From 31c8e838b75180e4dc4c6f0c3f1d861ccaaaa277 Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 14:24:22 +0800
Subject: [PATCH 01/16] =?UTF-8?q?>=20=20compile=20201402010101=20=20Static?=
 =?UTF-8?q?=20hostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20comput?=
 =?UTF-8?q?er-laptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2014:24:22=20up=201=20day,=2026=20min,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=201.58,=200.74,=200.37?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 navy-apps/libs/libos/src/syscall.c | 3 +++
 nemu/tools/gen-expr/gen-expr.c     | 9 ++++++---
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/navy-apps/libs/libos/src/syscall.c b/navy-apps/libs/libos/src/syscall.c
index 4d733d0d..c1b9926c 100644
--- a/navy-apps/libs/libos/src/syscall.c
+++ b/navy-apps/libs/libos/src/syscall.c
@@ -76,6 +76,9 @@ int _write(int fd, void* buf, size_t count) {
 extern char  _end;
 static char* proc_brk = &_end;
 void* _sbrk(intptr_t increment) {
+    char tmp[69] = {};
+    sprintf(tmp, "prock_brk == %p\n", proc_brk);
+    write(1, tmp, sizeof(tmp));
     intptr_t pre_brk = (intptr_t)proc_brk;
     intptr_t req_brk = (intptr_t)proc_brk + increment;
     // Attention for the argument passed to the system call.
diff --git a/nemu/tools/gen-expr/gen-expr.c b/nemu/tools/gen-expr/gen-expr.c
index 5f14356b..228401d1 100644
--- a/nemu/tools/gen-expr/gen-expr.c
+++ b/nemu/tools/gen-expr/gen-expr.c
@@ -79,9 +79,12 @@ static inline void gen_rand_op() {
              gen_rand_expr();
              break;
          }
-     } else {
-         gen_rand_num();
-     }
+     } 
+     /*
+      *else {
+      *    gen_rand_num();
+      *}
+      */
      buf[strlen(buf)] = '\0';
  }
 

From f92345713754e604e38946c9f6743d40096fde9b Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 14:24:23 +0800
Subject: [PATCH 02/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2014:24:23=20up=201=20day,=2026=20min,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=201.54,=200.74,=200.37?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit


From cc7184c1b9a6812e1cd6856b5b535913df4349a7 Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 14:31:56 +0800
Subject: [PATCH 03/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2014:31:56=20up=201=20day,=2034=20min,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=200.65,=200.46,=200.34?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 nanos-lite/src/mm.c                | 2 +-
 nanos-lite/src/syscall.c           | 1 +
 navy-apps/libs/libos/src/syscall.c | 6 +++++-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/nanos-lite/src/mm.c b/nanos-lite/src/mm.c
index dca792b7..5cc5fe4d 100644
--- a/nanos-lite/src/mm.c
+++ b/nanos-lite/src/mm.c
@@ -29,7 +29,7 @@ void free_page(void *p) {
 // if brk exceed current->max_brk, we allocate new_page()
 void map(AddrSpace* as, void* va, void* pa, int prot);
 int mm_brk(uintptr_t brk) {
-    printf("brk == %x\n", brk);
+    printf("mm_brk, brk == %x\n", brk);
     printf("current->max_brk == %x\n", current->max_brk);
     if(brk > current->max_brk){
         uintptr_t vaddr = current->max_brk;
diff --git a/nanos-lite/src/syscall.c b/nanos-lite/src/syscall.c
index 04099051..8fc58735 100644
--- a/nanos-lite/src/syscall.c
+++ b/nanos-lite/src/syscall.c
@@ -41,6 +41,7 @@ void do_syscall(Context* c) {
     }
     case SYS_brk:
         //c->GPRx = 0;
+        printf("nanos, brk == %x\n", a[1]);
         c->GPRx = mm_brk(a[1]);
         break;
     case SYS_open:
diff --git a/navy-apps/libs/libos/src/syscall.c b/navy-apps/libs/libos/src/syscall.c
index c1b9926c..09568b05 100644
--- a/navy-apps/libs/libos/src/syscall.c
+++ b/navy-apps/libs/libos/src/syscall.c
@@ -77,7 +77,9 @@ extern char  _end;
 static char* proc_brk = &_end;
 void* _sbrk(intptr_t increment) {
     char tmp[69] = {};
-    sprintf(tmp, "prock_brk == %p\n", proc_brk);
+    sprintf(tmp, "proc_brk == %p\n", proc_brk);
+    write(1, tmp, sizeof(tmp));
+    sprintf(tmp, "increment == %lu\n", increment);
     write(1, tmp, sizeof(tmp));
     intptr_t pre_brk = (intptr_t)proc_brk;
     intptr_t req_brk = (intptr_t)proc_brk + increment;
@@ -86,6 +88,8 @@ void* _sbrk(intptr_t increment) {
         return (void*)-1; 
     }
 
