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authorPaolo Bonzini <pbonzini@redhat.com>2013-02-05 12:03:15 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-03-01 15:01:19 +0100
commit530182169e897c0e401b245552a4c58dc6846912 (patch)
tree8c39251d7e89855a89d925359f71639400782cd6 /hw/spapr.c
parente4c8b28cde12d01ada8fe869567dc5717a2dfcb7 (diff)
hw: move boards and other isolated files to hw/ARCH
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/spapr.c')
-rw-r--r--hw/spapr.c963
1 files changed, 0 insertions, 963 deletions
diff --git a/hw/spapr.c b/hw/spapr.c
deleted file mode 100644
index 2709c660c1..0000000000
--- a/hw/spapr.c
+++ /dev/null
@@ -1,963 +0,0 @@
-/*
- * QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator
- *
- * Copyright (c) 2004-2007 Fabrice Bellard
- * Copyright (c) 2007 Jocelyn Mayer
- * Copyright (c) 2010 David Gibson, IBM Corporation.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- */
-#include "sysemu/sysemu.h"
-#include "hw/hw.h"
-#include "elf.h"
-#include "net/net.h"
-#include "sysemu/blockdev.h"
-#include "sysemu/cpus.h"
-#include "sysemu/kvm.h"
-#include "kvm_ppc.h"
-
-#include "hw/boards.h"
-#include "hw/ppc.h"
-#include "hw/loader.h"
-
-#include "hw/spapr.h"
-#include "hw/spapr_vio.h"
-#include "hw/spapr_pci.h"
-#include "hw/xics.h"
-#include "hw/pci/msi.h"
-
-#include "sysemu/kvm.h"
-#include "kvm_ppc.h"
-#include "hw/pci/pci.h"
-
-#include "exec/address-spaces.h"
-#include "hw/usb.h"
-#include "qemu/config-file.h"
-
-#include <libfdt.h>
-
-/* SLOF memory layout:
- *
- * SLOF raw image loaded at 0, copies its romfs right below the flat
- * device-tree, then position SLOF itself 31M below that
- *
- * So we set FW_OVERHEAD to 40MB which should account for all of that
- * and more
- *
- * We load our kernel at 4M, leaving space for SLOF initial image
- */
-#define FDT_MAX_SIZE 0x10000
-#define RTAS_MAX_SIZE 0x10000
-#define FW_MAX_SIZE 0x400000
-#define FW_FILE_NAME "slof.bin"
-#define FW_OVERHEAD 0x2800000
-#define KERNEL_LOAD_ADDR FW_MAX_SIZE
-
-#define MIN_RMA_SLOF 128UL
-
-#define TIMEBASE_FREQ 512000000ULL
-
-#define MAX_CPUS 256
-#define XICS_IRQS 1024
-
-#define PHANDLE_XICP 0x00001111
-
-#define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift))
-
-sPAPREnvironment *spapr;
-
-int spapr_allocate_irq(int hint, bool lsi)
-{
- int irq;
-
- if (hint) {
- irq = hint;
- /* FIXME: we should probably check for collisions somehow */
- } else {
- irq = spapr->next_irq++;
- }
-
- /* Configure irq type */
- if (!xics_get_qirq(spapr->icp, irq)) {
- return 0;
- }
-
- xics_set_irq_type(spapr->icp, irq, lsi);
-
- return irq;
-}
-
-/* Allocate block of consequtive IRQs, returns a number of the first */
-int spapr_allocate_irq_block(int num, bool lsi)
-{
- int first = -1;
- int i;
-
- for (i = 0; i < num; ++i) {
- int irq;
-
- irq = spapr_allocate_irq(0, lsi);
- if (!irq) {
- return -1;
- }
-
- if (0 == i) {
- first = irq;
- }
-
- /* If the above doesn't create a consecutive block then that's
- * an internal bug */
- assert(irq == (first + i));
- }
-
- return first;
-}
-
-static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr)
-{
- int ret = 0, offset;
- CPUPPCState *env;
- CPUState *cpu;
- char cpu_model[32];
- int smt = kvmppc_smt_threads();
- uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)};
-
- assert(spapr->cpu_model);
-
- for (env = first_cpu; env != NULL; env = env->next_cpu) {
- cpu = CPU(ppc_env_get_cpu(env));
