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be4bb17dee
commit
90c0d29bf9
@ -24,6 +24,7 @@ f32 signF(f32 val);
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void* heap_malloc(s32 size);
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void* _heap_malloc(HeapNode* head, u32 size);
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u32 _heap_free(HeapNode* heapNodeList, void* addrToFree);
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void* _heap_realloc(HeapNode* heapNodeList, void* addr, u32 newSize);
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HeapNode* _heap_create(HeapNode* addr, u32 size);
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s32 dma_copy(Addr romStart, Addr romEnd, void* vramDest);
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void copy_matrix(Matrix4f src, Matrix4f dest);
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68
src/43F0.c
68
src/43F0.c
@ -278,7 +278,73 @@ u32 _heap_free(HeapNode* heapNodeList, void* addrToFree) {
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return FALSE;
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}
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INCLUDE_ASM(s32, "43F0", _heap_realloc);
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void* _heap_realloc(HeapNode* heapNodeList, void* addr, u32 newSize) {
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u32 newSizeAligned;
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HeapNode* nextNode;
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HeapNode* curHeapAlloc;
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HeapNode* newFreeBlock;
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u32 newNodeLength;
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HeapNode* nodeToUpdate;
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curHeapAlloc = (HeapNode*)((u8*)addr - sizeof(HeapNode));
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newSizeAligned = ALIGN16(newSize);
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// check if the realloc is on an allocated node otherwise fail
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if (!curHeapAlloc->allocated) {
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return NULL;
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}
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nextNode = curHeapAlloc->next;
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newNodeLength = curHeapAlloc->length;
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// if we have a node after us and it isn't allocated then
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// adjust the length and next node pointers to include the node after us
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nodeToUpdate = nextNode;
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if (nextNode && !nextNode->allocated) {
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nextNode = nextNode->next;
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newNodeLength += sizeof(HeapNode) + nodeToUpdate->length;
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}
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// check if the current block or current + next block (if free) are too small
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nodeToUpdate = curHeapAlloc;
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if (newNodeLength < newSizeAligned) {
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// too small, allocatr a new node, copy data to it then free the current one
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curHeapAlloc = _heap_malloc(heapNodeList, newSizeAligned);
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if (curHeapAlloc == NULL) {
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return NULL;
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}
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// minor interest note, copy the size of the newly allocated size
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// instead of just how much data used to be stored, this results in copying
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// excessive data
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memcpy(curHeapAlloc, addr, newSizeAligned);
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_heap_free(heapNodeList, addr);
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return curHeapAlloc;
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}
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// see if there is room to add a new free block after us
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if (newSizeAligned + sizeof(HeapNode) < newNodeLength) {
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// room for a free block, create it
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newFreeBlock = (HeapNode*)((u8*)addr + newSizeAligned);
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// update current node
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nodeToUpdate->next = newFreeBlock;
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nodeToUpdate->length = newSizeAligned;
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// create new node after the current one
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nodeToUpdate = newFreeBlock;
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nodeToUpdate->next = nextNode;
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nodeToUpdate->length = (newNodeLength - newSizeAligned) - sizeof(HeapNode);
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nodeToUpdate->allocated = FALSE;
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} else {
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// no room, update our next and length
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nodeToUpdate->next = nextNode;
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nodeToUpdate->length = newNodeLength;
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}
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// return the location we were at
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return addr;
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}
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f32 cosine(s16 arg0) {
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s16 temp360;
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@ -1,79 +0,0 @@
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.set noat # allow manual use of $at
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.set noreorder # don't insert nops after branches
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glabel _heap_realloc
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/* 46C4 800292C4 27BDFFD8 */ addiu $sp, $sp, -0x28
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/* 46C8 800292C8 AFB3001C */ sw $s3, 0x1c($sp)
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/* 46CC 800292CC 0080982D */ daddu $s3, $a0, $zero
