git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1784 35acf78f-673a-0410-8e92-d51de3d6d3f4

8 files changed, 397 insertions, 239 deletions

diff --git a/demos/ARMCM0-LPC1114-GCC/Makefile b/demos/ARMCM0-LPC1114-GCC/Makefile
index 59a108cfe..dcfec8ce6 100644
--- a/demos/ARMCM0-LPC1114-GCC/Makefile
+++ b/demos/ARMCM0-LPC1114-GCC/Makefile
@@ -148,7 +148,7 @@ CPPWARN = -Wall -Wextra
 #

 

 # List all default C defines here, like -D_DEBUG=1

-DDEFS = -DLPC1114

+DDEFS = -DLPC1114 -D__NEWLIB__

 

 # List all default ASM defines here, like -D_DEBUG=1

 DADEFS =

diff --git a/demos/ARMCM0-LPC1114-GCC/main.c b/demos/ARMCM0-LPC1114-GCC/main.c
index 0072f0958..0dd187ecd 100644
--- a/demos/ARMCM0-LPC1114-GCC/main.c
+++ b/demos/ARMCM0-LPC1114-GCC/main.c
@@ -18,8 +18,8 @@
 */

 

 #include "ch.h"

-#include "hal.h"

-#include "test.h"

+//#include "hal.h"

+//#include "test.h"

 

 /*

  * Red LEDs blinker thread, times are in milliseconds.

@@ -29,9 +29,9 @@ static msg_t Thread1(void *arg) {
 

   (void)arg;

   while (TRUE) {

-    palClearPad(IOPORT3, GPIOC_LED);

+//    palClearPad(IOPORT3, GPIOC_LED);

     chThdSleepMilliseconds(500);

-    palSetPad(IOPORT3, GPIOC_LED);

+//    palSetPad(IOPORT3, GPIOC_LED);

     chThdSleepMilliseconds(500);

   }

   return 0;

@@ -49,7 +49,7 @@ int main(int argc, char **argv) {
   /*

    * Activates the serial driver 2 using the driver default configuration.

    */

-  sdStart(&SD2, NULL);

+//  sdStart(&SD2, NULL);

 

   /*

    * Creates the blinker thread.

@@ -61,8 +61,8 @@ int main(int argc, char **argv) {
    * sleeping in a loop and check the button state.

    */

   while (TRUE) {

-    if (palReadPad(IOPORT1, GPIOA_BUTTON))

-      TestThread(&SD2);

+//    if (palReadPad(IOPORT1, GPIOA_BUTTON))

+//      TestThread(&SD2);

     chThdSleepMilliseconds(500);

   }

   return 0;

