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authorEmilio G. Cota <cota@braap.org>2017-07-12 17:15:52 -0400
committerRichard Henderson <richard.henderson@linaro.org>2017-10-24 13:53:42 -0700
commitb1311c4acf503dc9c1a310cc40b64f05b08833dc (patch)
tree744c9db497b0e4ee946b1fd6c85910f27b18ae5a /include/exec
parent44ded3d04821bec57407cc26a8b4db620da2be04 (diff)
downloadfocaccia-qemu-b1311c4acf503dc9c1a310cc40b64f05b08833dc.tar.gz
focaccia-qemu-b1311c4acf503dc9c1a310cc40b64f05b08833dc.zip
tcg: define tcg_init_ctx and make tcg_ctx a pointer
Groundwork for supporting multiple TCG contexts.

The core of this patch is this change to tcg/tcg.h:

> -extern TCGContext tcg_ctx;
> +extern TCGContext tcg_init_ctx;
> +extern TCGContext *tcg_ctx;

Note that for now we set *tcg_ctx to whatever TCGContext is passed
to tcg_context_init -- in this case &tcg_init_ctx.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/exec')
-rw-r--r--include/exec/gen-icount.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/include/exec/gen-icount.h b/include/exec/gen-icount.h
index 48b566c1c9..c58b0b2585 100644
--- a/include/exec/gen-icount.h
+++ b/include/exec/gen-icount.h
@@ -19,7 +19,7 @@ static inline void gen_tb_start(TranslationBlock *tb)
         count = tcg_temp_new_i32();
     }
 
-    tcg_gen_ld_i32(count, tcg_ctx.tcg_env,
+    tcg_gen_ld_i32(count, tcg_ctx->tcg_env,
                    -ENV_OFFSET + offsetof(CPUState, icount_decr.u32));
 
     if (tb_cflags(tb) & CF_USE_ICOUNT) {
@@ -37,7 +37,7 @@ static inline void gen_tb_start(TranslationBlock *tb)
     tcg_gen_brcondi_i32(TCG_COND_LT, count, 0, exitreq_label);
 
     if (tb_cflags(tb) & CF_USE_ICOUNT) {
-        tcg_gen_st16_i32(count, tcg_ctx.tcg_env,
+        tcg_gen_st16_i32(count, tcg_ctx->tcg_env,
                          -ENV_OFFSET + offsetof(CPUState, icount_decr.u16.low));
     }
 
@@ -56,13 +56,13 @@ static inline void gen_tb_end(TranslationBlock *tb, int num_insns)
     tcg_gen_exit_tb((uintptr_t)tb + TB_EXIT_REQUESTED);
 
     /* Terminate the linked list.  */
-    tcg_ctx.gen_op_buf[tcg_ctx.gen_op_buf[0].prev].next = 0;
+    tcg_ctx->gen_op_buf[tcg_ctx->gen_op_buf[0].prev].next = 0;
 }
 
 static inline void gen_io_start(void)
 {
     TCGv_i32 tmp = tcg_const_i32(1);
-    tcg_gen_st_i32(tmp, tcg_ctx.tcg_env,
+    tcg_gen_st_i32(tmp, tcg_ctx->tcg_env,
                    -ENV_OFFSET + offsetof(CPUState, can_do_io));
     tcg_temp_free_i32(tmp);
 }
@@ -70,7 +70,7 @@ static inline void gen_io_start(void)
 static inline void gen_io_end(void)
 {
     TCGv_i32 tmp = tcg_const_i32(0);
-    tcg_gen_st_i32(tmp, tcg_ctx.tcg_env,
+    tcg_gen_st_i32(tmp, tcg_ctx->tcg_env,
                    -ENV_OFFSET + offsetof(CPUState, can_do_io));
     tcg_temp_free_i32(tmp);
 }