diff options
| -rw-r--r-- | hw/spapr.c | 14 | ||||
| -rw-r--r-- | target-ppc/kvm.c | 40 | ||||
| -rw-r--r-- | target-ppc/kvm_ppc.h | 5 |
3 files changed, 58 insertions, 1 deletions
@@ -38,6 +38,9 @@ #include "hw/spapr_vio.h" #include "hw/xics.h" +#include "kvm.h" +#include "kvm_ppc.h" + #include <libfdt.h> #define KERNEL_LOAD_ADDR 0x00000000 @@ -336,12 +339,21 @@ static void ppc_spapr_init(ram_addr_t ram_size, * later we should probably make it scale to the size of guest * RAM */ spapr->htab_size = 1ULL << (pteg_shift + 7); - spapr->htab = g_malloc(spapr->htab_size); + spapr->htab = qemu_memalign(spapr->htab_size, spapr->htab_size); for (env = first_cpu; env != NULL; env = env->next_cpu) { env->external_htab = spapr->htab; env->htab_base = -1; env->htab_mask = spapr->htab_size - 1; + + /* Tell KVM that we're in PAPR mode */ + env->spr[SPR_SDR1] = (unsigned long)spapr->htab | + ((pteg_shift + 7) - 18); + env->spr[SPR_HIOR] = 0; + + if (kvm_enabled()) { + kvmppc_set_papr(env); + } } filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin"); diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index 77b98c4..f65b6e1 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -29,6 +29,10 @@ #include "cpu.h" #include "device_tree.h" +#include "hw/sysbus.h" +#include "hw/spapr.h" +#include "hw/spapr_vio.h" + //#define DEBUG_KVM #ifdef DEBUG_KVM @@ -455,6 +459,14 @@ int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run) dprintf("handle halt\n"); ret = kvmppc_handle_halt(env); break; +#ifdef CONFIG_PSERIES + case KVM_EXIT_PAPR_HCALL: + dprintf("handle PAPR hypercall\n"); + run->papr_hcall.ret = spapr_hypercall(env, run->papr_hcall.nr, + run->papr_hcall.args); + ret = 1; + break; +#endif default: fprintf(stderr, "KVM: unknown exit reason %d\n", run->exit_reason); ret = -1; @@ -606,6 +618,34 @@ int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len) return 0; } +void kvmppc_set_papr(CPUState *env) +{ + struct kvm_enable_cap cap; + int ret; + + memset(&cap, 0, sizeof(cap)); + cap.cap = KVM_CAP_PPC_PAPR; + ret = kvm_vcpu_ioctl(env, KVM_ENABLE_CAP, &cap); + + if (ret) { + goto fail; + } + + /* + * XXX We set HIOR here. It really should be a qdev property of + * the CPU node, but we don't have CPUs converted to qdev yet. + * + * Once we have qdev CPUs, move HIOR to a qdev property and + * remove this chunk. + */ + /* XXX Set HIOR using new ioctl */ + + return; + +fail: + cpu_abort(env, "This KVM version does not support PAPR\n"); +} + bool kvm_arch_stop_on_emulation_error(CPUState *env) { return true; diff --git a/target-ppc/kvm_ppc.h b/target-ppc/kvm_ppc.h index 76f98d9..c484e60 100644 --- a/target-ppc/kvm_ppc.h +++ b/target-ppc/kvm_ppc.h @@ -17,6 +17,7 @@ uint32_t kvmppc_get_tbfreq(void); uint64_t kvmppc_get_clockfreq(void); int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len); int kvmppc_set_interrupt(CPUState *env, int irq, int level); +void kvmppc_set_papr(CPUState *env); #else @@ -40,6 +41,10 @@ static inline int kvmppc_set_interrupt(CPUState *env, int irq, int level) return -1; } +static inline void kvmppc_set_papr(CPUState *env) +{ +} + #endif #ifndef CONFIG_KVM |
