diff options
Diffstat (limited to 'target/mips/tcg/op_helper.c')
| -rw-r--r-- | target/mips/tcg/op_helper.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/mips/tcg/op_helper.c b/target/mips/tcg/op_helper.c index b906d10204..4502ae2b5b 100644 --- a/target/mips/tcg/op_helper.c +++ b/target/mips/tcg/op_helper.c @@ -24,6 +24,8 @@ #include "exec/helper-proto.h" #include "exec/memop.h" #include "fpu_helper.h" +#include "qemu/crc32c.h" +#include <zlib.h> static inline target_ulong bitswap(target_ulong v) { @@ -142,6 +144,30 @@ target_ulong helper_rotx(target_ulong rs, uint32_t shift, uint32_t shiftx, return (int64_t)(int32_t)(uint32_t)tmp5; } +/* these crc32 functions are based on target/loongarch/tcg/op_helper.c */ +target_ulong helper_crc32(target_ulong val, target_ulong m, uint32_t sz) +{ + uint8_t buf[8]; + target_ulong mask = ((sz * 8) == 64) ? + (target_ulong) -1ULL : + ((1ULL << (sz * 8)) - 1); + + m &= mask; + stq_le_p(buf, m); + return (int32_t) (crc32(val ^ 0xffffffff, buf, sz) ^ 0xffffffff); +} + +target_ulong helper_crc32c(target_ulong val, target_ulong m, uint32_t sz) +{ + uint8_t buf[8]; + target_ulong mask = ((sz * 8) == 64) ? + (target_ulong) -1ULL : + ((1ULL << (sz * 8)) - 1); + m &= mask; + stq_le_p(buf, m); + return (int32_t) (crc32c(val, buf, sz) ^ 0xffffffff); +} + void helper_fork(target_ulong arg1, target_ulong arg2) { /* |