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Diffstat (limited to 'firmware/decompressor/startup.S')
| -rw-r--r-- | firmware/decompressor/startup.S | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/firmware/decompressor/startup.S b/firmware/decompressor/startup.S deleted file mode 100644 index 1e5d6fa1ee..0000000000 --- a/firmware/decompressor/startup.S +++ /dev/null | |||
| @@ -1,59 +0,0 @@ | |||
| 1 | /*************************************************************************** | ||
| 2 | * __________ __ ___. | ||
| 3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
| 4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
| 5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
| 6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
| 7 | * \/ \/ \/ \/ \/ | ||
| 8 | * $Id$ | ||
| 9 | * | ||
| 10 | * Copyright (C) 2005 by Jens Arnold | ||
| 11 | * based on crt0.S by Linus Nielsen Feltzing | ||
| 12 | * | ||
| 13 | * This program is free software; you can redistribute it and/or | ||
| 14 | * modify it under the terms of the GNU General Public License | ||
| 15 | * as published by the Free Software Foundation; either version 2 | ||
| 16 | * of the License, or (at your option) any later version. | ||
| 17 | * | ||
| 18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
| 19 | * KIND, either express or implied. | ||
| 20 | * | ||
| 21 | ****************************************************************************/ | ||
| 22 | .section .start,"ax",@progbits | ||
| 23 | .global _start | ||
| 24 | _start: | ||
| 25 | /* copy the .iram section */ | ||
| 26 | mov.l .iramcopy_k,r0 | ||
| 27 | mov.l .iram_k,r1 | ||
| 28 | mov.l .iramend_k,r2 | ||
| 29 | /* Note: We cannot put a PC relative load into the delay slot of a 'bra' | ||
| 30 | instruction (the offset would be wrong), but there is nothing else to | ||
| 31 | do before the loop, so the delay slot would be 'nop'. The cmp / bf | ||
| 32 | sequence is the same length, but more efficient. */ | ||
| 33 | cmp/hi r1,r2 | ||
| 34 | bf .noiramcopy | ||
| 35 | .iramloop: | ||
| 36 | mov.l @r0+,r3 | ||
| 37 | mov.l r3,@r1 | ||
| 38 | add #4,r1 | ||
| 39 | cmp/hi r1,r2 | ||
| 40 | bt .iramloop | ||
| 41 | .noiramcopy: | ||
| 42 | |||
| 43 | /* call the mainline */ | ||
| 44 | mov.l .main_k,r0 | ||
| 45 | mov.l .stackend_k,r15 | ||
| 46 | jmp @r0 | ||
| 47 | nop | ||
| 48 | |||
| 49 | .align 2 | ||
| 50 | .iramcopy_k: | ||
| 51 | .long _iramcopy | ||
| 52 | .iram_k: | ||
| 53 | .long _iramstart | ||
| 54 | .iramend_k: | ||
| 55 | .long _iramend | ||
| 56 | .stackend_k: | ||
| 57 | .long _stackend | ||
| 58 | .main_k: | ||
| 59 | .long _main | ||