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target-i386: introduce cpu_get_mem_attrs 

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-04-08 14:52:04 +02:00
parent d7a0f71d9a
commit f794aa4a2f
4 changed files with 11 additions and 3 deletions
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4
include/exec/memattrs.h
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@ -29,7 +29,9 @@ typedef struct MemTxAttrs {
* "didn't specify" if necessary.
*/
unsigned int unspecified:1;
/* ARM/AMBA TrustZone Secure access */
/* ARM/AMBA: TrustZone Secure access
* x86: System Management Mode access
*/
unsigned int secure:1;
/* Memory access is usermode (unprivileged) */
unsigned int user:1;

5
target-i386/cpu.h
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@ -1292,6 +1292,11 @@ static inline void cpu_load_efer(CPUX86State *env, uint64_t val)
}
}
static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
{
return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 });
}
/* fpu_helper.c */
void cpu_set_mxcsr(CPUX86State *env, uint32_t val);
void cpu_set_fpuc(CPUX86State *env, uint16_t val);

3
target-i386/helper.c
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@ -771,7 +771,8 @@ do_check_protect_pse36:
page_offset = vaddr & (page_size - 1);
paddr = pte + page_offset;
tlb_set_page(cs, vaddr, paddr, prot, mmu_idx, page_size);
tlb_set_page_with_attrs(cs, vaddr, paddr, cpu_get_mem_attrs(env),
prot, mmu_idx, page_size);
return 0;
do_fault_rsvd:
error_code |= PG_ERROR_RSVD_MASK;

2
target-i386/kvm.c
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@ -2259,7 +2259,7 @@ MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run)
}
cpu_set_apic_tpr(x86_cpu->apic_state, run->cr8);
cpu_set_apic_base(x86_cpu->apic_state, run->apic_base);
return MEMTXATTRS_UNSPECIFIED;
return cpu_get_mem_attrs(env);
}
int kvm_arch_process_async_events(CPUState *cs)