> compile NEMU

221220000 张三
Linux zzy 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
 22:53:37 up 3 days, 17:59,  1 user,  load average: 0.94, 0.65, 0.45

nemu/Kconfig

@@ -1,22 +1,5 @@
 mainmenu "NEMU Configuration Menu"
 
-menu "NEMU Configuration Options"
-  config WATCHPOINT
-    bool "Enable Watchpoint"
-    default n
-    help
-      Say Y here if you want to enable watchpoint functionality.
-      This will add performance overhead but is useful for debugging.
-  config LOG_EXPR
-    bool "Enable make_token Log"
-    default n
-    help
-      Say Y here if you want to enable match rules Log
-  config TEST_EXPR
-    bool "Enable test expr program"
-    default n
-endmenu
-
 choice
   prompt "Base ISA"
   default ISA_riscv
@@ -143,89 +126,8 @@ endmenu
 
 menu "Testing and Debugging"
 
-
-config TRACE
-  bool "Enable tracer"
-  default y
-
-config TRACE_START
-  depends on TRACE
-  int "When tracing is enabled (unit: number of instructions)"
-  default 0
-
-config TRACE_END
-  depends on TRACE
-  int "When tracing is disabled (unit: number of instructions)"
-  default 10000
-
-config ITRACE
-  depends on TRACE && TARGET_NATIVE_ELF && ENGINE_INTERPRETER
-  bool "Enable instruction tracer"
-  default y
-
-config ITRACE_COND
-  depends on ITRACE
-  string "Only trace instructions when the condition is true"
-  default "true"
-
-
-config IRINGBUF
-  depends on TRACE && TARGET_NATIVE_ELF && ENGINE_INTERPRETER
-  bool "Enable iringbuf tracer"
-  default n
-
-config IRINGBUF_LINENUM
-  depends on IRINGBUF
-  int "Instruction ring buffer size"
-  default 16
-
-config IRINGBUF_ASSERT_DISPLAY
-  depends on IRINGBUF
-  bool "Enable to log when assert failure(Warning it may display twice in `IRINGBUF_DISPLAY`)"
-  default y
-
-config IRINGBUF_DISPLAY
-  depends on IRINGBUF
-  bool "Enable to iringbuf log in 'statistic'(must end of log file) otherwise just in assert failure to log"
-  default n
-
-
-config MTRACE
-  depends on TRACE && TARGET_NATIVE_ELF && ENGINE_INTERPRETER
-  bool "Enable memory tracer"
-  default n
-
-config MTRACE_COND
-  depends on MTRACE
-  string "Only trace memory when the condition is true (you can use 'addr' variable)"
-  default "addr != 0"
-
-config MTRACE_WRITE
-  depends on MTRACE
-  bool "Enable memory trace on write"
-  default y
-
-config MTRACE_READ
-  depends on MTRACE
-  bool "Enable memory trace on read"
-  default y
-
-
-config FTRACE
-  depends on TRACE && TARGET_NATIVE_ELF && ENGINE_INTERPRETER
-  bool "Enable function tracer"
-  default n
-
-config FTRACE_DISPLAY
-  depends on FTRACE
-  bool "Enable to ftrace log in 'statistic'(must end of log file)"
-  default n
-
-config FTRACE_INST
-  depends on FTRACE
-  bool "Enable ftrace in itrace means in every instruction to show what function name"
-  default n
-
+source "src/cpu/Kconfig" # trace
+source "src/monitor/Kconfig" # debug
 
