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 * context_save() and context_restore() are both leaf procedures.
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 * context_save() and context_restore() are both leaf procedures.
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 * No need to allocate scratch area.
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 * No need to allocate scratch area.
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 */
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 */
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#define SP_DELTA    0
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#define SP_DELTA    0
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#ifdef context_set
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#undef context_set
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#endif
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#define context_set(c, _pc, stack, size)    \
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    (c)->pc = (__address) _pc;      \
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    (c)->bsp = (__address) stack;       \
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    (c)->sp = ((__address) stack) + (size) - SP_DELTA;
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struct context {
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struct context {
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    /*
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    /*
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     * Application registers
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     * Application registers
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     */
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     */
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    __u64 ar_pfs;
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    __u64 ar_pfs;
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    __u64 ar_unat_caller;
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    __u64 ar_unat_caller;
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    __u64 ar_unat_callee;
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    __u64 ar_unat_callee;
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    __u64 ar_rsc;
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    __u64 ar_rsc;
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    __u64 ar_bsp;
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    __u64 bsp;  /* ar_bsp */
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    __u64 ar_rnat;
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    __u64 ar_rnat;
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    __u64 ar_lc;
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    __u64 ar_lc;
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    __u64 ar_ec;
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    __u64 ar_ec;
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    __u64 ar_ccv;
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    __u64 ar_ccv;
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    __u64 ar_csd;
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    __u64 ar_csd;