From patchwork Mon Mar 4 10:25:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wu, Fei" X-Patchwork-Id: 1907487 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=e7SO5kFX; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TpFJ72qZNz23l2 for ; Mon, 4 Mar 2024 21:27:35 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rh5XF-0007MZ-LN; Mon, 04 Mar 2024 05:27:05 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rh5XD-0007Lg-4n; Mon, 04 Mar 2024 05:27:03 -0500 Received: from mgamail.intel.com ([192.198.163.15]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rh5X8-00019m-BZ; Mon, 04 Mar 2024 05:27:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709548018; x=1741084018; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+CGVVWqeox7UN+LAbUVh+BUGnbWC+FBxReiOKfSK4xY=; b=e7SO5kFXu6LFOC5gdapRm5NZIfZRKzcng8LxEsXZ9CY/RCJRlHsi32xp mPP1sRFb2Cu33uF0YisrSAEPhRCH69ShAHq+UNGqZezxd6mmNnxx+Cp7e nKk2Co8YoxNd8lHnb5YwFA+xqkeDepe6FtXFE9O7wl1n0XDrspbz/qXLG FKFFfYe9KrfUwROc+n/a384/A4PoI+Sj46h+2t7y8TJpitF5mt+cQpJwd hTrSjjDdswe0h2SFwlvpu9PSRfG9pGoQ2JbPbpUIOvGvLS1SH80d5/DAq IKoXGciFCdj21mwMOLO3bO08L1x9XJB7NM72JKKZ0L/lAYVDfuwDy3WIe Q==; X-IronPort-AV: E=McAfee;i="6600,9927,11002"; a="4194852" X-IronPort-AV: E=Sophos;i="6.06,203,1705392000"; d="scan'208";a="4194852" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2024 02:26:56 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,203,1705392000"; d="scan'208";a="13509371" Received: from wufei-optiplex-7090.sh.intel.com ([10.239.158.51]) by fmviesa004.fm.intel.com with ESMTP; 04 Mar 2024 02:26:51 -0800 From: Fei Wu To: pbonzini@redhat.com, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, liwei1518@gmail.com, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, qemu-devel@nongnu.org, qemu-riscv@nongnu.org, andrei.warkentin@intel.com, shaolin.xie@alibaba-inc.com, ved@rivosinc.com, sunilvl@ventanamicro.com, haibo1.xu@intel.com, evan.chai@intel.com, yin.wang@intel.com, tech-server-platform@lists.riscv.org, tech-server-soc@lists.riscv.org Cc: Fei Wu Subject: [RFC 1/2] hw/riscv: Add server platform reference machine Date: Mon, 4 Mar 2024 18:25:39 +0800 Message-Id: <20240304102540.2789225-2-fei2.wu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240304102540.2789225-1-fei2.wu@intel.com> References: <20240304102540.2789225-1-fei2.wu@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.198.163.15; envelope-from=fei2.wu@intel.com; helo=mgamail.intel.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.589, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The RISC-V Server Platform specification[1] defines a standardized set of hardware and software capabilities, that portable system software, such as OS and hypervisors can rely on being present in a RISC-V server platform. A corresponding Qemu RISC-V server platform reference (rvsp-ref for short) machine type is added to provide a environment for firmware/OS development and testing. The main features included in rvsp-ref are: - Based on riscv virt machine type - A new memory map as close as virt machine as possible - A new virt CPU type rvsp-ref-cpu for server platform compliance - AIA - PCIe AHCI - PCIe NIC - No virtio device - No fw_cfg device - No ACPI table provided - Only minimal device tree nodes [1] https://github.com/riscv-non-isa/riscv-server-platform Signed-off-by: Fei Wu --- configs/devices/riscv64-softmmu/default.mak | 1 + hw/riscv/Kconfig | 13 + hw/riscv/meson.build | 1 + hw/riscv/server_platform_ref.c | 1244 +++++++++++++++++++ 4 files changed, 1259 insertions(+) create mode 100644 hw/riscv/server_platform_ref.c diff --git a/configs/devices/riscv64-softmmu/default.mak b/configs/devices/riscv64-softmmu/default.mak index 3f68059448..a1d98e49ef 100644 --- a/configs/devices/riscv64-softmmu/default.mak +++ b/configs/devices/riscv64-softmmu/default.mak @@ -10,5 +10,6 @@ CONFIG_SPIKE=y CONFIG_SIFIVE_E=y CONFIG_SIFIVE_U=y CONFIG_RISCV_VIRT=y +CONFIG_SERVER_PLATFORM_REF=y CONFIG_MICROCHIP_PFSOC=y CONFIG_SHAKTI_C=y diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig index 5d644eb7b1..debac5a7f5 100644 --- a/hw/riscv/Kconfig +++ b/hw/riscv/Kconfig @@ -48,6 +48,19 @@ config RISCV_VIRT select ACPI select ACPI_PCI +config SERVER_PLATFORM_REF + bool + select RISCV_NUMA + select GOLDFISH_RTC + select PCI + select PCI_EXPRESS_GENERIC_BRIDGE + select PFLASH_CFI01 + select SERIAL + select RISCV_ACLINT + select RISCV_APLIC + select RISCV_IMSIC + select SIFIVE_TEST + config SHAKTI_C bool select RISCV_ACLINT diff --git a/hw/riscv/meson.build b/hw/riscv/meson.build index 2f7ee81be3..bb3aff91ea 100644 --- a/hw/riscv/meson.build +++ b/hw/riscv/meson.build @@ -4,6 +4,7 @@ riscv_ss.add(when: 'CONFIG_RISCV_NUMA', if_true: files('numa.c')) riscv_ss.add(files('riscv_hart.c')) riscv_ss.add(when: 'CONFIG_OPENTITAN', if_true: files('opentitan.c')) riscv_ss.add(when: 'CONFIG_RISCV_VIRT', if_true: files('virt.c')) +riscv_ss.add(when: 'CONFIG_SERVER_PLATFORM_REF', if_true: files('server_platform_ref.c')) riscv_ss.add(when: 'CONFIG_SHAKTI_C', if_true: files('shakti_c.c')) riscv_ss.add(when: 'CONFIG_SIFIVE_E', if_true: files('sifive_e.c')) riscv_ss.add(when: 'CONFIG_SIFIVE_U', if_true: files('sifive_u.c')) diff --git a/hw/riscv/server_platform_ref.c b/hw/riscv/server_platform_ref.c new file mode 100644 index 0000000000..ae90c4b27a --- /dev/null +++ b/hw/riscv/server_platform_ref.c @@ -0,0 +1,1244 @@ +/* + * QEMU RISC-V Server Platfrom (RVSP) Reference Board + * + * Copyright (c) 2024 Intel, Inc. + * + * This board is compliant RISC-V Server platform specification and leveraging + * a lot of riscv virt code. + * + * 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 "qemu/units.h" +#include "qemu/error-report.h" +#include "qemu/guest-random.h" +#include "qapi/error.h" +#include "qapi/qapi-visit-common.h" +#include "hw/boards.h" +#include "hw/loader.h" +#include "hw/sysbus.h" +#include "hw/qdev-properties.h" +#include "hw/char/serial.h" +#include "hw/block/flash.h" +#include "hw/ide/pci.h" +#include "hw/ide/ahci-pci.h" +#include "hw/pci/pci.h" +#include "hw/pci-host/gpex.h" +#include "hw/core/sysbus-fdt.h" +#include "hw/riscv/riscv_hart.h" +#include "hw/riscv/boot.h" +#include "hw/riscv/numa.h" +#include "hw/intc/riscv_aclint.h" +#include "hw/intc/riscv_aplic.h" +#include "hw/intc/riscv_imsic.h" +#include "hw/misc/sifive_test.h" +#include "chardev/char.h" +#include "sysemu/device_tree.h" +#include "sysemu/sysemu.h" +#include "sysemu/tcg.h" +#include "target/riscv/cpu.h" +#include "target/riscv/pmu.h" +#include "net/net.h" + +#define RVSP_CPUS_MAX_BITS 9 +#define RVSP_CPUS_MAX (1 << RVSP_CPUS_MAX_BITS) +#define RVSP_SOCKETS_MAX_BITS 2 +#define RVSP_SOCKETS_MAX (1 << RVSP_SOCKETS_MAX_BITS) + +#define RVSP_IRQCHIP_NUM_MSIS 255 +#define RVSP_IRQCHIP_NUM_SOURCES 96 +#define RVSP_IRQCHIP_NUM_PRIO_BITS 3 +#define RVSP_IRQCHIP_MAX_GUESTS_BITS 3 +#define RVSP_IRQCHIP_MAX_GUESTS ((1U << RVSP_IRQCHIP_MAX_GUESTS_BITS) - 1U) + +#define FDT_PCI_ADDR_CELLS 3 +#define FDT_PCI_INT_CELLS 1 +#define FDT_APLIC_INT_CELLS 2 +#define FDT_IMSIC_INT_CELLS 0 +#define FDT_MAX_INT_CELLS 2 +#define FDT_MAX_INT_MAP_WIDTH (FDT_PCI_ADDR_CELLS + FDT_PCI_INT_CELLS + \ + 1 + FDT_MAX_INT_CELLS) +#define FDT_APLIC_INT_MAP_WIDTH (FDT_PCI_ADDR_CELLS + FDT_PCI_INT_CELLS + \ + 1 + FDT_APLIC_INT_CELLS) + +#define NUM_SATA_PORTS 6 + +#define TYPE_RVSP_REF_MACHINE MACHINE_TYPE_NAME("rvsp-ref") +OBJECT_DECLARE_SIMPLE_TYPE(RVSPMachineState, RVSP_REF_MACHINE) + +struct RVSPMachineState { + /*< private >*/ + MachineState parent; + + /*< public >*/ + Notifier machine_done; + RISCVHartArrayState soc[RVSP_SOCKETS_MAX]; + DeviceState *irqchip[RVSP_SOCKETS_MAX]; + PFlashCFI01 *flash[2]; + + int fdt_size; + int aia_guests; + const MemMapEntry *memmap; +}; + +enum { + RVSP_DEBUG, + RVSP_MROM, + RVSP_TEST, + RVSP_RTC, + RVSP_ACLINT, + RVSP_APLIC_M, + RVSP_APLIC_S, + RVSP_UART0, + RVSP_IMSIC_M, + RVSP_IMSIC_S, + RVSP_FLASH, + RVSP_DRAM, + RVSP_PCIE_MMIO, + RVSP_PCIE_PIO, + RVSP_PCIE_ECAM, + RVSP_PCIE_MMIO_HIGH +}; + +enum { + RVSP_UART0_IRQ = 10, + RVSP_RTC_IRQ = 11, + RVSP_PCIE_IRQ = 0x20, /* 32 to 35 */ +}; + +/* + * The server soc reference machine physical address space used by some of the + * devices namely ACLINT, APLIC and IMSIC depend on number of Sockets, number + * of CPUs, and number of IMSIC guest files. + * + * Various limits defined by RVSP_SOCKETS_MAX_BITS, RVSP_CPUS_MAX_BITS, and + * RVSP_IRQCHIP_MAX_GUESTS_BITS are tuned for maximum utilization of server soc + * reference machine physical address space. + */ + +#define RVSP_IMSIC_GROUP_MAX_SIZE (1U << IMSIC_MMIO_GROUP_MIN_SHIFT) +#if RVSP_IMSIC_GROUP_MAX_SIZE < \ + IMSIC_GROUP_SIZE(RVSP_CPUS_MAX_BITS, RVSP_IRQCHIP_MAX_GUESTS_BITS) +#error "Can't accomodate single IMSIC group in address space" +#endif + +#define RVSP_IMSIC_MAX_SIZE (RVSP_SOCKETS_MAX * \ + RVSP_IMSIC_GROUP_MAX_SIZE) +#if 0x4000000 < RVSP_IMSIC_MAX_SIZE +#error "Can't accomodate all IMSIC groups in address space" +#endif + +static const MemMapEntry rvsp_ref_memmap[] = { + [RVSP_DEBUG] = { 0x0, 0x100 }, + [RVSP_MROM] = { 0x1000, 0xf000 }, + [RVSP_TEST] = { 0x100000, 0x1000 }, + [RVSP_RTC] = { 0x101000, 0x1000 }, + [RVSP_ACLINT] = { 0x2000000, 0x10000 }, + [RVSP_PCIE_PIO] = { 0x3000000, 0x10000 }, + [RVSP_APLIC_M] = { 0xc000000, APLIC_SIZE(RVSP_CPUS_MAX) }, + [RVSP_APLIC_S] = { 0xd000000, APLIC_SIZE(RVSP_CPUS_MAX) }, + [RVSP_UART0] = { 0x10000000, 0x100 }, + [RVSP_FLASH] = { 0x20000000, 0x4000000 }, + [RVSP_IMSIC_M] = { 0x24000000, RVSP_IMSIC_MAX_SIZE }, + [RVSP_IMSIC_S] = { 0x28000000, RVSP_IMSIC_MAX_SIZE }, + [RVSP_PCIE_ECAM] = { 0x30000000, 0x10000000 }, + [RVSP_PCIE_MMIO] = { 0x40000000, 0x40000000 }, + [RVSP_DRAM] = { 0x80000000, 0xff80000000ull }, + [RVSP_PCIE_MMIO_HIGH] = { 0x10000000000ull, 0x10000000000ull }, +}; + +#define RVSP_FLASH_SECTOR_SIZE (256 * KiB) + +static PFlashCFI01 *rvsp_flash_create1(RVSPMachineState *s, + const char *name, + const char *alias_prop_name) +{ + /* + * Create a single flash device. We use the same parameters as + * the flash devices on the ARM virt board. + */ + DeviceState *dev = qdev_new(TYPE_PFLASH_CFI01); + + qdev_prop_set_uint64(dev, "sector-length", RVSP_FLASH_SECTOR_SIZE); + qdev_prop_set_uint8(dev, "width", 4); + qdev_prop_set_uint8(dev, "device-width", 2); + qdev_prop_set_bit(dev, "big-endian", false); + qdev_prop_set_uint16(dev, "id0", 0x89); + qdev_prop_set_uint16(dev, "id1", 0x18); + qdev_prop_set_uint16(dev, "id2", 0x00); + qdev_prop_set_uint16(dev, "id3", 0x00); + qdev_prop_set_string(dev, "name", name); + + object_property_add_child(OBJECT(s), name, OBJECT(dev)); + object_property_add_alias(OBJECT(s), alias_prop_name, + OBJECT(dev), "drive"); + + return PFLASH_CFI01(dev); +} + +static void rvsp_flash_create(RVSPMachineState *s) +{ + s->flash[0] = rvsp_flash_create1(s, "rvsp.flash0", "pflash0"); + s->flash[1] = rvsp_flash_create1(s, "rvsp.flash1", "pflash1"); +} + +static void rvsp_flash_map1(PFlashCFI01 *flash, + hwaddr base, hwaddr size, + MemoryRegion *sysmem) +{ + DeviceState *dev = DEVICE(flash); + + assert(QEMU_IS_ALIGNED(size, RVSP_FLASH_SECTOR_SIZE)); + assert(size / RVSP_FLASH_SECTOR_SIZE <= UINT32_MAX); + qdev_prop_set_uint32(dev, "num-blocks", size / RVSP_FLASH_SECTOR_SIZE); + sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); + + memory_region_add_subregion(sysmem, base, + sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), + 