diff --git a/arch/arm/src/arm/up_vfork.S b/arch/arm/src/arm/up_vfork.S new file mode 100644 index 0000000000..23e975c304 --- /dev/null +++ b/arch/arm/src/arm/up_vfork.S @@ -0,0 +1,92 @@ +/************************************************************************************ + * arch/arm/src/arm/up_vfork.S + * + * Copyright (C) 2013 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include + +/************************************************************************************ + * Pre-processor Definitions + ************************************************************************************/ + +/************************************************************************************ + * Global Symbols + ************************************************************************************/ + + .file "up_vfork.S" + .globl __vfork + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: vfork + * + * Description: + * The vfork() function has the same effect as fork(), except that the behavior is + * undefined if the process created by vfork() either modifies any data other than + * a variable of type pid_t used to store the return value from vfork(), or returns + * from the function in which vfork() was called, or calls any other function before + * successfully calling _exit() or one of the exec family of functions. + * + * This thin layer implements vfork by simply calling __vfork() with the vfork() + * return address as an argument. + * + * Input Paremeters: + * None + * + * Return: + * Upon successful completion, vfork() returns 0 to the child process and returns + * the process ID of the child process to the parent process. Otherwise, -1 is + * returned to the parent, no child process is created, and errno is set to + * indicate the error. + * + ************************************************************************************/ + + .globl vfork + .type vfork, function +vfork: + + /* I know, I could have used the GCC's return address builtin and done this all + * in C. But this works even if there is no builtin. + */ + + mov r0, lr + b __vfork + .size vfork, .-vfork + .end diff --git a/arch/arm/src/armv7-m/up_vfork.S b/arch/arm/src/armv7-m/up_vfork.S new file mode 100644 index 0000000000..65ccc45353 --- /dev/null +++ b/arch/arm/src/armv7-m/up_vfork.S @@ -0,0 +1,96 @@ +/************************************************************************************ + * arch/arm/src/armv7-m/up_vfork.S + * + * Copyright (C) 2013 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include + +/************************************************************************************ + * Pre-processor Definitions + ************************************************************************************/ + +/************************************************************************************ + * Global Symbols + ************************************************************************************/ + + .syntax unified + .thumb + .file "up_vfork.S" + .globl __vfork + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: vfork + * + * Description: + * The vfork() function has the same effect as fork(), except that the behavior is + * undefined if the process created by vfork() either modifies any data other than + * a variable of type pid_t used to store the return value from vfork(), or returns + * from the function in which vfork() was called, or calls any other function before + * successfully calling _exit() or one of the exec family of functions. + * + * This thin layer implements vfork by simply calling __vfork() with the vfork() + * return address as an argument. + * + * Input Paremeters: + * None + * + * Return: + * Upon successful completion, vfork() returns 0 to the child process and returns + * the process ID of the child process to the parent process. Otherwise, -1 is + * returned to the parent, no child process is created, and errno is set to + * indicate the error. + * + ************************************************************************************/ + + .thumb_func + .globl vfork + .type vfork, function +vfork: + + /* I know, I could have used the GCC's return address builtin and done this all + * in C. But this works even if there is no builtin. + */ + + mov r0, lr + b __vfork + .size vfork, .