diff options
Diffstat (limited to 'arm9/asm/FS_overlay.s')
| -rw-r--r-- | arm9/asm/FS_overlay.s | 546 |
1 files changed, 546 insertions, 0 deletions
diff --git a/arm9/asm/FS_overlay.s b/arm9/asm/FS_overlay.s new file mode 100644 index 00000000..78635558 --- /dev/null +++ b/arm9/asm/FS_overlay.s @@ -0,0 +1,546 @@ + .include "asm/macros.inc" + .include "global.inc" + .section .text + + arm_func_start FS_UnloadOverlay +FS_UnloadOverlay: ; 0x020D2040 + stmdb sp!, {lr} + sub sp, sp, #0x2c + mov r3, r0 + mov r2, r1 + add r0, sp, #0x0 + mov r1, r3 + bl FS_LoadOverlayInfo +_020D205C: + cmp r0, #0x0 + beq _020D2074 + add r0, sp, #0x0 + bl FS_UnloadOverlayImage + cmp r0, #0x0 + bne _020D2084 +_020D2074: + add sp, sp, #0x2c + mov r0, #0x0 + ldmfd sp!, {lr} + bx lr +_020D2084: + mov r0, #0x1 + add sp, sp, #0x2c + ldmfd sp!, {lr} + bx lr + + arm_func_start FS_LoadOverlay +FS_LoadOverlay: ; 0x020D2094 + stmdb sp!, {lr} + sub sp, sp, #0x2c + mov r3, r0 + mov r2, r1 + add r0, sp, #0x0 + mov r1, r3 + bl FS_LoadOverlayInfo +_020D20B0: + cmp r0, #0x0 + beq _020D20C8 + add r0, sp, #0x0 + bl FS_LoadOverlayImage + cmp r0, #0x0 + bne _020D20D8 +_020D20C8: + add sp, sp, #0x2c + mov r0, #0x0 + ldmfd sp!, {lr} + bx lr +_020D20D8: + add r0, sp, #0x0 + bl FS_StartOverlay + mov r0, #0x1 + add sp, sp, #0x2c + ldmfd sp!, {lr} + bx lr + + arm_func_start FS_UnloadOverlayImage +FS_UnloadOverlayImage: ; 0x020D20F0 + stmdb sp!, {lr} + sub sp, sp, #0x4 + bl FS_EndOverlay + mov r0, #0x1 + add sp, sp, #0x4 + ldmia sp!, {lr} + bx lr + + arm_func_start FS_EndOverlay +FS_EndOverlay: ; 0x020D210C + stmdb sp!, {r4-r11,lr} + sub sp, sp, #0x4 + ldr r8, _020D220C ; =0x021D74C8 + mov r11, r0 + mov r9, #0x0 +_020D2120: + ldr r1, [r11, #0x8] + ldr r0, [r11, #0xc] + ldr r5, [r11, #0x4] + add r0, r1, r0 + mov r7, r9 + mov r6, r9 + add r4, r5, r0 + bl OS_DisableInterrupts + ldr lr, [r8, #0x0] + mov r10, r9 + mov r12, lr + cmp lr, #0x0 + beq _020D21C4 +_020D2154: + ldr r2, [r12, #0x8] + ldr r3, [r12, #0x0] + cmp r2, #0x0 + ldr r1, [r12, #0x4] + bne _020D2178 + cmp r1, r5 + blo _020D2178 + cmp r1, r4 + blo _020D2188 +_020D2178: + cmp r2, r5 + blo _020D21B4 + cmp r2, r4 + bhs _020D21B4 +_020D2188: + cmp r6, #0x0 + strne r12, [r6, #0x0] + moveq r7, r12 + cmp lr, r12 + streq r3, [r8, #0x0] + moveq lr, r3 + str r9, [r12, #0x0] + cmp r10, #0x0 + mov r6, r12 + strne r3, [r10, #0x0] + b _020D21B8 +_020D21B4: + mov r10, r12 +_020D21B8: + mov r12, r3 + cmp r3, #0x0 + bne _020D2154 +_020D21C4: + bl OS_RestoreInterrupts +_020D21C8: + cmp r7, #0x0 + addeq sp, sp, #0x4 + ldmeqia sp!, {r4-r11, lr} + bxeq lr +_020D21D8: + ldr r1, [r7, #0x4] + ldr r4, [r7] + cmp