git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2971 35acf78f-673a-0410-8e92-d51de3d6d3f4

demos/ARM7-AT91SAM7S-FATFS-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARM7-AT91SAM7S-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARM7-AT91SAM7X-FATFS-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARM7-AT91SAM7X-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARM7-AT91SAM7X-LWIP-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARM7-AT91SAM7X-UIP-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARM7-LPC214x-FATFS-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARM7-LPC214x-G++/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARM7-LPC214x-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARMCM0-LPC1114-LPCXPRESSO/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARMCM3-LPC1343-LPCXPRESSO/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARMCM3-STM32F100-DISCOVERY/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARMCM3-STM32F103-FATFS-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARMCM3-STM32F103-G++/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARMCM3-STM32F103/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARMCM3-STM32F103ZG/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/ARMCM3-STM32F107/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/AVR-AT90CANx-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/AVR-ATmega128-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/MSP430-MSP430x1611-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/PPC-SPC563-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/Posix-GCC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/STM8L-STM8L152-DISCOVERY-STVD/demo/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               FALSE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/STM8S-STM8S105-DISCOVERY-STVD/demo/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               FALSE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/STM8S-STM8S208-RC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               FALSE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

demos/Win32-MinGW/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

os/kernel/include/chschd.h

@@ -84,10 +84,8 @@ typedef struct {
 #if CH_TIME_QUANTUM > 0
   cnt_t                 r_preempt;  /**< @brief Round robin counter.        */
 #endif
-#ifndef CH_CURRP_REGISTER_CACHE
   Thread                *r_current; /**< @brief The currently running
                                                 thread.                     */
-#endif
 } ReadyList;
 #endif /* !defined(PORT_OPTIMIZED_READYLIST_STRUCT) */
 
@@ -103,11 +101,7 @@ extern ReadyList rlist;
  *          (currp = something), use @p setcurrp() instead.
  */
 #if !defined(PORT_OPTIMIZED_CURRP) || defined(__DOXYGEN__)
-#if !defined(CH_CURRP_REGISTER_CACHE) || defined(__DOXYGEN__)
 #define currp rlist.r_current
-#else /* defined(CH_CURRP_REGISTER_CACHE) */
-register Thread *currp asm(CH_CURRP_REGISTER_CACHE);
-#endif /* defined(CH_CURRP_REGISTER_CACHE) */
 #endif /* !defined(PORT_OPTIMIZED_CURRP) */
 
 /**

os/kernel/src/chsys.c

@@ -38,7 +38,7 @@
 #if !CH_NO_IDLE_THREAD || defined(__DOXYGEN__)
 /**
  * @brief   Idle thread working area.
- * @see     IDLE_THREAD_STACK_SIZE
+ * @see     PORT_IDLE_THREAD_STACK_SIZE
  */
 WORKING_AREA(_idle_thread_wa, PORT_IDLE_THREAD_STACK_SIZE);
 

os/kernel/templates/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

os/kernel/templates/chcore.h

@@ -47,10 +47,10 @@
  * @brief   Stack size for the system idle thread.
  * @details This size depends on the idle thread implementation, usually
  *          the idle thread should take no more space than those reserved
- *          by @p INT_REQUIRED_STACK.
+ *          by @p PORT_INT_REQUIRED_STACK.
  */
 #ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define PORT_IDLE_THREAD_STACK_SIZE 0
+#define PORT_IDLE_THREAD_STACK_SIZE     0
 #endif
 
 /**
@@ -62,7 +62,7 @@
  *          @p extctx is known to be zero.
  */
 #ifndef PORT_INT_REQUIRED_STACK
-#define PORT_INT_REQUIRED_STACK     0
+#define PORT_INT_REQUIRED_STACK         0
 #endif
 
 /*===========================================================================*/
@@ -151,7 +151,7 @@ struct context {
 #define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) +                         \
                                    sizeof(struct intctx) +                  \
                                    sizeof(struct extctx) +                  \
-                                  (n) + (INT_REQUIRED_STACK))
+                                  (n) + (PORT_INT_REQUIRED_STACK))
 
