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authorths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2006-12-06 20:17:30 +0000
committerths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2006-12-06 20:17:30 +0000
commit7a387fffce508fedae82e3e81b90d1f20c02c783 (patch)
tree1291fac9008d87729c2e129b76aa39e79e4b7436 /target-mips/translate.c
parent8c0fdd856c63eb11ec5ef955731b1b0cda51f967 (diff)
Add MIPS32R2 instructions, and generally straighten out the instruction
decoding. This is also the first percent towards MIPS64 support. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2224 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips/translate.c')
-rw-r--r--target-mips/translate.c2344
1 files changed, 1797 insertions, 547 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 6880667109..d54c63336f 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -50,184 +50,313 @@ static uint32_t *gen_opparam_ptr;
#include "gen-op.h"
-/* MIPS opcodes */
-#define EXT_SPECIAL 0x100
-#define EXT_SPECIAL2 0x200
-#define EXT_REGIMM 0x300
-#define EXT_CP0 0x400
-#define EXT_CP1 0x500
-#define EXT_CP2 0x600
-#define EXT_CP3 0x700
+/* MIPS major opcodes */
+#define MASK_OP_MAJOR(op) (op & (0x3F << 26))
enum {
/* indirect opcode tables */
- OPC_SPECIAL = 0x00,
- OPC_BREGIMM = 0x01,
- OPC_CP0 = 0x10,
- OPC_CP1 = 0x11,
- OPC_CP2 = 0x12,
- OPC_CP3 = 0x13,
- OPC_SPECIAL2 = 0x1C,
+ OPC_SPECIAL = (0x00 << 26),
+ OPC_REGIMM = (0x01 << 26),
+ OPC_CP0 = (0x10 << 26),
+ OPC_CP1 = (0x11 << 26),
+ OPC_CP2 = (0x12 << 26),
+ OPC_CP3 = (0x13 << 26),
+ OPC_SPECIAL2 = (0x1C << 26),
+ OPC_SPECIAL3 = (0x1F << 26),
/* arithmetic with immediate */
- OPC_ADDI = 0x08,
- OPC_ADDIU = 0x09,
- OPC_SLTI = 0x0A,
- OPC_SLTIU = 0x0B,
- OPC_ANDI = 0x0C,
- OPC_ORI = 0x0D,
- OPC_XORI = 0x0E,
- OPC_LUI = 0x0F,
+ OPC_ADDI = (0x08 << 26),
+ OPC_ADDIU = (0x09 << 26),
+ OPC_SLTI = (0x0A << 26),
+ OPC_SLTIU = (0x0B << 26),
+ OPC_ANDI = (0x0C << 26),
+ OPC_ORI = (0x0D << 26),
+ OPC_XORI = (0x0E << 26),
+ OPC_LUI = (0x0F << 26),
+ OPC_DADDI = (0x18 << 26),
+ OPC_DADDIU = (0x19 << 26),
/* Jump and branches */
- OPC_J = 0x02,
- OPC_JAL = 0x03,
- OPC_BEQ = 0x04, /* Unconditional if rs = rt = 0 (B) */
- OPC_BEQL = 0x14,
- OPC_BNE = 0x05,
- OPC_BNEL = 0x15,
- OPC_BLEZ = 0x06,
- OPC_BLEZL = 0x16,
- OPC_BGTZ = 0x07,
- OPC_BGTZL = 0x17,
- OPC_JALX = 0x1D, /* MIPS 16 only */
+ OPC_J = (0x02 << 26),
+ OPC_JAL = (0x03 << 26),
+ OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */
+ OPC_BEQL = (0x14 << 26),
+ OPC_BNE = (0x05 << 26),
+ OPC_BNEL = (0x15 << 26),
+ OPC_BLEZ = (0x06 << 26),
+ OPC_BLEZL = (0x16 << 26),
+ OPC_BGTZ = (0x07 << 26),
+ OPC_BGTZL = (0x17 << 26),
+ OPC_JALX = (0x1D << 26), /* MIPS 16 only */
/* Load and stores */
- OPC_LB = 0x20,
- OPC_LH = 0x21,
- OPC_LWL = 0x22,
- OPC_LW = 0x23,
- OPC_LBU = 0x24,
- OPC_LHU = 0x25,
- OPC_LWR = 0x26,
- OPC_LWU = 0x27,
- OPC_SB = 0x28,
- OPC_SH = 0x29,
- OPC_SWL = 0x2A,
- OPC_SW = 0x2B,
- OPC_SWR = 0x2E,
- OPC_LL = 0x30,
- OPC_SC = 0x38,
+ OPC_LDL = (0x1A << 26),
+ OPC_LDR = (0x1B << 26),
+ OPC_LB = (0x20 << 26),
+ OPC_LH = (0x21 << 26),
+ OPC_LWL = (0x22 << 26),
+ OPC_LW = (0x23 << 26),
+ OPC_LBU = (0x24 << 26),
+ OPC_LHU = (0x25 << 26),
+ OPC_LWR = (0x26 << 26),
+ OPC_LWU = (0x27 << 26),
+ OPC_SB = (0x28 << 26),
+ OPC_SH = (0x29 << 26),
+ OPC_SWL = (0x2A << 26),
+ OPC_SW = (0x2B << 26),
+ OPC_SDL = (0x2C << 26),
+ OPC_SDR = (0x2D << 26),
+ OPC_SWR = (0x2E << 26),
+ OPC_LL = (0x30 << 26),
+ OPC_LLD = (0x34 << 26),
+ OPC_LD = (0x37 << 26),
+ OPC_SC = (0x38 << 26),
+ OPC_SCD = (0x3C << 26),
+ OPC_SD = (0x3F << 26),
/* Floating point load/store */
- OPC_LWC1 = 0x31,
- OPC_LWC2 = 0x32,
- OPC_LDC1 = 0x35,
- OPC_LDC2 = 0x36,
- OPC_SWC1 = 0x39,
- OPC_SWC2 = 0x3A,
- OPC_SDC1 = 0x3D,
- OPC_SDC2 = 0x3E,
+ OPC_LWC1 = (0x31 << 26),
+ OPC_LWC2 = (0x32 << 26),
+ OPC_LDC1 = (0x35 << 26),
+ OPC_LDC2 = (0x36 << 26),
+ OPC_SWC1 = (0x39 << 26),
+ OPC_SWC2 = (0x3A << 26),
+ OPC_SDC1 = (0x3D << 26),
+ OPC_SDC2 = (0x3E << 26),
+ /* MDMX ASE specific */
+ OPC_MDMX = (0x1E << 26),
/* Cache and prefetch */
- OPC_CACHE = 0x2F,
- OPC_PREF = 0x33,
+ OPC_CACHE = (0x2F << 26),
+ OPC_PREF = (0x33 << 26),
+ /* Reserved major opcode */
+ OPC_MAJOR3B_RESERVED = (0x3B << 26),
};
/* MIPS special opcodes */
+#define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F)
+
enum {
/* Shifts */
- OPC_SLL = 0x00 | EXT_SPECIAL,
+ OPC_SLL = 0x00 | OPC_SPECIAL,
/* NOP is SLL r0, r0, 0 */
/* SSNOP is SLL r0, r0, 1 */
- OPC_SRL = 0x02 | EXT_SPECIAL,
- OPC_SRA = 0x03 | EXT_SPECIAL,
- OPC_SLLV = 0x04 | EXT_SPECIAL,
- OPC_SRLV = 0x06 | EXT_SPECIAL,
- OPC_SRAV = 0x07 | EXT_SPECIAL,
+ /* EHB is SLL r0, r0, 3 */
+ OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */
+ OPC_SRA = 0x03 | OPC_SPECIAL,
+ OPC_SLLV = 0x04 | OPC_SPECIAL,
+ OPC_SRLV = 0x06 | OPC_SPECIAL,
+ OPC_SRAV = 0x07 | OPC_SPECIAL,
+ OPC_DSLLV = 0x14 | OPC_SPECIAL,
+ OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */
+ OPC_DSRAV = 0x17 | OPC_SPECIAL,
+ OPC_DSLL = 0x38 | OPC_SPECIAL,
+ OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */
+ OPC_DSRA = 0x3B | OPC_SPECIAL,
+ OPC_DSLL32 = 0x3C | OPC_SPECIAL,
+ OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */
+ OPC_DSRA32 = 0x3F | OPC_SPECIAL,
/* Multiplication / division */
- OPC_MULT = 0x18 | EXT_SPECIAL,
- OPC_MULTU = 0x19 | EXT_SPECIAL,
- OPC_DIV = 0x1A | EXT_SPECIAL,
- OPC_DIVU = 0x1B | EXT_SPECIAL,
+ OPC_MULT = 0x18 | OPC_SPECIAL,
+ OPC_MULTU = 0x19 | OPC_SPECIAL,
+ OPC_DIV = 0x1A | OPC_SPECIAL,
+ OPC_DIVU = 0x1B | OPC_SPECIAL,
+ OPC_DMULT = 0x1C | OPC_SPECIAL,
+ OPC_DMULTU = 0x1D | OPC_SPECIAL,
+ OPC_DDIV = 0x1E | OPC_SPECIAL,
+ OPC_DDIVU = 0x1F | OPC_SPECIAL,
/* 2 registers arithmetic / logic */
- OPC_ADD = 0x20 | EXT_SPECIAL,
- OPC_ADDU = 0x21 | EXT_SPECIAL,
- OPC_SUB = 0x22 | EXT_SPECIAL,
- OPC_SUBU = 0x23 | EXT_SPECIAL,
- OPC_AND = 0x24 | EXT_SPECIAL,
- OPC_OR = 0x25 | EXT_SPECIAL,
- OPC_XOR = 0x26 | EXT_SPECIAL,
- OPC_NOR = 0x27 | EXT_SPECIAL,
- OPC_SLT = 0x2A | EXT_SPECIAL,
- OPC_SLTU = 0x2B | EXT_SPECIAL,
+ OPC_ADD = 0x20 | OPC_SPECIAL,
+ OPC_ADDU = 0x21 | OPC_SPECIAL,
+ OPC_SUB = 0x22 | OPC_SPECIAL,
+ OPC_SUBU = 0x23 | OPC_SPECIAL,
+ OPC_AND = 0x24 | OPC_SPECIAL,
+ OPC_OR = 0x25 | OPC_SPECIAL,
+ OPC_XOR = 0x26 | OPC_SPECIAL,
+ OPC_NOR = 0x27 | OPC_SPECIAL,
+ OPC_SLT = 0x2A | OPC_SPECIAL,
+ OPC_SLTU = 0x2B | OPC_SPECIAL,
+ OPC_DADD = 0x2C | OPC_SPECIAL,
+ OPC_DADDU = 0x2D | OPC_SPECIAL,
+ OPC_DSUB = 0x2E | OPC_SPECIAL,
+ OPC_DSUBU = 0x2F | OPC_SPECIAL,
/* Jumps */
- OPC_JR = 0x08 | EXT_SPECIAL,
- OPC_JALR = 0x09 | EXT_SPECIAL,
+ OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */
+ OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */
/* Traps */
- OPC_TGE = 0x30 | EXT_SPECIAL,
- OPC_TGEU = 0x31 | EXT_SPECIAL,
- OPC_TLT = 0x32 | EXT_SPECIAL,
- OPC_TLTU = 0x33 | EXT_SPECIAL,
- OPC_TEQ = 0x34 | EXT_SPECIAL,
- OPC_TNE = 0x36 | EXT_SPECIAL,
+ OPC_TGE = 0x30 | OPC_SPECIAL,
+ OPC_TGEU = 0x31 | OPC_SPECIAL,
+ OPC_TLT = 0x32 | OPC_SPECIAL,
+ OPC_TLTU = 0x33 | OPC_SPECIAL,
+ OPC_TEQ = 0x34 | OPC_SPECIAL,
+ OPC_TNE = 0x36 | OPC_SPECIAL,
/* HI / LO registers load & stores */
- OPC_MFHI = 0x10 | EXT_SPECIAL,
- OPC_MTHI = 0x11 | EXT_SPECIAL,
- OPC_MFLO = 0x12 | EXT_SPECIAL,
- OPC_MTLO = 0x13 | EXT_SPECIAL,
+ OPC_MFHI = 0x10 | OPC_SPECIAL,
+ OPC_MTHI = 0x11 | OPC_SPECIAL,
+ OPC_MFLO = 0x12 | OPC_SPECIAL,
+ OPC_MTLO = 0x13 | OPC_SPECIAL,
/* Conditional moves */
- OPC_MOVZ = 0x0A | EXT_SPECIAL,
- OPC_MOVN = 0x0B | EXT_SPECIAL,
+ OPC_MOVZ = 0x0A | OPC_SPECIAL,
+ OPC_MOVN = 0x0B | OPC_SPECIAL,
- OPC_MOVCI = 0x01 | EXT_SPECIAL,
+ OPC_MOVCI = 0x01 | OPC_SPECIAL,
/* Special */
- OPC_PMON = 0x05 | EXT_SPECIAL,
- OPC_SYSCALL = 0x0C | EXT_SPECIAL,
- OPC_BREAK = 0x0D | EXT_SPECIAL,
- OPC_SYNC = 0x0F | EXT_SPECIAL,
+ OPC_PMON = 0x05 | OPC_SPECIAL, /* inofficial */
+ OPC_SYSCALL = 0x0C | OPC_SPECIAL,
+ OPC_BREAK = 0x0D | OPC_SPECIAL,
+ OPC_SPIM = 0x0E | OPC_SPECIAL, /* inofficial */
+ OPC_SYNC = 0x0F | OPC_SPECIAL,
+
+ OPC_SPECIAL15_RESERVED = 0x15 | OPC_SPECIAL,
+ OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
+ OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
+ OPC_SPECIAL35_RESERVED = 0x35 | OPC_SPECIAL,
+ OPC_SPECIAL37_RESERVED = 0x37 | OPC_SPECIAL,
+ OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
+ OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
+};
+
+/* REGIMM (rt field) opcodes */
+#define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16))
+
+enum {
+ OPC_BLTZ = (0x00 << 16) | OPC_REGIMM,
+ OPC_BLTZL = (0x02 << 16) | OPC_REGIMM,
+ OPC_BGEZ = (0x01 << 16) | OPC_REGIMM,
+ OPC_BGEZL = (0x03 << 16) | OPC_REGIMM,
+ OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM,
+ OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM,
+ OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM,
+ OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM,
+ OPC_TGEI = (0x08 << 16) | OPC_REGIMM,
+ OPC_TGEIU = (0x09 << 16) | OPC_REGIMM,
+ OPC_TLTI = (0x0A << 16) | OPC_REGIMM,
+ OPC_TLTIU = (0x0B << 16) | OPC_REGIMM,
+ OPC_TEQI = (0x0C << 16) | OPC_REGIMM,
+ OPC_TNEI = (0x0E << 16) | OPC_REGIMM,
+ OPC_SYNCI = (0x1F << 16) | OPC_REGIMM,
};
+/* Special2 opcodes */
+#define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F)
+
enum {
- /* Mutiply & xxx operations */
- OPC_MADD = 0x00 | EXT_SPECIAL2,
- OPC_MADDU = 0x01 | EXT_SPECIAL2,
- OPC_MUL = 0x02 | EXT_SPECIAL2,
- OPC_MSUB = 0x04 | EXT_SPECIAL2,
- OPC_MSUBU = 0x05 | EXT_SPECIAL2,
+ /* Multiply & xxx operations */
+ OPC_MADD = 0x00 | OPC_SPECIAL2,
+ OPC_MADDU = 0x01 | OPC_SPECIAL2,
+ OPC_MUL = 0x02 | OPC_SPECIAL2,
+ OPC_MSUB = 0x04 | OPC_SPECIAL2,
+ OPC_MSUBU = 0x05 | OPC_SPECIAL2,
/* Misc */
- OPC_CLZ = 0x20 | EXT_SPECIAL2,
- OPC_CLO = 0x21 | EXT_SPECIAL2,
+ OPC_CLZ = 0x20 | OPC_SPECIAL2,
+ OPC_CLO = 0x21 | OPC_SPECIAL2,
+ OPC_DCLZ = 0x24 | OPC_SPECIAL2,
+ OPC_DCLO = 0x25 | OPC_SPECIAL2,
/* Special */
- OPC_SDBBP = 0x3F | EXT_SPECIAL2,
+ OPC_SDBBP = 0x3F | OPC_SPECIAL2,
+};
+
+/* Special3 opcodes */
+#define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
+
+enum {
+ OPC_EXT = 0x00 | OPC_SPECIAL3,
+ OPC_DEXTM = 0x01 | OPC_SPECIAL3,
+ OPC_DEXTU = 0x02 | OPC_SPECIAL3,
+ OPC_DEXT = 0x03 | OPC_SPECIAL3,
+ OPC_INS = 0x04 | OPC_SPECIAL3,
+ OPC_DINSM = 0x05 | OPC_SPECIAL3,
+ OPC_DINSU = 0x06 | OPC_SPECIAL3,
+ OPC_DINS = 0x07 | OPC_SPECIAL3,
+ OPC_BSHFL = 0x20 | OPC_SPECIAL3,
+ OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
+ OPC_RDHWR = 0x3B | OPC_SPECIAL3,
};
-/* Branch REGIMM */
+/* BSHFL opcodes */
+#define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
+
enum {
- OPC_BLTZ = 0x00 | EXT_REGIMM,
- OPC_BLTZL = 0x02 | EXT_REGIMM,
- OPC_BGEZ = 0x01 | EXT_REGIMM,
- OPC_BGEZL = 0x03 | EXT_REGIMM,
- OPC_BLTZAL = 0x10 | EXT_REGIMM,
- OPC_BLTZALL = 0x12 | EXT_REGIMM,
- OPC_BGEZAL = 0x11 | EXT_REGIMM,
- OPC_BGEZALL = 0x13 | EXT_REGIMM,
- OPC_TGEI = 0x08 | EXT_REGIMM,
- OPC_TGEIU = 0x09 | EXT_REGIMM,
- OPC_TLTI = 0x0A | EXT_REGIMM,
- OPC_TLTIU = 0x0B | EXT_REGIMM,
- OPC_TEQI = 0x0C | EXT_REGIMM,
- OPC_TNEI = 0x0E | EXT_REGIMM,
+ OPC_WSBH = (0x02 << 6) | OPC_BSHFL,
+ OPC_SEB = (0x10 << 6) | OPC_BSHFL,
+ OPC_SEH = (0x18 << 6) | OPC_BSHFL,
};
+/* DBSHFL opcodes */
+#define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
+
enum {
- /* Coprocessor 0 (MMU) */
- OPC_MFC0 = 0x00 | EXT_CP0,
- OPC_MTC0 = 0x04 | EXT_CP0,
- OPC_TLBR = 0x01 | EXT_CP0,
- OPC_TLBWI = 0x02 | EXT_CP0,
- OPC_TLBWR = 0x06 | EXT_CP0,
- OPC_TLBP = 0x08 | EXT_CP0,
- OPC_ERET = 0x18 | EXT_CP0,
- OPC_DERET = 0x1F | EXT_CP0,
- OPC_WAIT = 0x20 | EXT_CP0,
+ OPC_DSBH = (0x02 << 6) | OPC_DBSHFL,
+ OPC_DSHD = (0x05 << 6) | OPC_DBSHFL,
};
-#ifdef MIPS_USES_FPU
+/* Coprocessor 0 (rs field) */
+#define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
+
enum {
- /* Coprocessor 1 (FPU) */
- OPC_MFC1 = 0x00 | EXT_CP1,
- OPC_MTC1 = 0x04 | EXT_CP1,
- OPC_CFC1 = 0x02 | EXT_CP1,
- OPC_CTC1 = 0x06 | EXT_CP1,
+ OPC_MFC0 = (0x00 << 21) | OPC_CP0,
+ OPC_DMFC0 = (0x01 << 21) | OPC_CP0,
+ OPC_MTC0 = (0x04 << 21) | OPC_CP0,
+ OPC_DMTC0 = (0x05 << 21) | OPC_CP0,
+ OPC_RDPGPR = (0x0A << 21) | OPC_CP0,
+ OPC_MFMC0 = (0x0B << 21) | OPC_CP0,
+ OPC_WRPGPR = (0x0E << 21) | OPC_CP0,
+ OPC_C0 = (0x10 << 21) | OPC_CP0,
+ OPC_C0_FIRST = (0x10 << 21) | OPC_CP0,
+ OPC_C0_LAST = (0x1F << 21) | OPC_CP0,
};
-#endif
+
+/* MFMC0 opcodes */
+#define MASK_MFMC0(op) MASK_CP0(op) | (op & ((0x0C << 11) | (1 << 5)))
+
+enum {
+ OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0,
+ OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0,
+};
+
+/* Coprocessor 0 (with rs == C0) */
+#define MASK_C0(op) MASK_CP0(op) | (op & 0x3F)
+
+enum {
+ OPC_TLBR = 0x01 | OPC_C0,
+ OPC_TLBWI = 0x02 | OPC_C0,
+ OPC_TLBWR = 0x06 | OPC_C0,
+ OPC_TLBP = 0x08 | OPC_C0,
+ OPC_RFE = 0x10 | OPC_C0,
+ OPC_ERET = 0x18 | OPC_C0,
+ OPC_DERET = 0x1F | OPC_C0,
+ OPC_WAIT = 0x20 | OPC_C0,
+};
+
+/* Coprocessor 1 (rs field) */
+#define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
+
+enum {
+ OPC_MFC1 = (0x00 << 21) | OPC_CP1,
+ OPC_DMFC1 = (0x01 << 21) | OPC_CP1,
+ OPC_CFC1 = (0x02 << 21) | OPC_CP1,
+ OPC_MFHCI = (0x03 << 21) | OPC_CP1,
+ OPC_MTC1 = (0x04 << 21) | OPC_CP1,
+ OPC_DMTC1 = (0x05 << 21) | OPC_CP1,
+ OPC_CTC1 = (0x06 << 21) | OPC_CP1,
+ OPC_MTHCI = (0x07 << 21) | OPC_CP1,
+ OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */
+ OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */
+ OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */
+ OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */
+ OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */
+ OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */
+ OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */
+};
+
+enum {
+ OPC_BC1F = (0x00 << 16) | OPC_BC1,
+ OPC_BC1T = (0x01 << 16) | OPC_BC1,
+ OPC_BC1FL = (0x02 << 16) | OPC_BC1,
+ OPC_BC1TL = (0x03 << 16) | OPC_BC1,
+};
+
+#define MASK_CP1_BCOND(op) MASK_CP1(op) | (op & ((0x1F << 21) | (0x3 << 16)))
+#define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & ((0x1F << 21) | 0x3F))
+
+#define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
+#define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
const unsigned char *regnames[] =
{ "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
@@ -260,8 +389,7 @@ GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr);
GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr);
GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr);
-#ifdef MIPS_USES_FPU
-const unsigned char *fregnames[] =
+static const char *fregnames[] =
{ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
@@ -344,8 +472,6 @@ static inline void gen_cmp_ ## fmt(int n) \
FOP_CONDS(d)
FOP_CONDS(s)
-#endif
-
typedef struct DisasContext {
struct TranslationBlock *tb;
target_ulong pc, saved_pc;
@@ -410,9 +536,7 @@ do { \
} \
} while (0)
-#ifdef MIPS_USES_FPU
-
-# define GEN_LOAD_FREG_FTN(FTn, Fn) \
+#define GEN_LOAD_FREG_FTN(FTn, Fn) \
do { \
glue(gen_op_load_fpr_, FTn)(Fn); \
} while (0)
@@ -422,8 +546,6 @@ do { \
glue(gen_op_store_fpr_, FTn)(Fn); \
} while (0)
-#endif
-
static inline void save_cpu_state (DisasContext *ctx, int do_save_pc)
{
#if defined MIPS_DEBUG_DISAS
@@ -487,7 +609,7 @@ static GenOpFunc *gen_op_s##width[] = { \
}
#endif
-#ifdef TARGET_MIPS64
+#ifdef MIPS_HAS_MIPS64
OP_LD_TABLE(d);
OP_LD_TABLE(dl);
OP_LD_TABLE(dr);
@@ -510,18 +632,16 @@ OP_LD_TABLE(bu);
OP_ST_TABLE(b);
OP_LD_TABLE(l);
OP_ST_TABLE(c);
-#ifdef MIPS_USES_FPU
OP_LD_TABLE(wc1);
OP_ST_TABLE(wc1);
OP_LD_TABLE(dc1);
OP_ST_TABLE(dc1);
-#endif
/* Load and store */
-static void gen_ldst (DisasContext *ctx, uint16_t opc, int rt,
+static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt,
int base, int16_t offset)
{
- const unsigned char *opn = "unk";
+ const char *opn = "unk";
if (base == 0) {
GEN_LOAD_IMM_TN(T0, offset);
@@ -536,23 +656,27 @@ static void gen_ldst (DisasContext *ctx, uint16_t opc, int rt,
* memory access
*/
switch (opc) {
-#if defined(TARGET_MIPS64)
+#ifdef MIPS_HAS_MIPS64
case OPC_LD:
-#if defined (MIPS_HAS_UNALIGNED_LS)
- case OPC_ULD:
-#endif
op_ldst(ld);
GEN_STORE_TN_REG(rt, T0);
opn = "ld";
break;
+ case OPC_LLD:
+ op_ldst(lld);
+ GEN_STORE_TN_REG(rt, T0);
+ opn = "lld";
+ break;
case OPC_SD:
-#if defined (MIPS_HAS_UNALIGNED_LS)
- case OPC_USD:
-#endif
GEN_LOAD_REG_TN(T1, rt);
op_ldst(sd);
opn = "sd";
break;
+ case OPC_SCD:
+ GEN_LOAD_REG_TN(T1, rt);
+ op_ldst(scd);
+ opn = "scd";
+ break;
case OPC_LDL:
op_ldst(ldl);
GEN_STORE_TN_REG(rt, T0);
@@ -575,9 +699,6 @@ static void gen_ldst (DisasContext *ctx, uint16_t opc, int rt,
break;
#endif
case OPC_LW:
-#if defined (MIPS_HAS_UNALIGNED_LS)
- case OPC_ULW:
-#endif
op_ldst(lw);
GEN_STORE_TN_REG(rt, T0);
opn = "lw";
@@ -588,33 +709,21 @@ static void gen_ldst (DisasContext *ctx, uint16_t opc, int rt,
opn = "lwu";
break;
case OPC_SW:
-#if defined (MIPS_HAS_UNALIGNED_LS)
- case OPC_USW:
-#endif
GEN_LOAD_REG_TN(T1, rt);
op_ldst(sw);
opn = "sw";
break;
case OPC_LH:
-#if defined (MIPS_HAS_UNALIGNED_LS)
- case OPC_ULH:
-#endif
op_ldst(lh);
GEN_STORE_TN_REG(rt, T0);
opn = "lh";
break;
case OPC_SH:
-#if defined (MIPS_HAS_UNALIGNED_LS)
- case OPC_USH:
-#endif
GEN_LOAD_REG_TN(T1, rt);
op_ldst(sh);
opn = "sh";
break;
case OPC_LHU:
-#if defined (MIPS_HAS_UNALIGNED_LS)
- case OPC_ULHU:
-#endif
