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https://github.com/drasko/codezero.git
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7a81db8782
Added setting of utcb address to l4_thread_control. This is going to be moved to exchange_registers() since we need to pass both the utcb physical and virtual address and exregs fits such context modification better than thread_control.
25 lines
782 B
C
25 lines
782 B
C
/*
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* Userspace thread control block
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*
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* Copyright (C) 2007 Bahadir Balban
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*/
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#ifndef __GLUE_ARM_MESSAGE_H__
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#define __GLUE_ARM_MESSAGE_H__
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#define MR_REST 56
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#define MR_TOTAL 6
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#define MR_TAG 0 /* Contains the purpose of message */
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#define MR_SENDER 1 /* For anythread receivers to discover sender */
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#define MR_RETURN 0 /* Contains the posix return value. */
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/* These define the mr start - end range that isn't used by userspace syslib */
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#define MR_UNUSED_START 2 /* The first mr that's not used by syslib.h */
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#define MR_UNUSED_TOTAL (MR_TOTAL - MR_UNUSED_START)
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#define MR_USABLE_TOTAL MR_UNUSED_TOTAL
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/* These are defined so that we don't hard-code register names */
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#define MR0_REGISTER r3
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#define MR_RETURN_REGISTER r3
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#endif /* __GLUE_ARM_MESSAGE_H__ */
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