From 26cd0362dd43a32fc9a917f5c00b20e9dafa93be Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Tue, 5 May 2020 13:07:24 -0700 Subject: hw/riscv: spike: Remove deprecated ISA specific machines MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The ISA specific Spike machines have been deprecated in QEMU since 4.1, let's finally remove them. Signed-off-by: Alistair Francis Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Bin Meng Reviewed-by: Thomas Huth --- include/hw/riscv/spike.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'include') diff --git a/include/hw/riscv/spike.h b/include/hw/riscv/spike.h index dc770421bc..1cd72b85d6 100644 --- a/include/hw/riscv/spike.h +++ b/include/hw/riscv/spike.h @@ -39,11 +39,9 @@ enum { }; #if defined(TARGET_RISCV32) -#define SPIKE_V1_09_1_CPU TYPE_RISCV_CPU_RV32GCSU_V1_09_1 -#define SPIKE_V1_10_0_CPU TYPE_RISCV_CPU_RV32GCSU_V1_10_0 +#define SPIKE_V1_10_0_CPU TYPE_RISCV_CPU_BASE32 #elif defined(TARGET_RISCV64) -#define SPIKE_V1_09_1_CPU TYPE_RISCV_CPU_RV64GCSU_V1_09_1 -#define SPIKE_V1_10_0_CPU TYPE_RISCV_CPU_RV64GCSU_V1_10_0 +#define SPIKE_V1_10_0_CPU TYPE_RISCV_CPU_BASE64 #endif #endif -- cgit 1.4.1 From 0869490b1cc4d917ac4eb3a02cac7d71149def91 Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Wed, 13 May 2020 10:37:08 -0700 Subject: riscv: sifive_e: Manually define the machine Signed-off-by: Alistair Francis Reviewed-by: Palmer Dabbelt --- hw/riscv/sifive_e.c | 41 ++++++++++++++++++++++++++++++----------- include/hw/riscv/sifive_e.h | 4 ++++ 2 files changed, 34 insertions(+), 11 deletions(-) (limited to 'include') diff --git a/hw/riscv/sifive_e.c b/hw/riscv/sifive_e.c index b53109521e..472a98970b 100644 --- a/hw/riscv/sifive_e.c +++ b/hw/riscv/sifive_e.c @@ -79,7 +79,7 @@ static void riscv_sifive_e_init(MachineState *machine) { const struct MemmapEntry *memmap = sifive_e_memmap; - SiFiveEState *s = g_new0(SiFiveEState, 1); + SiFiveEState *s = RISCV_E_MACHINE(machine); MemoryRegion *sys_mem = get_system_memory(); MemoryRegion *main_mem = g_new(MemoryRegion, 1); int i; @@ -115,6 +115,35 @@ static void riscv_sifive_e_init(MachineState *machine) } } +static void sifive_e_machine_instance_init(Object *obj) +{ +} + +static void sifive_e_machine_class_init(ObjectClass *oc, void *data) +{ + MachineClass *mc = MACHINE_CLASS(oc); + + mc->desc = "RISC-V Board compatible with SiFive E SDK"; + mc->init = riscv_sifive_e_init; + mc->max_cpus = 1; + mc->default_cpu_type = SIFIVE_E_CPU; +} + +static const TypeInfo sifive_e_machine_typeinfo = { + .name = MACHINE_TYPE_NAME("sifive_e"), + .parent = TYPE_MACHINE, + .class_init = sifive_e_machine_class_init, + .instance_init = sifive_e_machine_instance_init, + .instance_size = sizeof(SiFiveEState), +}; + +static void sifive_e_machine_init_register_types(void) +{ + type_register_static(&sifive_e_machine_typeinfo); +} + +type_init(sifive_e_machine_init_register_types) + static void riscv_sifive_e_soc_init(Object *obj) { MachineState *ms = MACHINE(qdev_get_machine()); @@ -214,16 +243,6 @@ static void