/* SPDX-License-Identifier: GPL-2.0 */
/* 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_direct
prom_cif_direct:
        save    %sp, -192, %sp
        sethi   %hi(p1275buf), %o1
        or      %o1, %lo(p1275buf), %o1
        ldx     [%o1 + 0x0008], %l2     ! prom_cif_handler
        mov     %g4, %l0
        mov     %g5, %l1
        mov     %g6, %l3
        call    %l2
         mov    %i0, %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