#include # # r3 chan # r4 fileName # r5 size # r6 fileInfo # r7 cb CARDCreate: cmpwi %r3, 0 beq DoCode li %r3, -3 li %r4, -3 blr DoCode: mflr %r0 stw %r0, 4(%sp) stwu %sp, -0x10(%sp) #send cmd to DM mr %r12, %r7 li %r0, 0 lis %r7, 0xC000 addi %r7, %r7, 0x2F60 #IPC area dcbi %r0, %r7 addi %r7, %r7, 0x20 dcbi %r0, %r7 lis %r7, 0xC000 lis %r0, 0xC200 stw %r0, 0x2F60(%r7) stw %r4, 0x2F64(%r7) stw %r5, 0x2F68(%r7) stw %r6, 0x2F6C(%r7) #cache workaround for the filename li %r5, 8 mtctr %r5 lis %r5, 0xC000 invalidloop: lwz %r0, 0(%r4) stw %r0, 0x17E0(%r5) addi %r4, %r4, 4 addi %r5, %r5, 4 bdnz invalidloop li %r0, 3 stw %r0, 0x2F78(%r7) ready_loop: lwz %r0, 0x2F78(%r7) cmpwi %r0, 3 beq ready_loop wait_loop: lwz %r0, 0x2F9C(%r7) andi. %r0, %r0, 0x14 cmpwi %r0, 0 beq wait_loop lwz %r0, 0x2F90(%r7) stw %r0, 0x04(%r6) cmpwi %r12, 0 beq skip_cb mtlr %r12 li %r3, 0 li %r4, 0 blrl skip_cb: lis %r7, 0xC000 lwz %r3, 0x2F94(%r7) mr %r4, %r3 lwz %r0, 0x14(%sp) addi %sp, %sp, 0x10 mtlr %r0 blr