diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000000000000000000000000000000000000..f0594c75363b66f4dd780677a096efa671669161
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,7 @@
+{
+ "files.associations": {
+ "*.c": "c",
+ "syscall.h": "c",
+ "sysnum.h": "c"
+ }
+}
\ No newline at end of file
diff --git a/kernel/include/initcode.h b/kernel/include/initcode.h
index 1768fcfc00e84457768239505c293d08eb134094..3de4731f1d106710a0e8e13a8407cdd980207b0a 100644
--- a/kernel/include/initcode.h
+++ b/kernel/include/initcode.h
@@ -1,15 +1,15 @@
0x01,0x11,0x06,0xec,0x22,0xe8,0x26,0xe4,0x00,0x10,0x01,0x46,0x85,0x45,0x09,0x45,
-0x97,0x00,0x00,0x00,0xe7,0x80,0x20,0x41,0x01,0x45,0x97,0x00,0x00,0x00,0xe7,0x80,
-0x80,0x3d,0x01,0x45,0x97,0x00,0x00,0x00,0xe7,0x80,0xe0,0x3c,0x17,0x15,0x00,0x00,
-0x13,0x05,0x45,0x8b,0x97,0x00,0x00,0x00,0xe7,0x80,0xc0,0x6e,0x97,0x00,0x00,0x00,
+0x97,0x00,0x00,0x00,0xe7,0x80,0x40,0x41,0x01,0x45,0x97,0x00,0x00,0x00,0xe7,0x80,
+0xa0,0x3d,0x01,0x45,0x97,0x00,0x00,0x00,0xe7,0x80,0x00,0x3d,0x17,0x15,0x00,0x00,
+0x13,0x05,0x45,0x8b,0x97,0x00,0x00,0x00,0xe7,0x80,0x00,0x6f,0x97,0x00,0x00,0x00,
0xe7,0x80,0xc0,0x34,0x63,0x4a,0x05,0x02,0xaa,0x84,0x21,0xc5,0x01,0x45,0x97,0x00,
-0x00,0x00,0xe7,0x80,0xa0,0x34,0x63,0x87,0xa4,0x06,0xe3,0x59,0x05,0xfe,0x17,0x15,
-0x00,0x00,0x13,0x05,0xa5,0x8c,0x97,0x00,0x00,0x00,0xe7,0x80,0xa0,0x6b,0x05,0x45,
+0x00,0x00,0xe7,0x80,0xc0,0x34,0x63,0x87,0xa4,0x06,0xe3,0x59,0x05,0xfe,0x17,0x15,
+0x00,0x00,0x13,0x05,0xa5,0x8c,0x97,0x00,0x00,0x00,0xe7,0x80,0xe0,0x6b,0x05,0x45,
0x97,0x00,0x00,0x00,0xe7,0x80,0x00,0x32,0x17,0x15,0x00,0x00,0x13,0x05,0x05,0x88,
-0x97,0x00,0x00,0x00,0xe7,0x80,0x00,0x6a,0x05,0x45,0x97,0x00,0x00,0x00,0xe7,0x80,
+0x97,0x00,0x00,0x00,0xe7,0x80,0x40,0x6a,0x05,0x45,0x97,0x00,0x00,0x00,0xe7,0x80,
0x60,0x30,0x97,0x15,0x00,0x00,0x93,0x85,0xe5,0xd2,0x17,0x15,0x00,0x00,0x03,0x35,
-0xe5,0xd1,0x97,0x00,0x00,0x00,0xe7,0x80,0x80,0x32,0x17,0x15,0x00,0x00,0x13,0x05,
-0x65,0x86,0x97,0x00,0x00,0x00,0xe7,0x80,0xe0,0x66,0x05,0x45,0x97,0x00,0x00,0x00,
+0xe5,0xd1,0x97,0x00,0x00,0x00,0xe7,0x80,0xa0,0x32,0x17,0x15,0x00,0x00,0x13,0x05,
+0x65,0x86,0x97,0x00,0x00,0x00,0xe7,0x80,0x20,0x67,0x05,0x45,0x97,0x00,0x00,0x00,
0xe7,0x80,0x40,0x2d,0x93,0x08,0x20,0x0d,0x73,0x00,0x00,0x00,0x01,0x45,0xe2,0x60,
0x42,0x64,0xa2,0x64,0x05,0x61,0x82,0x80,0x41,0x11,0x22,0xe4,0x00,0x08,0xaa,0x87,
0x85,0x05,0x85,0x07,0x03,0xc7,0xf5,0xff,0xa3,0x8f,0xe7,0xfe,0x75,0xfb,0x22,0x64,
@@ -29,14 +29,14 @@
0x86,0xec,0xa2,0xe8,0xa6,0xe4,0xca,0xe0,0x4e,0xfc,0x52,0xf8,0x56,0xf4,0x5a,0xf0,
0x5e,0xec,0x62,0xe8,0x80,0x10,0xaa,0x8b,0x2e,0x8a,0x2a,0x89,0x81,0x44,0x93,0x0a,
0xf4,0xfa,0x29,0x4b,0x35,0x4c,0xa6,0x89,0x85,0x24,0x63,0xd7,0x44,0x03,0x05,0x46,
-0xd6,0x85,0x01,0x45,0x97,0x00,0x00,0x00,0xe7,0x80,0x40,0x1b,0x63,0x5e,0xa0,0x00,
+0xd6,0x85,0x01,0x45,0x97,0x00,0x00,0x00,0xe7,0x80,0x60,0x1b,0x63,0x5e,0xa0,0x00,
0x83,0x47,0xf4,0xfa,0x23,0x00,0xf9,0x00,0x63,0x87,0x67,0x01,0x05,0x09,0xe3,0x9c,
0x87,0xfd,0xa6,0x89,0x11,0xa0,0xa6,0x89,0xde,0x99,0x23,0x80,0x09,0x00,0x5e,0x85,
0xe6,0x60,0x46,0x64,0xa6,0x64,0x06,0x69,0xe2,0x79,0x42,0x7a,0xa2,0x7a,0x02,0x7b,
0xe2,0x6b,0x42,0x6c,0x25,0x61,0x82,0x80,0x01,0x11,0x06,0xec,0x22,0xe8,0x4a,0xe0,
