153018216SPaolo Bonzini /* 253018216SPaolo Bonzini * QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator 353018216SPaolo Bonzini * 453018216SPaolo Bonzini * Copyright (c) 2004-2007 Fabrice Bellard 553018216SPaolo Bonzini * Copyright (c) 2007 Jocelyn Mayer 653018216SPaolo Bonzini * Copyright (c) 2010 David Gibson, IBM Corporation. 753018216SPaolo Bonzini * 853018216SPaolo Bonzini * Permission is hereby granted, free of charge, to any person obtaining a copy 953018216SPaolo Bonzini * of this software and associated documentation files (the "Software"), to deal 1053018216SPaolo Bonzini * in the Software without restriction, including without limitation the rights 1153018216SPaolo Bonzini * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 1253018216SPaolo Bonzini * copies of the Software, and to permit persons to whom the Software is 1353018216SPaolo Bonzini * furnished to do so, subject to the following conditions: 1453018216SPaolo Bonzini * 1553018216SPaolo Bonzini * The above copyright notice and this permission notice shall be included in 1653018216SPaolo Bonzini * all copies or substantial portions of the Software. 1753018216SPaolo Bonzini * 1853018216SPaolo Bonzini * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1953018216SPaolo Bonzini * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 2053018216SPaolo Bonzini * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 2153018216SPaolo Bonzini * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 2253018216SPaolo Bonzini * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 2353018216SPaolo Bonzini * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 2453018216SPaolo Bonzini * THE SOFTWARE. 2553018216SPaolo Bonzini * 2653018216SPaolo Bonzini */ 2753018216SPaolo Bonzini #include "sysemu/sysemu.h" 2853018216SPaolo Bonzini #include "hw/hw.h" 2953018216SPaolo Bonzini #include "elf.h" 3053018216SPaolo Bonzini #include "net/net.h" 3153018216SPaolo Bonzini #include "sysemu/blockdev.h" 3253018216SPaolo Bonzini #include "sysemu/cpus.h" 3353018216SPaolo Bonzini #include "sysemu/kvm.h" 3453018216SPaolo Bonzini #include "kvm_ppc.h" 3553018216SPaolo Bonzini 3653018216SPaolo Bonzini #include "hw/boards.h" 3753018216SPaolo Bonzini #include "hw/ppc.h" 3853018216SPaolo Bonzini #include "hw/loader.h" 3953018216SPaolo Bonzini 4053018216SPaolo Bonzini #include "hw/spapr.h" 4153018216SPaolo Bonzini #include "hw/spapr_vio.h" 4253018216SPaolo Bonzini #include "hw/spapr_pci.h" 4353018216SPaolo Bonzini #include "hw/xics.h" 4453018216SPaolo Bonzini #include "hw/pci/msi.h" 4553018216SPaolo Bonzini 4653018216SPaolo Bonzini #include "sysemu/kvm.h" 4753018216SPaolo Bonzini #include "kvm_ppc.h" 4853018216SPaolo Bonzini #include "hw/pci/pci.h" 4953018216SPaolo Bonzini 5053018216SPaolo Bonzini #include "exec/address-spaces.h" 5153018216SPaolo Bonzini #include "hw/usb.h" 5253018216SPaolo Bonzini #include "qemu/config-file.h" 5353018216SPaolo Bonzini 5453018216SPaolo Bonzini #include <libfdt.h> 5553018216SPaolo Bonzini 5653018216SPaolo Bonzini /* SLOF memory layout: 5753018216SPaolo Bonzini * 5853018216SPaolo Bonzini * SLOF raw image loaded at 0, copies its romfs right below the flat 5953018216SPaolo Bonzini * device-tree, then position SLOF itself 31M below that 6053018216SPaolo Bonzini * 6153018216SPaolo Bonzini * So we set FW_OVERHEAD to 40MB which should account for all of that 6253018216SPaolo Bonzini * and more 6353018216SPaolo Bonzini * 6453018216SPaolo Bonzini * We load our kernel at 4M, leaving space for SLOF initial image 6553018216SPaolo Bonzini */ 6653018216SPaolo Bonzini #define FDT_MAX_SIZE 0x10000 6753018216SPaolo Bonzini #define RTAS_MAX_SIZE 0x10000 6853018216SPaolo Bonzini #define FW_MAX_SIZE 0x400000 6953018216SPaolo Bonzini #define FW_FILE_NAME "slof.bin" 7053018216SPaolo Bonzini #define FW_OVERHEAD 0x2800000 7153018216SPaolo Bonzini #define KERNEL_LOAD_ADDR FW_MAX_SIZE 7253018216SPaolo Bonzini 7353018216SPaolo Bonzini #define MIN_RMA_SLOF 128UL 7453018216SPaolo Bonzini 7553018216SPaolo Bonzini #define TIMEBASE_FREQ 512000000ULL 7653018216SPaolo Bonzini 7753018216SPaolo Bonzini #define MAX_CPUS 256 7853018216SPaolo Bonzini #define XICS_IRQS 1024 7953018216SPaolo Bonzini 8053018216SPaolo Bonzini #define PHANDLE_XICP 0x00001111 8153018216SPaolo Bonzini 8253018216SPaolo Bonzini #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift)) 8353018216SPaolo Bonzini 8453018216SPaolo Bonzini sPAPREnvironment *spapr; 8553018216SPaolo Bonzini 8653018216SPaolo Bonzini int spapr_allocate_irq(int hint, bool lsi) 8753018216SPaolo Bonzini { 8853018216SPaolo Bonzini int irq; 8953018216SPaolo Bonzini 9053018216SPaolo Bonzini if (hint) { 9153018216SPaolo Bonzini irq = hint; 9253018216SPaolo Bonzini /* FIXME: we should probably check for collisions somehow */ 9353018216SPaolo Bonzini } else { 9453018216SPaolo Bonzini irq = spapr->next_irq++; 9553018216SPaolo Bonzini } 9653018216SPaolo Bonzini 9753018216SPaolo Bonzini /* Configure irq type */ 9853018216SPaolo Bonzini if (!xics_get_qirq(spapr->icp, irq)) { 9953018216SPaolo Bonzini return 0; 10053018216SPaolo Bonzini } 10153018216SPaolo Bonzini 10253018216SPaolo Bonzini xics_set_irq_type(spapr->icp, irq, lsi); 10353018216SPaolo Bonzini 10453018216SPaolo Bonzini return irq; 10553018216SPaolo Bonzini } 10653018216SPaolo Bonzini 10753018216SPaolo Bonzini /* Allocate block of consequtive IRQs, returns a number of the first */ 10853018216SPaolo Bonzini int spapr_allocate_irq_block(int num, bool lsi) 10953018216SPaolo Bonzini { 11053018216SPaolo Bonzini int first = -1; 11153018216SPaolo Bonzini int i; 11253018216SPaolo Bonzini 11353018216SPaolo Bonzini for (i = 0; i < num; ++i) { 11453018216SPaolo Bonzini int irq; 11553018216SPaolo Bonzini 11653018216SPaolo Bonzini irq = spapr_allocate_irq(0, lsi); 11753018216SPaolo Bonzini if (!irq) { 11853018216SPaolo Bonzini return -1; 11953018216SPaolo Bonzini } 12053018216SPaolo Bonzini 12153018216SPaolo Bonzini if (0 == i) { 12253018216SPaolo Bonzini first = irq; 12353018216SPaolo Bonzini } 12453018216SPaolo Bonzini 12553018216SPaolo Bonzini /* If the above doesn't create a consecutive block then that's 12653018216SPaolo Bonzini * an internal bug */ 12753018216SPaolo Bonzini assert(irq == (first + i)); 12853018216SPaolo Bonzini } 12953018216SPaolo Bonzini 13053018216SPaolo Bonzini return first; 13153018216SPaolo Bonzini } 13253018216SPaolo Bonzini 13353018216SPaolo Bonzini static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr) 13453018216SPaolo Bonzini { 13553018216SPaolo Bonzini int ret = 0, offset; 13653018216SPaolo Bonzini CPUPPCState *env; 13753018216SPaolo Bonzini CPUState *cpu; 13853018216SPaolo Bonzini char cpu_model[32]; 13953018216SPaolo Bonzini int smt = kvmppc_smt_threads(); 14053018216SPaolo Bonzini uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; 14153018216SPaolo Bonzini 14253018216SPaolo Bonzini assert(spapr->cpu_model); 14353018216SPaolo Bonzini 14453018216SPaolo Bonzini for (env = first_cpu; env != NULL; env = env->next_cpu) { 14553018216SPaolo Bonzini cpu = CPU(ppc_env_get_cpu(env)); 14653018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x5), 14753018216SPaolo Bonzini cpu_to_be32(0x0), 14853018216SPaolo Bonzini cpu_to_be32(0x0), 14953018216SPaolo Bonzini cpu_to_be32(0x0), 15053018216SPaolo Bonzini cpu_to_be32(cpu->numa_node), 15153018216SPaolo Bonzini cpu_to_be32(cpu->cpu_index)}; 15253018216SPaolo Bonzini 15353018216SPaolo Bonzini if ((cpu->cpu_index % smt) != 0) { 15453018216SPaolo Bonzini continue; 15553018216SPaolo Bonzini } 15653018216SPaolo Bonzini 15753018216SPaolo Bonzini snprintf(cpu_model, 32, "/cpus/%s@%x", spapr->cpu_model, 15853018216SPaolo Bonzini cpu->cpu_index); 15953018216SPaolo Bonzini 16053018216SPaolo Bonzini offset = fdt_path_offset(fdt, cpu_model); 16153018216SPaolo Bonzini if (offset < 0) { 16253018216SPaolo Bonzini return offset; 16353018216SPaolo Bonzini } 16453018216SPaolo Bonzini 16553018216SPaolo Bonzini if (nb_numa_nodes > 1) { 16653018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,associativity", associativity, 16753018216SPaolo Bonzini sizeof(associativity)); 16853018216SPaolo Bonzini if (ret < 0) { 16953018216SPaolo Bonzini return ret; 17053018216SPaolo Bonzini } 17153018216SPaolo Bonzini } 17253018216SPaolo Bonzini 17353018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,pft-size", 17453018216SPaolo Bonzini pft_size_prop, sizeof(pft_size_prop)); 17553018216SPaolo Bonzini if (ret < 0) { 17653018216SPaolo Bonzini return ret; 17753018216SPaolo Bonzini } 17853018216SPaolo Bonzini } 17953018216SPaolo Bonzini return ret; 18053018216SPaolo Bonzini } 18153018216SPaolo Bonzini 18253018216SPaolo Bonzini 18353018216SPaolo Bonzini static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop, 18453018216SPaolo Bonzini size_t maxsize) 18553018216SPaolo Bonzini { 18653018216SPaolo Bonzini size_t maxcells = maxsize / sizeof(uint32_t); 18753018216SPaolo Bonzini int i, j, count; 18853018216SPaolo Bonzini uint32_t *p = prop; 18953018216SPaolo Bonzini 19053018216SPaolo Bonzini for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { 19153018216SPaolo Bonzini struct ppc_one_seg_page_size *sps = &env->sps.sps[i]; 19253018216SPaolo Bonzini 19353018216SPaolo Bonzini if (!sps->page_shift) { 19453018216SPaolo Bonzini break; 19553018216SPaolo Bonzini } 19653018216SPaolo Bonzini for (count = 0; count < PPC_PAGE_SIZES_MAX_SZ; count++) { 19753018216SPaolo Bonzini if (sps->enc[count].page_shift == 0) { 19853018216SPaolo Bonzini break; 19953018216SPaolo Bonzini } 20053018216SPaolo Bonzini } 20153018216SPaolo Bonzini if ((p - prop) >= (maxcells - 3 - count * 2)) { 20253018216SPaolo Bonzini break; 20353018216SPaolo Bonzini } 20453018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->page_shift); 20553018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->slb_enc); 20653018216SPaolo Bonzini *(p++) = cpu_to_be32(count); 20753018216SPaolo Bonzini for (j = 0; j < count; j++) { 20853018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->enc[j].page_shift); 20953018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->enc[j].pte_enc); 21053018216SPaolo Bonzini } 21153018216SPaolo Bonzini } 21253018216SPaolo Bonzini 21353018216SPaolo Bonzini return (p - prop) * sizeof(uint32_t); 21453018216SPaolo Bonzini } 21553018216SPaolo Bonzini 21653018216SPaolo Bonzini #define _FDT(exp) \ 21753018216SPaolo Bonzini do { \ 21853018216SPaolo Bonzini int ret = (exp); \ 21953018216SPaolo Bonzini if (ret < 0) { \ 22053018216SPaolo Bonzini fprintf(stderr, "qemu: error creating device tree: %s: %s\n", \ 22153018216SPaolo Bonzini #exp, fdt_strerror(ret)); \ 22253018216SPaolo Bonzini exit(1); \ 22353018216SPaolo Bonzini } \ 22453018216SPaolo Bonzini } while (0) 22553018216SPaolo Bonzini 22653018216SPaolo Bonzini 22753018216SPaolo Bonzini static void *spapr_create_fdt_skel(const char *cpu_model, 22853018216SPaolo Bonzini hwaddr initrd_base, 22953018216SPaolo Bonzini hwaddr initrd_size, 23053018216SPaolo Bonzini hwaddr kernel_size, 23153018216SPaolo Bonzini const char *boot_device, 23253018216SPaolo Bonzini const char *kernel_cmdline, 23353018216SPaolo Bonzini uint32_t epow_irq) 23453018216SPaolo Bonzini { 23553018216SPaolo Bonzini void *fdt; 23653018216SPaolo Bonzini CPUPPCState *env; 23753018216SPaolo Bonzini uint32_t start_prop = cpu_to_be32(initrd_base); 23853018216SPaolo Bonzini uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size); 23953018216SPaolo Bonzini char hypertas_prop[] = "hcall-pft\0hcall-term\0hcall-dabr\0hcall-interrupt" 24053018216SPaolo Bonzini "\0hcall-tce\0hcall-vio\0hcall-splpar\0hcall-bulk"; 24153018216SPaolo Bonzini char qemu_hypertas_prop[] = "hcall-memop1"; 24253018216SPaolo Bonzini uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)}; 24353018216SPaolo Bonzini uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)}; 24453018216SPaolo Bonzini char *modelname; 24553018216SPaolo Bonzini int i, smt = kvmppc_smt_threads(); 24653018216SPaolo Bonzini unsigned char vec5[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80}; 24753018216SPaolo Bonzini 24853018216SPaolo Bonzini fdt = g_malloc0(FDT_MAX_SIZE); 24953018216SPaolo Bonzini _FDT((fdt_create(fdt, FDT_MAX_SIZE))); 25053018216SPaolo Bonzini 25153018216SPaolo Bonzini if (kernel_size) { 25253018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, KERNEL_LOAD_ADDR, kernel_size))); 25353018216SPaolo