- uint32_t associativity[] = {cpu_to_be32(0x5),
- cpu_to_be32(0x0),
- cpu_to_be32(0x0),
- cpu_to_be32(0x0),
- cpu_to_be32(cpu->numa_node),
- cpu_to_be32(cpu->cpu_index)};
-
- if ((cpu->cpu_index % smt) != 0) {
- continue;
- }
-
- snprintf(cpu_model, 32, "/cpus/%s@%x", spapr->cpu_model,
- cpu->cpu_index);
-
- offset = fdt_path_offset(fdt, cpu_model);
- if (offset < 0) {
- return offset;
- }
-
- if (nb_numa_nodes > 1) {
- ret = fdt_setprop(fdt, offset, "ibm,associativity", associativity,
- sizeof(associativity));
- if (ret < 0) {
- return ret;
- }
- }
-
- ret = fdt_setprop(fdt, offset, "ibm,pft-size",
- pft_size_prop, sizeof(pft_size_prop));
- if (ret < 0) {
- return ret;
- }
- }
- return ret;
-}
-
-
-static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop,
- size_t maxsize)
-{
- size_t maxcells = maxsize / sizeof(uint32_t);
- int i, j, count;
- uint32_t *p = prop;
-
- for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) {
- struct ppc_one_seg_page_size *sps = &env->sps.sps[i];
-
- if (!sps->page_shift) {
- break;
- }
- for (count = 0; count < PPC_PAGE_SIZES_MAX_SZ; count++) {
- if (sps->enc[count].page_shift == 0) {
- break;
- }
- }
- if ((p - prop) >= (maxcells - 3 - count * 2)) {
- break;
- }
- *(p++) = cpu_to_be32(sps->page_shift);
- *(p++) = cpu_to_be32(sps->slb_enc);
- *(p++) = cpu_to_be32(count);
- for (j = 0; j < count; j++) {
- *(p++) = cpu_to_be32(sps->enc[j].page_shift);
- *(p++) = cpu_to_be32(sps->enc[j].pte_enc);
- }
- }
-
- return (p - prop) * sizeof(uint32_t);
-}
-
-#define _FDT(exp) \
- do { \
- int ret = (exp); \
- if (ret < 0) { \
- fprintf(stderr, "qemu: error creating device tree: %s: %s\n", \
- #exp, fdt_strerror(ret)); \
- exit(1); \
- } \
- } while (0)
-
-
-static void *spapr_create_fdt_skel(const char *cpu_model,
- hwaddr initrd_base,
- hwaddr initrd_size,
- hwaddr kernel_size,
- const char *boot_device,
- const char *kernel_cmdline,
- uint32_t epow_irq)
-{
- void *fdt;
- CPUPPCState *env;
- uint32_t start_prop = cpu_to_be32(initrd_base);
- uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size);
- char hypertas_prop[] = "hcall-pft\0hcall-term\0hcall-dabr\0hcall-interrupt"
- "\0hcall-tce\0hcall-vio\0hcall-splpar\0hcall-bulk";
- char qemu_hypertas_prop[] = "hcall-memop1";
- uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)};
- uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)};
- char *modelname;
- int i, smt = kvmppc_smt_threads();
- unsigned char vec5[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80};
-
- fdt = g_malloc0(FDT_MAX_SIZE);
- _FDT((fdt_create(fdt, FDT_MAX_SIZE)));
-
- if (kernel_size) {
- _FDT((fdt_add_reservemap_entry(fdt, KERNEL_LOAD_ADDR, kernel_size)));
- }
- if (initrd_size) {
- _FDT((fdt_add_reservemap_entry(fdt, initrd_base, initrd_size)));
- }
- _FDT((fdt_finish_reservemap(fdt)));
-
- /* Root node */
- _FDT((fdt_begin_node(fdt, "")));
- _FDT((fdt_property_string(fdt, "device_type", "chrp")));
- _FDT((fdt_property_string(fdt, "model", "IBM pSeries (emulated by qemu)")));
-
- _FDT((fdt_property_cell(fdt, "#address-cells", 0x2)));
- _FDT((fdt_property_cell(fdt, "#size-cells", 0x2)));
-
- /* /chosen */
- _FDT((fdt_begin_node(fdt, "chosen")));
-
- /* Set Form1_affinity */
- _FDT((fdt_property(fdt, "ibm,architecture-vec-5", vec5, sizeof(vec5))));
-
- _FDT((fdt_property_string(fdt, "bootargs", kernel_cmdline)));
- _FDT((fdt_property(fdt, "linux,initrd-start",
- &start_prop, sizeof(start_prop))));
