mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
1.8 KiB
96 lines
1.8 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
/* n2_asm.S: Hypervisor calls for NCS support. |
|
* |
|
* Copyright (C) 2009 David S. Miller <davem@davemloft.net> |
|
*/ |
|
|
|
#include <linux/linkage.h> |
|
#include <asm/hypervisor.h> |
|
#include "n2_core.h" |
|
|
|
/* o0: queue type |
|
* o1: RA of queue |
|
* o2: num entries in queue |
|
* o3: address of queue handle return |
|
*/ |
|
ENTRY(sun4v_ncs_qconf) |
|
mov HV_FAST_NCS_QCONF, %o5 |
|
ta HV_FAST_TRAP |
|
stx %o1, [%o3] |
|
retl |
|
nop |
|
ENDPROC(sun4v_ncs_qconf) |
|
|
|
/* %o0: queue handle |
|
* %o1: address of queue type return |
|
* %o2: address of queue base address return |
|
* %o3: address of queue num entries return |
|
*/ |
|
ENTRY(sun4v_ncs_qinfo) |
|
mov %o1, %g1 |
|
mov %o2, %g2 |
|
mov %o3, %g3 |
|
mov HV_FAST_NCS_QINFO, %o5 |
|
ta HV_FAST_TRAP |
|
stx %o1, [%g1] |
|
stx %o2, [%g2] |
|
stx %o3, [%g3] |
|
retl |
|
nop |
|
ENDPROC(sun4v_ncs_qinfo) |
|
|
|
/* %o0: queue handle |
|
* %o1: address of head offset return |
|
*/ |
|
ENTRY(sun4v_ncs_gethead) |
|
mov %o1, %o2 |
|
mov HV_FAST_NCS_GETHEAD, %o5 |
|
ta HV_FAST_TRAP |
|
stx %o1, [%o2] |
|
retl |
|
nop |
|
ENDPROC(sun4v_ncs_gethead) |
|
|
|
/* %o0: queue handle |
|
* %o1: address of tail offset return |
|
*/ |
|
ENTRY(sun4v_ncs_gettail) |
|
mov %o1, %o2 |
|
mov HV_FAST_NCS_GETTAIL, %o5 |
|
ta HV_FAST_TRAP |
|
stx %o1, [%o2] |
|
retl |
|
nop |
|
ENDPROC(sun4v_ncs_gettail) |
|
|
|
/* %o0: queue handle |
|
* %o1: new tail offset |
|
*/ |
|
ENTRY(sun4v_ncs_settail) |
|
mov HV_FAST_NCS_SETTAIL, %o5 |
|
ta HV_FAST_TRAP |
|
retl |
|
nop |
|
ENDPROC(sun4v_ncs_settail) |
|
|
|
/* %o0: queue handle |
|
* %o1: address of devino return |
|
*/ |
|
ENTRY(sun4v_ncs_qhandle_to_devino) |
|
mov %o1, %o2 |
|
mov HV_FAST_NCS_QHANDLE_TO_DEVINO, %o5 |
|
ta HV_FAST_TRAP |
|
stx %o1, [%o2] |
|
retl |
|
nop |
|
ENDPROC(sun4v_ncs_qhandle_to_devino) |
|
|
|
/* %o0: queue handle |
|
* %o1: new head offset |
|
*/ |
|
ENTRY(sun4v_ncs_sethead_marker) |
|
mov HV_FAST_NCS_SETHEAD_MARKER, %o5 |
|
ta HV_FAST_TRAP |
|
retl |
|
nop |
|
ENDPROC(sun4v_ncs_sethead_marker)
|
|
|