Init tcg region buffer

wtdcode · wtdcode · commit 2128e01efc81 · 2025-02-25T13:52:26.000+08:00
diff --git a/qemu/tcg/tcg.c b/qemu/tcg/tcg.c
@@ -538,7 +538,14 @@ void tcg_region_init(TCGContext *tcg_ctx)
     }
 
     tcg_ctx->tree = g_tree_new(tb_tc_cmp);
+    // Unicorn: Though this code is taken from CONFIG_USER_ONLY, it is crucial or
+    //          tcg_ctx->region.current is 0 and we will miss a tb_flush when the
+    //          buffer gets full.
+    {
+        bool err = tcg_region_initial_alloc__locked(tcg_ctx);
 
+        g_assert(!err);
+    }
 }
 
 /*

Original file line number	Diff line number	Diff line change
`@@ -538,7 +538,14 @@ void tcg_region_init(TCGContext *tcg_ctx)`
`538`	`538`	`}`
`539`	`539`
`540`	`540`	`tcg_ctx->tree = g_tree_new(tb_tc_cmp);`
	`541`	`+ // Unicorn: Though this code is taken from CONFIG_USER_ONLY, it is crucial or`
	`542`	`+ // tcg_ctx->region.current is 0 and we will miss a tb_flush when the`
	`543`	`+ // buffer gets full.`
	`544`	`+ {`
	`545`	`+ bool err = tcg_region_initial_alloc__locked(tcg_ctx);`
`541`	`546`
	`547`	`+ g_assert(!err);`
	`548`	`+ }`
`542`	`549`	`}`
`543`	`550`
`544`	`551`	`/*`