source: mainline/uspace/lib/c/arch/ia64/src/entryjmp.S

#
# Copyright (c) 2008 Jiri Svoboda
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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#include <abi/asmtool.h>

.text
.explicit

## void entry_point_jmp(void *entry_point, void *pcb);
#
# in0 (r32)     contains entry_point
# in1 (r33)     contains pcb
#
# Jump to program entry point
SYMBOL(entry_point_jmp)
        # Pass pcb to the entry point in r2

        mov b6 = r32
        mov r2 = r33 ;;
        br b6 ;;