/* cif.S: PROM entry/exit assembler trampolines. * * Copyright (C) 1996, 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) * Copyright (C) 2005, 2006 David S. Miller <davem@davemloft.net> */ #include <asm/pstate.h> #include <asm/cpudata.h> #include <asm/thread_info.h> .text .globl prom_cif_interface prom_cif_interface: sethi %hi(p1275buf), %o0 or %o0, %lo(p1275buf), %o0 ldx [%o0 + 0x010], %o1 ! prom_cif_stack save %o1, -192, %sp ldx [%i0 + 0x008], %l2 ! prom_cif_handler mov %g4, %l0 mov %g5, %l1 mov %g6, %l3 call %l2 add %i0, 0x018, %o0 ! prom_args mov %l0, %g4 mov %l1, %g5 mov %l3, %g6 ret restore .globl prom_cif_callback prom_cif_callback: sethi %hi(p1275buf), %o1 or %o1, %lo(p1275buf), %o1 save %sp, -192, %sp TRAP_LOAD_THREAD_REG(%g6, %g1) LOAD_PER_CPU_BASE(%g5, %g6, %g4, %g3, %o0) ldx [%g6 + TI_TASK], %g4 call prom_world mov 0, %o0 ldx [%i1 + 0x000], %l2 call %l2 mov %i0, %o0 mov %o0, %l1 call prom_world mov 1, %o0 ret restore %l1, 0, %o0