diff options
Diffstat (limited to 'usr/include/arch/mips/machine/asm.h')
| -rw-r--r-- | usr/include/arch/mips/machine/asm.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/usr/include/arch/mips/machine/asm.h b/usr/include/arch/mips/machine/asm.h new file mode 100644 index 0000000..0b8cece --- /dev/null +++ b/usr/include/arch/mips/machine/asm.h @@ -0,0 +1,76 @@ +/* + * arch/mips/include/machine/asm.h + */ + +#ifndef _MACHINE_ASM_H +#define _MACHINE_ASM_H + +/* + * Symbolic register names for 32 bit ABI + */ + +#define zero $0 /* wired zero */ +#define AT $1 /* assembler temp - uppercase because of ".set at" */ +#define v0 $2 /* return value */ +#define v1 $3 +#define a0 $4 /* argument registers */ +#define a1 $5 +#define a2 $6 +#define a3 $7 +#define t0 $8 /* caller saved */ +#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 */ +#define s1 $17 +#define s2 $18 +#define s3 $19 +#define s4 $20 +#define s5 $21 +#define s6 $22 +#define s7 $23 +#define t8 $24 /* caller saved */ +#define t9 $25 +#define jp $25 /* PIC jump register */ +#define k0 $26 /* kernel scratch */ +#define k1 $27 +#define gp $28 /* global pointer */ +#define sp $29 /* stack pointer */ +#define fp $30 /* frame pointer */ +#define s8 $30 /* same like fp! */ +#define ra $31 /* return address */ + +/* + * LEAF - declare leaf routine + */ +#define LEAF(symbol) \ + .globl symbol; \ + .align 2; \ + .type symbol,@function; \ + .ent symbol,0; \ +symbol: .frame sp,0,ra + + +/* + * NESTED - declare nested routine entry point + */ +#define NESTED(symbol, framesize, rpc) \ + .globl symbol; \ + .align 2; \ + .type symbol,@function; \ + .ent symbol,0; \ +symbol: .frame sp, framesize, rpc + +/* + * END - mark end of function + */ +#define END(function) \ + .end function; \ + .size function,.-function + + +#endif /* _MACHINE_ASM_H */ |