 /**
  * @brief   Static working area allocation.

os/ports/GCC/ARM/chcore.h

@@ -155,9 +155,7 @@ struct intctx {
   regarm_t      r4;
   regarm_t      r5;
   regarm_t      r6;
-#ifndef CH_CURRP_REGISTER_CACHE
   regarm_t      r7;
-#endif
   regarm_t      r8;
   regarm_t      r9;
   regarm_t      r10;
@@ -192,12 +190,12 @@ struct context {
  * @brief   Stack size for the system idle thread.
  * @details This size depends on the idle thread implementation, usually
  *          the idle thread should take no more space than those reserved
- *          by @p INT_REQUIRED_STACK.
+ *          by @p PORT_INT_REQUIRED_STACK.
  * @note    In this port it is set to 4 because the idle thread does have
  *          a stack frame when compiling without optimizations.
  */
-#ifndef IDLE_THREAD_STACK_SIZE
+#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE      4
+#define PORT_IDLE_THREAD_STACK_SIZE     4
 #endif
 
 /**
@@ -210,8 +208,8 @@ struct context {
  * @note    In this port 0x10 is a safe value, it can be reduced after careful
  *          analysis of the generated code.
  */
-#ifndef INT_REQUIRED_STACK
+#ifndef PORT_INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK          0x10
+#define PORT_INT_REQUIRED_STACK         0x10
 #endif
 
 /**
@@ -225,7 +223,7 @@ struct context {
 #define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) +                         \
                                    sizeof(struct intctx) +                  \
                                    sizeof(struct extctx) +                  \
-                                  (n) + (INT_REQUIRED_STACK))
+                                  (n) + (PORT_INT_REQUIRED_STACK))
 
 /**
  * @brief   Static working area allocation.

os/ports/GCC/ARMCMx/old/chcore_v7m.c

@@ -54,7 +54,6 @@ void SysTickVector(void) {
   chSysUnlockFromIsr();
 }
 
-#if !defined(CH_CURRP_REGISTER_CACHE)
 #define PUSH_CONTEXT(sp, prio) {                                        \
   asm volatile ("mrs     %0, PSP                                \n\t"   \
                 "stmdb   %0!, {r3-r11,lr}" :                            \
@@ -67,20 +66,6 @@ void SysTickVector(void) {
                 "msr     BASEPRI, r3                            \n\t"   \
                 "bx      lr" : "=r" (sp) : "r" (sp));                   \
 }
-#else /* defined(CH_CURRP_REGISTER_CACHE) */
-#define PUSH_CONTEXT(sp, prio) {                                        \
-  asm volatile ("mrs     %0, PSP                                \n\t"   \
-                "stmdb   %0!, {r3-r6,r8-r11, lr}" :                     \
-                "=r" (sp) : "r" (sp), "r" (prio));                      \
-}
-
-#define POP_CONTEXT(sp) {                                               \
-  asm volatile ("ldmia   %0!, {r3-r6,r8-r11, lr}                \n\t"   \
-                "msr     PSP, %0                                \n\t"   \
-                "msr     BASEPRI, r3                            \n\t"   \
-                "bx      lr" : "=r" (sp) : "r" (sp));                   \
-}
-#endif /* defined(CH_CURRP_REGISTER_CACHE) */
 
 /**
  * @brief   SVC vector.

os/ports/GCC/ARMCMx/old/chcore_v7m.h

@@ -96,12 +96,12 @@ struct intctx {
  * @brief   Stack size for the system idle thread.
  * @details This size depends on the idle thread implementation, usually
  *          the idle thread should take no more space than those reserved
- *          by @p INT_REQUIRED_STACK.
+ *          by @p PORT_INT_REQUIRED_STACK.
  * @note    In this port it is set to 4 because the idle thread does have
  *          a stack frame when compiling without optimizations.
  */
-#ifndef IDLE_THREAD_STACK_SIZE
+#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE      4
+#define PORT_IDLE_THREAD_STACK_SIZE     4
 #endif
 
