2852 lines
51 KiB
ArmAsm
2852 lines
51 KiB
ArmAsm
Local_Panic set *
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b panic
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; major_0x02964
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; Xrefs:
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; major_0x02ccc
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major_0x02964 ; OUTSIDE REFERER
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b AlternateMPCallReturnPath
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; major_0x02980
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; Xrefs:
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; major_0x02ccc
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; major_0x03548
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; IntDSIOtherOther
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; IntMachineCheckMemRetry
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; major_0x039dc
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; IntMachineCheck
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; MaskedInterruptTaken
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; major_0x03be0
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; major_0x04180
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; kcRunAlternateContext
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; major_0x046d0
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; IntExternalOrange
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; IntProgram
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; IntTrace
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; FDP_1214
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align 5
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major_0x02980 ; OUTSIDE REFERER
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mfsprg r1, 0
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mtsprg 3, r24
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lwz r9, -0x000c(r1)
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rlwinm r23, r17, 31, 27, 31
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rlwnm. r9, r9, r8, 0x00, 0x00
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bsol- cr3, major_0x02980_0x100
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lwz r6, -0x0014(r1)
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ori r7, r16, 0x10
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neg r23, r23
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mtcrf 0x3f, r7
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add r19, r19, r23
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rlwimi r7, r8, 24, 0, 7
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lwz r1, -0x0004(r1)
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slwi r8, r8, 2
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add r8, r8, r1
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lwz r9, 0x0dc0(r8)
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addi r9, r9, 0x01
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stw r9, 0x0dc0(r8)
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srwi r9, r7, 24
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mfsprg r1, 0
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lwz r8, 0x0000(r1)
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stw r8, 0x0104(r6)
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lwz r8, 0x001c(r1)
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stw r8, 0x013c(r6)
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lwz r8, 0x0020(r1)
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stw r8, 0x0144(r6)
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lwz r8, 0x0024(r1)
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stw r8, 0x014c(r6)
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lwz r8, 0x0028(r1)
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stw r8, 0x0154(r6)
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lwz r8, 0x002c(r1)
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stw r8, 0x015c(r6)
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lwz r8, 0x0030(r1)
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stw r8, 0x0164(r6)
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lwz r8, 0x0034(r1)
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stw r8, 0x016c(r6)
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cmpwi cr1, r9, 0x14
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blt- cr4, major_0x04a20_0x18
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bne- cr2, major_0x02ccc_0x310
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blt- major_0x02980_0xa8
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bne- cr1, major_0x02980_0x178
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b major_0x02ccc_0x310
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major_0x02980_0xa8
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mfsprg r1, 0
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stw r10, 0x0084(r6)
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stw r12, 0x008c(r6)
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stw r3, 0x0094(r6)
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stw r4, 0x009c(r6)
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lwz r8, -0x000c(r1)
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stw r7, 0x0040(r6)
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stw r8, 0x0044(r6)
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li r8, 0x00
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lwz r10, 0x004c(r6)
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stw r8, -0x000c(r1)
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lwz r1, -0x0004(r1)
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lwz r4, 0x0054(r6)
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lwz r3, 0x0654(r1)
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blt- cr2, major_0x02980_0xec
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lwz r3, 0x05b4(r1)
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rlwinm r11, r11, 0, 17, 15
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major_0x02980_0xec
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lwz r12, 0x0648(r1)
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bsol- cr6, major_0x02980_0x114
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rlwinm r7, r7, 0, 29, 16
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rlwimi r11, r7, 0, 20, 23
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b skeleton_key
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major_0x02980_0x100
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lwz r2, 0x0008(r1)
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lwz r3, 0x000c(r1)
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lwz r4, 0x0010(r1)
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lwz r5, 0x0014(r1)
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blr
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major_0x02980_0x114 ; OUTSIDE REFERER
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mfsprg r8, 0
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stw r17, 0x0064(r6)
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stw r20, 0x0068(r6)
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stw r21, 0x006c(r6)
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stw r19, 0x0074(r6)
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stw r18, 0x007c(r6)
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lmw r14, 0x0038(r8)
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blr
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major_0x02980_0x134 ; OUTSIDE REFERER
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mfsprg r1, 0
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mtcrf 0x3f, r7
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lwz r9, -0x000c(r1)
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lwz r1, -0x0004(r1)
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rlwnm. r9, r9, r8, 0x00, 0x00
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rlwimi r7, r8, 24, 0, 7
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slwi r8, r8, 2
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add r8, r8, r1
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lwz r9, 0x0dc0(r8)
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addi r9, r9, 0x01
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stw r9, 0x0dc0(r8)
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srwi r9, r7, 24
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blt- cr4, major_0x04a20_0x18
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bne- cr2, major_0x02ccc_0x2a4
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cmpwi cr1, r9, 0x0c
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blt+ major_0x02980_0xa8
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beq- cr1, major_0x02ccc_0x2a4
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major_0x02980_0x178 ; OUTSIDE REFERER
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lwz r1, -0x0004(r1)
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lwz r9, 0x0658(r1)
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addi r8, r1, 0x360
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mtsprg 3, r8
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bltl- cr2, major_0x02ccc_0x108
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major_0x02980_0x18c ; OUTSIDE REFERER
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mfsprg r1, 0
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lwz r8, -0x000c(r1)
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stw r7, 0x0000(r6)
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stw r8, 0x0004(r6)
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bns- cr6, major_0x02980_0x1b8
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stw r17, 0x0024(r6)
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stw r20, 0x0028(r6)
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stw r21, 0x002c(r6)
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stw r19, 0x0034(r6)
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stw r18, 0x003c(r6)
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lmw r14, 0x0038(r1)
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major_0x02980_0x1b8
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mfxer r8
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stw r13, 0x00dc(r6)
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stw r8, 0x00d4(r6)
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stw r12, 0x00ec(r6)
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mfctr r8
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stw r10, 0x00fc(r6)
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stw r8, 0x00f4(r6)
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ble- cr3, major_0x02980_0x1e8
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lwz r8, 0x00c4(r9)
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mfspr r12, mq
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mtspr mq, r8
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stw r12, 0x00c4(r6)
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major_0x02980_0x1e8
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lwz r8, 0x0004(r1)
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stw r8, 0x010c(r6)
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stw r2, 0x0114(r6)
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stw r3, 0x011c(r6)
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stw r4, 0x0124(r6)
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lwz r8, 0x0018(r1)
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stw r5, 0x012c(r6)
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stw r8, 0x0134(r6)
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stw r14, 0x0174(r6)
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stw r15, 0x017c(r6)
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stw r16, 0x0184(r6)
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stw r17, 0x018c(r6)
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stw r18, 0x0194(r6)
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stw r19, 0x019c(r6)
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stw r20, 0x01a4(r6)
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stw r21, 0x01ac(r6)
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stw r22, 0x01b4(r6)
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stw r23, 0x01bc(r6)
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stw r24, 0x01c4(r6)
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stw r25, 0x01cc(r6)
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stw r26, 0x01d4(r6)
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andi. r8, r11, 0x2000
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stw r27, 0x01dc(r6)
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stw r28, 0x01e4(r6)
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stw r29, 0x01ec(r6)
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stw r30, 0x01f4(r6)
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stw r31, 0x01fc(r6)
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bnel- major_0x03e18_0xb4
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bge- cr3, major_0x02980_0x260
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bl Save_v0_v31
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major_0x02980_0x260
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stw r11, 0x00a4(r6)
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lwz r8, 0x0000(r9)
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stw r9, -0x0014(r1)
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xoris r7, r7, 0x80
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rlwimi r11, r8, 0, 20, 23
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mr r6, r9
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rlwimi r7, r8, 0, 17, 31
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andi. r8, r11, 0x900
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lwz r8, 0x0004(r6)
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lwz r13, 0x00dc(r6)
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stw r8, -0x000c(r1)
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lwz r8, 0x00d4(r6)
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lwz r12, 0x00ec(r6)
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mtxer r8
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lwz r8, 0x00f4(r6)
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lwz r10, 0x00fc(r6)
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mtctr r8
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bnel- major_0x03e18_0x8
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lwarx r8, 0, r1
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sync
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stwcx. r8, 0, r1
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lwz r29, 0x00d8(r6)
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lwz r8, 0x010c(r6)
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cmpwi r29, 0x00
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stw r8, 0x0004(r1)
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lwz r28, 0x0210(r29)
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beq- major_0x02980_0x2d0
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mtspr vrsave, r28
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major_0x02980_0x2d0
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lwz r2, 0x0114(r6)
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lwz r3, 0x011c(r6)
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lwz r4, 0x0124(r6)
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lwz r8, 0x0134(r6)
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lwz r5, 0x012c(r6)
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stw r8, 0x0018(r1)
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lwz r14, 0x0174(r6)
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lwz r15, 0x017c(r6)
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lwz r16, 0x0184(r6)
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lwz r17, 0x018c(r6)
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lwz r18, 0x0194(r6)
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lwz r19, 0x019c(r6)
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lwz r20, 0x01a4(r6)
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lwz r21, 0x01ac(r6)
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lwz r22, 0x01b4(r6)
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lwz r23, 0x01bc(r6)
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lwz r24, 0x01c4(r6)
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lwz r25, 0x01cc(r6)
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lwz r26, 0x01d4(r6)
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lwz r27, 0x01dc(r6)
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lwz r28, 0x01e4(r6)
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lwz r29, 0x01ec(r6)
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lwz r30, 0x01f4(r6)
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lwz r31, 0x01fc(r6)
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; skeleton_key
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; Called when a Gary reset trap is called. When else?