diff --git a/docs/reports/kernel.txt b/docs/reports/kernel.txt
index 45165a1b6..5204ada9a 100644
--- a/docs/reports/kernel.txt
+++ b/docs/reports/kernel.txt
@@ -1,270 +1,64 @@
 Platform : PowerPC
 OS Setup : Full kernel
-Compiler : powerpc-eabi-gcc (Sourcery G++ Lite 4.4-79) 4.4.1
-Options  : -O2 -DCH_OPTIMIZE_SPEED=TRUE
-Kernel Size = 10916
-
+Compiler : Options  : -O2 -DCH_OPTIMIZE_SPEED=TRUE
+Make failed
 Platform : PowerPC
 OS Setup : Full kernel
-Compiler : powerpc-eabi-gcc (Sourcery G++ Lite 4.4-79) 4.4.1
-Options  : -O2 -DCH_OPTIMIZE_SPEED=FALSE
-Kernel Size = 10464
-
+Compiler : Options  : -O2 -DCH_OPTIMIZE_SPEED=FALSE
+Make failed
 Platform : PowerPC
 OS Setup : Minimal kernel
-Compiler : powerpc-eabi-gcc (Sourcery G++ Lite 4.4-79) 4.4.1
-Options  : -O2
-Kernel Size = 2176
-
+Compiler : Options  : -O2
+Make failed
 Platform : PowerPC
 OS Setup : Full kernel
-Compiler : powerpc-eabi-gcc (Sourcery G++ Lite 4.4-79) 4.4.1
-Options  : -Os -DCH_OPTIMIZE_SPEED=TRUE
-Kernel Size = 9572
-
+Compiler : Options  : -Os -DCH_OPTIMIZE_SPEED=TRUE
+Make failed
 Platform : PowerPC
 OS Setup : Full kernel
-Compiler : powerpc-eabi-gcc (Sourcery G++ Lite 4.4-79) 4.4.1
-Options  : -Os -DCH_OPTIMIZE_SPEED=FALSE
-Kernel Size = 9088
-
+Compiler : Options  : -Os -DCH_OPTIMIZE_SPEED=FALSE
+Make failed
 Platform : PowerPC
 OS Setup : Minimal kernel
-Compiler : powerpc-eabi-gcc (Sourcery G++ Lite 4.4-79) 4.4.1
-Options  : -Os
-Kernel Size = 2200
-
+Compiler : Options  : -Os
+Make failed
 Platform : ARM Cortex-M3
 OS Setup : Full kernel
 Compiler : arm-elf-gcc (GCC) 4.4.2
 Options  : -O2 -mthumb -DCH_OPTIMIZE_SPEED=TRUE
-Kernel Size = 5360
-
+Make failed
 Platform : ARM Cortex-M3
 OS Setup : Full kernel
 Compiler : arm-elf-gcc (GCC) 4.4.2
 Options  : -O2 -mthumb -DCH_OPTIMIZE_SPEED=FALSE
-Kernel Size = 4892
-
+Make failed
 Platform : ARM Cortex-M3
 OS Setup : Minimal kernel
 Compiler : arm-elf-gcc (GCC) 4.4.2
 Options  : -O2 -mthumb
-Kernel Size = 1360
-
+Make failed
 Platform : ARM Cortex-M3
 OS Setup : Full kernel
 Compiler : arm-elf-gcc (GCC) 4.4.2
 Options  : -Os -mthumb -DCH_OPTIMIZE_SPEED=TRUE
-Kernel Size = 5156
-
+Make failed
 Platform : ARM Cortex-M3
 OS Setup : Full kernel
 Compiler : arm-elf-gcc (GCC) 4.4.2
 Options  : -Os -mthumb -DCH_OPTIMIZE_SPEED=FALSE
-Kernel Size = 4740
-
+Make failed
 Platform : ARM Cortex-M3
 OS Setup : Minimal kernel
 Compiler : arm-elf-gcc (GCC) 4.4.2
 Options  : -Os -mthumb
-Kernel Size = 1308
-
+Make failed
 Platform : ARM Cortex-M3
 OS Setup : Full kernel
 Compiler : arm-elf-gcc (GCC) 4.4.2
 Options  : -Os -mthumb -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\" -DCH_OPTIMIZE_SPEED=TRUE
-Kernel Size = 4964
-
+Make failed
 Platform : ARM Cortex-M3
 OS Setup : Full kernel
 Compiler : arm-elf-gcc (GCC) 4.4.2
 Options  : -Os -mthumb -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\" -DCH_OPTIMIZE_SPEED=FALSE
-Kernel Size = 4560
-
-Platform : ARM Cortex-M3
-OS Setup : Minimal kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os -mthumb -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\"
-Kernel Size = 1272
-
-Platform : ARM7TDMI (ARM mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -O2 -DCH_OPTIMIZE_SPEED=TRUE
-Kernel Size = 7824
-
-Platform : ARM7TDMI (ARM mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -O2 -DCH_OPTIMIZE_SPEED=FALSE
-Kernel Size = 7416
-
-Platform : ARM7TDMI (ARM mode)
-OS Setup : Minimal kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -O2
-Kernel Size = 1868
-
-Platform : ARM7TDMI (ARM mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os -DCH_OPTIMIZE_SPEED=TRUE
-Kernel Size = 7592
-
-Platform : ARM7TDMI (ARM mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os -DCH_OPTIMIZE_SPEED=FALSE
-Kernel Size = 7212
-
-Platform : ARM7TDMI (ARM mode)
-OS Setup : Minimal kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os
-Kernel Size = 1824
-
-Platform : ARM7TDMI (ARM mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -O2 -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\" -DCH_OPTIMIZE_SPEED=TRUE
-Kernel Size = 7544
-
-Platform : ARM7TDMI (ARM mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -O2 -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\" -DCH_OPTIMIZE_SPEED=FALSE