- _FDT((fdt_property(fdt, "linux,initrd-end",
- &end_prop, sizeof(end_prop))));
- if (kernel_size) {
- uint64_t kprop[2] = { cpu_to_be64(KERNEL_LOAD_ADDR),
- cpu_to_be64(kernel_size) };
-
- _FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop))));
- }
- if (boot_device) {
- _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device)));
- }
- _FDT((fdt_property_cell(fdt, "qemu,graphic-width", graphic_width)));
- _FDT((fdt_property_cell(fdt, "qemu,graphic-height", graphic_height)));
- _FDT((fdt_property_cell(fdt, "qemu,graphic-depth", graphic_depth)));
-
- _FDT((fdt_end_node(fdt)));
-
- /* cpus */
- _FDT((fdt_begin_node(fdt, "cpus")));
-
- _FDT((fdt_property_cell(fdt, "#address-cells", 0x1)));
- _FDT((fdt_property_cell(fdt, "#size-cells", 0x0)));
-
- modelname = g_strdup(cpu_model);
-
- for (i = 0; i < strlen(modelname); i++) {
- modelname[i] = toupper(modelname[i]);
- }
-
- /* This is needed during FDT finalization */
- spapr->cpu_model = g_strdup(modelname);
-
- for (env = first_cpu; env != NULL; env = env->next_cpu) {
- CPUState *cpu = CPU(ppc_env_get_cpu(env));
- int index = cpu->cpu_index;
- uint32_t servers_prop[smp_threads];
- uint32_t gservers_prop[smp_threads * 2];
- char *nodename;
- uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40),
- 0xffffffff, 0xffffffff};
- uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ;
- uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000;
- uint32_t page_sizes_prop[64];
- size_t page_sizes_prop_size;
-
- if ((index % smt) != 0) {
- continue;
- }
-
- nodename = g_strdup_printf("%s@%x", modelname, index);
-
- _FDT((fdt_begin_node(fdt, nodename)));
-
- g_free(nodename);
-
- _FDT((fdt_property_cell(fdt, "reg", index)));
- _FDT((fdt_property_string(fdt, "device_type", "cpu")));
-
- _FDT((fdt_property_cell(fdt, "cpu-version", env->spr[SPR_PVR])));
- _FDT((fdt_property_cell(fdt, "dcache-block-size",
- env->dcache_line_size)));
- _FDT((fdt_property_cell(fdt, "icache-block-size",
- env->icache_line_size)));
- _FDT((fdt_property_cell(fdt, "timebase-frequency", tbfreq)));
- _FDT((fdt_property_cell(fdt, "clock-frequency", cpufreq)));
- _FDT((fdt_property_cell(fdt, "ibm,slb-size", env->slb_nr)));
- _FDT((fdt_property_string(fdt, "status", "okay")));
- _FDT((fdt_property(fdt, "64-bit", NULL, 0)));
-
- /* Build interrupt servers and gservers properties */
- for (i = 0; i < smp_threads; i++) {
- servers_prop[i] = cpu_to_be32(index + i);
- /* Hack, direct the group queues back to cpu 0 */
- gservers_prop[i*2] = cpu_to_be32(index + i);
- gservers_prop[i*2 + 1] = 0;
- }
- _FDT((fdt_property(fdt, "ibm,ppc-interrupt-server#s",
- servers_prop, sizeof(servers_prop))));
- _FDT((fdt_property(fdt, "ibm,ppc-interrupt-gserver#s",
- gservers_prop, sizeof(gservers_prop))));
-
- if (env->mmu_model & POWERPC_MMU_1TSEG) {
- _FDT((fdt_property(fdt, "ibm,processor-segment-sizes",
- segs, sizeof(segs))));
- }
-
- /* Advertise VMX/VSX (vector extensions) if available
- * 0 / no property == no vector extensions
- * 1 == VMX / Altivec available
- * 2 == VSX available */
- if (env->insns_flags & PPC_ALTIVEC) {
- uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1;
-
- _FDT((fdt_property_cell(fdt, "ibm,vmx", vmx)));
- }
-
- /* Advertise DFP (Decimal Floating Point) if available
- * 0 / no property == no DFP
- * 1 == DFP available */
- if (env->insns_flags2 & PPC2_DFP) {
- _FDT((fdt_property_cell(fdt, "ibm,dfp", 1)));
- }
-
