diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/intc/ibex_plic.c | 307 | ||||
| -rw-r--r-- | hw/intc/meson.build | 1 | ||||
| -rw-r--r-- | hw/intc/sifive_plic.c | 85 | ||||
| -rw-r--r-- | hw/riscv/boot.c | 2 | ||||
| -rw-r--r-- | hw/riscv/microchip_pfsoc.c | 36 | ||||
| -rw-r--r-- | hw/riscv/opentitan.c | 38 | ||||
| -rw-r--r-- | hw/riscv/shakti_c.c | 6 | ||||
| -rw-r--r-- | hw/riscv/sifive_e.c | 16 | ||||
| -rw-r--r-- | hw/riscv/sifive_u.c | 6 | ||||
| -rw-r--r-- | hw/riscv/spike.c | 6 | ||||
| -rw-r--r-- | hw/riscv/virt.c | 6 |
11 files changed, 113 insertions, 396 deletions
diff --git a/hw/intc/ibex_plic.c b/hw/intc/ibex_plic.c deleted file mode 100644 index ff430356f8..0000000000 --- a/hw/intc/ibex_plic.c +++ /dev/null @@ -1,307 +0,0 @@ -/* - * QEMU RISC-V lowRISC Ibex PLIC - * - * Copyright (c) 2020 Western Digital - * - * Documentation avaliable: https://docs.opentitan.org/hw/ip/rv_plic/doc/ - * - * 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/log.h" -#include "hw/qdev-properties.h" -#include "hw/core/cpu.h" -#include "hw/boards.h" -#include "hw/pci/msi.h" -#include "target/riscv/cpu_bits.h" -#include "target/riscv/cpu.h" -#include "hw/intc/ibex_plic.h" -#include "hw/irq.h" - -static bool addr_between(uint32_t addr, uint32_t base, uint32_t num) -{ - uint32_t end = base + (num * 0x04); - - if (addr >= base && addr < end) { - return true; - } - - return false; -} - -static void ibex_plic_irqs_set_pending(IbexPlicState *s, int irq, bool level) -{ - int pending_num = irq / 32; - - if (!level) { - /* - * If the level is low make sure we clear the hidden_pending. - */ - s->hidden_pending[pending_num] &= ~(1 << (irq % 32)); - } - - if (s->claimed[pending_num] & 1 << (irq % 32)) { - /* - * The interrupt has been claimed, but not completed. - * The pending bit can't be set. - * Save the pending level for after the interrupt is completed. - */ - s->hidden_pending[pending_num] |= level << (irq % 32); - } else { - s->pending[pending_num] |= level << (irq % 32); - } -} - -static bool ibex_plic_irqs_pending(IbexPlicState *s, uint32_t context) -{ - int i; - uint32_t max_irq = 0; - uint32_t max_prio = s->threshold; - - for (i = 0; i < s->pending_num; i++) { - uint32_t irq_num = ctz64(s->pending[i]) + (i * 32); - - if (!(s->pending[i] & s->enable[i])) { - /* No pending and enabled IRQ */ - continue; - } - - if (s->priority[irq_num] > max_prio) { - max_irq = irq_num; - max_prio = s->priority[irq_num]; - } - } - - if (max_irq) { - s->claim = max_irq; - return true; - } - - return false; -} - -static void ibex_plic_update(IbexPlicState *s) -{ - int i; - - for (i = 0; i < s->num_cpus; i++) { - qemu_set_irq(s->external_irqs[i], ibex_plic_irqs_pending(s, 0)); - } -} - -static void ibex_plic_reset(DeviceState *dev) -{ - IbexPlicState *s = IBEX_PLIC(dev); - - s->threshold = 0x00000000; - s->claim = 0x00000000; -} - -static uint64_t ibex_plic_read(void *opaque, hwaddr addr, - unsigned int size) -{ - IbexPlicState *s = opaque; - int offset; - uint32_t ret = 0; - - if (addr_between(addr, s->pending_base, s->pending_num)) { - offset = (addr - s->pending_base) / 4; - ret = s->pending[offset]; - } else if (addr_between(addr, s->source_base, s->source_num)) { - qemu_log_mask(LOG_UNIMP, - "%s: Interrupt source mode not supported\n", __func__); - } else if (addr_between(addr, s->priority_base, s->priority_num)) { - offset = (addr - s->priority_base) / 4; - ret = s->priority[offset]; - } else if (addr_between(addr, s->enable_base, s->enable_num)) { - offset = (addr - s->enable_base) / 4; - ret = s->enable[offset]; - } else if (addr_between(addr, s->threshold_base, 1)) { - ret = s->threshold; - } else