op_ldst(lhu);
GEN_STORE_TN_REG(rt, T0);
opn = "lhu";
@@ -675,13 +784,11 @@ static void gen_ldst (DisasContext *ctx, uint16_t opc, int rt,
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
}
-#ifdef MIPS_USES_FPU
-
/* Load and store */
-static void gen_flt_ldst (DisasContext *ctx, uint16_t opc, int ft,
+static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft,
int base, int16_t offset)
{
- const unsigned char *opn = "unk";
+ const char *opn = "unk";
if (base == 0) {
GEN_LOAD_IMM_TN(T0, offset);
@@ -718,21 +825,20 @@ static void gen_flt_ldst (DisasContext *ctx, uint16_t opc, int ft,
break;
default:
MIPS_INVAL("float load/store");
- generate_exception(ctx, EXCP_CpU);
+ generate_exception_err(ctx, EXCP_CpU, 1);
return;
}
MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
}
-#endif
/* Arithmetic with immediate operand */
-static void gen_arith_imm (DisasContext *ctx, uint16_t opc, int rt,
+static void gen_arith_imm (DisasContext *ctx, uint32_t opc, int rt,
int rs, int16_t imm)
{
uint32_t uimm;
- const unsigned char *opn = "unk";
+ const char *opn = "unk";
- if (rt == 0 && opc != OPC_ADDI) {
+ if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) {
/* if no destination, treat it as a NOP
* For addi, we must generate the overflow exception when needed.
*/
@@ -740,8 +846,9 @@ static void gen_arith_imm (DisasContext *ctx, uint16_t opc, int rt,
return;
}
if (opc == OPC_ADDI || opc == OPC_ADDIU ||
+ opc == OPC_DADDI || opc == OPC_DADDIU ||
opc == OPC_SLTI || opc == OPC_SLTIU)
- uimm = (int32_t)imm; /* Sign extent to 32 bits */
+ uimm = (int32_t)imm; /* Sign extend to 32 bits */
else
uimm = (uint16_t)imm;
if (opc != OPC_LUI) {
@@ -761,6 +868,17 @@ static void gen_arith_imm (DisasContext *ctx, uint16_t opc, int rt,
gen_op_add();
opn = "addiu";
break;
+#ifdef MIPS_HAS_MIPS64
+ case OPC_DADDI:
+ save_cpu_state(ctx, 1);
+ gen_op_daddo();
+ opn = "daddi";
+ break;
+ case OPC_DADDIU:
+ gen_op_dadd();
+ opn = "daddiu";
+ break;
+#endif
case OPC_SLTI:
gen_op_lt();
opn = "slti";
@@ -793,9 +911,50 @@ static void gen_arith_imm (DisasContext *ctx, uint16_t opc, int rt,
opn = "sra";
break;
case OPC_SRL:
- gen_op_srl();
- opn = "srl";
+ if ((ctx->opcode >> 21) & 1) {
+ gen_op_rotr();
+ opn = "rotr";
+ } else {
+ gen_op_srl();
+ opn = "srl";
+ }
+ break;
+#ifdef MIPS_HAS_MIPS64
+ case OPC_DSLL:
+ gen_op_dsll();
+ opn = "dsll";
+ break;
+ case OPC_DSRA:
+ gen_op_dsra();
+ opn = "dsra";
+ break;
+ case OPC_DSRL:
+ if ((ctx->opcode >> 21) & 1) {
+ gen_op_drotr();
+ opn = "drotr";
+ } else {
+ gen_op_dsrl();
+ opn = "dsrl";
+ }
+ break;
+ case OPC_DSLL32:
+ gen_op_dsll32();
+ opn = "dsll32";
+ break;
+ case OPC_DSRA32:
+ gen_op_dsra32();
+ opn = "dsra32";
+ break;
+ case OPC_DSRL32:
+ if ((ctx->opcode >> 21) & 1) {
+ gen_op_drotr32();
+ opn = "drotr32";
+ } else {
+ gen_op_dsrl32();
+ opn = "dsrl32";
+ }
break;
+#endif
default:
MIPS_INVAL("imm arith");
generate_exception(ctx, EXCP_RI);
@@ -806,12 +965,13 @@ static void gen_arith_imm (DisasContext *ctx, uint16_t opc, int rt,
}
/* Arithmetic */
-static void gen_arith (DisasContext *ctx, uint16_t opc,
+static void gen_arith (DisasContext *ctx, uint32_t opc,
int rd, int rs, int rt)
{
- const unsigned char *opn = "unk";
+ const char *opn = "unk";
- if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB) {
+ if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
+ && opc != OPC_DADD && opc != OPC_DSUB) {
/* if no destination, treat it as a NOP
* For add & sub, we must generate the overflow exception when needed.
*/
@@ -839,6 +999,26 @@ static void gen_arith (DisasContext *ctx, uint16_t opc,
gen_op_sub();
opn = "subu";
break;
+#ifdef MIPS_HAS_MIPS64
+ case OPC_DADD:
+ save_cpu_state(ctx, 1);
+ gen_op_daddo();
+ opn = "dadd";
+ break;
+ case OPC_DADDU:
+ gen_op_dadd();
+ opn = "daddu";
+ break;
+ case OPC_DSUB:
+ save_cpu_state(ctx, 1);
+ gen_op_dsubo();
+ opn = "dsub";
+ break;
+ case OPC_DSUBU:
+ gen_op_dsub();
+ opn = "dsubu";
+ break;
+#endif
case OPC_SLT:
gen_op_lt();
opn = "slt";
@@ -884,9 +1064,33 @@ static void gen_arith (DisasContext *ctx, uint16_t opc,
opn = "srav";
break;
case OPC_SRLV:
- gen_op_srlv();
- opn = "srlv";
+ if ((ctx->opcode >> 6) & 1) {
+ gen_op_rotrv();
+ opn = "rotrv";
+ } else {
+ gen_op_srlv();
+ opn = "srlv";
+ }
+ break;
+#ifdef MIPS_HAS_MIPS64
+ case OPC_DSLLV:
+ gen_op_dsllv();
+ opn = "dsllv";
+ break;
+ case OPC_DSRAV:
+ gen_op_dsrav();
+ opn = "dsrav";
+ break;
+ case OPC_DSRLV:
+ if ((ctx->opcode >> 6) & 1) {
+ gen_op_drotrv();
+ opn = "drotrv";
+ } else {
+ gen_op_dsrlv();
+ opn = "dsrlv";
+ }
break;
+#endif
default:
MIPS_INVAL("arith");
generate_exception(ctx, EXCP_RI);
@@ -898,9 +1102,9 @@ static void gen_arith (DisasContext *ctx, uint16_t opc,
}
/* Arithmetic on HI/LO registers */
-static void gen_HILO (DisasContext *ctx, uint16_t opc, int reg)
+static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg)
{
- const unsigned char *opn = "unk";
+ const char *opn = "unk";
if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
/* Treat as a NOP */
@@ -936,10 +1140,10 @@ static void gen_HILO (DisasContext *ctx, uint16_t opc, int reg)
MIPS_DEBUG("%s %s", opn, regnames[reg]);
}
-static void gen_muldiv (DisasContext *ctx, uint16_t opc,
+static void gen_muldiv (DisasContext *ctx, uint32_t opc,
int rs, int rt)
{
- const unsigned char *opn = "unk";
+ const char *opn = "unk";
GEN_LOAD_REG_TN(T0, rs);
GEN_LOAD_REG_TN(T1, rt);
@@ -960,6 +1164,24 @@ static void gen_muldiv (DisasContext *ctx, uint16_t opc,
gen_op_multu();
opn = "multu";
break;
+#ifdef MIPS_HAS_MIPS64
+ case OPC_DDIV:
+ gen_op_ddiv();
+ opn = "ddiv";
+ break;
+ case OPC_DDIVU:
+ gen_op_ddivu();
+ opn = "ddivu";
+ break;
+ case OPC_DMULT:
+ gen_op_dmult();
+ opn = "dmult";
+ break;
+ case OPC_DMULTU:
+ gen_op_dmultu();
+ opn = "dmultu";
+ break;
+#endif
case OPC_MADD:
gen_op_madd();
opn = "madd";
@@ -984,10 +1206,10 @@ static void gen_muldiv (DisasContext *ctx, uint16_t opc,
MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
}
-static void gen_cl (DisasContext *ctx, uint16_t opc,
+static void gen_cl (DisasContext *ctx, uint32_t opc,
int rd, int rs)
{
- const unsigned char *opn = "unk";
+ const char *opn = "unk";
if (rd == 0) {
/* Treat as a NOP */
MIPS_DEBUG("NOP");
@@ -996,15 +1218,23 @@ static void gen_cl (DisasContext *ctx, uint16_t opc,
GEN_LOAD_REG_TN(T0, rs);
switch (opc) {
case OPC_CLO:
- /* CLO */
gen_op_clo();
opn = "clo";
break;
case OPC_CLZ:
- /* CLZ */
gen_op_clz();
opn = "clz";
break;
+#ifdef MIPS_HAS_MIPS64
+ case OPC_DCLO:
+ gen_op_dclo();
+ opn = "dclo";
+ break;
+ case OPC_DCLZ:
+ gen_op_dclz();
+ opn = "dclz";
+ break;
+#endif
default:
MIPS_INVAL("CLx");
generate_exception(ctx, EXCP_RI);
@@ -1015,7 +1245,7 @@ static void gen_cl (DisasContext *ctx, uint16_t opc,
}
/* Traps */
-static void gen_trap (DisasContext *ctx, uint16_t opc,
+static void gen_trap (DisasContext *ctx, uint32_t opc,
int rs, int rt, int16_t imm)
{
int cond;
@@ -1130,7 +1360,7 @@ static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
}
/* Branches (before delay slot) */
-static void gen_compute_branch (DisasContext *ctx, uint16_t opc,
+static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
int rs, int rt, int32_t offset)
{
target_ulong btarget;
@@ -1180,8 +1410,9 @@ static void gen_compute_branch (DisasContext *ctx, uint16_t opc,
case OPC_JR:
case OPC_JALR:
/* Jump to register */
- if (offset != 0) {
- /* Only hint = 0 is valid */
+ if (offset != 0 && offset != 16) {
+ /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
+ others are reserved. */
generate_exception(ctx, EXCP_RI);
return;
}
@@ -1348,80 +1579,342 @@ static void gen_compute_branch (DisasContext *ctx, uint16_t opc,
return;
}
+/* special3 bitfield operations */
+static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
+ int rs, int lsb, int msb)
+{
+ GEN_LOAD_REG_TN(T1, rs);
+ switch (opc) {
+ case OPC_EXT:
+ if (lsb + msb > 31)
+ goto fail;
+ gen_op_ext(lsb, msb + 1);
+ break;
+ case OPC_DEXTM:
+ if (lsb + msb > 63)
+ goto fail;
+ gen_op_ext(lsb, msb + 1 + 32);
+ break;
+ case OPC_DEXTU:
+ if (lsb + msb > 63)
+ goto fail;
+ gen_op_ext(lsb + 32, msb + 1);
+ break;
+ case OPC_DEXT:
+ gen_op_ext(lsb, msb + 1);
+ break;
+ case OPC_INS:
+ if (lsb > msb)
+ goto fail;
+ GEN_LOAD_REG_TN(T2, rt);
+ gen_op_ins(lsb, msb - lsb + 1);
+ break;
+ case OPC_DINSM:
+ if (lsb > msb)
+ goto fail;
+ GEN_LOAD_REG_TN(T2, rt);
+ gen_op_ins(lsb, msb - lsb + 1 + 32);
+ break;
+ case OPC_DINSU:
+ if (lsb > msb)
+ goto fail;
+ GEN_LOAD_REG_TN(T2, rt);
+ gen_op_ins(lsb + 32, msb - lsb + 1);
+ break;
+ case OPC_DINS:
+ if (lsb > msb)
+ goto fail;
+ GEN_LOAD_REG_TN(T2, rt);
