upload initial port

4 files changed, 669 insertions, 0 deletions

diff --git a/ChibiOS_20.3.2/os/common/ports/templates/chcore.c b/ChibiOS_20.3.2/os/common/ports/templates/chcore.c
new file mode 100644
index 0000000..217e49b
--- /dev/null
+++ b/ChibiOS_20.3.2/os/common/ports/templates/chcore.c
@@ -0,0 +1,75 @@
+/*

+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.

+

+    This file is part of ChibiOS.

+

+    ChibiOS is free software; you can redistribute it and/or modify

+    it under the terms of the GNU General Public License as published by

+    the Free Software Foundation; either version 3 of the License, or

+    (at your option) any later version.

+

+    ChibiOS is distributed in the hope that it will be useful,

+    but WITHOUT ANY WARRANTY; without even the implied warranty of

+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

+    GNU General Public License for more details.

+

+    You should have received a copy of the GNU General Public License

+    along with this program.  If not, see <http://www.gnu.org/licenses/>.

+*/

+

+/**

+ * @file    templates/chcore.c

+ * @brief   Port related template code.

+ *

+ * @addtogroup port_core

+ * @details Non portable code templates.

+ * @{

+ */

+

+#include "ch.h"

+

+/*===========================================================================*/

+/* Module local definitions.                                                 */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Module exported variables.                                                */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Module local types.                                                       */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Module local variables.                                                   */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Module local functions.                                                   */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Module exported functions.                                                */

+/*===========================================================================*/

+

+/**

+ * @brief   Port-related initialization code.

+ * @note    This function is usually empty.

+ */

+void _port_init(void) {

+}

+

+/**

+ * @brief   Performs a context switch between two threads.

+ * @details This is the most critical code in any port, this function

+ *          is responsible for the context switch between 2 threads.

+ * @note    The implementation of this code affects <b>directly</b> the context

+ *          switch performance so optimize here as much as you can.

+ *

+ * @param[in] ntp       the thread to be switched in

+ * @param[in] otp       the thread to be switched out

+ */

+void _port_switch(thread_t *ntp, thread_t *otp) {

+}

+

+/** @} */

diff --git a/ChibiOS_20.3.2/os/common/ports/templates/chcore.dox b/ChibiOS_20.3.2/os/common/ports/templates/chcore.dox
new file mode 100644
index 0000000..16a4da6
--- /dev/null
+++ b/ChibiOS_20.3.2/os/common/ports/templates/chcore.dox
@@ -0,0 +1,33 @@
+/*

+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.

+

+    This file is part of ChibiOS.

+

+    ChibiOS is free software; you can redistribute it and/or modify

+    it under the terms of the GNU General Public License as published by

+    the Free Software Foundation; either version 3 of the License, or

+    (at your option) any later version.

+

+    ChibiOS is distributed in the hope that it will be useful,

+    but WITHOUT ANY WARRANTY; without even the implied warranty of

+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

+    GNU General Public License for more details.

+

+    You should have received a copy of the GNU General Public License

+    along with this program.  If not, see <http://www.gnu.org/licenses/>.

+*/

+/**

+ * @defgroup port Port Layer

+ * @details The Port Layer is the link between the portable RT and NIL kernels

+ *          and the underlying CPU architecture. This is a port template not

+ *          related to any specific architecture.

+ */

+

+/**

+ * @defgroup port_core Port Core

+ * @ingroup port

+ */

+/**

+ * @defgroup port_types Port Types

+ * @ingroup port

+ */

diff --git a/ChibiOS_20.3.2/os/common/ports/templates/chcore.h b/ChibiOS_20.3.2/os/common/ports/templates/chcore.h
new file mode 100644
index 0000000..bcc8db4
--- /dev/null
+++ b/ChibiOS_20.3.2/os/common/ports/templates/chcore.h
@@ -0,0 +1,460 @@
+/*

+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.

+

+    This file is part of ChibiOS.

+

+    ChibiOS is free software; you can redistribute it and/or modify

+    it under the terms of the GNU General Public License as published by

+    the Free Software Foundation; either version 3 of the License, or

+    (at your option) any later version.

+

+    ChibiOS is distributed in the hope that it will be useful,

+    but WITHOUT ANY WARRANTY; without even the implied warranty of

+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

+    GNU General Public License for more details.