-0x00,0x10,0x2e,0x89,0x81,0x45,0x97,0x00,0x00,0x00,0xe7,0x80,0xc0,0x18,0x63,0x46,
-0x05,0x02,0x26,0xe4,0xaa,0x84,0xca,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x20,0x18,
-0x2a,0x89,0x26,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x60,0x15,0xa2,0x64,0x4a,0x85,
+0x00,0x10,0x2e,0x89,0x81,0x45,0x97,0x00,0x00,0x00,0xe7,0x80,0xe0,0x18,0x63,0x46,
+0x05,0x02,0x26,0xe4,0xaa,0x84,0xca,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x40,0x18,
+0x2a,0x89,0x26,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x80,0x15,0xa2,0x64,0x4a,0x85,
0xe2,0x60,0x42,0x64,0x02,0x69,0x05,0x61,0x82,0x80,0x7d,0x59,0xcd,0xbf,0x41,0x11,
0x22,0xe4,0x00,0x08,0x03,0x47,0x05,0x00,0x93,0x07,0xd0,0x02,0x85,0x45,0x63,0x03,
0xf7,0x04,0x03,0x47,0x05,0x00,0x9b,0x07,0x07,0xfd,0x93,0xf7,0xf7,0x0f,0xa5,0x46,
@@ -55,104 +55,104 @@
0x19,0xa0,0x3b,0x85,0xe7,0x40,0x22,0x64,0x41,0x01,0x82,0x80,0x01,0x45,0xe5,0xbf,
0x41,0x11,0x06,0xe4,0x22,0xe0,0x00,0x08,0x97,0x00,0x00,0x00,0xe7,0x80,0x60,0xf6,
0xa2,0x60,0x02,0x64,0x41,0x01,0x82,0x80,0x85,0x48,0x73,0x00,0x00,0x00,0x82,0x80,
-0x89,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0x8d,0x48,0x73,0x00,0x00,0x00,0x82,0x80,
-0x91,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0x95,0x48,0x73,0x00,0x00,0x00,0x82,0x80,
-0x93,0x08,0x00,0x04,0x73,0x00,0x00,0x00,0x82,0x80,0xd5,0x48,0x73,0x00,0x00,0x00,
-0x82,0x80,0x99,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0x9d,0x48,0x73,0x00,0x00,0x00,
-0x82,0x80,0xbd,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xa1,0x48,0x73,0x00,0x00,0x00,
-0x82,0x80,0xd1,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xa5,0x48,0x73,0x00,0x00,0x00,
-0x82,0x80,0xa9,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xad,0x48,0x73,0x00,0x00,0x00,
-0x82,0x80,0xb1,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xb5,0x48,0x73,0x00,0x00,0x00,
-0x82,0x80,0xb9,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xd9,0x48,0x73,0x00,0x00,0x00,
-0x82,0x80,0xdd,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xe1,0x48,0x73,0x00,0x00,0x00,
-0x82,0x80,0xe5,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xc5,0x48,0x73,0x00,0x00,0x00,
-0x82,0x80,0xc9,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xcd,0x48,0x73,0x00,0x00,0x00,
-0x82,0x80,0xe9,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0x01,0x11,0x06,0xec,0x22,0xe8,
-0x00,0x10,0xa3,0x07,0xb4,0xfe,0x05,0x46,0x93,0x05,0xf4,0xfe,0x97,0x00,0x00,0x00,
-0xe7,0x80,0x40,0xf4,0xe2,0x60,0x42,0x64,0x05,0x61,0x82,0x80,0x39,0x71,0x06,0xfc,
-0x22,0xf8,0x26,0xf4,0x4e,0xec,0x80,0x00,0xaa,0x84,0x99,0xc2,0x63,0xc9,0x05,0x08,
-0x81,0x25,0x81,0x48,0x93,0x09,0x04,0xfc,0xce,0x86,0x01,0x47,0x01,0x26,0x17,0x05,
-0x00,0x00,0x13,0x05,0x25,0x51,0x3a,0x88,0x05,0x27,0xbb,0xf7,0xc5,0x02,0x82,0x17,
-0x81,0x93,0xaa,0x97,0x83,0xc7,0x07,0x00,0x23,0x80,0xf6,0x00,0x9b,0x87,0x05,0x00,
-0xbb,0xd5,0xc5,0x02,0x85,0x06,0xe3,0xf0,0xc7,0xfe,0x63,0x8c,0x08,0x00,0x93,0x07,
-0x07,0xfd,0x33,0x87,0x87,0x00,0x93,0x07,0xd0,0x02,0x23,0x08,0xf7,0xfe,0x1b,0x07,
-0x28,0x00,0x63,0x58,0xe0,0x02,0x4a,0xf0,0x13,0x09,0x04,0xfc,0x3a,0x99,0xfd,0x19,
-0xba,0x99,0x7d,0x37,0x02,0x17,0x01,0x93,0xb3,0x89,0xe9,0x40,0x83,0x45,0xf9,0xff,
-0x26,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x80,0xf5,0x7d,0x19,0xe3,0x18,0x39,0xff,
-0x02,0x79,0xe2,0x70,0x42,0x74,0xa2,0x74,0xe2,0x69,0x21,0x61,0x82,0x80,0xbb,0x05,
-0xb0,0x40,0x85,0x48,0x85,0xbf,0x5d,0x71,0x86,0xe4,0xa2,0xe0,0x4a,0xf8,0x80,0x08,
-0x03,0xc9,0x05,0x00,0x63,0x0a,0x09,0x1a,0x26,0xfc,0x4e,0xf4,0x52,0xf0,0x56,0xec,
-0x5a,0xe8,0x5e,0xe4,0xaa,0x8a,0xb2,0x8b,0x93,0x84,0x15,0x00,0x81,0x49,0x13,0x0a,
-0x50,0x02,0x55,0x4b,0x39,0xa8,0xca,0x85,0x56,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,
-0x00,0xf0,0x19,0xa0,0x63,0x8d,0x49,0x01,0x85,0x04,0x03,0xc9,0xf4,0xff,0x63,0x07,
-0x09,0x16,0xe3,0x99,0x09,0xfe,0xe3,0x10,0x49,0xff,0xd2,0x89,0xf5,0xb7,0x63,0x04,
-0x49,0x13,0x9b,0x07,0xd9,0xf9,0x93,0xf7,0xf7,0x0f,0x63,0x67,0xfb,0x12,0x9b,0x07,
-0xd9,0xf9,0x13,0xf7,0xf7,0x0f,0x63,0x61,0xeb,0x12,0x93,0x17,0x27,0x00,0x17,0x07,
-0x00,0x00,0x13,0x07,0xa7,0x3b,0xba,0x97,0x9c,0x43,0xba,0x97,0x82,0x87,0x13,0x89,
-0x8b,0x00,0x85,0x46,0x29,0x46,0x83,0xa5,0x0b,0x00,0x56,0x85,0x97,0x00,0x00,0x00,
-0xe7,0x80,0x00,0xec,0xca,0x8b,0x81,0x49,0x45,0xb7,0x13,0x89,0x8b,0x00,0x81,0x46,
-0x29,0x46,0x83,0xa5,0x0b,0x00,0x56,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x40,0xea,
-0xca,0x8b,0x81,0x49,0x51,0xb7,0x13,0x89,0x8b,0x00,0x81,0x46,0x41,0x46,0x83,0xa5,
-0x0b,0x00,0x56,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x80,0xe8,0xca,0x8b,0x81,0x49,
-0xa5,0xb7,0x62,0xe0,0x13,0x8c,0x8b,0x00,0x83,0xb9,0x0b,0x00,0x93,0x05,0x00,0x03,
-0x56,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x80,0xe4,0x93,0x05,0x80,0x07,0x56,0x85,
-0x97,0x00,0x00,0x00,0xe7,0x80,0xa0,0xe3,0x41,0x49,0x97,0x0b,0x00,0x00,0x93,0x8b,
-0x6b,0x38,0x93,0xd7,0xc9,0x03,0xde,0x97,0x83,0xc5,0x07,0x00,0x56,0x85,0x97,0x00,
-0x00,0x00,0xe7,0x80,0xc0,0xe1,0x92,0x09,0x7d,0x39,0xe3,0x14,0x09,0xfe,0xe2,0x8b,
-0x81,0x49,0x02,0x6c,0x11,0xbf,0x93,0x89,0x8b,0x00,0x03,0xb9,0x0b,0x00,0x63,0x01,
-0x09,0x02,0x83,0x45,0x09,0x00,0xa5,0xc9,0x56,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,
-0x00,0xdf,0x05,0x09,0x83,0x45,0x09,0x00,0xe5,0xf9,0xce,0x8b,0x81,0x49,0xed,0xb5,
-0x17,0x09,0x00,0x00,0x13,0x09,0x09,0x2d,0x93,0x05,0x80,0x02,0xf1,0xbf,0x13,0x89,
-0x8b,0x00,0x83,0xc5,0x0b,0x00,0x56,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x20,0xdc,
-0xca,0x8b,0x81,0x49,0xd1,0xb5,0x93,0x05,0x50,0x02,0x56,0x85,0x97,0x00,0x00,0x00,
-0xe7,0x80,0xe0,0xda,0x81,0x49,0x4d,0xbd,0x93,0x05,0x50,0x02,0x56,0x85,0x97,0x00,
-0x00,0x00,0xe7,0x80,0xc0,0xd9,0xca,0x85,0x56,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,
-0x00,0xd9,0x81,0x49,0x51,0xbd,0xce,0x8b,0x81,0x49,0x79,0xb5,0xe2,0x74,0xa2,0x79,
-0x02,0x7a,0xe2,0x6a,0x42,0x6b,0xa2,0x6b,0xa6,0x60,0x06,0x64,0x42,0x79,0x61,0x61,
-0x82,0x80,0x5d,0x71,0x06,0xec,0x22,0xe8,0x00,0x10,0x10,0xe0,0x14,0xe4,0x18,0xe8,
-0x1c,0xec,0x23,0x30,0x04,0x03,0x23,0x34,0x14,0x03,0x22,0x86,0x23,0x34,0x84,0xfe,
-0x97,0x00,0x00,0x00,0xe7,0x80,0x60,0xe1,0xe2,0x60,0x42,0x64,0x61,0x61,0x82,0x80,
-0x1d,0x71,0x06,0xec,0x22,0xe8,0x00,0x10,0x0c,0xe4,0x10,0xe8,0x14,0xec,0x18,0xf0,
-0x1c,0xf4,0x23,0x38,0x04,0x03,0x23,0x3c,0x14,0x03,0x13,0x06,0x84,0x00,0x23,0x34,
-0xc4,0xfe,0xaa,0x85,0x05,0x45,0x97,0x00,0x00,0x00,0xe7,0x80,0x00,0xde,0xe2,0x60,