+ gen_op_ins(lsb, msb - lsb + 1);
+ break;
+ default:
+fail:
+ MIPS_INVAL("bitops");
+ generate_exception(ctx, EXCP_RI);
+ return;
+ }
+ GEN_STORE_TN_REG(rt, T0);
+}
+
/* CP0 (MMU and control) */
static void gen_mfc0 (DisasContext *ctx, int reg, int sel)
{
- const unsigned char *rn;
+ const char *rn = "invalid";
- if (sel != 0 && reg != 16 && reg != 28) {
- rn = "invalid";
- goto die;
- }
switch (reg) {
case 0:
- gen_op_mfc0_index();
- rn = "Index";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_index();
+ rn = "Index";
+ break;
+ case 1:
+// gen_op_mfc0_mvpcontrol(); /* MT ASE */
+ rn = "MVPControl";
+// break;
+ case 2:
+// gen_op_mfc0_mvpconf0(); /* MT ASE */
+ rn = "MVPConf0";
+// break;
+ case 3:
+// gen_op_mfc0_mvpconf1(); /* MT ASE */
+ rn = "MVPConf1";
+// break;
+ default:
+ goto die;
+ }
break;
case 1:
- gen_op_mfc0_random();
- rn = "Random";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_random();
+ rn = "Random";
+ break;
+ case 1:
+// gen_op_mfc0_vpecontrol(); /* MT ASE */
+ rn = "VPEControl";
+// break;
+ case 2:
+// gen_op_mfc0_vpeconf0(); /* MT ASE */
+ rn = "VPEConf0";
+// break;
+ case 3:
+// gen_op_mfc0_vpeconf1(); /* MT ASE */
+ rn = "VPEConf1";
+// break;
+ case 4:
+// gen_op_mfc0_YQMask(); /* MT ASE */
+ rn = "YQMask";
+// break;
+ case 5:
+// gen_op_mfc0_vpeschedule(); /* MT ASE */
+ rn = "VPESchedule";
+// break;
+ case 6:
+// gen_op_mfc0_vpeschefback(); /* MT ASE */
+ rn = "VPEScheFBack";
+// break;
+ case 7:
+// gen_op_mfc0_vpeopt(); /* MT ASE */
+ rn = "VPEOpt";
+// break;
+ default:
+ goto die;
+ }
break;
case 2:
- gen_op_mfc0_entrylo0();
- rn = "EntryLo0";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_entrylo0();
+ rn = "EntryLo0";
+ break;
+ case 1:
+// gen_op_mfc0_tcstatus(); /* MT ASE */
+ rn = "TCStatus";
+// break;
+ case 2:
+// gen_op_mfc0_tcbind(); /* MT ASE */
+ rn = "TCBind";
+// break;
+ case 3:
+// gen_op_mfc0_tcrestart(); /* MT ASE */
+ rn = "TCRestart";
+// break;
+ case 4:
+// gen_op_mfc0_tchalt(); /* MT ASE */
+ rn = "TCHalt";
+// break;
+ case 5:
+// gen_op_mfc0_tccontext(); /* MT ASE */
+ rn = "TCContext";
+// break;
+ case 6:
+// gen_op_mfc0_tcschedule(); /* MT ASE */
+ rn = "TCSchedule";
+// break;
+ case 7:
+// gen_op_mfc0_tcschefback(); /* MT ASE */
+ rn = "TCScheFBack";
+// break;
+ default:
+ goto die;
+ }
break;
case 3:
- /* also CONF */
- gen_op_mfc0_entrylo1();
- rn = "EntryLo1";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_entrylo1();
+ rn = "EntryLo1";
+ break;
+ default:
+ goto die;
+ }
break;
case 4:
- gen_op_mfc0_context();
- rn = "Context";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_context();
+ rn = "Context";
+ break;
+ case 1:
+// gen_op_mfc0_contextconfig(); /* SmartMIPS ASE */
+ rn = "ContextConfig";
+// break;
+ default:
+ goto die;
+ }
break;
case 5:
- gen_op_mfc0_pagemask();
- rn = "PageMask";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_pagemask();
+ rn = "PageMask";
+ break;
+ case 1:
+ gen_op_mfc0_pagegrain();
+ rn = "PageGrain";
+ break;
+ default:
+ goto die;
+ }
break;
case 6:
- gen_op_mfc0_wired();
- rn = "Wired";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_wired();
+ rn = "Wired";
+ break;
+ case 1:
+// gen_op_mfc0_srsconf0(); /* shadow registers */
+ rn = "SRSConf0";
+// break;
+ case 2:
+// gen_op_mfc0_srsconf1(); /* shadow registers */
+ rn = "SRSConf1";
+// break;
+ case 3:
+// gen_op_mfc0_srsconf2(); /* shadow registers */
+ rn = "SRSConf2";
+// break;
+ case 4:
+// gen_op_mfc0_srsconf3(); /* shadow registers */
+ rn = "SRSConf3";
+// break;
+ case 5:
+// gen_op_mfc0_srsconf4(); /* shadow registers */
+ rn = "SRSConf4";
+// break;
+ default:
+ goto die;
+ }
break;
case 7:
-// gen_op_mfc0_info();
- rn = "Info";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_hwrena();
+ rn = "HWREna";
+ break;
+ default:
+ goto die;
+ }
break;
case 8:
- gen_op_mfc0_badvaddr();
- rn = "BadVaddr";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_badvaddr();
+ rn = "BadVaddr";
+ break;
+ default:
+ goto die;
+ }
break;
case 9:
- gen_op_mfc0_count();
- rn = "Count";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_count();
+ rn = "Count";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ goto die;
+ }
break;
case 10:
- gen_op_mfc0_entryhi();
- rn = "EntryHi";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_entryhi();
+ rn = "EntryHi";
+ break;
+ default:
+ goto die;
+ }
break;
case 11:
- gen_op_mfc0_compare();
- rn = "Compare";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_compare();
+ rn = "Compare";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ goto die;
+ }
break;
case 12:
- gen_op_mfc0_status();
- rn = "Status";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_status();
+ rn = "Status";
+ break;
+ case 1:
+ gen_op_mfc0_intctl();
+ rn = "IntCtl";
+ break;
+ case 2:
+ gen_op_mfc0_srsctl();
+ rn = "SRSCtl";
+ break;
+ case 3:
+// gen_op_mfc0_srsmap(); /* shadow registers */
+ rn = "SRSMap";
+// break;
+ default:
+ goto die;
+ }
break;
case 13:
- gen_op_mfc0_cause();
- rn = "Cause";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_cause();
+ rn = "Cause";
+ break;
+ default:
+ goto die;
+ }
break;
case 14:
- gen_op_mfc0_epc();
- rn = "EPC";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_epc();
+ rn = "EPC";
+ break;
+ default:
+ goto die;
+ }
break;
case 15:
- gen_op_mfc0_prid();
- rn = "PRid";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_prid();
+ rn = "PRid";
+ break;
+ case 1:
+ gen_op_mfc0_ebase();
+ rn = "EBase";
+ break;
+ default:
+ goto die;
+ }
break;
case 16:
switch (sel) {
@@ -1433,91 +1926,285 @@ static void gen_mfc0 (DisasContext *ctx, int reg, int sel)
gen_op_mfc0_config1();
rn = "Config1";
break;
+ case 2:
+ gen_op_mfc0_config2();
+ rn = "Config2";
+ break;
+ case 3:
+ gen_op_mfc0_config3();
+ rn = "Config3";
+ break;
+ /* 6,7 are implementation dependent */
default:
- rn = "Unknown config register";
goto die;
}
break;
case 17:
- gen_op_mfc0_lladdr();
- rn = "LLAddr";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_lladdr();
+ rn = "LLAddr";
+ break;
+ default:
+ goto die;
+ }
break;
case 18:
- gen_op_mfc0_watchlo();
- rn = "WatchLo";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_watchlo0();
+ rn = "WatchLo";
+ break;
+ case 1:
+// gen_op_mfc0_watchlo1();
+ rn = "WatchLo1";
+// break;
+ case 2:
+// gen_op_mfc0_watchlo2();
+ rn = "WatchLo2";
+// break;
+ case 3:
+// gen_op_mfc0_watchlo3();
+ rn = "WatchLo3";
+// break;
+ case 4:
+// gen_op_mfc0_watchlo4();
+ rn = "WatchLo4";
+// break;
+ case 5:
+// gen_op_mfc0_watchlo5();
+ rn = "WatchLo5";
+// break;
+ case 6:
+// gen_op_mfc0_watchlo6();
+ rn = "WatchLo6";
+// break;
+ case 7:
+// gen_op_mfc0_watchlo7();
+ rn = "WatchLo7";
+// break;
+ default:
+ goto die;
+ }
break;
case 19:
- gen_op_mfc0_watchhi();
- rn = "WatchHi";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_watchhi0();
+ rn = "WatchHi";
+ break;
+ case 1:
+// gen_op_mfc0_watchhi1();
+ rn = "WatchHi1";
+// break;
+ case 2:
+// gen_op_mfc0_watchhi2();
+ rn = "WatchHi2";
+// break;
+ case 3:
+// gen_op_mfc0_watchhi3();
+ rn = "WatchHi3";
+// break;
+ case 4:
+// gen_op_mfc0_watchhi4();
+ rn = "WatchHi4";
+// break;
+ case 5:
+// gen_op_mfc0_watchhi5();
+ rn = "WatchHi5";
+// break;
+ case 6:
+// gen_op_mfc0_watchhi6();
+ rn = "WatchHi6";
+// break;
+ case 7:
+// gen_op_mfc0_watchhi7();
+ rn = "WatchHi7";
+// break;
+ default:
+ goto die;
+ }
break;
case 20:
- /* 64 bit only */
-// gen_op_mfc0_xcontext();
- rn = "XContext";
+ switch (sel) {
+ case 0:
+ /* 64 bit MMU only */
+ gen_op_mfc0_xcontext();
+ rn = "XContext";
+ break;
+ default:
+ goto die;
+ }
break;
case 21:
-// gen_op_mfc0_framemask();
- rn = "Framemask";
+ /* Officially reserved, but sel 0 is used for R1x000 framemask */
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_framemask();
+ rn = "Framemask";
+ break;
+ default:
+ goto die;
+ }
break;
case 22:
-// gen_op_mfc0_diagnostic();
- rn = "'Diagnostic";
- break;
+ /* ignored */
+ rn = "'Diagnostic"; /* implementation dependent */
+ break;
case 23:
- gen_op_mfc0_debug();
- rn = "Debug";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_debug(); /* EJTAG support */
+ rn = "Debug";
+ break;
+ case 1:
+// gen_op_mfc0_tracecontrol(); /* PDtrace support */
+ rn = "TraceControl";
+// break;
+ case 2:
+// gen_op_mfc0_tracecontrol2(); /* PDtrace support */
+ rn = "TraceControl2";
+// break;
+ case 3:
+// gen_op_mfc0_usertracedata(); /* PDtrace support */
+ rn = "UserTraceData";
+// break;
+ case 4:
+// gen_op_mfc0_debug(); /* PDtrace support */
+ rn = "TraceBPC";
+// break;
+ default:
+ goto die;
+ }
