ARMv7-M/ARMv6-M: Review last PR. Rename CONFIG_DEBUG_HARDFAULT to OHNFIG_DEBUG_HARDFAULT_ALERT for consistency.

arch/arm/Kconfig

@@ -744,27 +744,31 @@ config ARCH_ROMPGTABLE
 	default n
 	depends on ARCH_USE_MMU
 	---help---
-		Support a fixed memory mapping use a (read-only) page table in ROM/FLASH.
+		Support a fixed memory mapping use a (read-only) page table in
+		ROM/FLASH.
 
 config ARCH_HAVE_HARDFAULT_DEBUG
 	bool
 	default n
 
-config DEBUG_HARDFAULT
+config DEBUG_HARDFAULT_ALERT
-	bool "Verbose Hard-Fault Debug"
+	bool "Hard-Fault Alert Debug"
 	default n
-	depends on ARCH_HAVE_HARDFAULT_DEBUG && DEBUG_FEATURES
+	depends on ARCH_HAVE_HARDFAULT_DEBUG && DEBUG_ALERT
 	---help---
-		Enables verbose debug output when a hard fault is occurs.  This verbose
+		Enables debug alert output to the SYSLOG when a hard fault
-		output is sometimes helpful when debugging difficult hard fault problems,
+		occurs.  This output is sometimes helpful when debugging difficult
-		but may be more than you typically want to see.
+		hard fault problems.
 
 config DEBUG_HARDFAULT_INFO
 	bool "Hard-Fault Informational Output"
 	default n
-	depends on ARCH_HAVE_HARDFAULT_DEBUG && DEBUG_FEATURES && DEBUG_INFO
+	depends on ARCH_HAVE_HARDFAULT_DEBUG && DEBUG_INFO
 	---help---
-		Enable hard fault informational output to SYSLOG.
+		Enables informational alert output to the SYSLOG when a hard fault
+		occurs.  This output is sometimes helpful when debugging difficult
+		hard fault problems but may be more than you want to see in some
+		cases.
 
 config ARCH_HAVE_MEMFAULT_DEBUG
 	bool

arch/arm/src/armv6-m/up_hardfault.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * arch/arm/src/armv6-m/up_hardfault.c
  *
- *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2013, 2018 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -54,7 +54,7 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#ifdef CONFIG_DEBUG_HARDFAULT
+#ifdef CONFIG_DEBUG_HARDFAULT_ALERT
 # define hfalert(format, ...)  _alert(format, ##__VA_ARGS__)
 #else
 # define hfalert(x...)
@@ -125,21 +125,21 @@ int up_hardfault(int irq, FAR void *context, FAR void *arg)
         }
     }
 
-#if defined(CONFIG_DEBUG_HARDFAULT)
+#if defined(CONFIG_DEBUG_HARDFAULT_ALERT)
   /* Dump some hard fault info */
 
   hfalert("\nHard Fault:\n");
   hfalert("  IRQ: %d regs: %p\n", irq, regs);
   hfalert("  PRIMASK: %08x IPSR: %08x\n",
-         getprimask(), getipsr());
+          getprimask(), getipsr());
   hfalert("  R0: %08x %08x %08x %08x %08x %08x %08x %08x\n",
-         regs[REG_R0],  regs[REG_R1],  regs[REG_R2],  regs[REG_R3],
+          regs[REG_R0],  regs[REG_R1],  regs[REG_R2],  regs[REG_R3],
-         regs[REG_R4],  regs[REG_R5],  regs[REG_R6],  regs[REG_R7]);
+          regs[REG_R4],  regs[REG_R5],  regs[REG_R6],  regs[REG_R7]);
   hfalert("  R8: %08x %08x %08x %08x %08x %08x %08x %08x\n",
-         regs[REG_R8],  regs[REG_R9],  regs[REG_R10], regs[REG_R11],
+          regs[REG_R8],  regs[REG_R9],  regs[REG_R10], regs[REG_R11],
-         regs[REG_R12], regs[REG_R13], regs[REG_R14], regs[REG_R15]);
+          regs[REG_R12], regs[REG_R13], regs[REG_R14], regs[REG_R15]);
   hfalert("  xPSR: %08x PRIMASK: %08x (saved)\n",
-         CURRENT_REGS[REG_XPSR],  CURRENT_REGS[REG_PRIMASK]);
+          CURRENT_REGS[REG_XPSR],  CURRENT_REGS[REG_PRIMASK]);
 #endif
 
   (void)up_irq_save();

arch/arm/src/armv7-m/up_hardfault.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * arch/arm/src/armv7-m/up_hardfault.c
  *
- *   Copyright (C) 2009, 2013, 2016 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2009, 2013, 2016, 2018 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -59,7 +59,7 @@
  * interfere with context switching!
  */
 
-#ifdef CONFIG_DEBUG_HARDFAULT
+#ifdef CONFIG_DEBUG_HARDFAULT_ALERT
 # define hfalert(format, ...)  _alert(format, ##__VA_ARGS__)
 #else
 # define hfalert(x...)
@@ -71,7 +71,6 @@
 # define hfinfo(x...)
 #endif
 
-
 #define INSN_SVC0        0xdf00 /* insn: svc 0 */
 
 /****************************************************************************
@@ -89,7 +88,7 @@
 
 int up_hardfault(int irq, FAR void *context, FAR void *arg)
 {
-#if defined(CONFIG_DEBUG_HARDFAULT) || !defined(CONFIG_ARMV7M_USEBASEPRI)
+#if defined(CONFIG_DEBUG_HARDFAULT_ALERT) || !defined(CONFIG_ARMV7M_USEBASEPRI)
   uint32_t *regs = (uint32_t *)context;
 #endif