mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-23 11:33:32 +00:00
8bde7f776c
- remove trailing white space, trailing empty lines, C++ comments, etc.
- split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
* Patches by Kenneth Johansson, 25 Jun 2003:
- major rework of command structure
(work done mostly by Michal Cendrowski and Joakim Kristiansen)
57 lines
1.2 KiB
ArmAsm
57 lines
1.2 KiB
ArmAsm
/**************************************
|
|
*
|
|
* copyright @ Motorola, 1999
|
|
*
|
|
*
|
|
* This file contains two commonly used
|
|
* lower level utility routines.
|
|
*
|
|
* The utility routines are also in other
|
|
* Kahlua device driver libraries. The
|
|
* need to be linked in only once.
|
|
**************************************/
|
|
|
|
#include <ppc_asm.tmpl>
|
|
#include <ppc_defs.h>
|
|
|
|
/**********************************************************
|
|
* function: load_runtime_reg
|
|
*
|
|
* input: r3 - value of eumbbar
|
|
* r4 - register offset in embedded utility space
|
|
*
|
|
* output: r3 - register content
|
|
**********************************************************/
|
|
.text
|
|
.align 2
|
|
.global load_runtime_reg
|
|
|
|
load_runtime_reg:
|
|
|
|
xor r5,r5,r5
|
|
or r5,r5,r3 /* save eumbbar */
|
|
|
|
lwbrx r3,r4,r5
|
|
sync
|
|
|
|
bclr 20, 0
|
|
|
|
/****************************************************************
|
|
* function: store_runtime_reg
|
|
*
|
|
* input: r3 - value of eumbbar
|
|
* r4 - register offset in embedded utility space
|
|
* r5 - new value to be stored
|
|
*
|
|
****************************************************************/
|
|
.text
|
|
.align 2
|
|
.global store_runtime_reg
|
|
store_runtime_reg:
|
|
|
|
xor r0,r0,r0
|
|
|
|
stwbrx r5, r4, r3
|
|
sync
|
|
|
|
bclr 20,0
|