tcg: Add tlb_dyn_max_bits to TCGContext

Disconnect guest tlb parameters from TCG compilation.

Reviewed-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

accel/tcg/translate-all.c

@@ -360,6 +360,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
 #ifdef CONFIG_SOFTMMU
     tcg_ctx->page_bits = TARGET_PAGE_BITS;
     tcg_ctx->page_mask = TARGET_PAGE_MASK;
+    tcg_ctx->tlb_dyn_max_bits = CPU_TLB_DYN_MAX_BITS;
 #endif
 
  tb_overflow:

include/tcg/tcg.h

@@ -563,6 +563,7 @@ struct TCGContext {
 #ifdef CONFIG_SOFTMMU
     int page_mask;
     uint8_t page_bits;
+    uint8_t tlb_dyn_max_bits;
 #endif
 
     TCGRegSet reserved_regs;

tcg/aarch64/tcg-target.c.inc

@@ -1663,7 +1663,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
     ldst->oi = oi;
     ldst->addrlo_reg = addr_reg;
 
-    mask_type = (s->page_bits + CPU_TLB_DYN_MAX_BITS > 32
+    mask_type = (s->page_bits + s->tlb_dyn_max_bits > 32
                  ? TCG_TYPE_I64 : TCG_TYPE_I32);
 
     /* Load env_tlb(env)->f[mmu_idx].{mask,table} into {x0,x1}.  */

tcg/i386/tcg-target.c.inc

@@ -1933,7 +1933,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
         trexw = (ttype == TCG_TYPE_I32 ? 0 : P_REXW);
         if (TCG_TYPE_PTR == TCG_TYPE_I64) {
             hrexw = P_REXW;
-            if (s->page_bits + CPU_TLB_DYN_MAX_BITS > 32) {
+            if (s->page_bits + s->tlb_dyn_max_bits > 32) {
                 tlbtype = TCG_TYPE_I64;
                 tlbrexw = P_REXW;
             }