break;
case 24:
- gen_op_mfc0_depc();
- rn = "DEPC";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_depc(); /* EJTAG support */
+ rn = "DEPC";
+ break;
+ default:
+ goto die;
+ }
break;
case 25:
-// gen_op_mfc0_performance();
- rn = "Performance";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_performance0();
+ rn = "Performance0";
+ break;
+ case 1:
+// gen_op_mfc0_performance1();
+ rn = "Performance1";
+// break;
+ case 2:
+// gen_op_mfc0_performance2();
+ rn = "Performance2";
+// break;
+ case 3:
+// gen_op_mfc0_performance3();
+ rn = "Performance3";
+// break;
+ case 4:
+// gen_op_mfc0_performance4();
+ rn = "Performance4";
+// break;
+ case 5:
+// gen_op_mfc0_performance5();
+ rn = "Performance5";
+// break;
+ case 6:
+// gen_op_mfc0_performance6();
+ rn = "Performance6";
+// break;
+ case 7:
+// gen_op_mfc0_performance7();
+ rn = "Performance7";
+// break;
+ default:
+ goto die;
+ }
break;
case 26:
-// gen_op_mfc0_ecc();
- rn = "ECC";
- break;
+ rn = "ECC";
+ break;
case 27:
-// gen_op_mfc0_cacheerr();
- rn = "CacheErr";
+ switch (sel) {
+ /* ignored */
+ case 0 ... 3:
+ rn = "CacheErr";
+ break;
+ default:
+ goto die;
+ }
break;
case 28:
switch (sel) {
case 0:
+ case 2:
+ case 4:
+ case 6:
gen_op_mfc0_taglo();
rn = "TagLo";
break;
case 1:
+ case 3:
+ case 5:
+ case 7:
gen_op_mfc0_datalo();
rn = "DataLo";
break;
default:
- rn = "unknown sel";
goto die;
}
break;
case 29:
-// gen_op_mfc0_taghi();
- rn = "TagHi";
+ switch (sel) {
+ case 0:
+ case 2:
+ case 4:
+ case 6:
+ gen_op_mfc0_taghi();
+ rn = "TagHi";
+ break;
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ gen_op_mfc0_datahi();
+ rn = "DataHi";
+ break;
+ default:
+ goto die;
+ }
break;
case 30:
- gen_op_mfc0_errorepc();
- rn = "ErrorEPC";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_errorepc();
+ rn = "ErrorEPC";
+ break;
+ default:
+ goto die;
+ }
break;
case 31:
- gen_op_mfc0_desave();
- rn = "DESAVE";
+ switch (sel) {
+ case 0:
+ gen_op_mfc0_desave(); /* EJTAG support */
+ rn = "DESAVE";
+ break;
+ default:
+ goto die;
+ }
break;
default:
- rn = "unknown";
goto die;
}
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
- fprintf(logfile, "%08x mfc0 %s => %08x (%d %d)\n",
- env->PC, rn, T0, reg, sel);
+ fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
+ rn, reg, sel);
}
#endif
return;
@@ -1525,8 +2212,8 @@ static void gen_mfc0 (DisasContext *ctx, int reg, int sel)
die:
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
- fprintf(logfile, "%08x mfc0 %s => %08x (%d %d)\n",
- env->PC, rn, T0, reg, sel);
+ fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
+ rn, reg, sel);
}
#endif
generate_exception(ctx, EXCP_RI);
@@ -1534,167 +2221,583 @@ die:
static void gen_mtc0 (DisasContext *ctx, int reg, int sel)
{
- const unsigned char *rn;
- uint32_t val, old;
-
- if (sel != 0 && reg != 16 && reg != 28) {
- val = -1;
- old = -1;
- rn = "invalid";
- goto die;
- }
+ const char *rn = "invalid";
+
switch (reg) {
case 0:
- gen_op_mtc0_index();
- rn = "Index";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_index();
+ rn = "Index";
+ break;
+ case 1:
+// gen_op_mtc0_mvpcontrol(); /* MT ASE */
+ rn = "MVPControl";
+// break;
+ case 2:
+// gen_op_mtc0_mvpconf0(); /* MT ASE */
+ rn = "MVPConf0";
+// break;
+ case 3:
+// gen_op_mtc0_mvpconf1(); /* MT ASE */
+ rn = "MVPConf1";
+// break;
+ default:
+ goto die;
+ }
break;
case 1:
-// ignore or except?
- rn = "Random";
+ switch (sel) {
+ case 0:
+ /* ignored */
+ rn = "Random";
+ break;
+ case 1:
+// gen_op_mtc0_vpecontrol(); /* MT ASE */
+ rn = "VPEControl";
+// break;
+ case 2:
+// gen_op_mtc0_vpeconf0(); /* MT ASE */
+ rn = "VPEConf0";
+// break;
+ case 3:
+// gen_op_mtc0_vpeconf1(); /* MT ASE */
+ rn = "VPEConf1";
+// break;
+ case 4:
+// gen_op_mtc0_YQMask(); /* MT ASE */
+ rn = "YQMask";
+// break;
+ case 5:
+// gen_op_mtc0_vpeschedule(); /* MT ASE */
+ rn = "VPESchedule";
+// break;
+ case 6:
+// gen_op_mtc0_vpeschefback(); /* MT ASE */
+ rn = "VPEScheFBack";
+// break;
+ case 7:
+// gen_op_mtc0_vpeopt(); /* MT ASE */
+ rn = "VPEOpt";
+// break;
+ default:
+ goto die;
+ }
break;
case 2:
- gen_op_mtc0_entrylo0();
- rn = "EntryLo0";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_entrylo0();
+ rn = "EntryLo0";
+ break;
+ case 1:
+// gen_op_mtc0_tcstatus(); /* MT ASE */
+ rn = "TCStatus";
+// break;
+ case 2:
+// gen_op_mtc0_tcbind(); /* MT ASE */
+ rn = "TCBind";
+// break;
+ case 3:
+// gen_op_mtc0_tcrestart(); /* MT ASE */
+ rn = "TCRestart";
+// break;
+ case 4:
+// gen_op_mtc0_tchalt(); /* MT ASE */
+ rn = "TCHalt";
+// break;
+ case 5:
+// gen_op_mtc0_tccontext(); /* MT ASE */
+ rn = "TCContext";
+// break;
+ case 6:
+// gen_op_mtc0_tcschedule(); /* MT ASE */
+ rn = "TCSchedule";
+// break;
+ case 7:
+// gen_op_mtc0_tcschefback(); /* MT ASE */
+ rn = "TCScheFBack";
+// break;
+ default:
+ goto die;
+ }
break;
case 3:
- gen_op_mtc0_entrylo1();
- rn = "EntryLo1";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_entrylo1();
+ rn = "EntryLo1";
+ break;
+ default:
+ goto die;
+ }
break;
case 4:
- gen_op_mtc0_context();
- rn = "Context";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_context();
+ rn = "Context";
+ break;
+ case 1:
+// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
+ rn = "ContextConfig";
+// break;
+ default:
+ goto die;
+ }
break;
case 5:
- gen_op_mtc0_pagemask();
- rn = "PageMask";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_pagemask();
+ rn = "PageMask";
+ break;
+ case 1:
+ gen_op_mtc0_pagegrain();
+ rn = "PageGrain";
+ break;
+ default:
+ goto die;
+ }
break;
case 6:
- gen_op_mtc0_wired();
- rn = "Wired";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_wired();
+ rn = "Wired";
+ break;
+ case 1:
+// gen_op_mtc0_srsconf0(); /* shadow registers */
+ rn = "SRSConf0";
+// break;
+ case 2:
+// gen_op_mtc0_srsconf1(); /* shadow registers */
+ rn = "SRSConf1";
+// break;
+ case 3:
+// gen_op_mtc0_srsconf2(); /* shadow registers */
+ rn = "SRSConf2";
+// break;
+ case 4:
+// gen_op_mtc0_srsconf3(); /* shadow registers */
+ rn = "SRSConf3";
+// break;
+ case 5:
+// gen_op_mtc0_srsconf4(); /* shadow registers */
+ rn = "SRSConf4";
+// break;
+ default:
+ goto die;
+ }
break;
case 7:
-// ignore or except?
- rn = "Info";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_hwrena();
+ rn = "HWREna";
+ break;
+ default:
+ goto die;
+ }
break;
case 8:
-// ignore or except?
+ /* ignored */
rn = "BadVaddr";
break;
case 9:
- gen_op_mtc0_count();
- rn = "Count";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_count();
+ rn = "Count";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ goto die;
+ }
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
break;
case 10:
- gen_op_mtc0_entryhi();
- rn = "EntryHi";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_entryhi();
+ rn = "EntryHi";
+ break;
+ default:
+ goto die;
+ }
break;
case 11:
- gen_op_mtc0_compare();
- rn = "Compare";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_compare();
+ rn = "Compare";
+ break;
+ /* 6,7 are implementation dependent */
+ default:
+ goto die;
+ }
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
break;
case 12:
- gen_op_mtc0_status();
- rn = "Status";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_status();
+ rn = "Status";
+ break;
+ case 1:
+ gen_op_mtc0_intctl();
+ rn = "IntCtl";
+ break;
+ case 2:
+ gen_op_mtc0_srsctl();
+ rn = "SRSCtl";
+ break;
+ case 3:
+// gen_op_mtc0_srsmap(); /* shadow registers */
+ rn = "SRSMap";
+// break;
+ default:
+ goto die;
+ }
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
break;
case 13:
- gen_op_mtc0_cause();
- rn = "Cause";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_cause();
+ rn = "Cause";
+ break;
+ default:
+ goto die;
+ }
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
break;
case 14:
- gen_op_mtc0_epc();
- rn = "EPC";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_epc();
+ rn = "EPC";
+ break;
+ default:
+ goto die;
+ }
break;
case 15:
-// ignore or except?
- rn = "PRid";
+ switch (sel) {
+ case 0:
+ /* ignored */
+ rn = "PRid";
+ break;
+ case 1:
+ gen_op_mtc0_ebase();
+ rn = "EBase";
+ break;
+ default:
+ goto die;
+ }
break;
case 16:
switch (sel) {
case 0:
gen_op_mtc0_config0();
- rn = "Config0";
+ rn = "Config";
+ break;
+ case 1:
+ /* ignored */
+ rn = "Config1";
+ break;
+ case 2:
+ gen_op_mtc0_config2();
+ rn = "Config2";
break;
+ case 3:
+ /* ignored */
+ rn = "Config3";
+ break;
+ /* 6,7 are implementation dependent */
default:
rn = "Invalid config selector";
goto die;
}
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
break;
case 17:
-// ignore or except?