-Kernel Size = 7148
-
-Platform : ARM7TDMI (ARM mode)
-OS Setup : Minimal kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -O2 -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\"
-Kernel Size = 1796
-
-Platform : ARM7TDMI (ARM mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\" -DCH_OPTIMIZE_SPEED=TRUE
-Kernel Size = 7296
-
-Platform : ARM7TDMI (ARM mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\" -DCH_OPTIMIZE_SPEED=FALSE
-Kernel Size = 6936
-
-Platform : ARM7TDMI (ARM mode)
-OS Setup : Minimal kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\"
-Kernel Size = 1772
-
-Platform : ARM7TDMI (THUMB mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -O2 -mthumb -DCH_OPTIMIZE_SPEED=TRUE -DTHUMB -DTHUMB_PRESENT -DTHUMB_NO_INTERWORKING
-Kernel Size = 5156
-
-Platform : ARM7TDMI (THUMB mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -O2 -mthumb -DCH_OPTIMIZE_SPEED=FALSE -DTHUMB -DTHUMB_PRESENT -DTHUMB_NO_INTERWORKING
-Kernel Size = 4952
-
-Platform : ARM7TDMI (THUMB mode)
-OS Setup : Minimal kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -O2 -mthumb -DTHUMB -DTHUMB_PRESENT -DTHUMB_NO_INTERWORKING
-Kernel Size = 1312
-
-Platform : ARM7TDMI (THUMB mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os -mthumb -DCH_OPTIMIZE_SPEED=TRUE -DTHUMB -DTHUMB_PRESENT -DTHUMB_NO_INTERWORKING
-Kernel Size = 4988
-
-Platform : ARM7TDMI (THUMB mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os -mthumb -DCH_OPTIMIZE_SPEED=FALSE -DTHUMB -DTHUMB_PRESENT -DTHUMB_NO_INTERWORKING
-Kernel Size = 4796
-
-Platform : ARM7TDMI (THUMB mode)
-OS Setup : Minimal kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os -mthumb -DTHUMB -DTHUMB_PRESENT -DTHUMB_NO_INTERWORKING
-Kernel Size = 1292
-
-Platform : ARM7TDMI (THUMB mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -O2 -mthumb -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\" -DCH_OPTIMIZE_SPEED=TRUE -DTHUMB -DTHUMB_PRESENT -DTHUMB_NO_INTERWORKING
-Kernel Size = 5000
-
-Platform : ARM7TDMI (THUMB mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -O2 -mthumb -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\" -DCH_OPTIMIZE_SPEED=FALSE -DTHUMB -DTHUMB_PRESENT -DTHUMB_NO_INTERWORKING
-Kernel Size = 4812
-
-Platform : ARM7TDMI (THUMB mode)
-OS Setup : Minimal kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -O2 -mthumb -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\" -DTHUMB -DTHUMB_PRESENT -DTHUMB_NO_INTERWORKING
-Kernel Size = 1268
-
-Platform : ARM7TDMI (THUMB mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os -mthumb -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\" -DCH_OPTIMIZE_SPEED=TRUE -DTHUMB -DTHUMB_PRESENT -DTHUMB_NO_INTERWORKING
-Kernel Size = 4792
-
-Platform : ARM7TDMI (THUMB mode)
-OS Setup : Full kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os -mthumb -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\" -DCH_OPTIMIZE_SPEED=FALSE -DTHUMB -DTHUMB_PRESENT -DTHUMB_NO_INTERWORKING
-Kernel Size = 4636
-
-Platform : ARM7TDMI (THUMB mode)
-OS Setup : Minimal kernel
-Compiler : arm-elf-gcc (GCC) 4.4.2
-Options  : -Os -mthumb -ffixed-r7 -DCH_CURRP_REGISTER_CACHE=\"r7\" -DTHUMB -DTHUMB_PRESENT -DTHUMB_NO_INTERWORKING
-Kernel Size = 1252
-
-Platform : MSP430
-OS Setup : Full kernel
-Compiler : msp430-gcc (GCC) 3.2.3
-Options  : -O2 -DCH_OPTIMIZE_SPEED=TRUE
-Kernel Size = 5548
-
-Platform : MSP430
-OS Setup : Full kernel
-Compiler : msp430-gcc (GCC) 3.2.3
-Options  : -O2 -DCH_OPTIMIZE_SPEED=FALSE
-Kernel Size = 5036
-
-Platform : MSP430
-OS Setup : Minimal kernel
-Compiler : msp430-gcc (GCC) 3.2.3
-Options  : -O2
-Kernel Size = 1172
-
-Platform : MSP430
-OS Setup : Full kernel
-Compiler : msp430-gcc (GCC) 3.2.3
-Options  : -Os -DCH_OPTIMIZE_SPEED=TRUE
-Kernel Size = 5484
-
-Platform : MSP430
-OS Setup : Full kernel
-Compiler : msp430-gcc (GCC) 3.2.3
-Options  : -Os -DCH_OPTIMIZE_SPEED=FALSE
-Kernel Size = 4992
-
-Platform : MSP430
-OS Setup : Minimal kernel
-Compiler : msp430-gcc (GCC) 3.2.3
-Options  : -Os
-Kernel Size = 1172
-
+Make failed
diff --git a/os/ports/GCC/ARM7/crt0.s b/os/ports/GCC/ARM7/crt0.s
index fa0812632..fceef23cc 100644
--- a/os/ports/GCC/ARM7/crt0.s
+++ b/os/ports/GCC/ARM7/crt0.s
@@ -23,7 +23,8 @@
  * @addtogroup ARM7_CORE

  * @{

  */

-/** @cond never */

+

+#if !defined(__DOXYGEN__)

 

 .set    MODE_USR, 0x10

 .set    MODE_FIQ, 0x11

@@ -177,5 +178,6 @@ hwinit1:
         bx      lr

 .code 32

 

-/** @endcond */

+#endif

+

 /** @} */

diff --git a/os/ports/GCC/ARMCMx/LPC111x/cmparams.h b/os/ports/GCC/ARMCMx/LPC111x/cmparams.h
new file mode 100644
index 000000000..790d529cb
--- /dev/null
+++ b/os/ports/GCC/ARMCMx/LPC111x/cmparams.h
@@ -0,0 +1,118 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 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/LPC111x/cmparams.h

+ * @brief   ARM Cortex-M0 LPC111x specific parameters.

+ *

+ * @defgroup ARMCMx_LPC111x LPC111x specific parameters

+ * @ingroup ARMCMx

+ * @details This file contains the Cortex-M0 specific parameters for the

+ *          LPC111x platform.

+ * @{

+ */

+

+#ifndef _CMPARAMS_H_

+#define _CMPARAMS_H_

+

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

+/* Constants parameters.                                                     */

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

+

+/**

+ * @brief   Cortex core model.

+ */

+#define CORTEX_MODEL            CORTEX_M0

+

+/**

+ * @brief   Systick unit presence.

+ */

+#define CORTEX_HAS_ST           TRUE

+

+/**

+ * @brief   Memory Protection unit presence.

+ */

+#define CORTEX_HAS_MPU          FALSE

+

+/**

+ * @brief   Number of bits in priority masks.

+ * @details The available number of priority levels is equal to

+ *          (1 << @p CORTEX_PRIORITY_BITS).

+ */

+#define CORTEX_PRIORITY_BITS    2

+

+/**

+ * @brief   Priority to priority mask conversion macro.

+ */

+#define CORTEX_PRIORITY(n)      ((n) << (8 - CORTEX_PRIORITY_BITS))

+

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

+/* Configurable parameters.                                                  */

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

+

+/**

+ * @brief   BASEPRI user level, 0 = disabled.

+ */

+#ifndef CORTEX_BASEPRI_USER

+#define CORTEX_BASEPRI_USER     CORTEX_PRIORITY(0)

+#endif

+

+/**

+ * @brief   BASEPRI level within kernel lock.

+ * @details Priority levels higher than this one (lower values) are unaffected

+ *          by the OS activity and can be classified as fast interrupt sources,

+ *          see @ref interrupt_classes.

+ */

+#ifndef CORTEX_BASEPRI_KERNEL

+#define CORTEX_BASEPRI_KERNEL   CORTEX_PRIORITY(1)

+#endif

+

+/**

+ * @brief   SVCALL handler priority.

+ * @note    This priority must always be one level above the @p BASEPRI_KERNEL

+ *          value.