-0x42,0x64,0x25,0x61,0x82,0x80,0x41,0x11,0x22,0xe4,0x00,0x08,0x93,0x06,0x05,0xff,
-0x97,0x07,0x00,0x00,0x83,0xb7,0x87,0x66,0x2d,0xa0,0x18,0x46,0x2d,0x9f,0x23,0x2c,
-0xe5,0xfe,0x98,0x63,0x10,0x63,0x3d,0xa8,0x03,0x27,0x85,0xff,0x31,0x9f,0x98,0xc7,
-0x83,0x36,0x05,0xff,0x91,0xa0,0x98,0x63,0x63,0xe4,0xe7,0x00,0x63,0xea,0xe6,0x00,
-0xba,0x87,0xe3,0xfa,0xd7,0xfe,0x98,0x63,0x63,0xe4,0xe6,0x00,0xe3,0xea,0xe7,0xfe,
-0x83,0x25,0x85,0xff,0x90,0x63,0x13,0x98,0x05,0x02,0x13,0x57,0xc8,0x01,0x36,0x97,
-0xe3,0x0d,0xe6,0xfa,0x23,0x38,0xc5,0xfe,0x90,0x47,0x93,0x15,0x06,0x02,0x13,0xd7,
-0xc5,0x01,0x3e,0x97,0xe3,0x8a,0xe6,0xfa,0x94,0xe3,0x17,0x07,0x00,0x00,0x23,0x3f,
-0xf7,0x5e,0x22,0x64,0x41,0x01,0x82,0x80,0x39,0x71,0x06,0xfc,0x22,0xf8,0x26,0xf4,
-0x4e,0xec,0x80,0x00,0x93,0x14,0x05,0x02,0x81,0x90,0xbd,0x04,0x91,0x80,0x9b,0x89,
-0x14,0x00,0x85,0x04,0x17,0x05,0x00,0x00,0x03,0x35,0x45,0x5d,0x15,0xc9,0x1c,0x61,
-0x98,0x47,0x63,0x7f,0x97,0x08,0x4a,0xf0,0x52,0xe8,0x56,0xe4,0x5a,0xe0,0x4e,0x8a,
-0x1b,0x87,0x09,0x00,0x85,0x66,0x63,0x73,0xd7,0x00,0x05,0x6a,0x1b,0x0b,0x0a,0x00,
-0x1b,0x1a,0x4a,0x00,0x17,0x09,0x00,0x00,0x13,0x09,0x49,0x5a,0xfd,0x5a,0x99,0xa0,
-0x4a,0xf0,0x52,0xe8,0x56,0xe4,0x5a,0xe0,0x17,0x07,0x00,0x00,0x13,0x07,0x07,0x59,
-0x97,0x07,0x00,0x00,0x93,0x87,0x07,0x59,0x1c,0xe3,0x1c,0xe7,0x23,0x28,0x07,0x00,
-0x7d,0xbf,0x98,0x63,0x18,0xe1,0x8d,0xa0,0x23,0x24,0x65,0x01,0x41,0x05,0x97,0x00,
-0x00,0x00,0xe7,0x80,0x80,0xef,0x03,0x35,0x09,0x00,0x3d,0xc1,0x1c,0x61,0x98,0x47,
-0x63,0x74,0x97,0x02,0x03,0x37,0x09,0x00,0x3e,0x85,0xe3,0x19,0xf7,0xfe,0x52,0x85,
-0x97,0x00,0x00,0x00,0xe7,0x80,0x20,0xb8,0xe3,0x18,0x55,0xfd,0x01,0x45,0x02,0x79,
-0x42,0x6a,0xa2,0x6a,0x02,0x6b,0x3d,0xa0,0x02,0x79,0x42,0x6a,0xa2,0x6a,0x02,0x6b,
-0xe3,0x89,0xe4,0xfa,0x3b,0x07,0x37,0x41,0x98,0xc7,0x93,0x16,0x07,0x02,0x13,0xd7,
-0xc6,0x01,0xba,0x97,0x23,0xa4,0x37,0x01,0x17,0x07,0x00,0x00,0x23,0x38,0xa7,0x50,
-0x13,0x85,0x07,0x01,0xe2,0x70,0x42,0x74,0xa2,0x74,0xe2,0x69,0x21,0x61,0x82,0x80,
-0x02,0x79,0x42,0x6a,0xa2,0x6a,0x02,0x6b,0xf5,0xb7,0x00,0x00,0x00,0x00,0x00,0x00,
+0x93,0x08,0xd0,0x05,0x73,0x00,0x00,0x00,0x82,0x80,0x8d,0x48,0x73,0x00,0x00,0x00,
+0x82,0x80,0x91,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0x95,0x48,0x73,0x00,0x00,0x00,
+0x82,0x80,0x93,0x08,0x00,0x04,0x73,0x00,0x00,0x00,0x82,0x80,0xd5,0x48,0x73,0x00,
+0x00,0x00,0x82,0x80,0x99,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0x9d,0x48,0x73,0x00,
+0x00,0x00,0x82,0x80,0xbd,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xa1,0x48,0x73,0x00,
+0x00,0x00,0x82,0x80,0xd1,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xa5,0x48,0x73,0x00,
+0x00,0x00,0x82,0x80,0xdd,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xad,0x48,0x73,0x00,
+0x00,0x00,0x82,0x80,0xb1,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xb5,0x48,0x73,0x00,
+0x00,0x00,0x82,0x80,0xb9,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xd9,0x48,0x73,0x00,
+0x00,0x00,0x82,0x80,0x93,0x08,0xb0,0x07,0x73,0x00,0x00,0x00,0x82,0x80,0xe1,0x48,
+0x73,0x00,0x00,0x00,0x82,0x80,0xe5,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xc5,0x48,
+0x73,0x00,0x00,0x00,0x82,0x80,0xc9,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0xcd,0x48,
