kinda start mips

3 files changed, 605 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..36d8589
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1 @@
+mod data;
diff --git a/src/mips_data.rs b/src/mips_data.rs
new file mode 100644
index 0000000..33c8f41
--- /dev/null
+++ b/src/mips_data.rs
@@ -0,0 +1,561 @@
+struct Instruction {
+    opcode: Opcode,
+    operands: Operands
+}
+
+enum Opcode {
+    DADD
+    DADDI
+    DADDIU
+    DADDU
+    DSUB
+    DSUBU
+    DMULT
+    DMULTU
+    DDIV
+    DDIVU
+
+    ADD
+    ADDU
+    ADDI
+    ADDIU
+    SUB
+    SUBU
+    MULT
+    MULTU
+    DIV
+    DIVU
+
+    NOR
+    AND
+    OR
+    XOR
+    ANDI
+    ORI
+    XORI
+
+    BEQ
+    BEQL
+    BGEZ
+    BGEZAL
+    BGEZALL
+    BGEZL
+    BGTZ
+    BGTZL
+    BLEZ
+    BLEZL
+    BLTZ
+    BLTZAL
+    BLTZALL
+    BLTZL
+    BNE
+    BNEL
+    BREAK
+    COPz
+    DSLL
+    DSLL32
+    DSLLV
+    DSRA
+    DSRA32
+    DSRAV
+    DSRL
+    DSRL32
+    DSRLV
+    J
+    JAL
+    JALR
+    JR
+    LB
+    LBU
+    LD
+    LDCz
+    LDL
+    LDR
+    LH
+    LHU
+    LL
+    LLD
+    LUI
+    LW
+    LWCz
+    LWL
+    LWR
+    LWU
+    MFHI
+    MFLO
+    MOVN
+    MOVZ
+    MTHI
+    MTLO
+    PREF
+    REGIMM
+    SB
+    SC
+    SCD
+    SD
+    SDCz
+    SDL
+    SDR
+    SH
+    SLL
+    SLLV
+    SLT
+    SLTI
+    SLTII
+    SRA
+    SRAV
+    SRL
+    SRLV
+    SW
+    SWCz
+    SWL
+    SWR
+    SYNC
+    SYSCALL
+
+    TEQ
+    TGE
+    TGEU
+    TLT
+    TLTU
+    TNE
+    TEQI
+    TGEI
+    TGEIU
+    TLTI
+    TLTIU
+    TNEI
+}
+
+struct RRR(u32);
+struct RImm(u32);
+struct RRImm(u32);
+
+enum Operands {
+    RRR(RRR),
+    RImm(RImm),
+    RRImm(RRImm),
+    CoProc(u32),
+    Code(u32), // 20-bit number for BREAK or SYSCALL
+    Offset(u32), // J or JAL
+}
+
+// ADD
+// SPECIAL  rs     rt     rd     0      ADD
+// 000000   XXXXX  XXXXX  XXXXX  00000  100000
+//
+// ADDU
+// SPECIAL  rs     rt     rd     0      ADDU
+// 000000   XXXXX  XXXXX  XXXXX  00000  100001
+//
+// AND
+// SPECIAL  rs     rt     rd     0      ADDU
+// 000000   XXXXX  XXXXX  XXXXX  00000  100100
+//
+// ADDI     rs     rt     imm16
+// 001000   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// ADDIU    rs     rt     imm16
+// 001001   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// ANDI     rs     rt     imm16
+// 001100   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// BEQ      rs     rt     imm16
+// 000100   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// BEQL     rs     rt     imm16
+// 010100   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// BGEZ
+// REGIMM   rs     BGEZ   imm16
+// 000001   XXXXX  00001  YYYYYYYYYYYYYYYY
+//
+// BGEZAL
+// REGIMM   rs     BGEZAL imm16
+// 000001   XXXXX  10001  YYYYYYYYYYYYYYYY
+//
+// BGEZALL
+// REGIMM   rs     BGEZALLimm16
+// 000001   XXXXX  10011  YYYYYYYYYYYYYYYY
+//
+// BGEZL
+// REGIMM   rs     BGEZL  imm16
+// 000001   XXXXX  00011  YYYYYYYYYYYYYYYY
+//
+// BGTZ     rs     0      imm16
+// 000111   XXXXX  00000  YYYYYYYYYYYYYYYY
+//
+// BGTZL    rs     0      imm16
+// 010111   XXXXX  00000  YYYYYYYYYYYYYYYY
+//
+// BLEZ     rs     0      imm16
+// 000110   XXXXX  00000  YYYYYYYYYYYYYYYY
+//
+// BLEZL    rs     0      imm16
+// 010110   XXXXX  00000  YYYYYYYYYYYYYYYY
+//
+// BLTZ
+// REGIMM   rs     BLTZ   imm16
+// 000001   XXXXX  00000  YYYYYYYYYYYYYYYY
+//
+// BLTZAL
+// REGIMM   rs     BLTZAL imm16
+// 000001   XXXXX  10000  YYYYYYYYYYYYYYYY
+//
+// BLTZALL
+// REGIMM   rs     BLTZALLimm16
+// 000001   XXXXX  10010  YYYYYYYYYYYYYYYY