- rn = "LLaddr";
+ switch (sel) {
+ case 0:
+ /* ignored */
+ rn = "LLAddr";
+ break;
+ default:
+ goto die;
+ }
break;
case 18:
- gen_op_mtc0_watchlo();
- rn = "WatchLo";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_watchlo0();
+ rn = "WatchLo";
+ break;
+ case 1:
+// gen_op_mtc0_watchlo1();
+ rn = "WatchLo1";
+// break;
+ case 2:
+// gen_op_mtc0_watchlo2();
+ rn = "WatchLo2";
+// break;
+ case 3:
+// gen_op_mtc0_watchlo3();
+ rn = "WatchLo3";
+// break;
+ case 4:
+// gen_op_mtc0_watchlo4();
+ rn = "WatchLo4";
+// break;
+ case 5:
+// gen_op_mtc0_watchlo5();
+ rn = "WatchLo5";
+// break;
+ case 6:
+// gen_op_mtc0_watchlo6();
+ rn = "WatchLo6";
+// break;
+ case 7:
+// gen_op_mtc0_watchlo7();
+ rn = "WatchLo7";
+// break;
+ default:
+ goto die;
+ }
break;
case 19:
- gen_op_mtc0_watchhi();
- rn = "WatchHi";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_watchhi0();
+ rn = "WatchHi";
+ break;
+ case 1:
+// gen_op_mtc0_watchhi1();
+ rn = "WatchHi1";
+// break;
+ case 2:
+// gen_op_mtc0_watchhi2();
+ rn = "WatchHi2";
+// break;
+ case 3:
+// gen_op_mtc0_watchhi3();
+ rn = "WatchHi3";
+// break;
+ case 4:
+// gen_op_mtc0_watchhi4();
+ rn = "WatchHi4";
+// break;
+ case 5:
+// gen_op_mtc0_watchhi5();
+ rn = "WatchHi5";
+// break;
+ case 6:
+// gen_op_mtc0_watchhi6();
+ rn = "WatchHi6";
+// break;
+ case 7:
+// gen_op_mtc0_watchhi7();
+ rn = "WatchHi7";
+// break;
+ default:
+ goto die;
+ }
break;
case 20:
- /* 64 bit only */
-// gen_op_mtc0_xcontext();
- rn = "XContext";
+ switch (sel) {
+ case 0:
+ /* 64 bit MMU only */
+ gen_op_mtc0_xcontext();
+ rn = "XContext";
+ break;
+ default:
+ goto die;
+ }
break;
case 21:
-// gen_op_mtc0_framemask();
- rn = "Framemask";
- break;
+ /* Officially reserved, but sel 0 is used for R1x000 framemask */
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_framemask();
+ rn = "Framemask";
+ break;
+ default:
+ goto die;
+ }
+ break;
case 22:
-// ignore or except?
- rn = "Diagnostic";
+ /* ignored */
+ rn = "Diagnostic"; /* implementation dependent */
break;
case 23:
- gen_op_mtc0_debug();
- rn = "Debug";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_debug(); /* EJTAG support */
+ rn = "Debug";
+ break;
+ case 1:
+// gen_op_mtc0_tracecontrol(); /* PDtrace support */
+ rn = "TraceControl";
+// break;
+ case 2:
+// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
+ rn = "TraceControl2";
+// break;
+ case 3:
+// gen_op_mtc0_usertracedata(); /* PDtrace support */
+ rn = "UserTraceData";
+// break;
+ case 4:
+// gen_op_mtc0_debug(); /* PDtrace support */
+ rn = "TraceBPC";
+// break;
+ default:
+ goto die;
+ }
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
break;
case 24:
- gen_op_mtc0_depc();
- rn = "DEPC";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_depc(); /* EJTAG support */
+ rn = "DEPC";
+ break;
+ default:
+ goto die;
+ }
break;
case 25:
-// ignore or except?
- rn = "Performance";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_performance0();
+ rn = "Performance0";
+ break;
+ case 1:
+// gen_op_mtc0_performance1();
+ rn = "Performance1";
+// break;
+ case 2:
+// gen_op_mtc0_performance2();
+ rn = "Performance2";
+// break;
+ case 3:
+// gen_op_mtc0_performance3();
+ rn = "Performance3";
+// break;
+ case 4:
+// gen_op_mtc0_performance4();
+ rn = "Performance4";
+// break;
+ case 5:
+// gen_op_mtc0_performance5();
+ rn = "Performance5";
+// break;
+ case 6:
+// gen_op_mtc0_performance6();
+ rn = "Performance6";
+// break;
+ case 7:
+// gen_op_mtc0_performance7();
+ rn = "Performance7";
+// break;
+ default:
+ goto die;
+ }
break;
case 26:
-// ignore or except?
+ /* ignored */
rn = "ECC";
break;
case 27:
-// ignore or except?
- rn = "CacheErr";
+ switch (sel) {
+ case 0 ... 3:
+ /* ignored */
+ rn = "CacheErr";
+ break;
+ default:
+ goto die;
+ }
break;
case 28:
switch (sel) {
case 0:
+ case 2:
+ case 4:
+ case 6:
gen_op_mtc0_taglo();
rn = "TagLo";
break;
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ gen_op_mtc0_datalo();
+ rn = "DataLo";
+ break;
default:
- rn = "invalid sel";
goto die;
}
break;
case 29:
-// gen_op_mtc0_taghi();
- rn = "TagHi";
+ switch (sel) {
+ case 0:
+ case 2:
+ case 4:
+ case 6:
+ gen_op_mtc0_taghi();
+ rn = "TagHi";
+ break;
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ gen_op_mtc0_datahi();
+ rn = "DataHi";
+ break;
+ default:
+ rn = "invalid sel";
+ goto die;
+ }
break;
case 30:
- gen_op_mtc0_errorepc();
- rn = "ErrorEPC";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_errorepc();
+ rn = "ErrorEPC";
+ break;
+ default:
+ goto die;
+ }
break;
case 31:
- gen_op_mtc0_desave();
- rn = "DESAVE";
+ switch (sel) {
+ case 0:
+ gen_op_mtc0_desave(); /* EJTAG support */
+ rn = "DESAVE";
+ break;
+ default:
+ goto die;
+ }
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
break;
default:
- rn = "unknown";
goto die;
}
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
- fprintf(logfile, "%08x mtc0 %s => %08x (%d %d)\n",
- env->PC, rn, T0, reg, sel);
+ fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
+ rn, reg, sel);
}
#endif
return;
@@ -1702,16 +2805,16 @@ static void gen_mtc0 (DisasContext *ctx, int reg, int sel)
die:
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
- fprintf(logfile, "%08x mtc0 %s => %08x (%d %d)\n",
- env->PC, rn, T0, reg, sel);
+ fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
+ rn, reg, sel);
}
#endif
generate_exception(ctx, EXCP_RI);
}
-static void gen_cp0 (DisasContext *ctx, uint16_t opc, int rt, int rd)
+static void gen_cp0 (DisasContext *ctx, uint32_t opc, int rt, int rd)
{
- const unsigned char *opn = "unk";
+ const char *opn = "unk";
if (!(ctx->CP0_Status & (1 << CP0St_CU0)) &&
(ctx->hflags & MIPS_HFLAG_UM) &&
@@ -1720,7 +2823,7 @@ static void gen_cp0 (DisasContext *ctx, uint16_t opc, int rt, int rd)
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "CP0 is not usable\n");
}
- generate_exception_err (ctx, EXCP_CpU, 0);
+ generate_exception (ctx, EXCP_CpU);
return;
}
@@ -1736,13 +2839,12 @@ static void gen_cp0 (DisasContext *ctx, uint16_t opc, int rt, int rd)
break;
case OPC_MTC0:
/* If we get an exception, we want to restart at next instruction */
+ /* XXX: breaks for mtc in delay slot */
ctx->pc += 4;
save_cpu_state(ctx, 1);
ctx->pc -= 4;
GEN_LOAD_REG_TN(T0, rt);
gen_mtc0(ctx, rd, ctx->opcode & 0x7);
- /* Stop translation as we may have switched the execution mode */
- ctx->bstate = BS_STOP;
opn = "mtc0";
break;
#if defined(MIPS_USES_R4K_TLB)
@@ -1800,31 +2902,30 @@ static void gen_cp0 (DisasContext *ctx, uint16_t opc, int rt, int rd)
MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
}
-#ifdef MIPS_USES_FPU
/* CP1 Branches (before delay slot) */
-static void gen_compute_branch1 (DisasContext *ctx, uint16_t cond,
+static void gen_compute_branch1 (DisasContext *ctx, uint32_t op,
int32_t offset)
{
target_ulong btarget;
btarget = ctx->pc + 4 + offset;
- switch (cond) {
- case 0x0000: /* bc1f */
+ switch (op) {
+ case OPC_BC1F:
gen_op_bc1f();
MIPS_DEBUG("bc1f %08x", btarget);
goto not_likely;
- case 0x0002: /* bc1fl */
+ case OPC_BC1FL:
gen_op_bc1f();
MIPS_DEBUG("bc1fl %08x", btarget);
goto likely;
- case 0x0001: /* bc1t */
+ case OPC_BC1T:
gen_op_bc1t();
MIPS_DEBUG("bc1t %08x", btarget);
not_likely:
ctx->hflags |= MIPS_HFLAG_BC;
break;
- case 0x0003: /* bc1tl */
+ case OPC_BC1TL:
gen_op_bc1t();
MIPS_DEBUG("bc1tl %08x", btarget);
likely:
@@ -1832,7 +2933,7 @@ static void gen_compute_branch1 (DisasContext *ctx, uint16_t cond,
break;
default:
MIPS_INVAL("cp1 branch/jump");
- generate_exception(ctx, EXCP_RI);
+ generate_exception_err (ctx, EXCP_RI, 1);
return;
}
gen_op_set_bcond();
@@ -1845,9 +2946,9 @@ static void gen_compute_branch1 (DisasContext *ctx, uint16_t cond,
}
/* Coprocessor 1 (FPU) */
-static void gen_cp1 (DisasContext *ctx, uint16_t opc, int rt, int fs)
+static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
{
- const unsigned char *opn = "unk";
+ const char *opn = "unk";
switch (opc) {
case OPC_MFC1:
@@ -1865,7 +2966,7 @@ static void gen_cp1 (DisasContext *ctx, uint16_t opc, int rt, int fs)
case OPC_CFC1:
if (fs != 0 && fs != 31) {