+    sprintf(tmp, "req_brk == %lu\n", req_brk);
+    write(1, tmp, sizeof(tmp));
     if(!_syscall_(SYS_brk, (intptr_t)&req_brk, 0, 0)){
         proc_brk += increment;
         return (void*)pre_brk;

From 654cf69c8a90c0cc64125f42adf783498d873ef1 Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 14:43:40 +0800
Subject: [PATCH 04/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2014:43:40=20up=201=20day,=2046=20min,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=201.89,=200.66,=200.38?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 navy-apps/libs/libos/src/syscall.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/navy-apps/libs/libos/src/syscall.c b/navy-apps/libs/libos/src/syscall.c
index 09568b05..678c653b 100644
--- a/navy-apps/libs/libos/src/syscall.c
+++ b/navy-apps/libs/libos/src/syscall.c
@@ -3,6 +3,7 @@
 #include <errno.h>
 #include <assert.h>
 #include <unistd.h>
+#include <string.h>
 #include <sys/stat.h>
 #include <sys/time.h>
 #include "syscall.h"
@@ -79,17 +80,19 @@ void* _sbrk(intptr_t increment) {
     char tmp[69] = {};
     sprintf(tmp, "proc_brk == %p\n", proc_brk);
     write(1, tmp, sizeof(tmp));
+    memset(tmp, 0, 69);
     sprintf(tmp, "increment == %lu\n", increment);
     write(1, tmp, sizeof(tmp));
     intptr_t pre_brk = (intptr_t)proc_brk;
     intptr_t req_brk = (intptr_t)proc_brk + increment;
+    memset(tmp, 0, 69);
+    sprintf(tmp, "req_brk == %lu\n", req_brk);
+    write(1, tmp, sizeof(tmp));
     // Attention for the argument passed to the system call.
     if((char *)req_brk < &_end){
         return (void*)-1; 
     }
 
-    sprintf(tmp, "req_brk == %lu\n", req_brk);
-    write(1, tmp, sizeof(tmp));
     if(!_syscall_(SYS_brk, (intptr_t)&req_brk, 0, 0)){
         proc_brk += increment;
         return (void*)pre_brk;