-vfork + .end + diff --git a/arch/arm/src/c5471/Make.defs b/arch/arm/src/c5471/Make.defs index 2bc396fd36..89c3aaf0be 100644 --- a/arch/arm/src/c5471/Make.defs +++ b/arch/arm/src/c5471/Make.defs @@ -1,7 +1,7 @@ ############################################################################ # c5471/Make.defs # -# Copyright (C) 2007 Gregory Nutt. All rights reserved. +# Copyright (C) 2007, 2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without @@ -35,14 +35,14 @@ HEAD_ASRC = up_nommuhead.S -CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S +CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_vfork.S CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \ up_createstack.c up_dataabort.c up_mdelay.c up_udelay.c up_doirq.c \ up_exit.c up_idle.c up_initialize.c up_initialstate.c \ up_interruptcontext.c up_prefetchabort.c up_releasepending.c \ up_releasestack.c up_reprioritizertr.c up_schedulesigaction.c \ up_sigdeliver.c up_syscall.c up_unblocktask.c \ - up_undefinedinsn.c up_usestack.c + up_undefinedinsn.c up_usestack.c up__vfork.c ifeq ($(CONFIG_ELF),y) CMN_CSRCS += up_elf.c diff --git a/arch/arm/src/calypso/Make.defs b/arch/arm/src/calypso/Make.defs index 4b53c3b7cb..957d4e6773 100644 --- a/arch/arm/src/calypso/Make.defs +++ b/arch/arm/src/calypso/Make.defs @@ -1,7 +1,7 @@ ############################################################################ # calypso/Make.defs # -# Copyright (C) 2007 Gregory Nutt. All rights reserved. +# Copyright (C) 2007, 2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Copyright (C) 2011 Stefan Richter. All rights reserved. @@ -39,14 +39,14 @@ HEAD_ASRC = calypso_head.S CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_vectors.S \ - up_nommuhead.S + up_nommuhead.S up_vfork.S CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \ up_createstack.c up_dataabort.c up_mdelay.c up_udelay.c up_doirq.c \ up_exit.c up_idle.c up_initialstate.c up_initialize.c \ up_interruptcontext.c up_prefetchabort.c up_releasepending.c \ up_releasestack.c up_reprioritizertr.c up_schedulesigaction.c \ up_sigdeliver.c up_syscall.c up_unblocktask.c \ - up_undefinedinsn.c up_usestack.c calypso_power.c + up_undefinedinsn.c up_usestack.c calypso_power.c up__vfork.c ifeq ($(CONFIG_ELF),y) CMN_CSRCS += up_elf.c diff --git a/arch/arm/src/common/up__vfork.c b/arch/arm/src/common/up__vfork.c new file mode 100644 index 0000000000..a1081faa88 --- /dev/null +++ b/arch/arm/src/common/up__vfork.c @@ -0,0 +1,134 @@ +/**************************************************************************** + * arch/arm/src/common/up__vfork + * + * Copyright (C) 2013 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include + +#include + +#include "os_internal.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* ARM requires at least a 4-byte stack alignment. For use with EABI and + * floating point, the stack must be aligned to 8-byte addresses. + */ + +#ifndef CONFIG_STACK_ALIGNMENT + +/* The symbol __ARM_EABI__ is defined by GCC if EABI is being used. If you + * are not using GCC, make sure that CONFIG_STACK_ALIGNMENT is set correctly! + */ + +# ifdef __ARM_EABI__ +# define CONFIG_STACK_ALIGNMENT 8 +# else +# define CONFIG_STACK_ALIGNMENT 4 +# endif +#endif + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: __vfork + * + * Description: + * The vfork() function has the same effect as fork(), except that the + * behavior is undefined if the process created by vfork() either modifies + * any data other than a variable of type pid_t used to store the return + * value from vfork(), or returns from the function in which vfork() was + * called, or calls any other function before successfully calling _exit() + * or one of the exec family of functions. + * + * This thin layer starts the vfork child by simply spawning a new thread + * that begins at the return address of vfork(). + * + * Input Paremeters: + * retaddr - The return