0)); +} + +static void rvsp_flash_map(RVSPMachineState *s, + MemoryRegion *sysmem) +{ + hwaddr flashsize = rvsp_ref_memmap[RVSP_FLASH].size / 2; + hwaddr flashbase = rvsp_ref_memmap[RVSP_FLASH].base; + + rvsp_flash_map1(s->flash[0], flashbase, flashsize, sysmem); + rvsp_flash_map1(s->flash[1], flashbase + flashsize, flashsize, sysmem); +} + +static void create_pcie_irq_map(RVSPMachineState *s, void *fdt, char *nodename, + uint32_t irqchip_phandle) +{ + int pin, dev; + uint32_t irq_map_stride = 0; + uint32_t full_irq_map[GPEX_NUM_IRQS * GPEX_NUM_IRQS * + FDT_MAX_INT_MAP_WIDTH] = {}; + uint32_t *irq_map = full_irq_map; + + /* + * This code creates a standard swizzle of interrupts such that + * each device's first interrupt is based on it's PCI_SLOT number. + * (See pci_swizzle_map_irq_fn()) + * + * We only need one entry per interrupt in the table (not one per + * possible slot) seeing the interrupt-map-mask will allow the table + * to wrap to any number of devices. + */ + for (dev = 0; dev < GPEX_NUM_IRQS; dev++) { + int devfn = dev * 0x8; + + for (pin = 0; pin < GPEX_NUM_IRQS; pin++) { + int irq_nr = RVSP_PCIE_IRQ + + ((pin + PCI_SLOT(devfn)) % GPEX_NUM_IRQS); + int i = 0; + + /* Fill PCI address cells */ + irq_map[i] = cpu_to_be32(devfn << 8); + i += FDT_PCI_ADDR_CELLS; + + /* Fill PCI Interrupt cells */ + irq_map[i] = cpu_to_be32(pin + 1); + i += FDT_PCI_INT_CELLS; + + /* Fill interrupt controller phandle and cells */ + irq_map[i++] = cpu_to_be32(irqchip_phandle); + irq_map[i++] = cpu_to_be32(irq_nr); + irq_map[i++] = cpu_to_be32(0x4); + + if (!irq_map_stride) { + irq_map_stride = i; + } + irq_map += irq_map_stride; + } + } + + qemu_fdt_setprop(fdt, nodename, "interrupt-map", full_irq_map, + GPEX_NUM_IRQS * GPEX_NUM_IRQS * + irq_map_stride * sizeof(uint32_t)); + + qemu_fdt_setprop_cells(fdt, nodename, "interrupt-map-mask", + 0x1800, 0, 0, 0x7); +} + +static void create_fdt_socket_cpus(RVSPMachineState *s, int socket, + char *clust_name, uint32_t *phandle, + uint32_t *intc_phandles) +{ + int cpu; + uint32_t cpu_phandle; + MachineState *ms = MACHINE(s); + char *name, *cpu_name, *core_name, *intc_name, *sv_name; + bool is_32_bit = riscv_is_32bit(&s->soc[0]); + uint8_t satp_mode_max; + + for (cpu = s->soc[socket].num_harts - 1; cpu >= 0; cpu--) { + RISCVCPU *cpu_ptr = &s->soc[socket].harts[cpu]; + + cpu_phandle = (*phandle)++; + + cpu_name = g_strdup_printf("/cpus/cpu@%d", + s->soc[socket].hartid_base + cpu); + qemu_fdt_add_subnode(ms->fdt, cpu_name); + + if (cpu_ptr->cfg.satp_mode.supported != 0) { + satp_mode_max = satp_mode_max_from_map(cpu_ptr->cfg.satp_mode.map); + sv_name = g_strdup_printf("riscv,%s", + satp_mode_str(satp_mode_max, is_32_bit)); + qemu_fdt_setprop_string(ms->fdt, cpu_name, "mmu-type", sv_name); + g_free(sv_name); + } + + name = riscv_isa_string(cpu_ptr); + qemu_fdt_setprop_string(ms->fdt, cpu_name, "riscv,isa", name); + g_free(name); + + if (cpu_ptr->cfg.ext_zicbom) { + qemu_fdt_setprop_cell(ms->fdt, cpu_name, "riscv,cbom-block-size", + cpu_ptr->cfg.cbom_blocksize); + } + + if (cpu_ptr->cfg.ext_zicboz) { + qemu_fdt_setprop_cell(ms->fdt, cpu_name, "riscv,cboz-block-size", + cpu_ptr->cfg.cboz_blocksize); + } + + qemu_fdt_setprop_string(ms->fdt, cpu_name, "compatible", "riscv"); + qemu_fdt_setprop_string(ms->fdt, cpu_name, "status", "okay"); + qemu_fdt_setprop_cell(ms->fdt, cpu_name, "reg", + s->soc[socket].hartid_base + cpu); + qemu_fdt_setprop_string(ms->fdt, cpu_name, "device_type", "cpu"); + riscv_socket_fdt_write_id(ms, cpu_name, socket); + qemu_fdt_setprop_cell(ms->fdt, cpu_name, "phandle", cpu_phandle); + + intc_phandles[cpu] = (*phandle)++; + + intc_name = g_strdup_printf("%s/interrupt-controller", cpu_name); + qemu_fdt_add_subnode(ms->fdt, intc_name); + qemu_fdt_setprop_cell(ms->fdt, intc_name, "phandle", + intc_phandles[cpu]); + qemu_fdt_setprop_string(ms->fdt, intc_name, "compatible", + "riscv,cpu-intc"); + qemu_fdt_setprop(ms->fdt, intc_name, "interrupt-controller", NULL, 0); + qemu_fdt_setprop_cell(ms->fdt, intc_name, "#interrupt-cells", 1); + + core_name = g_strdup_printf("%s/core%d", clust_name, cpu); + qemu_fdt_add_subnode(ms->fdt, core_name); + qemu_fdt_setprop_cell(ms->fdt, core_name, "cpu", cpu_phandle); + + g_free(core_name); + g_free(intc_name); + g_free(cpu_name); + } +} + +static void create_fdt_socket_memory(RVSPMachineState *s, + const MemMapEntry *memmap, int socket) +{ + char *mem_name; + uint64_t addr, size; + MachineState *ms = MACHINE(s); + + addr = memmap[RVSP_DRAM].base + riscv_socket_mem_offset(ms, socket); + size = riscv_socket_mem_size(ms, socket); + mem_name = g_strdup_printf("/memory@%lx", (long)addr); + qemu_fdt_add_subnode(ms->fdt, mem_name); + qemu_fdt_setprop_cells(ms->fdt, mem_name, "reg", + addr >> 32, addr, size >> 32, size); + qemu_fdt_setprop_string(ms->fdt, mem_name, "device_type", "memory"); + riscv_socket_fdt_write_id(ms, mem_name, socket); + g_free(mem_name); +} + +static void create_fdt_socket_aclint(RVSPMachineState *s, + const MemMapEntry *memmap, int socket, + uint32_t *intc_phandles) +{ + int cpu; + char *name; + unsigned long addr, size; + uint32_t aclint_cells_size; + uint32_t *aclint_mtimer_cells; + MachineState *ms = MACHINE(s); + + aclint_mtimer_cells = g_new0(uint32_t, s->soc[socket].num_harts * 2); + + for (cpu = 0; cpu < s->soc[socket].num_harts; cpu++) { + aclint_mtimer_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]); + aclint_mtimer_cells[cpu * 2 + 1] = cpu_to_be32(IRQ_M_TIMER); + } + aclint_cells_size = s->soc[socket].num_harts * sizeof(uint32_t) * 2; + + addr = memmap[RVSP_ACLINT].base + + (RISCV_ACLINT_DEFAULT_MTIMER_SIZE * socket); + size = RISCV_ACLINT_DEFAULT_MTIMER_SIZE; + + name = g_strdup_printf("/soc/mtimer@%lx", addr); + qemu_fdt_add_subnode(ms->fdt, name); + qemu_fdt_setprop_string(ms->fdt, name, "compatible", + "riscv,aclint-mtimer"); + qemu_fdt_setprop_cells(ms->fdt, name, "reg", + 0x0, addr + RISCV_ACLINT_DEFAULT_MTIME, + 0x0, size - RISCV_ACLINT_DEFAULT_MTIME, + 0x0, addr + RISCV_ACLINT_DEFAULT_MTIMECMP, + 0x0, RISCV_ACLINT_DEFAULT_MTIME); + qemu_fdt_setprop(ms->fdt, name, "interrupts-extended", + aclint_mtimer_cells, aclint_cells_size); + riscv_socket_fdt_write_id(ms, name, socket); + g_free(name); + + g_free(aclint_mtimer_cells); +} + +static uint32_t imsic_num_bits(uint32_t count) +{ + uint32_t ret = 0; + + while (BIT(ret) < count) { + ret++; + } + + return ret; +} + +static void create_fdt_one_imsic(RVSPMachineState *s, hwaddr base_addr, + uint32_t *intc_phandles, uint32_t msi_phandle, + bool m_mode, uint32_t imsic_guest_bits) +{ + int cpu, socket; + char *imsic_name; + MachineState *ms = MACHINE(s); + int socket_count = riscv_socket_count(ms); + uint32_t imsic_max_hart_per_socket; + uint32_t *imsic_cells, *imsic_regs, imsic_addr, imsic_size; + + imsic_cells = g_new0(uint32_t, ms->smp.cpus * 2); + imsic_regs = g_new0(uint32_t, socket_count * 4); + + for (cpu = 0; cpu < ms->smp.cpus; cpu++) { + imsic_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]); + imsic_cells[cpu * 2 + 1] = cpu_to_be32(m_mode ? IRQ_M_EXT : IRQ_S_EXT); + } + + imsic_max_hart_per_socket = 0; + for (socket = 0; socket < socket_count; socket++) { + imsic_addr = base_addr + socket * RVSP_IMSIC_GROUP_MAX_SIZE; + imsic_size = IMSIC_HART_SIZE(imsic_guest_bits) * + s->soc[socket].num_harts; + imsic_regs[socket * 4 + 0] = 0; + imsic_regs[socket * 4 + 1] = cpu_to_be32(imsic_addr); + imsic_regs[socket * 4 + 2] = 0; + imsic_regs[socket * 4 + 3] = cpu_to_be32(imsic_size); + if (imsic_max_hart_per_socket < s->soc[socket].num_harts) { + imsic_max_hart_per_socket = s->soc[socket].num_harts; + } + } + + imsic_name = g_strdup_printf("/soc/imsics@%lx", (unsigned long)base_addr); + qemu_fdt_add_subnode(ms->fdt, imsic_name); + qemu_fdt_setprop_string(ms->fdt, imsic_name, "compatible", "riscv,imsics"); + qemu_fdt_setprop_cell(ms->fdt, imsic_name, "#interrupt-cells", + FDT_IMSIC_INT_CELLS); + qemu_fdt_setprop(ms->fdt, imsic_name, "interrupt-controller", NULL, 0); + qemu_fdt_setprop(ms->fdt, imsic_name, "msi-controller", NULL, 0); + qemu_fdt_setprop(ms->fdt, imsic_name, "interrupts-extended", + imsic_cells, ms->smp.cpus * sizeof(uint32_t) * 2); + qemu_fdt_setprop(ms->fdt, imsic_name, "reg", imsic_regs, + socket_count * sizeof(uint32_t) * 4); + qemu_fdt_setprop_cell(ms->fdt, imsic_name, "riscv,num-ids", + RVSP_IRQCHIP_NUM_MSIS); + + if (imsic_guest_bits) { + qemu_fdt_setprop_cell(ms->fdt, imsic_name, "riscv,guest-index-bits", + imsic_guest_bits); + } + + if (socket_count > 1) { + qemu_fdt_setprop_cell(ms->fdt, imsic_name, "riscv,hart-index-bits", + imsic_num_bits(imsic_max_hart_per_socket)); + qemu_fdt_setprop_cell(ms->fdt, imsic_name, "riscv,group-index-bits", + imsic_num_bits(socket_count)); + qemu_fdt_setprop_cell(ms->fdt, imsic_name, "riscv,group-index-shift", + IMSIC_MMIO_GROUP_MIN_SHIFT); + } + qemu_fdt_setprop_cell(ms->fdt, imsic_name, "phandle", msi_phandle); + + g_free(imsic_name); + g_free(imsic_regs); + g_free(imsic_cells); +} + +static void create_fdt_imsic(RVSPMachineState *s, const MemMapEntry *memmap, + uint32_t *phandle, uint32_t *intc_phandles, + uint32_t *msi_m_phandle, uint32_t *msi_s_phandle) +{ + *msi_m_phandle = (*phandle)++; + *msi_s_phandle = (*phandle)++; + + /* M-level IMSIC node */ + create_fdt_one_imsic(s, memmap[RVSP_IMSIC_M].base, intc_phandles, + *msi_m_phandle, true, 0); + + /* S-level IMSIC node */ + create_fdt_one_imsic(s, memmap[RVSP_IMSIC_S].base, intc_phandles, + *msi_s_phandle, false, + imsic_num_bits(s->aia_guests + 1)); + +} + +static void create_fdt_one_aplic(RVSPMachineState *s, int socket, + unsigned long aplic_addr, uint32_t aplic_size, + uint32_t msi_phandle, + uint32_t *intc_phandles, + uint32_t aplic_phandle, + uint32_t aplic_child_phandle, + bool m_mode, int num_harts) +{ + int cpu; + char *aplic_name; + uint32_t *aplic_cells; + MachineState *ms = MACHINE(s); + + aplic_cells = g_new0(uint32_t, num_harts * 2); + + for (cpu = 0; cpu < num_harts; cpu++) { + aplic_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]); + aplic_cells[cpu * 2 + 1] = cpu_to_be32(m_mode ? IRQ_M_EXT : IRQ_S_EXT); + } + + aplic_name = g_strdup_printf("/soc/aplic@%lx", aplic_addr); + qemu_fdt_add_subnode(ms->fdt, aplic_name); + qemu_fdt_setprop_string(ms->fdt, aplic_name, "compatible", "riscv,aplic"); + qemu_fdt_setprop_cell(ms->fdt, aplic_name, + "#interrupt-cells", FDT_APLIC_INT_CELLS); + qemu_fdt_setprop(ms->fdt, aplic_name, "interrupt-controller", NULL, 0); + + qemu_fdt_setprop_cell(ms->fdt, aplic_name, "msi-parent", msi_phandle); + + qemu_fdt_setprop_cells(ms->fdt, aplic_name, "reg", + 0x0, aplic_addr, 0x0, aplic_size); + qemu_fdt_setprop_cell(ms->fdt, aplic_name, "riscv,num-sources", + RVSP_IRQCHIP_NUM_SOURCES); + + if (aplic_child_phandle) { + qemu_fdt_setprop_cell(ms->fdt, aplic_name, "riscv,children", + aplic_child_phandle); + qemu_fdt_setprop_cells(ms->fdt, aplic_name, "riscv,delegate", + aplic_child_phandle, 0x1, + RVSP_IRQCHIP_NUM_SOURCES); + } + + riscv_socket_fdt_write_id(ms, aplic_name, socket); + qemu_fdt_setprop_cell(ms->fdt, aplic_name, "phandle", aplic_phandle); + + g_free(aplic_name); + g_free(aplic_cells); +} + +static void create_fdt_socket_aplic(RVSPMachineState *s, + const MemMapEntry *memmap, int socket, + uint32_t