riscv_sifive_e_soc_realize(DeviceState *dev, Error **errp) &s->xip_mem); } -static void riscv_sifive_e_machine_init(MachineClass *mc) -{ - mc->desc = "RISC-V Board compatible with SiFive E SDK"; - mc->init = riscv_sifive_e_init; - mc->max_cpus = 1; - mc->default_cpu_type = SIFIVE_E_CPU; -} - -DEFINE_MACHINE("sifive_e", riscv_sifive_e_machine_init) - static void riscv_sifive_e_soc_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); diff --git a/include/hw/riscv/sifive_e.h b/include/hw/riscv/sifive_e.h index 25ce7aa9d5..414992119e 100644 --- a/include/hw/riscv/sifive_e.h +++ b/include/hw/riscv/sifive_e.h @@ -47,6 +47,10 @@ typedef struct SiFiveEState { SiFiveESoCState soc; } SiFiveEState; +#define TYPE_RISCV_E_MACHINE MACHINE_TYPE_NAME("sifive_e") +#define RISCV_E_MACHINE(obj) \ + OBJECT_CHECK(SiFiveEState, (obj), TYPE_RISCV_E_MACHINE) + enum { SIFIVE_E_DEBUG, SIFIVE_E_MROM, -- cgit 1.4.1 From 757e99b1ebfa8bc2823ba686ab56bb9941b2f238 Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Thu, 23 Apr 2020 14:09:37 -0700 Subject: riscv/boot: Add a missing header include MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit As the functions declared in this header use the symbol_fn_t typedef itself declared in "hw/loader.h", we need to include it here to make the header file self-contained. Signed-off-by: Alistair Francis Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Bin Meng --- include/hw/riscv/boot.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/hw/riscv/boot.h b/include/hw/riscv/boot.h index 474a940ad5..9daa98da08 100644 --- a/include/hw/riscv/boot.h +++ b/include/hw/riscv/boot.h @@ -21,6 +21,7 @@ #define RISCV_BOOT_H #include "exec/cpu-defs.h" +#include "hw/loader.h" void riscv_find_and_load_firmware(MachineState *machine, const char *default_machine_firmware, -- cgit 1.4.1 From fe0fe4735e798578097758781166cc221319b93d Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Thu, 23 Apr 2020 11:30:50 -0700 Subject: riscv: Initial commit of OpenTitan machine This adds a barebone OpenTitan machine to QEMU. Signed-off-by: Alistair Francis Reviewed-by: Bin Meng --- MAINTAINERS | 9 ++ default-configs/riscv32-softmmu.mak | 1 + default-configs/riscv64-softmmu.mak | 11 ++- hw/riscv/Kconfig | 5 + hw/riscv/Makefile.objs | 1 + hw/riscv/opentitan.c | 184 ++++++++++++++++++++++++++++++++++++ include/hw/riscv/opentitan.h | 68 +++++++++++++ 7 files changed, 278 insertions(+), 1 deletion(-) create mode 100644 hw/riscv/opentitan.c create mode 100644 include/hw/riscv/opentitan.h (limited to 'include') diff --git a/MAINTAINERS b/MAINTAINERS index 0944d9c731..3e7d9cb0a5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1238,6 +1238,15 @@ F: pc-bios/canyonlands.dt[sb] F: pc-bios/u-boot-sam460ex-20100605.bin F: roms/u-boot-sam460ex +RISC-V Machines +--------------- +OpenTitan +M: Alistair Francis +L: qemu-riscv@nongnu.org +S: Supported +F: hw/riscv/opentitan.c +F: include/hw/riscv/opentitan.h + SH4 Machines ------------ R2D diff --git a/default-configs/riscv32-softmmu.mak