mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-29 15:43:59 +08:00
ce08715021
With feedback and suggestions from Sam Ravnborg. Signed-off-by: David S. Miller <davem@davemloft.net>
80 lines
1.5 KiB
ArmAsm
80 lines
1.5 KiB
ArmAsm
/* 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)
|