Bonzini } 25453018216SPaolo Bonzini if (initrd_size) { 25553018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, initrd_base, initrd_size))); 25653018216SPaolo Bonzini } 25753018216SPaolo Bonzini _FDT((fdt_finish_reservemap(fdt))); 25853018216SPaolo Bonzini 25953018216SPaolo Bonzini /* Root node */ 26053018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, ""))); 26153018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "chrp"))); 26253018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "model", "IBM pSeries (emulated by qemu)"))); 263fa388916SAnthony Liguori _FDT((fdt_property_string(fdt, "compatible", "qemu,pseries"))); 26453018216SPaolo Bonzini 26553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x2))); 26653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x2))); 26753018216SPaolo Bonzini 26853018216SPaolo Bonzini /* /chosen */ 26953018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "chosen"))); 27053018216SPaolo Bonzini 27153018216SPaolo Bonzini /* Set Form1_affinity */ 27253018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,architecture-vec-5", vec5, sizeof(vec5)))); 27353018216SPaolo Bonzini 27453018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "bootargs", kernel_cmdline))); 27553018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-start", 27653018216SPaolo Bonzini &start_prop, sizeof(start_prop)))); 27753018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-end", 27853018216SPaolo Bonzini &end_prop, sizeof(end_prop)))); 27953018216SPaolo Bonzini if (kernel_size) { 28053018216SPaolo Bonzini uint64_t kprop[2] = { cpu_to_be64(KERNEL_LOAD_ADDR), 28153018216SPaolo Bonzini cpu_to_be64(kernel_size) }; 28253018216SPaolo Bonzini 28353018216SPaolo Bonzini _FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop)))); 28453018216SPaolo Bonzini } 28553018216SPaolo Bonzini if (boot_device) { 28653018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device))); 28753018216SPaolo Bonzini } 28853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-width", graphic_width))); 28953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-height", graphic_height))); 29053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-depth", graphic_depth))); 29153018216SPaolo Bonzini 29253018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 29353018216SPaolo Bonzini 29453018216SPaolo Bonzini /* cpus */ 29553018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "cpus"))); 29653018216SPaolo Bonzini 29753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 29853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 29953018216SPaolo Bonzini 30053018216SPaolo Bonzini modelname = g_strdup(cpu_model); 30153018216SPaolo Bonzini 30253018216SPaolo Bonzini for (i = 0; i < strlen(modelname); i++) { 30353018216SPaolo Bonzini modelname[i] = toupper(modelname[i]); 30453018216SPaolo Bonzini } 30553018216SPaolo Bonzini 30653018216SPaolo Bonzini /* This is needed during FDT finalization */ 30753018216SPaolo Bonzini spapr->cpu_model = g_strdup(modelname); 30853018216SPaolo Bonzini 30953018216SPaolo Bonzini for (env = first_cpu; env != NULL; env = env->next_cpu) { 31053018216SPaolo Bonzini CPUState *cpu = CPU(ppc_env_get_cpu(env)); 31153018216SPaolo Bonzini int index = cpu->cpu_index; 31253018216SPaolo Bonzini uint32_t servers_prop[smp_threads]; 31353018216SPaolo Bonzini uint32_t gservers_prop[smp_threads * 2]; 31453018216SPaolo Bonzini char *nodename; 31553018216SPaolo Bonzini uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), 31653018216SPaolo Bonzini 0xffffffff, 0xffffffff}; 31753018216SPaolo Bonzini uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ; 31853018216SPaolo Bonzini uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; 31953018216SPaolo Bonzini uint32_t page_sizes_prop[64]; 32053018216SPaolo Bonzini size_t page_sizes_prop_size; 32153018216SPaolo Bonzini 32253018216SPaolo Bonzini if ((index % smt) != 0) { 32353018216SPaolo Bonzini continue; 32453018216SPaolo Bonzini } 32553018216SPaolo Bonzini 32653018216SPaolo Bonzini nodename = g_strdup_printf("%s@%x", modelname, index); 32753018216SPaolo Bonzini 32853018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, nodename))); 32953018216SPaolo Bonzini 33053018216SPaolo Bonzini g_free(nodename); 33153018216SPaolo Bonzini 33253018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "reg", index))); 33353018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "cpu"))); 33453018216SPaolo Bonzini 33553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "cpu-version", env->spr[SPR_PVR]))); 33653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "dcache-block-size", 33753018216SPaolo Bonzini env->dcache_line_size))); 33853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "icache-block-size", 33953018216SPaolo Bonzini env->icache_line_size))); 34053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "timebase-frequency", tbfreq))); 34153018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "clock-frequency", cpufreq))); 34253018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,slb-size", env->slb_nr))); 34353018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "status", "okay"))); 34453018216SPaolo Bonzini _FDT((fdt_property(fdt, "64-bit", NULL, 0))); 34553018216SPaolo Bonzini 34653018216SPaolo Bonzini /* Build interrupt servers and gservers properties */ 34753018216SPaolo Bonzini for (i = 0; i < smp_threads; i++) { 34853018216SPaolo Bonzini servers_prop[i] = cpu_to_be32(index + i); 34953018216SPaolo Bonzini /* Hack, direct the group queues back to cpu 0 */ 35053018216SPaolo Bonzini gservers_prop[i*2] = cpu_to_be32(index + i); 35153018216SPaolo Bonzini gservers_prop[i*2 + 1] = 0; 35253018216SPaolo Bonzini } 35353018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,ppc-interrupt-server#s", 35453018216SPaolo Bonzini servers_prop, sizeof(servers_prop)))); 35553018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,ppc-interrupt-gserver#s", 35653018216SPaolo Bonzini gservers_prop, sizeof(gservers_prop)))); 35753018216SPaolo Bonzini 35853018216SPaolo Bonzini if (env->mmu_model & POWERPC_MMU_1TSEG) { 35953018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,processor-segment-sizes", 