MIPS_INVAL("cfc1 freg");
- generate_exception(ctx, EXCP_RI);
+ generate_exception_err (ctx, EXCP_RI, 1);
return;
}
GEN_LOAD_IMM_TN(T1, fs);
@@ -1874,9 +2975,9 @@ static void gen_cp1 (DisasContext *ctx, uint16_t opc, int rt, int fs)
opn = "cfc1";
break;
case OPC_CTC1:
- if (fs != 0 && fs != 31) {
+ if (fs != 0 && fs != 31) {
MIPS_INVAL("ctc1 freg");
- generate_exception(ctx, EXCP_RI);
+ generate_exception_err (ctx, EXCP_RI, 1);
return;
}
GEN_LOAD_IMM_TN(T1, fs);
@@ -1890,7 +2991,7 @@ static void gen_cp1 (DisasContext *ctx, uint16_t opc, int rt, int fs)
ctx->opcode, ctx->opcode >> 26, ctx->opcode & 0x3F,
((ctx->opcode >> 16) & 0x1F));
}
- generate_exception(ctx, EXCP_RI);
+ generate_exception_err (ctx, EXCP_RI, 1);
return;
}
MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
@@ -1908,16 +3009,16 @@ static void gen_cp1 (DisasContext *ctx, uint16_t opc, int rt, int fs)
*/
#define CHECK_FR(ctx, freg) do { \
if (!((ctx)->CP0_Status & (1<<CP0St_FR)) && ((freg) & 1)) { \
- generate_exception(ctx, EXCP_RI); \
+ generate_exception_err (ctx, EXCP_RI, 1); \
return; \
} \
} while(0)
#define FOP(func, fmt) (((fmt) << 21) | (func))
-static void gen_farith (DisasContext *ctx, int fmt, int ft, int fs, int fd, int func)
+static void gen_farith (DisasContext *ctx, uint32_t op1, int ft, int fs, int fd)
{
- const unsigned char *opn = "unk";
+ const char *opn = "unk";
const char *condnames[] = {
"c.f",
"c.un",
@@ -1937,7 +3038,8 @@ static void gen_farith (DisasContext *ctx, int fmt, int ft, int fs, int fd, int
"c.ngt",
};
int binary = 0;
-
+ uint32_t func = ctx->opcode & 0x3f;
+
switch (ctx->opcode & FOP(0x3f, 0x1f)) {
case FOP(0, 17):
CHECK_FR(ctx, fs | ft | fd);
@@ -2033,7 +3135,7 @@ static void gen_farith (DisasContext *ctx, int fmt, int ft, int fs, int fd, int
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_floorw_d();
GEN_STORE_FTN_FREG(fd, WT2);
- opn = "ceil.w.d";
+ opn = "floor.w.d";
break;
case FOP(33, 16): /* cvt.d.s */
CHECK_FR(ctx, fs | fd);
@@ -2201,11 +3303,11 @@ static void gen_farith (DisasContext *ctx, int fmt, int ft, int fs, int fd, int
break;
default:
if (loglevel & CPU_LOG_TB_IN_ASM) {
- fprintf(logfile, "Invalid arith function: %08x %03x %03x %03x\n",
+ fprintf(logfile, "Invalid FP arith function: %08x %03x %03x %03x\n",
ctx->opcode, ctx->opcode >> 26, ctx->opcode & 0x3F,
((ctx->opcode >> 16) & 0x1F));
}
- generate_exception(ctx, EXCP_RI);
+ generate_exception_err (ctx, EXCP_RI, 1);
return;
}
if (binary)
@@ -2213,14 +3315,27 @@ static void gen_farith (DisasContext *ctx, int fmt, int ft, int fs, int fd, int
else
MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
}
-#endif
-/* ISA extensions */
+static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf)
+{
+ uint32_t ccbit;
+
+ if (cc)
+ ccbit = 1 << (24 + cc);
+ else
+ ccbit = 1 << 23;
+ if (!tf)
+ gen_op_movf(ccbit, rd, rs);
+ else
+ gen_op_movt(ccbit, rd, rs);
+}
+
+/* ISA extensions (ASEs) */
/* MIPS16 extension to MIPS32 */
/* SmartMIPS extension to MIPS32 */
-#ifdef TARGET_MIPS64
-static void gen_arith64 (DisasContext *ctx, uint16_t opc)
+#ifdef MIPS_HAS_MIPS64
+static void gen_arith64 (DisasContext *ctx, uint32_t opc)
{
if (func == 0x02 && rd == 0) {
/* NOP */
@@ -2265,7 +3380,7 @@ static void decode_opc (DisasContext *ctx)
{
int32_t offset;
int rs, rt, rd, sa;
- uint16_t op, op1;
+ uint32_t op, op1, op2;
int16_t imm;
/* make sure instructions are on a word boundary */
@@ -2279,76 +3394,86 @@ static void decode_opc (DisasContext *ctx)
MIPS_DEBUG("blikely condition (%08x)", ctx->pc + 4);
gen_blikely(ctx);
}
- op = ctx->opcode >> 26;
- rs = ((ctx->opcode >> 21) & 0x1F);
- rt = ((ctx->opcode >> 16) & 0x1F);
- rd = ((ctx->opcode >> 11) & 0x1F);
- sa = ((ctx->opcode >> 6) & 0x1F);
+ op = MASK_OP_MAJOR(ctx->opcode);
+ rs = (ctx->opcode >> 21) & 0x1f;
+ rt = (ctx->opcode >> 16) & 0x1f;
+ rd = (ctx->opcode >> 11) & 0x1f;
+ sa = (ctx->opcode >> 6) & 0x1f;
imm = (int16_t)ctx->opcode;
switch (op) {
- case 0x00: /* Special opcode */
- op1 = ctx->opcode & 0x3F;
+ case OPC_SPECIAL:
+ op1 = MASK_SPECIAL(ctx->opcode);
switch (op1) {
- case 0x00: /* Arithmetic with immediate */
- case 0x02 ... 0x03:
- gen_arith_imm(ctx, op1 | EXT_SPECIAL, rd, rt, sa);
- break;
- case 0x04: /* Arithmetic */
- case 0x06 ... 0x07:
- case 0x0A ... 0x0B:
- case 0x20 ... 0x27:
- case 0x2A ... 0x2B:
- gen_arith(ctx, op1 | EXT_SPECIAL, rd, rs, rt);
- break;
- case 0x18 ... 0x1B: /* MULT / DIV */
- gen_muldiv(ctx, op1 | EXT_SPECIAL, rs, rt);
- break;
- case 0x08 ... 0x09: /* Jumps */
- gen_compute_branch(ctx, op1 | EXT_SPECIAL, rs, rd, sa);
+ case OPC_SLL: /* Arithmetic with immediate */
+ case OPC_SRL ... OPC_SRA:
+ gen_arith_imm(ctx, op1, rd, rt, sa);
+ break;
+ case OPC_SLLV: /* Arithmetic */
+ case OPC_SRLV ... OPC_SRAV:
+ case OPC_MOVZ ... OPC_MOVN:
+ case OPC_ADD ... OPC_NOR:
+ case OPC_SLT ... OPC_SLTU:
+ gen_arith(ctx, op1, rd, rs, rt);
+ break;
+ case OPC_MULT ... OPC_DIVU:
+ gen_muldiv(ctx, op1, rs, rt);
+ break;
+ case OPC_JR ... OPC_JALR:
+ gen_compute_branch(ctx, op1, rs, rd, sa);
return;
- case 0x30 ... 0x34: /* Traps */
- case 0x36:
- gen_trap(ctx, op1 | EXT_SPECIAL, rs, rt, -1);
+ case OPC_TGE ... OPC_TEQ: /* Traps */
+ case OPC_TNE:
+ gen_trap(ctx, op1, rs, rt, -1);
break;
- case 0x10: /* Move from HI/LO */
- case 0x12:
- gen_HILO(ctx, op1 | EXT_SPECIAL, rd);
+ case OPC_MFHI: /* Move from HI/LO */
+ case OPC_MFLO:
+ gen_HILO(ctx, op1, rd);
break;
- case 0x11:
- case 0x13: /* Move to HI/LO */
- gen_HILO(ctx, op1 | EXT_SPECIAL, rs);
+ case OPC_MTHI:
+ case OPC_MTLO: /* Move to HI/LO */
+ gen_HILO(ctx, op1, rs);
break;
- case 0x0C: /* SYSCALL */
+ case OPC_PMON: /* Pmon entry point */
+ gen_op_pmon(sa);
+ break;
+ case OPC_SYSCALL:
generate_exception(ctx, EXCP_SYSCALL);
+ ctx->bstate = BS_EXCP;
break;
- case 0x0D: /* BREAK */
+ case OPC_BREAK:
generate_exception(ctx, EXCP_BREAK);
break;
- case 0x0F: /* SYNC */
- /* Treat as a noop */
+ case OPC_SPIM: /* SPIM ? */
+ /* Implemented as RI exception for now. */
+ MIPS_INVAL("spim (unofficial)");
+ generate_exception(ctx, EXCP_RI);
break;
- case 0x05: /* Pmon entry point */
- gen_op_pmon((ctx->opcode >> 6) & 0x1F);
+ case OPC_SYNC:
+ /* Treat as a noop. */
break;
- case 0x01: /* MOVCI */
-#if defined (MIPS_HAS_MOVCI)
- /* XXX */
-#else
- /* Not implemented */
- generate_exception_err (ctx, EXCP_CpU, 1);
-#endif
+ case OPC_MOVCI:
+ gen_op_cp1_enabled();
+ gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
+ (ctx->opcode >> 16) & 1);
break;
-#if defined (TARGET_MIPS64)
- case 0x14: /* MIPS64 specific opcodes */
- case 0x16:
- case 0x17:
- case 0x1C ... 0x1F:
- case 0x2C ... 0x2F:
- case 0x37:
- case 0x39 ... 0x3B:
- case 0x3E ... 0x3F:
+#ifdef MIPS_HAS_MIPS64
+ /* MIPS64 specific opcodes */
+ case OPC_DSLL:
+ case OPC_DSRL ... OPC_DSRA:
+ case OPC_DSLL32:
+ case OPC_DSRL32 ... OPC_DSRA32:
+ gen_arith_imm(ctx, op1, rd, rt, sa);
+ break;
+ case OPC_DSLLV:
+ case OPC_DSRLV ... OPC_DSRAV:
+ case OPC_DADD ... OPC_DSUBU:
+ gen_arith(ctx, op1, rd, rs, rt);
+ break;
+ case OPC_DMULT ... OPC_DDIVU:
+ gen_muldiv(ctx, op1, rs, rt);
+ break;
#endif
default: /* Invalid */
MIPS_INVAL("special");
@@ -2356,23 +3481,20 @@ static void decode_opc (DisasContext *ctx)
break;
}
break;
- case 0x1C: /* Special2 opcode */
- op1 = ctx->opcode & 0x3F;
+ case OPC_SPECIAL2:
+ op1 = MASK_SPECIAL2(ctx->opcode);
switch (op1) {
-#if defined (MIPS_USES_R4K_EXT)
- /* Those instructions are not part of MIPS32 core */
- case 0x00 ... 0x01: /* Multiply and add/sub */
- case 0x04 ... 0x05:
- gen_muldiv(ctx, op1 | EXT_SPECIAL2, rs, rt);
+ case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
+ case OPC_MSUB ... OPC_MSUBU:
+ gen_muldiv(ctx, op1, rs, rt);
break;
- case 0x02: /* MUL */
- gen_arith(ctx, op1 | EXT_SPECIAL2, rd, rs, rt);
+ case OPC_MUL:
+ gen_arith(ctx, op1, rd, rs, rt);
break;
- case 0x20 ... 0x21: /* CLO / CLZ */
- gen_cl(ctx, op1 | EXT_SPECIAL2, rd, rs);
+ case OPC_CLZ ... OPC_CLO:
+ gen_cl(ctx, op1, rd, rs);
break;
-#endif
- case 0x3F: /* SDBBP */
+ case OPC_SDBBP:
/* XXX: not clear which exception should be raised
* when in debug mode...
