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ppc: Introduce kvmppc_set_reg_tb_offset() helper

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Introduce a KVM helper and its stub instead of guarding the code with
CONFIG_KVM.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <156051055736.224162.11641594431517798715.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2019-06-14 13:09:17 +02:00 committed by David Gibson
parent 4812f26152
commit 9723295a72
3 changed files with 15 additions and 4 deletions
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5
hw/ppc/ppc.c
View File

@ -1034,10 +1034,7 @@ static void timebase_load(PPCTimebase *tb)
CPU_FOREACH(cpu) { CPU_FOREACH(cpu) {
PowerPCCPU *pcpu = POWERPC_CPU(cpu); PowerPCCPU *pcpu = POWERPC_CPU(cpu);
pcpu->env.tb_env->tb_offset = tb_off_adj; pcpu->env.tb_env->tb_offset = tb_off_adj;
#if defined(CONFIG_KVM) kvmppc_set_reg_tb_offset(pcpu, pcpu->env.tb_env->tb_offset);
kvm_set_one_reg(cpu, KVM_REG_PPC_TB_OFFSET,
&pcpu->env.tb_env->tb_offset);
#endif
} }
} }

9
target/ppc/kvm.c
View File

@ -2944,3 +2944,12 @@ void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu, unsigned int online)
kvm_set_one_reg(cs, KVM_REG_PPC_ONLINE, &online); kvm_set_one_reg(cs, KVM_REG_PPC_ONLINE, &online);
} }
} }
void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset)
{
CPUState *cs = CPU(cpu);
if (kvm_enabled()) {
kvm_set_one_reg(cs, KVM_REG_PPC_TB_OFFSET, &tb_offset);
}
}

5
target/ppc/kvm_ppc.h
View File

@ -80,6 +80,7 @@ bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu);
bool kvmppc_hpt_needs_host_contiguous_pages(void); bool kvmppc_hpt_needs_host_contiguous_pages(void);
void kvm_check_mmu(PowerPCCPU *cpu, Error **errp); void kvm_check_mmu(PowerPCCPU *cpu, Error **errp);
void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu, unsigned int online); void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu, unsigned int online);
void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset);
#else #else
@ -206,6 +207,10 @@ static inline void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu,
return; return;
} }
static inline void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset)
{
}
#ifndef CONFIG_USER_ONLY #ifndef CONFIG_USER_ONLY
static inline bool kvmppc_spapr_use_multitce(void) static inline bool kvmppc_spapr_use_multitce(void)
{ {