r1, #0x0 + beq _020D21F0 + ldr r0, [r7, #0x8] + blx r1 +_020D21F0: + mov r7, r4 + cmp r4, #0x0 + bne _020D21D8 + b _020D2120 + add sp, sp, #0x4 + ldmia sp!, {r4-r11, lr} + bx lr +_020D220C: .word 0x021D74C8 + + arm_func_start FS_StartOverlay +FS_StartOverlay: ; 0x020D2210 + stmdb sp!, {r4-r6,lr} + mov r5, r0 + bl FSi_GetOverlayBinarySize + ldr r1, _020D2300 ; =0x027FFC40 + mov r4, r0 + ldrh r0, [r1, #0x0] + cmp r0, #0x2 + bne _020D22A4 + ldrb r1, [r5, #0x1f] + mov r0, #0x0 + ands r1, r1, #0x2 + beq _020D2280 + ldr r1, _020D2304 ; =0x02106F84 + ldr r3, _020D2308 ; =0x02106F84 + ldr r2, _020D230C ; =0x66666667 + sub r12, r1, r3 + smull r1, lr, r2, r12 + mov lr, lr, asr #0x3 + mov r1, r12, lsr #0x1f + ldr r2, [r5, #0x0] + add lr, r1, lr + cmp r2, lr + bhs _020D2280 + mov r0, #0x14 + mla r0, r2, r0, r3 + ldr r1, [r5, #0x4] + mov r2, r4 + bl FSi_CompareDigest +_020D2280: + cmp r0, #0x0 + bne _020D22A4 + ldr r0, [r5, #0x4] + mov r2, r4 + mov r1, #0x0 + bl MI_CpuFill8 + bl OS_Terminate + ldmia sp!, {r4-r6,lr} + bx lr +_020D22A4: + ldrb r0, [r5, #0x1f] + ands r0, r0, #0x1 + beq _020D22BC + ldr r0, [r5, #0x4] + add r0, r0, r4 + bl MIi_UncompressBackward +_020D22BC: + ldr r0, [r5, #0x4] + ldr r1, [r5, #0x8] + bl DC_FlushRange + ldr r6, [r5, #0x10] + ldr r4, [r5, #0x14] + cmp r6, r4 + ldmcsia sp!, {r4-r6,lr} + bxcs lr +_020D22DC: + ldr r0, [r6, #0x0] + cmp r0, #0x0 + beq _020D22EC + blx r0 +_020D22EC: + add r6, r6, #0x4 + cmp r6, r4 + blo _020D22DC + ldmia sp!, {r4-r6,lr} + bx lr + .balign 4 +_020D2300: .word 0x027FFC40 +_020D2304: .word 0x02106F84 +_020D2308: .word 0x02106F84 +_020D230C: .word 0x66666667 + + arm_func_start FSi_CompareDigest +FSi_CompareDigest: + stmdb sp!, {r4-r6,lr} + sub sp, sp, #0x58 + mov r4, r0 + mov r6, r1 + mov r5, r2 + add r0, sp, #0x4 + mov r1, #0x0 + mov r2, #0x14 + bl MI_CpuFill8 + ldr r0, _020D23AC ; =0x02106834 + ldr r1, _020D23B0 ; =0x02106838 + ldr r0, [r0, #0x0] + ldr r2, [r1, #0x0] + add r1, sp, #0x18 + bl MI_CpuCopy8 + ldr r3, _020D23B0 ; =0x02106838 + mov r1, r6 + ldr r12, [r3, #0x0] + mov r2, r5 + add r0, sp, #0x4 + add r3, sp, #0x18 + str r12, [sp, #0x0] + bl MATH_CalcHMACSHA1 + add r2, sp, #0x4 + mov r3, #0x0 +_020D2374: + ldr r1, [r2, #0x0] + ldr r0, [r4, r3] + cmp r1, r0 + bne _020D2394 + add r3, r3, #0x4 + cmp r3, #0x14 + add r2, r2, #0x4 + blo _020D2374 +_020D2394: + cmp r3, #0x14 + moveq r0, #0x1 + movne r0, #0x0 + add sp, sp, #0x58 + ldmia sp!, {r4-r6,lr} + bx lr + .balign 4 +_020D23AC: .word 0x02106834 +_020D23B0: .word 0x02106838 + + arm_func_start FS_LoadOverlayImage +FS_LoadOverlayImage: ; 0x020D23B4 + stmdb sp!, {r4-r5,lr} + sub sp, sp, #0x54 + mov r5, r0 + add r0, sp, #0x8 + bl FS_InitFile +_020D23C8: + add r0, sp, #0x0 + mov r1, r5 + bl FS_GetOverlayFileID + add r1, sp, #0x0 + add r0, sp, #0x8 + ldmia r1, {r1, r2} + bl FS_OpenFileFast + cmp r0, #0x0 + addeq sp, sp, #0x54 + moveq r0, #0x0 + ldmeqia sp!, {r4-r5, lr} + bxeq lr + mov r0, r5 + bl FSi_GetOverlayBinarySize + mov r4, r0 + mov r0, r5 + bl FS_ClearOverlayImage + ldr r1, [r5, #0x4] + add r0, sp, #0x8 + mov r2, r4 + bl FS_ReadFile + cmp r4, r0 + beq _020D243C + add r0, sp, #0x8 + bl FS_CloseFile + add sp, sp, #0x54 + mov r0, #0x0 + ldmia sp!, {r4-r5, lr} + bx lr +_020D243C: + add r0, sp, #0x8 + bl FS_CloseFile + mov r0, #0x1 + add sp, sp, #0x54 + ldmia sp!, {r4-r5, lr} + bx lr + + arm_func_start FS_LoadOverlayImageAsync +FS_LoadOverlayImageAsync: ; 0x020D2454 + stmdb sp!, {r4-r6,lr} + sub sp, sp, #0x8 + mov r5, r1 + mov r6, r0 + mov r0, r5 + bl FS_InitFile +_020D246C: + add r0, sp, #0x0 + mov r1, r6 + bl FS_GetOverlayFileID + add r1, sp, #0x0 + mov r0, r5 + ldmia r1, {r1, r2} + bl FS_OpenFileFast + cmp r0, #0x0 + addeq sp, sp, #0x8 + moveq r0, #0x0 + ldmeqia sp!, {r4-r6, lr} + bxeq lr + mov r0, r6 + bl FSi_GetOverlayBinarySize + mov r4, r0 + mov r0, r6 + bl FS_ClearOverlayImage + ldr r1, [r6, #0x4] + mov r0, r5 + mov r2, r4 + bl FS_ReadFileAsync + cmp r4, r0 + addeq sp, sp, #0x8 + moveq r0, #0x1 + ldmeqia sp!, {r4-r6, lr} + bxeq lr + mov r0, r5 + bl FS_CloseFile + mov r0, #0x0 + add sp, sp, #0x8 + ldmia sp!, {r4-r6, lr} + bx lr + + arm_func_start FS_LoadOverlayInfo +FS_LoadOverlayInfo: + stmdb sp!, {r4-r5,lr} + sub sp, sp, #0x64 + movs r4, r1 + mov r5, r0 + ldreq r0, _020D25EC ; =0x021D5404 + ldrne r0, _020D25F0 ; =0x021D540C + ldr r3, [r0, #0x0] + cmp r3, #0x0 + beq _020D25A8 + ldr r0, [r0, #0x4] + mov r2, r2, lsl #0x5 + cmp r2, r0 + addcs sp, sp, #0x64 + movcs r0, #0x0 + ldmcsia sp!, {r4-r5,lr} + bxcs lr + add r0, r3, r2 + mov r1, r5 + mov r2, #0x20 + bl MI_CpuCopy8 + add r0, sp, #0x18 + str r4, [r5, #0x20] + bl FS_InitFile + add r0, sp, #0x10 + mov r1, r5 + bl FS_GetOverlayFileID + add r1, sp, #0x10 + add r0, sp, #0x18 + ldmia r1, {r1-r2} + bl FS_OpenFileFast +_020D2564: + cmp r0, #0x0 + addeq sp, sp, #0x64 + moveq r0, #0x0 + ldmeqia sp!, {r4-r5,lr} + bxeq lr + ldr r1, [sp, #0x3c] + add r0, sp, #0x18 + str r1, [r5, #0x24] + ldr r2, [sp, #0x40] + ldr r1, [sp, #0x3c] + sub r1, r2, r1 + str r1, [r5, #0x28] + bl FS_CloseFile + add sp, sp, #0x64 + mov r0, #0x1 + ldmia sp!, {r4-r5,lr} + bx lr +_020D25A8: + ldr r1, _020D25F4 ; =0x027FFE50 + ldr ip, _020D25F8 ; =0x027FFE58 + ldr r0, [r1, #0x0] + ldr r3, _020D25FC ; =0x021D5414 + str r0, [sp, #0x0] + ldr r1, [r1, #0x4] + mov