git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7464 35acf78f-673a-0410-8e92-d51de3d6d3f4

4 files changed, 426 insertions, 0 deletions

diff --git a/os/rt/ports/SIMIA32/GCC/chcore.c b/os/rt/ports/SIMIA32/GCC/chcore.c
new file mode 100644
index 000000000..24b38fa8f
--- /dev/null
+++ b/os/rt/ports/SIMIA32/GCC/chcore.c
@@ -0,0 +1,93 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,

+                 2011,2012,2013 Giovanni Di Sirio.

+

+    This file is part of ChibiOS/RT.

+

+    ChibiOS/RT 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/RT 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/>.

+

+                                      ---

+

+    A special exception to the GPL can be applied should you wish to distribute

+    a combined work that includes ChibiOS/RT, without being obliged to provide

+    the source code for any proprietary components. See the file exception.txt

+    for full details of how and when the exception can be applied.

+*/

+

+/**

+ * @addtogroup SIMIA32_CORE

+ * @{

+ */

+

+#include <stdlib.h>

+

+#include "ch.h"

+#include "hal.h"

+

+/**

+ * 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 *ntp, Thread *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");

+}

+

+/**

+ * Halts the system. In this implementation it just exits the simulation.

+ */

+__attribute__((fastcall))

+void port_halt(void) {

+

+  exit(2);

+}

+

+/**

+ * @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();

+  chThdExit(pf(p));

+  while(1);

+}

+

+/** @} */

diff --git a/os/rt/ports/SIMIA32/GCC/chcore.h b/os/rt/ports/SIMIA32/GCC/chcore.h
new file mode 100644
index 000000000..06e28b35f
--- /dev/null
+++ b/os/rt/ports/SIMIA32/GCC/chcore.h
@@ -0,0 +1,250 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,

+                 2011,2012,2013 Giovanni Di Sirio.

+

+    This file is part of ChibiOS/RT.

+

+    ChibiOS/RT 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/RT 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/>.

+

+                                      ---

+

+    A special exception to the GPL can be applied should you wish to distribute

+    a combined work that includes ChibiOS/RT, without being obliged to provide

+    the source code for any proprietary components. See the file exception.txt

+    for full details of how and when the exception can be applied.

+*/

+

+/**

+ * @addtogroup SIMIA32_CORE

+ * @{

+ */

+

+#ifndef _CHCORE_H_

+#define _CHCORE_H_

+

+#if CH_DBG_ENABLE_STACK_CHECK

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

+#endif

+

+/**

+ * Macro defining the a simulated architecture into x86.

+ */

+#define CH_ARCHITECTURE_SIMIA32

+

+/**

+ * Name of the implemented architecture.

+ */

+#define CH_ARCHITECTURE_NAME            "Simulator"

+

+/**

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

+ */

+#define CH_CORE_VARIANT_NAME            "x86 (integer only)"

+

+/**

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

+ */

+#define CH_COMPILER_NAME                "GCC " __VERSION__

+

+/**

+ * @brief   Port-specific information string.

+ */

+#define CH_PORT_INFO                    "No preemption"

+

+/**

+ * 16 bytes stack alignment.

+ */

+typedef struct {

+  uint8_t a[16];

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

+

+/**

+ * Generic x86 register.

+ */

+typedef void *regx86;

+

+/**

+ * Interrupt saved context.

+ * This structure represents the stack frame saved during a preemption-capable

+ * interrupt handler.

+ */

+struct extctx {

+};

+

+/**

+ * System saved context.

+ * @note In this demo the floating point registers are not saved.

+ */

+struct intctx {

+  regx86  ebx;

+  regx86  edi;

+  regx86  esi;

+  regx86  ebp;

+  regx86  eip;

+};

+

+/**

+ * Platform dependent part of the @p Thread structure.

+ * This structure usually contains just the saved stack pointer defined as a

+ * pointer to a @p intctx structure.

+ */

+struct context {

+  struct intctx volatile *esp;

+};

+

+#define APUSH(p, a) (p) -= sizeof(void *), *(void **)(p) = (void*)(a)

+

+/* 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 *)((((uintptr_t)(p) - mod) & ~mask) + mod)

+

+/**

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

+ * This code usually setup the context switching frame represented by a

+ * @p intctx structure.

+ */

+#define SETUP_CONTEXT(workspace, wsize, pf, arg) {                      \

+  uint8_t *esp = (uint8_t *)workspace + wsize;                          \

+  APUSH(esp, 0);                                                        \

+  uint8_t *savebp = esp;                                                \

+  AALIGN(esp, 15, 8);                                                   \

+  APUSH(esp, arg);                                                      \

+  APUSH(esp, pf);                                                       \

+  APUSH(esp, 0);                                                        \

+  esp -= sizeof(struct intctx);                                         \

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

+  ((struct intctx *)esp)->ebx = 0;                                      \

+  ((struct intctx *)esp)->edi = 0;                                      \

+  ((struct intctx *)esp)->esi = 0;                                      \

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

+  tp->p_ctx.esp = (struct intctx *)esp;                                 \

+}

+

+/**

+ * Stack size for the system idle thread.

+ */

+#ifndef PORT_IDLE_THREAD_STACK_SIZE

+#define PORT_IDLE_THREAD_STACK_SIZE     256

+#endif

+

+/**

+ * Per-thread stack overhead for interrupts servicing, it is used in the

+ * calculation of the correct working area size.