if (addr_between(addr, s->claim_base, 1)) { - int pending_num = s->claim / 32; - s->pending[pending_num] &= ~(1 << (s->claim % 32)); - - /* Set the interrupt as claimed, but not completed */ - s->claimed[pending_num] |= 1 << (s->claim % 32); - - /* Return the current claimed interrupt */ - ret = s->claim; - - /* Clear the claimed interrupt */ - s->claim = 0x00000000; - - /* Update the interrupt status after the claim */ - ibex_plic_update(s); - } - - return ret; -} - -static void ibex_plic_write(void *opaque, hwaddr addr, - uint64_t value, unsigned int size) -{ - IbexPlicState *s = opaque; - - if (addr_between(addr, s->pending_base, s->pending_num)) { - qemu_log_mask(LOG_GUEST_ERROR, - "%s: Pending registers are read only\n", __func__); - } else if (addr_between(addr, s->source_base, s->source_num)) { - qemu_log_mask(LOG_UNIMP, - "%s: Interrupt source mode not supported\n", __func__); - } else if (addr_between(addr, s->priority_base, s->priority_num)) { - uint32_t irq = ((addr - s->priority_base) >> 2) + 1; - s->priority[irq] = value & 7; - ibex_plic_update(s); - } else if (addr_between(addr, s->enable_base, s->enable_num)) { - uint32_t enable_reg = (addr - s->enable_base) / 4; - - s->enable[enable_reg] = value; - } else if (addr_between(addr, s->threshold_base, 1)) { - s->threshold = value & 3; - } else if (addr_between(addr, s->claim_base, 1)) { - if (s->claim == value) { - /* Interrupt was completed */ - s->claim = 0; - } - if (s->claimed[value / 32] & 1 << (value % 32)) { - int pending_num = value / 32; - - /* This value was already claimed, clear it. */ - s->claimed[pending_num] &= ~(1 << (value % 32)); - - if (s->hidden_pending[pending_num] & (1 << (value % 32))) { - /* - * If the bit in hidden_pending is set then that means we - * received an interrupt between claiming and completing - * the interrupt that hasn't since been de-asserted. - * On hardware this would trigger an interrupt, so let's - * trigger one here as well. - */ - s->pending[pending_num] |= 1 << (value % 32); - } - } - } - - ibex_plic_update(s); -} - -static const MemoryRegionOps ibex_plic_ops = { - .read = ibex_plic_read, - .write = ibex_plic_write, - .endianness = DEVICE_NATIVE_ENDIAN, - .valid = { - .min_access_size = 4, - .max_access_size = 4 - } -}; - -static void ibex_plic_irq_request(void *opaque, int irq, int level) -{ - IbexPlicState *s = opaque; - - ibex_plic_irqs_set_pending(s, irq, level > 0); - ibex_plic_update(s); -} - -static Property ibex_plic_properties[] = { - DEFINE_PROP_UINT32("num-cpus", IbexPlicState, num_cpus, 1), - DEFINE_PROP_UINT32("num-sources", IbexPlicState, num_sources, 176), - - DEFINE_PROP_UINT32("pending-base", IbexPlicState, pending_base, 0), - DEFINE_PROP_UINT32("pending-num", IbexPlicState, pending_num, 6), - - DEFINE_PROP_UINT32("source-base", IbexPlicState, source_base, 0x18), - DEFINE_PROP_UINT32("source-num", IbexPlicState, source_num, 6), - - DEFINE_PROP_UINT32("priority-base", IbexPlicState, priority_base, 0x30), - DEFINE_PROP_UINT32("priority-num", IbexPlicState, priority_num, 177), - - DEFINE_PROP_UINT32("enable-base", IbexPlicState, enable_base, 0x300), - DEFINE_PROP_UINT32("enable-num", IbexPlicState, enable_num, 6), - - DEFINE_PROP_UINT32("threshold-base", IbexPlicState, threshold_base, 0x318), - - DEFINE_PROP_UINT32("claim-base", IbexPlicState, claim_base, 0x31c), - DEFINE_PROP_END_OF_LIST(), -}; - -static void ibex_plic_init(Object *obj) -{ - IbexPlicState *s = IBEX_PLIC(obj); - - memory_region_init_io(&s->mmio, obj, &ibex_plic_ops, s, - TYPE_IBEX_PLIC, 0x400); - sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->mmio); -} - -static void