From 2414b3b04199c8c4a2f1b37f3de9071ff1860c17 Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 14:46:47 +0800
Subject: [PATCH 05/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2014:46:47=20up=201=20day,=2049=20min,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=202.34,=200.97,=200.52?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 navy-apps/libs/libos/src/syscall.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/navy-apps/libs/libos/src/syscall.c b/navy-apps/libs/libos/src/syscall.c
index 678c653b..0ff75446 100644
--- a/navy-apps/libs/libos/src/syscall.c
+++ b/navy-apps/libs/libos/src/syscall.c
@@ -78,15 +78,17 @@ extern char  _end;
 static char* proc_brk = &_end;
 void* _sbrk(intptr_t increment) {
     char tmp[69] = {};
-    sprintf(tmp, "proc_brk == %p\n", proc_brk);
+    sprintf(tmp, "navy, proc_brk == %p\n", proc_brk);
     write(1, tmp, sizeof(tmp));
     memset(tmp, 0, 69);
-    sprintf(tmp, "increment == %lu\n", increment);
+    sprintf(tmp, "navy, increment == %p\n", (char*)increment);
+    sprintf(tmp, "navy, increment == %lu\n", increment);
     write(1, tmp, sizeof(tmp));
     intptr_t pre_brk = (intptr_t)proc_brk;
     intptr_t req_brk = (intptr_t)proc_brk + increment;
     memset(tmp, 0, 69);
-    sprintf(tmp, "req_brk == %lu\n", req_brk);
+    sprintf(tmp, "navy, req_brk == %p\n", (char*)req_brk);
+    sprintf(tmp, "navy, req_brk == %lu\n", req_brk);
     write(1, tmp, sizeof(tmp));
     // Attention for the argument passed to the system call.
     if((char *)req_brk < &_end){

From a91b54fb97ff71d8273c5b0ed5d7f97c17e83f70 Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 14:48:14 +0800
Subject: [PATCH 06/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2014:48:14=20up=201=20day,=2050=20min,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=201.84,=201.13,=200.62?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit


From fbf93bc30cdc1b8dcfe8ac1021d4a93326858471 Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 14:50:26 +0800
Subject: [PATCH 07/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2014:50:26=20up=201=20day,=2052=20min,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=202.45,=201.38,=200.76?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 navy-apps/libs/libos/src/syscall.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/navy-apps/libs/libos/src/syscall.c b/navy-apps/libs/libos/src/syscall.c
index 0ff75446..3ed9db97 100644
--- a/navy-apps/libs/libos/src/syscall.c
+++ b/navy-apps/libs/libos/src/syscall.c
@@ -82,14 +82,19 @@ void* _sbrk(intptr_t increment) {
     write(1, tmp, sizeof(tmp));
     memset(tmp, 0, 69);
     sprintf(tmp, "navy, increment == %p\n", (char*)increment);
+    write(1, tmp, sizeof(tmp));
+    memset(tmp, 0, 69);
     sprintf(tmp, "navy, increment == %lu\n", increment);
     write(1, tmp, sizeof(tmp));
+    memset(tmp, 0, 69);
     intptr_t pre_brk = (intptr_t)proc_brk;
     intptr_t req_brk = (intptr_t)proc_brk + increment;
-    memset(tmp, 0, 69);
     sprintf(tmp, "navy, req_brk == %p\n", (char*)req_brk);
+    write(1, tmp, sizeof(tmp));
+    memset(tmp, 0, 69);
     sprintf(tmp, "navy, req_brk == %lu\n", req_brk);
     write(1, tmp, sizeof(tmp));
+    memset(tmp, 0, 69);
     // Attention for the argument passed to the system call.
     if((char *)req_brk < &_end){
         return (void*)-1; 

From aba76f6265bd737f048660a6025abb3bfe43f9e9 Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 15:07:28 +0800
Subject: [PATCH 08/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2015:07:28=20up=201=20day,=20=201:09,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=200.34,=200.44,=200.51?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 abstract-machine/am/src/x86/nemu/cte.c | 2 ++
 navy-apps/libs/libos/src/syscall.c     | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/abstract-machine/am/src/x86/nemu/cte.c b/abstract-machine/am/src/x86/nemu/cte.c
index 5d7993b7..e52647f3 100644
--- a/abstract-machine/am/src/x86/nemu/cte.c
+++ b/abstract-machine/am/src/x86/nemu/cte.c
@@ -33,6 +33,8 @@ Context* __am_irq_handle(Context* c) {
             ev.event = EVENT_IRQ_TIMER;
             break;
         case 0x80:
+            if(c->eax == 9)
+                printf("Int trap, a[1] == %x\n", c->ebx);
             ev.event = EVENT_SYSCALL;
             break;
         case 0x81:
diff --git a/navy-apps/libs/libos/src/syscall.c b/navy-apps/libs/libos/src/syscall.c
index 3ed9db97..84539d40 100644
--- a/navy-apps/libs/libos/src/syscall.c
+++ b/navy-apps/libs/libos/src/syscall.c
@@ -49,6 +49,14 @@
 #endif
 