36053018216SPaolo Bonzini segs, sizeof(segs)))); 36153018216SPaolo Bonzini } 36253018216SPaolo Bonzini 36353018216SPaolo Bonzini /* Advertise VMX/VSX (vector extensions) if available 36453018216SPaolo Bonzini * 0 / no property == no vector extensions 36553018216SPaolo Bonzini * 1 == VMX / Altivec available 36653018216SPaolo Bonzini * 2 == VSX available */ 36753018216SPaolo Bonzini if (env->insns_flags & PPC_ALTIVEC) { 36853018216SPaolo Bonzini uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; 36953018216SPaolo Bonzini 37053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,vmx", vmx))); 37153018216SPaolo Bonzini } 37253018216SPaolo Bonzini 37353018216SPaolo Bonzini /* Advertise DFP (Decimal Floating Point) if available 37453018216SPaolo Bonzini * 0 / no property == no DFP 37553018216SPaolo Bonzini * 1 == DFP available */ 37653018216SPaolo Bonzini if (env->insns_flags2 & PPC2_DFP) { 37753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,dfp", 1))); 37853018216SPaolo Bonzini } 37953018216SPaolo Bonzini 38053018216SPaolo Bonzini page_sizes_prop_size = create_page_sizes_prop(env, page_sizes_prop, 38153018216SPaolo Bonzini sizeof(page_sizes_prop)); 38253018216SPaolo Bonzini if (page_sizes_prop_size) { 38353018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,segment-page-sizes", 38453018216SPaolo Bonzini page_sizes_prop, page_sizes_prop_size))); 38553018216SPaolo Bonzini } 38653018216SPaolo Bonzini 38753018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 38853018216SPaolo Bonzini } 38953018216SPaolo Bonzini 39053018216SPaolo Bonzini g_free(modelname); 39153018216SPaolo Bonzini 39253018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 39353018216SPaolo Bonzini 39453018216SPaolo Bonzini /* RTAS */ 39553018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "rtas"))); 39653018216SPaolo Bonzini 39753018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,hypertas-functions", hypertas_prop, 39853018216SPaolo Bonzini sizeof(hypertas_prop)))); 39953018216SPaolo Bonzini _FDT((fdt_property(fdt, "qemu,hypertas-functions", qemu_hypertas_prop, 40053018216SPaolo Bonzini sizeof(qemu_hypertas_prop)))); 40153018216SPaolo Bonzini 40253018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,associativity-reference-points", 40353018216SPaolo Bonzini refpoints, sizeof(refpoints)))); 40453018216SPaolo Bonzini 40553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "rtas-error-log-max", RTAS_ERROR_LOG_MAX))); 40653018216SPaolo Bonzini 40753018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 40853018216SPaolo Bonzini 40953018216SPaolo Bonzini /* interrupt controller */ 41053018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "interrupt-controller"))); 41153018216SPaolo Bonzini 41253018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", 41353018216SPaolo Bonzini "PowerPC-External-Interrupt-Presentation"))); 41453018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,ppc-xicp"))); 41553018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 41653018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,interrupt-server-ranges", 41753018216SPaolo Bonzini interrupt_server_ranges_prop, 41853018216SPaolo Bonzini sizeof(interrupt_server_ranges_prop)))); 41953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 2))); 42053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "linux,phandle", PHANDLE_XICP))); 42153018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "phandle", PHANDLE_XICP))); 42253018216SPaolo Bonzini 42353018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 42453018216SPaolo Bonzini 42553018216SPaolo Bonzini /* vdevice */ 42653018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "vdevice"))); 42753018216SPaolo Bonzini 42853018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "vdevice"))); 42953018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,vdevice"))); 43053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 43153018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 43253018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 0x2))); 43353018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 43453018216SPaolo Bonzini 43553018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 43653018216SPaolo Bonzini 43753018216SPaolo Bonzini /* event-sources */ 43853018216SPaolo Bonzini spapr_events_fdt_skel(fdt, epow_irq); 43953018216SPaolo Bonzini 44053018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); /* close root node */ 44153018216SPaolo Bonzini _FDT((fdt_finish(fdt))); 44253018216SPaolo Bonzini 44353018216SPaolo Bonzini return fdt; 44453018216SPaolo Bonzini } 44553018216SPaolo Bonzini 44653018216SPaolo Bonzini static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) 44753018216SPaolo Bonzini { 44853018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x4), cpu_to_be32(0x0), 44953018216SPaolo Bonzini cpu_to_be32(0x0), cpu_to_be32(0x0), 45053018216SPaolo Bonzini cpu_to_be32(0x0)}; 45153018216SPaolo Bonzini char mem_name[32]; 45253018216SPaolo Bonzini hwaddr node0_size, mem_start; 45353018216SPaolo Bonzini uint64_t mem_reg_property[2]; 45453018216SPaolo Bonzini int i, off; 45553018216SPaolo Bonzini 45653018216SPaolo Bonzini /* memory node(s) */ 45753018216SPaolo Bonzini node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size; 45853018216SPaolo Bonzini if (spapr->rma_size > node0_size) { 45953018216SPaolo Bonzini spapr->rma_size = node0_size; 46053018216SPaolo Bonzini } 46153018216SPaolo Bonzini 46253018216SPaolo Bonzini /* RMA */ 46353018216SPaolo Bonzini mem_reg_property[0] = 0; 46453018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(spapr->rma_size); 46553018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, "memory@0"); 46653018216SPaolo Bonzini _FDT(off); 46753018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 46853018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 46953018216SPaolo Bonzini sizeof(mem_reg_property)))); 47053018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 47153018216SPaolo Bonzini sizeof(associativity)))); 47253018216SPaolo Bonzini 47353018216SPaolo Bonzini /* RAM: Node 0 */ 47453018216SPaolo Bonzini if (node0_size > spapr->rma_size) { 47553018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(spapr->rma_size); 47653018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(node0_size - spapr->rma_size); 47753018216SPaolo Bonzini 47853018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, spapr->rma_size); 47953018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 48053018216SPaolo Bonzini _FDT(off); 48153018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 48253018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 48353018216SPaolo Bonzini sizeof(mem_reg_property)))); 48453018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 48553018216SPaolo Bonzini sizeof(associativity)))); 48653018216SPaolo Bonzini } 48753018216SPaolo Bonzini 48853018216SPaolo Bonzini /* RAM: Node 1 and beyond */ 48953018216SPaolo Bonzini mem_start = node0_size; 49053018216SPaolo Bonzini for (i = 1; i < nb_numa_nodes; i++) { 49153018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(mem_start); 49253018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(node_mem[i]); 49353018216SPaolo Bonzini associativity[3] = associativity[4] = cpu_to_be32(i); 49453018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, mem_start); 49553018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 49653018216SPaolo Bonzini _FDT(off); 49753018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 49853018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 49953018216SPaolo Bonzini sizeof(mem_reg_property)))); 50053018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 50153018216SPaolo Bonzini sizeof(associativity)))); 50253018216SPaolo Bonzini mem_start += node_mem[i]; 50353018216SPaolo Bonzini } 50453018216SPaolo Bonzini 50553018216SPaolo Bonzini return 0; 50653018216SPaolo Bonzini } 50753018216SPaolo Bonzini 50853018216SPaolo Bonzini static void spapr_finalize_fdt(sPAPREnvironment *spapr, 50953018216SPaolo Bonzini hwaddr fdt_addr, 51053018216SPaolo Bonzini hwaddr rtas_addr, 51153018216SPaolo Bonzini hwaddr rtas_size) 51253018216SPaolo Bonzini { 51353018216SPaolo Bonzini int ret; 51453018216SPaolo Bonzini void *fdt; 51553018216SPaolo Bonzini sPAPRPHBState *phb; 51653018216SPaolo Bonzini 51753018216SPaolo Bonzini fdt = g_malloc(FDT_MAX_SIZE); 51853018216SPaolo Bonzini 51953018216SPaolo Bonzini /* open out the base tree into a temp buffer for the final tweaks */ 52053018216SPaolo Bonzini _FDT((fdt_open_into(spapr->fdt_skel, fdt, FDT_MAX_SIZE))); 52153018216SPaolo Bonzini 52253018216SPaolo Bonzini ret = spapr_populate_memory(spapr, fdt); 52353018216SPaolo Bonzini if (ret < 0) { 52453018216SPaolo Bonzini fprintf(stderr, "couldn't setup memory nodes in fdt\n"); 52553018216SPaolo Bonzini exit(1); 52653018216SPaolo Bonzini } 52753018216SPaolo Bonzini 52853018216SPaolo Bonzini ret = spapr_populate_vdevice(spapr->vio_bus, fdt); 52953018216SPaolo Bonzini if (ret < 0) { 53053018216SPaolo Bonzini fprintf(stderr, "couldn't setup vio devices in fdt\n"); 53153018216SPaolo Bonzini exit(1); 53253018216SPaolo Bonzini } 53353018216SPaolo Bonzini 53453018216SPaolo Bonzini QLIST_FOREACH(phb, &spapr->phbs, list) { 53553018216SPaolo Bonzini ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt); 53653018216SPaolo Bonzini } 53753018216SPaolo Bonzini 53853018216SPaolo Bonzini if (ret < 0) { 53953018216SPaolo Bonzini fprintf(stderr, "couldn't setup PCI devices in fdt\n"); 54053018216SPaolo Bonzini exit(1); 54153018216SPaolo Bonzini } 54253018216SPaolo Bonzini 54353018216SPaolo Bonzini /* RTAS */ 54453018216SPaolo Bonzini ret = spapr_rtas_device_tree_setup(fdt, rtas_addr, rtas_size); 54553018216SPaolo Bonzini if (ret < 0) { 54653018216SPaolo Bonzini fprintf(stderr, "Couldn't set up RTAS device tree properties\n"); 54753018216SPaolo Bonzini } 54853018216SPaolo Bonzini 54953018216SPaolo Bonzini /* Advertise NUMA via ibm,associativity */ 55053018216SPaolo Bonzini ret = spapr_fixup_cpu_dt(fdt, spapr); 55153018216SPaolo Bonzini if (ret < 0) { 55253018216SPaolo Bonzini fprintf(stderr, "Couldn't finalize CPU device tree properties\n"); 55353018216SPaolo Bonzini } 55453018216SPaolo Bonzini 55553018216SPaolo Bonzini if (!spapr->has_graphics) { 55653018216SPaolo Bonzini spapr_populate_chosen_stdout(fdt, spapr->vio_bus); 55753018216SPaolo Bonzini } 55853018216SPaolo Bonzini 55953018216SPaolo Bonzini _FDT((fdt_pack(fdt))); 56053018216SPaolo Bonzini 56153018216SPaolo Bonzini if (fdt_totalsize(fdt) > FDT_MAX_SIZE) { 56253018216SPaolo Bonzini hw_error("FDT too big ! 0x%x bytes (max is 0x%x)\n", 56353018216SPaolo Bonzini fdt_totalsize(fdt), FDT_MAX_SIZE); 56453018216SPaolo Bonzini exit(1); 56553018216SPaolo Bonzini } 56653018216SPaolo Bonzini 56753018216SPaolo Bonzini cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); 56853018216SPaolo Bonzini 56953018216SPaolo Bonzini g_free(fdt); 57053018216SPaolo Bonzini } 57153018216SPaolo Bonzini 57253018216SPaolo Bonzini static uint64_t translate_kernel_address(void *opaque, uint64_t addr) 57353018216SPaolo Bonzini { 57453018216SPaolo Bonzini return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR; 57553018216SPaolo Bonzini } 57653018216SPaolo Bonzini 57753018216SPaolo Bonzini static void emulate_spapr_hypercall(PowerPCCPU *cpu) 57853018216SPaolo Bonzini { 57953018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 58053018216SPaolo Bonzini 58153018216SPaolo Bonzini if (msr_pr) { 58253018216SPaolo Bonzini hcall_dprintf("Hypercall made with MSR[PR]=1\n"); 58353018216SPaolo Bonzini env->gpr[3] = H_PRIVILEGE; 58453018216SPaolo Bonzini } else { 58553018216SPaolo Bonzini env->gpr[3] = spapr_hypercall(cpu, env->gpr[3], &env->gpr[4]); 58653018216SPaolo Bonzini } 58753018216SPaolo Bonzini } 58853018216SPaolo Bonzini 58953018216SPaolo Bonzini static void spapr_reset_htab(sPAPREnvironment *spapr) 59053018216SPaolo Bonzini { 59153018216SPaolo Bonzini long shift; 59253018216SPaolo Bonzini 59353018216SPaolo Bonzini /* allocate hash page table. For now we always make this 16mb, 59453018216SPaolo Bonzini * later we should probably make it scale to the size of guest 59553018216SPaolo Bonzini * RAM */ 59653018216SPaolo Bonzini 59753018216SPaolo Bonzini shift = kvmppc_reset_htab(spapr->htab_shift); 59853018216SPaolo