diff options
41 files changed, 1366 insertions, 444 deletions
diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx index c59444c461..257ee7d7a3 100644 --- a/hmp-commands-info.hx +++ b/hmp-commands-info.hx @@ -249,7 +249,7 @@ STEXI Show virtual to physical memory mappings. ETEXI -#if defined(TARGET_I386) +#if defined(TARGET_I386) || defined(TARGET_RISCV) { .name = "mem", .args_type = "", diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig index 8674211085..fb19b2df3a 100644 --- a/hw/riscv/Kconfig +++ b/hw/riscv/Kconfig @@ -12,12 +12,14 @@ config SIFIVE_E bool select HART select SIFIVE + select UNIMP config SIFIVE_U bool select CADENCE select HART select SIFIVE + select UNIMP config SPIKE bool diff --git a/hw/riscv/Makefile.objs b/hw/riscv/Makefile.objs index eb9d4f9ffc..fc3c6dd7c8 100644 --- a/hw/riscv/Makefile.objs +++ b/hw/riscv/Makefile.objs @@ -2,12 +2,14 @@ obj-y += boot.o obj-$(CONFIG_SPIKE) += riscv_htif.o obj-$(CONFIG_HART) += riscv_hart.o obj-$(CONFIG_SIFIVE_E) += sifive_e.o +obj-$(CONFIG_SIFIVE_E) += sifive_e_prci.o obj-$(CONFIG_SIFIVE) += sifive_clint.o obj-$(CONFIG_SIFIVE) += sifive_gpio.o -obj-$(CONFIG_SIFIVE) += sifive_prci.o obj-$(CONFIG_SIFIVE) += sifive_plic.o obj-$(CONFIG_SIFIVE) += sifive_test.o obj-$(CONFIG_SIFIVE_U) += sifive_u.o +obj-$(CONFIG_SIFIVE_U) += sifive_u_otp.o +obj-$(CONFIG_SIFIVE_U) += sifive_u_prci.o obj-$(CONFIG_SIFIVE) += sifive_uart.o obj-$(CONFIG_SPIKE) += spike.o obj-$(CONFIG_RISCV_VIRT) += virt.o diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c index 4c63b5cf8a..2e92fb0680 100644 --- a/hw/riscv/boot.c +++ b/hw/riscv/boot.c @@ -69,25 +69,33 @@ void riscv_find_and_load_firmware(MachineState *machine, * so then in the future we can make "-bios default" the default option * if no -bios option is set without breaking anything. */ - firmware_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, - default_machine_firmware); - if (firmware_filename == NULL) { - error_report("Unable to load the default RISC-V firmware \"%s\"", - default_machine_firmware); - exit(1); - } + firmware_filename = riscv_find_firmware(default_machine_firmware); } else { firmware_filename = machine->firmware; + if (strcmp(firmware_filename, "none")) { + firmware_filename = riscv_find_firmware(firmware_filename); + } } if (strcmp(firmware_filename, "none")) { /* If not "none" load the firmware */ riscv_load_firmware(firmware_filename, firmware_load_addr); + g_free(firmware_filename); } +} - if (!strcmp(machine->firmware, "default")) { - g_free(firmware_filename); +char *riscv_find_firmware(const char *firmware_filename) +{ + char *filename; + + filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, firmware_filename); + if (filename == NULL) { + error_report("Unable to load the RISC-V firmware \"%s\"", + firmware_filename); + exit(1); } + + return filename; } target_ulong riscv_load_firmware(const char *firmware_filename, diff --git a/hw/riscv/riscv_hart.c b/hw/riscv/riscv_hart.c index d0f3199968..5b98227db6 100644 --- a/hw/riscv/riscv_hart.c +++ b/hw/riscv/riscv_hart.c @@ -3,7 +3,7 @@ * * Copyright (c) 2017 SiFive, Inc. * - * Holds the state of a heterogenous array of RISC-V harts + * Holds the state of a homogeneous array of RISC-V harts * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -29,6 +29,7 @@ static Property riscv_harts_props[] = { DEFINE_PROP_UINT32("num-harts", RISCVHartArrayState, num_harts, 1), + DEFINE_PROP_UINT32("hartid-base", RISCVHartArrayState, hartid_base, 0), DEFINE_PROP_STRING("cpu-type", RISCVHartArrayState, cpu_type), DEFINE_PROP_END_OF_LIST(), }; @@ -39,26 +40,33 @@ static void riscv_harts_cpu_reset(void *opaque) cpu_reset(CPU(cpu)); } +static void riscv_hart_realize(RISCVHartArrayState *s, int idx, + char *cpu_type, Error **errp) +{ + Error *err = NULL; + + object_initialize_child(OBJECT(s), "harts[*]", &s->harts[idx], + sizeof(RISCVCPU), cpu_type, + &error_abort, NULL); + s->harts[idx].env.mhartid = s->hartid_base + idx; + qemu_register_reset(riscv_harts_cpu_reset, &s->harts[idx]); + object_property_set_bool(OBJECT(&s->harts[idx]), true, + "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } +} + static void riscv_harts_realize(DeviceState *dev, Error **errp) { RISCVHartArrayState *s = RISCV_HART_ARRAY(dev); - Error *err = NULL; int n; s->harts = g_new0(RISCVCPU, s->num_harts); for (n = 0; n < s->num_harts; n++) { - object_initialize_child(OBJECT(s), "harts[*]", &s->harts[n], - sizeof(RISCVCPU), s->cpu_type, - &error_abort, NULL); - s->harts[n].env.mhartid = n; - qemu_register_reset(riscv_harts_cpu_reset, &s->harts[n]); - object_property_set_bool(OBJECT(&s->harts[n]), true, - "realized", &err); - if (err) { - error_propagate(errp, err); - return; - } + riscv_hart_realize(s, n, s->cpu_type, errp); } } diff --git a/hw/riscv/sifive_e.c b/hw/riscv/sifive_e.c index 792d75a1a3..0f9d641a0e 100644 --- a/hw/riscv/sifive_e.c +++ b/hw/riscv/sifive_e.c @@ -36,13 +36,14 @@ #include "hw/loader.h" #include "hw/sysbus.h" #include "hw/char/serial.h" +#include "hw/misc/unimp.h" #include "target/riscv/cpu.h" #include "hw/riscv/riscv_hart.h" #include "hw/riscv/sifive_plic.h" #include "hw/riscv/sifive_clint.h" -#include "hw/riscv/sifive_prci.h" #include "hw/riscv/sifive_uart.h" #include "hw/riscv/sifive_e.h" +#include "hw/riscv/sifive_e_prci.h" #include "hw/riscv/boot.h" #include "chardev/char.h" #include "sysemu/arch_init.h" @@ -74,14 +75,6 @@ static const struct MemmapEntry { [SIFIVE_E_DTIM] = { 0x80000000, 0x4000 } }; -static void sifive_mmio_emulate(MemoryRegion *parent, const char *name, - uintptr_t offset, uintptr_t length) -{ - MemoryRegion *mock_mmio = g_new(MemoryRegion, 1); - memory_region_init_ram(mock_mmio, NULL, name, length, &error_fatal); - memory_region_add_subregion(parent, offset, mock_mmio); -} - static void riscv_sifive_e_init(MachineState *machine) { const struct MemmapEntry *memmap = sifive_e_memmap; @@ -172,9 +165,9 @@ static void riscv_sifive_e_soc_realize(DeviceState *dev, Error **errp) sifive_clint_create(memmap[SIFIVE_E_CLINT].base, memmap[SIFIVE_E_CLINT].size, ms->smp.cpus, SIFIVE_SIP_BASE, SIFIVE_TIMECMP_BASE, SIFIVE_TIME_BASE); - sifive_mmio_emulate(sys_mem, "riscv.sifive.e.aon", + create_unimplemented_device("riscv.sifive.e.aon", memmap[SIFIVE_E_AON].base, memmap[SIFIVE_E_AON].size); - sifive_prci_create(memmap[SIFIVE_E_PRCI].base); + sifive_e_prci_create(memmap[SIFIVE_E_PRCI].base); /* GPIO */ @@ -199,19 +192,19 @@ static void riscv_sifive_e_soc_realize(DeviceState *dev, Error **errp) sifive_uart_create(sys_mem, memmap[SIFIVE_E_UART0].base, serial_hd(0), qdev_get_gpio_in(DEVICE(s->plic), SIFIVE_E_UART0_IRQ)); - sifive_mmio_emulate(sys_mem, "riscv.sifive.e.qspi0", + create_unimplemented_device("riscv.sifive.e.qspi0", memmap[SIFIVE_E_QSPI0].base, memmap[SIFIVE_E_QSPI0].size); - sifive_mmio_emulate(sys_mem, "riscv.sifive.e.pwm0", + create_unimplemented_device("riscv.sifive.e.pwm0", memmap[SIFIVE_E_PWM0].base, memmap[SIFIVE_E_PWM0].size); sifive_uart_create(sys_mem, memmap[SIFIVE_E_UART1].base, serial_hd(1), qdev_get_gpio_in(DEVICE(s->plic), SIFIVE_E_UART1_IRQ)); - sifive_mmio_emulate(sys_mem, "riscv.sifive.e.qspi1", + create_unimplemented_device("riscv.sifive.e.qspi1", memmap[SIFIVE_E_QSPI1].base, memmap[SIFIVE_E_QSPI1].size); - sifive_mmio_emulate(sys_mem, "riscv.sifive.e.pwm1", + create_unimplemented_device("riscv.sifive.e.pwm1", memmap[SIFIVE_E_PWM1].base, memmap[SIFIVE_E_PWM1].size); - sifive_mmio_emulate(sys_mem, "riscv.sifive.e.qspi2", + create_unimplemented_device("riscv.sifive.e.qspi2", memmap[SIFIVE_E_QSPI2].base, memmap[SIFIVE_E_QSPI2].size); - sifive_mmio_emulate(sys_mem, "riscv.sifive.e.pwm2", + create_unimplemented_device("riscv.sifive.e.pwm2", memmap[SIFIVE_E_PWM2].base, memmap[SIFIVE_E_PWM2].size); /* Flash memory */ diff --git a/hw/riscv/sifive_e_prci.c b/hw/riscv/sifive_e_prci.c new file mode 100644 index 0000000000..a1c0d44f18 --- /dev/null +++ b/hw/riscv/sifive_e_prci.c @@ -0,0 +1,124 @@ +/* + * QEMU SiFive E PRCI (Power, Reset, Clock, Interrupt) + * + * Copyright (c) 2017 SiFive, Inc. + * + * Simple model of the PRCI to emulate register reads made by the SDK BSP + * + * 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 "hw/sysbus.h" +#include "qemu/log.h" +#include "qemu/module.h" +#include "hw/hw.h" +#include "hw/riscv/sifive_e_prci.h" + +static uint64_t sifive_e_prci_read(void *opaque, hwaddr addr, unsigned int size) +{ + SiFiveEPRCIState *s = opaque; + switch (addr) { + case SIFIVE_E_PRCI_HFROSCCFG: + return s->hfrosccfg; + case SIFIVE_E_PRCI_HFXOSCCFG: + return s->hfxosccfg; + case SIFIVE_E_PRCI_PLLCFG: + return s->pllcfg; + case SIFIVE_E_PRCI_PLLOUTDIV: + return s->plloutdiv; + } + qemu_log_mask(LOG_GUEST_ERROR, "%s: read: addr=0x%x\n", + __func__, (int)addr); + return 0; +} + +static void sifive_e_prci_write(void *opaque, hwaddr addr, + uint64_t val64, unsigned int size) +{ + SiFiveEPRCIState *s = opaque; + switch (addr) { + case SIFIVE_E_PRCI_HFROSCCFG: + s->hfrosccfg = (uint32_t) val64; + /* OSC stays ready */ + s->hfrosccfg |= SIFIVE_E_PRCI_HFROSCCFG_RDY; + break; + case SIFIVE_E_PRCI_HFXOSCCFG: + s->hfxosccfg = (uint32_t) val64; + /* OSC stays ready */ + s->hfxosccfg |= SIFIVE_E_PRCI_HFXOSCCFG_RDY; + break; + case SIFIVE_E_PRCI_PLLCFG: + s->pllcfg = (uint32_t) val64; + /* PLL stays locked */ + s->pllcfg |= SIFIVE_E_PRCI_PLLCFG_LOCK; + break; + case SIFIVE_E_PRCI_PLLOUTDIV: + s->plloutdiv = (uint32_t) val64; + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: bad write: addr=0x%x v=0x%x\n", + __func__, (int)addr, (int)val64); + } +} + +static const MemoryRegionOps sifive_e_prci_ops = { + .read = sifive_e_prci_read, + .write = sifive_e_prci_write, + .endianness = DEVICE_NATIVE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4 + } +}; + +static void sifive_e_prci_init(Object *obj) +{ + SiFiveEPRCIState *s = SIFIVE_E_PRCI(obj); + + memory_region_init_io(&s->mmio, obj, &sifive_e_prci_ops, s, + TYPE_SIFIVE_E_PRCI, SIFIVE_E_PRCI_REG_SIZE); + sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->mmio); + + s->hfrosccfg = (SIFIVE_E_PRCI_HFROSCCFG_RDY | SIFIVE_E_PRCI_HFROSCCFG_EN); + s->hfxosccfg = (SIFIVE_E_PRCI_HFXOSCCFG_RDY | SIFIVE_E_PRCI_HFXOSCCFG_EN); + s->pllcfg = (SIFIVE_E_PRCI_PLLCFG_REFSEL | SIFIVE_E_PRCI_PLLCFG_BYPASS | + SIFIVE_E_PRCI_PLLCFG_LOCK); + s->plloutdiv = SIFIVE_E_PRCI_PLLOUTDIV_DIV1; +} + +static const TypeInfo sifive_e_prci_info = { + .name = TYPE_SIFIVE_E_PRCI, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(SiFiveEPRCIState), + .instance_init = sifive_e_prci_init, +}; + +static void sifive_e_prci_register_types(void) +{ + type_register_static(&sifive_e_prci_info); +} + +type_init(sifive_e_prci_register_types) + + +/* + * Create PRCI device. + */ +DeviceState *sifive_e_prci_create(hwaddr addr) +{ + DeviceState *dev = qdev_create(NULL, TYPE_SIFIVE_E_PRCI); + qdev_init_nofail(dev); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, addr); + return dev; +} diff --git a/hw/riscv/sifive_plic.c b/hw/riscv/sifive_plic.c index 64a1a10380..98e4304b66 100644 --- a/hw/riscv/sifive_plic.c +++ b/hw/riscv/sifive_plic.c @@ -162,18 +162,6 @@ static void sifive_plic_update(SiFivePLICState *plic) } } -void sifive_plic_raise_irq(SiFivePLICState *plic, uint32_t irq) -{ - sifive_plic_set_pending(plic, irq, true); - sifive_plic_update(plic); -} - -void sifive_plic_lower_irq(SiFivePLICState *plic, uint32_t irq) -{ - sifive_plic_set_pending(plic, irq, false); - sifive_plic_update(plic); -} - static uint32_t sifive_plic_claim(SiFivePLICState *plic, uint32_t addrid) { int i, j; diff --git a/hw/riscv/sifive_prci.c b/hw/riscv/sifive_prci.c deleted file mode 100644 index 9837b6166f..0000000000 --- a/hw/riscv/sifive_prci.