- page_sizes_prop_size = create_page_sizes_prop(env, page_sizes_prop,
- sizeof(page_sizes_prop));
- if (page_sizes_prop_size) {
- _FDT((fdt_property(fdt, "ibm,segment-page-sizes",
- page_sizes_prop, page_sizes_prop_size)));
- }
-
- _FDT((fdt_end_node(fdt)));
- }
-
- g_free(modelname);
-
- _FDT((fdt_end_node(fdt)));
-
- /* RTAS */
- _FDT((fdt_begin_node(fdt, "rtas")));
-
- _FDT((fdt_property(fdt, "ibm,hypertas-functions", hypertas_prop,
- sizeof(hypertas_prop))));
- _FDT((fdt_property(fdt, "qemu,hypertas-functions", qemu_hypertas_prop,
- sizeof(qemu_hypertas_prop))));
-
- _FDT((fdt_property(fdt, "ibm,associativity-reference-points",
- refpoints, sizeof(refpoints))));
-
- _FDT((fdt_property_cell(fdt, "rtas-error-log-max", RTAS_ERROR_LOG_MAX)));
-
- _FDT((fdt_end_node(fdt)));
-
- /* interrupt controller */
- _FDT((fdt_begin_node(fdt, "interrupt-controller")));
-
- _FDT((fdt_property_string(fdt, "device_type",
- "PowerPC-External-Interrupt-Presentation")));
- _FDT((fdt_property_string(fdt, "compatible", "IBM,ppc-xicp")));
- _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0)));
- _FDT((fdt_property(fdt, "ibm,interrupt-server-ranges",
- interrupt_server_ranges_prop,
- sizeof(interrupt_server_ranges_prop))));
- _FDT((fdt_property_cell(fdt, "#interrupt-cells", 2)));
- _FDT((fdt_property_cell(fdt, "linux,phandle", PHANDLE_XICP)));
- _FDT((fdt_property_cell(fdt, "phandle", PHANDLE_XICP)));
-
- _FDT((fdt_end_node(fdt)));
-
- /* vdevice */
- _FDT((fdt_begin_node(fdt, "vdevice")));
-
- _FDT((fdt_property_string(fdt, "device_type", "vdevice")));
- _FDT((fdt_property_string(fdt, "compatible", "IBM,vdevice")));
- _FDT((fdt_property_cell(fdt, "#address-cells", 0x1)));
- _FDT((fdt_property_cell(fdt, "#size-cells", 0x0)));
- _FDT((fdt_property_cell(fdt, "#interrupt-cells", 0x2)));
- _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0)));
-
- _FDT((fdt_end_node(fdt)));
-
- /* event-sources */
- spapr_events_fdt_skel(fdt, epow_irq);
-
- _FDT((fdt_end_node(fdt))); /* close root node */
- _FDT((fdt_finish(fdt)));
-
- return fdt;
-}
-
-static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt)
-{
- uint32_t associativity[] = {cpu_to_be32(0x4), cpu_to_be32(0x0),
- cpu_to_be32(0x0), cpu_to_be32(0x0),
- cpu_to_be32(0x0)};
- char mem_name[32];
- hwaddr node0_size, mem_start;
- uint64_t mem_reg_property[2];
- int i, off;
-
- /* memory node(s) */
- node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size;
- if (spapr->rma_size > node0_size) {
- spapr->rma_size = node0_size;
- }
-
- /* RMA */
- mem_reg_property[0] = 0;
- mem_reg_property[1] = cpu_to_be64(spapr->rma_size);
- off = fdt_add_subnode(fdt, 0, "memory@0");
- _FDT(off);
- _FDT((fdt_setprop_string(fdt, off, "device_type", "memory")));
- _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property,
- sizeof(mem_reg_property))));
- _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity,
- sizeof(associativity))));
-
- /* RAM: Node 0 */
- if (node0_size > spapr->rma_size) {
- mem_reg_property[0] = cpu_to_be64(spapr->rma_size);
- mem_reg_property[1] = cpu_to_be64(node0_size - spapr->rma_size);
-
- sprintf(mem_name, "memory@" TARGET_FMT_lx, spapr->rma_size);
- off = fdt_add_subnode(fdt, 0, mem_name);
- _FDT(off);
- _FDT((fdt_setprop_string(fdt, off, "device_type", "memory")));
- _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property,
- sizeof(mem_reg_property))));
- _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity,