b/default-configs/riscv32-softmmu.mak index 1ae077ed87..94a236c9c2 100644 --- a/default-configs/riscv32-softmmu.mak +++ b/default-configs/riscv32-softmmu.mak @@ -10,3 +10,4 @@ CONFIG_SPIKE=y CONFIG_SIFIVE_E=y CONFIG_SIFIVE_U=y CONFIG_RISCV_VIRT=y +CONFIG_OPENTITAN=y diff --git a/default-configs/riscv64-softmmu.mak b/default-configs/riscv64-softmmu.mak index 235c6f473f..aaf6d735bb 100644 --- a/default-configs/riscv64-softmmu.mak +++ b/default-configs/riscv64-softmmu.mak @@ -1,3 +1,12 @@ # Default configuration for riscv64-softmmu -include riscv32-softmmu.mak +# Uncomment the following lines to disable these optional devices: +# +#CONFIG_PCI_DEVICES=n + +# Boards: +# +CONFIG_SPIKE=y +CONFIG_SIFIVE_E=y +CONFIG_SIFIVE_U=y +CONFIG_RISCV_VIRT=y diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig index ff9fbe958a..94d19571f7 100644 --- a/hw/riscv/Kconfig +++ b/hw/riscv/Kconfig @@ -27,6 +27,11 @@ config SPIKE select HTIF select SIFIVE +config OPENTITAN + bool + select HART + select UNIMP + config RISCV_VIRT bool imply PCI_DEVICES diff --git a/hw/riscv/Makefile.objs b/hw/riscv/Makefile.objs index fc3c6dd7c8..57cc708f5d 100644 --- a/hw/riscv/Makefile.objs +++ b/hw/riscv/Makefile.objs @@ -1,6 +1,7 @@ obj-y += boot.o obj-$(CONFIG_SPIKE) += riscv_htif.o obj-$(CONFIG_HART) += riscv_hart.o +obj-$(CONFIG_OPENTITAN) += opentitan.o obj-$(CONFIG_SIFIVE_E) += sifive_e.o obj-$(CONFIG_SIFIVE_E) += sifive_e_prci.o obj-$(CONFIG_SIFIVE) += sifive_clint.o diff --git a/hw/riscv/opentitan.c b/hw/riscv/opentitan.c new file mode 100644 index 0000000000..b4fb836466 --- /dev/null +++ b/hw/riscv/opentitan.c @@ -0,0 +1,184 @@ +/* + * QEMU RISC-V Board Compatible with OpenTitan FPGA platform + * + * Copyright (c) 2020 Western Digital + * + * Provides a board compatible with the OpenTitan FPGA platform: + * + * 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 . + */ + +#include "qemu/osdep.h" +#include "hw/riscv/opentitan.h" +#include "qapi/error.h" +#include "hw/boards.h" +#include "hw/misc/unimp.h" +#include "hw/riscv/boot.h" +#include "exec/address-spaces.h" + +static const struct MemmapEntry { + hwaddr base; + hwaddr size; +} ibex_memmap[] = { + [IBEX_ROM] = { 0x00008000, 0xc000 }, + [IBEX_RAM] = { 0x10000000, 0x10000 }, + [IBEX_FLASH] = { 0x20000000, 0x80000 }, + [IBEX_UART] = { 0x40000000, 0x10000 }, + [IBEX_GPIO] = { 0x40010000, 0x10000 }, + [IBEX_SPI] = { 0x40020000, 0x10000 }, + [IBEX_FLASH_CTRL] = { 0x40030000, 0x10000 }, + [IBEX_PINMUX] = { 0x40070000, 0x10000 }, + [IBEX_RV_TIMER] = { 0x40080000, 0x10000 }, + [IBEX_PLIC] = { 0x40090000, 0x10000 }, + [IBEX_PWRMGR] = { 0x400A0000, 0x10000 }, + [IBEX_RSTMGR] = { 0x400B0000, 0x10000 }, + [IBEX_CLKMGR] = { 0x400C0000, 0x10000 }, + [IBEX_AES] = { 0x40110000, 0x10000 }, + [IBEX_HMAC] = { 0x40120000, 0x10000 }, + [IBEX_ALERT_HANDLER] = { 0x40130000, 0x10000 }, + [IBEX_NMI_GEN] = { 0x40140000, 0x10000 }, + [IBEX_USBDEV] = { 0x40150000, 0x10000 }, + [IBEX_PADCTRL] = { 0x40160000, 0x10000 } +}; + +static void riscv_opentitan_init(MachineState *machine) +{ + const struct