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; Xrefs:
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; major_0x02980
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; IntDecrementer
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; IntISI
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; IntMachineCheck
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; major_0x03be0
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; IntPerfMonitor
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; IntThermalEvent
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; kcRunAlternateContext
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; kcResetSystem
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; IntProgram
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; IntExternalYellow
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; kcVMDispatch
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; major_0x09e28
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; major_0x0a600
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; kcRTASDispatch
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; kcCacheDispatch
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; CommonMPCallReturnPath
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; CommonPIHPath
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skeleton_key ; OUTSIDE REFERER
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andi. r8, r7, 0x30
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mfsprg r1, 0
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bnel- major_0x02ccc
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li r8, 0x00
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stw r7, -0x0010(r1)
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stw r8, -0x0114(r1)
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b major_0x142a8
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; major_0x02ccc
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; Xrefs:
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; major_0x02980
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; skeleton_key
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major_0x02ccc ; OUTSIDE REFERER
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mtcrf 0x3f, r7
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bns- cr6, major_0x02ccc_0x18
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rlwinm r7, r7, 0, 28, 26
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bso- cr7, major_0x02ccc_0x30
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rlwinm r7, r7, 0, 27, 25
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b major_0x02ccc_0x2c
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major_0x02ccc_0x18
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bne- cr6, major_0x02ccc_0x2c
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rlwinm r7, r7, 0, 27, 25
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stw r7, -0x0010(r1)
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li r8, 0x08
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b major_0x02980_0x134
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major_0x02ccc_0x2c
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blr
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major_0x02ccc_0x30
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rlwinm. r8, r7, 0, 8, 8
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beq- major_0x02ccc_0x108
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stw r7, -0x0010(r1)
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lwz r8, 0x0104(r6)
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stw r8, 0x0000(r1)
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stw r2, 0x0008(r1)
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stw r3, 0x000c(r1)
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stw r4, 0x0010(r1)
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stw r5, 0x0014(r1)
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lwz r8, 0x013c(r6)
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stw r8, 0x001c(r1)
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lwz r8, 0x0144(r6)
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stw r8, 0x0020(r1)
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lwz r8, 0x014c(r6)
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stw r8, 0x0024(r1)
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lwz r8, 0x0154(r6)
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stw r8, 0x0028(r1)
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lwz r8, 0x015c(r6)
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stw r8, 0x002c(r1)
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lwz r8, 0x0164(r6)
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stw r8, 0x0030(r1)
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lwz r8, 0x016c(r6)
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stw r8, 0x0034(r1)
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stmw r14, 0x0038(r1)
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lwz r8, -0x0004(r1)
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lwz r17, 0x0024(r9)
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lwz r20, 0x0028(r9)
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lwz r21, 0x002c(r9)
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lwz r19, 0x0034(r9)
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lwz r18, 0x003c(r9)
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rlwinm r16, r7, 0, 28, 26
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lwz r25, 0x0650(r8)
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rlwinm. r22, r17, 31, 27, 31
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add r19, r19, r22
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rlwimi r25, r17, 7, 25, 30
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lhz r26, 0x0d20(r25)
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rlwimi r25, r19, 1, 28, 30
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stw r16, -0x0010(r1)
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rlwimi r26, r26, 8, 8, 15 ; copy hi byte of entry to second byte of word
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rlwimi r25, r17, 4, 23, 27
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mtcrf 0x10, r26 ; so the second nybble of the entry is copied to cr3
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lha r22, 0x0c00(r25)
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addi r23, r8, 0x4e0
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add r22, r22, r25
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mfsprg r24, 3
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mtlr r22
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mtsprg 3, r23
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mfmsr r14
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ori r15, r14, 0x10
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mtmsr r15
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isync
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rlwimi r25, r26, 2, 22, 29 ; apparently the lower byte of the entry is an FDP (code?) offset, /4!
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bnelr-
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b FDP_011c
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major_0x02ccc_0x108 ; OUTSIDE REFERER
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bl Save_r14_r31 ; r8 := EWA
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lwz r31, EWA.PA_CurTask(r8)
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lwz r8, 0x00f4(r31)
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; r8 = id
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bl LookupID
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cmpwi r9, Queue.kIDClass
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mr r30, r8
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bnel- major_0x02ccc_0x20c
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lwz r28, 0x0028(r30)