- sizeof(associativity))));
- }
-
- /* RAM: Node 1 and beyond */
- mem_start = node0_size;
- for (i = 1; i < nb_numa_nodes; i++) {
- mem_reg_property[0] = cpu_to_be64(mem_start);
- mem_reg_property[1] = cpu_to_be64(node_mem[i]);
- associativity[3] = associativity[4] = cpu_to_be32(i);
- sprintf(mem_name, "memory@" TARGET_FMT_lx, mem_start);
- off = fdt_add_subnode(fdt, 0, mem_name);
- _FDT(off);
- _FDT((fdt_setprop_string(fdt, off, "device_type", "memory")));
- _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property,
- sizeof(mem_reg_property))));
- _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity,
- sizeof(associativity))));
- mem_start += node_mem[i];
- }
-
- return 0;
-}
-
-static void spapr_finalize_fdt(sPAPREnvironment *spapr,
- hwaddr fdt_addr,
- hwaddr rtas_addr,
- hwaddr rtas_size)
-{
- int ret;
- void *fdt;
- sPAPRPHBState *phb;
-
- fdt = g_malloc(FDT_MAX_SIZE);
-
- /* open out the base tree into a temp buffer for the final tweaks */
- _FDT((fdt_open_into(spapr->fdt_skel, fdt, FDT_MAX_SIZE)));
-
- ret = spapr_populate_memory(spapr, fdt);
- if (ret < 0) {
- fprintf(stderr, "couldn't setup memory nodes in fdt\n");
- exit(1);
- }
-
- ret = spapr_populate_vdevice(spapr->vio_bus, fdt);
- if (ret < 0) {
- fprintf(stderr, "couldn't setup vio devices in fdt\n");
- exit(1);
- }
-
- QLIST_FOREACH(phb, &spapr->phbs, list) {
- ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt);
- }
-
- if (ret < 0) {
- fprintf(stderr, "couldn't setup PCI devices in fdt\n");
- exit(1);
- }
-
- /* RTAS */
- ret = spapr_rtas_device_tree_setup(fdt, rtas_addr, rtas_size);
- if (ret < 0) {
- fprintf(stderr, "Couldn't set up RTAS device tree properties\n");
- }
-
- /* Advertise NUMA via ibm,associativity */
- ret = spapr_fixup_cpu_dt(fdt, spapr);
- if (ret < 0) {
- fprintf(stderr, "Couldn't finalize CPU device tree properties\n");
- }
-
- if (!spapr->has_graphics) {
- spapr_populate_chosen_stdout(fdt, spapr->vio_bus);
- }
-
- _FDT((fdt_pack(fdt)));
-
- if (fdt_totalsize(fdt) > FDT_MAX_SIZE) {
- hw_error("FDT too big ! 0x%x bytes (max is 0x%x)\n",
- fdt_totalsize(fdt), FDT_MAX_SIZE);
- exit(1);
- }
-
- cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt));
-
- g_free(fdt);
-}
-
-static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
-{
- return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
-}
-
-static void emulate_spapr_hypercall(PowerPCCPU *cpu)
-{
- CPUPPCState *env = &cpu->env;
-
- if (msr_pr) {
- hcall_dprintf("Hypercall made with MSR[PR]=1\n");
- env->gpr[3] = H_PRIVILEGE;
- } else {
- env->gpr[3] = spapr_hypercall(cpu, env->gpr[3], &env->gpr[4]);
- }
-}
-
-static void spapr_reset_htab(sPAPREnvironment *spapr)
-{
- long shift;
-
- /* allocate hash page table. For now we always make this 16mb,
- * later we should probably make it scale to the size of guest
- * RAM */
-
- shift = kvmppc_reset_htab(spapr->htab_shift);
-
- if (shift > 0) {
- /* Kernel handles htab, we don't need to allocate one */
- spapr->htab_shift = shift;
- } else {
- if (!spapr->htab) {
- /* Allocate an htab if we don't yet have one */
- spapr->htab = qemu_memalign(HTAB_SIZE(spapr), HTAB_SIZE(spapr));
- }
-
- /* And clear it */
- memset(spapr->htab, 0, HTAB_SIZE(spapr));
- }
-
- /* Update the RMA size if necessary */
- if (spapr->vrma_adjust) {
- spapr->rma_size = kvmppc_rma_size(ram_size, spapr->htab_shift);
- }
-}
-
-static void ppc_spapr_reset(void)
-{
- /* Reset the hash table & recalc the RMA */