+0x73,0x00,0x00,0x00,0x82,0x80,0xe9,0x48,0x73,0x00,0x00,0x00,0x82,0x80,0x01,0x11,
+0x06,0xec,0x22,0xe8,0x00,0x10,0xa3,0x07,0xb4,0xfe,0x05,0x46,0x93,0x05,0xf4,0xfe,
+0x97,0x00,0x00,0x00,0xe7,0x80,0x20,0xf4,0xe2,0x60,0x42,0x64,0x05,0x61,0x82,0x80,
+0x39,0x71,0x06,0xfc,0x22,0xf8,0x26,0xf4,0x4e,0xec,0x80,0x00,0xaa,0x84,0x99,0xc2,
+0x63,0xc9,0x05,0x08,0x81,0x25,0x81,0x48,0x93,0x09,0x04,0xfc,0xce,0x86,0x01,0x47,
+0x01,0x26,0x17,0x05,0x00,0x00,0x13,0x05,0xe5,0x50,0x3a,0x88,0x05,0x27,0xbb,0xf7,
+0xc5,0x02,0x82,0x17,0x81,0x93,0xaa,0x97,0x83,0xc7,0x07,0x00,0x23,0x80,0xf6,0x00,
+0x9b,0x87,0x05,0x00,0xbb,0xd5,0xc5,0x02,0x85,0x06,0xe3,0xf0,0xc7,0xfe,0x63,0x8c,
+0x08,0x00,0x93,0x07,0x07,0xfd,0x33,0x87,0x87,0x00,0x93,0x07,0xd0,0x02,0x23,0x08,
+0xf7,0xfe,0x1b,0x07,0x28,0x00,0x63,0x58,0xe0,0x02,0x4a,0xf0,0x13,0x09,0x04,0xfc,
+0x3a,0x99,0xfd,0x19,0xba,0x99,0x7d,0x37,0x02,0x17,0x01,0x93,0xb3,0x89,0xe9,0x40,
+0x83,0x45,0xf9,0xff,0x26,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x80,0xf5,0x7d,0x19,
+0xe3,0x18,0x39,0xff,0x02,0x79,0xe2,0x70,0x42,0x74,0xa2,0x74,0xe2,0x69,0x21,0x61,
+0x82,0x80,0xbb,0x05,0xb0,0x40,0x85,0x48,0x85,0xbf,0x5d,0x71,0x86,0xe4,0xa2,0xe0,
+0x4a,0xf8,0x80,0x08,0x03,0xc9,0x05,0x00,0x63,0x0a,0x09,0x1a,0x26,0xfc,0x4e,0xf4,
+0x52,0xf0,0x56,0xec,0x5a,0xe8,0x5e,0xe4,0xaa,0x8a,0xb2,0x8b,0x93,0x84,0x15,0x00,
+0x81,0x49,0x13,0x0a,0x50,0x02,0x55,0x4b,0x39,0xa8,0xca,0x85,0x56,0x85,0x97,0x00,
+0x00,0x00,0xe7,0x80,0x00,0xf0,0x19,0xa0,0x63,0x8d,0x49,0x01,0x85,0x04,0x03,0xc9,
+0xf4,0xff,0x63,0x07,0x09,0x16,0xe3,0x99,0x09,0xfe,0xe3,0x10,0x49,0xff,0xd2,0x89,
+0xf5,0xb7,0x63,0x04,0x49,0x13,0x9b,0x07,0xd9,0xf9,0x93,0xf7,0xf7,0x0f,0x63,0x67,
+0xfb,0x12,0x9b,0x07,0xd9,0xf9,0x13,0xf7,0xf7,0x0f,0x63,0x61,0xeb,0x12,0x93,0x17,
+0x27,0x00,0x17,0x07,0x00,0x00,0x13,0x07,0x67,0x3b,0xba,0x97,0x9c,0x43,0xba,0x97,
+0x82,0x87,0x13,0x89,0x8b,0x00,0x85,0x46,0x29,0x46,0x83,0xa5,0x0b,0x00,0x56,0x85,
+0x97,0x00,0x00,0x00,0xe7,0x80,0x00,0xec,0xca,0x8b,0x81,0x49,0x45,0xb7,0x13,0x89,
+0x8b,0x00,0x81,0x46,0x29,0x46,0x83,0xa5,0x0b,0x00,0x56,0x85,0x97,0x00,0x00,0x00,
+0xe7,0x80,0x40,0xea,0xca,0x8b,0x81,0x49,0x51,0xb7,0x13,0x89,0x8b,0x00,0x81,0x46,
+0x41,0x46,0x83,0xa5,0x0b,0x00,0x56,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x80,0xe8,
+0xca,0x8b,0x81,0x49,0xa5,0xb7,0x62,0xe0,0x13,0x8c,0x8b,0x00,0x83,0xb9,0x0b,0x00,
+0x93,0x05,0x00,0x03,0x56,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x80,0xe4,0x93,0x05,
+0x80,0x07,0x56,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0xa0,0xe3,0x41,0x49,0x97,0x0b,
+0x00,0x00,0x93,0x8b,0x2b,0x38,0x93,0xd7,0xc9,0x03,0xde,0x97,0x83,0xc5,0x07,0x00,
+0x56,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0xc0,0xe1,0x92,0x09,0x7d,0x39,0xe3,0x14,
+0x09,0xfe,0xe2,0x8b,0x81,0x49,0x02,0x6c,0x11,0xbf,0x93,0x89,0x8b,0x00,0x03,0xb9,
+0x0b,0x00,0x63,0x01,0x09,0x02,0x83,0x45,0x09,0x00,0xa5,0xc9,0x56,0x85,0x97,0x00,
+0x00,0x00,0xe7,0x80,0x00,0xdf,0x05,0x09,0x83,0x45,0x09,0x00,0xe5,0xf9,0xce,0x8b,
+0x81,0x49,0xed,0xb5,0x17,0x09,0x00,0x00,0x13,0x09,0xc9,0x2c,0x93,0x05,0x80,0x02,
+0xf1,0xbf,0x13,0x89,0x8b,0x00,0x83,0xc5,0x0b,0x00,0x56,0x85,0x97,0x00,0x00,0x00,
+0xe7,0x80,0x20,0xdc,0xca,0x8b,0x81,0x49,0xd1,0xb5,0x93,0x05,0x50,0x02,0x56,0x85,