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * QEMU SiFive PRCI (Power, Reset, Clock, Interrupt) - * - * Copyright (c) 2017 SiFive, Inc. - * - * Simple model of the PRCI to emulate register reads made by the SDK BSP - * - * 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 "hw/hw.h" -#include "hw/sysbus.h" -#include "qemu/module.h" -#include "target/riscv/cpu.h" -#include "hw/hw.h" -#include "hw/riscv/sifive_prci.h" - -static uint64_t sifive_prci_read(void *opaque, hwaddr addr, unsigned int size) -{ - SiFivePRCIState *s = opaque; - switch (addr) { - case SIFIVE_PRCI_HFROSCCFG: - return s->hfrosccfg; - case SIFIVE_PRCI_HFXOSCCFG: - return s->hfxosccfg; - case SIFIVE_PRCI_PLLCFG: - return s->pllcfg; - case SIFIVE_PRCI_PLLOUTDIV: - return s->plloutdiv; - } - hw_error("%s: read: addr=0x%x\n", __func__, (int)addr); - return 0; -} - -static void sifive_prci_write(void *opaque, hwaddr addr, - uint64_t val64, unsigned int size) -{ - SiFivePRCIState *s = opaque; - switch (addr) { - case SIFIVE_PRCI_HFROSCCFG: - s->hfrosccfg = (uint32_t) val64; - /* OSC stays ready */ - s->hfrosccfg |= SIFIVE_PRCI_HFROSCCFG_RDY; - break; - case SIFIVE_PRCI_HFXOSCCFG: - s->hfxosccfg = (uint32_t) val64; - /* OSC stays ready */ - s->hfxosccfg |= SIFIVE_PRCI_HFXOSCCFG_RDY; - break; - case SIFIVE_PRCI_PLLCFG: - s->pllcfg = (uint32_t) val64; - /* PLL stays locked */ - s->pllcfg |= SIFIVE_PRCI_PLLCFG_LOCK; - break; - case SIFIVE_PRCI_PLLOUTDIV: - s->plloutdiv = (uint32_t) val64; - break; - default: - hw_error("%s: bad write: addr=0x%x v=0x%x\n", - __func__, (int)addr, (int)val64); - } -} - -static const MemoryRegionOps sifive_prci_ops = { - .read = sifive_prci_read, - .write = sifive_prci_write, - .endianness = DEVICE_NATIVE_ENDIAN, - .valid = { - .min_access_size = 4, - .max_access_size = 4 - } -}; - -static void sifive_prci_init(Object *obj) -{ - SiFivePRCIState *s = SIFIVE_PRCI(obj); - - memory_region_init_io(&s->mmio, obj, &sifive_prci_ops, s, - TYPE_SIFIVE_PRCI, 0x8000); - sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->mmio); - - s->hfrosccfg = (SIFIVE_PRCI_HFROSCCFG_RDY | SIFIVE_PRCI_HFROSCCFG_EN); - s->hfxosccfg = (SIFIVE_PRCI_HFROSCCFG_RDY | SIFIVE_PRCI_HFROSCCFG_EN); - s->pllcfg = (SIFIVE_PRCI_PLLCFG_REFSEL | SIFIVE_PRCI_PLLCFG_BYPASS | - SIFIVE_PRCI_PLLCFG_LOCK); - s->plloutdiv = SIFIVE_PRCI_PLLOUTDIV_DIV1; - -} - -static const TypeInfo sifive_prci_info = { - .name = TYPE_SIFIVE_PRCI, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(SiFivePRCIState), - .instance_init = sifive_prci_init, -}; - -static void sifive_prci_register_types(void) -{ - type_register_static(&sifive_prci_info); -} - -type_init(sifive_prci_register_types) - - -/* - * Create PRCI device. - */ -DeviceState *sifive_prci_create(hwaddr addr) -{ - DeviceState *dev = qdev_create(NULL, TYPE_SIFIVE_PRCI); - qdev_init_nofail(dev); - sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, addr); - return dev; -} diff --git a/hw/riscv/sifive_test.c b/hw/riscv/sifive_test.c index afbb3aaf34..339195c6ff 100644 --- a/hw/riscv/sifive_test.c +++ b/hw/riscv/sifive_test.c @@ -19,10 +19,10 @@ */ #include "qemu/osdep.h" -#include "hw/hw.h" #include "hw/sysbus.h" +#include "qemu/log.h" #include "qemu/module.h" -#include "target/riscv/cpu.h" +#include "sysemu/runstate.h" #include "hw/hw.h" #include "hw/riscv/sifive_test.h" @@ -42,12 +42,15 @@ static void sifive_test_write(void *opaque, hwaddr addr, exit(code); case FINISHER_PASS: exit(0); + case FINISHER_RESET: + qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); + return; default: break; } } - hw_error("%s: write: addr=0x%x val=0x%016" PRIx64 "\n", - __func__, (int)addr, val64); + qemu_log_mask(LOG_GUEST_ERROR, "%s: write: addr=0x%x val=0x%016" PRIx64 "\n", + __func__, (int)addr, val64); } static const MemoryRegionOps sifive_test_ops = { diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index 9910fa6708..9f8e84bf2e 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -3,14 +3,19 @@ * * Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu * Copyright (c) 2017 SiFive, Inc. + * Copyright (c) 2019 Bin Meng <bmeng.cn@gmail.com> * * Provides a board compatible with the SiFive Freedom U SDK: * * 0) UART * 1) CLINT (Core Level Interruptor) * 2) PLIC (Platform Level Interrupt Controller) + * 3) PRCI (Power, Reset, Clock, Interrupt) + * 4) OTP (One-Time Programmable) memory with stored serial number + * 5) GEM (Gigabit Ethernet Controller) and management block * - * This board currently uses a hardcoded devicetree that indicates one hart. + * This board currently generates devicetree dynamically that indicates at least + * two harts and up to five harts. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -33,15 +38,17 @@ #include "hw/loader.h" #include "hw/sysbus.h" #include "hw/char/serial.h" +#include "hw/cpu/cluster.h" +#include "hw/misc/unimp.h" #include "target/riscv/cpu.h" #include "hw/riscv/riscv_hart.h" #include "hw/riscv/sifive_plic.h" #include "hw/riscv/sifive_clint.h" #include "hw/riscv/sifive_uart.h" -#include "hw/riscv/sifive_prci.h" #include "hw/riscv/sifive_u.h" #include "hw/riscv/boot.h" #include "chardev/char.h" +#include "net/eth.h" #include "sysemu/arch_init.h" #include "sysemu/device_tree.h" #include "sysemu/sysemu.h" @@ -59,23 +66,29 @@ static const struct MemmapEntry { [SIFIVE_U_MROM] = { 0x1000, 0x11000 }, [SIFIVE_U_CLINT] = { 0x2000000, 0x10000 }, [SIFIVE_U_PLIC] = { 0xc000000, 0x4000000 }, - [SIFIVE_U_UART0] = { 0x10013000, 0x1000 }, - [SIFIVE_U_UART1] = { 0x10023000, 0x1000 }, + [SIFIVE_U_PRCI] = { 0x10000000, 0x1000 }, + [SIFIVE_U_UART0] = { 0x10010000, 0x1000 }, + [SIFIVE_U_UART1] = { 0x10011000, 0x1000 }, + [SIFIVE_U_OTP] = { 0x10070000, 0x1000 }, [SIFIVE_U_DRAM] = { 0x80000000, 0x0 }, - [SIFIVE_U_GEM] = { 0x100900FC, 0x2000 }, + [SIFIVE_U_GEM] = { 0x10090000, 0x2000 }, + [SIFIVE_U_GEM_MGMT] = { 0x100a0000, 0x1000 }, }; +#define OTP_SERIAL 1 #define GEM_REVISION 0x10070109 static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, uint64_t mem_size, const char *cmdline) { + MachineState *ms = MACHINE(qdev_get_machine()); void *fdt; int cpu; uint32_t *cells; char *nodename; - char ethclk_names[] = "pclk\0hclk\0tx_clk"; - uint32_t plic_phandle, ethclk_phandle, phandle = 1; + char ethclk_names[] = "pclk\0hclk"; + uint32_t plic_phandle, prci_phandle, phandle = 1; + uint32_t hfclk_phandle, rtcclk_phandle, phy_phandle; fdt = s->fdt = create_device_tree(&s->fdt_size); if (!fdt) { @@ -83,8 +96,9 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, exit(1); } - qemu_fdt_setprop_string(fdt, "/", "model", "ucbbar,spike-bare,qemu"); - qemu_fdt_setprop_string(fdt, "/", "compatible", "ucbbar,spike-bare-dev"); + qemu_fdt_setprop_string(fdt, "/", "model", "SiFive HiFive Unleashed A00"); + qemu_fdt_setprop_string(fdt, "/", "compatible", + "sifive,hifive-unleashed-a00"); qemu_fdt_setprop_cell(fdt, "/", "#size-cells", 0x2); qemu_fdt_setprop_cell(fdt, "/", "#address-cells", 0x2); @@ -94,6 +108,28 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cell(fdt, "/soc", "#size-cells", 0x2); qemu_fdt_setprop_cell(fdt, "/soc", "#address-cells", 0x2); + hfclk_phandle = phandle++; + nodename = g_strdup_printf("/hfclk"); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_cell(fdt, nodename, "phandle", hfclk_phandle); + qemu_fdt_setprop_string(fdt, nodename, "clock-output-names", "hfclk"); + qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", + SIFIVE_U_HFCLK_FREQ); + qemu_fdt_setprop_string(fdt, nodename, "compatible", "fixed-clock"); + qemu_fdt_setprop_cell(fdt, nodename, "#clock-cells", 0x0); + g_free(nodename); + + rtcclk_phandle = phandle++; + nodename = g_strdup_printf("/rtcclk"); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_cell(fdt, nodename, "phandle", rtcclk_phandle); + qemu_fdt_setprop_string(fdt, nodename, "clock-output-names", "rtcclk"); + qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", + SIFIVE_U_RTCCLK_FREQ); + qemu_fdt_setprop_string(fdt, nodename, "compatible", "fixed-clock"); + qemu_fdt_setprop_cell(fdt, nodename, "#clock-cells", 0x0); + g_free(nodename); + nodename = g_strdup_printf("/memory@%lx", (long)memmap[SIFIVE_U_DRAM].base); qemu_fdt_add_subnode(fdt, nodename); @@ -109,15 +145,21 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0x0); qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 0x1); - for (cpu = s->soc.cpus.num_harts - 1; cpu >= 0; cpu--) { + for (cpu = ms->smp.cpus - 1; cpu >= 0; cpu--) { int cpu_phandle = phandle++; nodename = g_strdup_printf("/cpus/cpu@%d", cpu); char *intc = g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu); - char *isa = riscv_isa_string(&s->soc.cpus.harts[cpu]); + char *isa; qemu_fdt_add_subnode(fdt, nodename); qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", SIFIVE_U_CLOCK_FREQ); - qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv48"); + /* cpu 0 is the management hart that does not have mmu */ + if (cpu != 0) { + qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv48"); + isa = riscv_isa_string(&s->soc.u_cpus.harts[cpu - 1]); + } else { + isa = riscv_isa_string(&s->soc.e_cpus.harts[0]); + } qemu_fdt_setprop_string(fdt, nodename, "riscv,isa", isa); qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv"); qemu_fdt_setprop_string(fdt, nodename, "status", "okay"); @@ -125,7 +167,6 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_string(fdt, nodename, "device_type", "cpu"); qemu_fdt_add_subnode(fdt, intc); qemu_fdt_setprop_cell(fdt, intc, "phandle", cpu_phandle); - qemu_fdt_setprop_cell(fdt, intc, "linux,phandle", cpu_phandle); qemu_fdt_setprop_string(fdt, intc, "compatible", "riscv,cpu-intc"); qemu_fdt_setprop(fdt, intc, "interrupt-controller", NULL, 0); qemu_fdt_setprop_cell(fdt, intc, "#interrupt-cells", 1); @@ -134,8 +175,8 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, g_free(nodename); } - cells = g_new0(uint32_t, s->soc.cpus.num_harts * 4); - for (cpu = 0; cpu < s->soc.cpus.num_harts; cpu++) { + cells = g_new0(uint32_t, ms->smp.cpus * 4); + for (cpu = 0; cpu < ms->smp.cpus; cpu++) { nodename = g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu); uint32_t intc_phandle = qemu_fdt_get_phandle(fdt, nodename); @@ -153,20 +194,41 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, 0x0, memmap[SIFIVE_U_CLINT].base, 0x0, memmap[SIFIVE_U_CLINT].size); qemu_fdt_setprop(fdt, nodename, "interrupts-extended", - cells, s->soc.cpus.num_harts * sizeof(uint32_t) * 4); + cells, ms->smp.cpus * sizeof(uint32_t) * 4); g_free(cells); g_free(nodename); + prci_phandle = phandle++; + nodename = g_strdup_printf("/soc/clock-controller@%lx", + (long)memmap[SIFIVE_U_PRCI].base); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_cell(fdt, nodename, "phandle", prci_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "#clock-cells", 0x1); + qemu_fdt_setprop_cells(fdt, nodename, "clocks", + hfclk_phandle, rtcclk_phandle); + qemu_fdt_setprop_cells(fdt, nodename, "reg", + 0x0, memmap[SIFIVE_U_PRCI].base, + 0x0, memmap[SIFIVE_U_PRCI].size); + qemu_fdt_setprop_string(fdt, nodename, "compatible", + "sifive,fu540-c000-prci"); + g_free(nodename); + plic_phandle = phandle++; - cells = g_new0(uint32_t, s->soc.cpus.num_harts * 4); - for (cpu = 0; cpu < s->soc.cpus.num_harts; cpu++) { + cells = g_new0(uint32_t, ms->smp.cpus * 4 - 2); + for (cpu = 0; cpu < ms->smp.cpus; cpu++) { nodename = g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu); uint32_t intc_phandle = qemu_fdt_get_phandle(fdt, nodename); - cells[cpu * 4 + 0] = cpu_to_be32(intc_phandle); - cells[cpu * 4 + 1] = cpu_to_be32(IRQ_M_EXT); - cells[cpu * 4 + 2] = cpu_to_be32(intc_phandle); - cells[cpu * 4 + 3] = cpu_to_be32(IRQ_S_EXT); + /* cpu 0 is the management hart that does not have S-mode */ + if (cpu == 0) { + cells[0] = cpu_to_be32(intc_phandle); + cells[1] = cpu_to_be32(IRQ_M_EXT); + } else { + cells[cpu * 4 - 2] = cpu_to_be32(intc_phandle); + cells[cpu * 4 - 1] = cpu_to_be32(IRQ_M_EXT); + cells[cpu * 4 + 0] = cpu_to_be32(intc_phandle); + cells[cpu * 4 + 1] = cpu_to_be32(IRQ_S_EXT); + } g_free(nodename); } nodename = g_strdup_printf("/soc/interrupt-controller@%lx", @@ -176,73 +238,70 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv,plic0"); qemu_fdt_setprop(fdt, nodename, "interrupt-controller", NULL, 0); qemu_fdt_setprop(fdt, nodename, "interrupts-extended", - cells, s->soc.cpus.num_harts * sizeof(uint32_t) * 4); + cells, (ms->smp.cpus * 4 - 2) * sizeof(uint32_t)); qemu_fdt_setprop_cells(fdt, nodename, "reg", 0x0, memmap[SIFIVE_U_PLIC].base, 0x0, memmap[SIFIVE_U_PLIC].size); - qemu_fdt_setprop_string(fdt, nodename, "reg-names", "control"); - qemu_fdt_setprop_cell(fdt, nodename, "riscv,max-priority", 7); qemu_fdt_setprop_cell(fdt, nodename, "riscv,ndev", 0x35); - qemu_fdt_setprop_cells(fdt, nodename, "phandle", plic_phandle); - qemu_fdt_setprop_cells(fdt, nodename, "linux,phandle", plic_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "phandle", plic_phandle); plic_phandle = qemu_fdt_get_phandle(fdt, nodename); g_free(cells); g_free(nodename); - ethclk_phandle = phandle++; - nodename = g_strdup_printf("/soc/ethclk"); - qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_string(fdt, nodename, "compatible", "fixed-clock"); - qemu_fdt_setprop_cell(fdt, nodename, "#clock-cells", 0x0); - qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", - SIFIVE_U_GEM_CLOCK_FREQ); - qemu_fdt_setprop_cell(fdt, nodename, "phandle", ethclk_phandle); - qemu_fdt_setprop_cell(fdt, nodename, "linux,phandle", ethclk_phandle); - ethclk_phandle = qemu_fdt_get_phandle(fdt, nodename); - g_free(nodename); - + phy_phandle = phandle++; nodename = g_strdup_printf("/soc/ethernet@%lx", (long)memmap[SIFIVE_U_GEM].base); qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_string(fdt, nodename, "compatible", "cdns,macb"); + qemu_fdt_setprop_string(fdt, nodename, "compatible", + "sifive,fu540-c000-gem"); qemu_fdt_setprop_cells(fdt, nodename, "reg", 0x0, memmap[SIFIVE_U_GEM].base, - 0x0, memmap[SIFIVE_U_GEM].size); + 0x0, memmap[SIFIVE_U_GEM].size, + 0x0, memmap[SIFIVE_U_GEM_MGMT].base, + 0x0, memmap[SIFIVE_U_GEM_MGMT].size); qemu_fdt_setprop_string(fdt, nodename, "reg-names", "control"); qemu_fdt_setprop_string(fdt, nodename, "phy-mode", "gmii"); - qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", plic_phandle); - qemu_fdt_setprop_cells(fdt, nodename, "interrupts", SIFIVE_U_GEM_IRQ); + qemu_fdt_setprop_cell(fdt, nodename, "phy-handle", phy_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "interrupts", SIFIVE_U_GEM_IRQ); qemu_fdt_setprop_cells(fdt, nodename, "clocks", - ethclk_phandle, ethclk_phandle, ethclk_phandle); - qemu_fdt_setprop(fdt, nodename, "clocks-names", ethclk_names, + prci_phandle, PRCI_CLK_GEMGXLPLL, prci_phandle, PRCI_CLK_GEMGXLPLL); + qemu_fdt_setprop(fdt, nodename, "clock-names", ethclk_names, sizeof(ethclk_names)); - qemu_fdt_setprop_cells(fdt, nodename, "#address-cells", 1); - qemu_fdt_setprop_cells(fdt, nodename, "#size-cells", 0); + qemu_fdt_setprop(fdt, nodename, "local-mac-address", + s->soc.gem.conf.macaddr.a, ETH_ALEN); + qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", 1); + qemu_fdt_setprop_cell(fdt, nodename, "#size-cells", 0); g_free(nodename); nodename = g_strdup_printf("/soc/ethernet@%lx/ethernet-phy@0", (long)memmap[SIFIVE_U_GEM].base); qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_cells(fdt, nodename, "reg", 0x0); + qemu_fdt_setprop_cell(fdt, nodename, "phandle", phy_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "reg", 0x0); g_free(nodename); - nodename = g_strdup_printf("/soc/uart@%lx", + nodename = g_strdup_printf("/soc/serial@%lx", (long)memmap[SIFIVE_U_UART0].base); qemu_fdt_add_subnode(fdt, nodename); qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,uart0"); qemu_fdt_setprop_cells(fdt, nodename, "reg", 0x0, memmap[SIFIVE_U_UART0].base, 0x0, memmap[SIFIVE_U_UART0].size); - qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", - SIFIVE_U_CLOCK_FREQ / 2); - qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", plic_phandle); - qemu_fdt_setprop_cells(fdt, nodename, "interrupts", SIFIVE_U_UART0_IRQ); + qemu_fdt_setprop_cells(fdt, nodename, "clocks", + prci_phandle, PRCI_CLK_TLCLK); + qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "interrupts", SIFIVE_U_UART0_IRQ); qemu_fdt_add_subnode(fdt, "/chosen"); qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", nodename); if (cmdline) { qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline); } + + qemu_fdt_add_subnode(fdt, "/aliases"); + qemu_fdt_setprop_string(fdt, "/aliases", "serial0", nodename); + g_free(nodename); } @@ -275,7 +334,18 @@ static void riscv_sifive_u_init(MachineState *machine) memmap[SIFIVE_U_DRAM].base); if (machine->kernel_filename) { - riscv_load_kernel(machine->kernel_filename); + uint64_t kernel_entry = riscv_load_kernel(machine->kernel_filename); + + if (machine->initrd_filename) { + hwaddr start; + hwaddr end = riscv_load_initrd(machine->initrd_filename, + machine->ram_size, kernel_entry, + &start); + qemu_fdt_setprop_cell(s->fdt, "/chosen", + "linux,initrd-start", start); + qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-end", + end); + } } /* reset vector */ @@ -319,13 +389,37 @@ static void riscv_sifive_u_soc_init(Object *obj) MachineState *ms = MACHINE(qdev_get_machine()); SiFiveUSoCState *s = RISCV_U_SOC(obj); - object_initialize_child(obj, "cpus", &s->cpus, sizeof(s->cpus), - TYPE_RISCV_HART_ARRAY, &error_abort, NULL); - object_property_set_str(OBJECT(&s->cpus), SIFIVE_U_CPU, "cpu-type", - &error_abort); - object_property_set_int(OBJECT(&s->cpus), ms->smp.cpus, "num-harts", - &error_abort); - + object_initialize_child(obj, "e-cluster", &s->e_cluster, + sizeof(s->e_cluster), TYPE_CPU_CLUSTER, + &error_abort, NULL); + qdev_prop_set_uint32(DEVICE(&s->e_cluster), "cluster-id", 0); + + object_initialize_child(OBJECT(&s->e_cluster), "e-cpus", + &s->e_cpus, sizeof(s->e_cpus), + TYPE_RISCV_HART_ARRAY, &error_abort, + NULL); + qdev_prop_set_uint32(DEVICE(&s->e_cpus), "num-harts", 1); + qdev_prop_set_uint32(DEVICE(&s->e_cpus), "hartid-base", 0); + qdev_prop_set_string(DEVICE(&s->e_cpus), "cpu-type", SIFIVE_E_CPU); + + object_initialize_child(obj, "u-cluster", &s->u_cluster, + sizeof(s->u_cluster), TYPE_CPU_CLUSTER, + &error_abort, NULL); + qdev_prop_set_uint32(DEVICE(&s->u_cluster), "cluster-id", 1); + + object_initialize_child(OBJECT(&s->u_cluster), "u-cpus", + &s->u_cpus, sizeof(s->u_cpus), + TYPE_RISCV_HART_ARRAY, &error_abort, + NULL); + qdev_prop_set_uint32(DEVICE(&s->u_cpus), "num-harts", ms->smp.cpus - 1); + qdev_prop_set_uint32(DEVICE(&s->u_cpus), "hartid-base", 1); + qdev_prop_set_string(DEVICE(&s->u_cpus), "cpu-type", SIFIVE_U_CPU); + + sysbus_init_child_obj(obj, "prci", &s->prci, sizeof(s->prci), + TYPE_SIFIVE_U_PRCI); + sysbus_init_child_obj(obj, "otp", &s->otp, sizeof(s->otp), + TYPE_SIFIVE_U_OTP); + qdev_prop_set_uint32(DEVICE(&s->otp), "serial", OTP_SERIAL); sysbus_init_child_obj(obj, "gem", &s->gem, sizeof(s->gem), TYPE_CADENCE_GEM); } @@ -344,7 +438,19 @@ static void riscv_sifive_u_soc_realize(DeviceState *dev, Error **errp) Error *err = NULL; NICInfo *nd = &nd_table[0]; - object_property_set_bool(OBJECT(&s->cpus), true, "realized", + object_property_set_bool(OBJECT(&s->e_cpus), true, "realized", + &error_abort); + object_property_set_bool(OBJECT(&s->u_cpus), true, "realized", + &error_abort); + /* + * The cluster must be realized after the RISC-V hart array container, + * as the container's CPU object is only created on realize, and the + * CPU must exist and have been parented into the cluster before the + * cluster is realized. + */ + object_property_set_bool(OBJECT(&s->e_cluster), true, "realized", + &error_abort); + object_property_set_bool(OBJECT(&s->u_cluster), true, "realized", &error_abort); /* boot rom */ @@ -359,10 +465,11 @@ static void riscv_sifive_u_soc_realize(DeviceState *dev, Error **errp) plic_hart_config = g_malloc0(plic_hart_config_len); for (i = 0; i < ms->smp.cpus; i++) { if (i != 0) { - strncat(plic_hart_config, ",", plic_hart_config_len); + strncat(plic_hart_config, "," SIFIVE_U_PLIC_HART_CONFIG, + plic_hart_config_len); + } else { + strncat(plic_hart_config, "M", plic_hart_config_len); } - strncat(plic_hart_config, SIFIVE_U_PLIC_HART_CONFIG, - plic_hart_config_len); plic_hart_config_len -= (strlen(SIFIVE_U_PLIC_HART_CONFIG) + 1); } @@ -386,6 +493,12 @@ static void riscv_sifive_u_soc_realize(DeviceState *dev, Error **errp) memmap[SIFIVE_U_CLINT].size, ms->smp.cpus, SIFIVE_SIP_BASE, SIFIVE_TIMECMP_BASE, SIFIVE_TIME_BASE); + object_property_set_bool(OBJECT(&s->prci), true, "realized", &err); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->prci), 0, memmap[SIFIVE_U_PRCI].base); + + object_property_set_bool(OBJECT(&s->otp), true, "realized", &err); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->otp), 0, memmap[SIFIVE_U_OTP].base); + for (i = 0; i < SIFIVE_U_PLIC_NUM_SOURCES; i++) { plic_gpios[i] = qdev_get_gpio_in(DEVICE(s->plic), i); } @@ -404,16 +517,18 @@ static void riscv_sifive_u_soc_realize(DeviceState *dev, Error **errp) sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem), 0, memmap[SIFIVE_U_GEM].base); sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem), 0, plic_gpios[SIFIVE_U_GEM_IRQ]); + + create_unimplemented_device("riscv.sifive.u.gem-mgmt", + memmap[SIFIVE_U_GEM_MGMT].base, memmap[SIFIVE_U_GEM_MGMT].size); } static void riscv_sifive_u_machine_init(MachineClass *mc) { mc->desc = "RISC-V Board compatible with SiFive U SDK"; mc->init = riscv_sifive_u_init; - /* The real hardware has 5 CPUs, but one of them is a small embedded power - * management CPU. - */ - mc->max_cpus = 4; + mc->max_cpus = SIFIVE_U_MANAGEMENT_CPU_COUNT + SIFIVE_U_COMPUTE_CPU_COUNT; + mc->min_cpus = SIFIVE_U_MANAGEMENT_CPU_COUNT + 1; + mc->default_cpus = mc->min_cpus; } DEFINE_MACHINE("sifive_u", riscv_sifive_u_machine_init) diff --git a/hw/riscv/sifive_u_otp.c b/hw/riscv/sifive_u_otp.c new file mode 100644 index 0000000000..ea0eee5678 --- /dev/null +++ b/hw/riscv/sifive_u_otp.c @@ -0,0 +1,191 @@ +/* + * QEMU SiFive U OTP (One-Time Programmable) Memory interface + * + * Copyright (c) 2019 Bin Meng <bmeng.cn@gmail.com> + * + * Simple model of the OTP to emulate register reads made by the SDK BSP + * + * 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 "hw/qdev-properties.h" +#include "hw/sysbus.h" +#include "qemu/log.h" +#include "qemu/module.h" +#include "hw/riscv/sifive_u_otp.h" + +static uint64_t sifive_u_otp_read(void *opaque, hwaddr addr, unsigned int size) +{ + SiFiveUOTPState *s = opaque; + + switch (addr) { + case SIFIVE_U_OTP_PA: + return s->pa; + case SIFIVE_U_OTP_PAIO: + return s->paio; + case SIFIVE_U_OTP_PAS: + return s->pas; + case SIFIVE_U_OTP_PCE: + return s->pce; + case SIFIVE_U_OTP_PCLK: + return s->pclk; + case SIFIVE_U_OTP_PDIN: + return s->pdin; + case SIFIVE_U_OTP_PDOUT: + if ((s->pce & SIFIVE_U_OTP_PCE_EN) && + (s->pdstb & SIFIVE_U_OTP_PDSTB_EN) && + (s->ptrim & SIFIVE_U_OTP_PTRIM_EN)) { + return s->fuse[s->pa & SIFIVE_U_OTP_PA_MASK]; + } else { + return 0xff; + } + case SIFIVE_U_OTP_PDSTB: + return s->pdstb; + case SIFIVE_U_OTP_PPROG: + return s->pprog; + case SIFIVE_U_OTP_PTC: + return s->ptc; + case SIFIVE_U_OTP_PTM: + return s->ptm; + case SIFIVE_U_OTP_PTM_REP: + return s->ptm_rep; + case SIFIVE_U_OTP_PTR: + return s->ptr; + case SIFIVE_U_OTP_PTRIM: + return s->ptrim; + case SIFIVE_U_OTP_PWE: + return s->pwe; + } + + qemu_log_mask(LOG_GUEST_ERROR, "%s: read: addr=0x%" HWADDR_PRIx "\n", + __func__, addr); + return 0; +} + +static void sifive_u_otp_write(void *opaque, hwaddr addr, + uint64_t val64, unsigned int size) +{ + SiFiveUOTPState *s = opaque; + uint32_t val32 = (uint32_t)val64; + + switch (addr) { + case SIFIVE_U_OTP_PA: + s->pa = val32 & SIFIVE_U_OTP_PA_MASK; + break; + case SIFIVE_U_OTP_PAIO: + s->paio = val32; + break; + case SIFIVE_U_OTP_PAS: + s->pas = val32; + break; + case SIFIVE_U_OTP_PCE: + s->pce = val32; + break; + case SIFIVE_U_OTP_PCLK: + s->pclk = val32; + break; + case SIFIVE_U_OTP_PDIN: + s->pdin = val32; + break; + case SIFIVE_U_OTP_PDOUT: + /* read-only */ + break; + case SIFIVE_U_OTP_PDSTB: + s->pdstb = val32; + break; + case SIFIVE_U_OTP_PPROG: + s->pprog = val32; + break; + case SIFIVE_U_OTP_PTC: + s->ptc = val32; + break; + case SIFIVE_U_OTP_PTM: + s->ptm = val32; + break; + case SIFIVE_U_OTP_PTM_REP: + s->ptm_rep = val32; + break; + case SIFIVE_U_OTP_PTR: + s->ptr = val32; + break; + case SIFIVE_U_OTP_PTRIM: + s->ptrim = val32; + break; + case SIFIVE_U_OTP_PWE: + s->pwe = val32; + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: bad write: addr=0x%" HWADDR_PRIx + " v=0x%x\n", __func__, addr, val32); + } +} + +static const MemoryRegionOps sifive_u_otp_ops = { + .read = sifive_u_otp_read, + .write = sifive_u_otp_write, + .endianness = DEVICE_NATIVE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4 + } +}; + +static Property sifive_u_otp_properties[] = { + DEFINE_PROP_UINT32("serial", SiFiveUOTPState, serial, 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static void sifive_u_otp_realize(DeviceState *dev, Error **errp) +{ + SiFiveUOTPState *s = SIFIVE_U_OTP(dev); + + memory_region_init_io(&s->mmio, OBJECT(dev), &sifive_u_otp_ops, s, + TYPE_SIFIVE_U_OTP, SIFIVE_U_OTP_REG_SIZE); + sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->mmio); +} + +static void sifive_u_otp_reset(DeviceState *dev) +{ + SiFiveUOTPState *s = SIFIVE_U_OTP(dev); + + /* Initialize all fuses' initial value to 0xFFs */ + memset(s->fuse, 0xff, sizeof(s->fuse)); + + /* Make a valid content of serial number */ + s->fuse[SIFIVE_U_OTP_SERIAL_ADDR] = s->serial; + s->fuse[SIFIVE_U_OTP_SERIAL_ADDR + 1] = ~(s->serial); +} + +static void sifive_u_otp_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->props = sifive_u_otp_properties; + dc->realize = sifive_u_otp_realize; + dc->reset = sifive_u_otp_reset; +} + +static const TypeInfo sifive_u_otp_info = { + .name = TYPE_SIFIVE_U_OTP, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(SiFiveUOTPState), + .class_init = sifive_u_otp_class_init, +}; + +static void sifive_u_otp_register_types(void) +{ + type_register_static(&sifive_u_otp_info); +} + +type_init(sifive_u_otp_register_types) diff --git a/hw/riscv/sifive_u_prci.c b/hw/riscv/sifive_u_prci.c new file mode 100644 index 0000000000..4fa590c064 --- /dev/null +++ b/hw/riscv/sifive_u_prci.c @@ -0,0 +1,169 @@ +/* + * QEMU SiFive U PRCI (Power, Reset, Clock, Interrupt) + * + * Copyright (c) 2019 Bin Meng <bmeng.cn@gmail.com> + * + * Simple model of the PRCI to emulate register reads made by the SDK BSP + * + * 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 "hw/sysbus.h" +#include "qemu/log.h" +#include "qemu/module.h" +#include "hw/riscv/sifive_u_prci.h" + +static uint64_t sifive_u_prci_read(void *opaque, hwaddr addr, unsigned int size) +{ + SiFiveUPRCIState *s = opaque; + + switch (addr) { + case SIFIVE_U_PRCI_HFXOSCCFG: + return s->hfxosccfg; + case SIFIVE_U_PRCI_COREPLLCFG0: + return s->corepllcfg0; + case SIFIVE_U_PRCI_DDRPLLCFG0: + return s->ddrpllcfg0; + case SIFIVE_U_PRCI_DDRPLLCFG1: + return s->ddrpllcfg1; + case SIFIVE_U_PRCI_GEMGXLPLLCFG0: + return s->gemgxlpllcfg0; + case SIFIVE_U_PRCI_GEMGXLPLLCFG1: + return s->gemgxlpllcfg1; + case SIFIVE_U_PRCI_CORECLKSEL: + return s->coreclksel; + case SIFIVE_U_PRCI_DEVICESRESET: + return s->devicesreset; + case SIFIVE_U_PRCI_CLKMUXSTATUS: + return s->clkmuxstatus; + } + + qemu_log_mask(LOG_GUEST_ERROR, "%s: read: addr=0x%" HWADDR_PRIx "\n", + __func__, addr); + + return 0; +} + +static void sifive_u_prci_write(void *opaque, hwaddr addr, + uint64_t val64, unsigned int size) +{ + SiFiveUPRCIState *s = opaque; + uint32_t val32 = (uint32_t)val64; + + switch (addr) { + case SIFIVE_U_PRCI_HFXOSCCFG: + s->hfxosccfg = val32; + /* OSC stays ready */ + s->hfxosccfg |= SIFIVE_U_PRCI_HFXOSCCFG_RDY; + break; + case SIFIVE_U_PRCI_COREPLLCFG0: + s->corepllcfg0 = val32; + /* internal feedback */ + s->corepllcfg0 |= SIFIVE_U_PRCI_PLLCFG0_FSE; + /* PLL stays locked */ + s->corepllcfg0 |= SIFIVE_U_PRCI_PLLCFG0_LOCK; + break; + case SIFIVE_U_PRCI_DDRPLLCFG0: + s->ddrpllcfg0 = val32; + /* internal feedback */ + s->ddrpllcfg0 |= SIFIVE_U_PRCI_PLLCFG0_FSE; + /* PLL stays locked */ + s->ddrpllcfg0 |= SIFIVE_U_PRCI_PLLCFG0_LOCK; + break; + case SIFIVE_U_PRCI_DDRPLLCFG1: + s->ddrpllcfg1 = val32; + break; + case SIFIVE_U_PRCI_GEMGXLPLLCFG0: + s->gemgxlpllcfg0 = val32; + /* internal feedback */ + s->gemgxlpllcfg0 |= SIFIVE_U_PRCI_PLLCFG0_FSE; + /* PLL stays locked */ + s->gemgxlpllcfg0 |= SIFIVE_U_PRCI_PLLCFG0_LOCK; + break; + case SIFIVE_U_PRCI_GEMGXLPLLCFG1: + s->gemgxlpllcfg1 = val32; + break; + case SIFIVE_U_PRCI_CORECLKSEL: + s->coreclksel = val32; + break; + case SIFIVE_U_PRCI_DEVICESRESET: + s->devicesreset = val32; + break; + case SIFIVE_U_PRCI_CLKMUXSTATUS: + s->clkmuxstatus = val32; + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: bad write: addr=0x%" HWADDR_PRIx + " v=0x%x\n", __func__, addr, val32); + } +} + +static const MemoryRegionOps sifive_u_prci_ops = { + .read = sifive_u_prci_read, + .write = sifive_u_prci_write, + .endianness = DEVICE_NATIVE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4 + } +}; + +static void sifive_u_prci_realize(DeviceState *dev, Error **errp) +{ + SiFiveUPRCIState *s = SIFIVE_U_PRCI(dev); + + memory_region_init_io(&s->mmio, OBJECT(dev), &sifive_u_prci_ops, s, + TYPE_SIFIVE_U_PRCI, SIFIVE_U_PRCI_REG_SIZE); + sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->mmio); +} + +static void sifive_u_prci_reset(DeviceState *dev) +{ + SiFiveUPRCIState *s = SIFIVE_U_PRCI(dev); + + /* Initialize register to power-on-reset values */ + s->hfxosccfg = SIFIVE_U_PRCI_HFXOSCCFG_RDY | SIFIVE_U_PRCI_HFXOSCCFG_EN; + s->corepllcfg0 = SIFIVE_U_PRCI_PLLCFG0_DIVR | SIFIVE_U_PRCI_PLLCFG0_DIVF | + SIFIVE_U_PRCI_PLLCFG0_DIVQ | SIFIVE_U_PRCI_PLLCFG0_FSE | + SIFIVE_U_PRCI_PLLCFG0_LOCK; + s->ddrpllcfg0 = SIFIVE_U_PRCI_PLLCFG0_DIVR | SIFIVE_U_PRCI_PLLCFG0_DIVF | + SIFIVE_U_PRCI_PLLCFG0_DIVQ | SIFIVE_U_PRCI_PLLCFG0_FSE | + SIFIVE_U_PRCI_PLLCFG0_LOCK; + s->gemgxlpllcfg0 = SIFIVE_U_PRCI_PLLCFG0_DIVR | SIFIVE_U_PRCI_PLLCFG0_DIVF | + SIFIVE_U_PRCI_PLLCFG0_DIVQ | SIFIVE_U_PRCI_PLLCFG0_FSE | + SIFIVE_U_PRCI_PLLCFG0_LOCK; + s->coreclksel = SIFIVE_U_PRCI_CORECLKSEL_HFCLK; +} + +static void sifive_u_prci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = sifive_u_prci_realize; + dc->reset = sifive_u_prci_reset; +} + +static const TypeInfo sifive_u_prci_info = { + .name = TYPE_SIFIVE_U_PRCI, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(SiFiveUPRCIState), + .class_init = sifive_u_prci_class_init, +}; + +static void sifive_u_prci_register_types(void) +{ + type_register_static(&sifive_u_prci_info); +} + +type_init(sifive_u_prci_register_types) diff --git a/hw/riscv/sifive_uart.c b/hw/riscv/sifive_uart.c index 9de42b1680..a403ae90f5 100644 --- a/hw/riscv/sifive_uart.c +++ b/hw/riscv/sifive_uart.c @@ -18,10 +18,10 @@ #include "qemu/osdep.h" #include "qapi/error.h" +#include "qemu/log.h" #include "hw/sysbus.h" #include "chardev/char.h" #include "chardev/char-fe.h" -#include "target/riscv/cpu.h" #include "hw/hw.h" #include "hw/irq.h" #include "hw/riscv/sifive_uart.h" @@ -95,8 +95,8 @@ uart_read(void *opaque, hwaddr addr, unsigned int size) return s->div; } - hw_error("%s: bad read: addr=0x%x\n", - __func__, (int)addr); + qemu_log_mask(LOG_GUEST_ERROR, "%s: bad read: addr=0x%x\n", + __func__, (int)addr); return 0; } @@ -127,8 +127,8 @@ uart_write(void *opaque, hwaddr addr, s->div = val64; return; } - hw_error("%s: bad write: addr=0x%x v=0x%x\n", - __func__, (int)addr, (int)value); + qemu_log_mask(LOG_GUEST_ERROR, "%s: bad write: addr=0x%x v=0x%x\n", + __func__, (int)addr, (int)value); } static const MemoryRegionOps uart_ops = { diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c index 7c04bd554f..d60415d190 100644 --- a/hw/riscv/spike.c +++ b/hw/riscv/spike.c @@ -112,7 +112,6 @@ static void create_fdt(SpikeState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_string(fdt, nodename, "device_type", "cpu"); qemu_fdt_add_subnode(fdt, intc); qemu_fdt_setprop_cell(fdt, intc, "phandle", 1); - qemu_fdt_setprop_cell(fdt, intc, "linux,phandle", 1); qemu_fdt_setprop_string(fdt, intc, "compatible", "riscv,cpu-intc"); qemu_fdt_setprop(fdt, intc, "interrupt-controller", NULL, 0); qemu_fdt_setprop_cell(fdt, intc, "#interrupt-cells", 1); diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 9bced28486..d36f5625ec 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -112,7 +112,7 @@ static void create_pcie_irq_map(void *fdt, char *nodename, 0x1800, 0, 0, 0x7); } -static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, +static void create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, uint64_t mem_size, const char *cmdline) { void *fdt; @@ -170,11 +170,9 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cell(fdt, nodename, "reg", cpu); qemu_fdt_setprop_string(fdt, nodename, "device_type", "cpu"); qemu_fdt_setprop_cell(fdt, nodename, "phandle", cpu_phandle); - qemu_fdt_setprop_cell(fdt, nodename, "linux,phandle", cpu_phandle); intc_phandle = phandle++; qemu_fdt_add_subnode(fdt, intc); qemu_fdt_setprop_cell(fdt, intc, "phandle", intc_phandle); - qemu_fdt_setprop_cell(fdt, intc, "linux,phandle", intc_phandle); qemu_fdt_setprop_string(fdt, intc, "compatible", "riscv,cpu-intc"); qemu_fdt_setprop(fdt, intc, "interrupt-controller", NULL, 0); qemu_fdt_setprop_cell(fdt, intc, "#interrupt-cells", 1); @@ -235,8 +233,8 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, nodename = g_strdup_printf("/soc/interrupt-controller@%lx", (long)memmap[VIRT_PLIC].base); qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_cells(fdt, nodename, "#address-cells", - FDT_PLIC_ADDR_CELLS); + qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", + FDT_PLIC_ADDR_CELLS); qemu_fdt_setprop_cell(fdt, nodename, "#interrupt-cells", FDT_PLIC_INT_CELLS); qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv,plic0"); @@ -246,11 +244,8 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cells(fdt, nodename, "reg", 0x0, memmap[VIRT_PLIC].base, 0x0, memmap[VIRT_PLIC].size); - qemu_fdt_setprop_string(fdt, nodename, "reg-names", "control"); - qemu_fdt_setprop_cell(fdt, nodename, "riscv,max-priority", 7); qemu_fdt_setprop_cell(fdt, nodename, "riscv,ndev", VIRTIO_NDEV); - qemu_fdt_setprop_cells(fdt, nodename, "phandle", plic_phandle); - qemu_fdt_setprop_cells(fdt, nodename, "linux,phandle", plic_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "phandle", plic_phandle); plic_phandle = qemu_fdt_get_phandle(fdt, nodename); g_free(cells); g_free(nodename); @@ -263,19 +258,19 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cells(fdt, nodename, "reg", 0x0, memmap[VIRT_VIRTIO].base + i * memmap[VIRT_VIRTIO].size, 0x0, memmap[VIRT_VIRTIO].size); - qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", plic_phandle); - qemu_fdt_setprop_cells(fdt, nodename, "interrupts", VIRTIO_IRQ + i); + qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "interrupts", VIRTIO_IRQ + i); g_free(nodename); } nodename = g_strdup_printf("/soc/pci@%lx", (long) memmap[VIRT_PCIE_ECAM].base); qemu_fdt_add_subnode(fdt, nodename); - qemu_fdt_setprop_cells(fdt, nodename, "#address-cells", - FDT_PCI_ADDR_CELLS); - qemu_fdt_setprop_cells(fdt, nodename, "#interrupt-cells", - FDT_PCI_INT_CELLS); - qemu_fdt_setprop_cells(fdt, nodename, "#size-cells", 0x2); + qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", + FDT_PCI_ADDR_CELLS); + qemu_fdt_setprop_cell(fdt, nodename, "#interrupt-cells", + FDT_PCI_INT_CELLS); + qemu_fdt_setprop_cell(fdt, nodename, "#size-cells", 0x2); qemu_fdt_setprop_string(fdt, nodename, "compatible", "pci-host-ecam-generic"); qemu_fdt_setprop_string(fdt, nodename, "device_type", "pci"); @@ -312,8 +307,8 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, 0x0, memmap[VIRT_UART0].base, 0x0, memmap[VIRT_UART0].size); qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", 3686400); - qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", plic_phandle); - qemu_fdt_setprop_cells(fdt, nodename, "interrupts", UART0_IRQ); + qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "interrupts", UART0_IRQ); qemu_fdt_add_subnode(fdt, "/chosen"); qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", nodename); @@ -321,8 +316,6 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline); } g_free(nodename); - - return fdt; } @@ -378,7 +371,6 @@ static void riscv_virt_board_init(MachineState *machine) size_t plic_hart_config_len; int i; unsigned int smp_cpus = machine->smp.cpus; - void *fdt; /* Initialize SOC */ object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc), @@ -397,7 +389,7 @@ static void riscv_virt_board_init(MachineState *machine) main_mem); /* create device tree */ - fdt = create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline); + create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline); /* boot rom */ memory_region_init_rom(mask_rom, NULL, "riscv_virt_board.mrom", @@ -416,9 +408,9 @@ static void riscv_virt_board_init(MachineState *machine) hwaddr end = riscv_load_initrd(machine->initrd_filename, machine->ram_size, kernel_entry, &start); - qemu_fdt_setprop_cell(fdt, "/chosen", + qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-start", start); - qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end", + qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-end", end); } } diff --git a/include/hw/riscv/boot.h b/include/hw/riscv/boot.h index 1f21c2bef1..66075d0e57 100644 --- a/include/hw/riscv/boot.h +++ b/include/hw/riscv/boot.h @@ -25,6 +25,7 @@ void riscv_find_and_load_firmware(MachineState *machine, const char *default_machine_firmware, hwaddr firmware_load_addr); +char *riscv_find_firmware(const char *firmware_filename); target_ulong riscv_load_firmware(const char *firmware_filename, hwaddr firmware_load_addr); target_ulong riscv_load_kernel(const char *kernel_filename); diff --git a/include/hw/riscv/riscv_hart.h b/include/hw/riscv/riscv_hart.h index 3b52b50571..c75856fa73 100644 --- a/include/hw/riscv/riscv_hart.h +++ b/include/hw/riscv/riscv_hart.h @@ -35,6 +35,7 @@ typedef struct RISCVHartArrayState { /*< public >*/ uint32_t num_harts; + uint32_t hartid_base; char *cpu_type; RISCVCPU *harts; } RISCVHartArrayState; diff --git a/include/hw/riscv/sifive_cpu.h b/include/hw/riscv/sifive_cpu.h new file mode 100644 index 0000000000..136799633a --- /dev/null +++ b/include/hw/riscv/sifive_cpu.h @@ -0,0 +1,31 @@ +/* + * SiFive CPU types + * + * Copyright (c) 2017 SiFive, Inc. + * Copyright (c) 2019 Bin Meng <bmeng.cn@gmail.com> + * + * 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_SIFIVE_CPU_H +#define HW_SIFIVE_CPU_H + +#if defined(TARGET_RISCV32) +#define SIFIVE_E_CPU TYPE_RISCV_CPU_SIFIVE_E31 +#define SIFIVE_U_CPU TYPE_RISCV_CPU_SIFIVE_U34 +#elif defined(TARGET_RISCV64) +#define SIFIVE_E_CPU TYPE_RISCV_CPU_SIFIVE_E51 +#define SIFIVE_U_CPU TYPE_RISCV_CPU_SIFIVE_U54 +#endif + +#endif /* HW_SIFIVE_CPU_H */ diff --git a/include/hw/riscv/sifive_e.h b/include/hw/riscv/sifive_e.h index 9c868dd7f9..25ce7aa9d5 