fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-sparc / asmmacro.h
bloba619a4d97aaee4b69469bc97159196ee60846089
1 /* asmmacro.h: Assembler macros.
3 * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu)
4 */
6 #ifndef _SPARC_ASMMACRO_H
7 #define _SPARC_ASMMACRO_H
9 #include <asm/btfixup.h>
10 #include <asm/asi.h>
12 #define GET_PROCESSOR4M_ID(reg) \
13 rd %tbr, %reg; \
14 srl %reg, 12, %reg; \
15 and %reg, 3, %reg;
17 #define GET_PROCESSOR4D_ID(reg) \
18 lda [%g0] ASI_M_VIKING_TMP1, %reg;
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.
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;
31 /* All traps low-level code here must end with this macro. */
32 #define RESTORE_ALL b ret_trap_entry; clr %l6;
34 /* sun4 probably wants half word accesses to ASI_SEGMAP, while sun4c+
35 likes byte accesses. These are to avoid ifdef mania. */
37 #ifdef CONFIG_SUN4
38 #define lduXa lduha
39 #define stXa stha
40 #else
41 #define lduXa lduba
42 #define stXa stba
43 #endif
45 #endif /* !(_SPARC_ASMMACRO_H) */