+

+    You should have received a copy of the GNU General Public License

+    along with this program.  If not, see <http://www.gnu.org/licenses/>.

+*/

+

+/**

+ * @file    templates/chcore.h

+ * @brief   Port related template macros and structures.

+ * @details This file is a template of the system driver macros provided by

+ *          a port.

+ *

+ * @addtogroup port_core

+ * @{

+ */

+

+#ifndef CHCORE_H

+#define CHCORE_H

+

+/*===========================================================================*/

+/* Module constants.                                                         */

+/*===========================================================================*/

+

+/**

+ * @name    Port Capabilities and Constants

+ * @{

+ */

+/**

+ * @brief   This port supports a realtime counter.

+ */

+#define PORT_SUPPORTS_RT                FALSE

+

+/**

+ * @brief   Natural alignment constant.

+ * @note    It is the minimum alignment for pointer-size variables.

+ */

+#define PORT_NATURAL_ALIGN              sizeof (void *)

+

+/**

+ * @brief   Stack alignment constant.

+ * @note    It is the alignment required for the stack pointer.

+ */

+#define PORT_STACK_ALIGN                sizeof (stkalign_t)

+

+/**

+ * @brief   Working Areas alignment constant.

+ * @note    It is the alignment to be enforced for thread working areas.

+ */

+#define PORT_WORKING_AREA_ALIGN         sizeof (stkalign_t)

+/** @} */

+

+/**

+ * @name    Architecture and Compiler

+ * @{

+ */

+/**

+ * @brief   Macro defining an XXX architecture.

+ */

+#define PORT_ARCHITECTURE_XXX

+

+/**

+ * @brief   Macro defining the specific XXX architecture.

+ */

+#define PORT_ARCHITECTURE_XXX_YYY

+

+/**

+ * @brief   Name of the implemented architecture.

+ */

+#define PORT_ARCHITECTURE_NAME          "XXX Architecture"

+

+/**

+ * @brief   Compiler name and version.

+ */

+#if defined(__GNUC__) || defined(__DOXYGEN__)

+#define PORT_COMPILER_NAME              "GCC " __VERSION__

+

+#else

+#error "unsupported compiler"

+#endif

+

+/**

+ * @brief   Port-specific information string.

+ */

+#define PORT_INFO                       "no info"

+/** @} */

+

+/*===========================================================================*/

+/* Module pre-compile time settings.                                         */

+/*===========================================================================*/

+

+/**

+ * @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 PORT_INT_REQUIRED_STACK.

+ */

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

+#define PORT_IDLE_THREAD_STACK_SIZE     32

+#endif

+

+/**

+ * @brief   Per-thread stack overhead for interrupts servicing.

+ * @details This constant is used in the calculation of the correct working

+ *          area size.

+ */

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

+#define PORT_INT_REQUIRED_STACK         256

+#endif

+

+/**

+ * @brief   Enables an alternative timer implementation.

+ * @details Usually the port uses a timer interface defined in the file

+ *          @p chcore_timer.h, if this option is enabled then the file

+ *          @p chcore_timer_alt.h is included instead.

+ */

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

+#define PORT_USE_ALT_TIMER              FALSE

+#endif

+

+/**

+ * @brief   Enables a "wait for interrupt" instruction in the idle loop.

+ */

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

+#define PORT_XXX_ENABLE_WFI_IDLE      FALSE

+#endif

+

+/*===========================================================================*/

+/* Derived constants and error checks.                                       */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Module data structures and types.                                         */

+/*===========================================================================*/

+

+/* The following code is not processed when the file is included from an

+   asm module.*/

+#if !defined(_FROM_ASM_)

+

+/**

+ * @brief   Type of stack and memory alignment enforcement.

+ * @note    In this architecture the stack alignment is enforced to 64 bits.

+ */

+typedef uint64_t stkalign_t;

+

+/**

+ * @brief   Interrupt saved context.

+ * @details This structure represents the stack frame saved during a

+ *          preemption-capable interrupt handler.

+ * @note    R2 and R13 are not saved because those are assumed to be immutable

+ *          during the system life cycle.