100644 --- a/include/hw/riscv/sifive_e.h +++ b/include/hw/riscv/sifive_e.h @@ -20,6 +20,7 @@ #define HW_SIFIVE_E_H #include "hw/riscv/riscv_hart.h" +#include "hw/riscv/sifive_cpu.h" #include "hw/riscv/sifive_gpio.h" #define TYPE_RISCV_E_SOC "riscv.sifive.e.soc" @@ -84,10 +85,4 @@ enum { #define SIFIVE_E_PLIC_CONTEXT_BASE 0x200000 #define SIFIVE_E_PLIC_CONTEXT_STRIDE 0x1000 -#if defined(TARGET_RISCV32) -#define SIFIVE_E_CPU TYPE_RISCV_CPU_SIFIVE_E31 -#elif defined(TARGET_RISCV64) -#define SIFIVE_E_CPU TYPE_RISCV_CPU_SIFIVE_E51 -#endif - #endif diff --git a/include/hw/riscv/sifive_e_prci.h b/include/hw/riscv/sifive_e_prci.h new file mode 100644 index 0000000000..698b0b451c --- /dev/null +++ b/include/hw/riscv/sifive_e_prci.h @@ -0,0 +1,71 @@ +/* + * QEMU SiFive E PRCI (Power, Reset, Clock, Interrupt) interface + * + * Copyright (c) 2017 SiFive, 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_SIFIVE_E_PRCI_H +#define HW_SIFIVE_E_PRCI_H + +enum { + SIFIVE_E_PRCI_HFROSCCFG = 0x0, + SIFIVE_E_PRCI_HFXOSCCFG = 0x4, + SIFIVE_E_PRCI_PLLCFG = 0x8, + SIFIVE_E_PRCI_PLLOUTDIV = 0xC +}; + +enum { + SIFIVE_E_PRCI_HFROSCCFG_RDY = (1 << 31), + SIFIVE_E_PRCI_HFROSCCFG_EN = (1 << 30) +}; + +enum { + SIFIVE_E_PRCI_HFXOSCCFG_RDY = (1 << 31), + SIFIVE_E_PRCI_HFXOSCCFG_EN = (1 << 30) +}; + +enum { + SIFIVE_E_PRCI_PLLCFG_PLLSEL = (1 << 16), + SIFIVE_E_PRCI_PLLCFG_REFSEL = (1 << 17), + SIFIVE_E_PRCI_PLLCFG_BYPASS = (1 << 18), + SIFIVE_E_PRCI_PLLCFG_LOCK = (1 << 31) +}; + +enum { + SIFIVE_E_PRCI_PLLOUTDIV_DIV1 = (1 << 8) +}; + +#define SIFIVE_E_PRCI_REG_SIZE 0x1000 + +#define TYPE_SIFIVE_E_PRCI "riscv.sifive.e.prci" + +#define SIFIVE_E_PRCI(obj) \ + OBJECT_CHECK(SiFiveEPRCIState, (obj), TYPE_SIFIVE_E_PRCI) + +typedef struct SiFiveEPRCIState { + /*< private >*/ + SysBusDevice parent_obj; + + /*< public >*/ + MemoryRegion mmio; + uint32_t hfrosccfg; + uint32_t hfxosccfg; + uint32_t pllcfg; + uint32_t plloutdiv; +} SiFiveEPRCIState; + +DeviceState *sifive_e_prci_create(hwaddr addr); + +#endif diff --git a/include/hw/riscv/sifive_plic.h b/include/hw/riscv/sifive_plic.h index b0edba2884..4421e81249 100644 --- a/include/hw/riscv/sifive_plic.h +++ b/include/hw/riscv/sifive_plic.h @@ -69,9 +69,6 @@ typedef struct SiFivePLICState { uint32_t aperture_size; } SiFivePLICState; -void sifive_plic_raise_irq(SiFivePLICState *plic, uint32_t irq); -void sifive_plic_lower_irq(SiFivePLICState *plic, uint32_t irq); - DeviceState *sifive_plic_create(hwaddr addr, char *hart_config, uint32_t num_sources, uint32_t num_priorities, uint32_t priority_base, uint32_t pending_base, diff --git a/include/hw/riscv/sifive_prci.h b/include/hw/riscv/sifive_prci.h deleted file mode 100644 index 8b7de134f8..0000000000 --- a/include/hw/riscv/sifive_prci.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * QEMU SiFive PRCI (Power, Reset, Clock, Interrupt) interface - * - * Copyright (c) 2017 SiFive, 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_SIFIVE_PRCI_H -#define HW_SIFIVE_PRCI_H - -#include "hw/sysbus.h" - -enum { - SIFIVE_PRCI_HFROSCCFG = 0x0, - SIFIVE_PRCI_HFXOSCCFG = 0x4, - SIFIVE_PRCI_PLLCFG = 0x8, - SIFIVE_PRCI_PLLOUTDIV = 0xC -}; - -enum { - SIFIVE_PRCI_HFROSCCFG_RDY = (1 << 31), - SIFIVE_PRCI_HFROSCCFG_EN = (1 << 30) -}; - -enum { - SIFIVE_PRCI_HFXOSCCFG_RDY = (1 << 31), - SIFIVE_PRCI_HFXOSCCFG_EN = (1 << 30) -}; - -enum { - SIFIVE_PRCI_PLLCFG_PLLSEL = (1 << 16), - SIFIVE_PRCI_PLLCFG_REFSEL = (1 << 17), - SIFIVE_PRCI_PLLCFG_BYPASS = (1 << 18), - SIFIVE_PRCI_PLLCFG_LOCK = (1 << 31) -}; - -enum { - SIFIVE_PRCI_PLLOUTDIV_DIV1 = (1 << 8) -}; - -#define TYPE_SIFIVE_PRCI "riscv.sifive.prci" - -#define SIFIVE_PRCI(obj) \ - OBJECT_CHECK(SiFivePRCIState, (obj), TYPE_SIFIVE_PRCI) - -typedef struct SiFivePRCIState { - /*< private >*/ - SysBusDevice parent_obj; - - /*< public >*/ - MemoryRegion mmio; - uint32_t hfrosccfg; - uint32_t hfxosccfg; - uint32_t pllcfg; - uint32_t plloutdiv; -} SiFivePRCIState; - -DeviceState *sifive_prci_create(hwaddr addr); - -#endif diff --git a/include/hw/riscv/sifive_test.h b/include/hw/riscv/sifive_test.h index 3a603a6ead..1ec416ac1b 100644 --- a/include/hw/riscv/sifive_test.h +++ b/include/hw/riscv/sifive_test.h @@ -36,7 +36,8 @@ typedef struct SiFiveTestState { enum { FINISHER_FAIL = 0x3333, - FINISHER_PASS = 0x5555 + FINISHER_PASS = 0x5555, + FINISHER_RESET = 0x7777 }; DeviceState *sifive_test_create(hwaddr addr); diff --git a/include/hw/riscv/sifive_u.h b/include/hw/riscv/sifive_u.h index be021ce256..e4df298c23 100644 --- a/include/hw/riscv/sifive_u.h +++ b/include/hw/riscv/sifive_u.h @@ -21,6 +21,9 @@ #include "hw/net/cadence_gem.h" #include "hw/riscv/riscv_hart.h" +#include "hw/riscv/sifive_cpu.h" +#include "hw/riscv/sifive_u_prci.h" +#include "hw/riscv/sifive_u_otp.h" #define TYPE_RISCV_U_SOC "riscv.sifive.u.soc" #define RISCV_U_SOC(obj) \ @@ -31,8 +34,13 @@ typedef struct SiFiveUSoCState { SysBusDevice parent_obj; /*< public >*/ - RISCVHartArrayState cpus; + CPUClusterState e_cluster; + CPUClusterState u_cluster; + RISCVHartArrayState e_cpus; + RISCVHartArrayState u_cpus; DeviceState *plic; + SiFiveUPRCIState prci; + SiFiveUOTPState otp; CadenceGEMState gem; } SiFiveUSoCState; @@ -51,23 +59,30 @@ enum { SIFIVE_U_MROM, SIFIVE_U_CLINT, SIFIVE_U_PLIC, + SIFIVE_U_PRCI, SIFIVE_U_UART0, SIFIVE_U_UART1, + SIFIVE_U_OTP, SIFIVE_U_DRAM, - SIFIVE_U_GEM + SIFIVE_U_GEM, + SIFIVE_U_GEM_MGMT }; enum { - SIFIVE_U_UART0_IRQ = 3, - SIFIVE_U_UART1_IRQ = 4, + SIFIVE_U_UART0_IRQ = 4, + SIFIVE_U_UART1_IRQ = 5, SIFIVE_U_GEM_IRQ = 0x35 }; enum { SIFIVE_U_CLOCK_FREQ = 1000000000, - SIFIVE_U_GEM_CLOCK_FREQ = 125000000 + SIFIVE_U_HFCLK_FREQ = 33333333, + SIFIVE_U_RTCCLK_FREQ = 1000000 }; +#define SIFIVE_U_MANAGEMENT_CPU_COUNT 1 +#define SIFIVE_U_COMPUTE_CPU_COUNT 4 + #define SIFIVE_U_PLIC_HART_CONFIG "MS" #define SIFIVE_U_PLIC_NUM_SOURCES 54 #define SIFIVE_U_PLIC_NUM_PRIORITIES 7 @@ -78,10 +93,4 @@ enum { #define SIFIVE_U_PLIC_CONTEXT_BASE 0x200000 #define SIFIVE_U_PLIC_CONTEXT_STRIDE 0x1000 -#if defined(TARGET_RISCV32) -#define SIFIVE_U_CPU TYPE_RISCV_CPU_SIFIVE_U34 -#elif defined(TARGET_RISCV64) -#define SIFIVE_U_CPU TYPE_RISCV_CPU_SIFIVE_U54 -#endif - #endif diff --git a/include/hw/riscv/sifive_u_otp.h b/include/hw/riscv/sifive_u_otp.h new file mode 100644 index 0000000000..639297564a --- /dev/null +++ b/include/hw/riscv/sifive_u_otp.h @@ -0,0 +1,80 @@ +/* + * QEMU SiFive U OTP (One-Time Programmable) Memory interface + * + * Copyright (c) 2019 Bin Meng <bmeng.cn@gmail.com> + * + * 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_SIFIVE_U_OTP_H +#define HW_SIFIVE_U_OTP_H + +#define SIFIVE_U_OTP_PA 0x00 +#define SIFIVE_U_OTP_PAIO 0x04 +#define SIFIVE_U_OTP_PAS 0x08 +#define SIFIVE_U_OTP_PCE 0x0C +#define SIFIVE_U_OTP_PCLK 0x10 +#define SIFIVE_U_OTP_PDIN 0x14 +#define SIFIVE_U_OTP_PDOUT 0x18 +#define SIFIVE_U_OTP_PDSTB 0x1C +#define SIFIVE_U_OTP_PPROG 0x20 +#define SIFIVE_U_OTP_PTC 0x24 +#define SIFIVE_U_OTP_PTM 0x28 +#define SIFIVE_U_OTP_PTM_REP 0x2C +#define SIFIVE_U_OTP_PTR 0x30 +#define SIFIVE_U_OTP_PTRIM 0x34 +#define SIFIVE_U_OTP_PWE 0x38 + +#define SIFIVE_U_OTP_PCE_EN (1 << 0) + +#define SIFIVE_U_OTP_PDSTB_EN (1 << 0) + +#define SIFIVE_U_OTP_PTRIM_EN (1 << 0) + +#define SIFIVE_U_OTP_PA_MASK 0xfff +#define SIFIVE_U_OTP_NUM_FUSES 0x1000 +#define SIFIVE_U_OTP_SERIAL_ADDR 0xfc + +#define SIFIVE_U_OTP_REG_SIZE 0x1000 + +#define TYPE_SIFIVE_U_OTP "riscv.sifive.u.otp" + +#define SIFIVE_U_OTP(obj) \ + OBJECT_CHECK(SiFiveUOTPState, (obj), TYPE_SIFIVE_U_OTP) + +typedef struct SiFiveUOTPState { + /*< private >*/ + SysBusDevice parent_obj; + + /*< public >*/ + MemoryRegion mmio; + uint32_t pa; + uint32_t paio; + uint32_t pas; + uint32_t pce; + uint32_t pclk; + uint32_t pdin; + uint32_t pdstb; + uint32_t pprog; + uint32_t ptc; + uint32_t ptm; + uint32_t ptm_rep; + uint32_t ptr; + uint32_t ptrim; + uint32_t pwe; + uint32_t fuse[SIFIVE_U_OTP_NUM_FUSES]; + /* config */ + uint32_t serial; +} SiFiveUOTPState; + +#endif /* HW_SIFIVE_U_OTP_H */ diff --git a/include/hw/riscv/sifive_u_prci.h b/include/hw/riscv/sifive_u_prci.h new file mode 100644 index 0000000000..0a531fdadc --- /dev/null +++ b/include/hw/riscv/sifive_u_prci.h @@ -0,0 +1,91 @@ +/* + * QEMU SiFive U PRCI (Power, Reset, Clock, Interrupt) interface + * + * Copyright (c) 2019 Bin Meng <bmeng.cn@gmail.com> + * + * 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_SIFIVE_U_PRCI_H +#define HW_SIFIVE_U_PRCI_H + +#define SIFIVE_U_PRCI_HFXOSCCFG 0x00 +#define SIFIVE_U_PRCI_COREPLLCFG0 0x04 +#define SIFIVE_U_PRCI_DDRPLLCFG0 0x0C +#define SIFIVE_U_PRCI_DDRPLLCFG1 0x10 +#define SIFIVE_U_PRCI_GEMGXLPLLCFG0 0x1C +#define SIFIVE_U_PRCI_GEMGXLPLLCFG1 0x20 +#define SIFIVE_U_PRCI_CORECLKSEL 0x24 +#define SIFIVE_U_PRCI_DEVICESRESET 0x28 +#define SIFIVE_U_PRCI_CLKMUXSTATUS 0x2C + +/* + * Current FU540-C000 manual says ready bit is at bit 29, but + * freedom-u540-c000-bootloader codes (ux00prci.h) says it is at bit 31. + * We have to trust the actual code that works. + * + * see https://github.com/sifive/freedom-u540-c000-bootloader + */ + +#define SIFIVE_U_PRCI_HFXOSCCFG_EN (1 << 30) +#define SIFIVE_U_PRCI_HFXOSCCFG_RDY (1 << 31) + +/* xxxPLLCFG0 register bits */ +#define SIFIVE_U_PRCI_PLLCFG0_DIVR (1 << 0) +#define SIFIVE_U_PRCI_PLLCFG0_DIVF (31 << 6) +#define SIFIVE_U_PRCI_PLLCFG0_DIVQ (3 << 15) +#define SIFIVE_U_PRCI_PLLCFG0_FSE (1 << 25) +#define SIFIVE_U_PRCI_PLLCFG0_LOCK (1 << 31) + +/* xxxPLLCFG1 register bits */ +#define SIFIVE_U_PRCI_PLLCFG1_CKE (1 << 24) + +/* coreclksel register bits */ +#define SIFIVE_U_PRCI_CORECLKSEL_HFCLK (1 << 0) + + +#define SIFIVE_U_PRCI_REG_SIZE 0x1000 + +#define TYPE_SIFIVE_U_PRCI "riscv.sifive.u.prci" + +#define SIFIVE_U_PRCI(obj) \ + OBJECT_CHECK(SiFiveUPRCIState, (obj), TYPE_SIFIVE_U_PRCI) + +typedef struct SiFiveUPRCIState { + /*< private >*/ + SysBusDevice parent_obj; + + /*< public >*/ + MemoryRegion mmio; + uint32_t hfxosccfg; + uint32_t corepllcfg0; + uint32_t ddrpllcfg0; + uint32_t ddrpllcfg1; + uint32_t gemgxlpllcfg0; + uint32_t gemgxlpllcfg1; + uint32_t coreclksel; + uint32_t devicesreset; + uint32_t clkmuxstatus; +} SiFiveUPRCIState; + +/* + * Clock indexes for use by Device Tree