[Qemu-devel] [PATCH v2 01/23] target-i386: introduce cpu_get_mem_attrs

[Paolo Bonzini <pbonzini@redhat.com>]

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 include/exec/memattrs.h | 4 +++-
 target-i386/cpu.h       | 5 +++++
 target-i386/helper.c    | 3 ++-
 target-i386/kvm.c       | 2 +-
 4 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/include/exec/memattrs.h b/include/exec/memattrs.h
index 96dc440..f8537a8 100644
--- a/include/exec/memattrs.h
+++ b/include/exec/memattrs.h
@@ -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;
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 4ee12ca..64c2783 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -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);
diff --git a/target-i386/helper.c b/target-i386/helper.c
index 4f1ddf7..62e801b 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -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;
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index a26d25a..009bf74 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -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)
-- 
2.4.1