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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-06 19:56:32 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-06 19:56:32 +0000 |
| commit | 7c2ea5a1a560284b6d22a60d62ac943ec6144096 (patch) | |
| tree | 8d1191e3b5fe5cb9f0fe1319d45648d859060cae /nuttx/arch/arm/src/armv7-m/svcall.h | |
| parent | 9e9de3d19ebf1890bfccd0bf63fa0209e2ec9359 (diff) | |
| download | px4-nuttx-7c2ea5a1a560284b6d22a60d62ac943ec6144096.tar.gz px4-nuttx-7c2ea5a1a560284b6d22a60d62ac943ec6144096.tar.bz2 px4-nuttx-7c2ea5a1a560284b6d22a60d62ac943ec6144096.zip | |
Fix some bad syscall dispatching log. This change is not testable until these is a tested NuttX kernel build.
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5713 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/armv7-m/svcall.h')
| -rw-r--r-- | nuttx/arch/arm/src/armv7-m/svcall.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/nuttx/arch/arm/src/armv7-m/svcall.h b/nuttx/arch/arm/src/armv7-m/svcall.h index 675829799..13b9935a0 100644 --- a/nuttx/arch/arm/src/armv7-m/svcall.h +++ b/nuttx/arch/arm/src/armv7-m/svcall.h @@ -1,7 +1,7 @@ /************************************************************************************ * arch/arm/src/armv7-m/svcall.h * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Copyright (C) 2011, 2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -51,15 +51,15 @@ ************************************************************************************/ /* Configuration ********************************************************************/ -/* This logic uses three system calls {0,1,2} for context switching. The first three - * syscall values must be reserved. +/* This logic uses three system calls {0,1,2} for context switching and one for the + * syscall return. The first four syscall values must be reserved. */ #ifdef CONFIG_NUTTX_KERNEL # ifndef CONFIG_SYS_RESERVED -# error "CONFIG_SYS_RESERVED must be defined to the value 3" -# elif CONFIG_SYS_RESERVED != 3 -# error "CONFIG_SYS_RESERVED must have the value 3" +# error "CONFIG_SYS_RESERVED must be defined to the value 4" +# elif CONFIG_SYS_RESERVED != 4 +# error "CONFIG_SYS_RESERVED must have the value 4" # endif #endif @@ -86,6 +86,15 @@ #define SYS_switch_context (2) +#ifdef CONFIG_NUTTX_KERNEL +/* SYS call 3: + * + * void up_syscall_return(void); + */ + +#define SYS_syscall_return (3) +#endif + /************************************************************************************ * Inline Functions ************************************************************************************/ |