data and the PRCI driver. + * + * These values are from sifive-fu540-prci.h in the Linux kernel. + */ +#define PRCI_CLK_COREPLL 0 +#define PRCI_CLK_DDRPLL 1 +#define PRCI_CLK_GEMGXLPLL 2 +#define PRCI_CLK_TLCLK 3 + +#endif /* HW_SIFIVE_U_PRCI_H */ diff --git a/pc-bios/opensbi-riscv32-virt-fw_jump.bin b/pc-bios/opensbi-riscv32-virt-fw_jump.bin index f5bcaa5695..f5bcaa5695 100755..100644 --- a/pc-bios/opensbi-riscv32-virt-fw_jump.bin +++ b/pc-bios/opensbi-riscv32-virt-fw_jump.bin Binary files differdiff --git a/pc-bios/opensbi-riscv64-sifive_u-fw_jump.bin b/pc-bios/opensbi-riscv64-sifive_u-fw_jump.bin index 5d7a1ef681..eb22aefdfb 100755..100644 --- a/pc-bios/opensbi-riscv64-sifive_u-fw_jump.bin +++ b/pc-bios/opensbi-riscv64-sifive_u-fw_jump.bin Binary files differdiff --git a/pc-bios/opensbi-riscv64-virt-fw_jump.bin b/pc-bios/opensbi-riscv64-virt-fw_jump.bin index 4cec6f0210..4cec6f0210 100755..100644 --- a/pc-bios/opensbi-riscv64-virt-fw_jump.bin +++ b/pc-bios/opensbi-riscv64-virt-fw_jump.bin Binary files differdiff --git a/roms/Makefile b/roms/Makefile index 775c963f9d..6cf07d3b44 100644 --- a/roms/Makefile +++ b/roms/Makefile @@ -182,8 +182,8 @@ opensbi64-virt: opensbi64-sifive_u: $(MAKE) -C opensbi \ CROSS_COMPILE=$(riscv64_cross_prefix) \ - PLATFORM="qemu/sifive_u" - cp opensbi/build/platform/qemu/sifive_u/firmware/fw_jump.bin ../pc-bios/opensbi-riscv64-sifive_u-fw_jump.bin + PLATFORM="sifive/fu540" + cp opensbi/build/platform/sifive/fu540/firmware/fw_jump.bin ../pc-bios/opensbi-riscv64-sifive_u-fw_jump.bin clean: rm -rf seabios/.config seabios/out seabios/builds diff --git a/target/riscv/Makefile.objs b/target/riscv/Makefile.objs index b1c79bc1d1..ff651f69f6 100644 --- a/target/riscv/Makefile.objs +++ b/target/riscv/Makefile.objs @@ -1,4 +1,9 @@ -obj-y += translate.o op_helper.o cpu_helper.o cpu.o csr.o fpu_helper.o gdbstub.o pmp.o +obj-y += translate.o op_helper.o cpu_helper.o cpu.o csr.o fpu_helper.o gdbstub.o +obj-$(CONFIG_SOFTMMU) += pmp.o + +ifeq ($(CONFIG_SOFTMMU),y) +obj-y += monitor.o +endif DECODETREE = $(SRC_PATH)/scripts/decodetree.py diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 6d52f97d7c..f13e298a36 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -34,17 +34,20 @@ static const char riscv_exts[26] = "IEMAFDQCLBJTPVNSUHKORWXYZG"; const char * const riscv_int_regnames[] = { - "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", - "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", - "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", - "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6" + "x0/zero", "x1/ra", "x2/sp", "x3/gp", "x4/tp", "x5/t0", "x6/t1", + "x7/t2", "x8/s0", "x9/s1", "x10/a0", "x11/a1", "x12/a2", "x13/a3", + "x14/a4", "x15/a5", "x16/a6", "x17/a7", "x18/s2", "x19/s3", "x20/s4", + "x21/s5", "x22/s6", "x23/s7", "x24/s8", "x25/s9", "x26/s10", "x27/s11", + "x28/t3", "x29/t4", "x30/t5", "x31/t6" }; const char * const riscv_fpr_regnames[] = { - "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", - "fs0", "fs1", "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", - "fa6", "fa7", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", - "fs8", "fs9", "fs10", "fs11", "ft8", "ft9", "ft10", "ft11" + "f0/ft0", "f1/ft1", "f2/ft2", "f3/ft3", "f4/ft4", "f5/ft5", + "f6/ft6", "f7/ft7", "f8/fs0", "f9/fs1", "f10/fa0", "f11/fa1", + "f12/fa2", "f13/fa3", "f14/fa4", "f15/fa5", "f16/fa6", "f17/fa7", + "f18/fs2", "f19/fs3", "f20/fs4", "f21/fs5", "f22/fs6", "f23/fs7", + "f24/fs8", "f25/fs9", "f26/fs10", "f27/fs11", "f28/ft8", "f29/ft9", + "f30/ft10", "f31/ft11" }; const char * const riscv_excp_names[] = { diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 18d91d0920..124ed33ee4 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -255,6 +255,7 @@ void riscv_cpu_do_interrupt(CPUState *cpu); int riscv_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg); int riscv_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); bool riscv_cpu_exec_interrupt(CPUState *cs, int interrupt_request); +bool riscv_cpu_fp_enabled(CPURISCVState *env); int riscv_cpu_mmu_index(CPURISCVState *env, bool ifetch); hwaddr riscv_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); void riscv_cpu_do_unaligned_access(CPUState *cs, vaddr addr, @@ -298,7 +299,10 @@ static inline void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc, #ifdef CONFIG_USER_ONLY *flags = TB_FLAGS_MSTATUS_FS; #else - *flags = cpu_mmu_index(env, 0) | (env->mstatus & MSTATUS_FS); + *flags = cpu_mmu_index(env, 0); + if (riscv_cpu_fp_enabled(env)) { + *flags |= TB_FLAGS_MSTATUS_FS; + } #endif } diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index 11f971ad5d..e99834856c 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -173,6 +173,24 @@ #define CSR_SPTBR 0x180 #define CSR_SATP 0x180 +/* Hpervisor CSRs */ +#define CSR_HSTATUS 0x600 +#define CSR_HEDELEG 0x602 +#define CSR_HIDELEG 0x603 +#define CSR_HCOUNTERNEN 0x606 +#define CSR_HGATP 0x680 + +#if defined(TARGET_RISCV32) +#define HGATP_MODE SATP32_MODE +#define HGATP_VMID SATP32_ASID +#define HGATP_PPN SATP32_PPN +#endif +#if defined(TARGET_RISCV64) +#define HGATP_MODE SATP64_MODE +#define HGATP_VMID SATP64_ASID +#define HGATP_PPN SATP64_PPN +#endif + /* Physical Memory Protection */ #define CSR_PMPCFG0 0x3a0 #define CSR_PMPCFG1 0x3a1 @@ -206,23 +224,6 @@ #define CSR_DPC 0x7b1 #define CSR_DSCRATCH 0x7b2 -/* Hpervisor CSRs */ -#define CSR_HSTATUS 0xa00 -#define CSR_HEDELEG 0xa02 -#define CSR_HIDELEG 0xa03 -#define CSR_HGATP 0xa80 - -#if defined(TARGET_RISCV32) -#define HGATP_MODE SATP32_MODE -#define HGATP_ASID SATP32_ASID -#define HGATP_PPN SATP32_PPN -#endif -#if defined(TARGET_RISCV64) -#define HGATP_MODE SATP64_MODE -#define HGATP_ASID SATP64_ASID -#define HGATP_PPN SATP64_PPN -#endif - /* Performance Counters */ #define CSR_MHPMCOUNTER3 0xb03 #define CSR_MHPMCOUNTER4 0xb04 diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index e32b6126af..87dd6a6ece 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -71,6 +71,16 @@ bool riscv_cpu_exec_interrupt(CPUState *cs, int interrupt_request) #if !defined(CONFIG_USER_ONLY) +/* Return true is floating point support is currently enabled */ +bool riscv_cpu_fp_enabled(CPURISCVState *env) +{ + if (env->mstatus & MSTATUS_FS) { + return true; + } + + return false; +} + int riscv_cpu_claim_interrupts(RISCVCPU *cpu, uint32_t interrupts) { CPURISCVState *env = &cpu->env; @@ -176,12 +186,12 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical, *prot = 0; - target_ulong base; + hwaddr base; int levels, ptidxbits, ptesize, vm, sum; int mxr = get_field(env->mstatus, MSTATUS_MXR); if (env->priv_ver >= PRIV_VERSION_1_10_0) { - base = get_field(env->satp, SATP_PPN) << PGSHIFT; + base = (hwaddr)get_field(env->satp, SATP_PPN) << PGSHIFT; sum = get_field(env->mstatus, MSTATUS_SUM); vm = get_field(env->satp, SATP_MODE); switch (vm) { @@ -201,7 +211,7 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical, g_assert_not_reached(); } } else { - base = env->sptbr << PGSHIFT; + base = (hwaddr)(env->sptbr) << PGSHIFT; sum = !get_field(env->mstatus, MSTATUS_PUM); vm = get_field(env->mstatus, MSTATUS_VM); switch (vm) { @@ -239,7 +249,7 @@ restart: ((1 << ptidxbits) - 1); /* check that physical address of PTE is legal */ - target_ulong pte_addr = base + idx * ptesize; + hwaddr pte_addr = base + idx * ptesize; if (riscv_feature(env, RISCV_FEATURE_PMP) && !pmp_hart_has_privs(env, pte_addr, sizeof(target_ulong), @@ -251,7 +261,7 @@ restart: #elif defined(TARGET_RISCV64) target_ulong pte = ldq_phys(cs->as, pte_addr); #endif - target_ulong ppn = pte >> PTE_PPN_SHIFT; + hwaddr ppn = pte >> PTE_PPN_SHIFT; if (!(pte & PTE_V)) { /* Invalid PTE */ diff --git a/target/riscv/csr.c b/target/riscv/csr.c index e0d4586760..f767ad24be 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -46,7 +46,7 @@ void riscv_set_csr_ops(int csrno, riscv_csr_operations *ops) static int fs(CPURISCVState *env, int csrno) { #if !defined(CONFIG_USER_ONLY) - if (!env->debugger && !(env->mstatus & MSTATUS_FS)) { + if (!env->debugger && !riscv_cpu_fp_enabled(env)) { return -1; } #endif @@ -108,7 +108,7 @@ static int pmp(CPURISCVState *env, int csrno) static int read_fflags(CPURISCVState *env, int csrno, target_ulong *val) { #if !defined(CONFIG_USER_ONLY) - if (!env->debugger && !(env->mstatus & MSTATUS_FS)) { + if (!env->debugger && !riscv_cpu_fp_enabled(env)) { return -1; } #endif @@ -119,7 +119,7 @@ static int read_fflags(CPURISCVState *env, int csrno, target_ulong *val) static int write_fflags(CPURISCVState *env, int csrno, target_ulong val) { #if !defined(CONFIG_USER_ONLY) - if (!env->debugger && !(env->mstatus & MSTATUS_FS)) { + if (!env->debugger && !riscv_cpu_fp_enabled(env)) { return -1; } env->mstatus |= MSTATUS_FS; @@ -131,7 +131,7 @@ static int write_fflags(CPURISCVState *env, int csrno, target_ulong val) static int read_frm(CPURISCVState *env, int csrno, target_ulong *val) { #if !defined(CONFIG_USER_ONLY) - if (!env->debugger && !(env->mstatus & MSTATUS_FS)) { + if (!env->debugger && !riscv_cpu_fp_enabled(env)) { return -1; } #endif @@ -142,7 +142,7 @@ static int read_frm(CPURISCVState *env, int csrno, target_ulong *val) static int write_frm(CPURISCVState *env, int csrno, target_ulong val) { #if !defined(CONFIG_USER_ONLY) - if (!env->debugger && !(env->mstatus & MSTATUS_FS)) { + if (!env->debugger && !riscv_cpu_fp_enabled(env)) { return -1; } env->mstatus |= MSTATUS_FS; @@ -154,7 +154,7 @@ static int write_frm(CPURISCVState *env, int csrno, target_ulong val) static int read_fcsr(CPURISCVState *env, int csrno, target_ulong *val) { #if !defined(CONFIG_USER_ONLY) - if (!env->debugger && !(env->mstatus & MSTATUS_FS)) { + if (!env->debugger && !riscv_cpu_fp_enabled(env)) { return -1; } #endif @@ -166,7 +166,7 @@ static int read_fcsr(CPURISCVState *env, int csrno, target_ulong *val) static int write_fcsr(CPURISCVState *env, int csrno, target_ulong val) { #if !defined(CONFIG_USER_ONLY) - if (!env->debugger && !