- spapr_reset_htab(spapr);
-
- qemu_devices_reset();
-
- /* Load the fdt */
- spapr_finalize_fdt(spapr, spapr->fdt_addr, spapr->rtas_addr,
- spapr->rtas_size);
-
- /* Set up the entry state */
- first_cpu->gpr[3] = spapr->fdt_addr;
- first_cpu->gpr[5] = 0;
- first_cpu->halted = 0;
- first_cpu->nip = spapr->entry_point;
-
-}
-
-static void spapr_cpu_reset(void *opaque)
-{
- PowerPCCPU *cpu = opaque;
- CPUPPCState *env = &cpu->env;
-
- cpu_reset(CPU(cpu));
-
- /* All CPUs start halted. CPU0 is unhalted from the machine level
- * reset code and the rest are explicitly started up by the guest
- * using an RTAS call */
- env->halted = 1;
-
- env->spr[SPR_HIOR] = 0;
-
- env->external_htab = spapr->htab;
- env->htab_base = -1;
- env->htab_mask = HTAB_SIZE(spapr) - 1;
- env->spr[SPR_SDR1] = (unsigned long)spapr->htab |
- (spapr->htab_shift - 18);
-}
-
-static void spapr_create_nvram(sPAPREnvironment *spapr)
-{
- QemuOpts *machine_opts;
- DeviceState *dev;
-
- dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram");
-
- machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
- if (machine_opts) {
- const char *drivename;
-
- drivename = qemu_opt_get(machine_opts, "nvram");
- if (drivename) {
- BlockDriverState *bs;
-
- bs = bdrv_find(drivename);
- if (!bs) {
- fprintf(stderr, "No such block device \"%s\" for nvram\n",
- drivename);
- exit(1);
- }
- qdev_prop_set_drive_nofail(dev, "drive", bs);
- }
- }
-
- qdev_init_nofail(dev);
-
- spapr->nvram = (struct sPAPRNVRAM *)dev;
-}
-
-/* Returns whether we want to use VGA or not */
-static int spapr_vga_init(PCIBus *pci_bus)
-{
- switch (vga_interface_type) {
- case VGA_NONE:
- case VGA_STD:
- return pci_vga_init(pci_bus) != NULL;
- default:
- fprintf(stderr, "This vga model is not supported,"
- "currently it only supports -vga std\n");
- exit(0);
- break;
- }
-}
-
-/* pSeries LPAR / sPAPR hardware init */
-static void ppc_spapr_init(QEMUMachineInitArgs *args)
-{
- ram_addr_t ram_size = args->ram_size;
- const char *cpu_model = args->cpu_model;
- const char *kernel_filename = args->kernel_filename;
- const char *kernel_cmdline = args->kernel_cmdline;
- const char *initrd_filename = args->initrd_filename;
- const char *boot_device = args->boot_device;
- PowerPCCPU *cpu;
- CPUPPCState *env;
- PCIHostState *phb;
- int i;
- MemoryRegion *sysmem = get_system_memory();
- MemoryRegion *ram = g_new(MemoryRegion, 1);
- hwaddr rma_alloc_size;
- uint32_t initrd_base = 0;
- long kernel_size = 0, initrd_size = 0;
- long load_limit, rtas_limit, fw_size;
- char *filename;
-
- msi_supported = true;
-
- spapr = g_malloc0(sizeof(*spapr));
- QLIST_INIT(&spapr->phbs);
-
- cpu_ppc_hypercall = emulate_spapr_hypercall;
-
- /* Allocate RMA if necessary */
- rma_alloc_size = kvmppc_alloc_rma("ppc_spapr.rma", sysmem);
-
- if (rma_alloc_size == -1) {
- hw_error("qemu: Unable to create RMA\n");
- exit(1);
- }
-
- if (rma_alloc_size && (rma_alloc_size < ram_size)) {
- spapr->rma_size = rma_alloc_size;
- } else {
- spapr->rma_size = ram_size;
-
- /* With KVM, we don't actually know whether KVM supports an
- * unbounded RMA (PR KVM) or is limited by the hash table size
- * (HV KVM using VRMA), so we always assume the latter
- *
- * In that case, we also limit the initial allocations for RTAS
- * etc... to 256M since we have no way to know what the VRMA size
- * is going to be as it depends on the size of the hash table
- * isn't determined yet.
