1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _SPARC64_HEAD_H
 3#define _SPARC64_HEAD_H
 4
 5#include <asm/pstate.h>
 6
 7	/* wrpr	%g0, val, %gl */
 8#define SET_GL(val)	\
 9	.word	0xa1902000 | val
10
11	/* rdpr %gl, %gN */
12#define GET_GL_GLOBAL(N)	\
13	.word	0x81540000 | (N << 25)
14
15#define KERNBASE	0x400000
16
17#define	PTREGS_OFF	(STACK_BIAS + STACKFRAME_SZ)
18
19#define	RTRAP_PSTATE		(PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_IE)
20#define	RTRAP_PSTATE_IRQOFF	(PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV)
21#define RTRAP_PSTATE_AG_IRQOFF	(PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_AG)
22
23#define __CHEETAH_ID	0x003e0014
24#define __JALAPENO_ID	0x003e0016
25#define __SERRANO_ID	0x003e0022
26
27#define CHEETAH_MANUF		0x003e
28#define CHEETAH_IMPL		0x0014 /* Ultra-III   */
29#define CHEETAH_PLUS_IMPL	0x0015 /* Ultra-III+  */
30#define JALAPENO_IMPL		0x0016 /* Ultra-IIIi  */
31#define JAGUAR_IMPL		0x0018 /* Ultra-IV    */
32#define PANTHER_IMPL		0x0019 /* Ultra-IV+   */
33#define SERRANO_IMPL		0x0022 /* Ultra-IIIi+ */
34
35#define BRANCH_IF_SUN4V(tmp1,label)		\
36	sethi	%hi(is_sun4v), %tmp1;		\
37	lduw	[%tmp1 + %lo(is_sun4v)], %tmp1; \
38	brnz,pn	%tmp1, label;			\
39	 nop
40
41#define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label)	\
42	rdpr	%ver, %tmp1;			\
43	sethi	%hi(__CHEETAH_ID), %tmp2;	\
44	srlx	%tmp1, 32, %tmp1;		\
45	or	%tmp2, %lo(__CHEETAH_ID), %tmp2;\
46	cmp	%tmp1, %tmp2;			\
47	be,pn	%icc, label;			\
48	 nop;
49
50#define BRANCH_IF_JALAPENO(tmp1,tmp2,label)	\
51	rdpr	%ver, %tmp1;			\
52	sethi	%hi(__JALAPENO_ID), %tmp2;	\
53	srlx	%tmp1, 32, %tmp1;		\
54	or	%tmp2, %lo(__JALAPENO_ID), %tmp2;\
55	cmp	%tmp1, %tmp2;			\
56	be,pn	%icc, label;			\
57	 nop;
58
59#define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label)	\
60	rdpr	%ver, %tmp1;			\
61	srlx	%tmp1, (32 + 16), %tmp2;	\
62	cmp	%tmp2, CHEETAH_MANUF;		\
63	bne,pt	%xcc, 99f;			\
64	 sllx	%tmp1, 16, %tmp1;		\
65	srlx	%tmp1, (32 + 16), %tmp2;	\
66	cmp	%tmp2, CHEETAH_PLUS_IMPL;	\
67	bgeu,pt	%xcc, label;			\
6899:	 nop;
69
70#define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label)	\
71	rdpr	%ver, %tmp1;			\
72	srlx	%tmp1, (32 + 16), %tmp2;	\
73	cmp	%tmp2, CHEETAH_MANUF;		\
74	bne,pt	%xcc, 99f;			\
75	 sllx	%tmp1, 16, %tmp1;		\
76	srlx	%tmp1, (32 + 16), %tmp2;	\
77	cmp	%tmp2, CHEETAH_IMPL;		\
78	bgeu,pt	%xcc, label;			\
7999:	 nop;
80
81#endif /* !(_SPARC64_HEAD_H) */

 
 1#ifndef _SPARC64_HEAD_H
 2#define _SPARC64_HEAD_H
 3
 4#include <asm/pstate.h>
 5
 6	/* wrpr	%g0, val, %gl */
 7#define SET_GL(val)	\
 8	.word	0xa1902000 | val
 9
10	/* rdpr %gl, %gN */
11#define GET_GL_GLOBAL(N)	\
12	.word	0x81540000 | (N << 25)
13
14#define KERNBASE	0x400000
15
16#define	PTREGS_OFF	(STACK_BIAS + STACKFRAME_SZ)
17
18#define	RTRAP_PSTATE		(PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_IE)
19#define	RTRAP_PSTATE_IRQOFF	(PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV)
20#define RTRAP_PSTATE_AG_IRQOFF	(PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_AG)
21
22#define __CHEETAH_ID	0x003e0014
23#define __JALAPENO_ID	0x003e0016
24#define __SERRANO_ID	0x003e0022
25
26#define CHEETAH_MANUF		0x003e
27#define CHEETAH_IMPL		0x0014 /* Ultra-III   */
28#define CHEETAH_PLUS_IMPL	0x0015 /* Ultra-III+  */
29#define JALAPENO_IMPL		0x0016 /* Ultra-IIIi  */
30#define JAGUAR_IMPL		0x0018 /* Ultra-IV    */
31#define PANTHER_IMPL		0x0019 /* Ultra-IV+   */
32#define SERRANO_IMPL		0x0022 /* Ultra-IIIi+ */
33
34#define BRANCH_IF_SUN4V(tmp1,label)		\
35	sethi	%hi(is_sun4v), %tmp1;		\
36	lduw	[%tmp1 + %lo(is_sun4v)], %tmp1; \
37	brnz,pn	%tmp1, label;			\
38	 nop
39
40#define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label)	\
41	rdpr	%ver, %tmp1;			\
42	sethi	%hi(__CHEETAH_ID), %tmp2;	\
43	srlx	%tmp1, 32, %tmp1;		\
44	or	%tmp2, %lo(__CHEETAH_ID), %tmp2;\
45	cmp	%tmp1, %tmp2;			\
46	be,pn	%icc, label;			\
47	 nop;
48
49#define BRANCH_IF_JALAPENO(tmp1,tmp2,label)	\
50	rdpr	%ver, %tmp1;			\
51	sethi	%hi(__JALAPENO_ID), %tmp2;	\
52	srlx	%tmp1, 32, %tmp1;		\
53	or	%tmp2, %lo(__JALAPENO_ID), %tmp2;\
54	cmp	%tmp1, %tmp2;			\
55	be,pn	%icc, label;			\
56	 nop;
57
58#define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label)	\
59	rdpr	%ver, %tmp1;			\
60	srlx	%tmp1, (32 + 16), %tmp2;	\
61	cmp	%tmp2, CHEETAH_MANUF;		\
62	bne,pt	%xcc, 99f;			\
63	 sllx	%tmp1, 16, %tmp1;		\
64	srlx	%tmp1, (32 + 16), %tmp2;	\
65	cmp	%tmp2, CHEETAH_PLUS_IMPL;	\
66	bgeu,pt	%xcc, label;			\
6799:	 nop;
68
69#define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label)	\
70	rdpr	%ver, %tmp1;			\
71	srlx	%tmp1, (32 + 16), %tmp2;	\
72	cmp	%tmp2, CHEETAH_MANUF;		\
73	bne,pt	%xcc, 99f;			\
74	 sllx	%tmp1, 16, %tmp1;		\
75	srlx	%tmp1, (32 + 16), %tmp2;	\
76	cmp	%tmp2, CHEETAH_IMPL;		\
77	bgeu,pt	%xcc, label;			\
7899:	 nop;
79
80#endif /* !(_SPARC64_HEAD_H) */