git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3226 35acf78f-673a-0410-8e92-d51de3d6d3f4

44 files changed, 430 insertions, 3 deletions

diff --git a/demos/ARM7-AT91SAM7S-FATFS-GCC/chconf.h b/demos/ARM7-AT91SAM7S-FATFS-GCC/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARM7-AT91SAM7S-FATFS-GCC/chconf.h
+++ b/demos/ARM7-AT91SAM7S-FATFS-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARM7-AT91SAM7S-GCC/chconf.h b/demos/ARM7-AT91SAM7S-GCC/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARM7-AT91SAM7S-GCC/chconf.h
+++ b/demos/ARM7-AT91SAM7S-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARM7-AT91SAM7X-FATFS-GCC/chconf.h b/demos/ARM7-AT91SAM7X-FATFS-GCC/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARM7-AT91SAM7X-FATFS-GCC/chconf.h
+++ b/demos/ARM7-AT91SAM7X-FATFS-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARM7-AT91SAM7X-GCC/chconf.h b/demos/ARM7-AT91SAM7X-GCC/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARM7-AT91SAM7X-GCC/chconf.h
+++ b/demos/ARM7-AT91SAM7X-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARM7-AT91SAM7X-LWIP-GCC/chconf.h b/demos/ARM7-AT91SAM7X-LWIP-GCC/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARM7-AT91SAM7X-LWIP-GCC/chconf.h
+++ b/demos/ARM7-AT91SAM7X-LWIP-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARM7-AT91SAM7X-UIP-GCC/chconf.h b/demos/ARM7-AT91SAM7X-UIP-GCC/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARM7-AT91SAM7X-UIP-GCC/chconf.h
+++ b/demos/ARM7-AT91SAM7X-UIP-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARM7-LPC214x-FATFS-GCC/chconf.h b/demos/ARM7-LPC214x-FATFS-GCC/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARM7-LPC214x-FATFS-GCC/chconf.h
+++ b/demos/ARM7-LPC214x-FATFS-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARM7-LPC214x-G++/chconf.h b/demos/ARM7-LPC214x-G++/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARM7-LPC214x-G++/chconf.h
+++ b/demos/ARM7-LPC214x-G++/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARM7-LPC214x-GCC/chconf.h b/demos/ARM7-LPC214x-GCC/chconf.h
index eb4087969..a5d129956 100644
--- a/demos/ARM7-LPC214x-GCC/chconf.h
+++ b/demos/ARM7-LPC214x-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARMCM0-LPC1114-LPCXPRESSO/chconf.h b/demos/ARMCM0-LPC1114-LPCXPRESSO/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARMCM0-LPC1114-LPCXPRESSO/chconf.h
+++ b/demos/ARMCM0-LPC1114-LPCXPRESSO/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARMCM3-LPC1343-LPCXPRESSO/chconf.h b/demos/ARMCM3-LPC1343-LPCXPRESSO/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARMCM3-LPC1343-LPCXPRESSO/chconf.h
+++ b/demos/ARMCM3-LPC1343-LPCXPRESSO/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARMCM3-STM32F100-DISCOVERY/chconf.h b/demos/ARMCM3-STM32F100-DISCOVERY/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARMCM3-STM32F100-DISCOVERY/chconf.h
+++ b/demos/ARMCM3-STM32F100-DISCOVERY/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARMCM3-STM32F103-FATFS/chconf.h b/demos/ARMCM3-STM32F103-FATFS/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARMCM3-STM32F103-FATFS/chconf.h
+++ b/demos/ARMCM3-STM32F103-FATFS/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARMCM3-STM32F103-G++/chconf.h b/demos/ARMCM3-STM32F103-G++/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARMCM3-STM32F103-G++/chconf.h
+++ b/demos/ARMCM3-STM32F103-G++/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARMCM3-STM32F103/chconf.h b/demos/ARMCM3-STM32F103/chconf.h
index eb4087969..a5d129956 100644
--- a/demos/ARMCM3-STM32F103/chconf.h
+++ b/demos/ARMCM3-STM32F103/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARMCM3-STM32F103ZG-FATFS/chconf.h b/demos/ARMCM3-STM32F103ZG-FATFS/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARMCM3-STM32F103ZG-FATFS/chconf.h
+++ b/demos/ARMCM3-STM32F103ZG-FATFS/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARMCM3-STM32F107/chconf.h b/demos/ARMCM3-STM32F107/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARMCM3-STM32F107/chconf.h
+++ b/demos/ARMCM3-STM32F107/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/ARMCM3-STM32L152-DISCOVERY/chconf.h b/demos/ARMCM3-STM32L152-DISCOVERY/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/ARMCM3-STM32L152-DISCOVERY/chconf.h
+++ b/demos/ARMCM3-STM32L152-DISCOVERY/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/AVR-AT90CANx-GCC/chconf.h b/demos/AVR-AT90CANx-GCC/chconf.h
index cb22265a2..7a50c5b5a 100644
--- a/demos/AVR-AT90CANx-GCC/chconf.h
+++ b/demos/AVR-AT90CANx-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/AVR-ATmega128-GCC/chconf.h b/demos/AVR-ATmega128-GCC/chconf.h
index cb22265a2..7a50c5b5a 100644
--- a/demos/AVR-ATmega128-GCC/chconf.h
+++ b/demos/AVR-ATmega128-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/MSP430-MSP430x1611-GCC/chconf.h b/demos/MSP430-MSP430x1611-GCC/chconf.h
index 51b833cc2..058dd1cb3 100644
--- a/demos/MSP430-MSP430x1611-GCC/chconf.h
+++ b/demos/MSP430-MSP430x1611-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/PPC-SPC563-GCC/chconf.h b/demos/PPC-SPC563-GCC/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/demos/PPC-SPC563-GCC/chconf.h
+++ b/demos/PPC-SPC563-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/Posix-GCC/chconf.h b/demos/Posix-GCC/chconf.h
index 4572090b0..fa22f7210 100644
--- a/demos/Posix-GCC/chconf.h
+++ b/demos/Posix-GCC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

