diff -Nur linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8.orig/arch/lm32/include/uapi/asm/byteorder.h linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8/arch/lm32/include/uapi/asm/byteorder.h
--- linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8.orig/arch/lm32/include/uapi/asm/byteorder.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8/arch/lm32/include/uapi/asm/byteorder.h	2019-10-30 14:32:57.868397215 +0100
@@ -0,0 +1,16 @@
+#ifndef _LM32_ASM_BYTEORDER_H
+#define _LM32_ASM_BYTEORDER_H
+
+#include <asm/types.h>
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+// there is a 64bit data type supported by the processor
+#  define __BYTEORDER_HAS_U64__
+
+// so we don't have to implement swab64 in assembler ;) 
+#  define __SWAB_64_THRU_32__
+#endif
+
+#include <linux/byteorder/big_endian.h>
+
+#endif /* _LM32_BYTEORDER_H */
diff -Nur linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8.orig/arch/lm32/include/uapi/asm/Kbuild linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8/arch/lm32/include/uapi/asm/Kbuild
--- linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8.orig/arch/lm32/include/uapi/asm/Kbuild	1970-01-01 01:00:00.000000000 +0100
+++ linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8/arch/lm32/include/uapi/asm/Kbuild	2019-10-30 14:34:14.357298364 +0100
@@ -0,0 +1,6 @@
+# UAPI Header export list
+include include/uapi/asm-generic/Kbuild.asm
+
+header-y += byteorder.h
+header-y += ptrace.h
+header-y += unistd.h
diff -Nur linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8.orig/arch/lm32/include/uapi/asm/ptrace.h linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8/arch/lm32/include/uapi/asm/ptrace.h
--- linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8.orig/arch/lm32/include/uapi/asm/ptrace.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8/arch/lm32/include/uapi/asm/ptrace.h	2019-10-30 14:32:57.888398498 +0100
@@ -0,0 +1,103 @@
+/*
+ * (C) Copyright 2007
+ *     Theobroma Systems <www.theobroma-systems.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _ASM_LM32_PTRACE_H
+#define _ASM_LM32_PTRACE_H
+
+#define PT_MODE_KERNEL 1
+#define PT_MODE_USER   0
+
+#ifndef __ASSEMBLY__
+
+#define user_stack_pointer(regs)       ((regs)->sp)
+
+typedef unsigned long lm32_reg_t;
+
+struct pt_regs {
+	lm32_reg_t r0;
+	lm32_reg_t r1;
+	lm32_reg_t r2;
+	lm32_reg_t r3;
+	lm32_reg_t r4;
+	lm32_reg_t r5;
+	lm32_reg_t r6;
+	lm32_reg_t r7;
+	lm32_reg_t r8;
+	lm32_reg_t r9;
+	lm32_reg_t r10;
+	lm32_reg_t r11;
+	lm32_reg_t r12;
+	lm32_reg_t r13;
+	lm32_reg_t r14;
+	lm32_reg_t r15;
+	lm32_reg_t r16;
+	lm32_reg_t r17;
+	lm32_reg_t r18;
+	lm32_reg_t r19;
+	lm32_reg_t r20;
+	lm32_reg_t r21;
+	lm32_reg_t r22;
+	lm32_reg_t r23;
+	lm32_reg_t r24;
+	lm32_reg_t r25;
+	lm32_reg_t gp;
+	lm32_reg_t fp;
+	lm32_reg_t sp;
+	lm32_reg_t ra;
+	lm32_reg_t ea;
+	lm32_reg_t ba;
+	unsigned int pt_mode;
+};
+
+#ifdef __KERNEL__
+#define user_mode(regs) ((regs)->pt_mode == PT_MODE_USER)
+
+#define instruction_pointer(regs) ((regs)->ea)
+#define profile_pc(regs) instruction_pointer(regs)
+
+void show_regs(struct pt_regs *);
+
+#else /* !__KERNEL__ */
+
+/* TBD (gdbserver/ptrace) */
+
+#endif /* !__KERNEL__ */
+
+/* FIXME: remove this ? */
+/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
+#define PTRACE_GETREGS            12
+#define PTRACE_SETREGS            13
+
+#define PTRACE_GETFDPIC	          31
+
+#define PTRACE_GETFDPIC_EXEC      0
+#define PTRACE_GETFDPIC_INTERP    1
+
+/* for gdb */
+#define PT_TEXT_ADDR	50
+#define PT_TEXT_END_ADDR	51
+#define PT_DATA_ADDR	52
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* _ASM_LM32_PTRACE_H */
diff -Nur linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8.orig/arch/lm32/include/uapi/asm/unistd.h linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8/arch/lm32/include/uapi/asm/unistd.h
--- linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8.orig/arch/lm32/include/uapi/asm/unistd.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-b6a72d383cf0d4c9c448c1f4e5e8d496ea5c1fd8/arch/lm32/include/uapi/asm/unistd.h	2019-10-30 14:32:57.884398247 +0100
@@ -0,0 +1,15 @@
+#if !defined(_ASM_LM32_UNISTD_H) || defined(__SYSCALL)
+#define _ASM_LM32_UNISTD_H
+
+#define __ARCH_WANT_SYSCALL_NO_AT
+#define __ARCH_WANT_SYSCALL_NO_FLAGS
+#define __ARCH_WANT_SYSCALL_OFF_T
+#define __ARCH_WANT_SYSCALL_DEPRECATED
+
+#define __ARCH_WANT_SYS_CLONE
+
+#include <asm-generic/unistd.h>
+
+#undef __NR_mmap
+
+#endif /* _ASM_LM32_UNISTD_H */