 config DIFFTEST
   depends on TARGET_NATIVE_ELF

nemu/src/cpu/Kconfig

@@ -0,0 +1,96 @@
+menuconfig TRACE
+  depends on TARGET_NATIVE_ELF && ENGINE_INTERPRETER
+  bool "Enable tracer"
+  default y
+
+if TRACE
+
+config TRACE_START
+  depends on TRACE
+  int "When tracing is enabled (unit: number of instructions)"
+  default 0
+
+config TRACE_END
+  depends on TRACE
+  int "When tracing is disabled (unit: number of instructions)"
+  default 10000
+
+menuconfig ITRACE
+  bool "Enable instruction tracer"
+  default y
+
+if ITRACE
+config ITRACE_COND
+  depends on ITRACE
+  string "Only trace instructions when the condition is true"
+  default "true"
+endif # ITRACE
+
+menuconfig IRINGBUF
+  bool "Enable iringbuf tracer"
+  default n
+
+if IRINGBUF
+config IRINGBUF_LINENUM
+  depends on IRINGBUF
+  int "Instruction ring buffer size"
+  default 16
+
+config IRINGBUF_ASSERT_DISPLAY
+  depends on IRINGBUF
+  bool "Enable to log when assert failure(Warning it may display twice in `IRINGBUF_DISPLAY`)"
+  default y
+
+config IRINGBUF_DISPLAY
+  depends on IRINGBUF
+  bool "Enable to iringbuf log in 'statistic'(must end of log file) otherwise just in assert failure to log"
+  default n
+endif # IRINGBUF
+
+menuconfig MTRACE
+  bool "Enable memory tracer"
+  default n
+
+if MTRACE
+config MTRACE_COND
+  depends on MTRACE
+  string "Only trace memory when the condition is true (you can use 'addr' variable)"
+  default "addr != 0"
+
+config MTRACE_WRITE
+  depends on MTRACE
+  bool "Enable memory trace on write"
+  default y
+
+config MTRACE_READ
+  depends on MTRACE
+  bool "Enable memory trace on read"
+  default y
+endif # MTRACE
+
+menuconfig FTRACE
+  bool "Enable function tracer"
+  default n
+
+if FTRACE
+config FTRACE_DISPLAY
+  depends on FTRACE
+  bool "Enable to ftrace log in 'statistic'(must end of log file)"
+  default n
+
+config FTRACE_INST
+  depends on FTRACE
+  bool "Enable ftrace in itrace means in every instruction to show what function name"
+  default n
+endif # FTRACE
+
+menuconfig DTRACE
+  bool "Enable devices tracer"
+  default n
+
+if DTRACE
+
+
+endif # DTRACE
+
+endif # TRACE

nemu/src/device/audio.c

@@ -38,7 +38,7 @@ static void audio_callback(void *userdata, uint8_t *stream, int len) {
   uint32_t read_cnt = MIN(count, len);
   uint32_t to_end_cnt = audio_base[reg_sbuf_size] - pos_read;
   int32_t out_bound_cnt = read_cnt - to_end_cnt;
-  memset(stream, 0, len);
+  // memset(stream, 0, len);
   if (out_bound_cnt > 0) {
     memcpy(stream, sbuf + pos_read, to_end_cnt);
     memcpy(stream + to_end_cnt, sbuf, out_bound_cnt);
@@ -47,7 +47,7 @@ static void audio_callback(void *userdata, uint8_t *stream, int len) {
   }
   pos_read += read_cnt;
   pos_read %= audio_base[reg_sbuf_size];
-  // if (len > read_cnt) memset(stream + read_cnt, 0, len - read_cnt);
+  if (len > read_cnt) memset(stream + read_cnt, 0, len - read_cnt);
   audio_base[reg_count] -= read_cnt;
 }
 

nemu/src/monitor/Kconfig

@@ -0,0 +1,16 @@
+menu "NEMU Configuration Options"
+  config WATCHPOINT
+    bool "Enable Watchpoint"
+    default n
+    help
+      Say Y here if you want to enable watchpoint functionality.
+      This will add performance overhead but is useful for debugging.
+  config LOG_EXPR
+    bool "Enable make_token Log"
+    default n
+    help
+      Say Y here if you want to enable match rules Log
+  config TEST_EXPR
+    bool "Enable test expr program"
+    default n
+endmenu