 /**
@@ -113,8 +113,8 @@ struct intctx {
  *          @p extctx is known to be zero.
  * @note    This port requires no extra stack space for interrupt handling.
  */
-#ifndef INT_REQUIRED_STACK
+#ifndef PORT_INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK          0
+#define PORT_INT_REQUIRED_STACK         0
 #endif
 
 /**

os/ports/GCC/AVR/chcore.c

@@ -51,10 +51,8 @@ void port_switch(Thread *ntp, Thread *otp) {
   asm volatile ("push    r5");
   asm volatile ("push    r6");
   asm volatile ("push    r7");
-#ifndef CH_CURRP_REGISTER_CACHE
   asm volatile ("push    r8");
   asm volatile ("push    r9");
-#endif
   asm volatile ("push    r10");
   asm volatile ("push    r11");
   asm volatile ("push    r12");
@@ -88,10 +86,8 @@ void port_switch(Thread *ntp, Thread *otp) {
   asm volatile ("pop     r12");
   asm volatile ("pop     r11");
   asm volatile ("pop     r10");
-#ifndef CH_CURRP_REGISTER_CACHE
   asm volatile ("pop     r9");
   asm volatile ("pop     r8");
-#endif
   asm volatile ("pop     r7");
   asm volatile ("pop     r6");
   asm volatile ("pop     r5");

os/ports/GCC/AVR/chcore.h

@@ -105,10 +105,8 @@ struct intctx {
   uint8_t       r12;
   uint8_t       r11;
   uint8_t       r10;
-#ifndef CH_CURRP_REGISTER_CACHE
   uint8_t       r9;
   uint8_t       r8;
-#endif
   uint8_t       r7;
   uint8_t       r6;
   uint8_t       r5;
@@ -149,11 +147,11 @@ struct context {
  * @brief   Stack size for the system idle thread.
  * @details This size depends on the idle thread implementation, usually
  *          the idle thread should take no more space than those reserved
- *          by @p INT_REQUIRED_STACK.
+ *          by @p PORT_INT_REQUIRED_STACK.
  * @note    In this port it is set to 8.
  */
-#ifndef IDLE_THREAD_STACK_SIZE
+#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE 8
+#define PORT_IDLE_THREAD_STACK_SIZE     8
 #endif
 
 /**
@@ -165,8 +163,8 @@ struct context {
  *          @p extctx is known to be zero.
  * @note    In this port the default is 32 bytes per thread.
  */
-#ifndef INT_REQUIRED_STACK
+#ifndef PORT_INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK 32
+#define PORT_INT_REQUIRED_STACK     32
 #endif
 
 /**
@@ -180,7 +178,7 @@ struct context {
 #define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) +                     \
                                    (sizeof(struct intctx) - 1) +        \
                                    (sizeof(struct extctx) - 1) +        \
-                                   (n) + (INT_REQUIRED_STACK))
+                                   (n) + (PORT_INT_REQUIRED_STACK))
 
 /**
  * @brief   Static working area allocation.

os/ports/GCC/MSP430/chcore.h

@@ -122,10 +122,10 @@ struct context {
  * @brief   Stack size for the system idle thread.
  * @details This size depends on the idle thread implementation, usually
  *          the idle thread should take no more space than those reserved
- *          by @p INT_REQUIRED_STACK.
+ *          by @p PORT_INT_REQUIRED_STACK.
  */
-#ifndef IDLE_THREAD_STACK_SIZE
+#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE      0
+#define PORT_IDLE_THREAD_STACK_SIZE     0
 #endif
 
 /**
@@ -137,8 +137,8 @@ struct context {
  *          @p extctx is known to be zero.
  * @note    In this port the default is 32 bytes per thread.
  */
-#ifndef INT_REQUIRED_STACK
+#ifndef PORT_INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK          32
+#define PORT_INT_REQUIRED_STACK         32
 #endif
 
 /**
@@ -152,7 +152,7 @@ struct context {
 #define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) +                     \
                                    sizeof(struct intctx) +              \
                                    sizeof(struct extctx) +              \
-                                  (n) + (INT_REQUIRED_STACK))
+                                  (n) + (PORT_INT_REQUIRED_STACK))
 
 /**
  * @brief   Static working area allocation.

