diff options
Diffstat (limited to 'hw/arm')
| -rw-r--r-- | hw/arm/meson.build | 5 | ||||
| -rw-r--r-- | hw/arm/trace-events | 5 | ||||
| -rw-r--r-- | hw/arm/xen-pvh.c | 89 | ||||
| -rw-r--r-- | hw/arm/xen-stubs.c | 32 | ||||
| -rw-r--r-- | hw/arm/xen_arm.c | 267 |
5 files changed, 125 insertions, 273 deletions
diff --git a/hw/arm/meson.build b/hw/arm/meson.build index 0c07ab522f..4059d0be2e 100644 --- a/hw/arm/meson.build +++ b/hw/arm/meson.build @@ -59,7 +59,10 @@ arm_ss.add(when: 'CONFIG_FSL_IMX7', if_true: files('fsl-imx7.c', 'mcimx7d-sabre. arm_ss.add(when: 'CONFIG_ARM_SMMUV3', if_true: files('smmuv3.c')) arm_ss.add(when: 'CONFIG_FSL_IMX6UL', if_true: files('fsl-imx6ul.c', 'mcimx6ul-evk.c')) arm_ss.add(when: 'CONFIG_NRF51_SOC', if_true: files('nrf51_soc.c')) -arm_ss.add(when: 'CONFIG_XEN', if_true: files('xen_arm.c')) +arm_ss.add(when: 'CONFIG_XEN', if_true: files( + 'xen-stubs.c', + 'xen-pvh.c', +)) system_ss.add(when: 'CONFIG_ARM_SMMUV3', if_true: files('smmu-common.c')) system_ss.add(when: 'CONFIG_CHEETAH', if_true: files('palm.c')) diff --git a/hw/arm/trace-events b/hw/arm/trace-events index be6c8f720b..c64ad344bd 100644 --- a/hw/arm/trace-events +++ b/hw/arm/trace-events @@ -68,10 +68,5 @@ z2_aer915_send_too_long(int8_t msg) "message too long (%i bytes)" z2_aer915_send(uint8_t reg, uint8_t value) "reg %d value 0x%02x" z2_aer915_event(int8_t event, int8_t len) "i2c event =0x%x len=%d bytes" -# xen_arm.c -xen_create_virtio_mmio_devices(int i, int irq, uint64_t base) "Created virtio-mmio device %d: irq %d base 0x%"PRIx64 -xen_init_ram(uint64_t machine_ram_size) "Initialized xen ram with size 0x%"PRIx64 -xen_enable_tpm(uint64_t addr) "Connected tpmdev at address 0x%"PRIx64 - # bcm2838.c bcm2838_gic_set_irq(int irq, int level) "gic irq:%d lvl:%d" diff --git a/hw/arm/xen-pvh.c b/hw/arm/xen-pvh.c new file mode 100644 index 0000000000..04cb9855af --- /dev/null +++ b/hw/arm/xen-pvh.c @@ -0,0 +1,89 @@ +/* + * QEMU ARM Xen PVH Machine + * + * SPDX-License-Identifier: MIT + */ + +#include "qemu/osdep.h" +#include "qemu/error-report.h" +#include "qapi/qapi-commands-migration.h" +#include "hw/boards.h" +#include "sysemu/sysemu.h" +#include "hw/xen/xen-pvh-common.h" +#include "hw/xen/arch_hvm.h" + +#define TYPE_XEN_ARM MACHINE_TYPE_NAME("xenpvh") + +/* + * VIRTIO_MMIO_DEV_SIZE is imported from tools/libs/light/libxl_arm.c under Xen + * repository. + * + * Origin: git://xenbits.xen.org/xen.git 2128143c114c + */ +#define VIRTIO_MMIO_DEV_SIZE 0x200 + +#define NR_VIRTIO_MMIO_DEVICES \ + (GUEST_VIRTIO_MMIO_SPI_LAST - GUEST_VIRTIO_MMIO_SPI_FIRST) + +static void xen_arm_instance_init(Object *obj) +{ + XenPVHMachineState *s = XEN_PVH_MACHINE(obj); + + /* Default values. */ + s->cfg.ram_low = (MemMapEntry) { GUEST_RAM0_BASE, GUEST_RAM0_SIZE }; + s->cfg.ram_high = (MemMapEntry) { GUEST_RAM1_BASE, GUEST_RAM1_SIZE }; + + s->cfg.virtio_mmio_num = NR_VIRTIO_MMIO_DEVICES; + s->cfg.virtio_mmio_irq_base = GUEST_VIRTIO_MMIO_SPI_FIRST; + s->cfg.virtio_mmio = (MemMapEntry) { GUEST_VIRTIO_MMIO_BASE, + VIRTIO_MMIO_DEV_SIZE }; +} + +static void xen_arm_machine_class_init(ObjectClass *oc, void *data) +{ + XenPVHMachineClass *xpc = XEN_PVH_MACHINE_CLASS(oc); + MachineClass *mc = MACHINE_CLASS(oc); + + mc->desc = "Xen PVH ARM machine"; + + /* + * mc->max_cpus holds the MAX value allowed in the -smp command-line opts. + * + * 1. If users don't pass any -smp option: + * ms->smp.cpus will default to 1. + * ms->smp.max_cpus will default to 1. + * + * 2. If users pass -smp X: + * ms->smp.cpus will be set to X. + * ms->smp.max_cpus will also be set to X. + * + * 3. If users pass -smp X,maxcpus=Y: + * ms->smp.cpus will be set to X. + * ms->smp.max_cpus will be set to Y. + * + * In scenarios 2 and 3, if X or Y are set to something larger than + * mc->max_cpus, QEMU will bail out with an error message. + */ + mc->max_cpus = GUEST_MAX_VCPUS; + + /* List of supported features known to work on PVH ARM. */ + xpc->has_tpm = true; + xpc->has_virtio_mmio = true; + + xen_pvh_class_setup_common_props(xpc); +} + +static const TypeInfo xen_arm_machine_type = { + .name = TYPE_XEN_ARM, + .parent = TYPE_XEN_PVH_MACHINE, + .class_init = xen_arm_machine_class_init, + .instance_size = sizeof(XenPVHMachineState), + .instance_init = xen_arm_instance_init, +}; + +static void xen_arm_machine_register_types(void) +{ + type_register_static(&xen_arm_machine_type); +} + +type_init(xen_arm_machine_register_types) diff --git a/hw/arm/xen-stubs.c b/hw/arm/xen-stubs.c new file mode 100644 index 0000000000..4ac6a56a96 --- /dev/null +++ b/hw/arm/xen-stubs.c @@ -0,0 +1,32 @@ +/* + * Stubs for unimplemented Xen functions for ARM. + * + * SPDX-License-Identifier: MIT + */ + +#include "qemu/osdep.h" +#include "qemu/error-report.h" +#include "qapi/qapi-commands-migration.h" +#include "hw/boards.h" +#include "sysemu/sysemu.h" +#include "hw/xen/xen-hvm-common.h" +#include "hw/xen/arch_hvm.h" + +void arch_handle_ioreq(XenIOState *state, ioreq_t *req) +{ + hw_error("Invalid ioreq type 0x%x\n", req->type); + return; +} + +void arch_xen_set_memory(XenIOState *state, MemoryRegionSection *section, + bool add) +{ +} + +void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length) +{ +} + +void qmp_xen_set_global_dirty_log(bool enable, Error **errp) +{ +} diff --git a/hw/arm/xen_arm.c b/hw/arm/xen_arm.c deleted file mode 100644 index 6fad829ede..0000000000 --- a/hw/arm/xen_arm.c +++ /dev/null @@ -1,267 +0,0 @@ -/* - * QEMU ARM Xen PVH Machine - * - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu/osdep.h" -#include "qemu/error-report.h" -#include "qapi/qapi-commands-migration.h" -#include "qapi/visitor.h" -#include "hw/boards.h" -#include "hw/irq.h" -#include "hw/sysbus.h" -#include "sysemu/block-backend.h" -#include "sysemu/tpm_backend.h" -#include "sysemu/sysemu.h" -#include "hw/xen/xen-hvm-common.h" -#include "sysemu/tpm.h" -#include "hw/xen/arch_hvm.h" -#include "trace.h" - -#define TYPE_XEN_ARM MACHINE_TYPE_NAME("xenpvh") -OBJECT_DECLARE_SIMPLE_TYPE(XenArmState, XEN_ARM) - -static const MemoryListener xen_memory_listener = { - .region_add = xen_region_add, - .region_del = xen_region_del, - .log_start = NULL, - .log_stop = NULL, - .log_sync = NULL, - .log_global_start = NULL, - .log_global_stop = NULL, - .priority = MEMORY_LISTENER_PRIORITY_ACCEL, -}; - -struct XenArmState { - /*< private >*/ - MachineState parent; - - XenIOState *state; - - struct { - uint64_t tpm_base_addr; - } cfg; -}; - -static MemoryRegion ram_lo, ram_hi; - -/* - * VIRTIO_MMIO_DEV_SIZE is imported from tools/libs/light/libxl_arm.c under Xen - * repository. - * - * Origin: git://xenbits.xen.org/xen.git 2128143c114c - */ -#define VIRTIO_MMIO_DEV_SIZE 0x200 - -#define NR_VIRTIO_MMIO_DEVICES \ - (GUEST_VIRTIO_MMIO_SPI_LAST - GUEST_VIRTIO_MMIO_SPI_FIRST) - -static void xen_set_irq(void *opaque, int irq, int level) -{ - if (xendevicemodel_set_irq_level(xen_dmod, xen_domid, irq, level)) { - error_report("xendevicemodel_set_irq_level failed"); - } -} - -static void xen_create_virtio_mmio_devices(XenArmState *xam) -{ - int i; - - for (i = 0; i < NR_VIRTIO_MMIO_DEVICES; i++) { - hwaddr base = GUEST_VIRTIO_MMIO_BASE + i * VIRTIO_MMIO_DEV_SIZE; - qemu_irq irq = qemu_allocate_irq(xen_set_irq, NULL, - GUEST_VIRTIO_MMIO_SPI_FIRST + i); - - sysbus_create_simple("virtio-mmio", base, irq); - - trace_xen_create_virtio_mmio_devices(i, - GUEST_VIRTIO_MMIO_SPI_FIRST + i, - base); - } -} - -static void xen_init_ram(MachineState *machine) -{ - MemoryRegion *sysmem = get_system_memory(); - ram_addr_t block_len, ram_size[GUEST_RAM_BANKS]; - - trace_xen_init_ram(machine->ram_size); - if (machine->ram_size <= GUEST_RAM0_SIZE) { - ram_size[0] = machine->ram_size; - ram_size[1] = 0; - block_len = GUEST_RAM0_BASE + ram_size[0]; - } else { - ram_size[0] = GUEST_RAM0_SIZE; - ram_size[1] = machine->ram_size - GUEST_RAM0_SIZE; - block_len = GUEST_RAM1_BASE + ram_size[1]; - } - - memory_region_init_ram(&xen_memory, NULL, "xen.ram", block_len, - &error_fatal); - - memory_region_init_alias(&ram_lo, NULL, "xen.ram.lo", &xen_memory, - GUEST_RAM0_BASE, ram_size[0]); - memory_region_add_subregion(sysmem, GUEST_RAM0_BASE, &ram_lo); - if (ram_size[1] > 0) { - memory_region_init_alias(&ram_hi, NULL, "xen.ram.hi", &xen_memory, - GUEST_RAM1_BASE, ram_size[1]); - memory_region_add_subregion(sysmem, GUEST_RAM1_BASE, &ram_hi); - } - - /* Setup support for grants. */ - memory_region_init_ram(&xen_grants, NULL, "xen.grants", block_len, - &error_fatal); - memory_region_add_subregion(sysmem, XEN_GRANT_ADDR_OFF, &xen_grants); -} - -void arch_handle_ioreq(XenIOState *state, ioreq_t *req) -{ - hw_error("Invalid ioreq type 0x%x\n", req->type); - - return; -} - -void arch_xen_set_memory(XenIOState *state, MemoryRegionSection *section, - bool add) -{ -} - -void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length) -{ -} - -void