| #include <linux/linkage.h> |
| #include <asm/visasm.h> |
| #include <asm/asi.h> |
| |
| #define F3F(x,y,z) (((x)<<30)|((y)<<19)|((z)<<5)) |
| |
| #define FPD_ENCODE(x) (((x) >> 5) | ((x) & ~(0x20))) |
| |
| #define RS1(x) (FPD_ENCODE(x) << 14) |
| #define RS2(x) (FPD_ENCODE(x) << 0) |
| #define RD(x) (FPD_ENCODE(x) << 25) |
| |
| #define CRC32C(a,b,c) \ |
| .word (F3F(2,0x36,0x147)|RS1(a)|RS2(b)|RD(c)); |
| |
| ENTRY(crc32c_sparc64) |
| /* %o0=crc32p, %o1=data_ptr, %o2=len */ |
| VISEntryHalf |
| lda [%o0] ASI_PL, %f1 |
| 1: ldd [%o1], %f2 |
| CRC32C(0,2,0) |
| subcc %o2, 8, %o2 |
| bne,pt %icc, 1b |
| add %o1, 0x8, %o1 |
| sta %f1, [%o0] ASI_PL |
| VISExitHalf |
| 2: retl |
| nop |
| ENDPROC(crc32c_sparc64) |