*/
@@ -2383,22 +3505,109 @@ static void decode_opc (DisasContext *ctx)
}
/* Treat as a noop */
break;
+#ifdef MIPS_HAS_MIPS64
+ case OPC_DCLZ ... OPC_DCLO:
+ gen_cl(ctx, op1, rd, rs);
+ break;
+#endif
default: /* Invalid */
MIPS_INVAL("special2");
generate_exception(ctx, EXCP_RI);
break;
}
break;
- case 0x01: /* B REGIMM opcode */
- op1 = ((ctx->opcode >> 16) & 0x1F);
+ case OPC_SPECIAL3:
+ op1 = MASK_SPECIAL3(ctx->opcode);
switch (op1) {
- case 0x00 ... 0x03: /* REGIMM branches */
- case 0x10 ... 0x13:
- gen_compute_branch(ctx, op1 | EXT_REGIMM, rs, -1, imm << 2);
+ case OPC_EXT:
+ case OPC_INS:
+ gen_bitops(ctx, op1, rt, rs, sa, rd);
+ break;
+ case OPC_BSHFL:
+ op2 = MASK_BSHFL(ctx->opcode);
+ switch (op2) {
+ case OPC_WSBH:
+ GEN_LOAD_REG_TN(T1, rt);
+ gen_op_wsbh();
+ break;
+ case OPC_SEB:
+ GEN_LOAD_REG_TN(T1, rt);
+ gen_op_seb();
+ break;
+ case OPC_SEH:
+ GEN_LOAD_REG_TN(T1, rt);
+ gen_op_seh();
+ break;
+ default: /* Invalid */
+ MIPS_INVAL("bshfl");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ GEN_STORE_TN_REG(rd, T0);
+ break;
+ case OPC_RDHWR:
+ switch (rd) {
+ case 0:
+ gen_op_rdhwr_cpunum();
+ break;
+ case 1:
+ gen_op_rdhwr_synci_step();
+ break;
+ case 2:
+ gen_op_rdhwr_cc();
+ break;
+ case 3:
+ gen_op_rdhwr_ccres();
+ break;
+ default: /* Invalid */
+ MIPS_INVAL("rdhwr");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ GEN_STORE_TN_REG(rt, T0);
+ break;
+#ifdef MIPS_HAS_MIPS64
+ case OPC_DEXTM ... OPC_DEXT:
+ case OPC_DINSM ... OPC_DINS:
+ gen_bitops(ctx, op1, rt, rs, sa, rd);
+ break;
+ case OPC_DBSHFL:
+ op2 = MASK_DBSHFL(ctx->opcode);
+ switch (op2) {
+ case OPC_DSBH:
+ GEN_LOAD_REG_TN(T1, rt);
+ gen_op_dsbh();
+ break;
+ case OPC_DSHD:
+ GEN_LOAD_REG_TN(T1, rt);
+ gen_op_dshd();
+ break;
+ default: /* Invalid */
+ MIPS_INVAL("dbshfl");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ GEN_STORE_TN_REG(rd, T0);
+#endif
+ default: /* Invalid */
+ MIPS_INVAL("special3");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ break;
+ case OPC_REGIMM:
+ op1 = MASK_REGIMM(ctx->opcode);
+ switch (op1) {
+ case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */
+ case OPC_BLTZAL ... OPC_BGEZALL:
+ gen_compute_branch(ctx, op1, rs, -1, imm << 2);
return;
- case 0x08 ... 0x0C: /* Traps */
- case 0x0E:
- gen_trap(ctx, op1 | EXT_REGIMM, rs, -1, imm);
+ case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
+ case OPC_TNEI:
+ gen_trap(ctx, op1, rs, -1, imm);
+ break;
+ case OPC_SYNCI:
+ /* treat as noop */
break;
default: /* Invalid */
MIPS_INVAL("REGIMM");
@@ -2406,48 +3615,78 @@ static void decode_opc (DisasContext *ctx)
break;
}
break;
- case 0x10: /* CP0 opcode */
- op1 = ((ctx->opcode >> 21) & 0x1F);
+ case OPC_CP0:
+ op1 = MASK_CP0(ctx->opcode);
switch (op1) {
- case 0x00:
- case 0x04:
- gen_cp0(ctx, op1 | EXT_CP0, rt, rd);
+ case OPC_MFC0:
+ case OPC_MTC0:
+#ifdef MIPS_HAS_MIPS64
+ case OPC_DMFC0:
+ case OPC_DMTC0:
+#endif
+ gen_cp0(ctx, op1, rt, rd);
+ break;
+ case OPC_C0_FIRST ... OPC_C0_LAST:
+ gen_cp0(ctx, MASK_C0(ctx->opcode), rt, rd);
+ break;
+ case OPC_MFMC0:
+ op2 = MASK_MFMC0(ctx->opcode);
+ switch (op2) {
+ case OPC_DI:
+ gen_op_di();
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ break;
+ case OPC_EI:
+ gen_op_ei();
+ /* Stop translation as we may have switched the execution mode */
+ ctx->bstate = BS_STOP;
+ break;
+ default: /* Invalid */
+ MIPS_INVAL("MFMC0");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+ GEN_STORE_TN_REG(rt, T0);
break;
+ /* Shadow registers (not implemented). */
+ case OPC_RDPGPR:
+ case OPC_WRPGPR:
default:
- gen_cp0(ctx, (ctx->opcode & 0x3F) | EXT_CP0, rt, rd);
+ generate_exception(ctx, EXCP_RI);
break;
}
break;
- case 0x08 ... 0x0F: /* Arithmetic with immediate opcode */
- gen_arith_imm(ctx, op, rt, rs, imm);
- break;
- case 0x02 ... 0x03: /* Jump */
- offset = (int32_t)(ctx->opcode & 0x03FFFFFF) << 2;
- gen_compute_branch(ctx, op, rs, rt, offset);
- return;
- case 0x04 ... 0x07: /* Branch */
- case 0x14 ... 0x17:
- gen_compute_branch(ctx, op, rs, rt, imm << 2);
- return;
- case 0x20 ... 0x2E: /* Load and stores */
- case 0x30:
- case 0x38:
- gen_ldst(ctx, op, rt, rs, imm);
- break;
- case 0x2F: /* Cache operation */
- /* Treat as a noop */
- break;
- case 0x33: /* Prefetch */
+ case OPC_ADDI ... OPC_LUI: /* Arithmetic with immediate opcode */
+ gen_arith_imm(ctx, op, rt, rs, imm);
+ break;
+ case OPC_J ... OPC_JAL: /* Jump */
+ offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
+ gen_compute_branch(ctx, op, rs, rt, offset);
+ return;
+ case OPC_BEQ ... OPC_BGTZ: /* Branch */
+ case OPC_BEQL ... OPC_BGTZL:
+ gen_compute_branch(ctx, op, rs, rt, imm << 2);
+ return;
+ case OPC_LB ... OPC_LWR: /* Load and stores */
+ case OPC_SB ... OPC_SW:
+ case OPC_SWR:
+ case OPC_LL:
+ case OPC_SC:
+ gen_ldst(ctx, op, rt, rs, imm);
+ break;
+ case OPC_CACHE:
+ /* Treat as a noop */
+ break;
+ case OPC_PREF:
/* Treat as a noop */
break;
- case 0x3F: /* HACK */
- break;
/* Floating point. */
- case 0x31: /* LWC1 */
- case 0x35: /* LDC1 */
- case 0x39: /* SWC1 */
- case 0x3D: /* SDC1 */
+ case OPC_LWC1:
+ case OPC_LDC1:
+ case OPC_SWC1:
+ case OPC_SDC1:
#if defined(MIPS_USES_FPU)
save_cpu_state(ctx, 1);
gen_op_cp1_enabled();
@@ -2457,65 +3696,80 @@ static void decode_opc (DisasContext *ctx)
#endif
break;
- case 0x11: /* CP1 opcode */
+ case OPC_CP1:
#if defined(MIPS_USES_FPU)
save_cpu_state(ctx, 1);
gen_op_cp1_enabled();
- op1 = ((ctx->opcode >> 21) & 0x1F);
+ op1 = MASK_CP1(ctx->opcode);
switch (op1) {
- case 0x00: /* mfc1 */
- case 0x02: /* cfc1 */
- case 0x04: /* mtc1 */
- case 0x06: /* ctc1 */
- gen_cp1(ctx, op1 | EXT_CP1, rt, rd);
- break;
- case 0x08: /* bc */
- gen_compute_branch1(ctx, rt, imm << 2);
+ case OPC_MFC1:
+ case OPC_CFC1:
+ case OPC_MTC1:
+ case OPC_CTC1:
+ gen_cp1(ctx, op1, rt, rd);
+ break;
+ case OPC_BC1:
+ gen_compute_branch1(ctx, MASK_CP1_BCOND(ctx->opcode), imm << 2);
return;
- case 0x10: /* 16: fmt=single fp */
- case 0x11: /* 17: fmt=double fp */
- case 0x14: /* 20: fmt=32bit fixed */
- case 0x15: /* 21: fmt=64bit fixed */
- gen_farith(ctx, op1, rt, rd, sa, ctx->opcode & 0x3f);
+ case OPC_S_FMT:
+ case OPC_D_FMT:
+ case OPC_W_FMT:
+ case OPC_L_FMT:
+ gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa);
break;
default:
generate_exception_err(ctx, EXCP_RI, 1);
break;
}
- break;
#else
generate_exception_err(ctx, EXCP_CpU, 1);
#endif
break;
/* COP2. */
- case 0x32: /* LWC2 */
- case 0x36: /* LDC2 */
- case 0x3A: /* SWC2 */
- case 0x3E: /* SDC2 */
- case 0x12: /* CP2 opcode */
- /* Not implemented */
+ case OPC_LWC2:
+ case OPC_LDC2:
+ case OPC_SWC2:
+ case OPC_SDC2:
+ case OPC_CP2:
+ /* COP2: Not implemented. */
generate_exception_err(ctx, EXCP_CpU, 2);
break;
- case 0x13: /* CP3 opcode */
+ case OPC_CP3:
+ gen_op_cp1_enabled();
+ op1 = MASK_CP3(ctx->opcode);
+ switch (op1) {
/* Not implemented */
- generate_exception_err(ctx, EXCP_CpU, 3);
+ default:
+ generate_exception_err(ctx, EXCP_RI, 1);
+ break;
+ }
break;
-#if defined (TARGET_MIPS64)
- case 0x18 ... 0x1B:
- case 0x27:
- case 0x34:
- case 0x37:
- /* MIPS64 opcodes */
+#ifdef MIPS_HAS_MIPS64
+ /* MIPS64 opcodes */
+ case OPC_LWU:
+ case OPC_LDL ... OPC_LDR:
+ case OPC_SDL ... OPC_SDR:
+ case OPC_LLD:
+ case OPC_LD:
+ case OPC_SCD:
+ case OPC_SD:
+ gen_ldst(ctx, op, rt, rs, imm);
+ break;
+ case OPC_DADDI ... OPC_DADDIU:
+ gen_arith_imm(ctx, op, rt, rs, imm);
+ break;
#endif
-#if defined (MIPS_HAS_JALX)
- case 0x1D:
- /* JALX: not implemented */
+#ifdef MIPS_HAS_MIPS16
+ case OPC_JALX:
+ /* MIPS16: Not implemented. */
+#endif
+#ifdef MIPS_HAS_MDMX
+ case OPC_MDMX:
+ /* MDMX: Not implemented. */
#endif
- case 0x1E:
- /* ASE specific */
default: /* Invalid */
MIPS_INVAL("");
generate_exception(ctx, EXCP_RI);
@@ -2707,7 +3961,6 @@ int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
return gen_intermediate_code_internal(env, tb, 1);
}
-#ifdef MIPS_USES_FPU
void fpu_dump_state(CPUState *env, FILE *f,
int (*fpu_fprintf)(FILE *f, const char *fmt, ...),
int flags)
@@ -2721,19 +3974,19 @@ void fpu_dump_state(CPUState *env, FILE *f,
fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d\n",
env->fcr0, env->fcr31,
- (env->CP0_Status & (1<<CP0St_FR)) != 0);
+ (env->CP0_Status & (1 << CP0St_FR)) != 0);
fpu_fprintf(f, "FT0: "); printfpr(&env->ft0);
fpu_fprintf(f, "FT1: "); printfpr(&env->ft1);
fpu_fprintf(f, "FT2: "); printfpr(&env->ft2);
- for(i=0; i < 32; i+=2) {
- fpu_fprintf(f, "f%02d: ", i);
+ for(i = 0; i < 32; i += 2) {
+ fpu_fprintf(f, "%s: ", fregnames[i]);
printfpr(FPR(env, i));
}
#undef printfpr
}
-void dump_fpu(CPUState *env)
+void dump_fpu (CPUState *env)
{
if (loglevel) {
fprintf(logfile, "pc=0x%08x HI=0x%08x LO=0x%08x ds %04x %08x %d\n",
@@ -2741,7 +3994,6 @@ void dump_fpu(CPUState *env)
fpu_dump_state(env, logfile, fprintf, 0);
}
}
-#endif /* MIPS_USES_FPU */
void cpu_dump_state (CPUState *env, FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
@@ -2772,9 +4024,8 @@ void cpu_dump_state (CPUState *env, FILE *f,
c0_status, env->CP0_Cause, env->CP0_EPC);
cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x%08x\n",
env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr);
-#ifdef MIPS_USES_FPU
- fpu_dump_state(env, f, cpu_fprintf, flags);
-#endif
+ if (c0_status & (1 << CP0St_CU1))
+ fpu_dump_state(env, f, cpu_fprintf, flags);
}
CPUMIPSState *cpu_mips_init (void)
@@ -2802,16 +4053,12 @@ void cpu_reset (CPUMIPSState *env)
env->tlb_in_use = MIPS_TLB_NB;
#endif
env->CP0_Wired = 0;
+ /* SMP not implemented */
+ env->CP0_EBase = 0x80000000;
env->CP0_Config0 = MIPS_CONFIG0;
-#if defined (MIPS_CONFIG1)
- env->CP0_Config1 = MIPS_CONFIG1;
-#endif
-#if defined (MIPS_CONFIG2)
- env->CP0_Config2 = MIPS_CONFIG2;
-#endif
-#if defined (MIPS_CONFIG3)
- env->CP0_Config3 = MIPS_CONFIG3;
-#endif
+ env->CP0_Config1 = MIPS_CONFIG1;
+ env->CP0_Config2 = MIPS_CONFIG2;
+ env->CP0_Config3 = MIPS_CONFIG3;
env->CP0_Status = (1 << CP0St_CU0) | (1 << CP0St_BEV);
env->CP0_WatchLo = 0;
env->hflags = MIPS_HFLAG_ERL;
@@ -2825,4 +4072,7 @@ void cpu_reset (CPUMIPSState *env)
#ifdef MIPS_USES_FPU
env->fcr0 = MIPS_FCR0;
#endif
+ /* XXX some guesswork here, values are CPU specific */
+ env->SYNCI_Step = 16;
+ env->CCRes = 2;
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-16 13:53:15 +0000