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MIPS: inst.h: Eleminate per endianess structure definitions.

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This makes space for further growth of the header without excessive bloat.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2013-01-17 15:28:31 +01:00
parent 90e8cacdbe
commit 85dfaf0831
1 changed files with 86 additions and 140 deletions
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226
arch/mips/include/uapi/asm/inst.h
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@ -196,154 +196,100 @@ enum lx_func {
* Damn ... bitfields depend from byteorder :-( * Damn ... bitfields depend from byteorder :-(
*/ */
#ifdef __MIPSEB__ #ifdef __MIPSEB__
struct j_format { /* Jump format */ #define BITFIELD_FIELD(field, more) \
unsigned int opcode : 6; field; \
unsigned int target : 26; more
};
struct i_format { /* Immediate format (addi, lw, ...) */
unsigned int opcode : 6;
unsigned int rs : 5;
unsigned int rt : 5;
signed int simmediate : 16;
};
struct u_format { /* Unsigned immediate format (ori, xori, ...) */
unsigned int opcode : 6;
unsigned int rs : 5;
unsigned int rt : 5;
unsigned int uimmediate : 16;
};
struct c_format { /* Cache (>= R6000) format */
unsigned int opcode : 6;
unsigned int rs : 5;
unsigned int c_op : 3;
unsigned int cache : 2;
unsigned int simmediate : 16;
};
struct r_format { /* Register format */
unsigned int opcode : 6;
unsigned int rs : 5;
unsigned int rt : 5;
unsigned int rd : 5;
unsigned int re : 5;
unsigned int func : 6;
};
struct p_format { /* Performance counter format (R10000) */
unsigned int opcode : 6;
unsigned int rs : 5;
unsigned int rt : 5;
unsigned int rd : 5;
unsigned int re : 5;
unsigned int func : 6;
};
struct f_format { /* FPU register format */
unsigned int opcode : 6;
unsigned int : 1;
unsigned int fmt : 4;
unsigned int rt : 5;
unsigned int rd : 5;
unsigned int re : 5;
unsigned int func : 6;
};
struct ma_format { /* FPU multiply and add format (MIPS IV) */
unsigned int opcode : 6;
unsigned int fr : 5;
unsigned int ft : 5;
unsigned int fs : 5;
unsigned int fd : 5;
unsigned int func : 4;
unsigned int fmt : 2;
};
struct b_format { /* BREAK and SYSCALL */
unsigned int opcode:6;
unsigned int code:20;
unsigned int func:6;
};
#elif defined(__MIPSEL__) #elif defined(__MIPSEL__)
struct j_format { /* Jump format */ #define BITFIELD_FIELD(field, more) \
unsigned int target : 26; more \
unsigned int opcode : 6; field;
};
struct i_format { /* Immediate format */
signed int simmediate : 16;
unsigned int rt : 5;
unsigned int rs : 5;
unsigned int opcode : 6;
};
struct u_format { /* Unsigned immediate format */
unsigned int uimmediate : 16;
unsigned int rt : 5;
unsigned int rs : 5;
unsigned int opcode : 6;
};
struct c_format { /* Cache (>= R6000) format */
unsigned int simmediate : 16;
unsigned int cache : 2;
unsigned int c_op : 3;
unsigned int rs : 5;
unsigned int opcode : 6;
};
struct r_format { /* Register format */
unsigned int func : 6;
unsigned int re : 5;
unsigned int rd : 5;
unsigned int rt : 5;
unsigned int rs : 5;
unsigned int opcode : 6;
};
struct p_format { /* Performance counter format (R10000) */
unsigned int func : 6;
unsigned int re : 5;
unsigned int rd : 5;
unsigned int rt : 5;
unsigned int rs : 5;
unsigned int opcode : 6;
};
struct f_format { /* FPU register format */
unsigned int func : 6;
unsigned int re : 5;
unsigned int rd : 5;
unsigned int rt : 5;
unsigned int fmt : 4;
unsigned int : 1;
unsigned int opcode : 6;
};
struct ma_format { /* FPU multiply and add format (MIPS IV) */
unsigned int fmt : 2;
unsigned int func : 4;
unsigned int fd : 5;
unsigned int fs : 5;
unsigned int ft : 5;
unsigned int fr : 5;
unsigned int opcode : 6;
};
struct b_format { /* BREAK and SYSCALL */
unsigned int func:6;
unsigned int code:20;
unsigned int opcode:6;
};
#else /* !defined (__MIPSEB__) && !defined (__MIPSEL__) */ #else /* !defined (__MIPSEB__) && !defined (__MIPSEL__) */
#error "MIPS but neither __MIPSEL__ nor __MIPSEB__?" #error "MIPS but neither __MIPSEL__ nor __MIPSEB__?"