address of vfork() + * + * Return: + * Upon successful completion, vfork() returns 0 to the child process and + * returns the process ID of the child process to the parent process. + * Otherwise, -1 is returned to the parent, no child process is created, + * and errno is set to indicate the error. + * + ****************************************************************************/ + +pid_t __vfork(uint32_t retaddr) +{ + FAR _TCB *parent = (FAR _TCB *)g_readytorun.head; + size_t stacksize; + int priority; + + /* Get the size of the parent task's stack. Due to alignment operations, + * the adjusted stack size may be smaller than the stack size originally + * requrested. + */ + + stacksize = parent->adj_stack_size + CONFIG_STACK_ALIGNMENT - 1; + + /* Get the current priority of the parent task */ + +#ifdef CONFIG_PRIORITY_INHERITANCE + priority = parent->base_priority; /* "Normal," unboosted priority */ +#else + priority = parent->sched_priority; /* Current priority */ +#endif + + /* Start the child thread at the vfork return address. TASK_CREATE will + * return the PID of the new thread. Otherwise a negative value will be + * returned and the errno will be set appropriately. + * + * When the registers are initialized, the return value in R0 should be + * cleared to zero, providing the indication to the newly started child + * thread. + */ + + return TASK_CREATE("init", priority, stacksize, (main_t)retaddr, + (const char **)NULL); +} diff --git a/arch/arm/src/dm320/Make.defs b/arch/arm/src/dm320/Make.defs index 9087708ef5..52e65c0e89 100644 --- a/arch/arm/src/dm320/Make.defs +++ b/arch/arm/src/dm320/Make.defs @@ -1,7 +1,7 @@ ############################################################################ # dm320/Make.defs # -# Copyright (C) 2007, 2010 Gregory Nutt. All rights reserved. +# Copyright (C) 2007, 2010, 2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without @@ -36,14 +36,14 @@ HEAD_ASRC = up_head.S CMN_ASRCS = up_cache.S up_fullcontextrestore.S up_saveusercontext.S \ - up_vectors.S up_vectoraddrexcptn.S up_vectortab.S + up_vectors.S up_vectoraddrexcptn.S up_vectortab.S up_vfork.S CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c up_createstack.c \ up_dataabort.c up_mdelay.c up_udelay.c up_exit.c up_idle.c \ up_initialize.c up_initialstate.c up_interruptcontext.c \ up_prefetchabort.c up_releasepending.c up_releasestack.c \ up_reprioritizertr.c up_schedulesigaction.c \ up_sigdeliver.c up_syscall.c up_unblocktask.c \ - up_undefinedinsn.c up_usestack.c + up_undefinedinsn.c up_usestack.c up__vfork.c ifeq ($(CONFIG_ELF),y) CMN_CSRCS += up_elf.c diff --git a/arch/arm/src/imx/Make.defs b/arch/arm/src/imx/Make.defs index a1c2e72e6b..a7c0ceebd2 100644 --- a/arch/arm/src/imx/Make.defs +++ b/arch/arm/src/imx/Make.defs @@ -1,7 +1,7 @@ ############################################################################ # arch/arm/src/imx/Make.defs # -# Copyright (C) 2009 Gregory Nutt. All rights reserved. +# Copyright (C) 2009, 2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without @@ -36,14 +36,14 @@ HEAD_ASRC = up_head.S CMN_ASRCS = up_cache.S up_fullcontextrestore.S up_saveusercontext.S \ - up_vectors.S up_vectoraddrexcptn.S up_vectortab.S + up_vectors.S up_vectoraddrexcptn.S up_vectortab.S up_vfork.S CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c up_createstack.c \ up_dataabort.c up_mdelay.c up_udelay.c up_exit.c up_idle.c \ up_initialize.c up_initialstate.c up_interruptcontext.c \ up_prefetchabort.c up_releasepending.c up_releasestack.c \ up_reprioritizertr.c up_schedulesigaction.c \ up_sigdeliver.c up_syscall.c up_unblocktask.c \ - up_undefinedinsn.c up_usestack.c + up_undefinedinsn.c up_usestack.c up__vfork.c ifeq ($(CONFIG_ELF),y) CMN_CSRCS += up_elf.c diff --git a/arch/arm/src/kinetis/Make.defs b/arch/arm/src/kinetis/Make.defs index 65bc7b465a..bad2946e23 100644 --- a/arch/arm/src/kinetis/Make.defs +++ b/arch/arm/src/kinetis/Make.defs @@ -1,7 +1,7 @@ ############################################################################ # arch/arm/src/kinetis/Make.defs # -# Copyright (C) 2011 Gregory