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cmpwi r28, 0x00
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beql- major_0x02ccc_0x20c
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_Lock PSA.SchLock, scratch1=r8, scratch2=r9
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lwz r29, 0x0064(r31)
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ori r29, r29, 0x200
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ori r29, r29, 0x1000
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stw r29, 0x0064(r31)
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lwz r17, 0x0008(r28)
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stw r17, 0x0028(r30)
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lwz r17, 0x0000(r31)
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stw r17, 0x0010(r28)
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li r18, -0x7271
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stw r18, 0x0014(r28)
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stw r18, 0x00f8(r31)
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stw r10, 0x0018(r28)
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_log 'Blue task suspended. Notifying exception handler - srr1/0 '
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mr r8, r11
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bl Printw
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mr r8, r10
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bl Printw
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_log 'lr '
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mr r8, r12
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bl Printw
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_log '^n'
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mr r31, r30
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mr r8, r28
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bl major_0x0c8b4
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b major_0x142dc
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major_0x02ccc_0x20c
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mflr r16
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_log 'Blue task terminated - no exception handler registered - srr1/0 '
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mr r8, r11
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bl Printw
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mr r8, r10
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bl Printw
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_log 'lr '
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mr r8, r12
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bl Printw
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_log '^n'
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mtlr r16
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b Local_Panic
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major_0x02ccc_0x2a4 ; OUTSIDE REFERER
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bsol+ cr6, Local_Panic
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; r6 = ewa
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bl Save_r14_r31
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; r8 = sprg0 (not used by me)
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mr r30, r10
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lwz r29, 0x0018(r8)
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lwz r31, -0x0008(r8)
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stw r29, 0x0134(r6)
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stw r30, 0x0074(r6)
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stw r7, 0x0040(r6)
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lwz r1, -0x0004(r1)
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_Lock PSA.SchLock, scratch1=r28, scratch2=r29
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|
|
|
mr r8, r31
|
|
bl major_0x13e4c
|
|
lwz r16, 0x0064(r31)
|
|
srwi r8, r7, 24
|
|
rlwinm. r16, r16, 0, 9, 9
|
|
cmpwi cr1, r8, 0x0c
|
|
bne- major_0x02ccc_0x524
|
|
bne- cr1, major_0x02ccc_0x524
|
|
lwz r8, 0x00e0(r31)
|
|
addi r8, r8, 0x01
|
|
stw r8, 0x00e0(r31)
|
|
b major_0x02ccc_0x380
|
|
|
|
major_0x02ccc_0x310 ; OUTSIDE REFERER
|
|
bnsl+ cr6, Local_Panic
|
|
bl major_0x02980_0x114
|
|
stw r10, 0x0084(r6)
|
|
rlwinm r7, r7, 0, 28, 26
|
|
|
|
; r6 = ewa
|
|
bl Save_r14_r31
|
|
; r8 = sprg0 (not used by me)
|
|
|
|
lwz r30, 0x0074(r6)
|
|
lwz r29, 0x0018(r8)
|
|
lwz r31, -0x0008(r8)
|
|
stw r29, 0x0134(r6)
|
|
stw r7, 0x0040(r6)
|
|
lwz r1, -0x0004(r1)
|
|
|
|
_Lock PSA.SchLock, scratch1=r28, scratch2=r29
|
|
|
|
mr r8, r31
|
|
bl major_0x13e4c
|
|
lwz r16, 0x0064(r31)
|
|
srwi r8, r7, 24
|
|
rlwinm. r16, r16, 0, 9, 9
|
|
cmpwi cr1, r8, 0x14
|
|
bne- major_0x02ccc_0x524
|
|
bne- cr1, major_0x02ccc_0x524
|
|
lwz r8, 0x00e4(r31)
|
|
addi r8, r8, 0x01
|
|
stw r8, 0x00e4(r31)
|
|
|
|
major_0x02ccc_0x380
|
|
mfsprg r14, 0
|
|
rlwinm r7, r7, 0, 27, 25
|
|
rlwinm r7, r7, 0, 0, 30
|
|
lwz r29, -0x00e4(r14)
|
|
lis r17, 0x4152
|
|
ori r17, r17, 0x4541
|
|
lwz r16, 0x0004(r29)
|
|
cmplw r16, r17
|
|
bnel+ Local_Panic
|
|
lwz r17, 0x0034(r29)
|
|
addi r17, r17, 0x01
|
|
stw r17, 0x0034(r29)
|
|
lwz r8, 0x0018(r29)
|
|
|
|
; r8 = id
|
|
bl LookupID
|
|
; r8 = something not sure what
|
|
; r9 = 0:inval, 1:proc, 2:task, 3:timer, 4:q, 5:sema, 6:cr, 7:cpu, 8:addrspc, 9:evtg, 10:cohg, 11:area, 12:not, 13:log
|
|
|
|
lwz r16, 0x06b4(r1)
|
|
cmpwi r9, 0x0c
|
|
cmpwi cr1, r16, 0x00
|
|
mr r26, r8
|
|
bne- major_0x02ccc_0x430
|
|
beq- cr1, major_0x02ccc_0x3d4
|
|
beq- cr2, major_0x02ccc_0x430
|
|
|
|
major_0x02ccc_0x3d4
|
|
lwz r16, 0x0064(r31)
|
|
addi r17, r31, 0x08
|
|
addi r18, r31, 160
|
|
stw r18, 0x0000(r17)
|
|
stw r18, 0x0008(r17)
|
|
lwz r19, 0x000c(r18)
|
|
stw r19, 0x000c(r17)
|
|
stw r17, 0x0008(r19)
|
|
stw r17, 0x000c(r18)
|
|
li r17, 0x01
|
|
ori r16, r16, 0x2000
|
|
stw r17, 0x00b0(r31)
|
|
stw r16, 0x0064(r31)
|
|
rlwinm r30, r30, 0, 0, 19
|
|
lwz r27, 0x0000(r29)
|
|
lwz r28, 0x0000(r31)
|
|
stw r30, 0x0010(r26)
|
|
stw r27, 0x0014(r26)
|
|
stw r28, 0x0018(r26)
|
|
mr r30, r26
|
|
bl major_0x0db04
|
|
cmpwi r8, 0x00
|
|
beq+ major_0x02964
|
|
|
|
major_0x02ccc_0x430
|
|
mfcr r28
|
|
li r8, 0x1c
|
|
beq- cr2, major_0x02ccc_0x4a8
|
|
bl PoolAlloc_with_crset
|
|
mr. r26, r8
|
|
beq- major_0x02ccc_0x50c
|
|
addi r17, r31, 0x08
|
|
addi r18, r31, 160
|
|
stw r18, 0x0000(r17)
|
|
stw r18, 0x0008(r17)
|
|
lwz r19, 0x000c(r18)
|
|
stw r19, 0x000c(r17)
|
|
stw r17, 0x0008(r19)
|
|
stw r17, 0x000c(r18)
|
|
li r17, 0x01
|
|
stw r17, 0x00b0(r31)
|
|
lwz r27, 0x0000(r29)
|
|
lis r8, 0x6e6f
|
|
ori r8, r8, 0x7465
|
|
lwz r29, 0x00a0(r31)
|
|
stw r27, 0x0010(r26)
|
|
stw r29, 0x0014(r26)
|
|
stw r8, 0x0004(r26)
|
|
stw r30, 0x0018(r26)
|
|
mr r8, r26
|
|
addi r31, r1, -0xa24
|
|
bl major_0x0c8b4
|
|
lwz r8, -0x0410(r1)
|
|
bl major_0x0dce8
|
|
b AlternateMPCallReturnPath
|
|
|
|
major_0x02ccc_0x4a8
|
|
mr r8, r31
|
|
bl TaskReadyAsPrev
|
|
sync
|
|
lwz r31, PSA.SchLock + Lock.Count(r1)
|
|
cmpwi cr1, r31, 0x00
|
|
li r31, 0x00
|
|
bne+ cr1, major_0x02ccc_0x4cc
|
|
mflr r31
|
|
bl panic
|
|
|
|
major_0x02ccc_0x4cc
|
|
stw r31, PSA.SchLock + Lock.Count(r1)
|
|
mtcr r28
|
|
bns- cr6, major_0x02ccc_0x504
|
|
lwz r8, 0x0064(r6)
|
|
lwz r9, 0x0068(r6)
|
|
stw r8, 0x0024(r6)
|
|
stw r9, 0x0028(r6)
|
|
lwz r8, 0x006c(r6)
|
|
lwz r9, 0x0074(r6)
|
|
stw r8, 0x002c(r6)
|
|
stw r9, 0x0034(r6)
|
|
lwz r8, 0x007c(r6)
|
|
stw r8, 0x003c(r6)
|
|
crclr cr6_so
|
|
|
|
major_0x02ccc_0x504
|
|
; r6 = ewa
|
|
bl Restore_r14_r31
|
|
b major_0x02980_0x178
|
|
|
|
major_0x02ccc_0x50c
|
|
li r16, 0x02
|
|
stb r16, 0x0019(r31)
|
|
mr r8, r31
|
|
bl TaskReadyAsPrev
|
|
bl major_0x14af8_0xa0
|
|
b AlternateMPCallReturnPath
|
|
|
|
major_0x02ccc_0x524
|
|
b FuncExportedFromTasks
|
|
|
|
|
|
|
|
; IntDecrementer
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IntDecrementer ; OUTSIDE REFERER
|
|
; r6 = saved at *(ewa + 0x18)
|
|
; sprg1 = saved at *(ewa + 4)
|
|
; rN (0,7,8,9,10,11,12,13, not r1) = saved at *(*(ewa - 0x14) + 0x104 + 8*N)
|
|
bl int_prepare
|
|
; r0 = 0
|
|
; r1 = *(ewa - 4)
|
|
; r6 = kdp
|
|
; r7 = *(ewa - 0x10) # flags?