+ * It requires stack space because the simulated "interrupt handlers" can

+ * invoke host library functions inside so it better have a lot of space.

+ */

+#ifndef PORT_INT_REQUIRED_STACK

+#define PORT_INT_REQUIRED_STACK         16384

+#endif

+

+/**

+ * Enforces a correct alignment for a stack area size value.

+ */

+#define STACK_ALIGN(n) ((((n) - 1) | (sizeof(stkalign_t) - 1)) + 1)

+

+ /**

+  * Computes the thread working area global size.

+  */

+#define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) +                     \

+                                   sizeof(void *) * 4 +                 \

+                                   sizeof(struct intctx) +              \

+                                   sizeof(struct extctx) +              \

+                                   (n) + (PORT_INT_REQUIRED_STACK))

+

+/**

+ * Macro used to allocate a thread working area aligned as both position and

+ * size.

+ */

+#define WORKING_AREA(s, n) stkalign_t s[THD_WA_SIZE(n) / sizeof(stkalign_t)]

+

+/**

+ * IRQ prologue code, inserted at the start of all IRQ handlers enabled to

+ * invoke system APIs.

+ */

+#define PORT_IRQ_PROLOGUE()

+

+/**

+ * IRQ epilogue code, inserted at the end of all IRQ handlers enabled to

+ * invoke system APIs.

+ */

+#define PORT_IRQ_EPILOGUE()

+

+/**

+ * IRQ handler function declaration.

+ */

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

+

+/**

+ * Simulator initialization.

+ */

+#define port_init()

+

+/**

+ * Does nothing in this simulator.

+ */

+#define port_lock() asm volatile("nop")

+

+/**

+ * Does nothing in this simulator.

+ */

+#define port_unlock() asm volatile("nop")

+

+/**

+ * Does nothing in this simulator.

+ */

+#define port_lock_from_isr()

+

+/**

+ * Does nothing in this simulator.

+ */

+#define port_unlock_from_isr()

+

+/**

+ * Does nothing in this simulator.

+ */

+#define port_disable()

+

+/**

+ * Does nothing in this simulator.

+ */

+#define port_suspend()

+

+/**

+ * Does nothing in this simulator.

+ */

+#define port_enable()

+

+/**

+ * In the simulator this does a polling pass on the simulated interrupt

+ * sources.

+ */

+#define port_wait_for_interrupt() ChkIntSources()

+

+#ifdef __cplusplus

+extern "C" {

+#endif

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

+  __attribute__((fastcall)) void port_halt(void);

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

+                                                           void *p);

+  void ChkIntSources(void);

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* _CHCORE_H_ */

+

+/** @} */

diff --git a/os/rt/ports/SIMIA32/GCC/chtypes.h b/os/rt/ports/SIMIA32/GCC/chtypes.h
new file mode 100644
index 000000000..a74b80a4b
--- /dev/null
+++ b/os/rt/ports/SIMIA32/GCC/chtypes.h
@@ -0,0 +1,77 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,

+                 2011,2012,2013 Giovanni Di Sirio.

+

+    This file is part of ChibiOS/RT.

+

+    ChibiOS/RT 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/RT 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/>.

+

+                                      ---

+

+    A special exception to the GPL can be applied should you wish to distribute

+    a combined work that includes ChibiOS/RT, without being obliged to provide

+    the source code for any proprietary components. See the file exception.txt

+    for full details of how and when the exception can be applied.

+*/

+

+#ifndef _CHTYPES_H_

+#define _CHTYPES_H_

+

+#include <stddef.h>

+#include <stdint.h>

+#include <stdbool.h>

+

+typedef bool            bool_t;         /**< Fast boolean type.             */

+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;      /**< Event Id.                      */

+typedef uint32_t        eventmask_t;    /**< Event mask.                    */

+typedef uint32_t        flagsmask_t;    /**< Event flags.                   */

+typedef uint32_t        systime_t;      /**< System time.                   */

+typedef int32_t         cnt_t;          /**< Resources counter.             */

+

+/**

+ * @brief   Inline function modifier.

+ */

+#define INLINE inline

+

+/**

+ * @brief   ROM constant modifier.

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

+ */

+#define ROMCONST const

+

+/**

+ * @brief   Packed structure modifier (within).

+ * @note    It uses the "packed" GCC attribute.

+ */

+#define PACK_STRUCT_STRUCT __attribute__((packed))

+

+/**

+ * @brief   Packed structure modifier (before).

+ * @note    Empty in this port.

+ */

+#define PACK_STRUCT_BEGIN

+

+/**

+ * @brief   Packed structure modifier (after).

+ * @note    Empty in this port.

+ */

+#define PACK_STRUCT_END

+

+#endif /* _CHTYPES_H_ */

diff --git a/os/rt/ports/SIMIA32/GCC/port.mk b/os/rt/ports/SIMIA32/GCC/port.mk
new file mode 100644
index 000000000..8f053abc4
--- /dev/null
+++ b/os/rt/ports/SIMIA32/GCC/port.mk
@@ -0,0 +1,6 @@
+# List of the ChibiOS/RT SIMIA32 port files.

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

+

+PORTASM = 

+

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