Decompile memaDefragPass
This commit is contained in:
Ryan Dwyer
parent
9520240039
commit
ccd4bbbccc
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@ -4,7 +4,6 @@
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#include "data.h"
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#include "types.h"
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bool memaDefragPass(void *arg0);
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void func000127b8(void);
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u32 func00012800(void);
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u32 func00012914(void);
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@ -14,9 +14,7 @@ struct memaspace {
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struct memaheap {
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u32 unk000;
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u32 unk004;
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u32 unk008;
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struct memaspace spaces[126];
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struct memaspace spaces[127];
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};
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u32 var80099470;
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@ -40,64 +38,35 @@ void memaMerge(struct memaspace *a, struct memaspace *b)
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b->size = 0;
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}
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GLOBAL_ASM(
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glabel memaDefragPass
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/* 126f0: 27bdffd0 */ addiu $sp,$sp,-48
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/* 126f4: afb40028 */ sw $s4,0x28($sp)
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/* 126f8: afb00018 */ sw $s0,0x18($sp)
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/* 126fc: 2490000c */ addiu $s0,$a0,0xc
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/* 12700: 249403e4 */ addiu $s4,$a0,0x3e4
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/* 12704: afb30024 */ sw $s3,0x24($sp)
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/* 12708: afb20020 */ sw $s2,0x20($sp)
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/* 1270c: afb1001c */ sw $s1,0x1c($sp)
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/* 12710: 0290082b */ sltu $at,$s4,$s0
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/* 12714: afbf002c */ sw $ra,0x2c($sp)
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/* 12718: 00009825 */ or $s3,$zero,$zero
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/* 1271c: 24910004 */ addiu $s1,$a0,0x4
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/* 12720: 1420001c */ bnez $at,.L00012794
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/* 12724: 00009025 */ or $s2,$zero,$zero
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/* 12728: 8e0e0004 */ lw $t6,0x4($s0)
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.L0001272c:
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/* 1272c: 51c00016 */ beqzl $t6,.L00012788
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/* 12730: 26100008 */ addiu $s0,$s0,0x8
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/* 12734: 8e020000 */ lw $v0,0x0($s0)
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/* 12738: 02002025 */ or $a0,$s0,$zero
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/* 1273c: 0052082b */ sltu $at,$v0,$s2
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/* 12740: 50200005 */ beqzl $at,.L00012758
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/* 12744: 8e2f0004 */ lw $t7,0x4($s1)
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/* 12748: 0c0049ac */ jal memaSwap
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/* 1274c: 02202825 */ or $a1,$s1,$zero
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/* 12750: 8e020000 */ lw $v0,0x0($s0)
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/* 12754: 8e2f0004 */ lw $t7,0x4($s1)
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.L00012758:
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/* 12758: 02202025 */ or $a0,$s1,$zero
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/* 1275c: 02002825 */ or $a1,$s0,$zero
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/* 12760: 01f2c021 */ addu $t8,$t7,$s2
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/* 12764: 54580006 */ bnel $v0,$t8,.L00012780
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/* 12768: 02008825 */ or $s1,$s0,$zero
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/* 1276c: 0c0049b5 */ jal memaMerge
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/* 12770: 24130001 */ addiu $s3,$zero,0x1
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/* 12774: 02208025 */ or $s0,$s1,$zero
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/* 12778: 8e220000 */ lw $v0,0x0($s1)
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/* 1277c: 02008825 */ or $s1,$s0,$zero
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.L00012780:
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/* 12780: 00409025 */ or $s2,$v0,$zero
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/* 12784: 26100008 */ addiu $s0,$s0,0x8
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.L00012788:
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/* 12788: 0290082b */ sltu $at,$s4,$s0
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/* 1278c: 5020ffe7 */ beqzl $at,.L0001272c
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/* 12790: 8e0e0004 */ lw $t6,0x4($s0)
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.L00012794:
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/* 12794: 8fbf002c */ lw $ra,0x2c($sp)
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/* 12798: 02601025 */ or $v0,$s3,$zero
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/* 1279c: 8fb30024 */ lw $s3,0x24($sp)
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/* 127a0: 8fb00018 */ lw $s0,0x18($sp)
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/* 127a4: 8fb1001c */ lw $s1,0x1c($sp)
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/* 127a8: 8fb20020 */ lw $s2,0x20($sp)
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/* 127ac: 8fb40028 */ lw $s4,0x28($sp)
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/* 127b0: 03e00008 */ jr $ra
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/* 127b4: 27bd0030 */ addiu $sp,$sp,0x30
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);
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bool memaDefragPass(struct memaheap *heap)
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{
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bool merged = false;
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struct memaspace *prev = &heap->spaces[0];
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struct memaspace *curr = &heap->spaces[1];
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struct memaspace *last = &heap->spaces[124];
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u32 addr = 0;
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while (curr <= last) {
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if (curr->size != 0) {
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if (curr->addr < addr) {
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memaSwap(curr, prev);
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}
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if (prev->size + addr == curr->addr) {
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memaMerge(prev, curr);
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curr = prev;
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merged = true;
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}
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prev = curr;
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addr = curr->addr;
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}
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curr++;
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}
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return merged;
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}
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void func000127b8(void)
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{
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@ -274,21 +243,22 @@ void memaHeapInit(void *heapaddr, u32 heapsize)
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#endif
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g_MemaHeap.unk000 = 0;
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g_MemaHeap.unk004 = 0;
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g_MemaHeap.unk008 = 0;
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g_MemaHeap.spaces[124].addr = 0xffffffff;
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g_MemaHeap.spaces[124].size = 0;
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g_MemaHeap.spaces[0].addr = 0;
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g_MemaHeap.spaces[0].size = 0;
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g_MemaHeap.spaces[125].addr = 0xffffffff;
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g_MemaHeap.spaces[125].size = 0xffffffff;
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g_MemaHeap.spaces[125].size = 0;
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g_MemaHeap.spaces[126].addr = 0xffffffff;
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g_MemaHeap.spaces[126].size = 0xffffffff;
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for (space = &g_MemaHeap.spaces[0]; space <= &g_MemaHeap.spaces[123]; space++) {
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for (space = &g_MemaHeap.spaces[1]; space <= &g_MemaHeap.spaces[124]; space++) {
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space->addr = 0;
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space->size = 0;
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}
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g_MemaHeap.spaces[0].addr = var80099470 = (u32)heapaddr;
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g_MemaHeap.spaces[0].size = var80099474 = heapsize;
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g_MemaHeap.spaces[1].addr = var80099470 = (u32)heapaddr;
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g_MemaHeap.spaces[1].size = var80099474 = heapsize;
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}
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/**
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