|
|
; r8 = ewa
|
|
; r10 = srr0
|
|
; r11 = srr1
|
|
; r12 = sprg2
|
|
; r13 = cr
|
|
|
|
lwz r8, 0x05a0(r1)
|
|
rlwinm. r9, r11, 0, 16, 16
|
|
cmpwi cr1, r8, 0x00
|
|
beq- MaskedInterruptTaken
|
|
beq- cr1, IntDecrementer_0x54
|
|
|
|
stw r16, 0x0184(r6)
|
|
stw r17, 0x018c(r6)
|
|
stw r18, 0x0194(r6)
|
|
stw r25, 0x01cc(r6)
|
|
bl major_0x14a98
|
|
ble- IntDecrementer_0x48
|
|
lwz r8, -0x09d4(r1)
|
|
mtspr dec, r8
|
|
lwz r16, 0x0184(r6)
|
|
lwz r17, 0x018c(r6)
|
|
lwz r18, 0x0194(r6)
|
|
b skeleton_key
|
|
|
|
IntDecrementer_0x48
|
|
lwz r16, 0x0184(r6)
|
|
lwz r17, 0x018c(r6)
|
|
lwz r18, 0x0194(r6)
|
|
|
|
IntDecrementer_0x54
|
|
; r6 = ewa
|
|
bl Save_r14_r31
|
|
; r8 = sprg0 (not used by me)
|
|
|
|
|
|
_Lock PSA.SchLock, scratch1=r8, scratch2=r9
|
|
|
|
lwz r8, 0x0e8c(r1)
|
|
addi r8, r8, 0x01
|
|
stw r8, 0x0e8c(r1)
|
|
bl TimerDispatch
|
|
sync
|
|
lwz r8, PSA.SchLock + Lock.Count(r1)
|
|
cmpwi cr1, r8, 0x00
|
|
li r8, 0x00
|
|
bne+ cr1, IntDecrementer_0x9c
|
|
mflr r8
|
|
bl panic
|
|
|
|
IntDecrementer_0x9c
|
|
stw r8, PSA.SchLock + Lock.Count(r1)
|
|
|
|
; r6 = ewa
|
|
bl Restore_r14_r31
|
|
b skeleton_key
|
|
|
|
|
|
|
|
; IntDSI
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IntDSI ; OUTSIDE REFERER
|
|
mfsprg r1, 0
|
|
stmw r2, 0x0008(r1)
|
|
mfsprg r11, 1
|
|
stw r0, 0x0000(r1)
|
|
stw r11, 0x0004(r1)
|
|
li r0, 0x00
|
|
mfspr r10, srr0
|
|
mfspr r11, srr1
|
|
mfsprg r12, 2
|
|
mfcr r13
|
|
mfsprg r24, 3
|
|
lwz r16, -0x0010(r1)
|
|
lwz r1, -0x0004(r1)
|
|
mfspr r26, dsisr
|
|
addi r23, r1, 0x4e0
|
|
andis. r28, r26, 0x400
|
|
mtsprg 3, r23
|
|
mfmsr r14
|
|
bne- major_0x03324_0x9c
|
|
ori r15, r14, 0x10
|
|
mtmsr r15
|
|
isync
|
|
lwz r27, 0x0000(r10)
|
|
mtmsr r14
|
|
isync
|
|
|
|
|
|
|
|
; major_0x03324
|
|
|
|
; Xrefs:
|
|
; IntDSI
|
|
; FDP_1214
|
|
|
|
major_0x03324 ; OUTSIDE REFERER
|
|
rlwinm. r18, r27, 18, 25, 29
|
|
lwz r25, 0x0650(r1)
|
|
li r21, 0x00
|
|
mfsprg r1, 0
|
|
beq- major_0x03324_0x18
|
|
lwzx r18, r1, r18
|
|
|
|
major_0x03324_0x18
|
|
andis. r26, r27, 0xec00
|
|
lwz r16, -0x0010(r1)
|
|
rlwinm r17, r27, 0, 6, 15
|
|
rlwimi r16, r16, 27, 26, 26
|
|
bge- major_0x03324_0x58
|
|
rlwimi r25, r27, 7, 26, 29
|
|
rlwimi r25, r27, 12, 25, 25
|
|
lwz r26, 0x0b80(r25)
|
|
extsh r23, r27
|
|
rlwimi r25, r26, 26, 22, 29
|
|
mtlr r25
|
|
mtcr r26
|
|
add r18, r18, r23
|
|
crclr cr5_so
|
|
rlwimi r17, r26, 6, 26, 5
|
|
blr
|
|
|
|
major_0x03324_0x58
|
|
rlwimi r25, r27, 27, 26, 29
|
|
rlwimi r25, r27, 0, 25, 25
|
|
rlwimi r25, r27, 6, 23, 24
|
|
rlwimi r25, r27, 4, 22, 22
|
|
lwz r26, 0x0800(r25)
|
|
rlwinm r23, r27, 23, 25, 29
|
|
rlwimi r25, r26, 26, 22, 29
|
|
mtlr r25
|
|
mtcr r26
|
|
lwzx r23, r1, r23
|
|
crclr cr5_so
|
|
rlwimi r17, r26, 6, 26, 5
|
|
add r18, r18, r23
|
|
blelr- cr3
|
|
neg r23, r23
|
|
add r18, r18, r23
|
|
blr
|
|
|
|
major_0x03324_0x9c ; OUTSIDE REFERER
|
|
ori r15, r14, 0x10
|
|
mr r28, r16
|
|
mfspr r18, dar
|
|
mfspr r19, dsisr
|
|
mtmsr r15
|
|
isync
|
|
lwz r27, 0x0000(r10)
|
|
mtmsr r14
|
|
isync
|
|
mtsprg 3, r24
|
|
lwz r1, -0x0004(r1)
|
|
mr r31, r19
|
|
mr r8, r18
|
|
li r9, 0x00
|
|
bl V2P
|
|
mr r16, r28
|
|
crset cr3_so
|
|
mfsprg r1, 0
|
|
beq- major_0x03324_0x12c
|
|
mr r18, r8
|
|
rlwinm r28, r27, 13, 25, 29
|
|
andis. r9, r31, 0x200
|
|
rlwimi r18, r17, 0, 0, 19
|
|
beq- major_0x03324_0x118
|
|
lwzx r31, r1, r28
|
|
stwcx. r31, 0, r18
|
|
sync
|
|
dcbf 0, r18
|
|
mfcr r31
|
|
rlwimi r13, r31, 0, 0, 3
|
|
b FDP_0da0
|
|
|
|
major_0x03324_0x118
|
|
lwarx r31, 0, r18
|
|
sync
|
|
dcbf 0, r18
|
|
stwx r31, r1, r28
|
|
b FDP_0da0
|
|
|
|
major_0x03324_0x12c
|
|
subi r10, r10, 4
|
|
b FDP_0da0
|
|
|
|
|
|
|
|
; IntAlignment
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
; This int handler is our best foothold into the FDP!
|
|
|
|
align kIntAlign
|
|
|
|
IntAlignment ; OUTSIDE REFERER
|
|
mfsprg r1, 0
|
|
stmw r2, 0x0008(r1)
|
|
mfsprg r11, 1
|
|
stw r0, 0x0000(r1)
|
|
stw r11, 0x0004(r1)
|
|
li r0, 0x00
|
|
|
|
lwz r11, EWA.PA_CurTask(r1)
|
|
lwz r16, EWA.Flags(r1)
|
|
lwz r21, Task.ThingThatAlignVecHits(r11)
|
|
lwz r1, -0x0004(r1) ; wha???
|
|
|
|
lwz r11, KDP.NanoKernelInfo + NKNanoKernelInfo.MisalignmentCount(r1)
|
|
addi r11, r11, 1
|
|
stw r11, KDP.NanoKernelInfo + NKNanoKernelInfo.MisalignmentCount(r1)
|
|
|
|
mfspr r10, srr0
|
|
mfspr r11, srr1
|
|
mfsprg r12, 2
|
|
mfcr r13
|
|
mfsprg r24, 3
|
|
mfspr r27, dsisr
|
|
mfspr r18, dar
|
|
|
|
rlwinm. r21, r21, 0, 9, 9 ; KDP.ThingThatAlignVecHits
|
|
|
|
addi r23, r1, KDP.RedVecBase
|
|
|
|
bne- major_0x03548_0x20
|
|
|
|
; DSISR for misaligned X-form instruction:
|
|
|
|
; (0) 0 (14)||(15) 29:30 (16)||(17) 25 (17)||(18) 21:24 (21)||(22) rD (26)||(27) rA? (31)
|
|
|
|
; DSISR for misaligned D-form instruction:
|
|
|
|
; (0) zero (16)||(17) 5 (17)||(18) 1:4 (21)||(22) rD (26)||(27) rA? (31)
|
|
|
|
FDP_TableBase equ 0xa00
|
|
|
|
; Virtual PC might put the thing in MSR_LE mode
|
|
rlwinm. r21, r11, 0, MSR_LEbit, MSR_LEbit ; msr bits in srr1
|
|
|
|
; Get the FDP and F.O. if we were in MSR_LE mode
|
|
lwz r25, KDP.PA_FDP(r1)
|
|
bne- major_0x03548_0x20
|
|
|
|
|
|
rlwinm. r21, r27, 17, 30, 31 ; evaluate hi two bits of XO (or 0 for d-form?)
