diff options
Diffstat (limited to 'arch/mips/include/uapi/asm/inst.h')
| -rw-r--r-- | arch/mips/include/uapi/asm/inst.h | 226 |
1 files changed, 86 insertions, 140 deletions
diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h index 96c409e8b137..9d8651a13acc 100644 --- a/arch/mips/include/uapi/asm/inst.h +++ b/arch/mips/include/uapi/asm/inst.h @@ -196,154 +196,100 @@ enum lx_func { * Damn ... bitfields depend from byteorder :-( */ #ifdef __MIPSEB__ -struct j_format { /* Jump format */ - unsigned int opcode : 6; - unsigned int target : 26; -}; - -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; -}; +#define BITFIELD_FIELD(field, more) \ + field; \ + more #elif defined(__MIPSEL__) -struct j_format { /* Jump format */ - unsigned int target : 26; - unsigned int opcode : 6; -}; - -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; -}; +#define BITFIELD_FIELD(field, more) \ + more \ + field; #else /* !defined (__MIPSEB__) && !defined (__MIPSEL__) */ #error "MIPS but neither __MIPSEL__ nor __MIPSEB__?" #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 { unsigned int word; unsigned short halfword[2]; |
