diff options
Diffstat (limited to 'arm9/asm/MI_dma.s')
| -rw-r--r-- | arm9/asm/MI_dma.s | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/arm9/asm/MI_dma.s b/arm9/asm/MI_dma.s new file mode 100644 index 00000000..3e36d921 --- /dev/null +++ b/arm9/asm/MI_dma.s @@ -0,0 +1,385 @@ + .include "asm/macros.inc" + .include "global.inc" + + .text + + arm_func_start MIi_CheckDma0SourceAddress +MIi_CheckDma0SourceAddress: + stmdb sp!, {lr} + sub sp, sp, #0x4 + cmp r0, #0x0 + addne sp, sp, #0x4 + ldmneia sp!, {lr} + bxne lr + cmp r3, #0x0 + and r0, r1, #0xff000000 + beq _020CD8A4 + cmp r3, #0x800000 + subeq r1, r1, r2 + b _020CD8A8 +_020CD8A4: + add r1, r1, r2 +_020CD8A8: + cmp r0, #0x4000000 + beq _020CD8D4 + cmp r0, #0x8000000 + bhs _020CD8D4 + and r0, r1, #0xff000000 + cmp r0, #0x4000000 + beq _020CD8D4 + cmp r0, #0x8000000 + addcc sp, sp, #0x4 + ldmccia sp!, {lr} + bxcc lr +_020CD8D4: + bl OS_Terminate + add sp, sp, #0x4 + ldmia sp!, {lr} + bx lr + + arm_func_start MIi_CheckAnotherAutoDMA +MIi_CheckAnotherAutoDMA: ; 0x020CD8E4 + stmdb sp!, {r4-r7,lr} + sub sp, sp, #0x4 + ldr r4, _020CD994 ; =0x040000B8 + mov r7, r0 + mov r6, r1 + mov r5, #0x0 +_020CD8FC: + cmp r5, r7 + beq _020CD978 + ldr r1, [r4, #0x0] + ands r0, r1, #0x80000000 + beq _020CD978 + and r0, r1, #0x38000000 + cmp r0, r6 + beq _020CD978 + cmp r0, #0x8000000 + bne _020CD92C + cmp r6, #0x10000000 + beq _020CD978 +_020CD92C: + cmp r0, #0x10000000 + bne _020CD93C + cmp r6, #0x8000000 + beq _020CD978 +_020CD93C: + cmp r0, #0x18000000 + beq _020CD974 + cmp r0, #0x20000000 + beq _020CD974 + cmp r0, #0x28000000 + beq _020CD974 + cmp r0, #0x30000000 + beq _020CD974 + cmp r0, #0x38000000 + beq _020CD974 + cmp r0, #0x8000000 + beq _020CD974 + cmp r0, #0x10000000 + bne _020CD978 +_020CD974: + bl OS_Terminate +_020CD978: + add r5, r5, #0x1 + cmp r5, #0x3 + add r4, r4, #0xc + blt _020CD8FC + add sp, sp, #0x4 + ldmia sp!, {r4-r7,lr} + bx lr + .balign 4 +_020CD994: .word 0x040000B8 + + arm_func_start MI_StopDma +MI_StopDma: ; 0x020CD998 + stmdb sp!, {r4,lr} + mov r4, r0 + bl OS_DisableInterrupts + mov r1, #0x6 + mul r1, r4, r1 + add r1, r1, #0x5 + mov r1, r1, lsl #0x1 + add r1, r1, #0x4000000 + ldrh r2, [r1, #0xb0] + cmp r4, #0x0 + bic r2, r2, #0x3a00 + strh r2, [r1, #0xb0] + ldrh r2, [r1, #0xb0] + bic r2, r2, #0x8000 + strh r2, [r1, #0xb0] + ldrh r2, [r1, #0xb0] + ldrh r1, [r1, #0xb0] + bne _020CDA08 + mov r1, #0xc + mul r12, r4, r1 + ldr r1, _020CDA14 ; =0x040000B0 + add r2, r12, #0x4000000 + mov r3, #0x0 + str r3, [r2, #0xb0] + add