+//
+// BLTZL
+// REGIMM   rs     BLTZL  imm16
+// 000001   XXXXX  00010  YYYYYYYYYYYYYYYY
+//
+// BNE      rs     rt     imm16
+// 000101   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// BNEL     rs     rt     imm16
+// 010101   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// BREAK
+// SPECIAL  code                  BREAK
+// 000000   XXXXXXXXXXXXXXXXXXXX  001101
+//
+// COPz     cop_fun
+// 0100zz   XXXXXXXXXXXXXXXXXXXXXXXXXX
+//
+// DADD
+// SPECIAL  rs     rt     rd     0      DADD
+// 000000   XXXXX  XXXXX  XXXXX  00000  101100
+//
+// DADDU
+// SPECIAL  rs     rt     rd     0      DADDU
+// 000000   XXXXX  XXXXX  XXXXX  00000  101101
+//
+// DADDI    rs     rt     imm16
+// 011000   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// DADDIU   rs     rt     imm16
+// 011001   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// DSUB
+// SPECIAL  rs     rt     rd     0      DSUB
+// 000000   XXXXX  XXXXX  XXXXX  00000  101110
+//
+// DSUBU
+// SPECIAL  rs     rt     rd     0      DSUBU
+// 000000   XXXXX  XXXXX  XXXXX  00000  101111
+//
+// DIV
+// SPECIAL  rs     rt     0           DIV
+// 000000   XXXXX  XXXXX  0000000000  011010
+//
+// DIVU
+// SPECIAL  rs     rt     0           DIVU
+// 000000   XXXXX  XXXXX  0000000000  011011
+//
+// DDIV
+// SPECIAL  rs     rt     0           DDIV
+// 000000   XXXXX  XXXXX  0000000000  011110
+//
+// DDIVU
+// SPECIAL  rs     rt     0           DDIVU
+// 000000   XXXXX  XXXXX  0000000000  011111
+//
+// DMULT
+// SPECIAL  rs     rt     0           DMULT
+// 000000   XXXXX  XXXXX  0000000000  011100
+//
+// DMULTU
+// SPECIAL  rs     rt     0           DMULTU
+// 000000   XXXXX  XXXXX  0000000000  011101
+//
+// DSLL
+// SPECIAL  0      rt     rd     sa     DSLL
+// 000000   00000  XXXXX  XXXXX  XXXXX  111000
+//
+// DSLL32
+// SPECIAL  0      rt     rd     sa     DSLL32
+// 000000   00000  XXXXX  XXXXX  XXXXX  111100
+//
+// DSLLV
+// SPECIAL  rs     rt     rd     0      DSLLV
+// 000000   XXXXX  XXXXX  XXXXX  00000  010100
+//
+// DSRA
+// SPECIAL  0      rt     rd     sa     DSRA
+// 000000   00000  XXXXX  XXXXX  XXXXX  111011
+//
+// DSRA32
+// SPECIAL  0      rt     rd     sa     DSRA32
+// 000000   00000  XXXXX  XXXXX  XXXXX  111111
+//
+// DSRAV
+// SPECIAL  rs     rt     rd     0      DSRAV
+// 000000   XXXXX  XXXXX  XXXXX  00000  010111
+//
+// DSRL
+// SPECIAL  0      rt     rd     sa     DSRL
+// 000000   00000  XXXXX  XXXXX  XXXXX  111010
+//
+// DSRL32
+// SPECIAL  0      rt     rd     sa     DSRL32
+// 000000   00000  XXXXX  XXXXX  XXXXX  111110
+//
+// DSRLV
+// SPECIAL  rs     rt     rd     0      DSRLV
+// 000000   XXXXX  XXXXX  XXXXX  00000  010110
+//
+// J        instr_index
+// 000010   XXXXXXXXXXXXXXXXXXXXXXXXXX
+//
+// JAL      instr_index
+// 000011   XXXXXXXXXXXXXXXXXXXXXXXXXX
+//
+// JALR            v-------------v---  reserved? might not be? unknown
+// SPECIAL  rs            rd            JALR
+// 000000   XXXXX  00000  XXXXX  00000  001001
+//
+// JR              v-----v---  reserved? might not be? unknown
+// SPECIAL  rs                      JR
+// 000000   XXXXX  000000000000000  001000
+//
+// LB       base   rt     offset
+// 100000   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LBU      base   rt     offset
+// 100100   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LD       base   rt     offset
+// 110111   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LDCz     base   rt     offset
+// 1101zz   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LDL      base   rt     offset
