diff options
Diffstat (limited to 'executor')
| -rw-r--r-- | executor/common_kvm_ppc64.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/executor/common_kvm_ppc64.h b/executor/common_kvm_ppc64.h index a000cb3b5..287d7a7b3 100644 --- a/executor/common_kvm_ppc64.h +++ b/executor/common_kvm_ppc64.h @@ -90,6 +90,16 @@ struct kvm_text { uintptr_t size; }; +static int kvmppc_define_rtas_kernel_token(int vmfd, unsigned token, const char* func) +{ + struct kvm_rtas_token_args args; + + args.token = token; + strncpy(args.name, func, sizeof(args.name) - 1); + + return ioctl(vmfd, KVM_PPC_RTAS_DEFINE_TOKEN, &args); +} + static int kvmppc_get_one_reg(int cpufd, uint64 id, void* target) { struct kvm_one_reg reg = {.id = id, .addr = (uintptr_t)target}; @@ -373,6 +383,13 @@ static long syz_kvm_setup_cpu(volatile long a0, volatile long a1, volatile long ioctl(vmfd, KVM_ENABLE_CAP, &cap); } + // Only a few of many RTAS calls are actually in the KVM and the rest + // are handled in QEMU, enable the KVM handling for those 4 here. + kvmppc_define_rtas_kernel_token(vmfd, 1, "ibm,set-xive"); + kvmppc_define_rtas_kernel_token(vmfd, 2, "ibm,get-xive"); + kvmppc_define_rtas_kernel_token(vmfd, 3, "ibm,int-on"); + kvmppc_define_rtas_kernel_token(vmfd, 4, "ibm,int-off"); + dump_text(host_mem, regs.pc, 8, debug_inst_opcode); dump_text(host_mem, BOOK3S_INTERRUPT_DECREMENTER, 16, debug_inst_opcode); |