Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
81 lines
1.5 KiB
ArmAsm
81 lines
1.5 KiB
ArmAsm
/* 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)
|