+0x97,0x00,0x00,0x00,0xe7,0x80,0xe0,0xda,0x81,0x49,0x4d,0xbd,0x93,0x05,0x50,0x02,
+0x56,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0xc0,0xd9,0xca,0x85,0x56,0x85,0x97,0x00,
+0x00,0x00,0xe7,0x80,0x00,0xd9,0x81,0x49,0x51,0xbd,0xce,0x8b,0x81,0x49,0x79,0xb5,
+0xe2,0x74,0xa2,0x79,0x02,0x7a,0xe2,0x6a,0x42,0x6b,0xa2,0x6b,0xa6,0x60,0x06,0x64,
+0x42,0x79,0x61,0x61,0x82,0x80,0x5d,0x71,0x06,0xec,0x22,0xe8,0x00,0x10,0x10,0xe0,
+0x14,0xe4,0x18,0xe8,0x1c,0xec,0x23,0x30,0x04,0x03,0x23,0x34,0x14,0x03,0x22,0x86,
+0x23,0x34,0x84,0xfe,0x97,0x00,0x00,0x00,0xe7,0x80,0x60,0xe1,0xe2,0x60,0x42,0x64,
+0x61,0x61,0x82,0x80,0x1d,0x71,0x06,0xec,0x22,0xe8,0x00,0x10,0x0c,0xe4,0x10,0xe8,
+0x14,0xec,0x18,0xf0,0x1c,0xf4,0x23,0x38,0x04,0x03,0x23,0x3c,0x14,0x03,0x13,0x06,
+0x84,0x00,0x23,0x34,0xc4,0xfe,0xaa,0x85,0x05,0x45,0x97,0x00,0x00,0x00,0xe7,0x80,
+0x00,0xde,0xe2,0x60,0x42,0x64,0x25,0x61,0x82,0x80,0x41,0x11,0x22,0xe4,0x00,0x08,
+0x93,0x06,0x05,0xff,0x97,0x07,0x00,0x00,0x83,0xb7,0x47,0x66,0x2d,0xa0,0x18,0x46,
+0x2d,0x9f,0x23,0x2c,0xe5,0xfe,0x98,0x63,0x10,0x63,0x3d,0xa8,0x03,0x27,0x85,0xff,
+0x31,0x9f,0x98,0xc7,0x83,0x36,0x05,0xff,0x91,0xa0,0x98,0x63,0x63,0xe4,0xe7,0x00,
+0x63,0xea,0xe6,0x00,0xba,0x87,0xe3,0xfa,0xd7,0xfe,0x98,0x63,0x63,0xe4,0xe6,0x00,
+0xe3,0xea,0xe7,0xfe,0x83,0x25,0x85,0xff,0x90,0x63,0x13,0x98,0x05,0x02,0x13,0x57,
+0xc8,0x01,0x36,0x97,0xe3,0x0d,0xe6,0xfa,0x23,0x38,0xc5,0xfe,0x90,0x47,0x93,0x15,
+0x06,0x02,0x13,0xd7,0xc5,0x01,0x3e,0x97,0xe3,0x8a,0xe6,0xfa,0x94,0xe3,0x17,0x07,
+0x00,0x00,0x23,0x3d,0xf7,0x5e,0x22,0x64,0x41,0x01,0x82,0x80,0x39,0x71,0x06,0xfc,
+0x22,0xf8,0x26,0xf4,0x4e,0xec,0x80,0x00,0x93,0x14,0x05,0x02,0x81,0x90,0xbd,0x04,
+0x91,0x80,0x9b,0x89,0x14,0x00,0x85,0x04,0x17,0x05,0x00,0x00,0x03,0x35,0x05,0x5d,
+0x15,0xc9,0x1c,0x61,0x98,0x47,0x63,0x7f,0x97,0x08,0x4a,0xf0,0x52,0xe8,0x56,0xe4,
+0x5a,0xe0,0x4e,0x8a,0x1b,0x87,0x09,0x00,0x85,0x66,0x63,0x73,0xd7,0x00,0x05,0x6a,
+0x1b,0x0b,0x0a,0x00,0x1b,0x1a,0x4a,0x00,0x17,0x09,0x00,0x00,0x13,0x09,0x09,0x5a,
+0xfd,0x5a,0x99,0xa0,0x4a,0xf0,0x52,0xe8,0x56,0xe4,0x5a,0xe0,0x17,0x07,0x00,0x00,
+0x13,0x07,0xc7,0x58,0x97,0x07,0x00,0x00,0x93,0x87,0xc7,0x58,0x1c,0xe3,0x1c,0xe7,
+0x23,0x28,0x07,0x00,0x7d,0xbf,0x98,0x63,0x18,0xe1,0x8d,0xa0,0x23,0x24,0x65,0x01,
+0x41,0x05,0x97,0x00,0x00,0x00,0xe7,0x80,0x80,0xef,0x03,0x35,0x09,0x00,0x3d,0xc1,
+0x1c,0x61,0x98,0x47,0x63,0x74,0x97,0x02,0x03,0x37,0x09,0x00,0x3e,0x85,0xe3,0x19,
+0xf7,0xfe,0x52,0x85,0x97,0x00,0x00,0x00,0xe7,0x80,0x00,0xb8,0xe3,0x18,0x55,0xfd,
+0x01,0x45,0x02,0x79,0x42,0x6a,0xa2,0x6a,0x02,0x6b,0x3d,0xa0,0x02,0x79,0x42,0x6a,
+0xa2,0x6a,0x02,0x6b,0xe3,0x89,0xe4,0xfa,0x3b,0x07,0x37,0x41,0x98,0xc7,0x93,0x16,
+0x07,0x02,0x13,0xd7,0xc6,0x01,0xba,0x97,0x23,0xa4,0x37,0x01,0x17,0x07,0x00,0x00,
+0x23,0x36,0xa7,0x50,0x13,0x85,0x07,0x01,0xe2,0x70,0x42,0x74,0xa2,0x74,0xe2,0x69,
+0x21,0x61,0x82,0x80,0x02,0x79,0x42,0x6a,0xa2,0x6a,0x02,0x6b,0xf5,0xb7,0x00,0x00,
0x69,0x6e,0x69,0x74,0x3a,0x20,0x73,0x74,0x61,0x72,0x74,0x69,0x6e,0x67,0x20,0x73,
0x68,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0x69,0x6e,0x69,0x74,0x3a,0x20,0x66,0x6f,
0x72,0x6b,0x20,0x66,0x61,0x69,0x6c,0x65,0x64,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,