Bonzini 59953018216SPaolo Bonzini if (shift > 0) { 60053018216SPaolo Bonzini /* Kernel handles htab, we don't need to allocate one */ 60153018216SPaolo Bonzini spapr->htab_shift = shift; 60253018216SPaolo Bonzini } else { 60353018216SPaolo Bonzini if (!spapr->htab) { 60453018216SPaolo Bonzini /* Allocate an htab if we don't yet have one */ 60553018216SPaolo Bonzini spapr->htab = qemu_memalign(HTAB_SIZE(spapr), HTAB_SIZE(spapr)); 60653018216SPaolo Bonzini } 60753018216SPaolo Bonzini 60853018216SPaolo Bonzini /* And clear it */ 60953018216SPaolo Bonzini memset(spapr->htab, 0, HTAB_SIZE(spapr)); 61053018216SPaolo Bonzini } 61153018216SPaolo Bonzini 61253018216SPaolo Bonzini /* Update the RMA size if necessary */ 61353018216SPaolo Bonzini if (spapr->vrma_adjust) { 61453018216SPaolo Bonzini spapr->rma_size = kvmppc_rma_size(ram_size, spapr->htab_shift); 61553018216SPaolo Bonzini } 61653018216SPaolo Bonzini } 61753018216SPaolo Bonzini 61853018216SPaolo Bonzini static void ppc_spapr_reset(void) 61953018216SPaolo Bonzini { 620259186a7SAndreas Färber CPUState *first_cpu_cpu; 621259186a7SAndreas Färber 62253018216SPaolo Bonzini /* Reset the hash table & recalc the RMA */ 62353018216SPaolo Bonzini spapr_reset_htab(spapr); 62453018216SPaolo Bonzini 62553018216SPaolo Bonzini qemu_devices_reset(); 62653018216SPaolo Bonzini 62753018216SPaolo Bonzini /* Load the fdt */ 62853018216SPaolo Bonzini spapr_finalize_fdt(spapr, spapr->fdt_addr, spapr->rtas_addr, 62953018216SPaolo Bonzini spapr->rtas_size); 63053018216SPaolo Bonzini 63153018216SPaolo Bonzini /* Set up the entry state */ 632a4e044c3SDavid Gibson first_cpu_cpu = ENV_GET_CPU(first_cpu); 63353018216SPaolo Bonzini first_cpu->gpr[3] = spapr->fdt_addr; 63453018216SPaolo Bonzini first_cpu->gpr[5] = 0; 635259186a7SAndreas Färber first_cpu_cpu->halted = 0; 63653018216SPaolo Bonzini first_cpu->nip = spapr->entry_point; 63753018216SPaolo Bonzini 63853018216SPaolo Bonzini } 63953018216SPaolo Bonzini 64053018216SPaolo Bonzini static void spapr_cpu_reset(void *opaque) 64153018216SPaolo Bonzini { 64253018216SPaolo Bonzini PowerPCCPU *cpu = opaque; 643259186a7SAndreas Färber CPUState *cs = CPU(cpu); 64453018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 64553018216SPaolo Bonzini 646259186a7SAndreas Färber cpu_reset(cs); 64753018216SPaolo Bonzini 64853018216SPaolo Bonzini /* All CPUs start halted. CPU0 is unhalted from the machine level 64953018216SPaolo Bonzini * reset code and the rest are explicitly started up by the guest 65053018216SPaolo Bonzini * using an RTAS call */ 651259186a7SAndreas Färber cs->halted = 1; 65253018216SPaolo Bonzini 65353018216SPaolo Bonzini env->spr[SPR_HIOR] = 0; 65453018216SPaolo Bonzini 65553018216SPaolo Bonzini env->external_htab = spapr->htab; 65653018216SPaolo Bonzini env->htab_base = -1; 65753018216SPaolo Bonzini env->htab_mask = HTAB_SIZE(spapr) - 1; 65853018216SPaolo Bonzini env->spr[SPR_SDR1] = (unsigned long)spapr->htab | 65953018216SPaolo Bonzini (spapr->htab_shift - 18); 66053018216SPaolo Bonzini } 66153018216SPaolo Bonzini 66253018216SPaolo Bonzini static void spapr_create_nvram(sPAPREnvironment *spapr) 66353018216SPaolo Bonzini { 66453018216SPaolo Bonzini QemuOpts *machine_opts; 66553018216SPaolo Bonzini DeviceState *dev; 66653018216SPaolo Bonzini 66753018216SPaolo Bonzini dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram"); 66853018216SPaolo Bonzini 66953018216SPaolo Bonzini machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0); 67053018216SPaolo Bonzini if (machine_opts) { 67153018216SPaolo Bonzini const char *drivename; 67253018216SPaolo Bonzini 67353018216SPaolo Bonzini drivename = qemu_opt_get(machine_opts, "nvram"); 67453018216SPaolo Bonzini if (drivename) { 67553018216SPaolo Bonzini BlockDriverState *bs; 67653018216SPaolo Bonzini 67753018216SPaolo Bonzini bs = bdrv_find(drivename); 67853018216SPaolo Bonzini if (!bs) { 67953018216SPaolo Bonzini fprintf(stderr, "No such block device \"%s\" for nvram\n", 68053018216SPaolo Bonzini drivename); 68153018216SPaolo Bonzini exit(1); 68253018216SPaolo Bonzini } 68353018216SPaolo Bonzini qdev_prop_set_drive_nofail(dev, "drive", bs); 68453018216SPaolo Bonzini } 68553018216SPaolo Bonzini } 68653018216SPaolo Bonzini 68753018216SPaolo Bonzini qdev_init_nofail(dev); 68853018216SPaolo Bonzini 68953018216SPaolo Bonzini spapr->nvram = (struct sPAPRNVRAM *)dev; 69053018216SPaolo Bonzini } 69153018216SPaolo Bonzini 69253018216SPaolo Bonzini /* Returns whether we want to use VGA or not */ 69353018216SPaolo Bonzini static int spapr_vga_init(PCIBus *pci_bus) 69453018216SPaolo Bonzini { 69553018216SPaolo Bonzini switch (vga_interface_type) { 69653018216SPaolo Bonzini case VGA_NONE: 69753018216SPaolo Bonzini case VGA_STD: 69853018216SPaolo Bonzini return pci_vga_init(pci_bus) != NULL; 69953018216SPaolo Bonzini default: 70053018216SPaolo Bonzini fprintf(stderr, "This vga model is not supported," 70153018216SPaolo Bonzini "currently it only supports -vga std\n"); 70253018216SPaolo Bonzini exit(0); 70353018216SPaolo Bonzini break; 70453018216SPaolo Bonzini } 70553018216SPaolo Bonzini } 70653018216SPaolo Bonzini 70753018216SPaolo Bonzini /* pSeries LPAR / sPAPR hardware init */ 70853018216SPaolo Bonzini static void ppc_spapr_init(QEMUMachineInitArgs *args) 70953018216SPaolo Bonzini { 71053018216SPaolo Bonzini ram_addr_t ram_size = args->ram_size; 71153018216SPaolo Bonzini const char *cpu_model = args->cpu_model; 71253018216SPaolo Bonzini const char *kernel_filename = args->kernel_filename; 71353018216SPaolo Bonzini const char *kernel_cmdline = args->kernel_cmdline; 71453018216SPaolo Bonzini const char *initrd_filename = args->initrd_filename; 71553018216SPaolo Bonzini const char *boot_device = args->boot_device; 71653018216SPaolo Bonzini PowerPCCPU *cpu; 71753018216SPaolo Bonzini CPUPPCState *env; 71853018216SPaolo Bonzini PCIHostState *phb; 71953018216SPaolo Bonzini int i; 72053018216SPaolo Bonzini MemoryRegion *sysmem = get_system_memory(); 72153018216SPaolo Bonzini MemoryRegion *ram = g_new(MemoryRegion, 1); 72253018216SPaolo Bonzini hwaddr rma_alloc_size; 72353018216SPaolo Bonzini uint32_t initrd_base = 0; 72453018216SPaolo Bonzini long kernel_size = 0, initrd_size = 0; 72553018216SPaolo Bonzini long load_limit, rtas_limit, fw_size; 72653018216SPaolo Bonzini char *filename; 72753018216SPaolo Bonzini 72853018216SPaolo Bonzini msi_supported = true; 72953018216SPaolo Bonzini 73053018216SPaolo Bonzini spapr = g_malloc0(sizeof(*spapr)); 73153018216SPaolo Bonzini QLIST_INIT(&spapr->phbs); 73253018216SPaolo Bonzini 73353018216SPaolo Bonzini cpu_ppc_hypercall = emulate_spapr_hypercall; 73453018216SPaolo Bonzini 73553018216SPaolo Bonzini /* Allocate RMA if necessary */ 73653018216SPaolo Bonzini rma_alloc_size = kvmppc_alloc_rma("ppc_spapr.rma", sysmem); 73753018216SPaolo Bonzini 73853018216SPaolo Bonzini if (rma_alloc_size == -1) { 73953018216SPaolo Bonzini hw_error("qemu: Unable to create RMA\n"); 74053018216SPaolo Bonzini exit(1); 74153018216SPaolo Bonzini } 74253018216SPaolo Bonzini 74353018216SPaolo Bonzini if (rma_alloc_size && (rma_alloc_size < ram_size)) { 74453018216SPaolo Bonzini spapr->rma_size = rma_alloc_size; 74553018216SPaolo Bonzini } else { 74653018216SPaolo Bonzini spapr->rma_size = ram_size; 74753018216SPaolo Bonzini 74853018216SPaolo Bonzini /* With KVM, we don't actually know whether KVM supports an 74953018216SPaolo Bonzini * unbounded RMA (PR KVM) or is limited by the hash table size 75053018216SPaolo Bonzini * (HV KVM using VRMA), so we always assume the latter 75153018216SPaolo Bonzini * 75253018216SPaolo Bonzini * In that case, we also limit the initial allocations for RTAS 75353018216SPaolo Bonzini * etc... to 256M since we have no way to know what the VRMA size 75453018216SPaolo Bonzini * is going to be as it depends on the size of the hash table 75553018216SPaolo Bonzini * isn't determined yet. 75653018216SPaolo Bonzini */ 75753018216SPaolo Bonzini if (kvm_enabled()) { 75853018216SPaolo Bonzini spapr->vrma_adjust = 1; 75953018216SPaolo Bonzini spapr->rma_size = MIN(spapr->rma_size, 0x10000000); 76053018216SPaolo Bonzini } 76153018216SPaolo Bonzini } 76253018216SPaolo Bonzini 76353018216SPaolo Bonzini /* We place the device tree and RTAS just below either the top of the RMA, 76453018216SPaolo Bonzini * or just below 2GB, whichever is lowere, so that it can be 76553018216SPaolo Bonzini * processed with 32-bit real mode code if necessary */ 76653018216SPaolo Bonzini rtas_limit = MIN(spapr->rma_size, 0x80000000); 76753018216SPaolo Bonzini spapr->rtas_addr = rtas_limit - RTAS_MAX_SIZE; 76853018216SPaolo Bonzini spapr->fdt_addr = spapr->rtas_addr - FDT_MAX_SIZE; 76953018216SPaolo Bonzini load_limit = spapr->fdt_addr - FW_OVERHEAD; 77053018216SPaolo Bonzini 77153018216SPaolo Bonzini /* We aim for a hash table of size 1/128 the size of RAM. The 77253018216SPaolo Bonzini * normal rule of thumb is 1/64 the size of RAM, but that's much 77353018216SPaolo Bonzini * more than needed for the Linux guests we support. */ 77453018216SPaolo Bonzini spapr->htab_shift = 18; /* Minimum architected size */ 77553018216SPaolo Bonzini while (spapr->htab_shift <= 46) { 77653018216SPaolo Bonzini if ((1ULL << (spapr->htab_shift + 7)) >= ram_size) { 77753018216SPaolo Bonzini break; 77853018216SPaolo Bonzini } 77953018216SPaolo Bonzini spapr->htab_shift++; 78053018216SPaolo Bonzini } 78153018216SPaolo Bonzini 78253018216SPaolo Bonzini /* init CPUs */ 78353018216SPaolo Bonzini if (cpu_model == NULL) { 78453018216SPaolo Bonzini cpu_model = kvm_enabled() ? "host" : "POWER7"; 78553018216SPaolo Bonzini } 78653018216SPaolo Bonzini for (i = 0; i < smp_cpus; i++) { 78753018216SPaolo Bonzini cpu = cpu_ppc_init(cpu_model); 78853018216SPaolo Bonzini if (cpu == NULL) { 78953018216SPaolo Bonzini fprintf(stderr, "Unable to find PowerPC CPU definition\n"); 79053018216SPaolo Bonzini exit(1); 79153018216SPaolo Bonzini } 79253018216SPaolo Bonzini env = &cpu->env; 79353018216SPaolo Bonzini 79453018216SPaolo Bonzini /* Set time-base frequency to 512 MHz */ 79553018216SPaolo Bonzini cpu_ppc_tb_init(env, TIMEBASE_FREQ); 79653018216SPaolo Bonzini 79753018216SPaolo Bonzini /* PAPR always has exception vectors in RAM not ROM */ 79853018216SPaolo Bonzini env->hreset_excp_prefix = 0; 79953018216SPaolo Bonzini 80053018216SPaolo Bonzini /* Tell KVM that we're in PAPR mode */ 80153018216SPaolo Bonzini if (kvm_enabled()) { 80253018216SPaolo Bonzini kvmppc_set_papr(cpu); 80353018216SPaolo Bonzini } 80453018216SPaolo Bonzini 80553018216SPaolo Bonzini qemu_register_reset(spapr_cpu_reset, cpu); 80653018216SPaolo Bonzini } 80753018216SPaolo Bonzini 80853018216SPaolo Bonzini /* allocate RAM */ 80953018216SPaolo Bonzini spapr->ram_limit = ram_size; 81053018216SPaolo Bonzini if (spapr->ram_limit > rma_alloc_size) { 81153018216SPaolo Bonzini ram_addr_t nonrma_base = rma_alloc_size; 81253018216SPaolo Bonzini ram_addr_t nonrma_size = spapr->ram_limit - rma_alloc_size; 81353018216SPaolo Bonzini 81453018216SPaolo Bonzini memory_region_init_ram(ram, "ppc_spapr.ram", nonrma_size); 81553018216SPaolo Bonzini vmstate_register_ram_global(ram); 81653018216SPaolo Bonzini memory_region_add_subregion(sysmem, nonrma_base, ram); 81753018216SPaolo Bonzini } 81853018216SPaolo Bonzini 81953018216SPaolo Bonzini filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin"); 82053018216SPaolo Bonzini spapr->rtas_size = load_image_targphys(filename, spapr->rtas_addr, 82153018216SPaolo Bonzini rtas_limit - spapr->rtas_addr); 82253018216SPaolo Bonzini if (spapr->rtas_size < 0) { 82353018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 82453018216SPaolo Bonzini exit(1); 82553018216SPaolo Bonzini } 82653018216SPaolo Bonzini if (spapr->rtas_size > RTAS_MAX_SIZE) { 82753018216SPaolo Bonzini hw_error("RTAS too big ! 