Subversion Repositories openrisc

*

* Various sections directives

* .bss, .data, .sect, .text, .usect

* .align, .space, .bes

*

        ; default section (should be .text)

        .word   0x1234          ; this should be put in .text

        ; initialized data

        .data

        .global coeff

coeff   .word   011h,022h,033h

        ; uninitialized data

        .global B1, buffer

        .bss    buffer, 10

B1:     .usect  ".bss", 10      ; alocate 10 words      

        ; more initialized data in .data

        .global ptr

ptr     .word   0123h

        ; .text section

        .text

        .global add, aloop

add:    ld      0fh,a

aloop:  sub     #1,a

        bc      aloop,ageq

        ; more initialized data into .data

        .data

        .global ivals

ivals   .word   0aah, 0bbh, 0cch

        ; define another section for more variables

        .global var2, inbuf, align2

var2    .usect  "newvars", 1    ; with quotes

inbuf   .usect  newvars, 7, 1   ; w/o quotes, block 7 words

align2  .usect  newvars, 15, ,1 ; 15 words aligned

        ; more code

        .text

        .global mpy, mloop

mpy:    ld      0ah,b

mloop:  mpy     #0ah,b

        bc      mloop,bnov

        .global space, bes, spacep, besp

space:  .space  64                      ; points to first word of block

bes:    .bes    64                      ; points to last word of block

spacep: .word   space

besp:   .word   bes

        .global pk1, pk2, pk3, endpk1, endpk2, endpk3

pk1:    .space  20

endpk1: .space  12

pk2:    .bes    20

endpk2  .bes    12

pk3:    .space  20

endpk3: .bes    12

        ; named initialized section (CODE)

        .sect   "vectors"

        nop

        nop

        ; named, initialized section, no quotes  (DATA)

        .sect clink

        .clink                  ; mark section clink as STYP_CLINK

        .word   022h, 044h

        .sect   "blksect"  ; (DATA)

        .word   0x1234,0x4321

        .sblock "blksect", vectors ; set block flag on blksect and vectors

        .end