tcg: Move tcg_init_ctx and tcg_ctx from accel/tcg/

These variables belong to the jit side, not the user side.

Since tcg_init_ctx is no longer used outside of tcg/, move
the declaration to tcg-internal.h.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
Suggested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 59609d6..7929a7e 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -218,9 +218,6 @@
 
 static void *l1_map[V_L1_MAX_SIZE];
 
-/* code generation context */
-TCGContext tcg_init_ctx;
-__thread TCGContext *tcg_ctx;
 TBContext tb_ctx;
 
 static void page_table_config_init(void)
diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index f48b5aa..e95abac 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -689,7 +689,6 @@
     return ts->kind >= TEMP_FIXED;
 }
 
-extern TCGContext tcg_init_ctx;
 extern __thread TCGContext *tcg_ctx;
 extern const void *tcg_code_gen_epilogue;
 extern uintptr_t tcg_splitwx_diff;
diff --git a/tcg/tcg-internal.h b/tcg/tcg-internal.h
index f990652..181f865 100644
--- a/tcg/tcg-internal.h
+++ b/tcg/tcg-internal.h
@@ -27,6 +27,7 @@
 
 #define TCG_HIGHWATER 1024
 
+extern TCGContext tcg_init_ctx;
 extern TCGContext **tcg_ctxs;
 extern unsigned int tcg_cur_ctxs;
 extern unsigned int tcg_max_ctxs;
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 4bb35b4..81da553 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -149,6 +149,9 @@
 static int tcg_out_ldst_finalize(TCGContext *s);
 #endif
 
+TCGContext tcg_init_ctx;
+__thread TCGContext *tcg_ctx;
+
 TCGContext **tcg_ctxs;
 unsigned int tcg_cur_ctxs;
 unsigned int tcg_max_ctxs;