msi_m_phandle, + uint32_t msi_s_phandle, + uint32_t *phandle, + uint32_t *intc_phandles, + uint32_t *aplic_phandles, + int num_harts) +{ + char *aplic_name; + unsigned long aplic_addr; + uint32_t aplic_m_phandle, aplic_s_phandle; + + aplic_m_phandle = (*phandle)++; + aplic_s_phandle = (*phandle)++; + + /* M-level APLIC node */ + aplic_addr = memmap[RVSP_APLIC_M].base + + (memmap[RVSP_APLIC_M].size * socket); + create_fdt_one_aplic(s, socket, aplic_addr, memmap[RVSP_APLIC_M].size, + msi_m_phandle, intc_phandles, + aplic_m_phandle, aplic_s_phandle, + true, num_harts); + + /* S-level APLIC node */ + aplic_addr = memmap[RVSP_APLIC_S].base + + (memmap[RVSP_APLIC_S].size * socket); + create_fdt_one_aplic(s, socket, aplic_addr, memmap[RVSP_APLIC_S].size, + msi_s_phandle, intc_phandles, + aplic_s_phandle, 0, + false, num_harts); + + aplic_name = g_strdup_printf("/soc/aplic@%lx", aplic_addr); + + g_free(aplic_name); + + aplic_phandles[socket] = aplic_s_phandle; +} + +static void create_fdt_pmu(RVSPMachineState *s) +{ + char *pmu_name; + MachineState *ms = MACHINE(s); + RISCVCPU hart = s->soc[0].harts[0]; + + pmu_name = g_strdup_printf("/pmu"); + qemu_fdt_add_subnode(ms->fdt, pmu_name); + qemu_fdt_setprop_string(ms->fdt, pmu_name, "compatible", "riscv,pmu"); + riscv_pmu_generate_fdt_node(ms->fdt, hart.pmu_avail_ctrs, pmu_name); + + g_free(pmu_name); +} + +static void create_fdt_sockets(RVSPMachineState *s, const MemMapEntry *memmap, + uint32_t *phandle, + uint32_t *irq_mmio_phandle, + uint32_t *irq_pcie_phandle, + uint32_t *msi_pcie_phandle) +{ + char *clust_name; + int socket, phandle_pos; + MachineState *ms = MACHINE(s); + uint32_t msi_m_phandle = 0, msi_s_phandle = 0; + uint32_t *intc_phandles, xplic_phandles[MAX_NODES]; + int socket_count = riscv_socket_count(ms); + + qemu_fdt_add_subnode(ms->fdt, "/cpus"); + qemu_fdt_setprop_cell(ms->fdt, "/cpus", "timebase-frequency", + RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ); + qemu_fdt_setprop_cell(ms->fdt, "/cpus", "#size-cells", 0x0); + qemu_fdt_setprop_cell(ms->fdt, "/cpus", "#address-cells", 0x1); + qemu_fdt_add_subnode(ms->fdt, "/cpus/cpu-map"); + + intc_phandles = g_new0(uint32_t, ms->smp.cpus); + + phandle_pos = ms->smp.cpus; + for (socket = (socket_count - 1); socket >= 0; socket--) { + phandle_pos -= s->soc[socket].num_harts; + + clust_name = g_strdup_printf("/cpus/cpu-map/cluster%d", socket); + qemu_fdt_add_subnode(ms->fdt, clust_name); + + create_fdt_socket_cpus(s, socket, clust_name, phandle, + &intc_phandles[phandle_pos]); + + create_fdt_socket_memory(s, memmap, socket); + + g_free(clust_name); + + create_fdt_socket_aclint(s, memmap, socket, + &intc_phandles[phandle_pos]); + } + + create_fdt_imsic(s, memmap, phandle, intc_phandles, + &msi_m_phandle, &msi_s_phandle); + *msi_pcie_phandle = msi_s_phandle; + + phandle_pos = ms->smp.cpus; + for (socket = (socket_count - 1); socket >= 0; socket--) { + phandle_pos -= s->soc[socket].num_harts; + + create_fdt_socket_aplic(s, memmap, socket, + msi_m_phandle, msi_s_phandle, phandle, + &intc_phandles[phandle_pos], + xplic_phandles, + s->soc[socket].num_harts); + } + + g_free(intc_phandles); + + for (socket = 0; socket < socket_count; socket++) { + if (socket == 0) { + *irq_mmio_phandle = xplic_phandles[socket]; + *irq_pcie_phandle = xplic_phandles[socket]; + } + if (socket == 1) { + *irq_pcie_phandle = xplic_phandles[socket]; + } + } + + riscv_socket_fdt_write_distance_matrix(ms); +} + +static void create_fdt_pcie(RVSPMachineState *s, const MemMapEntry *memmap, + uint32_t irq_pcie_phandle, + uint32_t msi_pcie_phandle) +{ + char *name; + MachineState *ms = MACHINE(s); + + name = g_strdup_printf("/soc/pci@%lx", + (long) memmap[RVSP_PCIE_ECAM].base); + qemu_fdt_add_subnode(ms->fdt, name); + qemu_fdt_setprop_cell(ms->fdt, name, "#address-cells", + FDT_PCI_ADDR_CELLS); + qemu_fdt_setprop_cell(ms->fdt, name, "#interrupt-cells", + FDT_PCI_INT_CELLS); + qemu_fdt_setprop_cell(ms->fdt, name, "#size-cells", 0x2); + qemu_fdt_setprop_string(ms->fdt, name, "compatible", + "pci-host-ecam-generic"); + qemu_fdt_setprop_string(ms->fdt, name, "device_type", "pci"); + qemu_fdt_setprop_cell(ms->fdt, name, "linux,pci-domain", 0); + qemu_fdt_setprop_cells(ms->fdt, name, "bus-range", 0, + memmap[RVSP_PCIE_ECAM].size / PCIE_MMCFG_SIZE_MIN - 1); + qemu_fdt_setprop(ms->fdt, name, "dma-coherent", NULL, 0); + qemu_fdt_setprop_cell(ms->fdt, name, "msi-parent", msi_pcie_phandle); + qemu_fdt_setprop_cells(ms->fdt, name, "reg", 0, + memmap[RVSP_PCIE_ECAM].base, 0, memmap[RVSP_PCIE_ECAM].size); + qemu_fdt_setprop_sized_cells(ms->fdt, name, "ranges", + 1, FDT_PCI_RANGE_IOPORT, 2, 0, + 2, memmap[RVSP_PCIE_PIO].base, 2, memmap[RVSP_PCIE_PIO].size, + 1, FDT_PCI_RANGE_MMIO, + 2, memmap[RVSP_PCIE_MMIO].base, + 2, memmap[RVSP_PCIE_MMIO].base, 2, memmap[RVSP_PCIE_MMIO].size, + 1, FDT_PCI_RANGE_MMIO_64BIT, + 2, memmap[RVSP_PCIE_MMIO_HIGH].base, + 2, memmap[RVSP_PCIE_MMIO_HIGH].base, 2, + memmap[RVSP_PCIE_MMIO_HIGH].size); + + create_pcie_irq_map(s, ms->fdt, name, irq_pcie_phandle); + g_free(name); +} + +static void create_fdt_reset(RVSPMachineState *s, const MemMapEntry *memmap, + uint32_t *phandle) +{ + char *name; + uint32_t test_phandle; + MachineState *ms = MACHINE(s); + + test_phandle = (*phandle)++; + name = g_strdup_printf("/soc/test@%lx", + (long)memmap[RVSP_TEST].base); + qemu_fdt_add_subnode(ms->fdt, name); + { + static const char * const compat[3] = { + "sifive,test1", "sifive,test0", "syscon" + }; + qemu_fdt_setprop_string_array(ms->fdt, name, "compatible", + (char **)&compat, ARRAY_SIZE(compat)); + } + qemu_fdt_setprop_cells(ms->fdt, name, "reg", + 0x0, memmap[RVSP_TEST].base, 