net: complete all queued packets on VM stop

[qemu.git] / softmmu_template.h

diff --git a/softmmu_template.h b/softmmu_template.h
index 5a07f991a1453da4751f2f24a7d012e12fe232d5..88e33900b6f4b1ed002acb2c7204ec2e5d9a4b9e 100644 (file)
--- a/softmmu_template.h
+++ b/softmmu_template.h
@@ -116,6 +116,31 @@
 # define helper_te_st_name  helper_le_st_name
 #endif
 
+/* macro to check the victim tlb */
+#define VICTIM_TLB_HIT(ty)                                                    \
+({                                                                            \
+    /* we are about to do a page table walk. our last hope is the             \
+     * victim tlb. try to refill from the victim tlb before walking the       \
+     * page table. */                                                         \
+    int vidx;                                                                 \
+    hwaddr tmpiotlb;                                                          \
+    CPUTLBEntry tmptlb;                                                       \
+    for (vidx = CPU_VTLB_SIZE-1; vidx >= 0; --vidx) {                         \
+        if (env->tlb_v_table[mmu_idx][vidx].ty == (addr & TARGET_PAGE_MASK)) {\
+            /* found entry in victim tlb, swap tlb and iotlb */               \
+            tmptlb = env->tlb_table[mmu_idx][index];                          \
+            env->tlb_table[mmu_idx][index] = env->tlb_v_table[mmu_idx][vidx]; \
+            env->tlb_v_table[mmu_idx][vidx] = tmptlb;                         \
+            tmpiotlb = env->iotlb[mmu_idx][index];                            \
+            env->iotlb[mmu_idx][index] = env->iotlb_v[mmu_idx][vidx];         \
+            env->iotlb_v[mmu_idx][vidx] = tmpiotlb;                           \
+            break;                                                            \
+        }                                                                     \
+    }                                                                         \
+    /* return true when there is a vtlb hit, i.e. vidx >=0 */                 \
+    vidx >= 0;                                                                \
+})
+
 #ifndef SOFTMMU_CODE_ACCESS
 static inline DATA_TYPE glue(io_read, SUFFIX)(CPUArchState *env,
                                               hwaddr physaddr,
@@ -161,7 +186,10 @@ WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
                                  mmu_idx, retaddr);
         }
 #endif
-        tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
+        if (!VICTIM_TLB_HIT(ADDR_READ)) {
+            tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
+                     mmu_idx, retaddr);
+        }
         tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ;
     }
 
@@ -246,7 +274,10 @@ WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr, int mmu_idx,
                                  mmu_idx, retaddr);
         }
 #endif
-        tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE, mmu_idx, retaddr);
+        if (!VICTIM_TLB_HIT(ADDR_READ)) {
+            tlb_fill(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
+                     mmu_idx, retaddr);
+        }
         tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ;
     }
 
@@ -368,7 +399,9 @@ void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
             cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
         }
 #endif
-        tlb_fill(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
+        if (!VICTIM_TLB_HIT(addr_write)) {
+            tlb_fill(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
+        }
         tlb_addr = env->tlb_table[mmu_idx][index].addr_write;
     }
 
@@ -444,7 +477,9 @@ void helper_be_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
             cpu_unaligned_access(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
         }
 #endif
-        tlb_fill(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
+        if (!VICTIM_TLB_HIT(addr_write)) {
+            tlb_fill(ENV_GET_CPU(env), addr, 1, mmu_idx, retaddr);
+        }
         tlb_addr = env->tlb_table[mmu_idx][index].addr_write;
     }