os/ports/GCC/PPC/chcore.h

@@ -185,10 +185,10 @@ struct context {
  * @brief   Stack size for the system idle thread.
  * @details This size depends on the idle thread implementation, usually
  *          the idle thread should take no more space than those reserved
- *          by @p INT_REQUIRED_STACK.
+ *          by @p PORT_INT_REQUIRED_STACK.
  */
-#ifndef IDLE_THREAD_STACK_SIZE
+#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE          0
+#define PORT_IDLE_THREAD_STACK_SIZE     0
 #endif
 
 /**
@@ -199,8 +199,8 @@ struct context {
  *          separate interrupt stack and the stack space between @p intctx and
  *          @p extctx is known to be zero.
  */
-#ifndef INT_REQUIRED_STACK
+#ifndef PORT_INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK              128
+#define PORT_INT_REQUIRED_STACK         128
 #endif
 
 /**
@@ -214,7 +214,7 @@ struct context {
 #define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) +                     \
                                    sizeof(struct intctx) +              \
                                    sizeof(struct extctx) +              \
-                                  (n) + (INT_REQUIRED_STACK))
+                                  (n) + (PORT_INT_REQUIRED_STACK))
 
 /**
  * @brief   Static working area allocation.

os/ports/GCC/SIMIA32/chcore.h

@@ -108,8 +108,8 @@ struct context {
 /**
  * Stack size for the system idle thread.
  */
-#ifndef IDLE_THREAD_STACK_SIZE
+#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE 256
+#define PORT_IDLE_THREAD_STACK_SIZE     256
 #endif
 
 /**
@@ -118,8 +118,8 @@ struct context {
  * It requires stack space because the simulated "interrupt handlers" can
  * invoke host library functions inside so it better have a lot of space.
  */
-#ifndef INT_REQUIRED_STACK
+#ifndef PORT_INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK 16384
+#define PORT_INT_REQUIRED_STACK         16384
 #endif
 
 /**
@@ -134,7 +134,7 @@ struct context {
                                    sizeof(void *) * 4 +                 \
                                    sizeof(struct intctx) +              \
                                    sizeof(struct extctx) +              \
-                                  (n) + (INT_REQUIRED_STACK))
+                                  (n) + (PORT_INT_REQUIRED_STACK))
 
 /**
  * Macro used to allocate a thread working area aligned as both position and

os/ports/IAR/ARMCMx/chcore.h

@@ -302,7 +302,7 @@ struct context {
 #define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) +                     \
                                    sizeof(struct intctx) +              \
                                    sizeof(struct extctx) +              \
-                                   (n) + (INT_REQUIRED_STACK))
+                                   (n) + (PORT_INT_REQUIRED_STACK))
 
 /**
  * @brief   Static working area allocation.

os/ports/IAR/ARMCMx/chcore_v6m.h

@@ -76,13 +76,13 @@ struct intctx {
  * @brief   Stack size for the system idle thread.
  * @details This size depends on the idle thread implementation, usually
  *          the idle thread should take no more space than those reserved
- *          by @p INT_REQUIRED_STACK.
+ *          by @p PORT_INT_REQUIRED_STACK.
  * @note    In this port it is set to 8 because the idle thread does have
  *          a stack frame when compiling without optimizations. You may
  *          reduce this value to zero when compiling with optimizations.
  */
-#ifndef IDLE_THREAD_STACK_SIZE
+#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE      16
+#define PORT_IDLE_THREAD_STACK_SIZE     16
 #endif
 
 /**
@@ -96,8 +96,8 @@ struct intctx {
  *          @p chSchDoRescheduleI() can have a stack frame, expecially with
  *          compiler optimizations disabled.
  */
-#ifndef INT_REQUIRED_STACK
+#ifndef PORT_INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK          16
+#define PORT_INT_REQUIRED_STACK         16
 #endif
 