+ * @note    It is recommended, but not mandatory, to leave this priority level

+ *          for this handler alone.

+ */

+#ifndef CORTEX_PRIORITY_SVCALL

+#define CORTEX_PRIORITY_SVCALL  CORTEX_PRIORITY(0)

+#endif

+

+/**

+ * @brief   SYSTICK handler priority.

+ */

+#ifndef CORTEX_PRIORITY_SYSTICK

+#define CORTEX_PRIORITY_SYSTICK CORTEX_PRIORITY(2)

+#endif

+

+/**

+ * @brief   PENDSV handler priority.

+ * @note    It is recommended to leave this priority level for this handler

+ *          alone.

+ * @note    This is a reserved handler and its priority must always be the

+ *          lowest priority in the system in order to be always executed last

+ *          in the interrupt servicing chain.

+ */

+#ifndef CORTEX_PRIORITY_PENDSV

+#define CORTEX_PRIORITY_PENDSV  CORTEX_PRIORITY(3)

+#endif

+

+#endif /* _CMPARAMS_H_ */

+

+/** @} */

diff --git a/os/ports/GCC/ARMCMx/LPC111x/port.mk b/os/ports/GCC/ARMCMx/LPC111x/port.mk
new file mode 100644
index 000000000..2ea4fc00e
--- /dev/null
+++ b/os/ports/GCC/ARMCMx/LPC111x/port.mk
@@ -0,0 +1,10 @@
+# List of the ChibiOS/RT Cortex-M0 LPC111x port files.

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

+          ${CHIBIOS}/os/ports/GCC/ARMCMx/nvic.c

+#          ${CHIBIOS}/os/ports/GCC/ARMCMx/cmsis/core_cm0.c

+

+PORTASM = ${CHIBIOS}/os/ports/GCC/ARMCMx/crt0.s

+

+PORTINC = ${CHIBIOS}/os/ports/GCC/ARMCMx \

+          ${CHIBIOS}/os/ports/GCC/ARMCMx/LPC111x \

+          ${CHIBIOS}/os/ports/GCC/ARMCMx/cmsis

diff --git a/os/ports/GCC/ARMCMx/LPC111x/vectors.s b/os/ports/GCC/ARMCMx/LPC111x/vectors.s
new file mode 100644
index 000000000..44ea654ce
--- /dev/null
+++ b/os/ports/GCC/ARMCMx/LPC111x/vectors.s
@@ -0,0 +1,212 @@
+/*

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

+*/

+

+.syntax unified

+.thumb

+

+.section vectors

+_vectors:

+        .word   __ram_end__

+        .word   ResetHandler

+        .word   NMIVector

+        .word   HardFaultVector

+        .word   MemManageVector

+        .word   BusFaultVector

+        .word   UsageFaultVector

+        .word   Vector1C

+        .word   Vector20

+        .word   Vector24

+        .word   Vector28

+        .word   SVCallVector

+        .word   DebugMonitorVector

+        .word   Vector34

+        .word   PendSVVector

+        .word   SysTickVector

+        .word   Vector40

+        .word   Vector44

+        .word   Vector48

+        .word   Vector4C

+        .word   Vector50

+        .word   Vector54

+        .word   Vector58

+        .word   Vector5C

+        .word   Vector60

+        .word   Vector64

+        .word   Vector68

+        .word   Vector6C

+        .word   Vector70

+        .word   Vector74

+        .word   Vector78

+        .word   Vector7C

+        .word   Vector80

+        .word   Vector84

+        .word   Vector88

+        .word   Vector8C

+        .word   Vector90

+        .word   Vector94

+        .word   Vector98

+        .word   Vector9C

+        .word   VectorA0

+        .word   VectorA4

+        .word   VectorA8

+        .word   VectorAC

+        .word   VectorB0

+        .word   VectorB4

+        .word   VectorB8

+        .word   VectorBC

+

+.weak NMIVector

+NMIVector:

+

+.weak HardFaultVector

+HardFaultVector:

+

+.weak MemManageVector

+MemManageVector:

+

+.weak BusFaultVector

+BusFaultVector:

+

+.weak UsageFaultVector

+UsageFaultVector:

+

+.weak Vector1C

+Vector1C:

+

+.weak Vector20

+Vector20:

+

+.weak Vector24

+Vector24:

