diff options
author | patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679> | 2011-03-29 00:07:02 +0000 |
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committer | patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679> | 2011-03-29 00:07:02 +0000 |
commit | 5b2b2a609f2748a188c11f845faedbefea7866e7 (patch) | |
tree | 82bf5b0e6e26f447eedb4044500a97a0108f4572 /nuttx/arch/arm/include/arm/irq.h | |
parent | 5da709c514b7fece0eaaa30e9998751abdbb8334 (diff) |
Moving toward system call infrastructure
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@3435 7fd9a85b-ad96-42d3-883c-3090e2eb8679
Diffstat (limited to 'nuttx/arch/arm/include/arm/irq.h')
-rw-r--r-- | nuttx/arch/arm/include/arm/irq.h | 47 |
1 files changed, 43 insertions, 4 deletions
diff --git a/nuttx/arch/arm/include/arm/irq.h b/nuttx/arch/arm/include/arm/irq.h index 65ccd13563..befc1218b2 100644 --- a/nuttx/arch/arm/include/arm/irq.h +++ b/nuttx/arch/arm/include/arm/irq.h @@ -1,7 +1,7 @@ /**************************************************************************** * arch/arm/include/arm/irq.h * - * Copyright (C) 2009-2010 Gregory Nutt. All rights reserved. + * Copyright (C) 2009-2011 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> * * Redistribution and use in source and binary forms, with or without @@ -204,8 +204,46 @@ static inline void irqrestore(irqstate_t flags) : "memory"); } -static inline void system_call(swint_t func, int parm1, - int parm2, int parm3) +static inline void system_call0(unsigned int nbr) +{ + __asm__ __volatile__ + ( + "mov\tr0,%0\n\t" + "swi\t0x900001\n\t" + : + : "r" ((long)(nbr)) + : "r0", "lr"); +} + +static inline void system_call1(unsigned int nbr, uintptr_t parm1) +{ + __asm__ __volatile__ + ( + "mov\tr0,%0\n\t" + "mov\tr1,%1\n\t" + "swi\t0x900001\n\t" + : + : "r" ((long)(nbr)), "r" ((long)(parm1)) + : "r0", "r1", "lr"); +} + +static inline void system_call2(unsigned int nbr, uintptr_t parm1, + uintptr_t parm2) +{ + __asm__ __volatile__ + ( + "mov\tr0,%0\n\t" + "mov\tr1,%1\n\t" + "mov\tr2,%2\n\t" + "swi\t0x900001\n\t" + : + : "r" ((long)(nbr)), "r" ((long)(parm1)), + "r" ((long)(parm2)) + : "r0", "r1", "r2", "lr"); +} + +static inline void system_call3(unsigned int nbr, uintptr_t parm1, + uintptr_t parm2, uintptr_t parm3) { __asm__ __volatile__ ( @@ -215,10 +253,11 @@ static inline void system_call(swint_t func, int parm1, "mov\tr3,%3\n\t" "swi\t0x900001\n\t" : - : "r" ((long)(func)), "r" ((long)(parm1)), + : "r" ((long)(nbr)), "r" ((long)(parm1)), "r" ((long)(parm2)), "r" ((long)(parm3)) : "r0", "r1", "r2", "r3", "lr"); } + #endif /* __ASSEMBLY__ */ /**************************************************************************** |