#endif #endif
struct j_format {
BITFIELD_FIELD(unsigned int opcode : 6, /* Jump format */
BITFIELD_FIELD(unsigned int target : 26,
;))
};
struct i_format { /* signed immediate format */
BITFIELD_FIELD(unsigned int opcode : 6,
BITFIELD_FIELD(unsigned int rs : 5,
BITFIELD_FIELD(unsigned int rt : 5,
BITFIELD_FIELD(signed int simmediate : 16,
;))))
};
struct u_format { /* unsigned immediate format */
BITFIELD_FIELD(unsigned int opcode : 6,
BITFIELD_FIELD(unsigned int rs : 5,
BITFIELD_FIELD(unsigned int rt : 5,
BITFIELD_FIELD(unsigned int uimmediate : 16,
;))))
};
struct c_format { /* Cache (>= R6000) format */
BITFIELD_FIELD(unsigned int opcode : 6,
BITFIELD_FIELD(unsigned int rs : 5,
BITFIELD_FIELD(unsigned int c_op : 3,
BITFIELD_FIELD(unsigned int cache : 2,
BITFIELD_FIELD(unsigned int simmediate : 16,
;)))))
};
struct r_format { /* Register format */
BITFIELD_FIELD(unsigned int opcode : 6,
BITFIELD_FIELD(unsigned int rs : 5,
BITFIELD_FIELD(unsigned int rt : 5,
BITFIELD_FIELD(unsigned int rd : 5,
BITFIELD_FIELD(unsigned int re : 5,
BITFIELD_FIELD(unsigned int func : 6,
;))))))
};
struct p_format { /* Performance counter format (R10000) */
BITFIELD_FIELD(unsigned int opcode : 6,
BITFIELD_FIELD(unsigned int rs : 5,
BITFIELD_FIELD(unsigned int rt : 5,
BITFIELD_FIELD(unsigned int rd : 5,
BITFIELD_FIELD(unsigned int re : 5,
BITFIELD_FIELD(unsigned int func : 6,
;))))))
};
struct f_format { /* FPU register format */
BITFIELD_FIELD(unsigned int opcode : 6,
BITFIELD_FIELD(unsigned int : 1,
BITFIELD_FIELD(unsigned int fmt : 4,
BITFIELD_FIELD(unsigned int rt : 5,
BITFIELD_FIELD(unsigned int rd : 5,
BITFIELD_FIELD(unsigned int re : 5,
BITFIELD_FIELD(unsigned int func : 6,
;)))))))
};
struct ma_format { /* FPU multiply and add format (MIPS IV) */
BITFIELD_FIELD(unsigned int opcode : 6,
BITFIELD_FIELD(unsigned int fr : 5,
BITFIELD_FIELD(unsigned int ft : 5,
BITFIELD_FIELD(unsigned int fs : 5,
BITFIELD_FIELD(unsigned int fd : 5,
BITFIELD_FIELD(unsigned int func : 4,
BITFIELD_FIELD(unsigned int fmt : 2,
;)))))))
};
struct b_format { /* BREAK and SYSCALL */
BITFIELD_FIELD(unsigned int opcode : 6,
BITFIELD_FIELD(unsigned int code : 20,
BITFIELD_FIELD(unsigned int func : 6,
;)))
};
union mips_instruction { union mips_instruction {
unsigned int word; unsigned int word;
unsigned short halfword[2]; unsigned short halfword[2];