Nutt. All rights reserved. +# Copyright (C) 2011, 2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without @@ -39,14 +39,16 @@ HEAD_ASRC = kinetis_vectors.S # Common ARM and Cortex-M3 files -CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_switchcontext.S +CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_switchcontext.S \ + up_vfork.S CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \ up_createstack.c up_mdelay.c up_udelay.c up_exit.c up_initialize.c \ up_memfault.c up_initialstate.c up_interruptcontext.c \ up_modifyreg8.c up_modifyreg16.c up_modifyreg32.c \ up_releasestack.c up_reprioritizertr.c up_schedulesigaction.c \ up_releasepending.c up_sigdeliver.c up_unblocktask.c up_usestack.c \ - up_doirq.c up_hardfault.c up_svcall.c up_checkstack.c + up_doirq.c up_hardfault.c up_svcall.c up_checkstack.c \ + up__vfork.c ifeq ($(CONFIG_ARCH_MEMCPY),y) CMN_ASRCS += up_memcpy.S diff --git a/arch/arm/src/lm3s/Make.defs b/arch/arm/src/lm3s/Make.defs index 8d29180277..c745e19539 100644 --- a/arch/arm/src/lm3s/Make.defs +++ b/arch/arm/src/lm3s/Make.defs @@ -1,7 +1,7 @@ ############################################################################ # arch/arm/src/lm3s/Make.defs # -# Copyright (C) 2009-2011 Gregory Nutt. All rights reserved. +# Copyright (C) 2009-2011, 2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without @@ -35,14 +35,16 @@ HEAD_ASRC = lm3s_vectors.S -CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_switchcontext.S +CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_switchcontext.S \ + up_vfork.S CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \ up_createstack.c up_mdelay.c up_udelay.c up_exit.c \ up_idle.c up_initialize.c up_initialstate.c up_interruptcontext.c \ up_memfault.c up_modifyreg8.c up_modifyreg16.c up_modifyreg32.c \ up_releasepending.c up_releasestack.c up_reprioritizertr.c \ up_schedulesigaction.c up_sigdeliver.c up_unblocktask.c \ - up_usestack.c up_doirq.c up_hardfault.c up_svcall.c + up_usestack.c up_doirq.c up_hardfault.c up_svcall.c \ + up__vfork.c ifeq ($(CONFIG_ARCH_MEMCPY),y) CMN_ASRCS += up_memcpy.S diff --git a/arch/arm/src/lpc17xx/Make.defs b/arch/arm/src/lpc17xx/Make.defs index c7ef4a1474..1ea0183a11 100644 --- a/arch/arm/src/lpc17xx/Make.defs +++ b/arch/arm/src/lpc17xx/Make.defs @@ -1,7 +1,7 @@ ############################################################################ # arch/arm/src/lpc17xx/Make.defs # -# Copyright (C) 2010-2011 Gregory Nutt. All rights reserved. +# Copyright (C) 2010-2011, 2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without @@ -39,14 +39,15 @@ HEAD_ASRC = lpc17_vectors.S # Common ARM and Cortex-M3 files -CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_switchcontext.S +CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_switchcontext.S \ + up_vfork.S CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c up_createstack.c \ up_mdelay.c up_udelay.c up_exit.c up_initialize.c up_memfault.c \ up_initialstate.c up_interruptcontext.c up_modifyreg8.c \ up_modifyreg16.c up_modifyreg32.c up_releasepending.c \ up_releasestack.c up_reprioritizertr.c up_schedulesigaction.c \ up_sigdeliver.c up_unblocktask.c up_usestack.c up_doirq.c \ - up_hardfault.c up_svcall.c up_checkstack.c + up_hardfault.c up_svcall.c up_checkstack.c up__vfork.c ifeq ($(CONFIG_ARCH_MEMCPY),y) CMN_ASRCS += up_memcpy.S diff --git a/arch/arm/src/lpc214x/Make.defs b/arch/arm/src/lpc214x/Make.defs index ae5ed15fba..6821d512b3 100644 --- a/arch/arm/src/lpc214x/Make.defs +++ b/arch/arm/src/lpc214x/Make.defs @@ -1,7 +1,7 @@ ############################################################################## # lpc214x/Make.defs # -# Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved. +# Copyright (C) 2007, 2008, 2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without @@ -35,13 +35,14 @@ HEAD_ASRC = lpc214x_head.S -CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_vectors.S +CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_vectors.S \ + up_vfork.S CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \ up_createstack.c