cputlb: Partially merge tlb_dyn_init into tlb_init
authorRichard Henderson <richard.henderson@linaro.org>
Sat, 7 Dec 2019 21:22:19 +0000 (13:22 -0800)
committerRichard Henderson <richard.henderson@linaro.org>
Wed, 22 Jan 2020 00:21:59 +0000 (14:21 -1000)
Merge into the only caller, but at the same time split
out tlb_mmu_init to initialize a single tlb entry.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
accel/tcg/cputlb.c

index 28cfff15568cf536ef69b78495e53658e663529e..360495468eec2a1d0736d8b100cec38d350b75a3 100644 (file)
@@ -97,22 +97,6 @@ static void tlb_window_reset(CPUTLBDesc *desc, int64_t ns,
     desc->window_max_entries = max_entries;
 }
 
-static void tlb_dyn_init(CPUArchState *env)
-{
-    int i;
-
-    for (i = 0; i < NB_MMU_MODES; i++) {
-        CPUTLBDesc *desc = &env_tlb(env)->d[i];
-        size_t n_entries = 1 << CPU_TLB_DYN_DEFAULT_BITS;
-
-        tlb_window_reset(desc, get_clock_realtime(), 0);
-        desc->n_used_entries = 0;
-        env_tlb(env)->f[i].mask = (n_entries - 1) << CPU_TLB_ENTRY_BITS;
-        env_tlb(env)->f[i].table = g_new(CPUTLBEntry, n_entries);
-        env_tlb(env)->d[i].iotlb = g_new(CPUIOTLBEntry, n_entries);
-    }
-}
-
 /**
  * tlb_mmu_resize_locked() - perform TLB resize bookkeeping; resize if necessary
  * @desc: The CPUTLBDesc portion of the TLB
@@ -247,6 +231,17 @@ static void tlb_flush_one_mmuidx_locked(CPUArchState *env, int mmu_idx)
     tlb_mmu_flush_locked(desc, fast);
 }
 
+static void tlb_mmu_init(CPUTLBDesc *desc, CPUTLBDescFast *fast, int64_t now)
+{
+    size_t n_entries = 1 << CPU_TLB_DYN_DEFAULT_BITS;
+
+    tlb_window_reset(desc, now, 0);
+    desc->n_used_entries = 0;
+    fast->mask = (n_entries - 1) << CPU_TLB_ENTRY_BITS;
+    fast->table = g_new(CPUTLBEntry, n_entries);
+    desc->iotlb = g_new(CPUIOTLBEntry, n_entries);
+}
+
 static inline void tlb_n_used_entries_inc(CPUArchState *env, uintptr_t mmu_idx)
 {
     env_tlb(env)->d[mmu_idx].n_used_entries++;
@@ -260,13 +255,17 @@ static inline void tlb_n_used_entries_dec(CPUArchState *env, uintptr_t mmu_idx)
 void tlb_init(CPUState *cpu)
 {
     CPUArchState *env = cpu->env_ptr;
+    int64_t now = get_clock_realtime();
+    int i;
 
     qemu_spin_init(&env_tlb(env)->c.lock);
 
     /* Ensure that cpu_reset performs a full flush.  */
     env_tlb(env)->c.dirty = ALL_MMUIDX_BITS;
 
-    tlb_dyn_init(env);
+    for (i = 0; i < NB_MMU_MODES; i++) {
+        tlb_mmu_init(&env_tlb(env)->d[i], &env_tlb(env)->f[i], now);
+    }
 }
 
 /* flush_all_helper: run fn across all cpus