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27 lines
708 B
C
27 lines
708 B
C
#ifndef __ARM_MESSAGE_H__
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#define __ARM_MESSAGE_H__
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#include <l4lib/types.h>
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#include <l4lib/arch/utcb.h>
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/* Functions to read/write utcb registers */
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static inline unsigned int read_mr(int offset)
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{
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return __L4_ARM_Utcb()->mr[offset];
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}
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static inline void write_mr(unsigned int offset, unsigned int val)
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{
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__L4_ARM_Utcb()->mr[offset] = val;
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}
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/* Tag definitions */
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#define L4_TAG_PFLAG (1 << 12) /* Propagation */
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#define L4_TAG_NFLAG (1 << 13) /* Notify */
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#define L4_TAG_RFLAG (1 << 14) /* Block-on-receive */
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#define L4_TAG_SFLAG (1 << 15) /* Block-on-send */
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#define L4_TAG_XFLAG (1 << 14) /* Crosscall (inter-cpu ipc) */
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#define L4_TAG_EFLAG (1 << 15) /* Error */
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#endif /* __ARM_MESSAGE_H__ */
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