rockbox/firmware/test/i2c/crt0.S
Linus Nielsen Feltzing 257d17da6d First version
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@158 a1c6a512-1295-4272-9138-f99709370657
2002-04-20 23:18:14 +00:00

49 lines
937 B
ArmAsm

.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
nop
#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
nop
.hoo:
bra .hoo
.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
#ifdef __ELF__
.section .stack,"aw"
#else
.section .stack
#endif