arm: Update UNUSED()

Change arm definition of UNUSED() for gcc/clang builds to cast arg to void.
Add UNUSED(<parameter>) where function parameter not used(in
nucleo-hs743zi2:jumbo configuration).

Signed-off-by: Peter Barada <peter.barada@gmail.com>

Author: pbarada

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

@@ -62,6 +62,11 @@
 int arm_busfault(int irq, void *context, void *arg)
 {
   uint32_t cfsr = getreg32(NVIC_CFAULTS);
+#ifndef CONFIG_DEBUG_BUSFAULT
+  UNUSED(irq);
+#endif
+  UNUSED(context);
+  UNUSED(arg);
 
   bfalert("PANIC!!! Bus Fault:\n");
   bfalert("\tIRQ: %d regs: %p\n", irq, context);

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

@@ -782,7 +782,10 @@ void up_invalidate_dcache_all(void)
 #ifdef CONFIG_ARMV7M_DCACHE
 void up_clean_dcache(uintptr_t start, uintptr_t end)
 {
-#ifndef CONFIG_ARMV7M_DCACHE_WRITETHROUGH
+#ifdef CONFIG_ARMV7M_DCACHE_WRITETHROUGH
+  UNUSED(start);
+  UNUSED(end);
+#else
   uint32_t ccsidr;
   uint32_t sshift;
   uint32_t ssize;

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

@@ -141,6 +141,7 @@ static int arm_watchpoint_add(int type, uint32_t addr, size_t size)
 {
   uint32_t num = ARM_DWT_NUM();
   uint32_t i;
+  UNUSED(size);
 
   for (i = 0; i < num; i++)
     {
@@ -193,6 +194,7 @@ static int arm_watchpoint_remove(int type, uint32_t addr, size_t size)
 {
   uint32_t num = ARM_DWT_NUM();
   uint32_t i;
+  UNUSED(size);
 
   for (i = 0; i < num; i++)
     {
@@ -662,6 +664,8 @@ int arm_dbgmonitor(int irq, void *context, void *arg)
 {
   uint32_t dfsr = getreg32(NVIC_DFAULTS);
   uint32_t *regs = (uint32_t *)context;
+  UNUSED(irq);
+  UNUSED(arg);
 
   if ((dfsr & NVIC_DFAULTS_HALTED) != 0)
     {

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

@@ -76,6 +76,10 @@ int arm_hardfault(int irq, void *context, void *arg)
 
   UNUSED(cfsr);
   UNUSED(hfsr);
+#ifndef CONFIG_DEBUG_HARDFAULT_ALERT
+  UNUSED(irq);
+  UNUSED(arg);
+#endif
 
   if (hfsr & NVIC_HFAULTS_FORCED)
     {

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

@@ -63,6 +63,9 @@
 int arm_memfault(int irq, void *context, void *arg)
 {
   uint32_t cfsr = getreg32(NVIC_CFAULTS);
+#ifndef CONFIG_DEBUG_MEMFAULT
+  UNUSED(irq);
+#endif
 
   /* Dump some memory management fault info */
 

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

@@ -64,6 +64,8 @@ int arm_svcall(int irq, void *context, void *arg)
   uint32_t *regs = (uint32_t *)context;
   struct tcb_s *tcb;
   uint32_t cmd;
+  UNUSED(irq);
+  UNUSED(arg);
 
   cmd = regs[REG_R0];
 

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

@@ -52,6 +52,7 @@
 void up_trigger_irq(int irq, cpu_set_t cpuset)
 {
   uint32_t pend_bit = 0;
+  UNUSED(cpuset);
 
   DEBUGASSERT(irq >= NVIC_IRQ_NMI && irq < NR_IRQS);
 

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

@@ -62,6 +62,10 @@
 int arm_usagefault(int irq, void *context, void *arg)
 {
   uint32_t cfsr = getreg32(NVIC_CFAULTS);
+#ifndef CONFIG_DEBUG_USAGEFAULT
+  UNUSED(irq);
+#endif
+  UNUSED(arg);
 
   /* Dump some usage fault info */
 

arch/arm/src/common/Toolchain.defs

@@ -482,7 +482,7 @@ ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
     # instruct the exlr to dump verbose information during link procedure
     LDFLAGS += -v
 
-    # instruct the gsize to generate a "*.siz" file that contains the detailed section size
+    # instruct the gsize to generate a "*.size" file that contains the detailed section size
     LDFLAGS += -gsize
 
     ARCHOPTIMIZATION += -G -dual_debug

arch/arm/src/common/arm_exit.c

@@ -56,6 +56,8 @@
 
 void up_exit(int status)
 {
+  UNUSED(status);
+
   /* Destroy the task at the head of the ready to run list. */
 
   nxtask_exit();