+ */

+struct port_extctx {

+};

+

+/**

+ * @brief   System saved context.

+ * @details This structure represents the inner stack frame during a context

+ *          switching.

+ * @note    R2 and R13 are not saved because those are assumed to be immutable

+ *          during the system life cycle.

+ * @note    LR is stored in the caller context so it is not present in this

+ *          structure.

+ */

+struct port_intctx {

+};

+

+/**

+ * @brief   Platform dependent part of the @p thread_t structure.

+ * @details This structure usually contains just the saved stack pointer

+ *          defined as a pointer to a @p port_intctx structure.

+ */

+struct port_context {

+  struct port_intctx *sp;

+};

+

+#endif /* !defined(_FROM_ASM_) */

+

+/*===========================================================================*/

+/* Module macros.                                                            */

+/*===========================================================================*/

+

+/**

+ * @brief   Platform dependent part of the @p chThdCreateI() API.

+ * @details This code usually setup the context switching frame represented

+ *          by an @p port_intctx structure.

+ */

+#define PORT_SETUP_CONTEXT(tp, wbase, wtop, pf, arg) {                      \

+}

+

+/**

+ * @brief   Computes the thread working area global size.

+ * @note    There is no need to perform alignments in this macro.

+ */

+#define PORT_WA_SIZE(n) (sizeof(struct port_intctx) +                       \

+                         sizeof(struct port_extctx) +                       \

+                         ((size_t)(n)) + ((size_t)(PORT_INT_REQUIRED_STACK)))

+

+/**

+ * @brief   Static working area allocation.

+ * @details This macro is used to allocate a static thread working area

+ *          aligned as both position and size.

+ *

+ * @param[in] s         the name to be assigned to the stack array

+ * @param[in] n         the stack size to be assigned to the thread

+ */

+#define PORT_WORKING_AREA(s, n)                                             \

+  stkalign_t s[THD_WORKING_AREA_SIZE(n) / sizeof (stkalign_t)]

+

+/**

+ * @brief   Priority level verification macro.

+ */

+#define PORT_IRQ_IS_VALID_PRIORITY(n) false

+

+/**

+ * @brief   Priority level verification macro.

+ */

+#define PORT_IRQ_IS_VALID_KERNEL_PRIORITY(n) false

+

+/**

+ * @brief   IRQ prologue code.

+ * @details This macro must be inserted at the start of all IRQ handlers

+ *          enabled to invoke system APIs.

+ */

+#define PORT_IRQ_PROLOGUE()

+

+/**

+ * @brief   IRQ epilogue code.

+ * @details This macro must be inserted at the end of all IRQ handlers

+ *          enabled to invoke system APIs.

+ */

+#define PORT_IRQ_EPILOGUE()

+

+/**

+ * @brief   IRQ handler function declaration.

+ * @note    @p id can be a function name or a vector number depending on the

+ *          port implementation.

+ */

+#ifdef __cplusplus

+#define PORT_IRQ_HANDLER(id) extern "C" void id(void)

+#else

+#define PORT_IRQ_HANDLER(id) void id(void)

+#endif

+

+/**

+ * @brief   Fast IRQ handler function declaration.

+ * @note    @p id can be a function name or a vector number depending on the

+ *          port implementation.

+ */

+#ifdef __cplusplus

+#define PORT_FAST_IRQ_HANDLER(id) extern "C" void id(void)

+#else

+#define PORT_FAST_IRQ_HANDLER(id) void id(void)

+#endif

+

+/**

+ * @brief   Performs a context switch between two threads.

+ * @details This is the most critical code in any port, this function

+ *          is responsible for the context switch between 2 threads.

+ * @note    The implementation of this code affects <b>directly</b> the context

+ *          switch performance so optimize here as much as you can.

+ *

+ * @param[in] ntp       the thread to be switched in

+ * @param[in] otp       the thread to be switched out

+ */

+#if !CH_DBG_ENABLE_STACK_CHECK || defined(__DOXYGEN__)

+#define port_switch(ntp, otp) _port_switch(ntp, otp)

+#else

+#define port_switch(ntp, otp) {                                             \

+  register struct port_intctx *sp asm ("%r1");                              \

+  if ((stkalign_t *)(sp - 1) < otp->wabase)                                 \

+    chSysHalt("stack overflow");                                            \

+  _port_switch(ntp, otp);                                                   \

+}

+#endif

+

+/*===========================================================================*/

+/* External declarations.                                                    */

+/*===========================================================================*/

+

+/* The following code is not processed when the file is included from an

+   asm module.*/

+#if !defined(_FROM_ASM_)

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+  void _port_init(void);

+  void _port_switch(thread_t *ntp, thread_t *otp);

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* !defined(_FROM_ASM_) */

+

+/*===========================================================================*/

+/* Module inline functions.                                                  */

+/*===========================================================================*/

+

+/* The following code is not processed when the file is included from an

+   asm module.*/

+#if !defined(_FROM_ASM_)

+

+/**

+ * @brief   Returns a word encoding the current interrupts status.

+ *

+ * @return              The interrupts status.

+ */

+static inline syssts_t port_get_irq_status(void) {

+

+  return 0;

+}

+

+/**

+ * @brief   Checks the interrupt status.

+ *

+ * @param[in] sts       the interrupt status word

+ *

+ * @return              The interrupt status.

+ * @retval false        the word specified a disabled interrupts status.

+ * @retval true         the word specified an enabled interrupts status.

+ */

+static inline bool port_irq_enabled(syssts_t sts) {

+

+  (void)sts;

+

+  return false;

+}

+

+/**

+ * @brief   Determines the current execution context.

+ *

+ * @return              The execution context.

+ * @retval false        not running in ISR mode.

+ * @retval true         running in ISR mode.

+ */

+static inline bool port_is_isr_context(void) {

+

+  return false;

+}

+

+/**

+ * @brief   Kernel-lock action.

+ * @details Usually this function just disables interrupts but may perform more

+ *          actions.

+ */

+static inline void port_lock(void) {

+

+}

+

+/**

+ * @brief   Kernel-unlock action.

+ * @details Usually this function just enables interrupts but may perform more

+ *          actions.

+ */

+static inline void port_unlock(void) {

+

+}

+

+/**

+ * @brief   Kernel-lock action from an interrupt handler.

+ * @details This function is invoked before invoking I-class APIs from

+ *          interrupt handlers. The implementation is architecture dependent,

+ *          in its simplest form it is void.

+ */

+static inline void port_lock_from_isr(void) {

+

+}

+

+/**

+ * @brief   Kernel-unlock action from an interrupt handler.

+ * @details This function is invoked after invoking I-class APIs from interrupt

+ *          handlers. The implementation is architecture dependent, in its

+ *          simplest form it is void.

+ */

+static inline void port_unlock_from_isr(void) {

+

+}

+

+/**

+ * @brief   Disables all the interrupt sources.

+ * @note    Of course non-maskable interrupt sources are not included.

+ */

+static inline void port_disable(void) {

+

+}

+

+/**

+ * @brief   Disables the interrupt sources below kernel-level priority.

+ * @note    Interrupt sources above kernel level remains enabled.

+ */

+static inline void port_suspend(void) {

+

+}

+

+/**

+ * @brief   Enables all the interrupt sources.

+ */

+static inline void port_enable(void) {

+

+}

+

+/**

+ * @brief   Enters an architecture-dependent IRQ-waiting mode.

+ * @details The function is meant to return when an interrupt becomes pending.

+ *          The simplest implementation is an empty function or macro but this

+ *          would not take advantage of architecture-specific power saving

+ *          modes.

+ */

+static inline void port_wait_for_interrupt(void) {

+

+#if PORT_XXX_ENABLE_WFI_IDLE

+#endif

+}

+

+/**

+ * @brief   Returns the current value of the realtime counter.

+ *

+ * @return              The realtime counter value.

+ */

+static inline rtcnt_t port_rt_get_counter_value(void) {

+

+  return 0;

+}

+

+#endif /* !defined(_FROM_ASM_) */

+

+/*===========================================================================*/

+/* Module late inclusions.                                                   */

+/*===========================================================================*/

+

+/* The following code is not processed when the file is included from an

+   asm module.*/

+#if !defined(_FROM_ASM_)

+

+#if CH_CFG_ST_TIMEDELTA > 0

+#if !PORT_USE_ALT_TIMER

+#include "chcore_timer.h"

+#else /* PORT_USE_ALT_TIMER */

+#include "chcore_timer_alt.h"

+#endif /* PORT_USE_ALT_TIMER */

+#endif /* CH_CFG_ST_TIMEDELTA > 0 */

+

+#endif /* !defined(_FROM_ASM_) */

+

+#endif /* CHCORE_H */

+

+/** @} */

diff --git a/ChibiOS_20.3.2/os/common/ports/templates/chtypes.h b/ChibiOS_20.3.2/os/common/ports/templates/chtypes.h
new file mode 100644
index 0000000..fe30eff
--- /dev/null
+++ b/ChibiOS_20.3.2/os/common/ports/templates/chtypes.h
@@ -0,0 +1,101 @@
+/*

+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio.

+

+    This file is part of ChibiOS.

+

+    ChibiOS is free software; you can redistribute it and/or modify

+    it under the terms of the GNU General Public License as published by

+    the Free Software Foundation; either version 3 of the License, or

+    (at your option) any later version.

+

+    ChibiOS is distributed in the hope that it will be useful,

+    but WITHOUT ANY WARRANTY; without even the implied warranty of

+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

+    GNU General Public License for more details.

+

+    You should have received a copy of the GNU General Public License

+    along with this program.  If not, see <http://www.gnu.org/licenses/>.

+*/

+

+/**

+ * @file    templates/chtypes.h

+ * @brief   System types template.

+ *

+ * @addtogroup port_types

+ * @details The types defined in this file may change depending on the target

+ *          architecture. You may also try to optimize the size of the various

+ *          types in order to privilege size or performance, be careful in

+ *          doing so.

+ * @{

+ */

+

+#ifndef CHTYPES_H

+#define CHTYPES_H

+

+#include <stddef.h>

+#include <stdint.h>

+#include <stdbool.h>

+

+/**

+ * @name    Kernel types

+ * @{

+ */

+typedef uint32_t            rtcnt_t;        /**< Realtime counter.          */

+typedef uint64_t            rttime_t;       /**< Realtime accumulator.      */

+typedef uint32_t            syssts_t;       /**< System status word.        */

+typedef uint8_t             tmode_t;        /**< Thread flags.              */

+typedef uint8_t             tstate_t;       /**< Thread state.              */

+typedef uint8_t             trefs_t;        /**< Thread references counter. */

+typedef uint8_t             tslices_t;      /**< Thread time slices counter.*/

+typedef uint32_t            tprio_t;        /**< Thread priority.           */

+typedef int32_t             msg_t;          /**< Inter-thread message.      */

+typedef int32_t             eventid_t;      /**< Numeric event identifier.  */

+typedef uint32_t            eventmask_t;    /**< Mask of event identifiers. */

+typedef uint32_t            eventflags_t;   /**< Mask of event flags.       */

+typedef int32_t             cnt_t;          /**< Generic signed counter.    */

+typedef uint32_t            ucnt_t;         /**< Generic unsigned counter.  */

+/** @} */

+

+/**

+ * @brief   ROM constant modifier.

+ * @note    It is set to use the "const" keyword in this port.

+ */

+#define ROMCONST            const

+

+/**

+ * @brief   Makes functions not inlineable.

+ * @note    If the compiler does not support such attribute then the

+ *          realtime counter precision could be degraded.

+ */

+#define NOINLINE            __attribute__((noinline))

+

+/**

+ * @brief   Optimized thread function declaration macro.

+ */

+#define PORT_THD_FUNCTION(tname, arg) void tname(void *arg)

+

+/**

+ * @brief   Packed variable specifier.

+ */

+#define PACKED_VAR          __attribute__((packed))

+

+/**

+ * @brief   Memory alignment enforcement for variables.

+ */

+#define ALIGNED_VAR(n)      __attribute__((aligned(n)))

+

+/**

+ * @brief   Size of a pointer.

+ * @note    To be used where the sizeof operator cannot be used, preprocessor

+ *          expressions for example.

+ */

+#define SIZEOF_PTR          4

+

+/**

+ * @brief   True if alignment is low-high in current architecture.

+ */

+#define REVERSE_ORDER       1

+

+#endif /* CHTYPES_H */

+

+/** @} */