From 977863401e82d7d9c5fdefa181ddd02b6a1af1f7 Mon Sep 17 00:00:00 2001
From: Ryan Hileman <lunixbochs@gmail.com>
Date: Fri, 25 Mar 2016 18:28:03 -0700
Subject: [PATCH] static -> dynamic code buffer, and shrink 32M->8M
---
qemu/translate-all.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/qemu/translate-all.c b/qemu/translate-all.c
index aec38c7c..1fd4100c 100644
--- a/qemu/translate-all.c
+++ b/qemu/translate-all.c
@@ -63,8 +63,6 @@
#include "uc_priv.h"
-#define USE_STATIC_CODE_GEN_BUFFER
-
//#define DEBUG_TB_INVALIDATE
//#define DEBUG_FLUSH
/* make various TB consistency checks */
@@ -501,7 +499,7 @@ static inline PageDesc *page_find(struct uc_struct *uc, tb_page_addr_t index)
# define MAX_CODE_GEN_BUFFER_SIZE ((size_t)-1)
#endif
-#define DEFAULT_CODE_GEN_BUFFER_SIZE_1 (32u * 1024 * 1024)
+#define DEFAULT_CODE_GEN_BUFFER_SIZE_1 (8 * 1024 * 1024)
#define DEFAULT_CODE_GEN_BUFFER_SIZE \
(DEFAULT_CODE_GEN_BUFFER_SIZE_1 < MAX_CODE_GEN_BUFFER_SIZE \
@@ -520,7 +518,7 @@ static inline size_t size_code_gen_buffer(struct uc_struct *uc, size_t tb_size)
/* ??? If we relax the requirement that CONFIG_USER_ONLY use the
static buffer, we could size this on RESERVED_VA, on the text
segment size of the executable, or continue to use the default. */
- tb_size = (unsigned long)(uc->ram_size / 4);
+ tb_size = (unsigned long)DEFAULT_CODE_GEN_BUFFER_SIZE;
#endif
}
if (tb_size < MIN_CODE_GEN_BUFFER_SIZE) {