0x0, memmap[RVSP_TEST].size); + qemu_fdt_setprop_cell(ms->fdt, name, "phandle", test_phandle); + test_phandle = qemu_fdt_get_phandle(ms->fdt, name); + g_free(name); + + name = g_strdup_printf("/reboot"); + qemu_fdt_add_subnode(ms->fdt, name); + qemu_fdt_setprop_string(ms->fdt, name, "compatible", "syscon-reboot"); + qemu_fdt_setprop_cell(ms->fdt, name, "regmap", test_phandle); + qemu_fdt_setprop_cell(ms->fdt, name, "offset", 0x0); + qemu_fdt_setprop_cell(ms->fdt, name, "value", FINISHER_RESET); + g_free(name); + + name = g_strdup_printf("/poweroff"); + qemu_fdt_add_subnode(ms->fdt, name); + qemu_fdt_setprop_string(ms->fdt, name, "compatible", "syscon-poweroff"); + qemu_fdt_setprop_cell(ms->fdt, name, "regmap", test_phandle); + qemu_fdt_setprop_cell(ms->fdt, name, "offset", 0x0); + qemu_fdt_setprop_cell(ms->fdt, name, "value", FINISHER_PASS); + g_free(name); +} + +static void create_fdt_uart(RVSPMachineState *s, const MemMapEntry *memmap, + uint32_t irq_mmio_phandle) +{ + char *name; + MachineState *ms = MACHINE(s); + + name = g_strdup_printf("/soc/serial@%lx", (long)memmap[RVSP_UART0].base); + qemu_fdt_add_subnode(ms->fdt, name); + qemu_fdt_setprop_string(ms->fdt, name, "compatible", "ns16550a"); + qemu_fdt_setprop_cells(ms->fdt, name, "reg", + 0x0, memmap[RVSP_UART0].base, + 0x0, memmap[RVSP_UART0].size); + qemu_fdt_setprop_cell(ms->fdt, name, "clock-frequency", 3686400); + qemu_fdt_setprop_cell(ms->fdt, name, "interrupt-parent", irq_mmio_phandle); + qemu_fdt_setprop_cells(ms->fdt, name, "interrupts", RVSP_UART0_IRQ, 0x4); + + qemu_fdt_add_subnode(ms->fdt, "/chosen"); + qemu_fdt_setprop_string(ms->fdt, "/chosen", "stdout-path", name); + g_free(name); +} + +static void create_fdt_rtc(RVSPMachineState *s, const MemMapEntry *memmap, + uint32_t irq_mmio_phandle) +{ + char *name; + MachineState *ms = MACHINE(s); + + name = g_strdup_printf("/soc/rtc@%lx", (long)memmap[RVSP_RTC].base); + qemu_fdt_add_subnode(ms->fdt, name); + qemu_fdt_setprop_string(ms->fdt, name, "compatible", + "google,goldfish-rtc"); + qemu_fdt_setprop_cells(ms->fdt, name, "reg", + 0x0, memmap[RVSP_RTC].base, 0x0, memmap[RVSP_RTC].size); + qemu_fdt_setprop_cell(ms->fdt, name, "interrupt-parent", + irq_mmio_phandle); + qemu_fdt_setprop_cells(ms->fdt, name, "interrupts", RVSP_RTC_IRQ, 0x4); + g_free(name); +} + +static void create_fdt_flash(RVSPMachineState *s, const MemMapEntry *memmap) +{ + char *name; + MachineState *ms = MACHINE(s); + hwaddr flashsize = rvsp_ref_memmap[RVSP_FLASH].size / 2; + hwaddr flashbase = rvsp_ref_memmap[RVSP_FLASH].base; + + name = g_strdup_printf("/flash@%" PRIx64, flashbase); + qemu_fdt_add_subnode(ms->fdt, name); + qemu_fdt_setprop_string(ms->fdt, name, "compatible", "cfi-flash"); + qemu_fdt_setprop_sized_cells(ms->fdt, name, "reg", + 2, flashbase, 2, flashsize, + 2, flashbase + flashsize, 2, flashsize); + qemu_fdt_setprop_cell(ms->fdt, name, "bank-width", 4); + g_free(name); +} + +static void create_fdt(RVSPMachineState *s, const MemMapEntry *memmap) +{ + MachineState *ms = MACHINE(s); + uint32_t phandle = 1, irq_mmio_phandle = 1, msi_pcie_phandle = 1; + uint32_t irq_pcie_phandle = 1; + uint8_t rng_seed[32]; + + ms->fdt = create_device_tree(&s->fdt_size); + if (!ms->fdt) { + error_report("create_device_tree() failed"); + exit(1); + } + + qemu_fdt_setprop_string(ms->fdt, "/", "model", "riscv-rvsp-ref,qemu"); + qemu_fdt_setprop_string(ms->fdt, "/", "compatible", "riscv-rvsp-ref"); + qemu_fdt_setprop_cell(ms->fdt, "/", "#size-cells", 0x2); + qemu_fdt_setprop_cell(ms->fdt, "/", "#address-cells", 0x2); + + qemu_fdt_add_subnode(ms->fdt, "/soc"); + qemu_fdt_setprop(ms->fdt, "/soc", "ranges", NULL, 0); + qemu_fdt_setprop_string(ms->fdt, "/soc", "compatible", "simple-bus"); + qemu_fdt_setprop_cell(ms->fdt, "/soc", "#size-cells", 0x2); + qemu_fdt_setprop_cell(ms->fdt, "/soc", "#address-cells", 0x2); + + create_fdt_sockets(s, memmap, &phandle, &irq_mmio_phandle, + &irq_pcie_phandle, &msi_pcie_phandle); + + create_fdt_pcie(s, memmap, irq_pcie_phandle, msi_pcie_phandle); + + create_fdt_reset(s, memmap, &phandle); + + create_fdt_uart(s, memmap, irq_mmio_phandle); + + create_fdt_rtc(s, memmap, irq_mmio_phandle); + + create_fdt_flash(s, memmap); + create_fdt_pmu(s); + + /* Pass seed to RNG */ + qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed)); + qemu_fdt_setprop(ms->fdt, "/chosen", "rng-seed", + rng_seed, sizeof(rng_seed)); +} + +static inline DeviceState *gpex_pcie_init(MemoryRegion *sys_mem, + DeviceState *irqchip, + RVSPMachineState *s) +{ + DeviceState *dev; + PCIHostState *pci; + PCIDevice *pdev_ahci; + AHCIPCIState *ich9; + DriveInfo *hd[NUM_SATA_PORTS]; + MemoryRegion *ecam_alias, *ecam_reg; + MemoryRegion *mmio_alias, *high_mmio_alias, *mmio_reg; + hwaddr ecam_base = rvsp_ref_memmap[RVSP_PCIE_ECAM].base; + hwaddr ecam_size = rvsp_ref_memmap[RVSP_PCIE_ECAM].size; + hwaddr mmio_base = rvsp_ref_memmap[RVSP_PCIE_MMIO].base; + hwaddr mmio_size = rvsp_ref_memmap[RVSP_PCIE_MMIO].size; + hwaddr high_mmio_base = rvsp_ref_memmap[RVSP_PCIE_MMIO_HIGH].base; + hwaddr high_mmio_size = rvsp_ref_memmap[RVSP_PCIE_MMIO_HIGH].size; + hwaddr pio_base = rvsp_ref_memmap[RVSP_PCIE_PIO].base; + hwaddr pio_size = rvsp_ref_memmap[RVSP_PCIE_PIO].size; + MachineClass *mc = MACHINE_GET_CLASS(s); + qemu_irq irq; + int i; + + dev = qdev_new(TYPE_GPEX_HOST); + + /* Set GPEX object properties for the rvsp ref machine */ + object_property_set_uint(OBJECT(GPEX_HOST(dev)), PCI_HOST_ECAM_BASE, + ecam_base, NULL); + object_property_set_int(OBJECT(GPEX_HOST(dev)), PCI_HOST_ECAM_SIZE, + ecam_size, NULL); + object_property_set_uint(OBJECT(GPEX_HOST(dev)), + PCI_HOST_BELOW_4G_MMIO_BASE, + mmio_base, NULL); + object_property_set_int(OBJECT(GPEX_HOST(dev)), PCI_HOST_BELOW_4G_MMIO_SIZE, + mmio_size, NULL); + object_property_set_uint(OBJECT(GPEX_HOST(dev)), + PCI_HOST_ABOVE_4G_MMIO_BASE, + high_mmio_base, NULL); + object_property_set_int(OBJECT(GPEX_HOST(dev)), PCI_HOST_ABOVE_4G_MMIO_SIZE, + high_mmio_size, NULL); + object_property_set_uint(OBJECT(GPEX_HOST(dev)), PCI_HOST_PIO_BASE, + pio_base, NULL); + object_property_set_int(OBJECT(GPEX_HOST(dev)), PCI_HOST_PIO_SIZE, + pio_size, NULL); + + sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); + + ecam_alias = g_new0(MemoryRegion, 1); + ecam_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); + memory_region_init_alias(ecam_alias, OBJECT(dev), "pcie-ecam", + ecam_reg, 0, ecam_size); + memory_region_add_subregion(get_system_memory(), ecam_base, ecam_alias); + + mmio_alias = g_new0(MemoryRegion, 1); + mmio_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1); + memory_region_init_alias(mmio_alias, OBJECT(dev), "pcie-mmio", + mmio_reg, mmio_base, mmio_size); + memory_region_add_subregion(get_system_memory(), mmio_base, mmio_alias); + + /* Map high MMIO space */ + high_mmio_alias = g_new0(MemoryRegion, 1); + memory_region_init_alias(high_mmio_alias, OBJECT(dev), "pcie-mmio-high", + mmio_reg, high_mmio_base, high_mmio_size); + memory_region_add_subregion(get_system_memory(), high_mmio_base, + high_mmio_alias); + + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, pio_base); + + for (i = 0; i < GPEX_NUM_IRQS; i++) { + irq = qdev_get_gpio_in(irqchip, RVSP_PCIE_IRQ + i); + + sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, irq); + gpex_set_irq_num(GPEX_HOST(dev), i, RVSP_PCIE_IRQ + i); + } + + pci = PCI_HOST_BRIDGE(dev); + pci_init_nic_devices(pci->bus, mc->default_nic); + /* IDE disk setup. */ + pdev_ahci = pci_create_simple(pci->bus, -1, TYPE_ICH9_AHCI); + ich9 = ICH9_AHCI(pdev_ahci); + g_assert(ARRAY_SIZE(hd) == ich9->ahci.ports); + ide_drive_get(hd, ich9->ahci.ports); + ahci_ide_create_devs(&ich9->ahci, hd); + + GPEX_HOST(dev)->gpex_cfg.bus = PCI_HOST_BRIDGE(GPEX_HOST(dev))->bus; + return dev; +} + +static DeviceState *rvsp_ref_create_aia(int aia_guests, + const MemMapEntry *memmap, int socket, + int base_hartid, int hart_count) +{ + int i; + hwaddr addr; + uint32_t guest_bits; + DeviceState *aplic_s = NULL; + DeviceState *aplic_m = NULL; + bool msimode = true; + + /* Per-socket M-level IMSICs */ + addr = memmap[RVSP_IMSIC_M].base + + socket * RVSP_IMSIC_GROUP_MAX_SIZE; + for (i = 0; i < hart_count; i++) { + riscv_imsic_create(addr + i * IMSIC_HART_SIZE(0), + base_hartid + i, true, 1, + RVSP_IRQCHIP_NUM_MSIS); + } + + /* Per-socket S-level IMSICs */ + guest_bits = imsic_num_bits(aia_guests + 1); + addr = memmap[RVSP_IMSIC_S].base + socket * RVSP_IMSIC_GROUP_MAX_SIZE; + for (i = 0; i < hart_count; i++) { + riscv_imsic_create(addr + i * IMSIC_HART_SIZE(guest_bits), + base_hartid + i, false, 1 + aia_guests, + RVSP_IRQCHIP_NUM_MSIS); + } + + /* Per-socket M-level APLIC */ + aplic_m = riscv_aplic_create(memmap[RVSP_APLIC_M].base + + socket * memmap[RVSP_APLIC_M].size, + memmap[RVSP_APLIC_M].size, + (msimode) ? 0 : base_hartid, + (msimode) ? 0 : hart_count, + RVSP_IRQCHIP_NUM_SOURCES, + RVSP_IRQCHIP_NUM_PRIO_BITS, + msimode, true, NULL); + + /* Per-socket S-level APLIC */ + aplic_s = riscv_aplic_create(memmap[RVSP_APLIC_S].base + + socket * memmap[RVSP_APLIC_S].size, + memmap[RVSP_APLIC_S].size, + (msimode) ? 0 : base_hartid, + (msimode) ? 0 : hart_count, + RVSP_IRQCHIP_NUM_SOURCES, + RVSP_IRQCHIP_NUM_PRIO_BITS, + msimode, false, aplic_m); + + (void)aplic_s; + return aplic_m; +} + +static void rvsp_ref_machine_done(Notifier *notifier, void *data) +{ + RVSPMachineState *s = container_of(notifier, RVSPMachineState, + machine_done); + const MemMapEntry *memmap = rvsp_ref_memmap; + MachineState *machine = MACHINE(s); + target_ulong start_addr = memmap[RVSP_DRAM].base; + target_ulong firmware_end_addr, kernel_start_addr; + const char *firmware_name = riscv_default_firmware_name(&s->soc[0]); + uint64_t fdt_load_addr; + uint64_t kernel_entry = 0; + BlockBackend *pflash_blk0; + + /* load/create device tree */ + if (machine->dtb) { + machine->fdt = load_device_tree(machine->dtb, &s->fdt_size); + if (!machine->fdt) { + error_report("load_device_tree() failed"); + exit(1); + } + } else { + create_fdt(s, memmap); + } + + firmware_end_addr = riscv_find_and_load_firmware(machine, firmware_name, + start_addr, NULL); + + pflash_blk0 = pflash_cfi01_get_blk(s->flash[0]); + if (pflash_blk0) { + if (machine->firmware && !strcmp(machine->firmware, "none")) { + /* + * Pflash was supplied but bios is none and not KVM guest, + * let's overwrite the address we jump to after reset to + * the base of the flash. + */ + start_addr = rvsp_ref_memmap[RVSP_FLASH].base; + } else { + /* + * Pflash was supplied but either KVM guest or bios is not none. + * In this case, base of the flash would contain S-mode payload. + */ + riscv_setup_firmware_boot(machine); + kernel_entry = rvsp_ref_memmap[RVSP_FLASH].base; + } + } + + if (machine->kernel_filename && !kernel_entry) { + kernel_start_addr = riscv_calc_kernel_start_addr(&s->soc[0], + firmware_end_addr); + + kernel_entry = riscv_load_kernel(machine, &s->soc[0], + kernel_start_addr, true, NULL); + } + + fdt_load_addr = riscv_compute_fdt_addr(memmap[RVSP_DRAM].base, + memmap[RVSP_DRAM].size, + machine); + riscv_load_fdt(fdt_load_addr, machine->fdt); + + /* load the reset vector */ + riscv_setup_rom_reset_vec(machine, &s->soc[0], start_addr, + rvsp_ref_memmap[RVSP_MROM].base, + rvsp_ref_memmap[RVSP_MROM].size, kernel_entry, + fdt_load_addr); + +} + +static void