r2, r12, r1 + ldr r1, _020CDA18 ; =0x81400001 + str r3, [r2, #0x4] + str r1, [r2, #0x8] +_020CDA08: + bl OS_RestoreInterrupts + ldmia sp!, {r4,lr} + bx lr + .balign 4 +_020CDA14: .word 0x040000B0 +_020CDA18: .word 0x81400001 + + arm_func_start MI_WaitDma +MI_WaitDma: + stmdb sp!, {r4,lr} + mov r4, r0 + bl OS_DisableInterrupts + mov r1, #0x3 + mul r2, r4, r1 + ldr r1, _020CDA84 ; =0x040000B0 + add r2, r2, #0x2 + add r2, r1, r2, lsl #0x2 +_020CDA3C: + ldr r1, [r2, #0x0] + ands r1, r1, #0x80000000 + bne _020CDA3C + cmp r4, #0x0 + bne _020CDA78 + mov r1, #0xc + mul r12, r4, r1 + ldr r1, _020CDA84 ; =0x040000B0 + add r2, r12, #0x4000000 + mov r3, #0x0 + str r3, [r2, #0xb0] + add r2, r12, r1 + ldr r1, _020CDA88 ; =0x81400001 + str r3, [r2, #0x4] + str r1, [r2, #0x8] +_020CDA78: + bl OS_RestoreInterrupts + ldmia sp!, {r4,lr} + bx lr + .balign 4 +_020CDA84: .word 0x040000B0 +_020CDA88: .word 0x81400001 + + arm_func_start MI_DmaCopy32Async +MI_DmaCopy32Async: ; 0x020CDA8C + stmdb sp!, {r4-r8,lr} + mov r5, r3 + mov r6, r2 + mov r2, r5 + mov r3, #0x0 + mov r8, r0 + mov r7, r1 + ldr r4, [sp, #0x18] + bl MIi_CheckDma0SourceAddress +_020CDAB0: + cmp r5, #0x0 + bne _020CDAD4 + cmp r4, #0x0 + ldmeqia sp!, {r4-r8, lr} + bxeq lr + ldr r0, [sp, #0x1C] + blx r4 + ldmia sp!, {r4-r8, lr} + bx lr +_020CDAD4: + mov r0, r8 + bl MI_WaitDma + cmp r4, #0x0 + beq _020CDB14 + ldr r2, [sp, #0x1C] + mov r0, r8 + mov r1, r4 + bl OSi_EnterDmaCallback + mov r3, r5, lsr #0x2 + mov r0, r8 + mov r1, r7 + mov r2, r6 + orr r3, r3, #0xc4000000 + bl MIi_DmaSetParams + ldmia sp!, {r4-r8, lr} + bx lr +_020CDB14: + mov r3, r5, lsr #0x2 + mov r0, r8 + mov r1, r7 + mov r2, r6 + orr r3, r3, #0x84000000 + bl MIi_DmaSetParams + ldmia sp!, {r4-r8, lr} + bx lr + + arm_func_start MI_DmaFill32Async +MI_DmaFill32Async: ; 0x020CDB34 + stmdb sp!, {r4-r8,lr} + movs r4, r3 + mov r7, r0 + mov r6, r1 + mov r5, r2 + ldr r8, [sp, #0x18] + bne _020CDB6C + cmp r8, #0x0 + ldmeqia sp!, {r4-r8,lr} + bxeq lr + ldr r0, [sp, #0x1c] + blx r8 + ldmia sp!, {r4-r8,lr} + bx lr +_020CDB6C: + bl MI_WaitDma +_020CDB70: + cmp r8, #0x0 + beq _020CDBC8 + ldr r2, [sp, #0x1C] + mov r0, r7 + mov r1, r8 + bl OSi_EnterDmaCallback + bl OS_DisableInterrupts + mov r3, r4, lsr #2 + ldr r1, _20CDC08 + mov r2, r7, lsl #2 + add r2, r2, #0x4000000 + str r5, [r2, #0xE0] + mov r4, r0 + add r1, r1, r7, lsl #0x2 + mov r0, r7 + mov r2, r6 + orr r3, r3, #0xc5000000 + bl MIi_DmaSetParams_noInt + mov r0, r4 + bl OS_RestoreInterrupts + ldmia sp!, {r4-r8,lr} + bx lr +_020CDBC8: + bl