+// 011010   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LDR      base   rt     offset
+// 011011   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LH       base   rt     offset
+// 100001   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LHU      base   rt     offset
+// 100101   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LL       base   rt     offset
+// 110000   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LLD      base   rt     offset
+// 110100   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LUI      0      rt     imm16
+// 001111   00000  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LW       base   rt     offset
+// 100011   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LWCz     base   rt     offset
+// 1100zz   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LWL      base   rt     offset
+// 100010   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LWR      base   rt     offset
+// 100110   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// LWU      base   rt     offset
+// 100111   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// MFHI
+// SPECIAL  0           rd     0      MFHI
+// 000000   0000000000  XXXXX  00000  010000
+//
+// MFLO
+// SPECIAL  0           rd     0      MFLO
+// 000000   0000000000  XXXXX  00000  010010
+//
+// MOVN
+// SPECIAL  rs     rt     rd     0      MOVN
+// 000000   XXXXX  XXXXX  XXXXX  00000  001011
+//
+// MOVZ
+// SPECIAL  rs     rt     rd     0      MOVZ
+// 000000   XXXXX  XXXXX  XXXXX  00000  001010
+//
+// MTHI
+// SPECIAL  rs     0                MTHI
+// 000000   XXXXX  000000000000000  010001
+//
+// MTLO
+// SPECIAL  rs     0                MTLO
+// 000000   XXXXX  000000000000000  010011
+//
+// MULT
+// SPECIAL  rs     rt     0           MULT
+// 000000   XXXXX  XXXXX  0000000000  011000
+//
+// MULTU
+// SPECIAL  rs     rt     0           MULTU
+// 000000   XXXXX  XXXXX  0000000000  011001
+//
+// NOR
+// SPECIAL  rs     rt     rd     0      NOR
+// 000000   XXXXX  XXXXX  XXXXX  00000  100111
+//
+// OR
+// SPECIAL  rs     rt     rd     0      OR
+// 000000   XXXXX  XXXXX  XXXXX  00000  100101
+//
+// ORI      rs     rt     imm16
+// 001101   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// PREF     base   hint   imm16
+// 1100111  XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+//
+// SB       base   rt     imm16
+// 101000   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SC       base   rt     imm16
+// 111000   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SCD      base   rt     imm16
+// 111100   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SD       base   rt     imm16
+// 111111   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SDCz     base   rt     imm16
+// 1111zz   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SDL      base   rt     imm16
+// 101100   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SDR      base   rt     imm16
+// 101101   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SH       base   rt     imm16
+// 101001   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SLL
+// SPECIAL  0      rt     rd    sa    SLL
+// 000000   00000  XXXXX  XXXXX XXXXX 000000
+//
+// SLLV
+// SPECIAL  rs     rt     rd    0     SLLV
+// 000000   XXXXX  XXXXX  XXXXX 00000 000100
+//
+// SLT
+// SPECIAL  rs     rt     rd    0     SLT
+// 000000   XXXXX  XXXXX  XXXXX 00000 101010
+//
+// SLTI     rs     rt     imm16
+// 001010   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SLTII    rs     rt     imm16