0x69,0x6e,0x69,0x74,0x3a,0x20,0x65,0x78,0x65,0x63,0x20,0x73,0x68,0x20,0x66,0x61,
0x69,0x6c,0x65,0x64,0x0a,0x00,0x00,0x00,0x69,0x6e,0x69,0x74,0x3a,0x20,0x77,0x61,
0x69,0x74,0x20,0x72,0x65,0x74,0x75,0x72,0x6e,0x65,0x64,0x20,0x61,0x6e,0x20,0x65,
-0x72,0x72,0x6f,0x72,0x0a,0x00,0x00,0x00,0x62,0x72,0x6b,0x00,0x00,0x00,0x00,0x00,
-0x28,0x6e,0x75,0x6c,0x6c,0x29,0x00,0x00,0x36,0xfd,0xff,0xff,0x56,0xfc,0xff,0xff,
-0x60,0xfd,0xff,0xff,0x60,0xfd,0xff,0xff,0x60,0xfd,0xff,0xff,0x60,0xfd,0xff,0xff,
-0x60,0xfd,0xff,0xff,0x60,0xfd,0xff,0xff,0x60,0xfd,0xff,0xff,0x72,0xfc,0xff,0xff,
-0x60,0xfd,0xff,0xff,0x60,0xfd,0xff,0xff,0x60,0xfd,0xff,0xff,0xaa,0xfc,0xff,0xff,
-0x60,0xfd,0xff,0xff,0x60,0xfd,0xff,0xff,0xfe,0xfc,0xff,0xff,0x60,0xfd,0xff,0xff,
-0x60,0xfd,0xff,0xff,0x60,0xfd,0xff,0xff,0x60,0xfd,0xff,0xff,0x8e,0xfc,0xff,0xff,
+0x72,0x72,0x6f,0x72,0x0a,0x00,0x00,0x00,0x64,0x75,0x70,0x00,0x00,0x00,0x00,0x00,
+0x28,0x6e,0x75,0x6c,0x6c,0x29,0x00,0x00,0x3a,0xfd,0xff,0xff,0x5a,0xfc,0xff,0xff,
+0x64,0xfd,0xff,0xff,0x64,0xfd,0xff,0xff,0x64,0xfd,0xff,0xff,0x64,0xfd,0xff,0xff,
+0x64,0xfd,0xff,0xff,0x64,0xfd,0xff,0xff,0x64,0xfd,0xff,0xff,0x76,0xfc,0xff,0xff,
+0x64,0xfd,0xff,0xff,0x64,0xfd,0xff,0xff,0x64,0xfd,0xff,0xff,0xae,0xfc,0xff,0xff,
+0x64,0xfd,0xff,0xff,0x64,0xfd,0xff,0xff,0x02,0xfd,0xff,0xff,0x64,0xfd,0xff,0xff,
+0x64,0xfd,0xff,0xff,0x64,0xfd,0xff,0xff,0x64,0xfd,0xff,0xff,0x92,0xfc,0xff,0xff,
0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44,0x45,0x46,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x03,0x7a,0x52,0x00,0x01,0x7c,0x01,0x01,0x1b,0x0d,0x02,0x00,0x28,0x00,0x00,0x00,
@@ -191,25 +191,25 @@
0x24,0x00,0x00,0x00,0x1c,0x02,0x00,0x00,0x88,0xf7,0xff,0xff,0x18,0x00,0x00,0x00,
0x00,0x42,0x0e,0x10,0x44,0x81,0x02,0x88,0x04,0x42,0x0c,0x08,0x00,0x4a,0xc1,0x42,
0xc8,0x0c,0x02,0x10,0x42,0x0e,0x00,0x00,0x24,0x00,0x00,0x00,0x44,0x02,0x00,0x00,
-0x4a,0xf8,0xff,0xff,0x22,0x00,0x00,0x00,0x00,0x42,0x0e,0x20,0x44,0x81,0x02,0x88,
+0x4e,0xf8,0xff,0xff,0x22,0x00,0x00,0x00,0x00,0x42,0x0e,0x20,0x44,0x81,0x02,0x88,
0x04,0x42,0x0c,0x08,0x00,0x54,0xc1,0x42,0xc8,0x0c,0x02,0x20,0x42,0x0e,0x00,0x00,
-0x34,0x00,0x00,0x00,0x6c,0x02,0x00,0x00,0x44,0xf8,0xff,0xff,0xaa,0x00,0x00,0x00,
+0x34,0x00,0x00,0x00,0x6c,0x02,0x00,0x00,0x48,0xf8,0xff,0xff,0xaa,0x00,0x00,0x00,
0x00,0x42,0x0e,0x40,0x48,0x81,0x02,0x88,0x04,0x89,0x06,0x93,0x0a,0x42,0x0c,0x08,
0x00,0x02,0x60,0x92,0x08,0x6a,0xd2,0x42,0x0a,0xc1,0x42,0xc8,0x0c,0x02,0x40,0x42,
0xc9,0x42,0xd3,0x42,0x0e,0x00,0x42,0x0b,0x48,0x00,0x00,0x00,0xa4,0x02,0x00,0x00,
-0xb6,0xf8,0xff,0xff,0xcc,0x01,0x00,0x00,0x00,0x42,0x0e,0x50,0x46,0x81,0x02,0x88,
+0xba,0xf8,0xff,0xff,0xcc,0x01,0x00,0x00,0x00,0x42,0x0e,0x50,0x46,0x81,0x02,0x88,
0x04,0x92,0x08,0x42,0x0c,0x08,0x00,0x54,0x89,0x06,0x93,0x0a,0x94,0x0c,0x95,0x0e,
0x96,0x10,0x97,0x12,0x02,0xc0,0x98,0x14,0x02,0x50,0xd8,0x02,0x8a,0xc9,0x42,0xd3,
0x42,0xd4,0x42,0xd5,0x42,0xd6,0x42,0xd7,0x42,0xc1,0x42,0xc8,0x0c,0x02,0x50,0x42,
-0xd2,0x42,0x0e,0x00,0x24,0x00,0x00,0x00,0xf0,0x02,0x00,0x00,0x36,0xfa,0xff,0xff,
+0xd2,0x42,0x0e,0x00,0x24,0x00,0x00,0x00,0xf0,0x02,0x00,0x00,0x3a,0xfa,0xff,0xff,
0x2e,0x00,0x00,0x00,0x00,0x42,0x0e,0x50,0x44,0x81,0x0e,0x88,0x10,0x42,0x0c,0x08,
