPORT, 2, 0,
- 2, base_ioport, 2, size_ioport,
- 1, FDT_PCI_RANGE_MMIO, 2, base_mmio,
- 2, base_mmio, 2, size_mmio);
+
+ if (use_highmem) {
+ qemu_fdt_setprop_sized_cells(vbi->fdt, nodename, "ranges",
+ 1, FDT_PCI_RANGE_IOPORT, 2, 0,
+ 2, base_pio, 2, size_pio,
+ 1, FDT_PCI_RANGE_MMIO, 2, base_mmio,
+ 2, base_mmio, 2, size_mmio,
+ 1, FDT_PCI_RANGE_MMIO_64BIT,
+ 2, base_mmio_high,
+ 2, base_mmio_high, 2, size_mmio_high);
+ } else {
+ qemu_fdt_setprop_sized_cells(vbi->fdt, nodename, "ranges",
+ 1, FDT_PCI_RANGE_IOPORT, 2, 0,
+ 2, base_pio, 2, size_pio,
+ 1, FDT_PCI_RANGE_MMIO, 2, base_mmio,
+ 2, base_mmio, 2, size_mmio);
+ }
qemu_fdt_setprop_cell(vbi->fdt, nodename, "#interrupt-cells", 1);
- create_pcie_irq_map(vbi, gic_phandle, irq, nodename);
+ create_pcie_irq_map(vbi, vbi->gic_phandle, irq, nodename);
g_free(nodename);
}
+static void create_platform_bus(VirtBoardInfo *vbi, qemu_irq *pic)
+{
+ DeviceState *dev;
+ SysBusDevice *s;
+ int i;
+ ARMPlatformBusFDTParams *fdt_params = g_new(ARMPlatformBusFDTParams, 1);
+ MemoryRegion *sysmem = get_system_memory();
+
+ platform_bus_params.platform_bus_base = vbi->memmap[VIRT_PLATFORM_BUS].base;
+ platform_bus_params.platform_bus_size = vbi->memmap[VIRT_PLATFORM_BUS].size;
+ platform_bus_params.platform_bus_first_irq = vbi->irqmap[VIRT_PLATFORM_BUS];
+ platform_bus_params.platform_bus_num_irqs = PLATFORM_BUS_NUM_IRQS;
+
+ fdt_params->system_params = &platform_bus_params;
+ fdt_params->binfo = &vbi->bootinfo;
+ fdt_params->intc = "/intc";
+ /*
+ * register a machine init done notifier that creates the device tree
+ * nodes of the platform bus and its children dynamic sysbus devices
+ */
+ arm_register_platform_bus_fdt_creator(fdt_params);
+
+ dev = qdev_create(NULL, TYPE_PLATFORM_BUS_DEVICE);
+ dev->id = TYPE_PLATFORM_BUS_DEVICE;
+ qdev_prop_set_uint32(dev, "num_irqs",
+ platform_bus_params.platform_bus_num_irqs);
+ qdev_prop_set_uint32(dev, "mmio_size",
+ platform_bus_params.platform_bus_size);
+ qdev_init_nofail(dev);
+ s = SYS_BUS_DEVICE(dev);
+
+ for (i = 0; i < platform_bus_params.platform_bus_num_irqs; i++) {
+ int irqn = platform_bus_params.platform_bus_first_irq + i;
+ sysbus_connect_irq(s, i, pic[irqn]);
+ }
+
+ memory_region_add_subregion(sysmem,
+ platform_bus_params.platform_bus_base,
+ sysbus_mmio_get_region(s, 0));
+}
+
static void *machvirt_dtb(const struct arm_boot_info *binfo, int *fdt_size)
{
const VirtBoardInfo *board = (const VirtBoardInfo *)binfo;
return board->fdt;
}
+static void virt_build_smbios(VirtGuestInfo *guest_info)
+{
+ FWCfgState *fw_cfg = guest_info->fw_cfg;
+ uint8_t *smbios_tables, *smbios_anchor;
+ size_t smbios_tables_len, smbios_anchor_len;
+
+ if (!fw_cfg) {
+ return;
+ }
+
+ smbios_set_defaults("QEMU", "QEMU Virtual Machine",
+ "1.0", false, true, SMBIOS_ENTRY_POINT_30);
+
+ smbios_get_tables(NULL, 0, &smbios_tables, &smbios_tables_len,
+ &smbios_anchor, &smbios_anchor_len);
+
+ if (smbios_anchor) {
+ fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-tables",
+ smbios_tables, smbios_tables_len);
+ fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-anchor",
