diff options
Diffstat (limited to 'include/asm-sparc/visasm.h')
-rw-r--r-- | include/asm-sparc/visasm.h | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/include/asm-sparc/visasm.h b/include/asm-sparc/visasm.h deleted file mode 100644 index de797b9bf552..000000000000 --- a/include/asm-sparc/visasm.h +++ /dev/null | |||
@@ -1,62 +0,0 @@ | |||
1 | #ifndef _SPARC64_VISASM_H | ||
2 | #define _SPARC64_VISASM_H | ||
3 | |||
4 | /* visasm.h: FPU saving macros for VIS routines | ||
5 | * | ||
6 | * Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz) | ||
7 | */ | ||
8 | |||
9 | #include <asm/pstate.h> | ||
10 | #include <asm/ptrace.h> | ||
11 | |||
12 | /* Clobbers %o5, %g1, %g2, %g3, %g7, %icc, %xcc */ | ||
13 | |||
14 | #define VISEntry \ | ||
15 | rd %fprs, %o5; \ | ||
16 | andcc %o5, (FPRS_FEF|FPRS_DU), %g0; \ | ||
17 | be,pt %icc, 297f; \ | ||
18 | sethi %hi(297f), %g7; \ | ||
19 | sethi %hi(VISenter), %g1; \ | ||
20 | jmpl %g1 + %lo(VISenter), %g0; \ | ||
21 | or %g7, %lo(297f), %g7; \ | ||
22 | 297: wr %g0, FPRS_FEF, %fprs; \ | ||
23 | |||
24 | #define VISExit \ | ||
25 | wr %g0, 0, %fprs; | ||
26 | |||
27 | /* Clobbers %o5, %g1, %g2, %g3, %g7, %icc, %xcc. | ||
28 | * Must preserve %o5 between VISEntryHalf and VISExitHalf */ | ||
29 | |||
30 | #define VISEntryHalf \ | ||
31 | rd %fprs, %o5; \ | ||
32 | andcc %o5, FPRS_FEF, %g0; \ | ||
33 | be,pt %icc, 297f; \ | ||
34 | sethi %hi(298f), %g7; \ | ||
35 | sethi %hi(VISenterhalf), %g1; \ | ||
36 | jmpl %g1 + %lo(VISenterhalf), %g0; \ | ||
37 | or %g7, %lo(298f), %g7; \ | ||
38 | clr %o5; \ | ||
39 | 297: wr %o5, FPRS_FEF, %fprs; \ | ||
40 | 298: | ||
41 | |||
42 | #define VISExitHalf \ | ||
43 | wr %o5, 0, %fprs; | ||
44 | |||
45 | #ifndef __ASSEMBLY__ | ||
46 | static inline void save_and_clear_fpu(void) { | ||
47 | __asm__ __volatile__ ( | ||
48 | " rd %%fprs, %%o5\n" | ||
49 | " andcc %%o5, %0, %%g0\n" | ||
50 | " be,pt %%icc, 299f\n" | ||
51 | " sethi %%hi(298f), %%g7\n" | ||
52 | " sethi %%hi(VISenter), %%g1\n" | ||
53 | " jmpl %%g1 + %%lo(VISenter), %%g0\n" | ||
54 | " or %%g7, %%lo(298f), %%g7\n" | ||
55 | " 298: wr %%g0, 0, %%fprs\n" | ||
56 | " 299:\n" | ||
57 | " " : : "i" (FPRS_FEF|FPRS_DU) : | ||
58 | "o5", "g1", "g2", "g3", "g7", "cc"); | ||
59 | } | ||
60 | #endif | ||
61 | |||
62 | #endif /* _SPARC64_ASI_H */ | ||