0x30,0x60,0xc1,0x42,0xc8,0x0c,0x02,0x50,0x42,0x0e,0x00,0x00,0x28,0x00,0x00,0x00,
-0x18,0x03,0x00,0x00,0x3c,0xfa,0xff,0xff,0x36,0x00,0x00,0x00,0x00,0x42,0x0e,0x60,
+0x18,0x03,0x00,0x00,0x40,0xfa,0xff,0xff,0x36,0x00,0x00,0x00,0x00,0x42,0x0e,0x60,
0x44,0x81,0x12,0x88,0x14,0x42,0x0c,0x08,0x40,0x68,0xc1,0x42,0xc8,0x0c,0x02,0x60,
0x42,0x0e,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x44,0x03,0x00,0x00,
-0x46,0xfa,0xff,0xff,0x82,0x00,0x00,0x00,0x00,0x42,0x0e,0x10,0x42,0x88,0x02,0x42,
+0x4a,0xfa,0xff,0xff,0x82,0x00,0x00,0x00,0x00,0x42,0x0e,0x10,0x42,0x88,0x02,0x42,
0x0c,0x08,0x00,0x02,0x78,0xc8,0x0c,0x02,0x10,0x42,0x0e,0x00,0x7c,0x00,0x00,0x00,
-0x68,0x03,0x00,0x00,0xa4,0xfa,0xff,0xff,0x02,0x01,0x00,0x00,0x00,0x42,0x0e,0x40,
+0x68,0x03,0x00,0x00,0xa8,0xfa,0xff,0xff,0x02,0x01,0x00,0x00,0x00,0x42,0x0e,0x40,
0x48,0x81,0x02,0x88,0x04,0x89,0x06,0x93,0x0a,0x42,0x0c,0x08,0x00,0x6a,0x92,0x08,
0x94,0x0c,0x95,0x0e,0x96,0x10,0x62,0xd2,0xd4,0xd5,0xd6,0x60,0x0a,0x92,0x08,0x94,
0x0c,0x95,0x0e,0x96,0x10,0x42,0x0b,0x46,0x92,0x08,0x94,0x0c,0x95,0x0e,0x96,0x10,
diff --git a/kernel/include/sysnum.h b/kernel/include/sysnum.h
index 6f5060b297a53bf51f909075fd270aebd4c20982..1fc3b6a8abaf3333ddf8bb9032d51986c8e7fde5 100644
--- a/kernel/include/sysnum.h
+++ b/kernel/include/sysnum.h
@@ -11,7 +11,7 @@
#define SYS_exec 7
#define SYS_fstat 8
#define SYS_chdir 9
-#define SYS_dup 10
+#define SYS_dup 23
#define SYS_getpid 11
#define SYS_sbrk 12
#define SYS_sleep 13
@@ -24,7 +24,7 @@
#define SYS_mkdir 20
#define SYS_close 21
#define SYS_test_proc 22
-#define SYS_dev 23
+#define SYS_dev 123
#define SYS_readdir 24
#define SYS_getcwd 25
#define SYS_rename 26
diff --git a/kernel/syscall.c b/kernel/syscall.c
index d906609780e943c7983b65930e733a564e975512..5279d7a9e9a4fcb58c46c440f030ed84384da19b 100644
--- a/kernel/syscall.c
+++ b/kernel/syscall.c
@@ -144,6 +144,7 @@ static uint64 (*syscalls[])(void) = {
[SYS_trace] sys_trace,
[SYS_sysinfo] sys_sysinfo,
[SYS_rename] sys_rename,
+ // [SYS_shutdown] sys_shutdown,
};
static char *sysnames[] = {
@@ -173,6 +174,7 @@ static char *sysnames[] = {
[SYS_trace] "trace",
[SYS_sysinfo] "sysinfo",
[SYS_rename] "rename",
+ // [SYS_shutdown] "shutdown",
};
void
@@ -182,7 +184,8 @@ syscall(void)
struct proc *p = myproc();
num = p->trapframe->a7;
- if(num > 0 && num < NELEM(syscalls) && syscalls[num]) {
+ // printf("num=%d name=%s\n", num, sysnames[num]);
+ if(num > 0 && syscalls[num]) {
p->trapframe->a0 = syscalls[num]();
// trace
if ((p->tmask & (1 << num)) != 0) {
diff --git a/oo b/oo
index 1fbbae99d998cce77871d5f91526617ef21b4547..d9c8f4d61f0ac93d048ef227e9e384cca394b7d7 100755
Binary files a/oo and b/oo differ
diff --git a/xv6-user/init.c b/xv6-user/init.c
index 3f0db3f8a424716424c00006538758218a8009f9..6085a13799be243af147e14468d7abff53590e7c 100644
--- a/xv6-user/init.c
+++ b/xv6-user/init.c
@@ -24,10 +24,10 @@ char *argv[] = {0};
char *tests[] = {
// "sh",
- "brk",
+// "brk",
// "chdir",
// "close",
-// "dup",
+ "dup",
// "exit",
// "fork",
// "fstat",
@@ -44,7 +44,7 @@ char *tests[] = {
// "write",
// "sleep",
// "clone",
-};
+};
int counts = sizeof(tests) / sizeof((tests)[0]);
int main(void) {
int pid, wpid;