|
|
|
|
rlwinm r17, r27, 16, 6, 15 ; save src and dest register indices in r17
|
|
|
|
mfsprg r1, 0
|
|
|
|
rlwimi r25, r27, 24, 23, 29 ; add constant fields from dsisr (*4) to FDP
|
|
|
|
|
|
rlwimi r16, r16, 27, 26, 26 ; AllCpuFeatures: copy bit 21 to bit 26
|
|
|
|
bne- @regidx
|
|
|
|
; D-form (immediate-indexed) instruction
|
|
lwz r26, FDP_TableBase + 4*(0x40 + 0x20)(r25) ; use upper quarter of table
|
|
mfmsr r14
|
|
rlwimi r25, r26, 26, 22, 29 ; third byte of lookup value is a /4 code offset in FDP
|
|
mtlr r25 ; so get ready to go there
|
|
ori r15, r14, 0x10
|
|
mtcr r26
|
|
rlwimi r17, r26, 6, 26, 5 ; wrap some shite around the register values
|
|
crclr cr5_so
|
|
blr
|
|
|
|
@regidx
|
|
; X-form (register-indexed) instruction
|
|
lwz r26, FDP_TableBase(r25)
|
|
mfmsr r14
|
|
mtsprg 3, r23
|
|
rlwimi r25, r26, 26, 22, 29
|
|
mtlr r25
|
|
ori r15, r14, 0x10
|
|
mtcr r26
|
|
rlwimi r17, r26, 6, 26, 5
|
|
crclr 23 ; unset bit 23 = cr5_so
|
|
bgelr- cr3 ; jump now if bit 12 is off
|
|
|
|
; if bit 12 was on, turn on paging and fetch the offending insn
|
|
; and also activate the Red vector table
|
|
mtmsr r15
|
|
isync
|
|
lwz r27, 0x0000(r10)
|
|
mtmsr r14
|
|
isync
|
|
mtsprg 3, r24
|
|
blr
|
|
|
|
|
|
|
|
; major_0x03548
|
|
|
|
; Xrefs:
|
|
; IntAlignment
|
|
; major_0x05808
|
|
|
|
major_0x03548 ; OUTSIDE REFERER
|
|
sync
|
|
mtmsr r14
|
|
isync
|
|
mflr r23
|
|
icbi 0, r23
|
|
sync
|
|
isync
|
|
blr
|
|
|
|
major_0x03548_0x20 ; OUTSIDE REFERER
|
|
li r8, 0x00
|
|
lis r17, -0x100
|
|
mtcr r8
|
|
mr r19, r18
|
|
rlwimi r17, r27, 7, 31, 31
|
|
xori r17, r17, 0x01
|
|
li r8, 0x18
|
|
b major_0x02980
|
|
|
|
|
|
|
|
; IntDSIOtherOther
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IntDSIOtherOther ; OUTSIDE REFERER
|
|
mfsprg r1, 0
|
|
mfspr r31, dsisr
|
|
mfspr r27, dar
|
|
andis. r28, r31, 0xc030
|
|
lwz r1, -0x0004(r1)
|
|
bne- IntDSIOtherOther_0x1c8
|
|
mfspr r30, srr1
|
|
andi. r28, r30, 0x4000
|
|
mfsprg r30, 0
|
|
beq- IntDSIOtherOther_0x100
|
|
stw r8, -0x00e0(r30)
|
|
stw r9, -0x00dc(r30)
|
|
mfcr r8
|
|
stw r16, -0x00d8(r30)
|
|
stw r17, -0x00d4(r30)
|
|
stw r18, -0x00d0(r30)
|
|
stw r19, -0x00cc(r30)
|
|
stw r8, -0x00c8(r30)
|
|
lwz r8, -0x001c(r30)
|
|
mr r9, r27
|
|
bl FindAreaAbove
|
|
lwz r16, 0x0024(r8)
|
|
lwz r17, 0x0028(r8)
|
|
cmplw r27, r16
|
|
cmplw cr7, r27, r17
|
|
blt- IntDSIOtherOther_0xe0
|
|
bgt- cr7, IntDSIOtherOther_0xe0
|
|
mr r31, r8
|
|
mr r8, r27
|
|
bl MPCall_95_0x1e4
|
|
beq- IntDSIOtherOther_0xe0
|
|
lwz r8, 0x0000(r30)
|
|
lwz r16, 0x0098(r31)
|
|
rlwinm r28, r8, 0, 29, 30
|
|
cmpwi cr7, r28, 0x04
|
|
cmpwi r28, 0x02
|
|
beq- cr7, IntDSIOtherOther_0xe0
|
|
beq- IntDSIOtherOther_0xe0
|
|
|
|
IntDSIOtherOther_0x98
|
|
addi r17, r31, 0x90
|
|
cmpw r16, r17
|
|
addi r17, r16, 0x14
|
|
beq- IntDSIOtherOther_0x158
|
|
lwz r9, 0x0010(r16)
|
|
add r9, r9, r17
|
|
|
|
IntDSIOtherOther_0xb0
|
|
lwz r18, 0x0000(r17)
|
|
cmplw cr7, r17, r9
|
|
lwz r19, 0x0004(r17)
|
|
bgt- cr7, IntDSIOtherOther_0xd8
|
|
cmplw r27, r18
|
|
cmplw cr7, r27, r19
|
|
blt- IntDSIOtherOther_0xd0
|
|
ble- cr7, IntDSIOtherOther_0xe0
|
|
|
|
IntDSIOtherOther_0xd0
|
|
addi r17, r17, 0x08
|
|
b IntDSIOtherOther_0xb0
|
|
|
|
IntDSIOtherOther_0xd8
|
|
lwz r16, 0x0008(r16)
|
|
b IntDSIOtherOther_0x98
|
|
|
|
IntDSIOtherOther_0xe0
|
|
mfsprg r30, 0
|
|
mfspr r31, dsisr
|
|
lwz r8, -0x00e0(r30)
|
|
lwz r9, -0x00dc(r30)
|
|
lwz r16, -0x00d8(r30)
|
|
lwz r17, -0x00d4(r30)
|
|
lwz r18, -0x00d0(r30)
|
|
lwz r19, -0x00cc(r30)
|
|
|
|
IntDSIOtherOther_0x100
|
|
andis. r28, r31, 0x800
|
|
addi r29, r1, 800
|
|
bnel- PagingFunc3
|
|
li r28, 0x43
|
|
and r28, r31, r28
|
|
cmpwi cr7, r28, 0x43
|
|
beql+ Local_Panic
|
|
mfsprg r28, 2
|
|
mtlr r28
|
|
bne- cr7, IntDSIOtherOther_0x144
|
|
mfspr r28, srr0
|
|
addi r28, r28, 0x04
|
|
lwz r26, 0x0e90(r1)
|
|
mtspr srr0, r28
|
|
addi r26, r26, 0x01
|
|
stw r26, 0x0e90(r1)
|
|
b IntDSIOtherOther_0x19c
|
|
|
|
IntDSIOtherOther_0x144
|
|
andi. r28, r31, 0x03
|
|
li r8, 0x16
|
|
beq+ major_0x02980
|
|
li r8, 0x15
|
|
b major_0x02980
|
|
|
|
IntDSIOtherOther_0x158
|
|
mfsprg r30, 0
|
|
lwz r16, 0x0f00(r1)
|
|
lwz r8, -0x00c8(r30)
|
|
addi r16, r16, 0x01
|
|
mtcr r8
|
|
lwz r9, -0x00dc(r30)
|
|
stw r16, 0x0f00(r1)
|
|
lwz r16, -0x00d8(r30)
|
|
lwz r17, -0x00d4(r30)
|
|
lwz r18, -0x00d0(r30)
|
|
lwz r19, -0x00cc(r30)
|
|
lwz r8, -0x00e0(r30)
|
|
mfspr r29, srr1
|
|
mfsprg r28, 2
|
|
rlwinm r29, r29, 0, 18, 16
|
|
mtlr r28
|
|
mtspr srr1, r29
|
|
|
|
IntDSIOtherOther_0x19c
|
|
mfsprg r1, 1
|
|
rlwinm r26, r25, 30, 24, 31
|
|
rfi
|
|
dcb.b 32, 0
|
|
|
|
|
|
IntDSIOtherOther_0x1c8
|
|
andis. r28, r31, 0x8010
|
|
bne- IntMachineCheckMemRetry_0x14c
|
|
|
|
_Lock PSA.HTABLock, scratch1=r28, scratch2=r31
|
|
|
|
bl PagingFunc1
|
|
sync
|
|
lwz r28, -0x0b90(r1)
|
|
cmpwi cr1, r28, 0x00
|
|
li r28, 0x00
|
|
bne+ cr1, IntDSIOtherOther_0x208
|
|
mflr r28
|
|
bl panic
|
|
|
|
IntDSIOtherOther_0x208
|
|
stw r28, -0x0b90(r1)
|
|
mfsprg r28, 2
|
|
mtlr r28
|
|
beq+ IntDSIOtherOther_0x19c
|
|
li r8, 0x12
|
|
bge+ major_0x02980
|
|
li r8, 0x14
|
|
b major_0x02980
|
|
|
|
|
|
|
|
; IntMachineCheckMemRetry
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
; IntDSIOtherOther
|
|
|
|
IntMachineCheckMemRetry ; OUTSIDE REFERER
|
|
mfsprg r1, 0
|
|
mr r28, r8
|
|
|
|
lwz r27, EWA.CPUBase + CPU.ID(r1)
|
|
_log 'CPU '
|
|
mr r8, r27
|
|
bl Printw
|
|
|
|
_log 'MemRetry machine check - last EA '
|
|
lwz r1, EWA.PA_KDP(r1)
|
|
lwz r27, 0x0694(r1)
|
|
mr r8, r27
|
|
bl Printw
|
|
|
|
_log ' SRR1 '
|
|
mfspr r8, srr1
|
|
mr r8, r8
|
|
bl Printw
|
|
|
|
_log ' SRR0 '
|
|
mfspr r8, srr0
|
|
mr r8, r8
|
|
bl Printw
|
|
_log '^n'
|
|
|
|
mr r8, r28
|
|
lwz r1, EWA.PA_KDP(r1)
|
|
lwz r27, 0x0694(r1)
|
|
subf r28, r19, r27
|
|
cmpwi r28, -0x10
|
|
blt- IntMachineCheckMemRetry_0x14c
|
|
cmpwi r28, 0x10
|
|
bgt- IntMachineCheckMemRetry_0x14c
|
|
|
|
_Lock PSA.HTABLock, scratch1=r28, scratch2=r29
|
|
|
|
lwz r28, 0x0e98(r1)
|
|
addi r28, r28, 0x01
|
|
stw r28, 0x0e98(r1)
|
|
lwz r29, 0x0698(r1)
|
|
li r28, 0x00
|
|
stw r28, 0x0000(r29)
|
|
mfspr r28, pvr
|
|
rlwinm. r28, r28, 0, 0, 14
|
|
sync
|
|
tlbie r27
|
|
beq- IntMachineCheckMemRetry_0x124
|
|
sync
|
|
tlbsync
|
|
|
|
IntMachineCheckMemRetry_0x124
|
|
sync
|
|
isync
|
|
sync
|
|
lwz r28, -0x0b90(r1)
|
|
cmpwi cr1, r28, 0x00
|
|
li r28, 0x00
|
|
bne+ cr1, IntMachineCheckMemRetry_0x148
|
|
mflr r28
|
|
bl panic
|
|
|
|
IntMachineCheckMemRetry_0x148
|
|
stw r28, -0x0b90(r1)
|
|
|
|
IntMachineCheckMemRetry_0x14c ; OUTSIDE REFERER
|
|
cmplw r10, r19
|
|
li r8, 0x13
|
|
bne+ major_0x02980
|
|
mfsprg r1, 0
|
|
mtsprg 3, r24
|
|
lmw r14, 0x0038(r1)
|
|
li r8, 0x0b
|
|
b major_0x02980_0x134
|
|
|
|
|
|
|
|
; IntISI
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IntISI ; OUTSIDE REFERER
|
|
; r6 = saved at *(ewa + 0x18)
|
|
; sprg1 = saved at *(ewa + 4)
|
|
; rN (0,7,8,9,10,11,12,13, not r1) = saved at *(*(ewa - 0x14) + 0x104 + 8*N)
|
|
bl int_prepare
|
|
; r0 = 0
|
|
; r1 = *(ewa - 4)
|
|
; r6 = kdp
|
|
; r7 = *(ewa - 0x10) # flags?