 intptr_t _syscall_(intptr_t type, intptr_t a0, intptr_t a1, intptr_t a2) {
+    if(type == 9){
+        char tmp[69] = {};
+        sprintf(tmp, "navy, brk _syscall_, brk == %p\n", (char*)a0);
+        write(1, tmp, sizeof(tmp));
+        memset(tmp, 0, 69);
+        sprintf(tmp, "navy, brk _syscall_, brk == %lu\n", a0);
+        write(1, tmp, sizeof(tmp));
+    }
     register intptr_t _gpr1 asm(GPR1) = type;
     register intptr_t _gpr2 asm(GPR2) = a0;
     register intptr_t _gpr3 asm(GPR3) = a1;

From 4c15bfd974d39945af8c3ad753b2c162774608a2 Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 15:14:03 +0800
Subject: [PATCH 09/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2015:14:03=20up=201=20day,=20=201:16,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=200.21,=200.32,=200.43?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 navy-apps/libs/libos/src/syscall.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/navy-apps/libs/libos/src/syscall.c b/navy-apps/libs/libos/src/syscall.c
index 84539d40..16edc9c8 100644
--- a/navy-apps/libs/libos/src/syscall.c
+++ b/navy-apps/libs/libos/src/syscall.c
@@ -62,6 +62,9 @@ intptr_t _syscall_(intptr_t type, intptr_t a0, intptr_t a1, intptr_t a2) {
     register intptr_t _gpr3 asm(GPR3) = a1;
     register intptr_t _gpr4 asm(GPR4) = a2;
     register intptr_t ret asm(GPRx);
+    char tmp[69] = {};
+    sprintf(tmp, "navy, brk _syscall_, brk == %lu\n", _gpr2);
+    write(1, tmp, sizeof(tmp));
     asm volatile(SYSCALL
                  : "=r"(ret)
                  : "r"(_gpr1), "r"(_gpr2), "r"(_gpr3), "r"(_gpr4));

From 9ee0fc80e7c9ea3ad8d3fda2885a1ee16c373f23 Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 15:14:55 +0800
Subject: [PATCH 10/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2015:14:55=20up=201=20day,=20=201:17,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=201.03,=200.57,=200.51?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit


From 6a7ad1c9fc740de9d1fc5e8f0aab1c6f005ff22f Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 15:17:18 +0800
Subject: [PATCH 11/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2015:17:19=20up=201=20day,=20=201:19,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=200.28,=200.44,=200.47?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 navy-apps/libs/libos/src/syscall.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/navy-apps/libs/libos/src/syscall.c b/navy-apps/libs/libos/src/syscall.c
index 16edc9c8..84539d40 100644
--- a/navy-apps/libs/libos/src/syscall.c
+++ b/navy-apps/libs/libos/src/syscall.c
@@ -62,9 +62,6 @@ intptr_t _syscall_(intptr_t type, intptr_t a0, intptr_t a1, intptr_t a2) {
     register intptr_t _gpr3 asm(GPR3) = a1;
     register intptr_t _gpr4 asm(GPR4) = a2;
     register intptr_t ret asm(GPRx);
-    char tmp[69] = {};
-    sprintf(tmp, "navy, brk _syscall_, brk == %lu\n", _gpr2);
-    write(1, tmp, sizeof(tmp));
     asm volatile(SYSCALL
                  : "=r"(ret)
                  : "r"(_gpr1), "r"(_gpr2), "r"(_gpr3), "r"(_gpr4));

From 85c8b0d1e8ba7bb86fc82f89bc59a4055e50013f Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 15:18:05 +0800
Subject: [PATCH 12/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2015:18:05=20up=201=20day,=20=201:20,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=202.26,=201.02,=200.67?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit


From 754d14a6131f9ec23cb68804bc0b1b1fc5f7983c Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 15:22:58 +0800
Subject: [PATCH 13/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2015:22:58=20up=201=20day,=20=201:25,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=200.87,=200.95,=200.74?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 navy-apps/libs/libos/src/syscall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/navy-apps/libs/libos/src/syscall.c b/navy-apps/libs/libos/src/syscall.c
index 84539d40..a5da2d50 100644
--- a/navy-apps/libs/libos/src/syscall.c
+++ b/navy-apps/libs/libos/src/syscall.c
@@ -108,7 +108,7 @@ void* _sbrk(intptr_t increment) {
         return (void*)-1; 
     }
 
-    if(!_syscall_(SYS_brk, (intptr_t)&req_brk, 0, 0)){
+    if(!_syscall_(SYS_brk, (intptr_t)req_brk, 0, 0)){
         proc_brk += increment;
         return (void*)pre_brk;
     } else {

From 23a17255c739e5033ef179305d2efd565b25f275 Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 15:23:35 +0800
Subject: [PATCH 14/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2015:23:35=20up=201=20day,=20=201:25,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=202.28,=201.32,=200.88?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit


From 55cebed59c73ae44f43d39d2ab46a8b5b7b96413 Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 15:24:23 +0800
Subject: [PATCH 15/16] =?UTF-8?q?>=20=20compile=20201402010101=20=20Static?=
 =?UTF-8?q?=20hostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20comput?=
 =?UTF-8?q?er-laptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2015:24:23=20up=201=20day,=20=201:26,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=201.49,=201.26,=200.88?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 nemu/src/device/intr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nemu/src/device/intr.c b/nemu/src/device/intr.c
index 223fc4db..a312605e 100644
--- a/nemu/src/device/intr.c
+++ b/nemu/src/device/intr.c
@@ -1,5 +1,5 @@
 #include <isa.h>
 
 void dev_raise_intr() {
-    //cpu.INTR = true;
+    cpu.INTR = true;
 }

From 8c9b19a81f91e80978cdf82266a01ab61906be96 Mon Sep 17 00:00:00 2001
From: tracer-ics2020 <tracer@njuics.org>
Date: Sat, 4 Jan 2025 15:24:24 +0800
Subject: [PATCH 16/16] =?UTF-8?q?>=20=20run=20201402010101=20=20Static=20h?=
 =?UTF-8?q?ostname:=20can=20=20=20=20=20=20=20=20Icon=20name:=20computer-l?=
 =?UTF-8?q?aptop=20=20=20=20=20=20=20=20=20=20Chassis:=20laptop=20?=
 =?UTF-8?q?=F0=9F=92=BB=20=20=20=20=20=20=20Machine=20ID:=2006c3734070b740?=
 =?UTF-8?q?5e8db24a5b903dca16=20=20=20=20=20=20=20=20=20=20Boot=20ID:=20cd?=
 =?UTF-8?q?d37bb1b7c1472284c1e4b833d2b53d=20Operating=20System:=20Arch=20L?=
 =?UTF-8?q?inux=20=20=20=20=20=20=20=20=20=20=20Kernel:=20Linux=206.12.7-a?=
 =?UTF-8?q?rch1-1=20=20=20=20=20Architecture:=20x86-64=20=20Hardware=20Ven?=
 =?UTF-8?q?dor:=20Dell=20Inc.=20=20=20Hardware=20Model:=20Inspiron=205490?=
 =?UTF-8?q?=20Firmware=20Version:=201.9.0=20=20=20=20Firmware=20Date:=20We?=
 =?UTF-8?q?d=202020-06-17=20=20=20=20=20Firmware=20Age:=204y=206month=202w?=
 =?UTF-8?q?=204d=20=2015:24:24=20up=201=20day,=20=201:26,=20=201=20user,?=
 =?UTF-8?q?=20=20load=20average:=201.49,=201.26,=200.88?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit