/* SPDX-License-Identifier: GPL-2.0 */
/* n2-asm.S: Niagara2 RNG hypervisor call assembler.
*
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
*/
#include <linux/linkage.h>
#include <asm/hypervisor.h>
#include
"n2rng.h"
.text
ENTRY(sun4v_rng_get_diag_ctl)
mov HV_FAST_RNG_GET_DIAG_CTL, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_rng_get_diag_ctl)
ENTRY(sun4v_rng_ctl_read_v1)
mov %o1, %o3
mov %o2, %o4
mov HV_FAST_RNG_CTL_READ, %o5
ta HV_FAST_TRAP
stx %o1, [%o3]
retl
stx %o2, [%o4]
ENDPROC(sun4v_rng_ctl_read_v1)
ENTRY(sun4v_rng_ctl_read_v2)
save %sp, -192, %sp
mov %i0, %o0
mov %i1, %o1
mov HV_FAST_RNG_CTL_READ, %o5
ta HV_FAST_TRAP
stx %o1, [%i2]
stx %o2, [%i3]
stx %o3, [%i4]
stx %o4, [%i5]
ret
restore %g0, %o0, %o0
ENDPROC(sun4v_rng_ctl_read_v2)
ENTRY(sun4v_rng_ctl_write_v1)
mov %o3, %o4
mov HV_FAST_RNG_CTL_WRITE, %o5
ta HV_FAST_TRAP
retl
stx %o1, [%o4]
ENDPROC(sun4v_rng_ctl_write_v1)
ENTRY(sun4v_rng_ctl_write_v2)
mov HV_FAST_RNG_CTL_WRITE, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_rng_ctl_write_v2)
ENTRY(sun4v_rng_data_read_diag_v1)
mov %o2, %o4
mov HV_FAST_RNG_DATA_READ_DIAG, %o5
ta HV_FAST_TRAP
retl
stx %o1, [%o4]
ENDPROC(sun4v_rng_data_read_diag_v1)
ENTRY(sun4v_rng_data_read_diag_v2)
mov %o3, %o4
mov HV_FAST_RNG_DATA_READ_DIAG, %o5
ta HV_FAST_TRAP
retl
stx %o1, [%o4]
ENDPROC(sun4v_rng_data_read_diag_v2)
ENTRY(sun4v_rng_data_read)
mov %o1, %o4
mov HV_FAST_RNG_DATA_READ, %o5
ta HV_FAST_TRAP
retl
stx %o1, [%o4]
ENDPROC(sun4v_rng_data_read)
