openwrt/target/linux/brcm63xx/image/lzma-loader/src/cp0regdef.h
Jonas Gorski 701e2a38fe brcm63xx: add working lzma-loader and use it for initramfs
Add a working lzma loader and use it for generating initramfs kernels
to allow easily netbooting elf kernels on devices with a 4 MiB CFE
size limit.

Based on ar71xx's lzma-loader.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 41940
2014-08-01 21:56:31 +00:00

55 lines
1.2 KiB
C

/*
* Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
*
* Copyright (C) 2001, Monta Vista Software
* Author: jsun@mvista.com or jsun@junsun.net
*/
#ifndef _cp0regdef_h_
#define _cp0regdef_h_
#define CP0_INDEX $0
#define CP0_RANDOM $1
#define CP0_ENTRYLO0 $2
#define CP0_ENTRYLO1 $3
#define CP0_CONTEXT $4
#define CP0_PAGEMASK $5
#define CP0_WIRED $6
#define CP0_BADVADDR $8
#define CP0_COUNT $9
#define CP0_ENTRYHI $10
#define CP0_COMPARE $11
#define CP0_STATUS $12
#define CP0_CAUSE $13
#define CP0_EPC $14
#define CP0_PRID $15
#define CP0_CONFIG $16
#define CP0_LLADDR $17
#define CP0_WATCHLO $18
#define CP0_WATCHHI $19
#define CP0_XCONTEXT $20
#define CP0_FRAMEMASK $21
#define CP0_DIAGNOSTIC $22
#define CP0_PERFORMANCE $25
#define CP0_ECC $26
#define CP0_CACHEERR $27
#define CP0_TAGLO $28
#define CP0_TAGHI $29
#define CP0_ERROREPC $30
#define read_32bit_c0_register(reg,sel) \
({ int __res; \
if (sel == 0) \
__asm__ __volatile__( \
"mfc0\t%0, " #reg "\n\t" \
: "=r" (__res)); \
else \
__asm__ __volatile__( \
".set\tmips32\n\t" \
"mfc0\t%0, " #reg ", " #sel "\n\t" \
".set mips0\n\t" \
: "=r" (__res)); \
__res; \
})
#endif