ibex_plic_realize(DeviceState *dev, Error **errp) -{ - IbexPlicState *s = IBEX_PLIC(dev); - int i; - - s->pending = g_new0(uint32_t, s->pending_num); - s->hidden_pending = g_new0(uint32_t, s->pending_num); - s->claimed = g_new0(uint32_t, s->pending_num); - s->source = g_new0(uint32_t, s->source_num); - s->priority = g_new0(uint32_t, s->priority_num); - s->enable = g_new0(uint32_t, s->enable_num); - - qdev_init_gpio_in(dev, ibex_plic_irq_request, s->num_sources); - - s->external_irqs = g_malloc(sizeof(qemu_irq) * s->num_cpus); - qdev_init_gpio_out(dev, s->external_irqs, s->num_cpus); - - /* - * We can't allow the supervisor to control SEIP as this would allow the - * supervisor to clear a pending external interrupt which will result in - * a lost interrupt in the case a PLIC is attached. The SEIP bit must be - * hardware controlled when a PLIC is attached. - */ - MachineState *ms = MACHINE(qdev_get_machine()); - unsigned int smp_cpus = ms->smp.cpus; - for (i = 0; i < smp_cpus; i++) { - RISCVCPU *cpu = RISCV_CPU(qemu_get_cpu(i)); - if (riscv_cpu_claim_interrupts(cpu, MIP_SEIP) < 0) { - error_report("SEIP already claimed"); - exit(1); - } - } - - msi_nonbroken = true; -} - -static void ibex_plic_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->reset = ibex_plic_reset; - device_class_set_props(dc, ibex_plic_properties); - dc->realize = ibex_plic_realize; -} - -static const TypeInfo ibex_plic_info = { - .name = TYPE_IBEX_PLIC, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(IbexPlicState), - .instance_init = ibex_plic_init, - .class_init = ibex_plic_class_init, -}; - -static void ibex_plic_register_types(void) -{ - type_register_static(&ibex_plic_info); -} - -type_init(ibex_plic_register_types) diff --git a/hw/intc/meson.build b/hw/intc/meson.build index a1d00aa48d..c89d2ca180 100644 --- a/hw/intc/meson.build +++ b/hw/intc/meson.build @@ -32,7 +32,6 @@ specific_ss.add(when: 'CONFIG_ARM_V7M', if_true: files('armv7m_nvic.c')) specific_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files('aspeed_vic.c')) specific_ss.add(when: 'CONFIG_EXYNOS4', if_true: files('exynos4210_gic.c', 'exynos4210_combiner.c')) specific_ss.add(when: 'CONFIG_GRLIB', if_true: files('grlib_irqmp.c')) -specific_ss.add(when: 'CONFIG_IBEX', if_true: files('ibex_plic.c')) specific_ss.add(when: 'CONFIG_IOAPIC', if_true: files('ioapic.c')) specific_ss.add(when: 'CONFIG_LOONGSON_LIOINTC', if_true: files('loongson_liointc.c')) specific_ss.add(when: 'CONFIG_MIPS_CPS', if_true: files('mips_gic.c')) diff --git a/hw/intc/sifive_plic.c b/hw/intc/sifive_plic.c index 9ba36dc0b3..877e76877c 100644 --- a/hw/intc/sifive_plic.c +++ b/hw/intc/sifive_plic.c @@ -355,21 +355,6 @@ static const MemoryRegionOps sifive_plic_ops = { } }; -static Property sifive_plic_properties[] = { - DEFINE_PROP_STRING("hart-config", SiFivePLICState, hart_config), - DEFINE_PROP_UINT32("hartid-base", SiFivePLICState, hartid_base, 0), - DEFINE_PROP_UINT32("num-sources", SiFivePLICState, num_sources, 0), - DEFINE_PROP_UINT32("num-priorities", SiFivePLICState, num_priorities, 0), - DEFINE_PROP_UINT32("priority-base", SiFivePLICState, priority_base, 0), - DEFINE_PROP_UINT32("pending-base", SiFivePLICState, pending_base, 0), - DEFINE_PROP_UINT32("enable-base", SiFivePLICState, enable_base, 0), - DEFINE_PROP_UINT32("enable-stride", SiFivePLICState, enable_stride, 0), - DEFINE_PROP_UINT32("context-base", SiFivePLICState, context_base, 0), - DEFINE_PROP_UINT32("context-stride", SiFivePLICState, context_stride, 0), - DEFINE_PROP_UINT32("aperture-size", SiFivePLICState, aperture_size, 0), - DEFINE_PROP_END_OF_LIST(), -}; - /* * parse PLIC hart/mode address