up_dataabort.c up_mdelay.c up_udelay.c \ up_exit.c up_idle.c up_initialize.c up_initialstate.c \ up_interruptcontext.c up_prefetchabort.c up_releasepending.c \ up_releasestack.c up_reprioritizertr.c up_syscall.c up_unblocktask.c \ - up_undefinedinsn.c up_usestack.c up_lowputs.c + up_undefinedinsn.c up_usestack.c up_lowputs.c up__vfork.c ifneq ($(CONFIG_DISABLE_SIGNALS),y) CMN_CSRCS += up_schedulesigaction.c up_sigdeliver.c diff --git a/arch/arm/src/lpc2378/Make.defs b/arch/arm/src/lpc2378/Make.defs index 4fe75d9244..3d3c15926f 100644 --- a/arch/arm/src/lpc2378/Make.defs +++ b/arch/arm/src/lpc2378/Make.defs @@ -1,7 +1,7 @@ ############################################################################## # lpc23xx/Make.defs # -# Copyright (C) 2010 Rommel Marcelo. All rights reserved. +# Copyright (C) 2010, 2013 Rommel Marcelo. All rights reserved. # Author: Rommel Marcelo # # This file is part of the NuttX RTOS and based on the lpc2148 port: @@ -40,13 +40,14 @@ HEAD_ASRC = lpc23xx_head.S -CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_vectors.S +CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_vectors.S \ + up_vfork.S CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \ - up_createstack.c up_dataabort.c up_mdelay.c up_udelay.c \ - up_exit.c up_idle.c up_initialize.c up_initialstate.c \ - up_interruptcontext.c up_prefetchabort.c up_releasepending.c \ - up_releasestack.c up_reprioritizertr.c up_syscall.c up_unblocktask.c \ - up_undefinedinsn.c up_usestack.c up_lowputs.c + up_createstack.c up_dataabort.c up_mdelay.c up_udelay.c \ + up_exit.c up_idle.c up_initialize.c up_initialstate.c \ + up_interruptcontext.c up_prefetchabort.c up_releasepending.c \ + up_releasestack.c up_reprioritizertr.c up_syscall.c up_unblocktask.c \ + up_undefinedinsn.c up_usestack.c up_lowputs.c up__vfork.c ifneq ($(CONFIG_DISABLE_SIGNALS),y) CMN_CSRCS += up_schedulesigaction.c up_sigdeliver.c diff --git a/arch/arm/src/lpc31xx/Make.defs b/arch/arm/src/lpc31xx/Make.defs index db63563efe..b3a9746b4f 100644 --- a/arch/arm/src/lpc31xx/Make.defs +++ b/arch/arm/src/lpc31xx/Make.defs @@ -36,7 +36,7 @@ HEAD_ASRC = up_head.S CMN_ASRCS = up_cache.S up_fullcontextrestore.S up_saveusercontext.S \ - up_vectors.S up_vectoraddrexcptn.S up_vectortab.S + up_vectors.S up_vectoraddrexcptn.S up_vectortab.S up_vfork.S CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c up_createstack.c \ up_dataabort.c up_mdelay.c up_udelay.c up_exit.c up_idle.c \ up_initialize.c up_initialstate.c up_interruptcontext.c \ @@ -44,7 +44,7 @@ CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c up_createstack.c \ up_prefetchabort.c up_releasepending.c up_releasestack.c \ up_reprioritizertr.c up_schedulesigaction.c \ up_sigdeliver.c up_syscall.c up_unblocktask.c \ - up_undefinedinsn.c up_usestack.c + up_undefinedinsn.c up_usestack.c up__vfork.c ifeq ($(CONFIG_PAGING),y) CMN_CSRCS += up_pginitialize.c up_checkmapping.c up_allocpage.c up_va2pte.c diff --git a/arch/arm/src/lpc43xx/Make.defs b/arch/arm/src/lpc43xx/Make.defs index cd78ddd5bc..211f9bee33 100644 --- a/arch/arm/src/lpc43xx/Make.defs +++ b/arch/arm/src/lpc43xx/Make.defs @@ -1,7 +1,7 @@ ############################################################################ # arch/arm/src/lpc43xx/Make.defs # -# Copyright (C) 2012 Gregory Nutt. All rights reserved. +# Copyright (C) 2012-2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without @@ -33,16 +33,18 @@ # ############################################################################ -HEAD_ASRC = +HEAD_ASRC = CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_switchcontext.S -CMN_CSRCS += up_assert.c up_blocktask.c up_copystate.c +CMN_ASRCS += up_vfork.S + +CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c CMN_CSRCS += up_createstack.c up_mdelay.c up_udelay.c up_exit.c CMN_CSRCS += up_initialize.c up_initialstate.c up_interruptcontext.c CMN_CSRCS += up_memfault.c up_modifyreg8.c up_modifyreg16.c up_modifyreg32.c CMN_CSRCS += up_releasepending.c up_releasestack.c up_reprioritizertr.c CMN_CSRCS += up_schedulesigaction.c up_sigdeliver.c up_unblocktask.c -CMN_CSRCS += up_usestack.c up_doirq.c up_hardfault.c up_svcall.c +CMN_CSRCS += up_usestack.c up_doirq.c up_hardfault.c up_svcall.c up__vfork.c ifeq ($(CONFIG_ARMV7M_CMNVECTOR),y) CMN_ASRCS += up_exception.S diff --git a/arch/arm/src/sam3u/Make.defs b/arch/arm/src/sam3u/Make.defs index daa1291699..4682ea83d7 100644 --- a/arch/arm/src/sam3u/Make.defs +++ b/arch/arm/src/sam3u/Make.defs @@ -1,7 +1,7 @@ ############################################################################ # arch/arm/src/sam3u/Make.defs # -# Copyright (C) 2009-2011 Gregory Nutt. All rights reserved. +# Copyright (C) 2009-2011, 2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without @@ -39,14 +39,15 @@ HEAD_ASRC = sam3u_vectors.S # Common ARM and Cortex-M3 files -CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_switchcontext.S +CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_switchcontext.S \ + up_vfork.S CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c up_createstack.c \ up_mdelay.c up_udelay.c up_exit.c up_idle.c up_initialize.c \ up_initialstate.c up_interruptcontext.c up_memfault.c up_modifyreg8.c \ up_modifyreg16.c up_modifyreg32.c up_releasepending.c \ up_releasestack.c up_reprioritizertr.c up_schedulesigaction.c \ up_sigdeliver.c up_unblocktask.c up_usestack.c up_doirq.c \ - up_hardfault.c up_svcall.c + up_hardfault.c up_svcall.c up__vfork.c # Configuration-dependent common files diff --git a/arch/arm/src/stm32/Make.defs b/arch/arm/src/stm32/Make.defs index 1e6c0c4010..89c2917918 100644 --- a/arch/arm/src/stm32/Make.defs +++ b/arch/arm/src/stm32/Make.defs @@ -1,7 +1,7 @@ ############################################################################ # arch/arm/src/stm32/Make.defs # -# Copyright (C) 2009, 2011-2012 Gregory Nutt. All rights reserved. +# Copyright (C) 2009, 2011-2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without @@ -39,14 +39,16 @@ else HEAD_ASRC = stm32_vectors.S endif -CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_switchcontext.S +CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_switchcontext.S \ + up_vfork.S CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c \ up_createstack.c up_mdelay.c up_udelay.c up_exit.c \ up_initialize.c up_initialstate.c up_interruptcontext.c \ up_memfault.c up_modifyreg8.c up_modifyreg16.c up_modifyreg32.c \ up_releasepending.c up_releasestack.c up_reprioritizertr.c \ up_schedulesigaction.c up_sigdeliver.c up_systemreset.c \ - up_unblocktask.c up_usestack.c up_doirq.c up_hardfault.c up_svcall.c + up_unblocktask.c up_usestack.c up_doirq.c up_hardfault.c \ + up_svcall.c up__vfork.c ifeq ($(CONFIG_ARMV7M_CMNVECTOR),y) CMN_ASRCS += up_exception.S diff --git a/arch/arm/src/str71x/Make.defs b/arch/arm/src/str71x/Make.defs index 32eaddcdb8..3612950a67 100644 --- a/arch/arm/src/str71x/Make.defs +++ b/arch/arm/src/str71x/Make.defs @@ -1,7 +1,7 @@ ############################################################################## # arch/arm/src/str71x/Make.defs # -# Copyright (C) 2008 Gregory Nutt. All rights reserved. +# Copyright (C) 2008, 2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without @@ -35,13 +35,14 @@ HEAD_ASRC = str71x_head.S -CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_vectors.S +CMN_ASRCS = up_saveusercontext.S up_fullcontextrestore.S up_vectors.S \ + up_vfork.S CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \ - up_createstack.c up_dataabort.c up_mdelay.c up_udelay.c \ - up_exit.c up_idle.c up_initialize.c up_initialstate.c \ - up_interruptcontext.c up_prefetchabort.c up_releasepending.c \ - up_releasestack.c up_reprioritizertr.c up_syscall.c up_unblocktask.c \ - up_undefinedinsn.c up_usestack.c up_lowputs.c + up_createstack.c up_dataabort.c up_mdelay.c up_udelay.c \ + up_exit.c up_idle.c up_initialize.c up_initialstate.c \ + up_interruptcontext.c up_prefetchabort.c up_releasepending.c \ + up_releasestack.c up_reprioritizertr.c up_syscall.c up_unblocktask.c \ + up_undefinedinsn.c up_usestack.c up_lowputs.c up__vfork.c ifneq ($(CONFIG_DISABLE_SIGNALS),y) CMN_CSRCS += up_schedulesigaction.c up_sigdeliver.c