@@ -503,6 +513,7 @@
 }

 #endif

 

+

 /**

  * @brief   System halt hook.

  * @details This hook is invoked in case to a system halting error before

diff --git a/demos/STM8L-STM8L152-DISCOVERY-STVD/demo/chconf.h b/demos/STM8L-STM8L152-DISCOVERY-STVD/demo/chconf.h
index d7a106c5b..c004cf310 100644
--- a/demos/STM8L-STM8L152-DISCOVERY-STVD/demo/chconf.h
+++ b/demos/STM8L-STM8L152-DISCOVERY-STVD/demo/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/STM8S-STM8S105-DISCOVERY-STVD/demo/chconf.h b/demos/STM8S-STM8S105-DISCOVERY-STVD/demo/chconf.h
index d7a106c5b..c004cf310 100644
--- a/demos/STM8S-STM8S105-DISCOVERY-STVD/demo/chconf.h
+++ b/demos/STM8S-STM8S105-DISCOVERY-STVD/demo/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/STM8S-STM8S208-RC/chconf.h b/demos/STM8S-STM8S208-RC/chconf.h
index d7a106c5b..c004cf310 100644
--- a/demos/STM8S-STM8S208-RC/chconf.h
+++ b/demos/STM8S-STM8S208-RC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/demos/Win32-MinGW/chconf.h b/demos/Win32-MinGW/chconf.h
index 4572090b0..fa22f7210 100644
--- a/demos/Win32-MinGW/chconf.h
+++ b/demos/Win32-MinGW/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

@@ -503,6 +513,7 @@
 }

 #endif

 

+

 /**

  * @brief   System halt hook.

  * @details This hook is invoked in case to a system halting error before

diff --git a/os/kernel/include/chsys.h b/os/kernel/include/chsys.h
index 7c3a77d5c..f807182ac 100644
--- a/os/kernel/include/chsys.h
+++ b/os/kernel/include/chsys.h
@@ -76,6 +76,7 @@
  */

 #define chSysSwitch(ntp, otp) {                                             \

   dbg_trace(otp);                                                           \

+  THREAD_CONTEXT_SWITCH_HOOK(ntp, otp);                                     \

   port_switch(ntp, otp);                                                    \

 }

 

diff --git a/os/kernel/templates/chconf.h b/os/kernel/templates/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/os/kernel/templates/chconf.h
+++ b/os/kernel/templates/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/readme.txt b/readme.txt
index f55a93ae8..1c4207711 100644
--- a/readme.txt
+++ b/readme.txt
@@ -89,9 +89,9 @@
   (backported to 2.2.4).

 - FIX: Fixed timeout problem in the lwIP interface layer (bug 3302420)

   (backported to 2.2.4).

-- NEW: Removed the option CH_USE_NESTED_LOCK, lwIP no more requires it and it

-  would have conflicted with CH_DBG_SYSTEM_STATE_CHECK that is far more

-  useful.

+- NEW: Added a new hook THREAD_CONTEXT_SWITCH_HOOK() that allows to insert

+  code just before a context switch. For example this hook could be used

+  in oder to implement advanced power management schemes.