|
|
; r8 = ewa
|
|
; r10 = srr0
|
|
; r11 = srr1
|
|
; r12 = sprg2
|
|
; r13 = cr
|
|
|
|
andis. r8, r11, 0x4020
|
|
beq- major_0x039dc_0x14
|
|
mfsprg r8, 0
|
|
stmw r14, 0x0038(r8)
|
|
|
|
_Lock PSA.HTABLock, scratch1=r28, scratch2=r31
|
|
|
|
mr r27, r10
|
|
bl PagingFunc1
|
|
sync
|
|
lwz r28, -0x0b90(r1)
|
|
cmpwi cr1, r28, 0x00
|
|
li r28, 0x00
|
|
bne+ cr1, IntISI_0x50
|
|
mflr r28
|
|
bl panic
|
|
|
|
IntISI_0x50
|
|
stw r28, -0x0b90(r1)
|
|
mfsprg r8, 0
|
|
bne- major_0x039dc
|
|
mfsprg r24, 3
|
|
mfmsr r14
|
|
ori r15, r14, 0x10
|
|
addi r23, r1, 0x4e0
|
|
mtsprg 3, r23
|
|
mr r19, r10
|
|
mtmsr r15
|
|
isync
|
|
lbz r23, 0x0000(r19)
|
|
sync
|
|
mtmsr r14
|
|
isync
|
|
mfsprg r8, 0
|
|
mtsprg 3, r24
|
|
lmw r14, 0x0038(r8)
|
|
b skeleton_key
|
|
|
|
|
|
|
|
; major_0x039dc
|
|
|
|
; Xrefs:
|
|
; IntISI
|
|
; IntDSIOther
|
|
|
|
major_0x039dc ; OUTSIDE REFERER
|
|
lmw r14, 0x0038(r8)
|
|
li r8, 0x0c
|
|
blt+ major_0x02980_0x134
|
|
li r8, 0x0a
|
|
b major_0x02980_0x134
|
|
|
|
major_0x039dc_0x14 ; OUTSIDE REFERER
|
|
andis. r8, r11, 0x800
|
|
li r8, 0x0e
|
|
bne+ major_0x02980_0x134
|
|
li r8, 0x0b
|
|
b major_0x02980_0x134
|
|
|
|
|
|
|
|
; IntMachineCheck
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
IntMachineCheck ; OUTSIDE REFERER
|
|
; r6 = saved at *(ewa + 0x18)
|
|
; sprg1 = saved at *(ewa + 4)
|
|
; rN (0,7,8,9,10,11,12,13, not r1) = saved at *(*(ewa - 0x14) + 0x104 + 8*N)
|
|
bl int_prepare
|
|
; r0 = 0
|
|
; r1 = *(ewa - 4)
|
|
; r6 = kdp
|
|
; r7 = *(ewa - 0x10) # flags?
|
|
; r8 = ewa
|
|
; r10 = srr0
|
|
; r11 = srr1
|
|
; r12 = sprg2
|
|
; r13 = cr
|
|
|
|
lwz r9, EWA.CPUBase + CPU.ID(r8)
|
|
_log 'CPU '
|
|
mr r8, r9
|
|
bl Printw
|
|
|
|
_log 'Machine check at ' ; srr1/srr0
|
|
mr r8, r11
|
|
bl Printw
|
|
mr r8, r10
|
|
bl Printw
|
|
|
|
_log '- last unmapped EA '
|
|
lwz r8, 0x0694(r1)
|
|
mr r8, r8
|
|
bl Printw
|
|
_log '^n'
|
|
|
|
rlwinm. r8, r11, 0, 2, 2
|
|
beq- IntMachineCheck_0xa4
|
|
bl kcCacheDispatch_0x39c
|
|
b skeleton_key
|
|
|
|
IntMachineCheck_0xa4
|
|
li r8, 0x07
|
|
b major_0x02980_0x134
|
|
|
|
|
|
|
|
; MaskedInterruptTaken
|
|
|
|
; Xrefs:
|
|
; IntDecrementer
|
|
; IntPerfMonitor
|
|
; IntThermalEvent
|
|
; IntExternalYellow
|
|
|
|
MaskedInterruptTaken ; OUTSIDE REFERER
|
|
_log '*** CPU MALFUNCTION - Masked interrupt punched through. SRR1/0 '
|
|
mr r8, r11
|
|
bl Printw
|
|
mr r8, r10
|
|
bl Printw
|
|
_log '^n'
|
|
lis r10, -0x4523
|
|
ori r10, r10, 0xcb00
|
|
li r8, 0x07
|
|
b major_0x02980_0x134
|
|
|
|
|
|
|
|
; IntDSIOther
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IntDSIOther ; OUTSIDE REFERER
|
|
mfspr r8, dsisr
|
|
rlwimi r11, r8, 0, 0, 9
|
|
andis. r8, r11, 0x4020
|
|
beq+ major_0x039dc_0x14
|
|
mfsprg r8, 0
|
|
stmw r14, 0x0038(r8)
|
|
lwz r1, -0x0004(r8)
|
|
|
|
_Lock PSA.HTABLock, scratch1=r28, scratch2=r31
|
|
|
|
mfspr r27, dar
|
|
bl PagingFunc1
|
|
sync
|
|
lwz r28, -0x0b90(r1)
|
|
cmpwi cr1, r28, 0x00
|
|
li r28, 0x00
|
|
bne+ cr1, IntDSIOther_0x58
|
|
mflr r28
|
|
bl panic
|
|
|
|
IntDSIOther_0x58
|
|
stw r28, -0x0b90(r1)
|
|
mfsprg r8, 0
|
|
bne+ major_0x039dc
|
|
lmw r14, 0x0038(r8)
|
|
mfsprg r1, 2
|
|
mtlr r1
|
|
mfsprg r1, 1
|
|
rfi
|
|
dcb.b 32, 0
|
|
|
|
|
|
|
|
|
|
; major_0x03be0
|
|
|
|
; Xrefs:
|
|
; "sup"
|
|
|
|
align kIntAlign
|
|
|
|
; dead code?