+ smbios_anchor, smbios_anchor_len);
+ }
+}
+
+static
+void virt_guest_info_machine_done(Notifier *notifier, void *data)
+{
+ VirtGuestInfoState *guest_info_state = container_of(notifier,
+ VirtGuestInfoState, machine_done);
+ virt_acpi_setup(&guest_info_state->info);
+ virt_build_smbios(&guest_info_state->info);
+}
+
static void machvirt_init(MachineState *machine)
{
VirtMachineState *vms = VIRT_MACHINE(machine);
qemu_irq pic[NUM_IRQS];
MemoryRegion *sysmem = get_system_memory();
+ int gic_version = vms->gic_version;
int n;
MemoryRegion *ram = g_new(MemoryRegion, 1);
const char *cpu_model = machine->cpu_model;
VirtBoardInfo *vbi;
- uint32_t gic_phandle;
+ VirtGuestInfoState *guest_info_state = g_malloc0(sizeof *guest_info_state);
+ VirtGuestInfo *guest_info = &guest_info_state->info;
char **cpustr;
if (!cpu_model) {
cpu_model = "cortex-a15";
}
+ /* We can probe only here because during property set
+ * KVM is not available yet
+ */
+ if (!gic_version) {
+ gic_version = kvm_arm_vgic_probe();
+ if (!gic_version) {
+ error_report("Unable to determine GIC version supported by host\n"
+ "Probably KVM acceleration is not supported\n");
+ exit(1);
+ }
+ }
+
/* Separate the actual CPU model name from any appended features */
cpustr = g_strsplit(cpu_model, ",", 2);
object_property_set_bool(cpuobj, true, "realized", NULL);
}
g_strfreev(cpustr);
- fdt_add_timer_nodes(vbi);
+ fdt_add_timer_nodes(vbi, gic_version);
fdt_add_cpu_nodes(vbi);
fdt_add_psci_node(vbi);
- memory_region_init_ram(ram, NULL, "mach-virt.ram", machine->ram_size,
- &error_abort);
- vmstate_register_ram_global(ram);
+ memory_region_allocate_system_memory(ram, NULL, "mach-virt.ram",
+ machine->ram_size);
memory_region_add_subregion(sysmem, vbi->memmap[VIRT_MEM].base, ram);
create_flash(vbi);
- gic_phandle = create_gic(vbi, pic);
+ create_gic(vbi, pic, gic_version, vms->secure);
create_uart(vbi, pic);
create_rtc(vbi, pic);
- create_pcie(vbi, pic, gic_phandle);
+ create_pcie(vbi, pic, vms->highmem);
/* Create mmio transports, so the user can create virtio backends
* (which will be automatically plugged in to the transports). If
create_virtio_devices(vbi, pic);
create_fw_cfg(vbi);
+ rom_set_fw(fw_cfg_find());
+
+ guest_info->smp_cpus = smp_cpus;
+ guest_info->fw_cfg = fw_cfg_find();
+ guest_info->memmap = vbi->memmap;
+ guest_info->irqmap = vbi->irqmap;
+ guest_info->use_highmem = vms->highmem;
+ guest_info->gic_version = gic_version;
+ guest_info_state->machine_done.notify = virt_guest_info_machine_done;
+ qemu_add_machine_init_done_notifier(&guest_info_state->machine_done);
vbi->bootinfo.ram_size = machine->ram_size;
vbi->bootinfo.kernel_filename = machine->kernel_filename;
vbi->bootinfo.get_dtb = machvirt_dtb;
vbi->bootinfo.firmware_loaded = bios_name || drive_get(IF_PFLASH, 0, 0);
arm_load_kernel(ARM_CPU(first_cpu), &vbi->bootinfo);
+
+ /*
+ * arm_load_kernel machine init done notifier registration must
+ * happen before the platform_bus_create call. In this latter,
+ * another notifier is registered which adds platform bus nodes.
