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uboot-1.1.4-kirkwood/cpu/mpc824x/drivers/dma/dma2.S
2024-01-07 23:57:24 +01:00

43 lines
899 B
ArmAsm

/**************************************
*
* copyright @ Motorola, 1999
*
**************************************/
/**********************************************************
* 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:
lwbrx r3,r4,r3
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:
stwbrx r5, r4, r3
sync
bclr 20,0