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| author | Bastian Koppelmann <kbastian@mail.uni-paderborn.de> | 2015-05-07 19:55:37 +0200 |
|---|---|---|
| committer | Bastian Koppelmann <kbastian@mail.uni-paderborn.de> | 2015-05-22 17:02:33 +0200 |
| commit | e5c96c82bc529674b61eacd221734abc2674e264 (patch) | |
| tree | 1f868a6fbb25d9bf931752028c2afdac97cb4d8c /target-tricore/op_helper.c | |
| parent | ddd8cebe3106bdfb2681d8d283296199fd6c7417 (diff) | |
| download | qemu-e5c96c82bc529674b61eacd221734abc2674e264.tar.gz | |
target-tricore: add RR_CRC32 instruction of the v1.6.1 ISA
This instruction was introduced by the new Aurix platform.
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-tricore/op_helper.c')
| -rw-r--r-- | target-tricore/op_helper.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/target-tricore/op_helper.c b/target-tricore/op_helper.c index 9919b5b17b..7aa1f8e40e 100644 --- a/target-tricore/op_helper.c +++ b/target-tricore/op_helper.c @@ -19,6 +19,7 @@ #include "qemu/host-utils.h" #include "exec/helper-proto.h" #include "exec/cpu_ldst.h" +#include <zlib.h> /* for crc32 */ /* Addressing mode helper */ @@ -2165,6 +2166,16 @@ uint32_t helper_mulr_h(uint32_t arg00, uint32_t arg01, return (result1 & 0xffff0000) | (result0 >> 16); } +uint32_t helper_crc32(uint32_t arg0, uint32_t arg1) +{ + uint8_t buf[4]; + uint32_t ret; + stl_be_p(buf, arg0); + + ret = crc32(arg1, buf, 4); + return ret; +} + /* context save area (CSA) related helpers */ static int cdc_increment(target_ulong *psw) |