git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6252 35acf78f-673a-0410-8e92-d51de3d6d3f4

3 files changed, 224 insertions, 0 deletions

diff --git a/os/nil/ports/ARMCMx/compilers/GCC/mk/port_stm32f0xx.mk b/os/nil/ports/ARMCMx/compilers/GCC/mk/port_stm32f0xx.mk
new file mode 100644
index 000000000..6e63c076c
--- /dev/null
+++ b/os/nil/ports/ARMCMx/compilers/GCC/mk/port_stm32f0xx.mk
@@ -0,0 +1,15 @@
+# List of the ChibiOS/NIL Cortex-M0 STM32F0xx port files.

+PORTSRC = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/crt0.c \

+          $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/vectors.c \

+          ${CHIBIOS}/os/nil/ports/ARMCMx/nilcore.c \

+          ${CHIBIOS}/os/nil/ports/ARMCMx/nilcore_v6m.c

+          

+PORTASM = $(CHIBIOS)/os/nil/ports/ARMCMx/compilers/GCC/nilcoreasm_v6m.s

+

+PORTINC = ${CHIBIOS}/os/ext/CMSIS/include \

+          ${CHIBIOS}/os/ext/CMSIS/ST \

+          ${CHIBIOS}/os/common/ports/ARMCMx/devices/STM32F0xx \

+          ${CHIBIOS}/os/nil/ports/ARMCMx \

+          ${CHIBIOS}/os/nil/ports/ARMCMx/compilers/GCC

+

+PORTLD  = ${CHIBIOS}/os/common/ports/ARMCMx/compilers/GCC/ld

diff --git a/os/nil/ports/ARMCMx/compilers/GCC/nilcoreasm_v6m.s b/os/nil/ports/ARMCMx/compilers/GCC/nilcoreasm_v6m.s
new file mode 100644
index 000000000..06f7d7cee
--- /dev/null
+++ b/os/nil/ports/ARMCMx/compilers/GCC/nilcoreasm_v6m.s
@@ -0,0 +1,124 @@
+/*

+    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/>.

+*/

+

+/**

+ * @file    ARMCMx/GCC/nilcoreasm_v6m.s

+ * @brief   ARMv6-M architecture port low level code.

+ *

+ * @addtogroup ARMCMx_CORE

+ * @{

+ */

+

+#define _FROM_ASM_

+#include "nilconf.h"

+#include "nilcore.h"

+

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

+#define FALSE   0

+#endif

+

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

+#define TRUE    1

+#endif

+

+#if !defined(__DOXYGEN__)

+

+

+                .set    CONTEXT_OFFSET, 0

+                .set    SCB_ICSR, 0xE000ED04

+                .set    ICSR_PENDSVSET, 0x10000000

+                .set    ICSR_NMIPENDSET, 0x80000000

+

+                .cpu    cortex-m0

+                .fpu    softvfp

+

+                .thumb

+                .text

+

+/*--------------------------------------------------------------------------*

+ * Performs a context switch between two threads.

+ *--------------------------------------------------------------------------*/

+                .thumb_func

+                .globl  _port_switch

+_port_switch:

+                push    {r4, r5, r6, r7, lr}

+                mov     r4, r8

+                mov     r5, r9

+                mov     r6, r10

+                mov     r7, r11

+                push    {r4, r5, r6, r7}

+                mov r3, sp

+                str r3, [r1, #CONTEXT_OFFSET]

+                ldr r3, [r0, #CONTEXT_OFFSET]

+                mov sp, r3

+                pop     {r4, r5, r6, r7}

+                mov     r8, r4

+                mov     r9, r5

+                mov     r10, r6

+                mov     r11, r7

+                pop     {r4, r5, r6, r7, pc}

+

+/*--------------------------------------------------------------------------*

+ * Start a thread by invoking its work function.

+ *

+ * Threads execution starts here, the code leaves the system critical zone

+ * and then jumps into the thread function passed in register R4. The

+ * register R5 contains the thread parameter. The function chThdExit() is

+ * called on thread function return.

+ *--------------------------------------------------------------------------*/

+                .thumb_func

+                .globl  _port_thread_start

+_port_thread_start:

+                cpsie   i

+                mov     r0, r5

+                blx     r4

+                mov     r3, #0

+                bl      nilSysHalt

+

+/*--------------------------------------------------------------------------*

+ * Post-IRQ switch code.

+ *

+ * Exception handlers return here for context switching.

+ *--------------------------------------------------------------------------*/

+                .thumb_func

+                .globl  _port_switch_from_isr

+_port_switch_from_isr:

+                bl      nilSchRescheduleS

+                .globl  _port_exit_from_isr

+_port_exit_from_isr:

+                ldr     r2, .L2

+                ldr     r3, .L3

+                str     r3, [r2, #0]

+#if CORTEX_ALTERNATE_SWITCH

+                cpsie   i

+#endif

+.L1:            b       .L1

+

+                .align  2

+.L2:            .word   SCB_ICSR

+#if CORTEX_ALTERNATE_SWITCH

+.L3:            .word   ICSR_PENDSVSET

+#else

+.L3:            .word   ICSR_NMIPENDSET

+#endif

+

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

+

+/** @} */

diff --git a/os/nil/ports/ARMCMx/compilers/GCC/niltypes.h b/os/nil/ports/ARMCMx/compilers/GCC/niltypes.h
new file mode 100644
index 000000000..bc33d2e10
--- /dev/null
+++ b/os/nil/ports/ARMCMx/compilers/GCC/niltypes.h
@@ -0,0 +1,85 @@
+/*

+    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/>.

+*/

+

+/**

+ * @file    ARMCMx/GCC/chtypes.h

+ * @brief   ARM Cortex-Mx port system types.

+ *

+ * @addtogroup ARMCMx_CORE

+ * @{

+ */

+

+#ifndef _CHTYPES_H_

+#define _CHTYPES_H_

+

+#include <stddef.h>

+#include <stdint.h>

+#include <stdbool.h>

+

+/**

+ * @name    Common constants

+ */

+/**

+ * @brief   Generic 'false' boolean constant.

+ */

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

+#define FALSE                   0

+#endif

+

+/**

+ * @brief   Generic 'true' boolean constant.

+ */

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

+#define TRUE                    (!FALSE)

+#endif

+/** @} */

+

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

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

+typedef uint64_t        rttime_t;       /**< Time 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))

+

+#endif /* _CHTYPES_H_ */

+

+/** @} */