42 lines
428 B
ArmAsm
42 lines
428 B
ArmAsm
#include <asm.h>
|
|
|
|
#
|
|
# r3 Channel
|
|
# r4 MemSize (can be zero ptr)
|
|
# r5 SecSize (can be zero ptr)
|
|
|
|
CARDProbeEX:
|
|
|
|
|
|
mflr %r0
|
|
cmpwi %r3, 0
|
|
beq CARDPresent
|
|
|
|
li %r3, -3
|
|
b end
|
|
|
|
CARDPresent:
|
|
|
|
cmpwi %r4, 0
|
|
beq ZeroMemPtr
|
|
|
|
li %r3, 8
|
|
stw %r3, 0(%r4)
|
|
|
|
ZeroMemPtr:
|
|
|
|
cmpwi %r5, 0
|
|
beq ZeroSecPtr
|
|
|
|
li %r3, 0x2000
|
|
stw %r3, 0(%r5)
|
|
|
|
ZeroSecPtr:
|
|
|
|
li %r3, 0
|
|
|
|
end:
|
|
|
|
mtlr %r0
|
|
blr
|