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/* 46D0 800292D0 AFB20018 */ sw $s2, 0x18($sp)
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/* 46D4 800292D4 00A0902D */ daddu $s2, $a1, $zero
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/* 46D8 800292D8 AFB10014 */ sw $s1, 0x14($sp)
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/* 46DC 800292DC 2651FFF0 */ addiu $s1, $s2, -0x10
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/* 46E0 800292E0 24C6000F */ addiu $a2, $a2, 0xf
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/* 46E4 800292E4 2402FFF0 */ addiu $v0, $zero, -0x10
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/* 46E8 800292E8 AFBF0020 */ sw $ra, 0x20($sp)
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/* 46EC 800292EC AFB00010 */ sw $s0, 0x10($sp)
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/* 46F0 800292F0 9643FFF8 */ lhu $v1, -8($s2)
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/* 46F4 800292F4 10600016 */ beqz $v1, .L80029350
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/* 46F8 800292F8 00C28024 */ and $s0, $a2, $v0
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/* 46FC 800292FC 8E45FFF0 */ lw $a1, -0x10($s2)
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/* 4700 80029300 8E44FFF4 */ lw $a0, -0xc($s2)
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/* 4704 80029304 00A0182D */ daddu $v1, $a1, $zero
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/* 4708 80029308 10600009 */ beqz $v1, .L80029330
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/* 470C 8002930C 0090102B */ sltu $v0, $a0, $s0
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/* 4710 80029310 94620008 */ lhu $v0, 8($v1)
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/* 4714 80029314 14400006 */ bnez $v0, .L80029330
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/* 4718 80029318 0090102B */ sltu $v0, $a0, $s0
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/* 471C 8002931C 8C650000 */ lw $a1, ($v1)
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/* 4720 80029320 8C630004 */ lw $v1, 4($v1)
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/* 4724 80029324 24820010 */ addiu $v0, $a0, 0x10
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/* 4728 80029328 00432021 */ addu $a0, $v0, $v1
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/* 472C 8002932C 0090102B */ sltu $v0, $a0, $s0
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.L80029330:
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/* 4730 80029330 10400011 */ beqz $v0, .L80029378
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/* 4734 80029334 0220182D */ daddu $v1, $s1, $zero
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/* 4738 80029338 0260202D */ daddu $a0, $s3, $zero
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/* 473C 8002933C 0C00A41B */ jal _heap_malloc
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/* 4740 80029340 0200282D */ daddu $a1, $s0, $zero
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/* 4744 80029344 0040882D */ daddu $s1, $v0, $zero
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/* 4748 80029348 16200003 */ bnez $s1, .L80029358
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/* 474C 8002934C 0220202D */ daddu $a0, $s1, $zero
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.L80029350:
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/* 4750 80029350 0800A4EE */ j .L800293B8
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/* 4754 80029354 0000102D */ daddu $v0, $zero, $zero
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.L80029358:
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/* 4758 80029358 0240282D */ daddu $a1, $s2, $zero
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/* 475C 8002935C 0C01929D */ jal memcpy
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/* 4760 80029360 0200302D */ daddu $a2, $s0, $zero
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/* 4764 80029364 0260202D */ daddu $a0, $s3, $zero
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/* 4768 80029368 0C00A487 */ jal _heap_free
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/* 476C 8002936C 0240282D */ daddu $a1, $s2, $zero
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/* 4770 80029370 0800A4EE */ j .L800293B8
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/* 4774 80029374 0220102D */ daddu $v0, $s1, $zero
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.L80029378:
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/* 4778 80029378 26020010 */ addiu $v0, $s0, 0x10
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/* 477C 8002937C 0044102B */ sltu $v0, $v0, $a0
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/* 4780 80029380 1040000A */ beqz $v0, .L800293AC
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/* 4784 80029384 02501021 */ addu $v0, $s2, $s0
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/* 4788 80029388 AC620000 */ sw $v0, ($v1)
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/* 478C 8002938C AC700004 */ sw $s0, 4($v1)
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/* 4790 80029390 0040182D */ daddu $v1, $v0, $zero
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/* 4794 80029394 00901023 */ subu $v0, $a0, $s0
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/* 4798 80029398 2442FFF0 */ addiu $v0, $v0, -0x10
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/* 479C 8002939C AC650000 */ sw $a1, ($v1)
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/* 47A0 800293A0 AC620004 */ sw $v0, 4($v1)
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/* 47A4 800293A4 0800A4ED */ j .L800293B4
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/* 47A8 800293A8 A4600008 */ sh $zero, 8($v1)
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.L800293AC:
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/* 47AC 800293AC AC650000 */ sw $a1, ($v1)
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/* 47B0 800293B0 AC640004 */ sw $a0, 4($v1)
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.L800293B4:
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/* 47B4 800293B4 0240102D */ daddu $v0, $s2, $zero
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.L800293B8:
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/* 47B8 800293B8 8FBF0020 */ lw $ra, 0x20($sp)
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/* 47BC 800293BC 8FB3001C */ lw $s3, 0x1c($sp)
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/* 47C0 800293C0 8FB20018 */ lw $s2, 0x18($sp)
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/* 47C4 800293C4 8FB10014 */ lw $s1, 0x14($sp)
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/* 47C8 800293C8 8FB00010 */ lw $s0, 0x10($sp)
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/* 47CC 800293CC 03E00008 */ jr $ra
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/* 47D0 800293D0 27BD0028 */ addiu $sp, $sp, 0x28
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