+ * Notifiers are executed in registration reverse order.
+ */
+ create_platform_bus(vbi, pic);
}
static bool virt_get_secure(Object *obj, Error **errp)
vms->secure = value;
}
+static bool virt_get_highmem(Object *obj, Error **errp)
+{
+ VirtMachineState *vms = VIRT_MACHINE(obj);
+
+ return vms->highmem;
+}
+
+static void virt_set_highmem(Object *obj, bool value, Error **errp)
+{
+ VirtMachineState *vms = VIRT_MACHINE(obj);
+
+ vms->highmem = value;
+}
+
+static char *virt_get_gic_version(Object *obj, Error **errp)
+{
+ VirtMachineState *vms = VIRT_MACHINE(obj);
+ const char *val = vms->gic_version == 3 ? "3" : "2";
+
+ return g_strdup(val);
+}
+
+static void virt_set_gic_version(Object *obj, const char *value, Error **errp)
+{
+ VirtMachineState *vms = VIRT_MACHINE(obj);
+
+ if (!strcmp(value, "3")) {
+ vms->gic_version = 3;
+ } else if (!strcmp(value, "2")) {
+ vms->gic_version = 2;
+ } else if (!strcmp(value, "host")) {
+ vms->gic_version = 0; /* Will probe later */
+ } else {
+ error_report("Invalid gic-version option value\n"
+ "Allowed values are: 3, 2, host\n");
+ exit(1);
+ }
+}
+
static void virt_instance_init(Object *obj)
{
VirtMachineState *vms = VIRT_MACHINE(obj);
- /* EL3 is enabled by default on virt */
- vms->secure = true;
+ /* EL3 is disabled by default on virt: this makes us consistent
+ * between KVM and TCG for this board, and it also allows us to
+ * boot UEFI blobs which assume no TrustZone support.
+ */
+ vms->secure = false;
object_property_add_bool(obj, "secure", virt_get_secure,
virt_set_secure, NULL);
object_property_set_description(obj, "secure",
"Set on/off to enable/disable the ARM "
"Security Extensions (TrustZone)",
NULL);
+
+ /* High memory is enabled by default */
+ vms->highmem = true;
+ object_property_add_bool(obj, "highmem", virt_get_highmem,
+ virt_set_highmem, NULL);
+ object_property_set_description(obj, "highmem",
+ "Set on/off to enable/disable using "
+ "physical address space above 32 bits",
+ NULL);
+ /* Default GIC type is v2 */
+ vms->gic_version = 2;
+ object_property_add_str(obj, "gic-version", virt_get_gic_version,
+ virt_set_gic_version, NULL);
+ object_property_set_description(obj, "gic-version",
+ "Set GIC version. "
+ "Valid values are 2, 3 and host", NULL);
}
static void virt_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
- mc->name = TYPE_VIRT_MACHINE;
mc->desc = "ARM Virtual Machine",
mc->init = machvirt_init;
- mc->max_cpus = 8;
+ /* Our maximum number of CPUs depends on how many redistributors
+ * we can fit into memory map
+ */
+ mc->max_cpus = a15memmap[VIRT_GIC_REDIST].size / 0x20000;
+ mc->has_dynamic_sysbus = true;
+ mc->block_default_type = IF_VIRTIO;
+ mc->no_cdrom = 1;
}
static const TypeInfo machvirt_info = {
projects / qemu.git / blobdiff