IDT R3000 Register Structure. More...

Macros
#define	r0 $0

#define	r1 $1

#define	r2 $2

#define	r3 $3

#define	r4 $4

#define	r5 $5

#define	r6 $6

#define	r7 $7

#define	r8 $8

#define	r9 $9

#define	r10 $10

#define	r11 $11

#define	r12 $12

#define	r13 $13

#define	r14 $14

#define	r15 $15

#define	r16 $16

#define	r17 $17

#define	r18 $18

#define	r19 $19

#define	r20 $20

#define	r21 $21

#define	r22 $22

#define	r23 $23

#define	r24 $24

#define	r25 $25

#define	r26 $26

#define	r27 $27

#define	r28 $28

#define	r29 $29

#define	r30 $30

#define	r31 $31

#define	fp0 $f0

#define	fp1 $f1

#define	fp2 $f2

#define	fp3 $f3

#define	fp4 $f4

#define	fp5 $f5

#define	fp6 $f6

#define	fp7 $f7

#define	fp8 $f8

#define	fp9 $f9

#define	fp10 $f10

#define	fp11 $f11

#define	fp12 $f12

#define	fp13 $f13

#define	fp14 $f14

#define	fp15 $f15

#define	fp16 $f16

#define	fp17 $f17

#define	fp18 $f18

#define	fp19 $f19

#define	fp20 $f20

#define	fp21 $f21

#define	fp22 $f22

#define	fp23 $f23

#define	fp24 $f24

#define	fp25 $f25

#define	fp26 $f26

#define	fp27 $f27

#define	fp28 $f28

#define	fp29 $f29

#define	fp30 $f30

#define	fp31 $f31

#define	fcr0 $0

#define	fcr30 $30

#define	fcr31 $31

#define	zero $0 /* wired zero */

#define	AT $at /* assembler temp */

#define	v0 $2 /* return value */

#define	v1 $3

#define	a0 $4 /* argument registers a0-a3 */

#define	a1 $5

#define	a2 $6

#define	a3 $7

#define	t0 $8 /* caller saved t0-t9 */

#define	t1 $9

#define	t2 $10

#define	t3 $11

#define	t4 $12

#define	t5 $13

#define	t6 $14

#define	t7 $15

#define	s0 $16 /* callee saved s0-s8 */

#define	s1 $17

#define	s2 $18

#define	s3 $19

#define	s4 $20

#define	s5 $21

#define	s6 $22

#define	s7 $23

#define	t8 $24

#define	t9 $25

#define	k0 $26 /* kernel usage */

#define	k1 $27 /* kernel usage */

#define	gp $28 /* sdata pointer */

#define	sp $29 /* stack pointer */

#define	s8 $30 /* yet another saved reg for the callee */

#define	fp $30 /* frame pointer - this is being phased out by MIPS */

#define	ra $31 /* return address */

#define	R_R0 0

#define	R_R1 1

#define	R_R2 2

#define	R_R3 3

#define	R_R4 4

#define	R_R5 5

#define	R_R6 6

#define	R_R7 7

#define	R_R8 8

#define	R_R9 9

#define	R_R10 10

#define	R_R11 11

#define	R_R12 12

#define	R_R13 13

#define	R_R14 14

#define	R_R15 15

#define	R_R16 16

#define	R_R17 17

#define	R_R18 18

#define	R_R19 19

#define	R_R20 20

#define	R_R21 21

#define	R_R22 22

#define	R_R23 23

#define	R_R24 24

#define	R_R25 25

#define	R_R26 26

#define	R_R27 27

#define	R_R28 28

#define	R_R29 29

#define	R_R30 30

#define	R_R31 31

#define	R_SR 32

#define	R_MDLO 33

#define	R_MDHI 34

#define	R_BADVADDR 35

#define	R_CAUSE 36

#define	R_EPC 37

#define	R_F0 38

#define	R_F1 39

#define	R_F2 40

#define	R_F3 41

#define	R_F4 42

#define	R_F5 43

#define	R_F6 44

#define	R_F7 45

#define	R_F8 46

#define	R_F9 47

#define	R_F10 48

#define	R_F11 49

#define	R_F12 50

#define	R_F13 41

#define	R_F14 42

#define	R_F15 43

#define	R_F16 44

#define	R_F17 45

#define	R_F18 56

#define	R_F19 57

#define	R_F20 58

#define	R_F21 59

#define	R_F22 60

#define	R_F23 61

#define	R_F24 62

#define	R_F25 63

#define	R_F26 64

#define	R_F27 65

#define	R_F28 66

#define	R_F29 67

#define	R_F30 68

#define	R_F31 69

#define	R_FCSR 70

#define	R_FEIR 71

#define	R_TLBHI 72

#define	R_INX 74

#define	R_RAND 75

#define	R_CTXT 76

#define	R_EXCTYPE 77

#define	R_MODE 78

#define	R_PRID 79

#define	R_TAR 80

#define	R_ZERO R_R0

#define	R_AT R_R1

#define	R_V0 R_R2

#define	R_V1 R_R3

#define	R_A0 R_R4

#define	R_A1 R_R5

#define	R_A2 R_R6

#define	R_A3 R_R7

#define	R_T0 R_R8

#define	R_T1 R_R9

#define	R_T2 R_R10

#define	R_T3 R_R11

#define	R_T4 R_R12

#define	R_T5 R_R13

#define	R_T6 R_R14

#define	R_T7 R_R15

#define	R_S0 R_R16

#define	R_S1 R_R17

#define	R_S2 R_R18

#define	R_S3 R_R19

#define	R_S4 R_R20

#define	R_S5 R_R21

#define	R_S6 R_R22

#define	R_S7 R_R23

#define	R_T8 R_R24

#define	R_T9 R_R25

#define	R_K0 R_R26

#define	R_K1 R_R27

#define	R_GP R_R28

#define	R_SP R_R29

#define	R_FP R_R30

#define	R_RA R_R31

Detailed Description

IDT R3000 Register Structure.

950313: Ketan added sreg/lreg and R_SZ for 64-bit saves added Register definition for XContext reg. Look towards end of this file.

Macros

Detailed Description