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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-07-04 22:17:33 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2005-07-04 22:17:33 +0000
commite37e863f5e492cf60db21233f4008aafd6c5f610 (patch)
treedd659f2aa59c6bf3894aaef4307c8ce00dc497ca /target-mips/translate.c
parentfdabc366bd922d3029b42864ecf268103d8ca8e6 (diff)
downloadqemu-e37e863f5e492cf60db21233f4008aafd6c5f610.tar.gz
correct split between helper.c and op_helper.c - cosmetics
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1505 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips/translate.c')
-rw-r--r--target-mips/translate.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
index f5529c1b31..7055775471 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -43,6 +43,174 @@ 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
+
+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,
+ /* 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,
+ /* 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 */
+ /* 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_SB = 0x28,
+ OPC_SH = 0x29,
+ OPC_SWL = 0x2A,
+ OPC_SW = 0x2B,
+ OPC_SWR = 0x2E,
+ OPC_LL = 0x30,
+ OPC_SC = 0x38,
+ /* 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,
+ /* Cache and prefetch */
+ OPC_CACHE = 0x2F,
+ OPC_PREF = 0x33,
+};
+
+/* MIPS special opcodes */
+enum {
+ /* Shifts */
+ OPC_SLL = 0x00 | EXT_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,
+ /* Multiplication / division */
+ OPC_MULT = 0x18 | EXT_SPECIAL,
+ OPC_MULTU = 0x19 | EXT_SPECIAL,
+ OPC_DIV = 0x1A | EXT_SPECIAL,
+ OPC_DIVU = 0x1B | EXT_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,
+ /* Jumps */
+ OPC_JR = 0x08 | EXT_SPECIAL,
+ OPC_JALR = 0x09 | EXT_SPECIAL,
+ /* 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,
+ /* 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,
+ /* Conditional moves */
+ OPC_MOVZ = 0x0A | EXT_SPECIAL,
+ OPC_MOVN = 0x0B | EXT_SPECIAL,
+
+ OPC_MOVCI = 0x01 | EXT_SPECIAL,
+
+ /* Special */
+ OPC_PMON = 0x05 | EXT_SPECIAL,
+ OPC_SYSCALL = 0x0C | EXT_SPECIAL,
+ OPC_BREAK = 0x0D | EXT_SPECIAL,
+ OPC_SYNC = 0x0F | EXT_SPECIAL,
+};
+
+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,
+ /* Misc */
+ OPC_CLZ = 0x20 | EXT_SPECIAL2,
+ OPC_CLO = 0x21 | EXT_SPECIAL2,
+ /* Special */
+ OPC_SDBBP = 0x3F | EXT_SPECIAL2,
+};
+
+/* Branch REGIMM */
+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,
+};
+
+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,
+};
+
const unsigned char *regnames[] =
{ "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",