diff --git a/dka64/patches/gcc-7.3.0-RC-20180122.patch b/dka64/patches/gcc-7.3.0-RC-20180122.patch
new file mode 100644
index 0000000..12e8716
--- /dev/null
+++ b/dka64/patches/gcc-7.3.0-RC-20180122.patch
@@ -0,0 +1,190 @@
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.c gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.c
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.c	2017-11-03 15:01:10.970890000 +0000
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.c	2018-01-22 20:15:07.232099998 +0000
+@@ -10009,8 +10009,24 @@
+       || !register_operand (target, Pmode))
+     target = gen_reg_rtx (Pmode);
+ 
+-  /* Can return in any reg.  */
+-  emit_insn (gen_aarch64_load_tp_hard (target));
++  if (TARGET_HARD_TP)
++    {
++      /* Can return in any reg.  */
++      emit_insn (gen_aarch64_load_tp_hard (target));
++    }
++  else
++    {
++      /* Always returned in r0.  Immediately copy the result into a pseudo,
++	 otherwise other uses of r0 (e.g. setting up function arguments) may
++	 clobber the value.  */
++
++      rtx tmp;
++
++      emit_insn (gen_aarch64_load_tp_soft ());
++
++      tmp = gen_rtx_REG (DImode, R0_REGNUM);
++      emit_move_insn (target, tmp);
++    }
+   return target;
+ }
+ 
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64-elf-raw.h gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64-elf-raw.h
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64-elf-raw.h	2017-01-01 12:07:43.905435000 +0000
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64-elf-raw.h	2018-01-22 20:15:07.232099998 +0000
+@@ -22,6 +22,7 @@
+ #ifndef GCC_AARCH64_ELF_RAW_H
+ #define GCC_AARCH64_ELF_RAW_H
+ 
++#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L %(libgloss) --end-group"
+ #define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s"
+ #define ENDFILE_SPEC \
+   " crtend%O%s crtn%O%s " \
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.h gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.h
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.h	2017-09-21 13:16:31.171118000 +0100
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.h	2018-01-22 20:15:07.232099998 +0000
+@@ -887,6 +887,10 @@
+ /* Check TLS Descriptors mechanism is selected.  */
+ #define TARGET_TLS_DESC (aarch64_tls_dialect == TLS_DESCRIPTORS)
+ 
++/* Check selected thread pointer access sequence to use.  */
++#define TARGET_HARD_TP (target_thread_pointer == TP_HARD)
++#define TARGET_SOFT_TP (target_thread_pointer == TP_SOFT)
++
+ extern enum aarch64_code_model aarch64_cmodel;
+ 
+ /* When using the tiny addressing model conditional and unconditional branches
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.md gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.md
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.md	2017-04-05 12:48:02.927619000 +0100
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.md	2018-01-22 20:15:07.236099934 +0000
+@@ -5230,11 +5230,22 @@
+ (define_insn "aarch64_load_tp_hard"
+   [(set (match_operand:DI 0 "register_operand" "=r")
+ 	(unspec:DI [(const_int 0)] UNSPEC_TLS))]
+-  ""
+-  "mrs\\t%0, tpidr_el0"
++  "TARGET_HARD_TP"
++  "mrs\\t%0, tpidr_el0\\t// aarch64_load_tp_hard"
+   [(set_attr "type" "mrs")]
+ )
+ 
++(define_insn "aarch64_load_tp_soft"
++  [(set (reg:DI 0) (unspec:DI [(const_int 0)] UNSPEC_TLS))
++   (clobber (reg:DI IP0_REGNUM))
++   (clobber (reg:DI IP1_REGNUM))
++   (clobber (reg:DI LR_REGNUM))
++   (clobber (reg:CC CC_REGNUM))]
++  "TARGET_SOFT_TP"
++  "bl\\t__aarch64_read_tp\\t// aarch64_load_tp_soft"
++  [(set_attr "type" "branch")]
++)
++
+ ;; The TLS ABI specifically requires that the compiler does not schedule
+ ;; instructions in the TLS stubs, in order to enable linker relaxation.
+ ;; Therefore we treat the stubs as an atomic sequence.
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.opt gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.opt
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64.opt	2017-03-17 17:05:23.131899000 +0000
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64.opt	2018-01-22 20:15:07.236099934 +0000
+@@ -115,6 +115,20 @@
+ EnumValue
+ Enum(aarch64_tls_size) String(48) Value(48)
+ 
++mtp=
++Target RejectNegative Joined Enum(aarch64_tp_type) Var(target_thread_pointer) Init(TP_HARD)
++Specify how to access the thread pointer.
++
++Enum
++Name(aarch64_tp_type) Type(enum aarch64_tp_type)
++Valid arguments to -mtp=:
++
++EnumValue
++Enum(aarch64_tp_type) String(hard) Value(TP_HARD)
++
++EnumValue
++Enum(aarch64_tp_type) String(soft) Value(TP_SOFT)
++
+ march=
+ Target RejectNegative ToLower Joined Var(aarch64_arch_string)
+ -march=ARCH	Use features of architecture ARCH.
