diff options
Diffstat (limited to '')
| -rw-r--r-- | rtl/core/decode/ldst/misc.sv | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/rtl/core/decode/ldst/misc.sv b/rtl/core/decode/ldst/misc.sv new file mode 100644 index 0000000..de2428f --- /dev/null +++ b/rtl/core/decode/ldst/misc.sv @@ -0,0 +1,28 @@ +`include "core/isa.sv" +`include "core/uarch.sv" + +module core_decode_ldst_misc +( + input word insn, + + output ldst_decode decode +); + + logic p, w; + + assign decode.rn = insn `FIELD_LDST_MISC_RN; + assign decode.rd = insn `FIELD_LDST_MISC_RD; + assign decode.size = insn `FIELD_LDST_MISC_H ? LDST_HALF : LDST_BYTE; + assign decode.load = insn `FIELD_LDST_LD; + assign decode.increment = insn `FIELD_LDST_MISC_U; + assign decode.writeback = !p || w; + assign decode.sign_extend = insn `FIELD_LDST_MISC_S; + assign decode.pre_indexed = p && w; + assign decode.unprivileged = 0; + assign decode.user_regs = 0; + assign decode.reg_list = 16'b0; + + assign p = insn `FIELD_LDST_MISC_P; + assign w = insn `FIELD_LDST_MISC_W; + +endmodule |