offset config * @@ -427,45 +412,46 @@ static void parse_hart_config(SiFivePLICState *plic) static void sifive_plic_irq_request(void *opaque, int irq, int level) { - SiFivePLICState *plic = opaque; - if (RISCV_DEBUG_PLIC) { - qemu_log("sifive_plic_irq_request: irq=%d level=%d\n", irq, level); - } - sifive_plic_set_pending(plic, irq, level > 0); - sifive_plic_update(plic); + SiFivePLICState *s = opaque; + + sifive_plic_set_pending(s, irq, level > 0); + sifive_plic_update(s); } static void sifive_plic_realize(DeviceState *dev, Error **errp) { - SiFivePLICState *plic = SIFIVE_PLIC(dev); + SiFivePLICState *s = SIFIVE_PLIC(dev); int i; - memory_region_init_io(&plic->mmio, OBJECT(dev), &sifive_plic_ops, plic, - TYPE_SIFIVE_PLIC, plic->aperture_size); - parse_hart_config(plic); - plic->bitfield_words = (plic->num_sources + 31) >> 5; - plic->num_enables = plic->bitfield_words * plic->num_addrs; - plic->source_priority = g_new0(uint32_t, plic->num_sources); - plic->target_priority = g_new(uint32_t, plic->num_addrs); - plic->pending = g_new0(uint32_t, plic->bitfield_words); - plic->claimed = g_new0(uint32_t, plic->bitfield_words); - plic->enable = g_new0(uint32_t, plic->num_enables); - sysbus_init_mmio(SYS_BUS_DEVICE(dev), &plic->mmio); - qdev_init_gpio_in(dev, sifive_plic_irq_request, plic->num_sources); - - plic->s_external_irqs = g_malloc(sizeof(qemu_irq) * plic->num_harts); - qdev_init_gpio_out(dev, plic->s_external_irqs, plic->num_harts); - - plic->m_external_irqs = g_malloc(sizeof(qemu_irq) * plic->num_harts); - qdev_init_gpio_out(dev, plic->m_external_irqs, plic->num_harts); + memory_region_init_io(&s->mmio, OBJECT(dev), &sifive_plic_ops, s, + TYPE_SIFIVE_PLIC, s->aperture_size); + sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->mmio); + + parse_hart_config(s); + + s->bitfield_words = (s->num_sources + 31) >> 5; + s->num_enables = s->bitfield_words * s->num_addrs; + s->source_priority = g_new0(uint32_t, s->num_sources); + s->target_priority = g_new(uint32_t, s->num_addrs); + s->pending = g_new0(uint32_t, s->bitfield_words); + s->claimed = g_new0(uint32_t, s->bitfield_words); + s->enable = g_new0(uint32_t, s->num_enables); + + qdev_init_gpio_in(dev, sifive_plic_irq_request, s->num_sources); + + s->s_external_irqs = g_malloc(sizeof(qemu_irq) * s->num_harts); + qdev_init_gpio_out(dev, s->s_external_irqs, s->num_harts); + + s->m_external_irqs = g_malloc(sizeof(qemu_irq) * s->num_harts); + qdev_init_gpio_out(dev, s->m_external_irqs, s->num_harts); /* We can't allow the supervisor to control SEIP as this would allow the * supervisor to clear a pending external interrupt which will result in * lost a interrupt in the case a PLIC is attached. The SEIP bit must be * hardware controlled when a PLIC is attached. */ - for (i = 0; i < plic->num_harts; i++) { - RISCVCPU *cpu = RISCV_CPU(qemu_get_cpu(plic->hartid_base + i)); + for (i = 0; i < s->num_harts; i++) { + RISCVCPU *cpu = RISCV_CPU(qemu_get_cpu(s->hartid_base + i)); if (riscv_cpu_claim_interrupts(cpu, MIP_SEIP) < 0) { error_report("SEIP already claimed"); exit(1); @@ -496,6 +482,21 @@ static const VMStateDescription vmstate_sifive_plic = { } }; +static Property sifive_plic_properties[] = { + DEFINE_PROP_STRING("hart-config", SiFivePLICState, hart_config), + DEFINE_PROP_UINT32("hartid-base", SiFivePLICState, hartid_base, 0), + DEFINE_PROP_UINT32("num-sources", SiFivePLICState, num_sources, 0), + DEFINE_PROP_UINT32("num-priorities", SiFivePLICState, num_priorities, 0), + DEFINE_PROP_UINT32("priority-base", SiFivePLICState, priority_base, 0), + DEFINE_PROP_UINT32("pending-base", SiFivePLICState, pending_base, 