|
|
|
|
dc.l 0x81610e40
|
|
dc.l 0x7d8a6378
|
|
dc.l 0x396b0001
|
|
dc.l 0x91610e40
|
|
dc.l 0x7d7b02a6
|
|
dc.l 0x50e7deb4
|
|
|
|
kcReturnFromException ; OUTSIDE REFERER
|
|
ori r11, r11, 0x8000
|
|
mtcrf 0x3f, r7
|
|
cmplwi cr1, r3, 0x01
|
|
blt- cr4, major_0x04a20_0x18
|
|
blt- cr1, major_0x03be0_0x58
|
|
beq- cr1, major_0x03be0_0x90
|
|
addi r8, r3, -0x20
|
|
lwz r9, 0x0eac(r1)
|
|
cmplwi r8, 0xe0
|
|
addi r9, r9, 0x01
|
|
stw r9, 0x0eac(r1)
|
|
mfsprg r1, 0
|
|
rlwimi r7, r3, 24, 0, 7
|
|
blt- major_0x03be0_0xe8
|
|
li r8, 0x02
|
|
b major_0x02980_0x134
|
|
|
|
major_0x03be0_0x58
|
|
mfsprg r1, 0
|
|
lwz r8, 0x0040(r6)
|
|
lwz r10, 0x0084(r6)
|
|
rlwimi r7, r8, 0, 17, 7
|
|
lwz r8, 0x0044(r6)
|
|
rlwimi r11, r7, 0, 20, 23
|
|
stw r8, -0x000c(r1)
|
|
andi. r8, r11, 0x900
|
|
lwz r12, 0x008c(r6)
|
|
lwz r3, 0x0094(r6)
|
|
lwz r4, 0x009c(r6)
|
|
bnel- major_0x03e18
|
|
addi r9, r6, 0x40
|
|
b skeleton_key
|
|
|
|
major_0x03be0_0x90
|
|
lwz r9, 0x0ea8(r1)
|
|
lwz r8, 0x0040(r6)
|
|
addi r9, r9, 0x01
|
|
stw r9, 0x0ea8(r1)
|
|
mfsprg r1, 0
|
|
lwz r10, 0x0084(r6)
|
|
rlwimi r7, r8, 0, 17, 7
|
|
lwz r8, 0x0044(r6)
|
|
mtcrf 0x0f, r7
|
|
rlwimi r11, r7, 0, 20, 23
|
|
stw r8, -0x000c(r1)
|
|
lwz r12, 0x008c(r6)
|
|
lwz r3, 0x0094(r6)
|
|
lwz r4, 0x009c(r6)
|
|
bne- cr2, major_0x03be0_0xe8
|
|
bns- cr6, major_0x03be0_0xe8
|
|
stmw r14, 0x0038(r1)
|
|
lwz r17, 0x0064(r6)
|
|
lwz r20, 0x0068(r6)
|
|
lwz r21, 0x006c(r6)
|
|
lwz r19, 0x0074(r6)
|
|
lwz r18, 0x007c(r6)
|
|
|
|
major_0x03be0_0xe8
|
|
beq+ cr2, major_0x02980_0x178
|
|
crclr cr6_so
|
|
mfspr r10, srr0
|
|
li r8, 0x02
|
|
b major_0x02980_0x134
|
|
|
|
|
|
|
|
; save_all_registers
|
|
|
|
; Xrefs:
|
|
; IntPerfMonitor
|
|
; IntThermalEvent
|
|
|
|
align 5
|
|
|
|
save_all_registers ; OUTSIDE REFERER
|
|
mfsprg r1, 0
|
|
stw r6, 0x0018(r1)
|
|
mfsprg r6, 1
|
|
stw r6, 0x0004(r1)
|
|
lwz r6, -0x0014(r1)
|
|
stw r0, 0x0104(r6)
|
|
stw r7, 0x013c(r6)
|
|
stw r8, 0x0144(r6)
|
|
stw r9, 0x014c(r6)
|
|
stw r10, 0x0154(r6)
|
|
stw r11, 0x015c(r6)
|
|
stw r12, 0x0164(r6)
|
|
stw r13, 0x016c(r6)
|
|
li r0, 0x00
|
|
mfspr r10, srr0
|
|
mfspr r11, srr1
|
|
mfcr r13
|
|
mfsprg r12, 2
|
|
lwz r7, -0x0010(r1)
|
|
lwz r1, -0x0004(r1)
|
|
|
|
; r6 = ewa
|
|
b Save_r14_r31
|
|
; r8 = sprg0 (not used by me)
|
|
|
|
|
|
|
|
; How we arrive here:
|
|
;
|
|
; PowerPC exception vector saved r1/LR in SPRG1/2 and
|
|
; jumped where directed by the vecTable pointed to by
|
|
; SPRG3. That function bl'ed here.
|
|
;
|
|
;
|
|
; When we arrive here:
|
|
;
|
|
; r1 is saved in SPRG1 (r1 itself is junk)
|
|
; LR is saved in SPRG2 (LR itself contains return addr)
|
|
;
|
|
;
|
|
; Before we return:
|
|
;
|
|
; Reg Contains Original saved in
|
|
; ---------------------------------------------
|
|
; r0 0 ContextBlock
|
|
; r1 KDP EWA
|
|
; r2 (itself)
|
|
; r3 (itself)
|
|
; r4 (itself)
|
|
; r5 (itself)
|
|
; r6 ContextBlock EWA
|
|
; r7 AllCpuFeatures ContextBlock
|
|
; r8 EWA ContextBlock
|
|
; r9 (itself) ContextBlock
|
|
; r10 SRR0 ContextBlock
|
|
; r11 SRR1 ContextBlock
|
|
; r12 LR ContextBlock
|
|
; r13 CR ContextBlock
|
|
;
|
|
;
|
|
; Can be followed up by a call to Save_r14_r31,
|
|
; (which will put them in the ContextBlock too).
|
|
|
|
align 5
|
|
|
|
int_prepare
|
|
|
|
; Get EWA pointer in r1 (phew)
|
|
mfsprg r1, 0
|
|
|
|
; Save r6 in EWA
|
|
stw r6, EWA.r6(r1)
|
|
|
|
; Save pre-interrupt r1 (which SPRG1 held) to EWA
|
|
mfsprg r6, 1
|
|
stw r6, EWA.r1(r1)
|
|
|
|
; Get ContextBlock pointer in r6 (phew)
|
|
lwz r6, EWA.PA_ContextBlock(r1)
|
|
|
|
; Save r0, r7-r13 in ContextBlock
|
|
stw r0, ContextBlock.r0(r6)
|
|
stw r7, ContextBlock.r7(r6)
|
|
stw r8, ContextBlock.r8(r6)
|
|
stw r9, ContextBlock.r9(r6)
|
|
stw r10, ContextBlock.r10(r6)
|
|
stw r11, ContextBlock.r11(r6)
|
|
stw r12, ContextBlock.r12(r6)
|
|
stw r13, ContextBlock.r13(r6)
|
|
|
|
; Zero r0 (convenient)
|
|
li r0, 0
|
|
|
|
; Make some useful special registers conveniently available
|
|
mfspr r10, srr0
|
|
mfspr r11, srr1
|
|
mfcr r13
|
|
mfsprg r12, 2
|
|
|
|
; Point r8 to EWA
|
|
mr r8, r1
|
|
|
|
; Features in r7, KDP in r8
|
|
lwz r7, EWA.Flags(r1)
|
|
lwz r1, EWA.PA_KDP(r1)
|
|
|
|
blr
|
|
|
|
|
|
|
|
; IntFPUnavail
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IntFPUnavail ; OUTSIDE REFERER
|
|
mfsprg r1, 0
|
|
stw r11, -0x0290(r1)
|
|
stw r6, -0x028c(r1)
|
|
lwz r6, -0x0004(r1)
|
|
lwz r11, 0x0e88(r6)
|
|
addi r11, r11, 0x01
|
|
stw r11, 0x0e88(r6)
|
|
mfspr r11, srr1
|
|
ori r11, r11, 0x2000
|
|
mtspr srr1, r11
|
|
mfmsr r11
|
|
ori r11, r11, 0x2000
|
|
lwz r6, -0x0014(r1)
|
|
mtmsr r11
|
|
isync
|
|
bl LoadFloatsFromContextBlock
|
|
lwz r11, -0x0290(r1)
|
|
lwz r6, -0x028c(r1)
|
|
mfsprg r1, 2
|
|
mtlr r1
|
|
mfsprg r1, 1
|
|
rfi
|
|
dcb.b 32, 0
|
|
|
|
|
|
|
|
|
|
; major_0x03e18
|
|
|
|
; Xrefs:
|
|
; major_0x02980
|
|
; major_0x03be0
|
|
; IntFPUnavail
|
|
; kcRTASDispatch
|
|
|
|
major_0x03e18 ; OUTSIDE REFERER
|
|