 /**

os/ports/IAR/ARMCMx/chcore_v7m.h

@@ -49,9 +49,7 @@ struct intctx {
   regarm_t      r4;
   regarm_t      r5;
   regarm_t      r6;
-#ifndef CH_CURRP_REGISTER_CACHE
   regarm_t      r7;
-#endif
   regarm_t      r8;
   regarm_t      r9;
   regarm_t      r10;
@@ -78,13 +76,13 @@ struct intctx {
  * @brief   Stack size for the system idle thread.
  * @details This size depends on the idle thread implementation, usually
  *          the idle thread should take no more space than those reserved
- *          by @p INT_REQUIRED_STACK.
+ *          by @p PORT_INT_REQUIRED_STACK.
- * @note    In this port it is set to 8 because the idle thread does have
+ * @note    In this port it is set to 16 because the idle thread does have
  *          a stack frame when compiling without optimizations. You may
  *          reduce this value to zero when compiling with optimizations.
  */
-#ifndef IDLE_THREAD_STACK_SIZE
+#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE      8
+#define PORT_IDLE_THREAD_STACK_SIZE     16
 #endif
 
 /**
@@ -98,8 +96,8 @@ struct intctx {
  *          @p chSchDoRescheduleI() can have a stack frame, expecially with
  *          compiler optimizations disabled.
  */
-#ifndef INT_REQUIRED_STACK
+#ifndef PORT_INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK          16
+#define PORT_INT_REQUIRED_STACK         16
 #endif
 
 /**

os/ports/RC/STM8/chcore.h

@@ -147,10 +147,10 @@ struct stm8_startctx {
  * @brief   Stack size for the system idle thread.
  * @details This size depends on the idle thread implementation, usually
  *          the idle thread should take no more space than those reserved
- *          by @p INT_REQUIRED_STACK.
+ *          by @p PORT_INT_REQUIRED_STACK.
  */
-#ifndef IDLE_THREAD_STACK_SIZE
+#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE      0
+#define PORT_IDLE_THREAD_STACK_SIZE     0
 #endif
 
 /**
@@ -158,8 +158,8 @@ struct stm8_startctx {
  * @details This is a safe value, you may trim it down after reading the
  *          right size in the map file.
  */
-#ifndef INT_REQUIRED_STACK
+#ifndef PORT_INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK          48
+#define PORT_INT_REQUIRED_STACK         48
 #endif
 
 /**
@@ -173,7 +173,7 @@ struct stm8_startctx {
 #define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) +                         \
                                    (sizeof(struct intctx) - 1) +            \
                                    (sizeof(struct extctx) - 1) +            \
-                                   (n) + (INT_REQUIRED_STACK))
+                                   (n) + (PORT_INT_REQUIRED_STACK))
 
 /**
  * @brief   Static working area allocation.

os/ports/RVCT/ARMCMx/chcore.h

@@ -305,7 +305,7 @@ struct context {
 #define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) +                     \
                                    sizeof(struct intctx) +              \
                                    sizeof(struct extctx) +              \
-                                   (n) + (INT_REQUIRED_STACK))
+                                   (n) + (PORT_INT_REQUIRED_STACK))
 
 /**
  * @brief   Static working area allocation.

os/ports/RVCT/ARMCMx/chcore_v6m.h

@@ -76,13 +76,13 @@ struct intctx {
  * @brief   Stack size for the system idle thread.
  * @details This size depends on the idle thread implementation, usually
  *          the idle thread should take no more space than those reserved
- *          by @p INT_REQUIRED_STACK.
+ *          by @p PORT_INT_REQUIRED_STACK.
  * @note    In this port it is set to 8 because the idle thread does have
  *          a stack frame when compiling without optimizations. You may
  *          reduce this value to zero when compiling with optimizations.
  */
-#ifndef IDLE_THREAD_STACK_SIZE
+#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE      16
+#define PORT_IDLE_THREAD_STACK_SIZE     16
 #endif
 
 /**
@@ -96,8 +96,8 @@ struct intctx {
  *          @p chSchDoRescheduleI() can have a stack frame, expecially with
  *          compiler optimizations disabled.
  */
-#ifndef INT_REQUIRED_STACK
+#ifndef PORT_INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK          16
+#define PORT_INT_REQUIRED_STACK         16
 #endif
 
