Warning: That file was not part of the compilation database. It may have many parsing errors.

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) */
82

Warning: That file was not part of the compilation database. It may have many parsing errors.

source code of linux/arch/sparc/include/asm/head_64.h