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[/] [or1k/] [trunk/] [newlib-1.10.0/] [newlib/] [libc/] [sys/] [sysmec/] [crt0.S] - Diff between revs 1010 and 1765

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Rev 1010 Rev 1765
#ifdef __mn10300__
#ifdef __mn10300__
        .section .text
        .section .text
        .global _start
        .global _start
_start:
_start:
        mov _stack-8,a0         # Load up the stack pointer
        mov _stack-8,a0         # Load up the stack pointer
        mov a0,sp
        mov a0,sp
        mov _edata,a0           # Get the start/end of bss
        mov _edata,a0           # Get the start/end of bss
        mov _end,a1
        mov _end,a1
        cmp a0,a1               # If no bss, then do nothing
        cmp a0,a1               # If no bss, then do nothing
        beq .L0
        beq .L0
        clr d0                  # clear d0
        clr d0                  # clear d0
.L1:
.L1:
        movbu d0,(a0)           # Clear a byte and bump pointer
        movbu d0,(a0)           # Clear a byte and bump pointer
        inc a0
        inc a0
        cmp a0,a1
        cmp a0,a1
        bne .L1
        bne .L1
.L0:
.L0:
        call ___main,[],0       # Call __main to run ctors/dtors
        call ___main,[],0       # Call __main to run ctors/dtors
        clr d0
        clr d0
        clr d1
        clr d1
        mov d0,(4,sp)
        mov d0,(4,sp)
        call _main,[],0         # Call main program
        call _main,[],0         # Call main program
        call _exit,[],0         # All done, no need to return or
        call _exit,[],0         # All done, no need to return or
                                # deallocate our stack.
                                # deallocate our stack.
        .section ._stack
        .section ._stack
_stack: .long   1
_stack: .long   1
#else
#else
        .section .text
        .section .text
        .global _start
        .global _start
_start:
_start:
        mov _stack-4,a3         # Load up the stack pointer and allocate
        mov _stack-4,a3         # Load up the stack pointer and allocate
                                # our current frame.
                                # our current frame.
        mov _edata,a0           # Get the start/end of bss
        mov _edata,a0           # Get the start/end of bss
        mov _end,a1
        mov _end,a1
        cmp a0,a1               # If no bss, then do nothing
        cmp a0,a1               # If no bss, then do nothing
        beqx .L0
        beqx .L0
        sub d0,d0               # clear d0
        sub d0,d0               # clear d0
.L1:
.L1:
        movb d0,(a0)            # Clear a byte and bump pointer
        movb d0,(a0)            # Clear a byte and bump pointer
        add 1,a0
        add 1,a0
        cmp a0,a1
        cmp a0,a1
        bnex .L1
        bnex .L1
.L0:
.L0:
        jsr ___main
        jsr ___main
        sub d0,d0
        sub d0,d0
        mov d0,d1
        mov d0,d1
        mov d0,(a3)
        mov d0,(a3)
        jsr _main               # Call main program
        jsr _main               # Call main program
        jmp _exit               # All done, no need to return or
        jmp _exit               # All done, no need to return or
                                # deallocate our stack.
                                # deallocate our stack.
        .section ._stack
        .section ._stack
_stack: .long   1
_stack: .long   1
#endif
#endif
 
 

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