target-xtensa: avoid using cpu_single_env

Pass around CPUArchState instead of using global cpu_single_env.
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
Acked-by: NMax Filippov <jcmvbkbc@gmail.com>
Reviewed-by: NAndreas Färber <afaerber@suse.de>

target-xtensa/translate.c

@@ -810,7 +810,7 @@ static TCGv_i32 gen_mac16_m(TCGv_i32 v, bool hi, bool is_unsigned)
     return m;
 }
 
-static void disas_xtensa_insn(DisasContext *dc)
+static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc)
 {
 #define HAS_OPTION_BITS(opt) do { \
         if (!option_bits_enabled(dc, opt)) { \
@@ -900,8 +900,8 @@ static void disas_xtensa_insn(DisasContext *dc)
 
 #define RSR_SR (b1)
 
-    uint8_t b0 = cpu_ldub_code(cpu_single_env, dc->pc);
-    uint8_t b1 = cpu_ldub_code(cpu_single_env, dc->pc + 1);
+    uint8_t b0 = cpu_ldub_code(env, dc->pc);
+    uint8_t b1 = cpu_ldub_code(env, dc->pc + 1);
     uint8_t b2 = 0;
 
     static const uint32_t B4CONST[] = {
@@ -917,7 +917,7 @@ static void disas_xtensa_insn(DisasContext *dc)
         HAS_OPTION(XTENSA_OPTION_CODE_DENSITY);
     } else {
         dc->next_pc = dc->pc + 3;
-        b2 = cpu_ldub_code(cpu_single_env, dc->pc + 2);
+        b2 = cpu_ldub_code(env, dc->pc + 2);
     }
 
     switch (OP0) {
@@ -2931,7 +2931,7 @@ static void gen_intermediate_code_internal(
             gen_ibreak_check(env, &dc);
         }
 
-        disas_xtensa_insn(&dc);
+        disas_xtensa_insn(env, &dc);
         ++insn_count;
         if (dc.icount) {
             tcg_gen_mov_i32(cpu_SR[ICOUNT], dc.next_icount);