OS_DisableInterrupts + ldr r1, _20CDC08 + mov r2, r7, lsl #0x2 + mov r3, r4, lsr #0x2 + mov r4, r0 + add ip, r2, #0x4000000 + mov r0, r7 + mov r2, r6 + add r1, r1, r7, lsl #0x2 + orr r3, r3, #0x85000000 + str r5, [ip, #0xE0] + bl MIi_DmaSetParams_noInt + mov r0, r4 + bl OS_RestoreInterrupts + ldmia sp!, {r4-r8,lr} + bx lr +_20CDC08: .word 0x040000E0 + + arm_func_start MI_DmaCopy16 +MI_DmaCopy16: ; 0x020CDC0C + stmdb sp!, {r4-r8,lr} + movs r5, r3 + mov r8, r0 + mov r7, r1 + mov r6, r2 + ldmeqia sp!, {r4-r8,lr} + bxeq lr + mov r2, r5 + mov r3, #0x0 + bl MIi_CheckDma0SourceAddress + mov r0, #0x3 + mul r1, r8, r0 + ldr r0, _020CDC80 ; =0x040000B0 + add r1, r1, #0x2 + add r4, r0, r1, lsl #0x2 +_020CDC48: + ldr r0, [r4, #0x0] + ands r0, r0, #0x80000000 + bne _020CDC48 + mov r3, r5, lsr #0x1 + mov r0, r8 + mov r1, r7 + mov r2, r6 + orr r3, r3, #0x80000000 + bl MIi_DmaSetParams_wait +_020CDC6C: + ldr r0, [r4] + ands r0, r0, #0x80000000 + bne _020CDC6C + ldmia sp!, {r4-r8,lr} + bx lr +_020CDC80: .word 0x040000B0 + + arm_func_start MI_DmaCopy32 +MI_DmaCopy32: ; 0x020CDC84 + stmdb sp!, {r4-r8,lr} + mov r5, r3 + mov r6, r2 + mov r2, r5 + mov r3, #0x0 + mov r8, r0 + mov r7, r1 + bl MIi_CheckDma0SourceAddress +_020CDCA4: + cmp r5, #0x0 + ldmeqia sp!, {r4-r8,lr} + bxeq lr + mov r0, #0x3 + mul r1, r8, r0 + ldr r0, _020CDCFC + add r1, r1, #0x2 + add r4, r0, r1, lsl #0x2 +_020CDCC4: + ldr r0, [r4] + ands r0, r0, #0x80000000 + bne _020CDCC4 + mov r3, r5, lsr #0x2 + mov r0, r8 + mov r1, r7 + mov r2, r6 + orr r3, r3, #0x84000000 + bl MIi_DmaSetParams_wait +_020CDCE8: + ldr r0, [r4] + ands r0, r0, #0x80000000 + bne _020CDCE8 + ldmia sp!, {r4-r8,lr} + bx lr +_020CDCFC: .word 0x040000B0 + + arm_func_start MI_DmaFill32 +MI_DmaFill32: ; 0x020CDD00 + stmdb sp!, {r4-r8,lr} + movs r4, r3 + mov r8, r0 + mov r7, r1 + mov r6, r2 + ldmeqia sp!, {r4-r8,lr} + bxeq lr + mov r0, #0x3 + mul r1, r8, r0 + ldr r0, _020CDD88 ; =0x040000B0 + add r1, r1, #0x2 + add r5, r0, r1, lsl #0x2 +_020CDD30: + ldr r0, [r5, #0x0] + ands r0, r0, #0x80000000 + bne _020CDD30 + bl OS_DisableInterrupts + ldr r1, _020CDD8C ; =0x040000E0 + mov r2, r8, lsl #0x2 + mov r3, r4, lsr #0x2 + mov r4, r0 + add r12, r2, #0x4000000 + mov r0, r8 + mov r2, r7 + add r1, r1, r8, lsl #0x2 + orr r3, r3, #0x85000000 + str r6, [r12, #0xe0] + bl MIi_DmaSetParams_wait_noInt + mov r0, r4 + bl OS_RestoreInterrupts +_020CDD74: + ldr r0, [r5] + ands r0, r0, #0x80000000 + bne _020CDD74 + ldmia sp!, {r4-r8,lr} + bx lr +_020CDD88: .word 0x040000B0 +_020CDD8C: .word 0x040000E0 |