1*6f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 296433f6eSDavid Howells #ifndef __alpha_regdef_h__ 396433f6eSDavid Howells #define __alpha_regdef_h__ 496433f6eSDavid Howells 596433f6eSDavid Howells #define v0 $0 /* function return value */ 696433f6eSDavid Howells 796433f6eSDavid Howells #define t0 $1 /* temporary registers (caller-saved) */ 896433f6eSDavid Howells #define t1 $2 996433f6eSDavid Howells #define t2 $3 1096433f6eSDavid Howells #define t3 $4 1196433f6eSDavid Howells #define t4 $5 1296433f6eSDavid Howells #define t5 $6 1396433f6eSDavid Howells #define t6 $7 1496433f6eSDavid Howells #define t7 $8 1596433f6eSDavid Howells 1696433f6eSDavid Howells #define s0 $9 /* saved-registers (callee-saved registers) */ 1796433f6eSDavid Howells #define s1 $10 1896433f6eSDavid Howells #define s2 $11 1996433f6eSDavid Howells #define s3 $12 2096433f6eSDavid Howells #define s4 $13 2196433f6eSDavid Howells #define s5 $14 2296433f6eSDavid Howells #define s6 $15 2396433f6eSDavid Howells #define fp s6 /* frame-pointer (s6 in frame-less procedures) */ 2496433f6eSDavid Howells 2596433f6eSDavid Howells #define a0 $16 /* argument registers (caller-saved) */ 2696433f6eSDavid Howells #define a1 $17 2796433f6eSDavid Howells #define a2 $18 2896433f6eSDavid Howells #define a3 $19 2996433f6eSDavid Howells #define a4 $20 3096433f6eSDavid Howells #define a5 $21 3196433f6eSDavid Howells 3296433f6eSDavid Howells #define t8 $22 /* more temps (caller-saved) */ 3396433f6eSDavid Howells #define t9 $23 3496433f6eSDavid Howells #define t10 $24 3596433f6eSDavid Howells #define t11 $25 3696433f6eSDavid Howells #define ra $26 /* return address register */ 3796433f6eSDavid Howells #define t12 $27 3896433f6eSDavid Howells 3996433f6eSDavid Howells #define pv t12 /* procedure-variable register */ 4096433f6eSDavid Howells #define AT $at /* assembler temporary */ 4196433f6eSDavid Howells #define gp $29 /* global pointer */ 4296433f6eSDavid Howells #define sp $30 /* stack pointer */ 4396433f6eSDavid Howells #define zero $31 /* reads as zero, writes are noops */ 4496433f6eSDavid Howells 4596433f6eSDavid Howells #endif /* __alpha_regdef_h__ */ 46