r0, r5 + str r1, [sp, #0x4] + ldr r5, [r12, #0x0] + mov r1, r4 + str r5, [sp, #0x8] + ldr r4, [r12, #0x4] + str r4, [sp, #0xc] + bl FSi_LoadOverlayInfoCore + add sp, sp, #0x64 + ldmia sp!, {r4-r5,lr} + bx lr + .balign 4 +_020D25EC: .word 0x021D5404 +_020D25F0: .word 0x021D540C +_020D25F4: .word 0x027FFE50 +_020D25F8: .word 0x027FFE58 +_020D25FC: .word 0x021D5414 + + arm_func_start FSi_LoadOverlayInfoCore +FSi_LoadOverlayInfoCore: ; 0x020D2600 + stmdb sp!, {r4-r9,lr} + sub sp, sp, #0x54 + movs r9, r1 + ldreq r5, [sp, #0x74] + ldreq r6, [sp, #0x70] + ldrne r5, [sp, #0x7c] + ldrne r6, [sp, #0x78] + mov r7, r2, lsl #0x5 + cmp r7, r5 + mov r4, r0 + mov r8, r3 + addcs sp, sp, #0x54 + movcs r0, #0x0 + ldmcsia sp!, {r4-r9,lr} + bxcs lr + add r0, sp, #0xc + bl FS_InitFile + mvn r12, #0x0 + add r0, sp, #0xc + mov r1, r8 + add r2, r6, r7 + add r3, r6, r5 + str r12, [sp, #0x0] + bl FS_OpenFileDirect +_020D2660: + cmp r0, #0 + addeq sp, sp, #0x54 + moveq r0, #0 + ldmeqia sp!, {r4-r9, lr} + bxeq lr + add r0, sp, #12 + mov r1, r4 + mov r2, #32 + bl FS_ReadFile + cmp r0, #32 + beq _020D26A4 + add r0, sp, #12 + bl FS_CloseFile + add sp, sp, #0x54 + mov r0, #0x0 + ldmia sp!, {r4-r9, lr} + bx lr +_020D26A4: + add r0, sp, #0xC + bl FS_CloseFile + add r0, sp, #0x4 + mov r1, r4 + str r9, [r4, #0x20] + bl FS_GetOverlayFileID + add r1, sp, #0x4 + add r0, sp, #0xC + ldmia r1, {r1, r2} + bl FS_OpenFileFast + cmp r0, #0x0 + addeq sp, sp, #0x54 + moveq r0, #0x0 + ldmeqia sp!, {r4-r9, lr} + bxeq lr + ldr r1, [sp, #0x30] + add r0, sp, #0xC + str r1, [r4, #0x24] + ldr r2, [sp, #0x34] + ldr r1, [sp, #0x30] + sub r1, r2, r1 + str r1, [r4, #0x28] + bl FS_CloseFile + mov r0, #0x1 + add sp, sp, #0x54 + ldmia sp!, {r4-r9, lr} + bx lr + + arm_func_start FS_GetOverlayFileID +FS_GetOverlayFileID: ; 0x020D2710 + sub sp, sp, #0x8 + ldr r2, _020D2734 ; =0x021D5414 + str r2, [sp, #0x0] + ldr r1, [r1, #0x18] + str r1, [sp, #0x4] + str r2, [r0, #0x0] + str r1, [r0, #0x4] + add sp, sp, #0x8 + bx lr + .balign 4 +_020D2734: .word 0x021D5414 + + arm_func_start FS_ClearOverlayImage +FS_ClearOverlayImage: ; 0x020D2738 + stmdb sp!, {r4-r6,lr} + ldr r5, [r0, #0x8] + ldr r1, [r0, #0xc] + ldr r6, [r0, #0x4] + add r4, r5, r1 + mov r0, r6 + mov r1, r4 + bl IC_InvalidateRange + mov r0, r6 + mov r1, r4 + bl DC_InvalidateRange + add r0, r6, r5 + sub r2, r4, r5 + mov r1, #0x0 + bl MI_CpuFill8 + ldmia sp!, {r4-r6,lr} + bx lr + + arm_func_start FSi_GetOverlayBinarySize +FSi_GetOverlayBinarySize: ; 0x020D277C + ldrb r1, [r0, #0x1f] + ands r1, r1, #0x1 + ldrne r0, [r0, #0x1c] + movne r0, r0, lsl #0x8 + movne r0, r0, lsr #0x8 + ldreq r0, [r0, #0x8] + bx lr |