1 files changed, 23 insertions, 24 deletions

diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index e3dbef5..64fc032 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -225,6 +225,8 @@ typedef struct CPUARMTBFlags {
     target_ulong flags2;
 } CPUARMTBFlags;
 
+typedef struct ARMMMUFaultInfo ARMMMUFaultInfo;
+
 typedef struct CPUArchState {
     /* Regs for current mode.  */
     uint32_t regs[16];
@@ -715,6 +717,9 @@ typedef struct CPUArchState {
     struct CPUBreakpoint *cpu_breakpoint[16];
     struct CPUWatchpoint *cpu_watchpoint[16];
 
+    /* Optional fault info across tlb lookup. */
+    ARMMMUFaultInfo *tlb_fi;
+
     /* Fields up to this point are cleared by a CPU reset */
     struct {} end_reset_fields;
 
@@ -2905,8 +2910,10 @@ bool write_cpustate_to_list(ARMCPU *cpu, bool kvm_sync);
  * EL2 EL2&0 +PAN
  * EL2 (aka NS PL2)
  * EL3 (aka S PL1)
+ * Physical (NS & S)
+ * Stage2 (NS & S)
  *
- * for a total of 8 different mmu_idx.
+ * for a total of 12 different mmu_idx.
  *
  * R profile CPUs have an MPU, but can use the same set of MMU indexes
  * as A profile. They only need to distinguish EL0 and EL1 (and
@@ -2971,6 +2978,19 @@ typedef enum ARMMMUIdx {
     ARMMMUIdx_E2        = 6 | ARM_MMU_IDX_A,
     ARMMMUIdx_E3        = 7 | ARM_MMU_IDX_A,
 
+    /* TLBs with 1-1 mapping to the physical address spaces. */
+    ARMMMUIdx_Phys_NS   = 8 | ARM_MMU_IDX_A,
+    ARMMMUIdx_Phys_S    = 9 | ARM_MMU_IDX_A,
+
+    /*
+     * Used for second stage of an S12 page table walk, or for descriptor
+     * loads during first stage of an S1 page table walk.  Note that both
+     * are in use simultaneously for SecureEL2: the security state for
+     * the S2 ptw is selected by the NS bit from the S1 ptw.
+     */
+    ARMMMUIdx_Stage2    = 10 | ARM_MMU_IDX_A,
+    ARMMMUIdx_Stage2_S  = 11 | ARM_MMU_IDX_A,
+
     /*
      * These are not allocated TLBs and are used only for AT system
      * instructions or for the first stage of an S12 page table walk.
@@ -2978,15 +2998,6 @@ typedef enum ARMMMUIdx {
     ARMMMUIdx_Stage1_E0 = 0 | ARM_MMU_IDX_NOTLB,
     ARMMMUIdx_Stage1_E1 = 1 | ARM_MMU_IDX_NOTLB,
     ARMMMUIdx_Stage1_E1_PAN = 2 | ARM_MMU_IDX_NOTLB,
-    /*
-     * Not allocated a TLB: used only for second stage of an S12 page
-     * table walk, or for descriptor loads during first stage of an S1
-     * page table walk. Note that if we ever want to have a TLB for this
-     * then various TLB flush insns which currently are no-ops or flush
-     * only stage 1 MMU indexes will need to change to flush stage 2.
-     */
-    ARMMMUIdx_Stage2     = 3 | ARM_MMU_IDX_NOTLB,
-    ARMMMUIdx_Stage2_S   = 4 | ARM_MMU_IDX_NOTLB,
 
     /*
      * M-profile.
@@ -3017,6 +3028,8 @@ typedef enum ARMMMUIdxBit {
     TO_CORE_BIT(E20_2),
     TO_CORE_BIT(E20_2_PAN),
     TO_CORE_BIT(E3),
+    TO_CORE_BIT(Stage2),
+    TO_CORE_BIT(Stage2_S),
 
     TO_CORE_BIT(MUser),
     TO_CORE_BIT(MPriv),
@@ -3388,20 +3401,6 @@ static inline uint64_t *aa64_vfp_qreg(CPUARMState *env, unsigned regno)
 /* Shared between translate-sve.c and sve_helper.c.  */
 extern const uint64_t pred_esz_masks[5];
 
-/* Helper for the macros below, validating the argument type. */
-static inline MemTxAttrs *typecheck_memtxattrs(MemTxAttrs *x)
-{
-    return x;
-}
-
-/*
- * Lvalue macros for ARM TLB bits that we must cache in the TCG TLB.
- * Using these should be a bit more self-documenting than using the
- * generic target bits directly.
- */
-#define arm_tlb_bti_gp(x) (typecheck_memtxattrs(x)->target_tlb_bit0)
-#define arm_tlb_mte_tagged(x) (typecheck_memtxattrs(x)->target_tlb_bit1)
-
 /*
  * AArch64 usage of the PAGE_TARGET_* bits for linux-user.
  * Note that with the Linux kernel, PROT_MTE may not be cleared by mprotect