0), + DEFINE_PROP_UINT32("enable-base", SiFivePLICState, enable_base, 0), + DEFINE_PROP_UINT32("enable-stride", SiFivePLICState, enable_stride, 0), + DEFINE_PROP_UINT32("context-base", SiFivePLICState, context_base, 0), + DEFINE_PROP_UINT32("context-stride", SiFivePLICState, context_stride, 0), + DEFINE_PROP_UINT32("aperture-size", SiFivePLICState, aperture_size, 0), + DEFINE_PROP_END_OF_LIST(), +}; + static void sifive_plic_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c index 993bf89064..d1ffc7b56c 100644 --- a/hw/riscv/boot.c +++ b/hw/riscv/boot.c @@ -35,7 +35,7 @@ bool riscv_is_32bit(RISCVHartArrayState *harts) { - return riscv_cpu_is_32bit(&harts->harts[0].env); + return harts->harts[0].env.misa_mxl_max == MXL_RV32; } target_ulong riscv_calc_kernel_start_addr(RISCVHartArrayState *harts, diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c index e475b6d511..3fc8545562 100644 --- a/hw/riscv/microchip_pfsoc.c +++ b/hw/riscv/microchip_pfsoc.c @@ -463,7 +463,7 @@ static void microchip_icicle_kit_machine_init(MachineState *machine) MemoryRegion *mem_low_alias = g_new(MemoryRegion, 1); MemoryRegion *mem_high = g_new(MemoryRegion, 1); MemoryRegion *mem_high_alias = g_new(MemoryRegion, 1); - uint64_t mem_high_size; + uint64_t mem_low_size, mem_high_size; hwaddr firmware_load_addr; const char *firmware_name; bool kernel_as_payload = false; @@ -485,32 +485,35 @@ static void microchip_icicle_kit_machine_init(MachineState *machine) TYPE_MICROCHIP_PFSOC); qdev_realize(DEVICE(&s->soc), NULL, &error_abort); + /* Split RAM into low and high regions using aliases to machine->ram */ + mem_low_size = memmap[MICROCHIP_PFSOC_DRAM_LO].size; + mem_high_size = machine->ram_size - mem_low_size; + memory_region_init_alias(mem_low, NULL, + "microchip.icicle.kit.ram_low", machine->ram, + 0, mem_low_size); + memory_region_init_alias(mem_high, NULL, + "microchip.icicle.kit.ram_high", machine->ram, + mem_low_size, mem_high_size); + /* Register RAM */ - memory_region_init_ram(mem_low, NULL, "microchip.icicle.kit.ram_low", - memmap[MICROCHIP_PFSOC_DRAM_LO].size, - &error_fatal); - memory_region_init_alias(mem_low_alias, NULL, - "microchip.icicle.kit.ram_low.alias", - mem_low, 0, - memmap[MICROCHIP_PFSOC_DRAM_LO_ALIAS].size); memory_region_add_subregion(system_memory, memmap[MICROCHIP_PFSOC_DRAM_LO].base, mem_low); memory_region_add_subregion(system_memory, + memmap[MICROCHIP_PFSOC_DRAM_HI].base, + mem_high); + + /* Create aliases for the low and high RAM regions */ + memory_region_init_alias(mem_low_alias, NULL, + "microchip.icicle.kit.ram_low.alias", + mem_low, 0, mem_low_size); + memory_region_add_subregion(system_memory, memmap[MICROCHIP_PFSOC_DRAM_LO_ALIAS].base, mem_low_alias); - - mem_high_size = machine->ram_size - 1 * GiB; - - memory_region_init_ram(mem_high, NULL, "microchip.icicle.kit.ram_high", - mem_high_size, &error_fatal); memory_region_init_alias(mem_high_alias, NULL, "microchip.icicle.kit.ram_high.alias", mem_high, 0, mem_high_size); memory_region_add_subregion(system_memory, - memmap[MICROCHIP_PFSOC_DRAM_HI].base, - mem_high); - memory_region_add_subregion(system_memory, memmap[MICROCHIP_PFSOC_DRAM_HI_ALIAS].base, mem_high_alias); @@ -606,6 +609,7 @@ static void microchip_icicle_kit_machine_class_init(ObjectClass *oc, void *data) MICROCHIP_PFSOC_COMPUTE_CPU_COUNT; mc->min_cpus = MICROCHIP_PFSOC_MANAGEMENT_CPU_COUNT + 1; mc->default_cpus = mc->min_cpus; + mc->default_ram_id = "microchip.icicle.kit.ram"; /* * Map 513 MiB high memory, the mimimum required high memory size, because diff --git a/hw/riscv/opentitan.c b/hw/riscv/opentitan.c index 9803ae6d70..83e1511f28 100644 --- a/hw/riscv/opentitan.c +++ b/hw/riscv/opentitan.c @@ -19,6 +19,7 @@ */ #include "qemu/osdep.h" +#include "qemu/cutils.h" #include "hw/riscv/opentitan.h" #include "qapi/error.h" #include "hw/boards.h" @@ -46,38 +47,43 @@ static const MemMapEntry ibex_memmap[] = { [IBEX_DEV_PINMUX] = { 0x40460000, 0x1000 }, [IBEX_DEV_PADCTRL] = { 0x40470000, 0x1000 }, [IBEX_DEV_FLASH_CTRL] = { 0x41000000, 0x1000 }, - [IBEX_DEV_PLIC] = { 0x41010000, 0x1000 }, [IBEX_DEV_AES] = { 0x41100000, 0x1000 }, [IBEX_DEV_HMAC] = { 0x41110000, 0x1000 }, [IBEX_DEV_KMAC] = { 0x41120000, 0x1000 }, - [IBEX_DEV_KEYMGR] = { 0x41130000, 0x1000 }, + [IBEX_DEV_OTBN] = { 0x41130000, 0x10000 }, + [IBEX_DEV_KEYMGR] = { 0x41140000, 0x1000 }, [IBEX_DEV_CSRNG] = { 0x41150000, 0x1000 }, [IBEX_DEV_ENTROPY] = { 0x41160000, 0x1000 }, [IBEX_DEV_EDNO] = { 0x41170000, 0x1000 }, [IBEX_DEV_EDN1] = { 0x41180000, 0x1000 }, [IBEX_DEV_ALERT_HANDLER] = { 0x411b0000, 0x1000 }, [IBEX_DEV_NMI_GEN] = { 0x411c0000, 0x1000 }, - [IBEX_DEV_OTBN] = { 0x411d0000, 0x10000 }, [IBEX_DEV_PERI] = { 0x411f0000, 0x10000 }, + [IBEX_DEV_PLIC] = { 0x48000000, 0x4005000 }, [IBEX_DEV_FLASH_VIRTUAL] = { 0x80000000, 0x80000 }, }; static void opentitan_board_init(MachineState *machine) { + MachineClass *mc = MACHINE_GET_CLASS(machine); const MemMapEntry *memmap = ibex_memmap; OpenTitanState *s = g_new0(OpenTitanState, 1); MemoryRegion *sys_mem = get_system_memory(); - MemoryRegion *main_mem = g_new(MemoryRegion, 1); + + if (machine->ram_size != mc->default_ram_size) { + char *sz = size_to_str(mc->default_ram_size); + error_report("Invalid RAM size, should be %s", sz); + g_free(sz); + exit(EXIT_FAILURE); + } /* Initialize SoC */ object_initialize_child(OBJECT(machine), "soc", &s->soc, TYPE_RISCV_IBEX_SOC); qdev_realize(DEVICE(&s->soc), NULL, &error_abort); - memory_region_init_ram(main_mem, NULL, "riscv.lowrisc.ibex.ram", - memmap[IBEX_DEV_RAM].size, &error_fatal); memory_region_add_subregion(sys_mem, - memmap[IBEX_DEV_RAM].base, main_mem); + memmap[IBEX_DEV_RAM].base, machine->ram); if (machine->firmware) { riscv_load_firmware(machine->firmware, memmap[IBEX_DEV_RAM].base, NULL); @@ -95,6 +101,8 @@ static void opentitan_machine_init(MachineClass *mc) mc->init = opentitan_board_init; mc->max_cpus = 1; mc->default_cpu_type = TYPE_RISCV_CPU_IBEX; + mc->default_ram_id = "riscv.lowrisc.ibex.ram"; + mc->default_ram_size = ibex_memmap[IBEX_DEV_RAM].size; } DEFINE_MACHINE("opentitan", opentitan_machine_init) @@ -105,7 +113,7 @@ static void lowrisc_ibex_soc_init(Object *obj) object_initialize_child(obj, "cpus", &s->cpus, TYPE_RISCV_HART_ARRAY); - object_initialize_child(obj, "plic", &s->plic, TYPE_IBEX_PLIC); + object_initialize_child(obj, "plic", &s->plic, TYPE_SIFIVE_PLIC); object_initialize_child(obj, "uart", &s->uart, TYPE_IBEX_UART); @@ -145,6 +153,18 @@ static void lowrisc_ibex_soc_realize(DeviceState *dev_soc, Error **errp) &s->flash_alias); /* PLIC */ + qdev_prop_set_string(DEVICE(&s->plic), "hart-config", "M"); + qdev_prop_set_uint32(DEVICE(&s->plic), "hartid-base", 0); + qdev_prop_set_uint32(DEVICE(&s->plic), "num-sources", 180); + qdev_prop_set_uint32(DEVICE(&s->plic), "num-priorities", 3); + qdev_prop_set_uint32(DEVICE(&s->plic), "priority-base", 0x00); + qdev_prop_set_uint32(DEVICE(&s->plic), "pending-base", 0x1000); + qdev_prop_set_uint32(DEVICE(&s->plic), "enable-base", 0x2000); + qdev_prop_set_uint32(DEVICE(&s->plic), "enable-stride", 0x18); + qdev_prop_set_uint32(DEVICE(&s->plic), "context-base", 0x200004); + qdev_prop_set_uint32(DEVICE(&s->plic), "context-stride", 4); + qdev_prop_set_uint32(DEVICE(&s->plic), "aperture-size", memmap[IBEX_DEV_PLIC].size); + if (!sysbus_realize(SYS_BUS_DEVICE(&s->plic), errp)) { return; } @@ -153,7 +173,7 @@ static void lowrisc_ibex_soc_realize(DeviceState *dev_soc, Error **errp) for (i = 0; i < ms->smp.cpus; i++) { CPUState *cpu = qemu_get_cpu(i); - qdev_connect_gpio_out(DEVICE(&s->plic), i, + qdev_connect_gpio_out(DEVICE(&s->plic), ms->smp.cpus + i, qdev_get_gpio_in(DEVICE(cpu), IRQ_M_EXT)); } diff --git a/hw/riscv/shakti_c.c b/hw/riscv/shakti_c.c index d7d1f91fa5..90e2cf609f 100644 --- a/hw/riscv/shakti_c.c +++ b/hw/riscv/shakti_c.c @@ -45,7 +45,6 @@ static void shakti_c_machine_state_init(MachineState *mstate) { ShaktiCMachineState *sms = RISCV_SHAKTI_MACHINE(mstate); MemoryRegion *system_memory = get_system_memory(); - MemoryRegion *main_mem = g_new(MemoryRegion, 1); /* Allow only Shakti C CPU for this platform */ if (strcmp(mstate->cpu_type, TYPE_RISCV_CPU_SHAKTI_C) != 0) { @@ -59,11 +58,9 @@ static void shakti_c_machine_state_init(MachineState *mstate) qdev_realize(DEVICE(&sms->soc), NULL, &error_abort); /* register RAM */ - memory_region_init_ram(main_mem, NULL, "riscv.shakti.c.ram", - mstate->ram_size, &error_fatal); memory_region_add_subregion(system_memory, shakti_c_memmap[SHAKTI_C_RAM].base, - main_mem); + mstate->ram); /* ROM reset vector */ riscv_setup_rom_reset_vec(mstate, &sms->soc.cpus, @@ -88,6 +85,7 @@ static void shakti_c_machine_class_init(ObjectClass *klass, void *data) mc->desc = "RISC-V Board compatible with Shakti SDK"; mc->init = shakti_c_machine_state_init; mc->default_cpu_type = TYPE_RISCV_CPU_SHAKTI_C; + mc->default_ram_id = "riscv.shakti.c.ram"; } static const TypeInfo shakti_c_machine_type_info = { diff --git a/hw/riscv/sifive_e.c b/hw/riscv/sifive_e.c index 6e95ea5896..9b206407a6 100644 --- a/hw/riscv/sifive_e.c +++ b/hw/riscv/sifive_e.c @@ -29,6 +29,7 @@ */ #include "qemu/osdep.h" +#include "qemu/cutils.h" #include "qemu/error-report.h" #include "qapi/error.h" #include "hw/boards.h" @@ -71,22 +72,27 @@ static const MemMapEntry sifive_e_memmap[] = { static void sifive_e_machine_init(MachineState *machine) { + MachineClass *mc = MACHINE_GET_CLASS(machine); const MemMapEntry *memmap = sifive_e_memmap; SiFiveEState *s = RISCV_E_MACHINE(machine); MemoryRegion *sys_mem = get_system_memory(); - MemoryRegion *main_mem = g_new(MemoryRegion, 1); int i; + if (machine->ram_size != mc->default_ram_size) { + char *sz = size_to_str(mc->default_ram_size); + error_report("Invalid RAM size, should be %s", sz); + g_free(sz); + exit(EXIT_FAILURE); + } + /* Initialize SoC */ object_initialize_child(OBJECT(machine), "soc", &s->soc, TYPE_RISCV_E_SOC); qdev_realize(DEVICE(&s->soc), NULL, &error_abort); /* Data Tightly Integrated Memory */ - memory_region_init_ram(main_mem, NULL, "riscv.sifive.e.ram", - memmap[SIFIVE_E_DEV_DTIM].size, &error_fatal); memory_region_add_subregion(sys_mem, - memmap[SIFIVE_E_DEV_DTIM].base, main_mem); + memmap[SIFIVE_E_DEV_DTIM].base, machine->ram); /* Mask ROM reset vector */ uint32_t reset_vec[4]; @@ -142,6 +148,8 @@ static void sifive_e_machine_class_init(ObjectClass *oc, void *data) mc->init = sifive_e_machine_init; mc->max_cpus = 1; mc->default_cpu_type = SIFIVE_E_CPU; + mc->default_ram_id = "riscv.sifive.e.ram"; + mc->default_ram_size = sifive_e_memmap[SIFIVE_E_DEV_DTIM].size; object_class_property_add_bool(oc, "revb", sifive_e_machine_get_revb, sifive_e_machine_set_revb); diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index fc5790b8ce..0217006c27 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -528,7 +528,6 @@ static void sifive_u_machine_init(MachineState *machine) const MemMapEntry *memmap = sifive_u_memmap; SiFiveUState *s = RISCV_U_MACHINE(machine); MemoryRegion *system_memory = get_system_memory(); - MemoryRegion *main_mem = g_new(MemoryRegion, 1); MemoryRegion *flash0 = g_new(MemoryRegion, 1); target_ulong start_addr = memmap[SIFIVE_U_DEV_DRAM].base; target_ulong firmware_end_addr, kernel_start_addr; @@ -549,10 +548,8 @@ static void sifive_u_machine_init(MachineState *machine) qdev_realize(DEVICE(&s->soc), NULL, &error_abort); /* register RAM */ - memory_region_init_ram(main_mem, NULL, "riscv.sifive.u.ram", - machine->ram_size, &error_fatal); memory_region_add_subregion(system_memory, memmap[SIFIVE_U_DEV_DRAM].base, - main_mem); + machine->ram); /* register QSPI0 Flash */ memory_region_init_ram(flash0, NULL, "riscv.sifive.u.flash0", @@ -748,6 +745,7 @@ static void sifive_u_machine_class_init(ObjectClass *oc, void *data) mc->min_cpus = SIFIVE_U_MANAGEMENT_CPU_COUNT + 1; mc->default_cpu_type = SIFIVE_U_CPU; mc->default_cpus = mc->min_cpus; + mc->default_ram_id = "riscv.sifive.u.ram"; object_class_property_add_bool(oc, "start-in-flash", sifive_u_machine_get_start_in_flash, diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c index 79ae355ae2..288d69cd9f 100644 --- a/hw/riscv/spike.c +++ b/hw/riscv/spike.c @@ -180,7 +180,6 @@ static void spike_board_init(MachineState *machine) const MemMapEntry *memmap = spike_memmap; SpikeState *s = SPIKE_MACHINE(machine); MemoryRegion *system_memory = get_system_memory(); - MemoryRegion *main_mem = g_new(MemoryRegion, 1); MemoryRegion *mask_rom = g_new(MemoryRegion, 1); target_ulong firmware_end_addr, kernel_start_addr; uint32_t fdt_load_addr; @@ -239,10 +238,8 @@ static void spike_board_init(MachineState *machine) } /* register system main memory (actual RAM) */ - memory_region_init_ram(main_mem, NULL, "riscv.spike.ram", - machine->ram_size, &error_fatal); memory_region_add_subregion(system_memory, memmap[SPIKE_DRAM].base, - main_mem); + machine->ram); /* create device tree */ create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline, @@ -326,6 +323,7 @@ static void spike_machine_class_init(ObjectClass *oc, void *data) mc->cpu_index_to_instance_props = riscv_numa_cpu_index_to_props; mc->get_default_cpu_node_id = riscv_numa_get_default_cpu_node_id; mc->numa_mem_supported = true; + mc->default_ram_id = "riscv.spike.ram"; } static const TypeInfo spike_machine_typeinfo = { diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index ec0cb69b8c..b3b431c847 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -771,7 +771,6 @@ static void virt_machine_init(MachineState *machine) const MemMapEntry *memmap = virt_memmap; RISCVVirtState *s = RISCV_VIRT_MACHINE(machine); MemoryRegion *system_memory = get_system_memory(); - MemoryRegion *main_mem = g_new(MemoryRegion, 1); MemoryRegion *mask_rom = g_new(MemoryRegion, 1); char *plic_hart_config, *soc_name; target_ulong start_addr = memmap[VIRT_DRAM].base; @@ -890,10 +889,8 @@ static void virt_machine_init(MachineState *machine) } /* register system main memory (actual RAM) */ - memory_region_init_ram(main_mem, NULL, "riscv_virt_board.ram", - machine->ram_size, &error_fatal); memory_region_add_subregion(system_memory, memmap[VIRT_DRAM].base, - main_mem); + machine->ram); /* create device tree */ create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline, @@ -1032,6 +1029,7 @@ static void virt_machine_class_init(ObjectClass *oc, void *data) mc->cpu_index_to_instance_props = riscv_numa_cpu_index_to_props; mc->get_default_cpu_node_id = riscv_numa_get_default_cpu_node_id; mc->numa_mem_supported = true; + mc->default_ram_id = "riscv_virt_board.ram"; machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE); 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