Change STM32 so that stm32_pmstop.c and stm32_pmstandby are built even if CONFIG_PM is not defined

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4502 42af7a65-404d-4744-a932-0658087f49c3

TODO

@@ -10,7 +10,7 @@ nuttx/
   (1)  On-demand paging (sched/)
   (1)  Memory Managment (mm/)
   (2)  Signals (sched/, arch/)
-  (1)  pthreads (sched/)
+  (2)  pthreads (sched/)
   (2)  C++ Support
   (5)  Binary loaders (binfmt/)
  (17)  Network (net/, drivers/net)
@@ -190,6 +190,26 @@ o pthreads (sched/)
   Status:      Open
   Priority:    Low, probably not that useful
 
+  Title:       PTHREAD_PRIO_PROTECT
+               Extended pthread_mutexattr_setprotocol() suport PTHREAD_PRIO_PROTECT:
+               "When a thread owns one or more mutexes initialized with the
+               PTHREAD_PRIO_PROTECT protocol, it shall execute at the higher of its
+               priority  or  the  highest  of the priority ceilings of all the mutexes
+               owned by this thread and initialized with this attribute, regardless of
+               whether other threads are blocked on any of these mutexes or not.
+
+               "While  a  thread is holding a mutex which has been initialized with
+               the PTHREAD_PRIO_INHERIT or PTHREAD_PRIO_PROTECT protocol attributes,
+               it shall not be subject to being moved to the tail of the scheduling queue
+               at its priority in the event that its original priority is changed,
+               such as by a call to sched_setparam(). Likewise, when a thread unlocks
+               a mutex that has been initialized with the PTHREAD_PRIO_INHERIT or
+               PTHREAD_PRIO_PROTECT protocol attributes, it shall not be subject to
+               being moved to the tail of the scheduling queue at its priority in  the
+               event that its original priority is changed."
+  Status:      Open
+  Priority:    Low, probably not that useful
+
 o C++ Support
   ^^^^^^^^^^^
 

arch/arm/src/Makefile

@@ -71,7 +71,7 @@ SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
 LDFLAGS		= $(ARCHSCRIPT)
-EXTRA_LIBS	=
+EXTRA_LIBS	?=
 
 LINKLIBS	=
 ifeq ($(WINTOOL),y)

arch/arm/src/stm32/Make.defs

@@ -76,8 +76,9 @@ ifneq ($(CONFIG_IDLE_CUSTOM),y)
 CHIP_CSRCS	+= stm32_idle.c
 endif
 
+CHIP_CSRCS	+= stm32_pmstop.c stm32_pmstandby.c
 ifeq ($(CONFIG_PM),y)
-CHIP_CSRCS	+= stm32_pminitialize.c stm32_pmstop.c stm32_pmstandby.c
+CHIP_CSRCS	+= stm32_pminitialize.c
 endif
 
 ifeq ($(CONFIG_STM32_ETHMAC),y)

arch/arm/src/stm32/stm32_pm.h

@@ -48,8 +48,6 @@
 #include "chip.h"
 #include "up_internal.h"
 
-#ifdef CONFIG_PM
-
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
@@ -75,7 +73,9 @@ extern "C" {
  * state activities.
  */
 
+#ifdef CONFIG_PM
 EXTERN sem_t g_pmsem;
+#endif
 
 /****************************************************************************
  * Public Function Prototypes
@@ -99,7 +99,8 @@ EXTERN sem_t g_pmsem;
  *   errno value is returned to indicate the cause of the failure.
  *
  * Assumptions:
- *   The caller holds the PM semaphore (g_pmsem).
+ *   The caller holds the PM semaphore (g_pmsem) if this function is used
+ *   as part of the NuttX power management logic.
  *
  ****************************************************************************/
 
@@ -121,7 +122,8 @@ EXTERN int stm32_pmstop(bool lpds);
  *   failure.
  *
  * Assumptions:
- *   The caller holds the PM semaphore (g_pmsem).
+ *   The caller holds the PM semaphore (g_pmsem) if this function is used
+ *   as part of the NuttX power management logic.
  *
  ****************************************************************************/
 
@@ -133,5 +135,4 @@ EXTERN int stm32_pmstandby(void);
 #endif
 #endif /* __ASSEMBLY__ */
 
-#endif /* CONFIG_PM */
 #endif /* __ARCH_ARM_SRC_STM32_STM32_PM_H */

arch/arm/src/stm32/stm32_pmstandby.c

@@ -46,8 +46,6 @@
 #include "stm32_pwr.h"
 #include "stm32_pm.h"
 
-#ifdef CONFIG_PM
-
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
@@ -80,7 +78,8 @@
  *   failure.
  *
  * Assumptions:
- *   The caller holds the PM semaphore (g_pmsem).
+ *   The caller holds the PM semaphore (g_pmsem) if this function is used
+ *   as part of the NuttX power management logic.
  *
  ****************************************************************************/
 
@@ -112,5 +111,3 @@ int stm32_pmstandby(void)
   asm("WFI");
   return OK;  /* Won't get here */
 }
-
-#endif /* CONFIG_PM */

arch/arm/src/stm32/stm32_pmstop.c

@@ -46,8 +46,6 @@
 #include "stm32_pwr.h"
 #include "stm32_pm.h"
 
-#ifdef CONFIG_PM
-
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
@@ -82,7 +80,8 @@
  *   errno value is returned to indicate the cause of the failure.
  *
  * Assumptions:
- *   The caller holds the PM semaphore (g_pmsem).
+ *   The caller holds the PM semaphore (g_pmsem) if this function is used
+ *   as part of the NuttX power management logic.
  *
  ****************************************************************************/
 
@@ -117,5 +116,3 @@ int stm32_pmstop(bool lpds)
   asm("WFI");
   return OK;
 }
-
-#endif /* CONFIG_PM */

arch/avr/src/Makefile

@@ -76,7 +76,7 @@ SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
 LDFLAGS		= $(ARCHSCRIPT)
-EXTRA_LIBS	=
+EXTRA_LIBS	?=
 
 LINKLIBS	=
 ifeq ($(WINTOOL),y)

arch/hc/src/Makefile

@@ -68,7 +68,7 @@ SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
 LDFLAGS		= $(ARCHSCRIPT)
-EXTRA_LIBS	=
+EXTRA_LIBS	?=
 
 LINKLIBS	=
 ifeq ($(WINTOOL),y)

arch/mips/src/Makefile

@@ -65,7 +65,7 @@ SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
 LDFLAGS		= $(ARCHSCRIPT)
-EXTRA_LIBS	=
+EXTRA_LIBS	?=
 
 LINKLIBS	=
 ifeq ($(WINTOOL),y)

arch/sh/src/Makefile

@@ -51,7 +51,7 @@ SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
 LDFLAGS		= $(ARCHSCRIPT)
-EXTRA_LIBS	=
+EXTRA_LIBS	?=
 
 LINKLIBS	=
 LDPATHES	= $(addprefix -L$(TOPDIR)/,$(dir $(LINKLIBS)))

arch/x86/src/Makefile

@@ -65,7 +65,7 @@ SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
 LDFLAGS		= $(ARCHSCRIPT)
-EXTRA_LIBS	=
+EXTRA_LIBS	?=
 
 LINKLIBS	=
 ifeq ($(WINTOOL),y)