diff options
Diffstat (limited to 'hw/ppc/spapr.c')
| -rw-r--r-- | hw/ppc/spapr.c | 42 |
1 files changed, 33 insertions, 9 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 529ff056dd..c23bcc4490 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -54,7 +54,6 @@ #include "cpu-models.h" #include "hw/core/cpu.h" -#include "hw/boards.h" #include "hw/ppc/ppc.h" #include "hw/loader.h" @@ -70,7 +69,6 @@ #include "hw/virtio/virtio-scsi.h" #include "hw/virtio/vhost-scsi-common.h" -#include "exec/address-spaces.h" #include "exec/ram_addr.h" #include "hw/usb.h" #include "qemu/config-file.h" @@ -100,7 +98,7 @@ * * We load our kernel at 4M, leaving space for SLOF initial image */ -#define RTAS_MAX_ADDR 0x80000000 /* RTAS must stay below that */ +#define FDT_MAX_ADDR 0x80000000 /* FDT must stay below that */ #define FW_MAX_SIZE 0x400000 #define FW_FILE_NAME "slof.bin" #define FW_OVERHEAD 0x2800000 @@ -705,10 +703,10 @@ static void spapr_dt_cpu(CPUState *cs, void *fdt, int offset, _FDT((fdt_setprop_string(fdt, offset, "status", "okay"))); _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0))); - if (env->spr_cb[SPR_PURR].oea_read) { + if (ppc_has_spr(cpu, SPR_PURR)) { _FDT((fdt_setprop_cell(fdt, offset, "ibm,purr", 1))); } - if (env->spr_cb[SPR_SPURR].oea_read) { + if (ppc_has_spr(cpu, SPR_PURR)) { _FDT((fdt_setprop_cell(fdt, offset, "ibm,spurr", 1))); } @@ -981,6 +979,7 @@ static void spapr_dt_ov5_platform_support(SpaprMachineState *spapr, void *fdt, */ val[1] = SPAPR_OV5_XIVE_LEGACY; /* XICS */ val[3] = 0x00; /* Hash */ + spapr_check_mmu_mode(false); } else if (kvm_enabled()) { if (kvmppc_has_cap_mmu_radix() && kvmppc_has_cap_mmu_hash_v3()) { val[3] = 0x80; /* OV5_MMU_BOTH */ @@ -1558,6 +1557,22 @@ void spapr_setup_hpt(SpaprMachineState *spapr) } } +void spapr_check_mmu_mode(bool guest_radix) +{ + if (guest_radix) { + if (kvm_enabled() && !kvmppc_has_cap_mmu_radix()) { + error_report("Guest requested unavailable MMU mode (radix)."); + exit(EXIT_FAILURE); + } + } else { + if (kvm_enabled() && kvmppc_has_cap_mmu_radix() + && !kvmppc_has_cap_mmu_hash_v3()) { + error_report("Guest requested unavailable MMU mode (hash)."); + exit(EXIT_FAILURE); + } + } +} + static void spapr_machine_reset(MachineState *machine) { SpaprMachineState *spapr = SPAPR_MACHINE(machine); @@ -1617,11 +1632,11 @@ static void spapr_machine_reset(MachineState *machine) spapr_clear_pending_events(spapr); /* - * We place the device tree and RTAS just below either the top of the RMA, + * We place the device tree just below either the top of the RMA, * or just below 2GB, whichever is lower, so that it can be * processed with 32-bit real mode code if necessary */ - fdt_addr = MIN(spapr->rma_size, RTAS_MAX_ADDR) - FDT_MAX_SIZE; + fdt_addr = MIN(spapr->rma_size, FDT_MAX_ADDR) - FDT_MAX_SIZE; fdt = spapr_build_fdt(spapr, true, FDT_MAX_SIZE); @@ -2694,7 +2709,7 @@ static void spapr_machine_init(MachineState *machine) spapr->rma_size = spapr_rma_size(spapr, &error_fatal); /* Setup a load limit for the ramdisk leaving room for SLOF and FDT */ - load_limit = MIN(spapr->rma_size, RTAS_MAX_ADDR) - FW_OVERHEAD; + load_limit = MIN(spapr->rma_size, FDT_MAX_ADDR) - FW_OVERHEAD; /* * VSMT must be set in order to be able to compute VCPU ids, ie to @@ -4487,7 +4502,16 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data) mc->init = spapr_machine_init; mc->reset = spapr_machine_reset; mc->block_default_type = IF_SCSI; - mc->max_cpus = 1024; + + /* + * Setting max_cpus to INT32_MAX. Both KVM and TCG max_cpus values + * should be limited by the host capability instead of hardcoded. + * max_cpus for KVM guests will be checked in kvm_init(), and TCG + * guests are welcome to have as many CPUs as the host are capable + * of emulate. + */ + mc->max_cpus = INT32_MAX; + mc->no_parallel = 1; mc->default_boot_order = ""; mc->default_ram_size = 512 * MiB; |