- */
- if (kvm_enabled()) {
- spapr->vrma_adjust = 1;
- spapr->rma_size = MIN(spapr->rma_size, 0x10000000);
- }
- }
-
- /* We place the device tree and RTAS just below either the top of the RMA,
- * or just below 2GB, whichever is lowere, so that it can be
- * processed with 32-bit real mode code if necessary */
- rtas_limit = MIN(spapr->rma_size, 0x80000000);
- spapr->rtas_addr = rtas_limit - RTAS_MAX_SIZE;
- spapr->fdt_addr = spapr->rtas_addr - FDT_MAX_SIZE;
- load_limit = spapr->fdt_addr - FW_OVERHEAD;
-
- /* We aim for a hash table of size 1/128 the size of RAM. The
- * normal rule of thumb is 1/64 the size of RAM, but that's much
- * more than needed for the Linux guests we support. */
- spapr->htab_shift = 18; /* Minimum architected size */
- while (spapr->htab_shift <= 46) {
- if ((1ULL << (spapr->htab_shift + 7)) >= ram_size) {
- break;
- }
- spapr->htab_shift++;
- }
-
- /* init CPUs */
- if (cpu_model == NULL) {
- cpu_model = kvm_enabled() ? "host" : "POWER7";
- }
- for (i = 0; i < smp_cpus; i++) {
- cpu = cpu_ppc_init(cpu_model);
- if (cpu == NULL) {
- fprintf(stderr, "Unable to find PowerPC CPU definition\n");
- exit(1);
- }
- env = &cpu->env;
-
- /* Set time-base frequency to 512 MHz */
- cpu_ppc_tb_init(env, TIMEBASE_FREQ);
-
- /* PAPR always has exception vectors in RAM not ROM */
- env->hreset_excp_prefix = 0;
-
- /* Tell KVM that we're in PAPR mode */
- if (kvm_enabled()) {
- kvmppc_set_papr(cpu);
- }
-
- qemu_register_reset(spapr_cpu_reset, cpu);
- }
-
- /* allocate RAM */
- spapr->ram_limit = ram_size;
- if (spapr->ram_limit > rma_alloc_size) {
- ram_addr_t nonrma_base = rma_alloc_size;
- ram_addr_t nonrma_size = spapr->ram_limit - rma_alloc_size;
-
- memory_region_init_ram(ram, "ppc_spapr.ram", nonrma_size);
- vmstate_register_ram_global(ram);
- memory_region_add_subregion(sysmem, nonrma_base, ram);
- }
-
- filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin");
- spapr->rtas_size = load_image_targphys(filename, spapr->rtas_addr,
- rtas_limit - spapr->rtas_addr);
- if (spapr->rtas_size < 0) {
- hw_error("qemu: could not load LPAR rtas '%s'\n", filename);
- exit(1);
- }
- if (spapr->rtas_size > RTAS_MAX_SIZE) {
- hw_error("RTAS too big ! 0x%lx bytes (max is 0x%x)\n",
- spapr->rtas_size, RTAS_MAX_SIZE);
- exit(1);
- }
- g_free(filename);
-
-
- /* Set up Interrupt Controller */
- spapr->icp = xics_system_init(XICS_IRQS);
- spapr->next_irq = XICS_IRQ_BASE;
-
- /* Set up EPOW events infrastructure */
- spapr_events_init(spapr);
-
- /* Set up IOMMU */
- spapr_iommu_init();
-
- /* Set up VIO bus */
- spapr->vio_bus = spapr_vio_bus_init();
-
- for (i = 0; i < MAX_SERIAL_PORTS; i++) {
- if (serial_hds[i]) {
- spapr_vty_create(spapr->vio_bus, serial_hds[i]);
- }
- }
-
- /* We always have at least the nvram device on VIO */
