#include "exec/address-spaces.h"
#include "hw/usb.h"
#include "qemu/config-file.h"
+#include "qemu/error-report.h"
#include <libfdt.h>
* it has to be aligned to num to support multiple
* MSI vectors. MSI-X is not affected by this.
* The hint is used for the first IRQ, the rest should
- * be allocated continously.
+ * be allocated continuously.
*/
if (msi) {
assert((num == 1) || (num == 2) || (num == 4) ||
CPU_FOREACH(cpu) {
DeviceClass *dc = DEVICE_GET_CLASS(cpu);
+ int index = ppc_get_vcpu_dt_id(POWERPC_CPU(cpu));
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)};
+ cpu_to_be32(index)};
- if ((cpu->cpu_index % smt) != 0) {
+ if ((index % smt) != 0) {
continue;
}
snprintf(cpu_model, 32, "/cpus/%s@%x", dc->fw_name,
- cpu->cpu_index);
+ index);
offset = fdt_path_offset(fdt, cpu_model);
if (offset < 0) {
CPUPPCState *env = &cpu->env;
DeviceClass *dc = DEVICE_GET_CLASS(cs);
PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs);
- int index = cs->cpu_index;
+ int index = ppc_get_vcpu_dt_id(cpu);
uint32_t servers_prop[smp_threads];
uint32_t gservers_prop[smp_threads * 2];
char *nodename;
cpu_to_be32(0x0), cpu_to_be32(0x0),
cpu_to_be32(0x0)};
char mem_name[32];
- hwaddr node0_size, mem_start;
+ hwaddr node0_size, mem_start, node_size;
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;
+ if (nb_numa_nodes > 1 && node_mem[0] < ram_size) {
+ node0_size = node_mem[0];
+ } else {
+ node0_size = ram_size;
}
/* RMA */
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]);
+ if (mem_start >= ram_size) {
+ node_size = 0;
+ } else {
+ node_size = node_mem[i];
+ if (node_size > ram_size - mem_start) {
+ node_size = ram_size - mem_start;
+ }
+ }
+ mem_reg_property[1] = cpu_to_be64(node_size);
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);
sizeof(mem_reg_property))));
_FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity,
sizeof(associativity))));
- mem_start += node_mem[i];
+ mem_start += node_size;
}
return 0;
if (shift > 0) {
/* Kernel handles htab, we don't need to allocate one */
spapr->htab_shift = shift;
+ kvmppc_kern_htab = true;
} else {
if (!spapr->htab) {
/* Allocate an htab if we don't yet have one */
/* Update the RMA size if necessary */
if (spapr->vrma_adjust) {
- spapr->rma_size = kvmppc_rma_size(ram_size, spapr->htab_shift);
+ hwaddr node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size;
+ spapr->rma_size = kvmppc_rma_size(node0_size, spapr->htab_shift);
}
}
env->spr[SPR_HIOR] = 0;
env->external_htab = (uint8_t *)spapr->htab;
+ if (kvm_enabled() && !env->external_htab) {
+ /*
+ * HV KVM, set external_htab to 1 so our ppc_hash64_load_hpte*
+ * functions do the right thing.
+ */
+ env->external_htab = (void *)1;
+ }
env->htab_base = -1;
- env->htab_mask = HTAB_SIZE(spapr) - 1;
+ /*
+ * htab_mask is the mask used to normalize hash value to PTEG index.
+ * htab_shift is log2 of hash table size.
+ * We have 8 hpte per group, and each hpte is 16 bytes.
+ * ie have 128 bytes per hpte entry.
+ */
+ env->htab_mask = (1ULL << ((spapr)->htab_shift - 7)) - 1;
env->spr[SPR_SDR1] = (target_ulong)(uintptr_t)spapr->htab |
(spapr->htab_shift - 18);
}
static void spapr_create_nvram(sPAPREnvironment *spapr)
{
DeviceState *dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram");
- const char *drivename = qemu_opt_get(qemu_get_machine_opts(), "nvram");
-
- if (drivename) {
- BlockDriverState *bs;
+ DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0);
- 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);
+ if (dinfo) {
+ qdev_prop_set_drive_nofail(dev, "drive", dinfo->bdrv);
}
qdev_init_nofail(dev);
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
hwaddr rma_alloc_size;
+ hwaddr node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size;
uint32_t initrd_base = 0;
long kernel_size = 0, initrd_size = 0;
long load_limit, rtas_limit, fw_size;
exit(1);
}
- if (rma_alloc_size && (rma_alloc_size < ram_size)) {
+ if (rma_alloc_size && (rma_alloc_size < node0_size)) {
spapr->rma_size = rma_alloc_size;
} else {
- spapr->rma_size = ram_size;
+ spapr->rma_size = node0_size;
/* With KVM, we don't actually know whether KVM supports an
* unbounded RMA (PR KVM) or is limited by the hash table size
}
}
+ if (spapr->rma_size > node0_size) {
+ fprintf(stderr, "Error: Numa node 0 has to span the RMA (%#08"HWADDR_PRIx")\n",
+ spapr->rma_size);
+ exit(1);
+ }
+
/* 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 */
kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
- if (kernel_size < 0) {
+ if (kernel_size == ELF_LOAD_WRONG_ENDIAN) {
kernel_size = load_elf(kernel_filename,
translate_kernel_address, NULL,
NULL, &lowaddr, NULL, 0, ELF_MACHINE, 0);
kernel_le = kernel_size > 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);
+ fprintf(stderr, "qemu: error loading %s: %s\n",
+ kernel_filename, load_elf_strerror(kernel_size));
exit(1);
}
assert(spapr->fdt_skel != NULL);
}
+static int spapr_kvm_type(const char *vm_type)
+{
+ if (!vm_type) {
+ return 0;
+ }
+
+ if (!strcmp(vm_type, "HV")) {
+ return 1;
+ }
+
+ if (!strcmp(vm_type, "PR")) {
+ return 2;
+ }
+
+ error_report("Unknown kvm-type specified '%s'", vm_type);
+ exit(1);
+}
+
static QEMUMachine spapr_machine = {
.name = "pseries",
.desc = "pSeries Logical Partition (PAPR compliant)",
.max_cpus = MAX_CPUS,
.no_parallel = 1,
.default_boot_order = NULL,
+ .kvm_type = spapr_kvm_type,
};
static void spapr_machine_init(void)
projects / qemu.git / blobdiff