+// 001011   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SRA
+// SPECIAL  0      rt     rd     sa     SRA
+// 000000   00000  XXXXX  XXXXX  XXXXX  000011
+//
+// SRAV
+// SPECIAL  rs     rt     rd     0      SRAV
+// 000000   XXXXX  XXXXX  XXXXX  00000  000111
+//
+// SRL
+// SPECIAL  0      rt     rd     sa     SRL
+// 000000   00000  XXXXX  XXXXX  XXXXX  000010
+//
+// SRLV
+// SPECIAL  rs     rt     rd     0      SRLV
+// 000000   XXXXX  XXXXX  XXXXX  00000  000110
+//
+// SUB
+// SPECIAL  rs     rt     rd     0      SUB
+// 000000   XXXXX  XXXXX  XXXXX  00000  100010
+//
+// SUBU
+// SPECIAL  rs     rt     rd     0      SUBU
+// 000000   XXXXX  XXXXX  XXXXX  00000  100011
+//
+// SW       base   rt     imm16
+// 101011   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SWCz     base   rt     imm16
+// 1110zz   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SWL      base   rt     imm16
+// 101010   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SWR      base   rt     imm16
+// 101110   XXXXX  XXXXX  YYYYYYYYYYYYYYYY
+//
+// SYNC
+// SPECIAL  0                stype  SYNC
+// 000000   000000000000000  XXXXX  001111
+//
+// SYSCALL
+// SPECIAL  Code                  SYSCALL
+// 000000   XXXXXXXXXXXXXXXXXXXX  001100
+//
+// TEQ
+// SPECIAL  rs     rt     code        TEQ
+// 000000   XXXXX  XXXXX  0000000000  110100
+//
+// TEQI
+// REGIMM   rs     TEQI   imm16
+// 000001   XXXXX  01100  XXXXXXXXXXXXXXXX
+//
+// TGE
+// SPECIAL  rs     rt     code        TGE
+// 000000   XXXXX  XXXXX  0000000000  110000
+//
+// TGEI
+// REGIMM   rs     TGEI   imm16
+// 000001   XXXXX  01000  XXXXXXXXXXXXXXXX
+//
+// TGEU
+// SPECIAL  rs     rt     code        TGEU
+// 000000   XXXXX  XXXXX  0000000000  110001
+//
+// TGEIU
+// REGIMM   rs     TGEIU  imm16
+// 000001   XXXXX  01001  XXXXXXXXXXXXXXXX
+//
+// TLT
+// SPECIAL  rs     rt     code        TLT
+// 000000   XXXXX  XXXXX  0000000000  110010
+//
+// TLTI
+// REGIMM   rs     TLTI   imm16
+// 000001   XXXXX  01010  XXXXXXXXXXXXXXXX
+//
+// TLTU
+// SPECIAL  rs     rt     code        TLTU
+// 000000   XXXXX  XXXXX  0000000000  110011
+//
+// TLTIU
+// REGIMM   rs     TLTIU  imm16
+// 000001   XXXXX  01011  XXXXXXXXXXXXXXXX
+//
+// TNE
+// SPECIAL  rs     rt     code        TNE
+// 000000   XXXXX  XXXXX  0000000000  110110
+//
+// TNEI
+// REGIMM   rs     TNEI   imm16
+// 000001   XXXXX  01110  XXXXXXXXXXXXXXXX
+//
+// XOR
+// SPECIAL  rs     rt     rd     0      XOR
+// 000000   XXXXX  XXXXX  XXXXX  00000  100110
+//
+// XORI     rs     rt     imm16
+// 001110   XXXXX  XXXXX  XXXXXXXXXXXXXXXX
+
+
+
+
+
diff --git a/test/test.rs b/test/test.rs
new file mode 100644
index 0000000..7af242d
--- /dev/null
+++ b/test/test.rs
@@ -0,0 +1,43 @@
+#[test]
+fn test_arithmetic() {
+// 21080008 addi t0, t0, 8
+// 2129fff8 addi t1, t1, -8
+// 2404010c addiu a0, zero, 0x10c
+// 2508ae20 addui t0, t0, -0x51e0
+// 352923a0 ori t1, t1, 0x23a0
+// 00042300 sll a0, a0, 0xc
+}
+#[test]
+fn test_br() {
+// 1520fffc bnez t1, 0x80001010
+// 01400008 jr t2
+// 03e00008 jr ra
+// 10000008 b 0x8000171c
+// 0c0005ab jal 0x800016ac
+}
+#[test]
+fn test_cmp() {
+// slt
+// sltu
+// slti
+// 2de10007 sltiu at, t7, 1
+}
+#[test]
+fn test_mov() {
+// 8fbf0000 lw ra, (sp)
+// 3c088009 lui t0, 0x8009
+// 3c090002 lui t1, 2
+// 6fc07f00 ldr zero, 0x7f00(fp)
+// a429d266 sh t1, -0x2d9a(at)
+// ad000000 sw zero, (t0)
+// ad000004 sw zero, 4(t0)
+// 02002025 move a0, s0
+}
+#[test]
+fn test_misc() {
+// 00000000 nop
+// 40882800 mtc0 t0, a1, 0
+// 42000002 tlbwi
+// 42000008 tlbp
+// 40085000 mfc t0, t2, 0
+}