qmp_xen_set_global_dirty_log(bool enable, Error **errp) -{ -} - -#ifdef CONFIG_TPM -static void xen_enable_tpm(XenArmState *xam) -{ - Error *errp = NULL; - DeviceState *dev; - SysBusDevice *busdev; - - TPMBackend *be = qemu_find_tpm_be("tpm0"); - if (be == NULL) { - error_report("Couldn't find tmp0 backend"); - return; - } - dev = qdev_new(TYPE_TPM_TIS_SYSBUS); - object_property_set_link(OBJECT(dev), "tpmdev", OBJECT(be), &errp); - object_property_set_str(OBJECT(dev), "tpmdev", be->id, &errp); - busdev = SYS_BUS_DEVICE(dev); - sysbus_realize_and_unref(busdev, &error_fatal); - sysbus_mmio_map(busdev, 0, xam->cfg.tpm_base_addr); - - trace_xen_enable_tpm(xam->cfg.tpm_base_addr); -} -#endif - -static void xen_arm_init(MachineState *machine) -{ - XenArmState *xam = XEN_ARM(machine); - - xam->state = g_new0(XenIOState, 1); - - if (machine->ram_size == 0) { - warn_report("%s non-zero ram size not specified. QEMU machine started" - " without IOREQ (no emulated devices including virtio)", - MACHINE_CLASS(object_get_class(OBJECT(machine)))->desc); - return; - } - - xen_init_ram(machine); - - xen_register_ioreq(xam->state, machine->smp.cpus, &xen_memory_listener); - - xen_create_virtio_mmio_devices(xam); - -#ifdef CONFIG_TPM - if (xam->cfg.tpm_base_addr) { - xen_enable_tpm(xam); - } else { - warn_report("tpm-base-addr is not provided. TPM will not be enabled"); - } -#endif -} - -#ifdef CONFIG_TPM -static void xen_arm_get_tpm_base_addr(Object *obj, Visitor *v, - const char *name, void *opaque, - Error **errp) -{ - XenArmState *xam = XEN_ARM(obj); - uint64_t value = xam->cfg.tpm_base_addr; - - visit_type_uint64(v, name, &value, errp); -} - -static void xen_arm_set_tpm_base_addr(Object *obj, Visitor *v, - const char *name, void *opaque, - Error **errp) -{ - XenArmState *xam = XEN_ARM(obj); - uint64_t value; - - if (!visit_type_uint64(v, name, &value, errp)) { - return; - } - - xam->cfg.tpm_base_addr = value; -} -#endif - -static void xen_arm_machine_class_init(ObjectClass *oc, void *data) -{ - - MachineClass *mc = MACHINE_CLASS(oc); - mc->desc = "Xen Para-virtualized PC"; - mc->init = xen_arm_init; - mc->max_cpus = 1; - mc->default_machine_opts = "accel=xen"; - /* Set explicitly here to make sure that real ram_size is passed */ - mc->default_ram_size = 0; - -#ifdef CONFIG_TPM - object_class_property_add(oc, "tpm-base-addr", "uint64_t", - xen_arm_get_tpm_base_addr, - xen_arm_set_tpm_base_addr, - NULL, NULL); - object_class_property_set_description(oc, "tpm-base-addr", - "Set Base address for TPM device."); - - machine_class_allow_dynamic_sysbus_dev(mc, TYPE_TPM_TIS_SYSBUS); -#endif -} - -static const TypeInfo xen_arm_machine_type = { - .name = TYPE_XEN_ARM, - .parent = TYPE_MACHINE, - .class_init = xen_arm_machine_class_init, - .instance_size = sizeof(XenArmState), -}; - -static void xen_arm_machine_register_types(void) -{ - type_register_static(&xen_arm_machine_type); -} - -type_init(xen_arm_machine_register_types) |