use Linux 5.10.x by default, fix mips32r6 issue

target/linux/Config.in.kernelversion

@@ -22,7 +22,7 @@ default ADK_TARGET_LINUX_KERNEL_VERSION_4_9 if ADK_TARGET_CPU_ARM_ARM11MPCORE
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_9 if ADK_TARGET_CPU_ARM_CORTEX_A53
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_14 if ADK_TARGET_SYSTEM_QEMU_ARM_VERSATILEPB
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_19 if ADK_TARGET_ARCH_ARC
-default ADK_TARGET_LINUX_KERNEL_VERSION_5_4
+default ADK_TARGET_LINUX_KERNEL_VERSION_5_10
 
 config ADK_TARGET_LINUX_KERNEL_VERSION_GIT
 	bool "git"

target/linux/patches/5.10.17/mipsr6.patch

@@ -0,0 +1,113 @@
+diff -Nur linux-5.10.17.orig/arch/mips/include/asm/vdso/gettimeofday.h linux-5.10.17/arch/mips/include/asm/vdso/gettimeofday.h
+--- linux-5.10.17.orig/arch/mips/include/asm/vdso/gettimeofday.h	2021-02-17 11:02:30.000000000 +0100
++++ linux-5.10.17/arch/mips/include/asm/vdso/gettimeofday.h	2021-04-09 15:24:43.613709753 +0200
+@@ -30,12 +30,21 @@
+ 	register long nr asm("v0") = __NR_gettimeofday;
+ 	register long error asm("a3");
+ 
++#if MIPS_ISA_REV >= 6
++	asm volatile(
++	"       syscall\n"
++	: "=r" (ret), "=r" (error)
++	: "r" (tv), "r" (tz), "r" (nr)
++	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
++	  "$14", "$15", "$24", "$25", "memory");
++#else
+ 	asm volatile(
+ 	"       syscall\n"
+ 	: "=r" (ret), "=r" (error)
+ 	: "r" (tv), "r" (tz), "r" (nr)
+ 	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
+ 	  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
++#endif
+ 
+ 	return error ? -ret : ret;
+ }
+@@ -54,12 +63,21 @@
+ #endif
+ 	register long error asm("a3");
+ 
++#if MIPS_ISA_REV >= 6
++	asm volatile(
++	"       syscall\n"
++	: "=r" (ret), "=r" (error)
++	: "r" (clkid), "r" (ts), "r" (nr)
++	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
++	  "$14", "$15", "$24", "$25", "memory");
++#else
+ 	asm volatile(
+ 	"       syscall\n"
+ 	: "=r" (ret), "=r" (error)
+ 	: "r" (clkid), "r" (ts), "r" (nr)
+ 	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
+ 	  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
++#endif
+ 
+ 	return error ? -ret : ret;
+ }
+@@ -78,12 +96,21 @@
+ #endif
+ 	register long error asm("a3");
+ 
++#if MIPS_ISA_REV >= 6
++	asm volatile(
++	"       syscall\n"
++	: "=r" (ret), "=r" (error)
++	: "r" (clkid), "r" (ts), "r" (nr)
++	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
++	  "$14", "$15", "$24", "$25", "memory");
++#else
+ 	asm volatile(
+ 	"       syscall\n"
+ 	: "=r" (ret), "=r" (error)
+ 	: "r" (clkid), "r" (ts), "r" (nr)
+ 	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
+ 	  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
++#endif
+ 
+ 	return error ? -ret : ret;
+ }
+@@ -100,12 +127,21 @@
+ 	register long nr asm("v0") = __NR_clock_gettime;
+ 	register long error asm("a3");
+ 
++#if MIPS_ISA_REV >= 6
++	asm volatile(
++	"       syscall\n"
++	: "=r" (ret), "=r" (error)
++	: "r" (clkid), "r" (ts), "r" (nr)
++	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
++	  "$14", "$15", "$24", "$25", "memory");
++#else
+ 	asm volatile(
+ 	"       syscall\n"
+ 	: "=r" (ret), "=r" (error)
+ 	: "r" (clkid), "r" (ts), "r" (nr)
+ 	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
+ 	  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
++#endif
+ 
+ 	return error ? -ret : ret;
+ }
+@@ -120,12 +156,21 @@
+ 	register long nr asm("v0") = __NR_clock_getres;
+ 	register long error asm("a3");
+ 
++#if MIPS_ISA_REV >= 6
++	asm volatile(
++	"       syscall\n"
++	: "=r" (ret), "=r" (error)
++	: "r" (clkid), "r" (ts), "r" (nr)
++	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
++	  "$14", "$15", "$24", "$25", "memory");
++#else
+ 	asm volatile(
+ 	"       syscall\n"
+ 	: "=r" (ret), "=r" (error)
+ 	: "r" (clkid), "r" (ts), "r" (nr)
+ 	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
+ 	  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
++#endif
+ 
+ 	return error ? -ret : ret;
+ }

toolchain/gcc/patches/10.3.0/ia64-fix-libgcc.patch

@@ -0,0 +1,17 @@
+diff -Nur gcc-6.3.0.orig/libgcc/config/ia64/fde-glibc.c gcc-6.3.0/libgcc/config/ia64/fde-glibc.c
+--- gcc-6.3.0.orig/libgcc/config/ia64/fde-glibc.c	2016-01-04 15:30:50.000000000 +0100
++++ gcc-6.3.0/libgcc/config/ia64/fde-glibc.c	2017-03-05 13:07:33.316600613 +0100
+@@ -25,6 +25,8 @@
+ /* Locate the FDE entry for a given address, using glibc ld.so routines
+    to avoid register/deregister calls at DSO load/unload.  */
+ 
++#ifndef inhibit_libc
++
+ #ifndef _GNU_SOURCE
+ #define _GNU_SOURCE 1
+ #endif
+@@ -159,3 +161,4 @@
+ 
+   return data.ret;
+ }
++#endif