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>
82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _SPARC64_HEAD_H
|
|
#define _SPARC64_HEAD_H
|
|
|
|
#include <asm/pstate.h>
|
|
|
|
/* wrpr %g0, val, %gl */
|
|
#define SET_GL(val) \
|
|
.word 0xa1902000 | val
|
|
|
|
/* rdpr %gl, %gN */
|
|
#define GET_GL_GLOBAL(N) \
|
|
.word 0x81540000 | (N << 25)
|
|
|
|
#define KERNBASE 0x400000
|
|
|
|
#define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ)
|
|
|
|
#define RTRAP_PSTATE (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_IE)
|
|
#define RTRAP_PSTATE_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV)
|
|
#define RTRAP_PSTATE_AG_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_AG)
|
|
|
|
#define __CHEETAH_ID 0x003e0014
|
|
#define __JALAPENO_ID 0x003e0016
|
|
#define __SERRANO_ID 0x003e0022
|
|
|
|
#define CHEETAH_MANUF 0x003e
|
|
#define CHEETAH_IMPL 0x0014 /* Ultra-III */
|
|
#define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */
|
|
#define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */
|
|
#define JAGUAR_IMPL 0x0018 /* Ultra-IV */
|
|
#define PANTHER_IMPL 0x0019 /* Ultra-IV+ */
|
|
#define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */
|
|
|
|
#define BRANCH_IF_SUN4V(tmp1,label) \
|
|
sethi %hi(is_sun4v), %tmp1; \
|
|
lduw [%tmp1 + %lo(is_sun4v)], %tmp1; \
|
|
brnz,pn %tmp1, label; \
|
|
nop
|
|
|
|
#define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \
|
|
rdpr %ver, %tmp1; \
|
|
sethi %hi(__CHEETAH_ID), %tmp2; \
|
|
srlx %tmp1, 32, %tmp1; \
|
|
or %tmp2, %lo(__CHEETAH_ID), %tmp2;\
|
|
cmp %tmp1, %tmp2; \
|
|
be,pn %icc, label; \
|
|
nop;
|
|
|
|
#define BRANCH_IF_JALAPENO(tmp1,tmp2,label) \
|
|
rdpr %ver, %tmp1; \
|
|
sethi %hi(__JALAPENO_ID), %tmp2; \
|
|
srlx %tmp1, 32, %tmp1; \
|
|
or %tmp2, %lo(__JALAPENO_ID), %tmp2;\
|
|
cmp %tmp1, %tmp2; \
|
|
be,pn %icc, label; \
|
|
nop;
|
|
|
|
#define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label) \
|
|
rdpr %ver, %tmp1; \
|
|
srlx %tmp1, (32 + 16), %tmp2; \
|
|
cmp %tmp2, CHEETAH_MANUF; \
|
|
bne,pt %xcc, 99f; \
|
|
sllx %tmp1, 16, %tmp1; \
|
|
srlx %tmp1, (32 + 16), %tmp2; \
|
|
cmp %tmp2, CHEETAH_PLUS_IMPL; \
|
|
bgeu,pt %xcc, label; \
|
|
99: nop;
|
|
|
|
#define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label) \
|
|
rdpr %ver, %tmp1; \
|
|
srlx %tmp1, (32 + 16), %tmp2; \
|
|
cmp %tmp2, CHEETAH_MANUF; \
|
|
bne,pt %xcc, 99f; \
|
|
sllx %tmp1, 16, %tmp1; \
|
|
srlx %tmp1, (32 + 16), %tmp2; \
|
|
cmp %tmp2, CHEETAH_IMPL; \
|
|
bgeu,pt %xcc, label; \
|
|
99: nop;
|
|
|
|
#endif /* !(_SPARC64_HEAD_H) */
|