MemmapEntry *memmap = ibex_memmap; + OpenTitanState *s = g_new0(OpenTitanState, 1); + MemoryRegion *sys_mem = get_system_memory(); + MemoryRegion *main_mem = g_new(MemoryRegion, 1); + + /* Initialize SoC */ + object_initialize_child(OBJECT(machine), "soc", &s->soc, + sizeof(s->soc), TYPE_RISCV_IBEX_SOC, + &error_abort, NULL); + object_property_set_bool(OBJECT(&s->soc), true, "realized", + &error_abort); + + memory_region_init_ram(main_mem, NULL, "riscv.lowrisc.ibex.ram", + memmap[IBEX_RAM].size, &error_fatal); + memory_region_add_subregion(sys_mem, + memmap[IBEX_RAM].base, main_mem); + + + if (machine->firmware) { + riscv_load_firmware(machine->firmware, memmap[IBEX_RAM].base, NULL); + } + + if (machine->kernel_filename) { + riscv_load_kernel(machine->kernel_filename, NULL); + } +} + +static void riscv_opentitan_machine_init(MachineClass *mc) +{ + mc->desc = "RISC-V Board compatible with OpenTitan"; + mc->init = riscv_opentitan_init; + mc->max_cpus = 1; + mc->default_cpu_type = TYPE_RISCV_CPU_IBEX; +} + +DEFINE_MACHINE("opentitan", riscv_opentitan_machine_init) + +static void riscv_lowrisc_ibex_soc_init(Object *obj) +{ + LowRISCIbexSoCState *s = RISCV_IBEX_SOC(obj); + + object_initialize_child(obj, "cpus", &s->cpus, + sizeof(s->cpus), TYPE_RISCV_HART_ARRAY, + &error_abort, NULL); +} + +static void riscv_lowrisc_ibex_soc_realize(DeviceState *dev_soc, Error **errp) +{ + const struct MemmapEntry *memmap = ibex_memmap; + MachineState *ms = MACHINE(qdev_get_machine()); + LowRISCIbexSoCState *s = RISCV_IBEX_SOC(dev_soc); + MemoryRegion *sys_mem = get_system_memory(); + + object_property_set_str(OBJECT(&s->cpus), ms->cpu_type, "cpu-type", + &error_abort); + object_property_set_int(OBJECT(&s->cpus), ms->smp.cpus, "num-harts", + &error_abort); + object_property_set_bool(OBJECT(&s->cpus), true, "realized", + &error_abort); + + /* Boot ROM */ + memory_region_init_rom(&s->rom, OBJECT(dev_soc), "riscv.lowrisc.ibex.rom", + memmap[IBEX_ROM].size, &error_fatal); + memory_region_add_subregion(sys_mem, + memmap[IBEX_ROM].base, &s->rom); + + /* Flash memory */ + memory_region_init_rom(&s->flash_mem, OBJECT(dev_soc), "riscv.lowrisc.ibex.flash", + memmap[IBEX_FLASH].size, &error_fatal); + memory_region_add_subregion(sys_mem, memmap[IBEX_FLASH].base, + &s->flash_mem); + + create_unimplemented_device("riscv.lowrisc.ibex.uart", + memmap[IBEX_UART].base, memmap[IBEX_UART].size); + create_unimplemented_device("riscv.lowrisc.ibex.gpio", + memmap[IBEX_GPIO].base, memmap[IBEX_GPIO].size); + create_unimplemented_device("riscv.lowrisc.ibex.spi", + memmap[IBEX_SPI].base, memmap[IBEX_SPI].size); + create_unimplemented_device("riscv.lowrisc.ibex.flash_ctrl", + memmap[IBEX_FLASH_CTRL].base, memmap[IBEX_FLASH_CTRL].size); + create_unimplemented_device("riscv.lowrisc.ibex.rv_timer", + memmap[IBEX_RV_TIMER].base, memmap[IBEX_RV_TIMER].size); + create_unimplemented_device("riscv.lowrisc.ibex.pwrmgr", + memmap[IBEX_PWRMGR].base, memmap[IBEX_PWRMGR].size); + create_unimplemented_device("riscv.lowrisc.ibex.rstmgr", + memmap[IBEX_RSTMGR].base, memmap[IBEX_RSTMGR].size); + create_unimplemented_device("riscv.lowrisc.ibex.clkmgr", + memmap[IBEX_CLKMGR].base, memmap[IBEX_CLKMGR].size); + create_unimplemented_device("riscv.lowrisc.ibex.aes", + memmap[IBEX_AES].base, memmap[IBEX_AES].size); + create_unimplemented_device("riscv.lowrisc.ibex.hmac", + memmap[IBEX_HMAC].base, memmap[IBEX_HMAC].size); + create_unimplemented_device("riscv.lowrisc.ibex.plic", + memmap[IBEX_PLIC].base, memmap[IBEX_PLIC].size); + create_unimplemented_device("riscv.lowrisc.ibex.pinmux", + memmap[IBEX_PINMUX].base, memmap[IBEX_PINMUX].size); + create_unimplemented_device("riscv.lowrisc.ibex.alert_handler", + memmap[IBEX_ALERT_HANDLER].base, memmap[IBEX_ALERT_HANDLER].size); + create_unimplemented_device("riscv.lowrisc.ibex.nmi_gen", + memmap[IBEX_NMI_GEN].base, memmap[IBEX_NMI_GEN].size); + create_unimplemented_device("riscv.lowrisc.ibex.usbdev", + memmap[IBEX_USBDEV].base, memmap[IBEX_USBDEV].size); + create_unimplemented_device("riscv.lowrisc.ibex.padctrl", + memmap[IBEX_PADCTRL].base, memmap[IBEX_PADCTRL].size); +} + +static void riscv_lowrisc_ibex_soc_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = riscv_lowrisc_ibex_soc_realize; + /* Reason: Uses serial_hds in realize function, thus can't be used twice */ + dc->user_creatable = false; +} + +static const TypeInfo riscv_lowrisc_ibex_soc_type_info = { + .name = TYPE_RISCV_IBEX_SOC, + .parent = TYPE_DEVICE, + .instance_size = sizeof(LowRISCIbexSoCState), + .instance_init = riscv_lowrisc_ibex_soc_init, + .class_init = riscv_lowrisc_ibex_soc_class_init, +}; + +static void riscv_lowrisc_ibex_soc_register_types(void) +{ + type_register_static(&riscv_lowrisc_ibex_soc_type_info); +} + +type_init(riscv_lowrisc_ibex_soc_register_types) diff --git a/include/hw/riscv/opentitan.h b/include/hw/riscv/opentitan.h new file mode 100644 index 0000000000..a4b6499444 --- /dev/null +++ b/include/hw/riscv/opentitan.h @@ -0,0 +1,68 @@ +/* + * QEMU RISC-V Board Compatible with OpenTitan FPGA platform + * + * Copyright (c) 2020 Western Digital + * + * 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 . + */ + +#ifndef HW_OPENTITAN_H +#define HW_OPENTITAN_H + +#include "hw/riscv/riscv_hart.h" + +#define TYPE_RISCV_IBEX_SOC "riscv.lowrisc.ibex.soc" +#define RISCV_IBEX_SOC(obj) \ + OBJECT_CHECK(LowRISCIbexSoCState, (obj), TYPE_RISCV_IBEX_SOC) + +typedef struct LowRISCIbexSoCState { + /*< private >*/ + SysBusDevice parent_obj; + + /*< public >*/ + RISCVHartArrayState cpus; + MemoryRegion flash_mem; + MemoryRegion rom; +} LowRISCIbexSoCState; + +typedef struct OpenTitanState { + /*< private >*/ + SysBusDevice parent_obj; + + /*< public >*/ + LowRISCIbexSoCState soc; +} OpenTitanState; + +enum { + IBEX_ROM, + IBEX_RAM, + IBEX_FLASH, + IBEX_UART, + IBEX_GPIO, + IBEX_SPI, + IBEX_FLASH_CTRL, + IBEX_RV_TIMER, + IBEX_AES, + IBEX_HMAC, + IBEX_PLIC, + IBEX_PWRMGR, + IBEX_RSTMGR, + IBEX_CLKMGR, + IBEX_PINMUX, + IBEX_ALERT_HANDLER, + IBEX_NMI_GEN, + IBEX_USBDEV, + IBEX_PADCTRL, +}; + +#endif -- cgit 1.4.1