 - NEW: Added a new debug option CH_DBG_SYSTEM_STATE_CHECK that ensures the

   correct API call protocol. If an API is invoked out of the correct context

   then the kernel panics with a debug message.

@@ -157,6 +157,9 @@
   not support fast interrupts (backported to 2.2.5).

 - NEW: Now the port layer exports info regarding the compiler and the port

   options. The info are printed into the test reports.

+- CHANGE: Removed the option CH_USE_NESTED_LOCK, lwIP no more requires it and

+  it would have conflicted with CH_DBG_SYSTEM_STATE_CHECK which is far more

+  useful.

 - CHANGE: Renamed the scheduler functions chSchIsRescRequiredExI() to

   chSchIsPreemptionRequired(), chSchDoRescheduleI() to chSchDoReschedule(),

   chSysSwitchI() to chSysSwitch(). All those functions were special cases

diff --git a/test/coverage/chconf.h b/test/coverage/chconf.h
index d3bc3b430..0859452de 100644
--- a/test/coverage/chconf.h
+++ b/test/coverage/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

@@ -503,6 +513,7 @@
 }

 #endif

 

+

 /**

  * @brief   System halt hook.

  * @details This hook is invoked in case to a system halting error before

diff --git a/testhal/LPC11xx/IRQ_STORM/chconf.h b/testhal/LPC11xx/IRQ_STORM/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/LPC11xx/IRQ_STORM/chconf.h
+++ b/testhal/LPC11xx/IRQ_STORM/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/testhal/LPC13xx/IRQ_STORM/chconf.h b/testhal/LPC13xx/IRQ_STORM/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/LPC13xx/IRQ_STORM/chconf.h
+++ b/testhal/LPC13xx/IRQ_STORM/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/testhal/STM32F1xx/ADC/chconf.h b/testhal/STM32F1xx/ADC/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/STM32F1xx/ADC/chconf.h
+++ b/testhal/STM32F1xx/ADC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/testhal/STM32F1xx/CAN/chconf.h b/testhal/STM32F1xx/CAN/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/STM32F1xx/CAN/chconf.h
+++ b/testhal/STM32F1xx/CAN/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/testhal/STM32F1xx/GPT/chconf.h b/testhal/STM32F1xx/GPT/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/STM32F1xx/GPT/chconf.h
+++ b/testhal/STM32F1xx/GPT/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/testhal/STM32F1xx/IRQ_STORM/chconf.h b/testhal/STM32F1xx/IRQ_STORM/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/STM32F1xx/IRQ_STORM/chconf.h
+++ b/testhal/STM32F1xx/IRQ_STORM/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/testhal/STM32F1xx/PWM-ICU/chconf.h b/testhal/STM32F1xx/PWM-ICU/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/STM32F1xx/PWM-ICU/chconf.h
+++ b/testhal/STM32F1xx/PWM-ICU/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/testhal/STM32F1xx/SDIO/chconf.h b/testhal/STM32F1xx/SDIO/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/STM32F1xx/SDIO/chconf.h
+++ b/testhal/STM32F1xx/SDIO/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/testhal/STM32F1xx/SPI/chconf.h b/testhal/STM32F1xx/SPI/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/STM32F1xx/SPI/chconf.h
+++ b/testhal/STM32F1xx/SPI/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/testhal/STM32F1xx/UART/chconf.h b/testhal/STM32F1xx/UART/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/STM32F1xx/UART/chconf.h
+++ b/testhal/STM32F1xx/UART/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/testhal/STM32F1xx/USB_CDC/chconf.h b/testhal/STM32F1xx/USB_CDC/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/STM32F1xx/USB_CDC/chconf.h
+++ b/testhal/STM32F1xx/USB_CDC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/testhal/STM32F1xx/USB_MSC/chconf.h b/testhal/STM32F1xx/USB_MSC/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/STM32F1xx/USB_MSC/chconf.h
+++ b/testhal/STM32F1xx/USB_MSC/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */

diff --git a/testhal/STM8S/SPI/demo/chconf.h b/testhal/STM8S/SPI/demo/chconf.h
index 6a365d96a..9dd831c96 100644
--- a/testhal/STM8S/SPI/demo/chconf.h
+++ b/testhal/STM8S/SPI/demo/chconf.h
@@ -483,6 +483,16 @@
 #endif

 

 /**

+ * @brief   Context switch hook.

+ * @details This hook is invoked just before switching between threads.

+ */

+#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)

+#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) {                              \

+  /* System halt code here.*/                                               \

+}

+#endif

+

+/**

  * @brief   Idle Loop hook.

  * @details This hook is continuously invoked by the idle thread loop.

  */