migrate Zicsr-Extension opcodes

- renamed the variable imm12 to csr to match the latex-table entries.
YenHaoChen · Apr 8, 2022 · cf2bef3 · cf2bef3
1 parent cc1bc44
commit cf2bef3
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diff --git a/opcodes-system b/opcodes-system
@@ -1,14 +1,6 @@
 # SYSTEM
-ecall     11..7=0 19..15=0 31..20=0x000 14..12=0 6..2=0x1C 1..0=3
-ebreak    11..7=0 19..15=0 31..20=0x001 14..12=0 6..2=0x1C 1..0=3
 sret      11..7=0 19..15=0 31..20=0x102 14..12=0 6..2=0x1C 1..0=3
 mret      11..7=0 19..15=0 31..20=0x302 14..12=0 6..2=0x1C 1..0=3
 dret      11..7=0 19..15=0 31..20=0x7b2 14..12=0 6..2=0x1C 1..0=3
 sfence.vma 11..7=0 rs1 rs2 31..25=0x09  14..12=0 6..2=0x1C 1..0=3
 wfi       11..7=0 19..15=0 31..20=0x105 14..12=0 6..2=0x1C 1..0=3
-csrrw     rd      rs1      imm12        14..12=1 6..2=0x1C 1..0=3
-csrrs     rd      rs1      imm12        14..12=2 6..2=0x1C 1..0=3
-csrrc     rd      rs1      imm12        14..12=3 6..2=0x1C 1..0=3
-csrrwi    rd      rs1      imm12        14..12=5 6..2=0x1C 1..0=3
-csrrsi    rd      rs1      imm12        14..12=6 6..2=0x1C 1..0=3
-csrrci    rd      rs1      imm12        14..12=7 6..2=0x1C 1..0=3
diff --git a/rv_zicsr b/rv_zicsr
@@ -0,0 +1,7 @@
+csrrw     rd rs1 csr 14..12=1 6..2=0x1C 1..0=3
+csrrs     rd rs1 csr        14..12=2 6..2=0x1C 1..0=3
+csrrc     rd rs1 csr        14..12=3 6..2=0x1C 1..0=3
+csrrwi    rd csr zimm       14..12=5 6..2=0x1C 1..0=3
+csrrsi    rd csr zimm       14..12=6 6..2=0x1C 1..0=3
+csrrci    rd csr zimm       14..12=7 6..2=0x1C 1..0=3
+