- spapr_create_nvram(spapr);
-
- /* Set up PCI */
- spapr_pci_rtas_init();
-
- phb = spapr_create_phb(spapr, 0, "pci");
-
- for (i = 0; i < nb_nics; i++) {
- NICInfo *nd = &nd_table[i];
-
- if (!nd->model) {
- nd->model = g_strdup("ibmveth");
- }
-
- if (strcmp(nd->model, "ibmveth") == 0) {
- spapr_vlan_create(spapr->vio_bus, nd);
- } else {
- pci_nic_init_nofail(&nd_table[i], nd->model, NULL);
- }
- }
-
- for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) {
- spapr_vscsi_create(spapr->vio_bus);
- }
-
- /* Graphics */
- if (spapr_vga_init(phb->bus)) {
- spapr->has_graphics = true;
- }
-
- if (usb_enabled(spapr->has_graphics)) {
- pci_create_simple(phb->bus, -1, "pci-ohci");
- if (spapr->has_graphics) {
- usbdevice_create("keyboard");
- usbdevice_create("mouse");
- }
- }
-
- if (spapr->rma_size < (MIN_RMA_SLOF << 20)) {
- fprintf(stderr, "qemu: pSeries SLOF firmware requires >= "
- "%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF);
- exit(1);
- }
-
- if (kernel_filename) {
- uint64_t lowaddr = 0;
-
- kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
- NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
- if (kernel_size < 0) {
- kernel_size = load_image_targphys(kernel_filename,
- KERNEL_LOAD_ADDR,
- load_limit - KERNEL_LOAD_ADDR);
- }
- if (kernel_size < 0) {
- fprintf(stderr, "qemu: could not load kernel '%s'\n",
- kernel_filename);
- exit(1);
- }
-
- /* load initrd */
- if (initrd_filename) {
- /* Try to locate the initrd in the gap between the kernel
- * and the firmware. Add a bit of space just in case
- */
- initrd_base = (KERNEL_LOAD_ADDR + kernel_size + 0x1ffff) & ~0xffff;
- initrd_size = load_image_targphys(initrd_filename, initrd_base,
- load_limit - initrd_base);
- if (initrd_size < 0) {
- fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
- initrd_filename);
- exit(1);
- }
- } else {
- initrd_base = 0;
- initrd_size = 0;
- }
- }
-
- filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, FW_FILE_NAME);
- fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE);
- if (fw_size < 0) {
- hw_error("qemu: could not load LPAR rtas '%s'\n", filename);
- exit(1);
- }
- g_free(filename);
-
- spapr->entry_point = 0x100;
-
- /* Prepare the device tree */
- spapr->fdt_skel = spapr_create_fdt_skel(cpu_model,
- initrd_base, initrd_size,
- kernel_size,
- boot_device, kernel_cmdline,
- spapr->epow_irq);
- assert(spapr->fdt_skel != NULL);
-}
-
-static QEMUMachine spapr_machine = {
- .name = "pseries",
- .desc = "pSeries Logical Partition (PAPR compliant)",
- .init = ppc_spapr_init,
- .reset = ppc_spapr_reset,
- .block_default_type = IF_SCSI,
- .max_cpus = MAX_CPUS,
- .no_parallel = 1,
- .boot_order = NULL,
-};
-
-static void spapr_machine_init(void)
-{
- qemu_register_machine(&spapr_machine);
-}
-
-machine_init(spapr_machine_init);