+

+.weak Vector28

+Vector28:

+

+.weak SVCallVector

+SVCallVector:

+

+.weak DebugMonitorVector

+DebugMonitorVector:

+

+.weak Vector34

+Vector34:

+

+.weak PendSVVector

+PendSVVector:

+

+.weak SysTickVector

+SysTickVector:

+

+.weak Vector40

+Vector40:

+

+.weak Vector44

+Vector44:

+

+.weak Vector48

+Vector48:

+

+.weak Vector4C

+Vector4C:

+

+.weak Vector50

+Vector50:

+

+.weak Vector54

+Vector54:

+

+.weak Vector58

+Vector58:

+

+.weak Vector5C

+Vector5C:

+

+.weak Vector60

+Vector60:

+

+.weak Vector64

+Vector64:

+

+.weak Vector68

+Vector68:

+

+.weak Vector6C

+Vector6C:

+

+.weak Vector70

+Vector70:

+

+.weak Vector74

+Vector74:

+

+.weak Vector78

+Vector78:

+

+.weak Vector7C

+Vector7C:

+

+.weak Vector80

+Vector80:

+

+.weak Vector84

+Vector84:

+

+.weak Vector88

+Vector88:

+

+.weak Vector8C

+Vector8C:

+

+.weak Vector90

+Vector90:

+

+.weak Vector94

+Vector94:

+

+.weak Vector98

+Vector98:

+

+.weak Vector9C

+Vector9C:

+

+.weak VectorA0

+VectorA0:

+

+.weak VectorA4

+VectorA4:

+

+.weak VectorA8

+VectorA8:

+

+.weak VectorAC

+VectorAC:

+

+.weak VectorB0

+VectorB0:

+

+.weak VectorB4

+VectorB4:

+

+.weak VectorB8

+VectorB8:

+

+.weak VectorBC

+VectorBC:

+

+here:   b       here

diff --git a/os/ports/GCC/ARMCMx/crt0.s b/os/ports/GCC/ARMCMx/crt0.s
index bb40ed950..a431dd838 100644
--- a/os/ports/GCC/ARMCMx/crt0.s
+++ b/os/ports/GCC/ARMCMx/crt0.s
@@ -23,7 +23,10 @@
  * @addtogroup ARMCMx_CORE

  * @{

  */

-/** @cond never */

+

+#include "cmparams.h"

+

+#if !defined(__DOXYGEN__)

 

 .set    CONTROL_MODE_PRIVILEGED, 0

 .set    CONTROL_MODE_UNPRIVILEGED, 1

@@ -49,7 +52,7 @@ ResetHandler:
          */

         ldr     r0, =__ram_end__

         ldr     r1, =__main_stack_size__

-        sub     r0, r0, r1

+        subs    r0, r0, r1

         /* { r0  = main stack low address } */

         msr     PSP, r0

         /* Early initialization. */

@@ -63,10 +66,20 @@ ResetHandler:
         ldr     r3, =_edata

 dloop:

         cmp     r2, r3

+#if CORTEX_MODEL == CORTEX_M0

+        bge     enddloop

+        ldr     r0, [r1]

+        str     r0, [r2]

+        adds    r0, r0, #4

+        adds    r1, r1, #4

+        b       dloop

+enddloop:

+#else

         ittt    lo

         ldrlo   r0, [r1], #4

         strlo   r0, [r2], #4

         blo     dloop

+#endif

         /*

          * BSS initialization.

          * NOTE: It assumes that the BSS size is a multiple of 4.

@@ -76,9 +89,17 @@ dloop:
         ldr     r2, =_bss_end

 bloop:

         cmp     r1, r2

+#if CORTEX_MODEL == CORTEX_M0

+        bge     endbloop

+        str     r0, [r1]

+        adds    r1, r1, #4

+        b       bloop

+endbloop:

+#else

         itt     lo

         strlo   r0, [r1], #4

         blo     bloop

+#endif

         /* Switches to the Process Stack. */

         movs    r0, #CONTROL_MODE_PRIVILEGED | CONTROL_USE_PSP

         msr     CONTROL, r0

@@ -124,5 +145,6 @@ hwinit0:
 hwinit1:

         bx      lr

 

-/** @endcond */

+#endif

+

 /** @} */