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feat: difftest framework

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This commit is contained in:
xinyangli 2024-04-05 00:16:58 +08:00
parent 97cf418c86
commit 849f2bb5f3
Signed by: xin
SSH key fingerprint: SHA256:qZ/tzd8lYRtUFSrfBDBMcUqV4GHKxqeqRA3huItgvbk
15 changed files with 318 additions and 84 deletions
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3
nemu/.clang-format
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@ -1,3 +0,0 @@
---
Language: Cpp
BasedOnStyle: LLVM

20
nemu/Kconfig
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@ -126,6 +126,26 @@ endmenu
menu "Testing and Debugging"
choice
prompt "Choose log level"
default LOG_TRACE
config LOG_TRACE
bool "trace"
config LOG_INFO
bool "info"
config LOG_WARNING
bool "warning"
config LOG_ERROR
bool "error"
endchoice
config LOG_LEVEL
int
default 1 if LOG_ERROR
default 2 if LOG_WARNING
default 3 if LOG_INFO
default 4 if LOG_TRACE
default 0
config TRACE
bool "Enable tracer"

66
nemu/include/debug.h
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@ -16,41 +16,59 @@
#ifndef __DEBUG_H__
#define __DEBUG_H__
#include <macro.h>
#include <stdio.h>
#include <utils.h>
#include <macro.h>
IFDEF(CONFIG_ITRACE, void log_itrace_print());
#define Trace(format, ...) \
_Log("[TRACE] " format "\n", ## __VA_ARGS__)
#if (CONFIG_LOG_LEVEL >= 4)
#define Trace(format, ...) _Log("[TRACE] " format "\n", ##__VA_ARGS__)
#else
#define Trace(format, ...)
#endif
#define Log(format, ...) \
_Log(ANSI_FMT("[INFO] %s:%d %s() ", ANSI_FG_BLUE) format "\n", \
__FILE__, __LINE__, __func__, ## __VA_ARGS__)
#if (CONFIG_LOG_LEVEL >= 3)
#define Log(format, ...) \
_Log(ANSI_FMT("[INFO] %s:%d %s() ", ANSI_FG_BLUE) format "\n", __FILE__, \
__LINE__, __func__, ##__VA_ARGS__)
#else
#define Log(format, ...)
#endif
#define Warning(format, ...) \
_Log(ANSI_FMT("[WARNING] %s:%d %s() ", ANSI_FG_YELLOW) format "\n", \
__FILE__, __LINE__, __func__, ## __VA_ARGS__)
#if (CONFIG_LOG_LEVEL >= 2)
#define Warning(format, ...) \
_Log(ANSI_FMT("[WARNING] %s:%d %s() ", ANSI_FG_YELLOW) format "\n", \
__FILE__, __LINE__, __func__, ##__VA_ARGS__)
#else
#define Warning(format, ...)
#endif
#define Error(format, ...) \
_Log(ANSI_FMT("[ERROR] %s:%d %s() ", ANSI_FG_RED) format "\n", \
__FILE__, __LINE__, __func__, ## __VA_ARGS__)
#if (CONFIG_LOG_LEVEL >= 1)
#define Error(format, ...) \
_Log(ANSI_FMT("[ERROR] %s:%d %s() ", ANSI_FG_RED) format "\n", __FILE__, \
__LINE__, __func__, ##__VA_ARGS__)
#else
#define Error(format, ...)
#endif
#define Assert(cond, format, ...) \
do { \
if (!(cond)) { \
MUXDEF(CONFIG_TARGET_AM, printf(ANSI_FMT(format, ANSI_FG_RED) "\n", ## __VA_ARGS__), \
(fflush(stdout), fprintf(stderr, ANSI_FMT(format, ANSI_FG_RED) "\n", ## __VA_ARGS__))); \
IFNDEF(CONFIG_TARGET_AM, extern FILE* log_fp; fflush(log_fp)); \
IFDEF(CONFIG_ITRACE, log_itrace_print()); \
extern void assert_fail_msg(); \
assert_fail_msg(); \
assert(cond); \
} \
#define Assert(cond, format, ...) \
do { \
if (!(cond)) { \
MUXDEF( \
CONFIG_TARGET_AM, \
printf(ANSI_FMT(format, ANSI_FG_RED) "\n", ##__VA_ARGS__), \
(fflush(stdout), fprintf(stderr, ANSI_FMT(format, ANSI_FG_RED) "\n", \
##__VA_ARGS__))); \
IFNDEF(CONFIG_TARGET_AM, extern FILE *log_fp; fflush(log_fp)); \
IFDEF(CONFIG_ITRACE, log_itrace_print()); \
extern void assert_fail_msg(); \
assert_fail_msg(); \
assert(cond); \
} \
} while (0)
#define panic(format, ...) Assert(0, format, ## __VA_ARGS__)
#define panic(format, ...) Assert(0, format, ##__VA_ARGS__)
#define TODO() panic("please implement me")

25
nemu/src/cpu/difftest/ref.c
View file

@ -13,25 +13,34 @@
* See the Mulan PSL v2 for more details.
***************************************************************************************/
#include <isa.h>
#include "types.h"
#include <cpu/cpu.h>
#include <cpu/decode.h>
#include <difftest-def.h>
#include <isa.h>
#include <memory/paddr.h>
__EXPORT void difftest_memcpy(paddr_t addr, void *buf, size_t n, bool direction) {
assert(0);
__EXPORT void difftest_memcpy(paddr_t addr, void *buf, size_t n,
bool direction) {
if (direction == DIFFTEST_TO_REF) {
memcpy(guest_to_host(addr), buf, n);
} else {
assert(0);
}
}
__EXPORT void difftest_regcpy(void *dut, bool direction) {
assert(0);
// assert(0);
if (direction == DIFFTEST_TO_DUT)
memcpy(dut, &cpu, sizeof(CPU_state));
else
memcpy(&cpu, dut, sizeof(CPU_state));
}
__EXPORT void difftest_exec(uint64_t n) {
assert(0);
}
__EXPORT void difftest_exec(uint64_t n) { cpu_exec(n); }
__EXPORT void difftest_raise_intr(word_t NO) {
assert(0);
// assert(0);
}
__EXPORT void difftest_init(int port) {