 /**

os/ports/RVCT/ARMCMx/chcore_v7m.h

@@ -49,9 +49,7 @@ struct intctx {
   regarm_t      r4;
   regarm_t      r5;
   regarm_t      r6;
-#ifndef CH_CURRP_REGISTER_CACHE
   regarm_t      r7;
-#endif
   regarm_t      r8;
   regarm_t      r9;
   regarm_t      r10;
@@ -78,13 +76,13 @@ struct intctx {
  * @brief   Stack size for the system idle thread.
  * @details This size depends on the idle thread implementation, usually
  *          the idle thread should take no more space than those reserved
- *          by @p INT_REQUIRED_STACK.
+ *          by @p PORT_INT_REQUIRED_STACK.
- * @note    In this port it is set to 8 because the idle thread does have
+ * @note    In this port it is set to 16 because the idle thread does have
  *          a stack frame when compiling without optimizations. You may
  *          reduce this value to zero when compiling with optimizations.
  */
-#ifndef IDLE_THREAD_STACK_SIZE
+#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE      8
+#define PORT_IDLE_THREAD_STACK_SIZE     16
 #endif
 
 /**
@@ -98,8 +96,8 @@ struct intctx {
  *          @p chSchDoRescheduleI() can have a stack frame, expecially with
  *          compiler optimizations disabled.
  */
-#ifndef INT_REQUIRED_STACK
+#ifndef PORT_INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK          16
+#define PORT_INT_REQUIRED_STACK         16
 #endif
 
 /**

os/ports/cosmic/STM8/chcore.h

@@ -145,10 +145,10 @@ struct stm8_startctx {
  * @brief   Stack size for the system idle thread.
  * @details This size depends on the idle thread implementation, usually
  *          the idle thread should take no more space than those reserved
- *          by @p INT_REQUIRED_STACK.
+ *          by @p PORT_INT_REQUIRED_STACK.
  */
-#ifndef IDLE_THREAD_STACK_SIZE
+#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE      0
+#define PORT_IDLE_THREAD_STACK_SIZE     0
 #endif
 
 /**
@@ -156,8 +156,8 @@ struct stm8_startctx {
  * @details This is a safe value, you may trim it down after reading the
  *          right size in the map file.
  */
-#ifndef INT_REQUIRED_STACK
+#ifndef PORT_INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK          48
+#define PORT_INT_REQUIRED_STACK         48
 #endif
 
 /**
@@ -171,7 +171,7 @@ struct stm8_startctx {
 #define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) +                         \
                                    (sizeof(struct intctx) - 1) +            \
                                    (sizeof(struct extctx) - 1) +            \
-                                   (n) + (INT_REQUIRED_STACK))
+                                   (n) + (PORT_INT_REQUIRED_STACK))
 
 /**
  * @brief   Static working area allocation.

test/coverage/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               FALSE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/LPC11xx/IRQ_STORM/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/LPC13xx/IRQ_STORM/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/STM32/ADC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/STM32/CAN/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/STM32/GPT/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/STM32/IRQ_STORM/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/STM32/PWM-ICU/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/STM32/SDIO/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/STM32/SPI/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/STM32/UART/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/STM32/USB_CDC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/STM32/USB_MSC/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               TRUE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/

testhal/STM8S/SPI/demo/chconf.h

@@ -123,26 +123,6 @@
 #define CH_OPTIMIZE_SPEED               FALSE
 #endif
 
-/**
- * @brief   Exotic optimization.
- * @details If defined then a CPU register is used as storage for the global
- *          @p currp variable. Caching this variable in a register greatly
- *          improves both space and time OS efficiency. A side effect is that
- *          one less register has to be saved during the context switch
- *          resulting in lower RAM usage and faster context switch.
- *
- * @note    This option is only usable with the GCC compiler and is only useful
- *          on processors with many registers like ARM cores.
- * @note    If this option is enabled then ALL the libraries linked to the
- *          ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
- *          -ffixed-@<reg@>.
- * @note    This option must be enabled in the Makefile, it is listed here for
- *          documentation only.
- */
-#if defined(__DOXYGEN__)
-#define CH_CURRP_REGISTER_CACHE         "reg"
-#endif
-
 /*===========================================================================*/
 /* Subsystem options.                                                        */
 /*===========================================================================*/