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Filename/usr/src/linux-headers-3.13.0-24/arch/sparc/include/asm/head_64.h
Size1.89 kb
Permissionrw-r--r--
Ownerroot : root
Create time27-Apr-2025 09:50
Last modified20-Jan-2014 10:40
Last accessed27-Apr-2025 09:50
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#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 __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) */