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64-opts.h gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64-opts.h
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/aarch64-opts.h	2017-01-20 00:03:20.347898000 +0000
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/aarch64-opts.h	2018-01-22 20:15:07.232099998 +0000
+@@ -48,6 +48,12 @@
+   TLS_DESCRIPTORS
+ };
+ 
++/* Which thread pointer access sequence to use.  */
++enum aarch64_tp_type {
++  TP_HARD,
++  TP_SOFT
++};
++
+ /* The code model defines the address generation strategy.
+    Most have a PIC and non-PIC variant.  */
+ enum aarch64_code_model {
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/config/aarch64/t-aarch64 gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/t-aarch64
+--- gcc-7.3.0-RC-20180122/gcc/config/aarch64/t-aarch64	2017-01-01 12:07:43.905435000 +0000
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/config/aarch64/t-aarch64	2018-01-22 20:15:07.236099934 +0000
+@@ -68,5 +68,7 @@
+ 		$(srcdir)/config/aarch64/cortex-a57-fma-steering.c
+ 
+ comma=,
+-MULTILIB_OPTIONS    = $(subst $(comma),/, $(patsubst %, mabi=%, $(subst $(comma),$(comma)mabi=,$(TM_MULTILIB_CONFIG))))
+-MULTILIB_DIRNAMES   = $(subst $(comma), ,$(TM_MULTILIB_CONFIG))
++MULTILIB_OPTIONS    = mcmodel=large fPIC
++MULTILIB_DIRNAMES   = large pic
++MULTILIB_REQUIRED   = mcmodel=large fPIC
++MULTILIB_MATCHES    = fPIC=fpic fPIC=fpie fPIC=fPIE
+diff -NBaur gcc-7.3.0-RC-20180122/gcc/gcc.c gcc-7.3.0-RC-20180122-aarch64/gcc/gcc.c
+--- gcc-7.3.0-RC-20180122/gcc/gcc.c	2017-09-15 09:18:34.015147000 +0100
++++ gcc-7.3.0-RC-20180122-aarch64/gcc/gcc.c	2018-01-22 20:15:07.236099934 +0000
+@@ -779,6 +779,11 @@
+ #endif
+ #endif
+ 
++#ifndef LIBGLOSS_SPEC
++# define LIBGLOSS_SPEC "-lsysbase"
++#endif
++
++
+ /* config.h can define STARTFILE_SPEC to override the default crt0 files.  */
+ #ifndef STARTFILE_SPEC
+ #define STARTFILE_SPEC  \
+@@ -1074,6 +1079,7 @@
+ static const char *lib_spec = LIB_SPEC;
+ static const char *link_gomp_spec = "";
+ static const char *libgcc_spec = LIBGCC_SPEC;
++static const char *libgloss_spec = LIBGLOSS_SPEC;
+ static const char *endfile_spec = ENDFILE_SPEC;
+ static const char *startfile_spec = STARTFILE_SPEC;
+ static const char *linker_name_spec = LINKER_NAME;
+@@ -1579,6 +1585,7 @@
+   INIT_STATIC_SPEC ("lib",			&lib_spec),
+   INIT_STATIC_SPEC ("link_gomp",		&link_gomp_spec),
+   INIT_STATIC_SPEC ("libgcc",			&libgcc_spec),
++  INIT_STATIC_SPEC ("libgloss",			&libgloss_spec),
+   INIT_STATIC_SPEC ("startfile",		&startfile_spec),
+   INIT_STATIC_SPEC ("cross_compile",		&cross_compile),
+   INIT_STATIC_SPEC ("version",			&compiler_version),
+diff -NBaur gcc-7.3.0-RC-20180122/libgcc/crtstuff.c gcc-7.3.0-RC-20180122-aarch64/libgcc/crtstuff.c
+--- gcc-7.3.0-RC-20180122/libgcc/crtstuff.c	2017-01-01 12:07:43.905435000 +0000
++++ gcc-7.3.0-RC-20180122-aarch64/libgcc/crtstuff.c	2018-01-22 20:15:07.236099934 +0000
+@@ -47,6 +47,7 @@
+ 
+ /* Target machine header files require this define. */
+ #define IN_LIBGCC2
++#define USED_FOR_TARGET
+ 
+ /* FIXME: Including auto-host is incorrect, but until we have
+    identified the set of defines that need to go into auto-target.h,
+diff -NBaur gcc-7.3.0-RC-20180122/libgcc/Makefile.in gcc-7.3.0-RC-20180122-aarch64/libgcc/Makefile.in
+--- gcc-7.3.0-RC-20180122/libgcc/Makefile.in	2017-04-19 09:08:44.446150000 +0100
++++ gcc-7.3.0-RC-20180122-aarch64/libgcc/Makefile.in	2018-01-22 20:15:07.236099934 +0000
+@@ -844,7 +844,7 @@
+ # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
+ # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
+ 
+-c_flags := -fexceptions
++c_flags := -fno-exceptions
+ 
+ ifeq ($(enable_shared),yes)
+