reverted -translation option support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3947 c046a42c-6fe2-441c-8c8c-71466251a162

cpu-all.h

@@ -787,20 +787,6 @@ void cpu_set_log(int log_flags);
 void cpu_set_log_filename(const char *filename);
 int cpu_str_to_log_mask(const char *str);
 
-#define CPU_SETTING_NO_CACHE (1 << 0)
-
-/* define translation settings */
-typedef struct CPUTranslationSetting {
-    int mask;
-    const char *name;
-    const char *help;
-} CPUTranslationSetting;
-
-extern CPUTranslationSetting cpu_translation_settings[];
-
-void cpu_set_translation_settings(int translation_flags);
-int cpu_str_to_translation_mask(const char *str);
-
 /* IO ports API */
 
 /* NOTE: as these functions may be even used when there is an isa

cpu-exec.c

@@ -20,7 +20,6 @@
 #include "config.h"
 #include "exec.h"
 #include "disas.h"
-#include <string.h>
 
 #if !defined(CONFIG_SOFTMMU)
 #undef EAX
@@ -41,9 +40,6 @@ int tb_invalidated_flag;
 //#define DEBUG_EXEC
 //#define DEBUG_SIGNAL
 
-/* translation settings */
-int translation_settings = 0;
-
 #define SAVE_GLOBALS()
 #define RESTORE_GLOBALS()
 
@@ -124,57 +120,6 @@ void cpu_resume_from_signal(CPUState *env1, void *puc)
     longjmp(env->jmp_env, 1);
 }
 
-CPUTranslationSetting cpu_translation_settings[] = {
-    { CPU_SETTING_NO_CACHE, "no-cache",
-      "Do not use translation blocks cache (very slow!)" },
-    { 0, NULL, NULL },
-};
-
-void cpu_set_translation_settings(int translation_flags)
-{
-    translation_settings = translation_flags;
-}
-
-static int cmp1(const char *s1, int n, const char *s2)
-{
-    if (strlen(s2) != n)
-        return 0;
-    return memcmp(s1, s2, n) == 0;
-}
-
-/* takes a comma separated list of translation settings. Return 0 if error. */
-int cpu_str_to_translation_mask(const char *str)
-{
-    CPUTranslationSetting *setting;
-    int mask;
-    const char *p, *p1;
-
-    p = str;
-    mask = 0;
-    for(;;) {
-        p1 = strchr(p, ',');
-        if (!p1)
-            p1 = p + strlen(p);
-        if(cmp1(p,p1-p,"all")) {
-            for(setting = cpu_translation_settings; setting->mask != 0; setting++) {
-                mask |= setting->mask;
-            }
-        } else {
-            for(setting = cpu_translation_settings; setting->mask != 0; setting++) {
-                if (cmp1(p, p1 - p, setting->name))
-                    goto found;
-            }
-            return 0;
-        }
-    found:
-        mask |= setting->mask;
-        if (*p1 != ',')
-            break;
-        p = p1 + 1;
-    }
-    return mask;
-}
-
 static TranslationBlock *tb_find_slow(target_ulong pc,
                                       target_ulong cs_base,
                                       uint64_t flags)
@@ -195,9 +140,6 @@ static TranslationBlock *tb_find_slow(target_ulong pc,
     phys_pc = get_phys_addr_code(env, pc);
     phys_page1 = phys_pc & TARGET_PAGE_MASK;
     phys_page2 = -1;
-    if (translation_settings & CPU_SETTING_NO_CACHE)
-        goto not_found;
-
     h = tb_phys_hash_func(phys_pc);
     ptb1 = &tb_phys_hash[h];
     for(;;) {
@@ -321,10 +263,7 @@ static inline TranslationBlock *tb_find_fast(void)
 #else
 #error unsupported CPU
 #endif
-    if (translation_settings & CPU_SETTING_NO_CACHE)
+    tb = env->tb_jmp_cache[tb_jmp_cache_hash_func(pc)];
-        tb = NULL;
-    else
-        tb = env->tb_jmp_cache[tb_jmp_cache_hash_func(pc)];
     if (__builtin_expect(!tb || tb->pc != pc || tb->cs_base != cs_base ||
                          tb->flags != flags, 0)) {
         tb = tb_find_slow(pc, cs_base, flags);

qemu-doc.texi

@@ -363,17 +363,6 @@ Set the initial date of the real time clock. Valid format for
 @var{date} are: @code{now} or @code{2006-06-17T16:01:21} or
 @code{2006-06-17}. The default value is @code{now}.
 
-@item -translation @var{setting1[,...]}
-Select dynamic translation options @var{setting}, @code{-translation ?}
-shows a list of settings. Valid settings are:
-
-@table @code
-@item @var{no-cache}
-This option disables caching of translated code. Is useful for low-level
-debugging of the emulated environment. This option incurs a massive
-slow-down in emulation speed.
-@end table
-
 @item -pidfile @var{file}
 Store the QEMU process PID in @var{file}. It is useful if you launch QEMU
 from a script.

vl.c

@@ -240,8 +240,6 @@ static CPUState *cur_cpu;
 static CPUState *next_cpu;
 static int event_pending = 1;
 
-extern char *logfilename;
-
 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
 
 /***********************************************************/
@@ -7663,9 +7661,7 @@ static void help(int exitcode)
 #endif
            "-clock          force the use of the given methods for timer alarm.\n"
            "                To see what timers are available use -clock help\n"
-           "-startdate      select initial date of the Qemu clock\n"
+           "-startdate      select initial date of the clock\n"
-           "-translation setting1,... configures code translation\n"
-           "                (use -translation ? for a list of settings)\n"
            "\n"
            "During emulation, the following keys are useful:\n"
            "ctrl-alt-f      toggle full screen\n"
@@ -7681,7 +7677,7 @@ static void help(int exitcode)
            DEFAULT_NETWORK_DOWN_SCRIPT,
 #endif
            DEFAULT_GDBSTUB_PORT,
-           logfilename);
+           "/tmp/qemu.log");
     exit(exitcode);
 }
 
@@ -7768,7 +7764,6 @@ enum {
     QEMU_OPTION_old_param,
     QEMU_OPTION_clock,
     QEMU_OPTION_startdate,
-    QEMU_OPTION_translation,
 };
 
 typedef struct QEMUOption {
@@ -7877,7 +7872,6 @@ const QEMUOption qemu_options[] = {
 #endif
     { "clock", HAS_ARG, QEMU_OPTION_clock },
     { "startdate", HAS_ARG, QEMU_OPTION_startdate },
-    { "translation", HAS_ARG, QEMU_OPTION_translation },
     { NULL },
 };
 
@@ -8720,22 +8714,6 @@ int main(int argc, char **argv)
                     }
                 }
                 break;
-            case QEMU_OPTION_translation:
-                {
-                    int mask;
-                    CPUTranslationSetting *setting;
-
-                    mask = cpu_str_to_translation_mask(optarg);
-                    if (!mask) {
-                        printf("Translation settings (comma separated):\n");
-                        for(setting = cpu_translation_settings; setting->mask != 0; setting++) {
-                            printf("%-10s %s\n", setting->name, setting->help);
-                    }
-                    exit(1);
-                    }
-                    cpu_set_translation_settings(mask);
-                }
-                break;
             }
         }
     }