diff --git a/libc/kernel/uapi/asm-mips/asm/inst.h b/libc/kernel/uapi/asm-mips/asm/inst.h
index 46a65e6..61fa3d6 100644
--- a/libc/kernel/uapi/asm-mips/asm/inst.h
+++ b/libc/kernel/uapi/asm-mips/asm/inst.h
@@ -414,10 +414,13 @@
 };
 enum bshfl_func {
   wsbh_op = 0x2,
-  dshd_op = 0x5,
   seb_op = 0x10,
   seh_op = 0x18,
 };
+enum dbshfl_func {
+  dsbh_op = 0x2,
+  dshd_op = 0x5,
+};
 enum msa_func {
   msa_elm_op = 0x19,
 };
@@ -798,6 +801,10 @@
   __BITFIELD_FIELD(unsigned int opcode : 6, __BITFIELD_FIELD(signed int s10 : 10, __BITFIELD_FIELD(unsigned int rs : 5, __BITFIELD_FIELD(unsigned int wd : 5, __BITFIELD_FIELD(unsigned int func : 4, __BITFIELD_FIELD(unsigned int df : 2,;
  ))))))
 };
+struct dsp_format {
+  __BITFIELD_FIELD(unsigned int opcode : 6, __BITFIELD_FIELD(unsigned int base : 5, __BITFIELD_FIELD(unsigned int index : 5, __BITFIELD_FIELD(unsigned int rd : 5, __BITFIELD_FIELD(unsigned int op : 5, __BITFIELD_FIELD(unsigned int func : 6,;
+ ))))))
+};
 struct spec3_format {
   __BITFIELD_FIELD(unsigned int opcode : 6, __BITFIELD_FIELD(unsigned int rs : 5, __BITFIELD_FIELD(unsigned int rt : 5, __BITFIELD_FIELD(signed int simmediate : 9, __BITFIELD_FIELD(unsigned int func : 7,;
  )))))
@@ -883,7 +890,7 @@
  ))))
 };
 struct mm16_r5_format {
-  __BITFIELD_FIELD(unsigned int opcode : 6, __BITFIELD_FIELD(unsigned int rt : 5, __BITFIELD_FIELD(signed int simmediate : 5, __BITFIELD_FIELD(unsigned int : 16,;
+  __BITFIELD_FIELD(unsigned int opcode : 6, __BITFIELD_FIELD(unsigned int rt : 5, __BITFIELD_FIELD(unsigned int imm : 5, __BITFIELD_FIELD(unsigned int : 16,;
  ))))
 };
 struct m16e_rr {
@@ -933,6 +940,7 @@
   struct b_format b_format;
   struct ps_format ps_format;
   struct v_format v_format;
+  struct dsp_format dsp_format;
   struct spec3_format spec3_format;
   struct fb_format fb_format;
   struct fp0_format fp0_format;
diff --git a/libc/kernel/uapi/asm-mips/asm/ioctls.h b/libc/kernel/uapi/asm-mips/asm/ioctls.h
index 1845c65..a4a40b0 100644
--- a/libc/kernel/uapi/asm-mips/asm/ioctls.h
+++ b/libc/kernel/uapi/asm-mips/asm/ioctls.h
@@ -84,6 +84,7 @@
 #define TIOCGPKT _IOR('T', 0x38, int)
 #define TIOCGPTLCK _IOR('T', 0x39, int)
 #define TIOCGEXCL _IOR('T', 0x40, int)
+#define TIOCGPTPEER _IO('T', 0x41)
 #define TIOCSCTTY 0x5480
 #define TIOCGSOFTCAR 0x5481
 #define TIOCSSOFTCAR 0x5482
diff --git a/libc/kernel/uapi/asm-mips/asm/mman.h b/libc/kernel/uapi/asm-mips/asm/mman.h
index ad08f7a..b976885 100644
--- a/libc/kernel/uapi/asm-mips/asm/mman.h
+++ b/libc/kernel/uapi/asm-mips/asm/mman.h
@@ -66,9 +66,9 @@
 #define MADV_NOHUGEPAGE 15
 #define MADV_DONTDUMP 16
 #define MADV_DODUMP 17
+#define MADV_WIPEONFORK 18
+#define MADV_KEEPONFORK 19
 #define MAP_FILE 0
-#define MAP_HUGE_SHIFT 26
-#define MAP_HUGE_MASK 0x3f
 #define PKEY_DISABLE_ACCESS 0x1
 #define PKEY_DISABLE_WRITE 0x2
 #define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS | PKEY_DISABLE_WRITE)
diff --git a/libc/kernel/uapi/asm-mips/asm/siginfo.h b/libc/kernel/uapi/asm-mips/asm/siginfo.h
index b652925..413abd9 100644
--- a/libc/kernel/uapi/asm-mips/asm/siginfo.h
+++ b/libc/kernel/uapi/asm-mips/asm/siginfo.h
@@ -95,6 +95,6 @@
 #undef SI_TIMER
 #undef SI_MESGQ
 #define SI_ASYNCIO - 2
-#define SI_TIMER __SI_CODE(__SI_TIMER, - 3)
-#define SI_MESGQ __SI_CODE(__SI_MESGQ, - 4)
+#define SI_TIMER - 3
+#define SI_MESGQ - 4
 #endif
diff --git a/libc/kernel/uapi/asm-mips/asm/socket.h b/libc/kernel/uapi/asm-mips/asm/socket.h
index e97ae58..b8de15c 100644
--- a/libc/kernel/uapi/asm-mips/asm/socket.h
+++ b/libc/kernel/uapi/asm-mips/asm/socket.h
@@ -84,4 +84,7 @@
 #define SO_MEMINFO 55
 #define SO_INCOMING_NAPI_ID 56
 #define SO_COOKIE 57
+#define SCM_TIMESTAMPING_PKTINFO 58
+#define SO_PEERGROUPS 59
+#define SO_ZEROCOPY 60
 #endif