URL
https://opencores.org/ocsvn/or1k_old/or1k_old/trunk
Subversion Repositories or1k_old
[/] [or1k_old/] [trunk/] [newlib/] [newlib/] [libc/] [sys/] [sh/] [crt0.S] - Rev 39
Go to most recent revision | Compare with Previous | Blame | View Log
.section .text
.global start
start:
mov.l stack_k,r15
! zero out bss
mov.l edata_k,r0
mov.l end_k,r1
mov #0,r2
start_l:
mov.l r2,@r0
add #4,r0
cmp/ge r0,r1
bt start_l
#if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY)
mov.l set_fpscr_k, r1
jsr @r1
mov #0,r4
lds r3,fpscr
#endif /* defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) */
! call the mainline
mov.l main_k,r0
jsr @r0
or r0,r0
! call exit
mov r0,r4
mov.l exit_k,r0
jsr @r0
or r0,r0
.align 2
#if defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(__SH4_SINGLE_ONLY__)
set_fpscr_k:
.long ___set_fpscr
#endif /* defined (__SH3E__) || defined(__SH4_SINGLE__) || defined(__SH4__) || defined(SH4_SINGLE_ONLY) */
stack_k:
.long _stack
edata_k:
.long _edata
end_k:
.long _end
main_k:
.long _main
exit_k:
.long _exit
#ifdef __ELF__
.section .stack,"aw"
#else
.section .stack
#endif
_stack: .long 0xdeaddead
Go to most recent revision | Compare with Previous | Blame | View Log