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-rw-r--r--include/asm-sparc/asmmacro.h45
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diff --git a/include/asm-sparc/asmmacro.h b/include/asm-sparc/asmmacro.h
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--- a/include/asm-sparc/asmmacro.h
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1/* asmmacro.h: Assembler macros.
2 *
3 * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu)
4 */
5
6#ifndef _SPARC_ASMMACRO_H
7#define _SPARC_ASMMACRO_H
8
9#include <asm/btfixup.h>
10#include <asm/asi.h>
11
12#define GET_PROCESSOR4M_ID(reg) \
13 rd %tbr, %reg; \
14 srl %reg, 12, %reg; \
15 and %reg, 3, %reg;
16
17#define GET_PROCESSOR4D_ID(reg) \
18 lda [%g0] ASI_M_VIKING_TMP1, %reg;
19
20/* All trap entry points _must_ begin with this macro or else you
21 * lose. It makes sure the kernel has a proper window so that
22 * c-code can be called.
23 */
24#define SAVE_ALL_HEAD \
25 sethi %hi(trap_setup), %l4; \
26 jmpl %l4 + %lo(trap_setup), %l6;
27#define SAVE_ALL \
28 SAVE_ALL_HEAD \
29 nop;
30
31/* All traps low-level code here must end with this macro. */
32#define RESTORE_ALL b ret_trap_entry; clr %l6;
33
34/* sun4 probably wants half word accesses to ASI_SEGMAP, while sun4c+
35 likes byte accesses. These are to avoid ifdef mania. */
36
37#ifdef CONFIG_SUN4
38#define lduXa lduha
39#define stXa stha
40#else
41#define lduXa lduba
42#define stXa stba
43#endif
44
45#endif /* !(_SPARC_ASMMACRO_H) */