On 11/14/24 08:01, Richard Henderson wrote:
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
  target/mips/tcg/tcg-internal.h      |  6 +++---
  target/mips/cpu.c                   |  2 +-
  target/mips/tcg/sysemu/tlb_helper.c | 29 ++++++++++++++++++++---------
  3 files changed, 24 insertions(+), 13 deletions(-)

diff --git a/target/mips/tcg/tcg-internal.h b/target/mips/tcg/tcg-internal.h
index aef032c48d..f4b00354af 100644
--- a/target/mips/tcg/tcg-internal.h
+++ b/target/mips/tcg/tcg-internal.h
@@ -61,9 +61,9 @@ void mips_cpu_do_transaction_failed(CPUState *cs, hwaddr 
physaddr,
                                      MemTxResult response, uintptr_t retaddr);
  void cpu_mips_tlb_flush(CPUMIPSState *env);
-bool mips_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
-                       MMUAccessType access_type, int mmu_idx,
-                       bool probe, uintptr_t retaddr);
+bool mips_cpu_tlb_fill_align(CPUState *cs, CPUTLBEntryFull *out, vaddr address,
+                             MMUAccessType access_type, int mmu_idx,
+                             MemOp memop, int size, bool probe, uintptr_t ra);
void mips_semihosting(CPUMIPSState *env); diff --git a/target/mips/cpu.c b/target/mips/cpu.c
index d0a43b6d5c..3a453c9285 100644
--- a/target/mips/cpu.c
+++ b/target/mips/cpu.c
@@ -556,7 +556,7 @@ static const TCGCPUOps mips_tcg_ops = {
      .restore_state_to_opc = mips_restore_state_to_opc,
#if !defined(CONFIG_USER_ONLY)
-    .tlb_fill = mips_cpu_tlb_fill,
+    .tlb_fill_align = mips_cpu_tlb_fill_align,
      .cpu_exec_interrupt = mips_cpu_exec_interrupt,
      .cpu_exec_halt = mips_cpu_has_work,
      .do_interrupt = mips_cpu_do_interrupt,
diff --git a/target/mips/tcg/sysemu/tlb_helper.c 
b/target/mips/tcg/sysemu/tlb_helper.c
index e98bb95951..ac76396525 100644
--- a/target/mips/tcg/sysemu/tlb_helper.c
+++ b/target/mips/tcg/sysemu/tlb_helper.c
@@ -904,15 +904,28 @@ refill:
  }
  #endif
-bool mips_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
-                       MMUAccessType access_type, int mmu_idx,
-                       bool probe, uintptr_t retaddr)
+bool mips_cpu_tlb_fill_align(CPUState *cs, CPUTLBEntryFull *out, vaddr address,
+                             MMUAccessType access_type, int mmu_idx,
+                             MemOp memop, int size,
+                             bool probe, uintptr_t retaddr)
  {
      CPUMIPSState *env = cpu_env(cs);
      hwaddr physical;
      int prot;
      int ret = TLBRET_BADADDR;
+ if (address & ((1 << memop_alignment_bits(memop)) - 1)) {
+        if (probe) {
+            return false;
+        }
+        mips_cpu_do_unaligned_access(cs, address, access_type,
+                                     mmu_idx, retaddr);
+    }
+
+    memset(out, 0, sizeof(*out));
+    out->attrs = MEMTXATTRS_UNSPECIFIED;
+    out->lg_page_size = TARGET_PAGE_BITS;
+
      /* data access */
      /* XXX: put correct access by using cpu_restore_state() correctly */
      ret = get_physical_address(env, &physical, &prot, address,
@@ -930,9 +943,8 @@ bool mips_cpu_tlb_fill(CPUState *cs, vaddr address, int 
size,
          break;
      }
      if (ret == TLBRET_MATCH) {
-        tlb_set_page(cs, address & TARGET_PAGE_MASK,
-                     physical & TARGET_PAGE_MASK, prot,
-                     mmu_idx, TARGET_PAGE_SIZE);
+        out->phys_addr = physical;
+        out->prot = prot;
          return true;
      }
  #if !defined(TARGET_MIPS64)
@@ -948,9 +960,8 @@ bool mips_cpu_tlb_fill(CPUState *cs, vaddr address, int 
size,
              ret = get_physical_address(env, &physical, &prot, address,
                                         access_type, mmu_idx);
              if (ret == TLBRET_MATCH) {
-                tlb_set_page(cs, address & TARGET_PAGE_MASK,
-                             physical & TARGET_PAGE_MASK, prot,
-                             mmu_idx, TARGET_PAGE_SIZE);
+                out->phys_addr = physical;
+                out->prot = prot;
                  return true;
              }
          }

Reviewed-by: Pierrick Bouvier <pierrick.bouv...@linaro.org>


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