0x%lx bytes (max is 0x%x)\n", 82853018216SPaolo Bonzini spapr->rtas_size, RTAS_MAX_SIZE); 82953018216SPaolo Bonzini exit(1); 83053018216SPaolo Bonzini } 83153018216SPaolo Bonzini g_free(filename); 83253018216SPaolo Bonzini 83353018216SPaolo Bonzini 83453018216SPaolo Bonzini /* Set up Interrupt Controller */ 83553018216SPaolo Bonzini spapr->icp = xics_system_init(XICS_IRQS); 83653018216SPaolo Bonzini spapr->next_irq = XICS_IRQ_BASE; 83753018216SPaolo Bonzini 83853018216SPaolo Bonzini /* Set up EPOW events infrastructure */ 83953018216SPaolo Bonzini spapr_events_init(spapr); 84053018216SPaolo Bonzini 84153018216SPaolo Bonzini /* Set up IOMMU */ 84253018216SPaolo Bonzini spapr_iommu_init(); 84353018216SPaolo Bonzini 84453018216SPaolo Bonzini /* Set up VIO bus */ 84553018216SPaolo Bonzini spapr->vio_bus = spapr_vio_bus_init(); 84653018216SPaolo Bonzini 84753018216SPaolo Bonzini for (i = 0; i < MAX_SERIAL_PORTS; i++) { 84853018216SPaolo Bonzini if (serial_hds[i]) { 84953018216SPaolo Bonzini spapr_vty_create(spapr->vio_bus, serial_hds[i]); 85053018216SPaolo Bonzini } 85153018216SPaolo Bonzini } 85253018216SPaolo Bonzini 85353018216SPaolo Bonzini /* We always have at least the nvram device on VIO */ 85453018216SPaolo Bonzini spapr_create_nvram(spapr); 85553018216SPaolo Bonzini 85653018216SPaolo Bonzini /* Set up PCI */ 85753018216SPaolo Bonzini spapr_pci_rtas_init(); 85853018216SPaolo Bonzini 859*89dfd6e1SDavid Gibson phb = spapr_create_phb(spapr, 0); 86053018216SPaolo Bonzini 86153018216SPaolo Bonzini for (i = 0; i < nb_nics; i++) { 86253018216SPaolo Bonzini NICInfo *nd = &nd_table[i]; 86353018216SPaolo Bonzini 86453018216SPaolo Bonzini if (!nd->model) { 86553018216SPaolo Bonzini nd->model = g_strdup("ibmveth"); 86653018216SPaolo Bonzini } 86753018216SPaolo Bonzini 86853018216SPaolo Bonzini if (strcmp(nd->model, "ibmveth") == 0) { 86953018216SPaolo Bonzini spapr_vlan_create(spapr->vio_bus, nd); 87053018216SPaolo Bonzini } else { 87153018216SPaolo Bonzini pci_nic_init_nofail(&nd_table[i], nd->model, NULL); 87253018216SPaolo Bonzini } 87353018216SPaolo Bonzini } 87453018216SPaolo Bonzini 87553018216SPaolo Bonzini for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) { 87653018216SPaolo Bonzini spapr_vscsi_create(spapr->vio_bus); 87753018216SPaolo Bonzini } 87853018216SPaolo Bonzini 87953018216SPaolo Bonzini /* Graphics */ 88053018216SPaolo Bonzini if (spapr_vga_init(phb->bus)) { 88153018216SPaolo Bonzini spapr->has_graphics = true; 88253018216SPaolo Bonzini } 88353018216SPaolo Bonzini 88453018216SPaolo Bonzini if (usb_enabled(spapr->has_graphics)) { 88553018216SPaolo Bonzini pci_create_simple(phb->bus, -1, "pci-ohci"); 88653018216SPaolo Bonzini if (spapr->has_graphics) { 88753018216SPaolo Bonzini usbdevice_create("keyboard"); 88853018216SPaolo Bonzini usbdevice_create("mouse"); 88953018216SPaolo Bonzini } 89053018216SPaolo Bonzini } 89153018216SPaolo Bonzini 89253018216SPaolo Bonzini if (spapr->rma_size < (MIN_RMA_SLOF << 20)) { 89353018216SPaolo Bonzini fprintf(stderr, "qemu: pSeries SLOF firmware requires >= " 89453018216SPaolo Bonzini "%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF); 89553018216SPaolo Bonzini exit(1); 89653018216SPaolo Bonzini } 89753018216SPaolo Bonzini 89853018216SPaolo Bonzini if (kernel_filename) { 89953018216SPaolo Bonzini uint64_t lowaddr = 0; 90053018216SPaolo Bonzini 90153018216SPaolo Bonzini kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, 90253018216SPaolo Bonzini NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0); 90353018216SPaolo Bonzini if (kernel_size < 0) { 90453018216SPaolo Bonzini kernel_size = load_image_targphys(kernel_filename, 90553018216SPaolo Bonzini KERNEL_LOAD_ADDR, 90653018216SPaolo Bonzini load_limit - KERNEL_LOAD_ADDR); 90753018216SPaolo Bonzini } 90853018216SPaolo Bonzini if (kernel_size < 0) { 90953018216SPaolo Bonzini fprintf(stderr, "qemu: could not load kernel '%s'\n", 91053018216SPaolo Bonzini kernel_filename); 91153018216SPaolo Bonzini exit(1); 91253018216SPaolo Bonzini } 91353018216SPaolo Bonzini 91453018216SPaolo Bonzini /* load initrd */ 91553018216SPaolo Bonzini if (initrd_filename) { 91653018216SPaolo Bonzini /* Try to locate the initrd in the gap between the kernel 91753018216SPaolo Bonzini * and the firmware. Add a bit of space just in case 91853018216SPaolo Bonzini */ 91953018216SPaolo Bonzini initrd_base = (KERNEL_LOAD_ADDR + kernel_size + 0x1ffff) & ~0xffff; 92053018216SPaolo Bonzini initrd_size = load_image_targphys(initrd_filename, initrd_base, 92153018216SPaolo Bonzini load_limit - initrd_base); 92253018216SPaolo Bonzini if (initrd_size < 0) { 92353018216SPaolo Bonzini fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", 92453018216SPaolo Bonzini initrd_filename); 92553018216SPaolo Bonzini exit(1); 92653018216SPaolo Bonzini } 92753018216SPaolo Bonzini } else { 92853018216SPaolo Bonzini initrd_base = 0; 92953018216SPaolo Bonzini initrd_size = 0; 93053018216SPaolo Bonzini } 93153018216SPaolo Bonzini } 93253018216SPaolo Bonzini 93353018216SPaolo Bonzini filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, FW_FILE_NAME); 93453018216SPaolo Bonzini fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE); 93553018216SPaolo Bonzini if (fw_size < 0) { 93653018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 93753018216SPaolo Bonzini exit(1); 93853018216SPaolo Bonzini } 93953018216SPaolo Bonzini g_free(filename); 94053018216SPaolo Bonzini 94153018216SPaolo Bonzini spapr->entry_point = 0x100; 94253018216SPaolo Bonzini 94353018216SPaolo Bonzini /* Prepare the device tree */ 94453018216SPaolo Bonzini spapr->fdt_skel = spapr_create_fdt_skel(cpu_model, 94553018216SPaolo Bonzini initrd_base, initrd_size, 94653018216SPaolo Bonzini kernel_size, 94753018216SPaolo Bonzini boot_device, kernel_cmdline, 94853018216SPaolo Bonzini spapr->epow_irq); 94953018216SPaolo Bonzini assert(spapr->fdt_skel != NULL); 95053018216SPaolo Bonzini } 95153018216SPaolo Bonzini 95253018216SPaolo Bonzini static QEMUMachine spapr_machine = { 95353018216SPaolo Bonzini .name = "pseries", 95453018216SPaolo Bonzini .desc = "pSeries Logical Partition (PAPR compliant)", 95553018216SPaolo Bonzini .init = ppc_spapr_init, 95653018216SPaolo Bonzini .reset = ppc_spapr_reset, 95753018216SPaolo Bonzini .block_default_type = IF_SCSI, 95853018216SPaolo Bonzini .max_cpus = MAX_CPUS, 95953018216SPaolo Bonzini .no_parallel = 1, 96053018216SPaolo Bonzini .boot_order = NULL, 96153018216SPaolo Bonzini }; 96253018216SPaolo Bonzini 96353018216SPaolo Bonzini static void spapr_machine_init(void) 96453018216SPaolo Bonzini { 96553018216SPaolo Bonzini qemu_register_machine(&spapr_machine); 96653018216SPaolo Bonzini } 96753018216SPaolo Bonzini 96853018216SPaolo Bonzini machine_init(spapr_machine_init); 969