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target/i386: use multiple CPU AddressSpaces

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This speeds up SMM switches.  Later on it may remove the need to take
the BQL, and it may also allow to reuse code between TCG and KVM.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2017-03-01 10:34:48 +01:00
parent c8bc83a4dd
commit f8c45c6550
5 changed files with 47 additions and 55 deletions
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11
target/i386/cpu.h
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@ -1451,6 +1451,16 @@ int x86_cpu_handle_mmu_fault(CPUState *cpu, vaddr addr,
void x86_cpu_set_a20(X86CPU *cpu, int a20_state);
#ifndef CONFIG_USER_ONLY
static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
{
return !!attrs.secure;
}
static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs)
{
return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs));
}
uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr);
uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr);
uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr);
@ -1653,7 +1663,6 @@ void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
/* smm_helper.c */
void do_smm_enter(X86CPU *cpu);
void cpu_smm_update(X86CPU *cpu);
/* apic.c */
void cpu_report_tpr_access(CPUX86State *env, TPRAccess access);