rvsp_ref_machine_init(MachineState *machine) +{ + const MemMapEntry *memmap = rvsp_ref_memmap; + RVSPMachineState *s = RVSP_REF_MACHINE(machine); + MemoryRegion *system_memory = get_system_memory(); + MemoryRegion *mask_rom = g_new(MemoryRegion, 1); + char *soc_name; + DeviceState *mmio_irqchip, *pcie_irqchip; + int i, base_hartid, hart_count; + int socket_count = riscv_socket_count(machine); + + /* Check socket count limit */ + if (RVSP_SOCKETS_MAX < socket_count) { + error_report("number of sockets/nodes should be less than %d", + RVSP_SOCKETS_MAX); + exit(1); + } + + if (!tcg_enabled()) { + error_report("'aclint' is only available with TCG acceleration"); + exit(1); + } + + /* Initialize sockets */ + mmio_irqchip = pcie_irqchip = NULL; + for (i = 0; i < socket_count; i++) { + if (!riscv_socket_check_hartids(machine, i)) { + error_report("discontinuous hartids in socket%d", i); + exit(1); + } + + base_hartid = riscv_socket_first_hartid(machine, i); + if (base_hartid < 0) { + error_report("can't find hartid base for socket%d", i); + exit(1); + } + + hart_count = riscv_socket_hart_count(machine, i); + if (hart_count < 0) { + error_report("can't find hart count for socket%d", i); + exit(1); + } + + soc_name = g_strdup_printf("soc%d", i); + object_initialize_child(OBJECT(machine), soc_name, &s->soc[i], + TYPE_RISCV_HART_ARRAY); + g_free(soc_name); + object_property_set_str(OBJECT(&s->soc[i]), "cpu-type", + machine->cpu_type, &error_abort); + object_property_set_int(OBJECT(&s->soc[i]), "hartid-base", + base_hartid, &error_abort); + object_property_set_int(OBJECT(&s->soc[i]), "num-harts", + hart_count, &error_abort); + sysbus_realize(SYS_BUS_DEVICE(&s->soc[i]), &error_fatal); + + /* Per-socket ACLINT MTIMER */ + riscv_aclint_mtimer_create(memmap[RVSP_ACLINT].base + + i * RISCV_ACLINT_DEFAULT_MTIMER_SIZE, + RISCV_ACLINT_DEFAULT_MTIMER_SIZE, + base_hartid, hart_count, + RISCV_ACLINT_DEFAULT_MTIMECMP, + RISCV_ACLINT_DEFAULT_MTIME, + RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ, true); + + /* Per-socket interrupt controller */ + s->irqchip[i] = rvsp_ref_create_aia(s->aia_guests, + memmap, i, base_hartid, + hart_count); + + /* Try to use different IRQCHIP instance based device type */ + if (i == 0) { + mmio_irqchip = s->irqchip[i]; + pcie_irqchip = s->irqchip[i]; + } + if (i == 1) { + pcie_irqchip = s->irqchip[i]; + } + } + + s->memmap = rvsp_ref_memmap; + + /* register system main memory (actual RAM) */ + memory_region_add_subregion(system_memory, memmap[RVSP_DRAM].base, + machine->ram); + + /* boot rom */ + memory_region_init_rom(mask_rom, NULL, "riscv_rvsp_ref_board.mrom", + memmap[RVSP_MROM].size, &error_fatal); + memory_region_add_subregion(system_memory, memmap[RVSP_MROM].base, + mask_rom); + + /* SiFive Test MMIO device */ + sifive_test_create(memmap[RVSP_TEST].base); + + gpex_pcie_init(system_memory, pcie_irqchip, s); + + serial_mm_init(system_memory, memmap[RVSP_UART0].base, + 0, qdev_get_gpio_in(mmio_irqchip, RVSP_UART0_IRQ), 399193, + serial_hd(0), DEVICE_LITTLE_ENDIAN); + + sysbus_create_simple("goldfish_rtc", memmap[RVSP_RTC].base, + qdev_get_gpio_in(mmio_irqchip, RVSP_RTC_IRQ)); + + for (i = 0; i < ARRAY_SIZE(s->flash); i++) { + /* Map legacy -drive if=pflash to machine properties */ + pflash_cfi01_legacy_drive(s->flash[i], + drive_get(IF_PFLASH, 0, i)); + } + rvsp_flash_map(s, system_memory); + + s->machine_done.notify = rvsp_ref_machine_done; + qemu_add_machine_init_done_notifier(&s->machine_done); +} + +static void rvsp_ref_machine_instance_init(Object *obj) +{ + RVSPMachineState *s = RVSP_REF_MACHINE(obj); + + rvsp_flash_create(s); +} + +static char *rvsp_ref_get_aia_guests(Object *obj, Error **errp) +{ + RVSPMachineState *s = RVSP_REF_MACHINE(obj); + char val[32]; + + sprintf(val, "%d", s->aia_guests); + return g_strdup(val); +} + +static void rvsp_ref_set_aia_guests(Object *obj, const char *val, Error **errp) +{ + RVSPMachineState *s = RVSP_REF_MACHINE(obj); + + s->aia_guests = atoi(val); + if (s->aia_guests < 0 || s->aia_guests > RVSP_IRQCHIP_MAX_GUESTS) { + error_setg(errp, "Invalid number of AIA IMSIC guests"); + error_append_hint(errp, "Valid values be between 0 and %d.\n", + RVSP_IRQCHIP_MAX_GUESTS); + } +} + +static void rvsp_ref_machine_class_init(ObjectClass *oc, void *data) +{ + char str[128]; + MachineClass *mc = MACHINE_CLASS(oc); + + mc->desc = "RISC-V Server SoC Reference board"; + mc->init = rvsp_ref_machine_init; + mc->max_cpus = RVSP_CPUS_MAX; + mc->default_cpu_type = TYPE_RISCV_CPU_BASE; + mc->pci_allow_0_address = true; + mc->default_nic = "e1000e"; + mc->possible_cpu_arch_ids = riscv_numa_possible_cpu_arch_ids; + mc->cpu_index_to_instance_props = riscv_numa_cpu_index_to_props; + mc->get_default_cpu_node_id = riscv_numa_get_default_cpu_node_id; + mc->numa_mem_supported = true; + /* platform instead of architectural choice */ + mc->cpu_cluster_has_numa_boundary = true; + mc->default_ram_id = "riscv_rvsp_ref_board.ram"; + + object_class_property_add_str(oc, "aia-guests", + rvsp_ref_get_aia_guests, + rvsp_ref_set_aia_guests); + sprintf(str, "Set number of guest MMIO pages for AIA IMSIC. Valid value " + "should be between 0 and %d.", RVSP_IRQCHIP_MAX_GUESTS); + object_class_property_set_description(oc, "aia-guests", str); +} + +static const TypeInfo rvsp_ref_typeinfo = { + .name = TYPE_RVSP_REF_MACHINE, + .parent = TYPE_MACHINE, + .class_init = rvsp_ref_machine_class_init, + .instance_init = rvsp_ref_machine_instance_init, + .instance_size = sizeof(RVSPMachineState), +}; + +static void rvsp_ref_init_register_types(void) +{ + type_register_static(&rvsp_ref_typeinfo); +} + +type_init(rvsp_ref_init_register_types)