(env->mstatus & MSTATUS_FS)) { + if (!env->debugger && !riscv_cpu_fp_enabled(env)) { return -1; } env->mstatus |= MSTATUS_FS; @@ -307,6 +307,7 @@ static int write_mstatus(CPURISCVState *env, int csrno, target_ulong val) { target_ulong mstatus = env->mstatus; target_ulong mask = 0; + int dirty; /* flush tlb on mstatus fields that affect VM */ if (env->priv_ver <= PRIV_VERSION_1_09_1) { @@ -334,14 +335,15 @@ static int write_mstatus(CPURISCVState *env, int csrno, target_ulong val) * RV32: MPV and MTL are not in mstatus. The current plan is to * add them to mstatush. For now, we just don't support it. */ - mask |= MSTATUS_MPP | MSTATUS_MPV; + mask |= MSTATUS_MTL | MSTATUS_MPV; #endif } mstatus = (mstatus & ~mask) | (val & mask); - int dirty = ((mstatus & MSTATUS_FS) == MSTATUS_FS) | - ((mstatus & MSTATUS_XS) == MSTATUS_XS); + dirty = (riscv_cpu_fp_enabled(env) && + ((mstatus & MSTATUS_FS) == MSTATUS_FS)) | + ((mstatus & MSTATUS_XS) == MSTATUS_XS); mstatus = set_field(mstatus, MSTATUS_SD, dirty); env->mstatus = mstatus; diff --git a/target/riscv/gdbstub.c b/target/riscv/gdbstub.c index 27be93279b..ded140e8d8 100644 --- a/target/riscv/gdbstub.c +++ b/target/riscv/gdbstub.c @@ -313,7 +313,8 @@ static int riscv_gdb_get_fpu(CPURISCVState *env, uint8_t *mem_buf, int n) * register 33, so we recalculate the map index. * This also works for CSR_FRM and CSR_FCSR. */ - result = riscv_csrrw_debug(env, n - 33 + 8, &val, 0, 0); + result = riscv_csrrw_debug(env, n - 33 + csr_register_map[8], &val, + 0, 0); if (result == 0) { return gdb_get_regl(mem_buf, val); } @@ -335,7 +336,8 @@ static int riscv_gdb_set_fpu(CPURISCVState *env, uint8_t *mem_buf, int n) * register 33, so we recalculate the map index. * This also works for CSR_FRM and CSR_FCSR. */ - result = riscv_csrrw_debug(env, n - 33 + 8, NULL, val, -1); + result = riscv_csrrw_debug(env, n - 33 + csr_register_map[8], NULL, + val, -1); if (result == 0) { return sizeof(target_ulong); } diff --git a/target/riscv/monitor.c b/target/riscv/monitor.c new file mode 100644 index 0000000000..d725a7a36e --- /dev/null +++ b/target/riscv/monitor.c @@ -0,0 +1,229 @@ +/* + * QEMU monitor for RISC-V + * + * Copyright (c) 2019 Bin Meng <bmeng.cn@gmail.com> + * + * RISC-V specific monitor commands implementation + * + * 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 "cpu.h" +#include "cpu_bits.h" +#include "monitor/monitor.h" +#include "monitor/hmp-target.h" + +#ifdef TARGET_RISCV64 +#define PTE_HEADER_FIELDS "vaddr paddr "\ + "size attr\n" +#define PTE_HEADER_DELIMITER "---------------- ---------------- "\ + "---------------- -------\n" +#else +#define PTE_HEADER_FIELDS "vaddr paddr size attr\n" +#define PTE_HEADER_DELIMITER "-------- ---------------- -------- -------\n" +#endif + +/* Perform linear address sign extension */ +static target_ulong addr_canonical(int va_bits, target_ulong addr) +{ +#ifdef TARGET_RISCV64 + if (addr & (1UL << (va_bits - 1))) { + addr |= (hwaddr)-(1L << va_bits); + } +#endif + + return addr; +} + +static void print_pte_header(Monitor *mon) +{ + monitor_printf(mon, PTE_HEADER_FIELDS); + monitor_printf(mon, PTE_HEADER_DELIMITER); +} + +static void print_pte(Monitor *mon, int va_bits, target_ulong vaddr, + hwaddr paddr, target_ulong size, int attr) +{ + /* santity check on vaddr */ + if (vaddr >= (1UL << va_bits)) { + return; + } + + if (!size) { + return; + } + + monitor_printf(mon, TARGET_FMT_lx " " TARGET_FMT_plx " " TARGET_FMT_lx + " %c%c%c%c%c%c%c\n", + addr_canonical(va_bits, vaddr), + paddr, size, + attr & PTE_R ? 'r' : '-', + attr & PTE_W ? 'w' : '-', + attr & PTE_X ? 'x' : '-', + attr & PTE_U ? 'u' : '-', + attr & PTE_G ? 'g' : '-', + attr & PTE_A ? 'a' : '-', + attr & PTE_D ? 'd' : '-'); +} + +static void walk_pte(Monitor *mon, hwaddr base, target_ulong start, + int level, int ptidxbits, int ptesize, int va_bits, + target_ulong *vbase, hwaddr *pbase, hwaddr *last_paddr, + target_ulong *last_size, int *last_attr) +{ + hwaddr pte_addr; + hwaddr paddr; + target_ulong pgsize; + target_ulong pte; + int ptshift; + int attr; + int idx; + + if (level < 0) { + return; + } + + ptshift = level * ptidxbits; + pgsize = 1UL << (PGSHIFT + ptshift); + + for (idx = 0; idx < (1UL << ptidxbits); idx++) { + pte_addr = base + idx * ptesize; + cpu_physical_memory_read(pte_addr, &pte, ptesize); + + paddr = (hwaddr)(pte >> PTE_PPN_SHIFT) << PGSHIFT; + attr = pte & 0xff; + + /* PTE has to be valid */ + if (attr & PTE_V) { + if (attr & (PTE_R | PTE_W | PTE_X)) { + /* + * A leaf PTE has been found + * + * If current PTE's permission bits differ from the last one, + * or current PTE's ppn does not make a contiguous physical + * address block together with the last one, print out the last + * contiguous mapped block details. + */ + if ((*last_attr != attr) || + (*last_paddr + *last_size != paddr)) { + print_pte(mon, va_bits, *vbase, *pbase, + *last_paddr + *last_size - *pbase, *last_attr); + + *vbase = start; + *pbase = paddr; + *last_attr = attr; + } + + *last_paddr = paddr; + *last_size = pgsize; + } else { + /* pointer to the next level of the page table */ + walk_pte(mon, paddr, start, level - 1, ptidxbits, ptesize, + va_bits, vbase, pbase, last_paddr, + last_size, last_attr); + } + } + + start += pgsize; + } + +} + +static void mem_info_svxx(Monitor *mon, CPUArchState *env) +{ + int levels, ptidxbits, ptesize, vm, va_bits; + hwaddr base; + target_ulong vbase; + hwaddr pbase; + hwaddr last_paddr; + target_ulong last_size; + int last_attr; + + base = (hwaddr)get_field(env->satp, SATP_PPN) << PGSHIFT; + + vm = get_field(env->satp, SATP_MODE); + switch (vm) { + case VM_1_10_SV32: + levels = 2; + ptidxbits = 10; + ptesize = 4; + break; + case VM_1_10_SV39: + levels = 3; + ptidxbits = 9; + ptesize = 8; + break; + case VM_1_10_SV48: + levels = 4; + ptidxbits = 9; + ptesize = 8; + break; + case VM_1_10_SV57: + levels = 5; + ptidxbits = 9; + ptesize = 8; + break; + default: + g_assert_not_reached(); + break; + } + + /* calculate virtual address bits */ + va_bits = PGSHIFT + levels * ptidxbits; + + /* print header */ + print_pte_header(mon); + + vbase = -1; + pbase = -1; + last_paddr = -1; + last_size = 0; + last_attr = 0; + + /* walk page tables, starting from address 0 */ + walk_pte(mon, base, 0, levels - 1, ptidxbits, ptesize, va_bits, + &vbase, &pbase, &last_paddr, &last_size, &last_attr); + + /* don't forget the last one */ + print_pte(mon, va_bits, vbase, pbase, + last_paddr + last_size - pbase, last_attr); +} + +void hmp_info_mem(Monitor *mon, const QDict *qdict) +{ + CPUArchState *env; + + env = mon_get_cpu_env(); + if (!env) { + monitor_printf(mon, "No CPU available\n"); + return; + } + + if (!riscv_feature(env, RISCV_FEATURE_MMU)) { + monitor_printf(mon, "S-mode MMU unavailable\n"); + return; + } + + if (env->priv_ver < PRIV_VERSION_1_10_0) { + monitor_printf(mon, "Privileged mode < 1.10 unsupported\n"); + return; + } + + if (!(env->satp & SATP_MODE)) { + monitor_printf(mon, "No translation or protection\n"); + return; + } + + mem_info_svxx(mon, env); +} diff --git a/target/riscv/pmp.c b/target/riscv/pmp.c index 958c7502a0..d4f1007109 100644 --- a/target/riscv/pmp.c +++ b/target/riscv/pmp.c @@ -27,16 +27,7 @@ #include "qemu/log.h" #include "qapi/error.h" #include "cpu.h" - -#ifndef CONFIG_USER_ONLY - -#define RISCV_DEBUG_PMP 0 -#define PMP_DEBUG(fmt, ...) \ - do { \ - if (RISCV_DEBUG_PMP) { \ - qemu_log_mask(LOG_TRACE, "%s: " fmt "\n", __func__, ##__VA_ARGS__);\ - } \ - } while (0) +#include "trace.h" static void pmp_write_cfg(CPURISCVState *env, uint32_t addr_index, uint8_t val); @@ -304,8 +295,7 @@ void pmpcfg_csr_write(CPURISCVState *env, uint32_t reg_index, int i; uint8_t cfg_val; - PMP_DEBUG("hart " TARGET_FMT_ld ": reg%d, val: 0x" TARGET_FMT_lx, - env->mhartid, reg_index, val); + trace_pmpcfg_csr_write(env->mhartid, reg_index, val); if ((reg_index & 1) && (sizeof(target_ulong) == 8)) { qemu_log_mask(LOG_GUEST_ERROR, @@ -334,9 +324,7 @@ target_ulong pmpcfg_csr_read(CPURISCVState *env, uint32_t reg_index) val = pmp_read_cfg(env, (reg_index * sizeof(target_ulong)) + i); cfg_val |= (val << (i * 8)); } - - PMP_DEBUG("hart " TARGET_FMT_ld ": reg%d, val: 0x" TARGET_FMT_lx, - env->mhartid, reg_index, cfg_val); + trace_pmpcfg_csr_read(env->mhartid, reg_index, cfg_val); return cfg_val; } @@ -348,9 +336,7 @@ target_ulong pmpcfg_csr_read(CPURISCVState *env, uint32_t reg_index) void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index, target_ulong val) { - PMP_DEBUG("hart " TARGET_FMT_ld ": addr%d, val: 0x" TARGET_FMT_lx, - env->mhartid, addr_index, val); - + trace_pmpaddr_csr_write(env->mhartid, addr_index, val); if (addr_index < MAX_RISCV_PMPS) { if (!pmp_is_locked(env, addr_index)) { env->pmp_state.pmp[addr_index].addr_reg = val; @@ -371,16 +357,15 @@ void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index, */ target_ulong pmpaddr_csr_read(CPURISCVState *env, uint32_t addr_index) { - PMP_DEBUG("hart " TARGET_FMT_ld ": addr%d, val: 0x" TARGET_FMT_lx, - env->mhartid, addr_index, - env->pmp_state.pmp[addr_index].addr_reg); + target_ulong val = 0; + if (addr_index < MAX_RISCV_PMPS) { - return env->pmp_state.pmp[addr_index].addr_reg; + val = env->pmp_state.pmp[addr_index].addr_reg; + trace_pmpaddr_csr_read(env->mhartid, addr_index, val); } else { qemu_log_mask(LOG_GUEST_ERROR, "ignoring pmpaddr read - out of bounds\n"); - return 0; } -} -#endif + return val; +} diff --git a/target/riscv/trace-events b/target/riscv/trace-events index 48af0373df..4b6c652ae9 100644 --- a/target/riscv/trace-events +++ b/target/riscv/trace-events @@ -1,2 +1,8 @@ # target/riscv/cpu_helper.c riscv_trap(uint64_t hartid, bool async, uint64_t cause, uint64_t epc, uint64_t tval, const char *desc) "hart:%"PRId64", async:%d, cause:%"PRId64", epc:0x%"PRIx64", tval:0x%"PRIx64", desc=%s" + +# pmp.c +pmpcfg_csr_read(uint64_t mhartid, uint32_t reg_index, uint64_t val) "hart %" PRIu64 ": read reg%" PRIu32", val: 0x%" PRIx64 +pmpcfg_csr_write(uint64_t mhartid, uint32_t reg_index, uint64_t val) "hart %" PRIu64 ": write reg%" PRIu32", val: 0x%" PRIx64 +pmpaddr_csr_read(uint64_t mhartid, uint32_t addr_index, uint64_t val) "hart %" PRIu64 ": read addr%" PRIu32", val: 0x%" PRIx64 +pmpaddr_csr_write(uint64_t mhartid, uint32_t addr_index, uint64_t val) "hart %" PRIu64 ": write addr%" PRIu32", val: 0x%" PRIx64 |