libs/libc/machine/arm: Rename armv8 to armv8-m

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

libs/libc/machine/arm/Kconfig

@@ -25,5 +25,5 @@ source libs/libc/machine/arm/armv7-m/Kconfig
 endif
 
 if ARCH_ARMV8M
-source libs/libc/machine/arm/armv8/Kconfig
+source libs/libc/machine/arm/armv8-m/Kconfig
 endif

libs/libc/machine/arm/Make.defs

@@ -54,7 +54,7 @@ include $(TOPDIR)/libs/libc/machine/arm/armv6-m/Make.defs
 else ifeq ($(CONFIG_ARCH_ARMV7M),y)     # All ARMv7-M
 include $(TOPDIR)/libs/libc/machine/arm/armv7-m/Make.defs
 else ifeq ($(CONFIG_ARCH_ARMV8M),y)     # All ARMv8-M
-include $(TOPDIR)/libs/libc/machine/arm/armv8/Make.defs
+include $(TOPDIR)/libs/libc/machine/arm/armv8-m/Make.defs
 endif
 
 ifeq ($(CONFIG_CXX_EXCEPTION),y)

libs/libc/machine/arm/armv8-m/Kconfig

@@ -5,7 +5,7 @@
 
 if ARCH_ARMV8M
 
-config ARMV8_LIBM
+config ARMV8M_LIBM
 	bool "Architecture specific optimizations"
 	default n
 	select LIBM_ARCH_CEIL if CONFIG_ARCH_DPFPU

libs/libc/machine/arm/armv8-m/Make.defs

@@ -1,5 +1,5 @@
 ############################################################################
-# libs/libc/machine/arm/armv8/Make.defs
+# libs/libc/machine/arm/armv8-m/Make.defs
 #
 #   Copyright (C) 2017 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <gnutt@nuttx.org>
@@ -33,7 +33,7 @@
 #
 ############################################################################
 
-ifeq ($(CONFIG_ARMV8_LIBM),y)
+ifeq ($(CONFIG_ARMV8M_LIBM),y)
 
 ifeq ($(LIBM_ARCH_CEIL),y)
 CSRCS += arch_ceil.c
@@ -83,7 +83,7 @@ ifeq ($(LIBM_ARCH_TRUNC),y)
 CSRCS += arch_trunc.c
 endif
 
-DEPPATH += --dep-path machine/arm/armv8
-VPATH += :machine/arm/armv8
+DEPPATH += --dep-path machine/arm/armv8-m
+VPATH += :machine/arm/armv8-m
 
-endif # CONFIG_ARMV8_LIBM
+endif # CONFIG_ARMV8M_LIBM

libs/libc/machine/arm/armv8-m/arch_ceil.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/machine/arm/armv8/arch_ceil.c
+ * libs/libc/machine/arm/armv8-m/arch_ceil.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *

libs/libc/machine/arm/armv8-m/arch_ceilf.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/machine/arm/armv8/arch_ceilf.c
+ * libs/libc/machine/arm/armv8-m/arch_ceilf.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *

libs/libc/machine/arm/armv8-m/arch_floor.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/machine/arm/armv8/arch_floor.c
+ * libs/libc/machine/arm/armv8-m/arch_floor.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *

libs/libc/machine/arm/armv8-m/arch_floorf.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/machine/arm/armv8/arch_floorf.c
+ * libs/libc/machine/arm/armv8-m/arch_floorf.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *

libs/libc/machine/arm/armv8-m/arch_nearbyint.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/machine/arm/armv8/arch_nearbyint.c
+ * libs/libc/machine/arm/armv8-m/arch_nearbyint.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *

libs/libc/machine/arm/armv8-m/arch_nearbyintf.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/machine/arm/armv8/arch_nearbyintf.c
+ * libs/libc/machine/arm/armv8-m/arch_nearbyintf.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *

libs/libc/machine/arm/armv8-m/arch_rint.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/machine/arm/armv8/arch_rint.c
+ * libs/libc/machine/arm/armv8-m/arch_rint.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *

libs/libc/machine/arm/armv8-m/arch_rintf.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/machine/arm/armv8/arch_rintf.c
+ * libs/libc/machine/arm/armv8-m/arch_rintf.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *

libs/libc/machine/arm/armv8-m/arch_round.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/machine/arm/armv8/arch_round.c
+ * libs/libc/machine/arm/armv8-m/arch_round.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *

libs/libc/machine/arm/armv8-m/arch_roundf.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/machine/arm/armv8/arch_roundf.c
+ * libs/libc/machine/arm/armv8-m/arch_roundf.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *

libs/libc/machine/arm/armv8-m/arch_trunc.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/machine/arm/armv8/arch_trunc.c
+ * libs/libc/machine/arm/armv8-m/arch_trunc.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *

libs/libc/machine/arm/armv8-m/arch_truncf.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/machine/arm/armv8/arch_truncf.c
+ * libs/libc/machine/arm/armv8-m/arch_truncf.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *