upload initial port

4 files changed, 713 insertions, 0 deletions

diff --git a/ChibiOS_20.3.2/os/common/ports/SIMIA32/chcore.c b/ChibiOS_20.3.2/os/common/ports/SIMIA32/chcore.c
new file mode 100644
index 0000000..ef1a475
--- /dev/null
+++ b/ChibiOS_20.3.2/os/common/ports/SIMIA32/chcore.c
@@ -0,0 +1,131 @@
+/*

+    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    SIMIA32/chcore.c

+ * @brief   Simulator on IA32 port code.

+ *

+ * @addtogroup SIMIA32_GCC_CORE

+ * @{

+ */

+

+#if defined(WIN32)

+#include <windows.h>

+#else

+#include <sys/time.h>

+#endif

+

+#include "ch.h"

+

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

+/* Module local definitions.                                                 */

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

+

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

+/* Module exported variables.                                                */

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

+

+bool port_isr_context_flag;

+syssts_t port_irq_sts;

+

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

+/* Module local types.                                                       */

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

+

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

+/* Module local variables.                                                   */

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

+

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

+/* Module local functions.                                                   */

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

+

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

+/* Module exported functions.                                                */

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

+

+/**

+ * Performs a context switch between two threads.

+ * @param otp the thread to be switched out

+ * @param ntp the thread to be switched in

+ */

+__attribute__((used))

+static void __dummy(thread_t *ntp, thread_t *otp) {

+  (void)ntp; (void)otp;

+

+  asm volatile (

+#if defined(WIN32)

+                ".globl @port_switch@8                          \n\t"

+                "@port_switch@8:"

+#elif defined(__APPLE__)

+                ".globl _port_switch                            \n\t"

+                "_port_switch:"

+#else

+                ".globl port_switch                             \n\t"

+                "port_switch:"

+#endif

+                "push    %ebp                                   \n\t"

+                "push    %esi                                   \n\t"

+                "push    %edi                                   \n\t"

+                "push    %ebx                                   \n\t"

+                "movl    %esp, 12(%edx)                         \n\t"

+                "movl    12(%ecx), %esp                         \n\t"

+                "pop     %ebx                                   \n\t"

+                "pop     %edi                                   \n\t"

+                "pop     %esi                                   \n\t"

+                "pop     %ebp                                   \n\t"

+                "ret");

+}

+

+/**

+ * @brief   Start a thread by invoking its work function.

+ * @details If the work function returns @p chThdExit() is automatically

+ *          invoked.

+ */

+__attribute__((cdecl, noreturn))

+void _port_thread_start(msg_t (*pf)(void *), void *p) {

+

+  chSysUnlock();

+  pf(p);

+  chThdExit(0);

+  while(1);

+}

+

+

+/**

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

+ *

+ * @return              The realtime counter value.

+ */

+rtcnt_t port_rt_get_counter_value(void) {

+#if defined(WIN32)

+  LARGE_INTEGER n;

+

+  QueryPerformanceCounter(&n);

+

+  return (rtcnt_t)(n.QuadPart / 1000LL);

+#else

+  struct timeval tv;

+

+  gettimeofday(&tv, NULL);

+  return ((rtcnt_t)tv.tv_sec * (rtcnt_t)1000000) + (rtcnt_t)tv.tv_usec;

+#endif

+}

+

+/** @} */

diff --git a/ChibiOS_20.3.2/os/common/ports/SIMIA32/chcore.h b/ChibiOS_20.3.2/os/common/ports/SIMIA32/chcore.h
new file mode 100644
index 0000000..e804193
--- /dev/null
+++ b/ChibiOS_20.3.2/os/common/ports/SIMIA32/chcore.h
@@ -0,0 +1,461 @@
+/*

+    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    SIMIA32/chcore.h

+ * @brief   Simulator on IA32 port macros and structures.

+ *

+ * @addtogroup SIMIA32_GCC_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                TRUE

+

+/**

+ * @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

+ * @{

+ */

+/**

+ * Macro defining the a simulated architecture into x86.

+ */

+#define PORT_ARCHITECTURE_SIMIA32

+

+/**

+ * Name of the implemented architecture.

+ */

+#define PORT_ARCHITECTURE_NAME          "Simulator"

+

+/**

+ * @brief   Name of the architecture variant (optional).

+ */

+#define PORT_CORE_VARIANT_NAME          "x86 (integer only)"

+

+/**

+ * @brief   Name of the compiler supported by this port.

+ */

+#define PORT_COMPILER_NAME              "GCC " __VERSION__

+

+/**

+ * @brief   Port-specific information string.

+ */

+#define PORT_INFO                       "No preemption"

+/** @} */

+

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

+/* 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     256

+#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         16384

+#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

+

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

+/* Derived constants and error checks.                                       */

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

+

+#if CH_DBG_ENABLE_STACK_CHECK

+#error "option CH_DBG_ENABLE_STACK_CHECK not supported by this port"

+#endif

+

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

+/* 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   16 bytes stack and memory alignment enforcement.

+ */

+typedef struct {

+  uint8_t a[16];

+} stkalign_t __attribute__((aligned(16)));

+

+/**

+ * @brief   Type of a generic x86 register.

+ */

+typedef void *regx86;

+

+/**

+ * @brief   Interrupt saved context.

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

+ *          preemption-capable interrupt handler.

+ */

+struct port_extctx {

+};

+

+/**

+ * @brief   System saved context.

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

+ *          switch.

+ */

+struct port_intctx {

+  regx86  ebx;

+  regx86  edi;

+  regx86  esi;

+  regx86  ebp;

+  regx86  eip;

+};

+

+/**

+ * @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.                                                            */

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

+

+#define APUSH(p, a) do {                                                    \

+  (p) -= sizeof(void *);                                                    \

+  *(void **)(p) = (void*)(a);                                               \

+} while (false)

+

+/* Darwin requires the stack to be aligned to a 16-byte boundary at

+ * the time of a call instruction (in case the called function needs

+ * to save MMX registers). This aligns to 'mod' module 16, so that we'll end

+ * up with the right alignment after pushing the args. */

+#define AALIGN(p, mask, mod)                                                \

+  p = (void *)((((uint32_t)(p) - (uint32_t)(mod)) & ~(uint32_t)(mask)) + (uint32_t)(mod)) \

+

+/**

+ * @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) {                      \

+  /*lint -save -e611 -e9033 -e9074 -e9087 [10.8, 11.1, 11.3] Valid casts.*/ \

+  uint8_t *esp = (uint8_t *)wtop;                                           \

+  APUSH(esp, 0);                                                            \

+  uint8_t *savebp = esp;                                                    \

+  AALIGN(esp, 15, 8);                                                       \

+  APUSH(esp, arg);                                                          \

+  APUSH(esp, pf);                                                           \

+  APUSH(esp, 0);                                                            \

+  esp -= sizeof(struct port_intctx);                                        \

+  ((struct port_intctx *)esp)->eip = (void *)_port_thread_start;            \

+  ((struct port_intctx *)esp)->ebx = NULL;                                  \

+  ((struct port_intctx *)esp)->edi = NULL;                                  \

+  ((struct port_intctx *)esp)->esi = NULL;                                  \

+  ((struct port_intctx *)esp)->ebp = (void *)savebp;                        \

+  (tp)->ctx.sp = (struct port_intctx *)esp;                                 \

+  /*lint -restore*/                                                         \

+}

+

+ /**

+ * @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 (void *) * 4U) +                           \

+                         sizeof (struct port_intctx) +                      \

+                         ((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   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() {                                               \

+  port_isr_context_flag = true;                                             \

+}

+

+/**

+ * @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() {                                               \

+  port_isr_context_flag = false;                                            \

+}

+

+/**

+ * @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

+

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

+/* External declarations.                                                    */

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

+

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

+   asm module.*/

+#if !defined(_FROM_ASM_)

+

+extern bool port_isr_context_flag;

+extern syssts_t port_irq_sts;

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+  /*lint -save -e950 [Dir-2.1] Non-ANSI keywords are fine in the port layer.*/

+  __attribute__((fastcall)) void port_switch(thread_t *ntp, thread_t *otp);

+  __attribute__((cdecl, noreturn)) void _port_thread_start(msg_t (*pf)(void *p),

+                                                           void *p);

+  /*lint -restore*/

+  rtcnt_t port_rt_get_counter_value(void);

+  void _sim_check_for_interrupts(void);

+#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   Port-related initialization code.

+ */

+static inline void port_init(void) {

+

+  port_irq_sts = (syssts_t)0;

+  port_isr_context_flag = false;

+}

+

+/**

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

+ *

+ * @return              The interrupts status.

+ */

+static inline syssts_t port_get_irq_status(void) {

+

+  return port_irq_sts;

+}

+

+/**

+ * @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) {

+

+  return sts == (syssts_t)0;

+}

+

+/**

+ * @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 port_isr_context_flag;

+}

+

+/**

+ * @brief   Kernel-lock action.

+ * @details In this port this function disables interrupts globally.

+ */

+static inline void port_lock(void) {

+

+  port_irq_sts = (syssts_t)1;

+}

+

+/**

+ * @brief   Kernel-unlock action.

+ * @details In this port this function enables interrupts globally.

+ */

+static inline void port_unlock(void) {

+

+  port_irq_sts = (syssts_t)0;

+}

+

+/**

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

+ * @details In this port this function disables interrupts globally.

+ * @note    Same as @p port_lock() in this port.

+ */

+static inline void port_lock_from_isr(void) {

+

+  port_irq_sts = (syssts_t)1;

+}

+

+/**

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

+ * @details In this port this function enables interrupts globally.

+ * @note    Same as @p port_lock() in this port.

+ */

+static inline void port_unlock_from_isr(void) {

+

+  port_irq_sts = (syssts_t)0;

+}

+

+/**

+ * @brief   Disables all the interrupt sources.

+ */

+static inline void port_disable(void) {

+

+  port_irq_sts = (syssts_t)1;

+}

+

+/**

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

+ */

+static inline void port_suspend(void) {

+

+  port_irq_sts = (syssts_t)1;

+}

+

+/**

+ * @brief   Enables all the interrupt sources.

+ */

+static inline void port_enable(void) {

+

+  port_irq_sts = (syssts_t)0;

+}

+

+/**

+ * @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.

+ * @note    Implemented as an inlined @p WFI instruction.

+ */

+static inline void port_wait_for_interrupt(void) {

+

+  _sim_check_for_interrupts();

+}

+

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

+

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

+/* Module late inclusions.                                                   */

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

+

+#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/SIMIA32/compilers/GCC/chtypes.h b/ChibiOS_20.3.2/os/common/ports/SIMIA32/compilers/GCC/chtypes.h
new file mode 100644
index 0000000..6ed1f04
--- /dev/null
+++ b/ChibiOS_20.3.2/os/common/ports/SIMIA32/compilers/GCC/chtypes.h
@@ -0,0 +1,109 @@
+/*

+    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    SIMIA32/compilers/GCC/chtypes.h

+ * @brief   Simulator on IA32 port system types.

+ *

+ * @addtogroup SIMIA32_GCC_CORE

+ * @{

+ */

+

+#ifndef CHTYPES_H

+#define CHTYPES_H

+

+#include <stddef.h>

+#include <stdint.h>

+#include <stdbool.h>

+

+/**

+ * @name    Derived generic types

+ * @{

+ */

+typedef volatile int8_t     vint8_t;        /**< Volatile signed 8 bits.    */

+typedef volatile uint8_t    vuint8_t;       /**< Volatile unsigned 8 bits.  */

+typedef volatile int16_t    vint16_t;       /**< Volatile signed 16 bits.   */

+typedef volatile uint16_t   vuint16_t;      /**< Volatile unsigned 16 bits. */

+typedef volatile int32_t    vint32_t;       /**< Volatile signed 32 bits.   */

+typedef volatile uint32_t   vuint32_t;      /**< Volatile unsigned 32 bits. */

+/** @} */

+

+/**

+ * @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 some

+ *          time-dependent services 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 */

+

+/** @} */

diff --git a/ChibiOS_20.3.2/os/common/ports/SIMIA32/compilers/GCC/port.mk b/ChibiOS_20.3.2/os/common/ports/SIMIA32/compilers/GCC/port.mk
new file mode 100644
index 0000000..f3657ee
--- /dev/null
+++ b/ChibiOS_20.3.2/os/common/ports/SIMIA32/compilers/GCC/port.mk
@@ -0,0 +1,12 @@
+# List of the ChibiOS/RT SIMIA32 port files.

+PORTSRC = ${CHIBIOS}/os/common/ports/SIMIA32/chcore.c

+

+PORTASM = 

+

+PORTINC = ${CHIBIOS}/os/common/ports/SIMIA32/compilers/GCC \

+          ${CHIBIOS}/os/common/ports/SIMIA32

+

+# Shared variables

+ALLXASMSRC += $(PORTASM)

+ALLCSRC    += $(PORTSRC)

+ALLINC     += $(PORTINC)