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| author | Treeki <treeki@gmail.com> | 2011-03-12 23:17:12 +0100 |
|---|---|---|
| committer | Treeki <treeki@gmail.com> | 2011-03-12 23:17:12 +0100 |
| commit | 7d4e4c0b34a613dd3c0220475ae4e448197522c1 (patch) | |
| tree | 4f5cee367de3fdef4f9a7c84af59ffe76a2bb1c3 /src/heapbar.S | |
| download | kamek-7d4e4c0b34a613dd3c0220475ae4e448197522c1.tar.gz kamek-7d4e4c0b34a613dd3c0220475ae4e448197522c1.zip | |
initial commit. now I can start playing with stuff!
Diffstat (limited to 'src/heapbar.S')
| -rw-r--r-- | src/heapbar.S | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/heapbar.S b/src/heapbar.S new file mode 100644 index 0000000..35d45e5 --- /dev/null +++ b/src/heapbar.S @@ -0,0 +1,118 @@ +# memory debugger - fun!
+# GX stuff is implemented in C++, this just gets the lowlevel info
+
+#ifndef __MWERKS__
+.set r0,0; .set r1,1; .set r2,2; .set r3,3; .set r4,4
+.set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9
+.set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14
+.set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19
+.set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24
+.set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29
+.set r30,30; .set r31,31; .set f0,0; .set f2,2; .set f3,3
+#endif
+
+#define HEAP_EGGRootMEM1 1
+#define HEAP_EGGRootMEM2 2
+
+.extern cppGXStart
+.extern cppGXEnd
+.extern cppProcessHeap
+.extern MEMGetTotalFreeSizeForExpHeap
+.extern GameHeap1
+.extern GameHeap2
+
+.set sp,1
+.set rtoc,2
+.set this,31
+
+.text
+
+.align 4
+
+.global doHeapBar
+
+doHeapBar:
+ blr
+
+ stwu sp, -0x10(sp)
+ mflr r0
+ stw r0, 0x14(sp)
+
+ stw this, 0xC(sp)
+
+ #lis r3, EGGTSystem_Pointer@h
+ #ori r3, r3, EGGTSystem_Pointer@l
+ #lwz this, 0(r3)
+
+ bl cppGXStart
+
+ #lwz r3, 0x18(this)
+ #lis r3, dSys_c__RootHeapMEM1@h
+ #ori r3, r3, dSys_c__RootHeapMEM1@l
+ lis r3, GameHeap1@h
+ ori r3, r3, GameHeap1@l
+ lwz r3, 0(r3)
+ li r4, HEAP_EGGRootMEM1
+ bl asmProcessHeap
+
+ #lwz r3, 0x1C(this)
+ #lis r3, dSys_c__RootHeapMEM2@h
+ #ori r3, r3, dSys_c__RootHeapMEM2@l
+ lis r3, GameHeap2@h
+ ori r3, r3, GameHeap2@l
+ lwz r3, 0(r3)
+ li r4, HEAP_EGGRootMEM2
+ bl asmProcessHeap
+
+ bl cppGXEnd
+
+ lwz this, 0xC(sp)
+ lwz r0, 0x14(sp)
+ mtlr r0
+ addi sp, sp, 0x10
+ blr
+
+
+
+asmProcessHeap:
+
+ stwu sp, -0x10(sp)
+ mflr r0
+ stw r0, 0x14(sp)
+
+ stw r31, 0xC(sp)
+ stw r30, 0x8(sp)
+
+ mr r31, r3
+ mr r30, r4
+
+ # get all the required data from the heap
+ # cppProcessHeap(u32 freeSize, u32 heapSize, int heapID, char *name)
+
+ # get free size first so the function doesn't destroy our volatile regs
+ # because I'm too lazy to save them >.>
+ lwz r3, 0x10(r31)
+ bl MEMGetTotalFreeSizeForExpHeap
+
+ # get name
+ lwz r6, 0x34(r31)
+
+ # get heapID
+ mr r5, r30
+
+ # get heap size
+ # this was a fucking pain to figure out -_-
+ lwz r4, 0x10(r31) # get the MEMiHeapHead*
+ lwz r7, 0x18(r4) # get heapStart
+ lwz r8, 0x1C(r4) # get heapEnd
+ sub r4, r8, r7 # heapSize = heapEnd - heapStart probably
+
+ # now do it
+ bl cppProcessHeap
+
+ lwz r30, 0x8(sp)
+ lwz r31, 0xC(sp)
+ lwz r0, 0x14(sp)
+ mtlr r0
+ addi sp, sp, 0x10
+ blr
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