rlwinm. r8, r11, 0, 18, 18
|
|
bnelr-
|
|
|
|
major_0x03e18_0x8 ; OUTSIDE REFERER
|
|
lwz r8, 0x00e4(r6)
|
|
rlwinm. r8, r8, 1, 0, 0
|
|
mfmsr r8
|
|
ori r8, r8, 0x2000
|
|
beqlr-
|
|
mtmsr r8
|
|
isync
|
|
ori r11, r11, 0x2000
|
|
|
|
LoadFloatsFromContextBlock ; OUTSIDE REFERER
|
|
lfd f31, 0x00e0(r6)
|
|
lfd f0, 0x0200(r6)
|
|
lfd f1, 0x0208(r6)
|
|
lfd f2, 0x0210(r6)
|
|
lfd f3, 0x0218(r6)
|
|
lfd f4, 0x0220(r6)
|
|
lfd f5, 0x0228(r6)
|
|
lfd f6, 0x0230(r6)
|
|
lfd f7, 0x0238(r6)
|
|
mtfsf 0xff, f31
|
|
lfd f8, 0x0240(r6)
|
|
lfd f9, 0x0248(r6)
|
|
lfd f10, 0x0250(r6)
|
|
lfd f11, 0x0258(r6)
|
|
lfd f12, 0x0260(r6)
|
|
lfd f13, 0x0268(r6)
|
|
lfd f14, 0x0270(r6)
|
|
lfd f15, 0x0278(r6)
|
|
lfd f16, 0x0280(r6)
|
|
lfd f17, 0x0288(r6)
|
|
lfd f18, 0x0290(r6)
|
|
lfd f19, 0x0298(r6)
|
|
lfd f20, 0x02a0(r6)
|
|
lfd f21, 0x02a8(r6)
|
|
lfd f22, 0x02b0(r6)
|
|
lfd f23, 0x02b8(r6)
|
|
lfd f24, 0x02c0(r6)
|
|
lfd f25, 0x02c8(r6)
|
|
lfd f26, 0x02d0(r6)
|
|
lfd f27, 0x02d8(r6)
|
|
lfd f28, 0x02e0(r6)
|
|
lfd f29, 0x02e8(r6)
|
|
lfd f30, 0x02f0(r6)
|
|
lfd f31, 0x02f8(r6)
|
|
blr
|
|
|
|
|
|
|
|
|
|
|
|
major_0x03e18_0xb4 ; OUTSIDE REFERER
|
|
mfmsr r8
|
|
ori r8, r8, 0x2000
|
|
mtmsr r8
|
|
isync
|
|
rlwinm r11, r11, 0, 19, 17
|
|
stfd f0, 0x0200(r6)
|
|
stfd f1, 0x0208(r6)
|
|
stfd f2, 0x0210(r6)
|
|
stfd f3, 0x0218(r6)
|
|
stfd f4, 0x0220(r6)
|
|
stfd f5, 0x0228(r6)
|
|
stfd f6, 0x0230(r6)
|
|
stfd f7, 0x0238(r6)
|
|
stfd f8, 0x0240(r6)
|
|
stfd f9, 0x0248(r6)
|
|
stfd f10, 0x0250(r6)
|
|
stfd f11, 0x0258(r6)
|
|
stfd f12, 0x0260(r6)
|
|
stfd f13, 0x0268(r6)
|
|
stfd f14, 0x0270(r6)
|
|
stfd f15, 0x0278(r6)
|
|
stfd f16, 0x0280(r6)
|
|
stfd f17, 0x0288(r6)
|
|
stfd f18, 0x0290(r6)
|
|
stfd f19, 0x0298(r6)
|
|
stfd f20, 0x02a0(r6)
|
|
stfd f21, 0x02a8(r6)
|
|
stfd f22, 0x02b0(r6)
|
|
stfd f23, 0x02b8(r6)
|
|
mffs f0
|
|
stfd f24, 0x02c0(r6)
|
|
stfd f25, 0x02c8(r6)
|
|
stfd f26, 0x02d0(r6)
|
|
stfd f27, 0x02d8(r6)
|
|
stfd f28, 0x02e0(r6)
|
|
stfd f29, 0x02e8(r6)
|
|
stfd f30, 0x02f0(r6)
|
|
stfd f31, 0x02f8(r6)
|
|
stfd f0, 0x00e0(r6)
|
|
blr
|
|
|
|
|
|
|
|
|
|
; indexed emulation code, mofo
|
|
|
|
;two instructions per load-store register
|
|
|
|
macro
|
|
CreateFloatJumpTable &opcode, &dest, &highest==31
|
|
|
|
if &highest > 0
|
|
CreateFloatJumpTable &opcode, &dest, highest = (&highest) - 1
|
|
endif
|
|
|
|
&opcode (&highest), -0x2e0(r1)
|
|
b &dest
|
|
|
|
endm
|
|
|
|
|
|
FloatLoadJumpTable
|
|
CreateFloatJumpTable lfd, FDP_0da0
|
|
|
|
|
|
FloatSaveJumpTable
|
|
CreateFloatJumpTable stfd, FDP_003c
|
|
|
|
|
|
|
|
|
|
; major_0x04180
|
|
|
|
; Xrefs:
|
|
; IntPerfMonitor
|
|
|
|
align 6
|
|
|
|
major_0x04180 ; OUTSIDE REFERER
|
|
stw r6, -0x0290(r1)
|
|
stw r10, -0x028c(r1)
|
|
stw r11, -0x0288(r1)
|
|
lwz r6, -0x0014(r1)
|
|
lwz r10, 0x00d8(r6)
|
|
mfspr r11, srr1
|
|
cmpwi r10, 0x00
|
|
beql- major_0x04180_0x9c
|
|
oris r11, r11, 0x200
|
|
stw r9, -0x027c(r1)
|
|
mtspr srr1, r11
|
|
mfmsr r11
|
|
oris r11, r11, 0x200
|
|
mtmsr r11
|
|
isync
|
|
bl Restore_v0_v31
|
|
lwz r8, -0x0004(r1)
|
|
lwz r11, 0x0ed4(r8)
|
|
addi r11, r11, 0x01
|
|
stw r11, 0x0ed4(r8)
|
|
mtcr r13
|
|
lwz r6, -0x0290(r1)
|
|
lwz r10, -0x028c(r1)
|
|
lwz r11, -0x0288(r1)
|
|
lwz r13, -0x0284(r1)
|
|
lwz r8, -0x0280(r1)
|
|
lwz r9, -0x027c(r1)
|
|
mfsprg r1, 2
|
|
mtlr r1
|
|
mfsprg r1, 1
|
|
rfi
|
|
dcb.b 32, 0
|
|
|
|
|
|
major_0x04180_0x9c
|
|
mtcr r13
|
|
lwz r6, -0x0290(r1)
|
|
lwz r10, -0x028c(r1)
|
|
lwz r11, -0x0288(r1)
|
|
lwz r13, -0x0284(r1)
|
|
|
|
; r6 = saved at *(ewa + 0x18)
|
|
; sprg1 = saved at *(ewa + 4)
|
|
; rN (0,7,8,9,10,11,12,13, not r1) = saved at *(*(ewa - 0x14) + 0x104 + 8*N)
|
|
bl int_prepare
|
|
; r0 = 0
|
|
; r1 = *(ewa - 4)
|
|
; r6 = kdp
|
|
; r7 = *(ewa - 0x10) # flags?
|
|
; r8 = ewa
|
|
; r10 = srr0
|
|
; r11 = srr1
|
|
; r12 = sprg2
|
|
; r13 = cr
|
|
|
|
li r8, 0x04
|
|
b major_0x02980_0x134
|
|
|
|
|
|
|
|
; IntPerfMonitor
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IntPerfMonitor ; OUTSIDE REFERER
|
|
mtlr r1
|
|
mfsprg r1, 0
|
|
stw r8, -0x0280(r1)
|
|
stw r13, -0x0284(r1)
|
|
mflr r8
|
|
mfcr r13
|
|
cmpwi r8, 0xf20
|
|
beq+ major_0x04180
|
|
mtcr r13
|
|
lwz r13, -0x0284(r1)
|
|
lwz r8, -0x0280(r1)
|
|
bl save_all_registers
|
|
mr r28, r8
|
|
rlwinm. r9, r11, 0, 16, 16
|
|
beq+ MaskedInterruptTaken
|
|
|
|
_Lock PSA.SchLock, scratch1=r8, scratch2=r9
|
|
|
|
lwz r8, -0x0414(r1)
|
|
|
|
; r8 = id
|
|
bl LookupID
|
|
cmpwi r9, Notification.kIDClass
|
|
|
|
mr r30, r8
|
|
bne- IntPerfMonitor_0x88
|
|
lwz r16, -0x0340(r28)
|
|
lwz r17, -0x0008(r28)
|
|
stw r16, 0x0010(r30)
|
|
lwz r16, 0x0000(r17)
|
|
stw r16, 0x0014(r30)
|
|
mfspr r16, 955
|
|
stw r16, 0x0018(r30)
|
|
bl major_0x0db04
|
|
|
|
IntPerfMonitor_0x88
|
|
sync
|
|
lwz r8, PSA.SchLock + Lock.Count(r1)
|
|
cmpwi cr1, r8, 0x00
|
|
li r8, 0x00
|
|
bne+ cr1, IntPerfMonitor_0xa4
|
|
mflr r8
|
|
bl panic
|
|
|
|
IntPerfMonitor_0xa4
|
|
stw r8, PSA.SchLock + Lock.Count(r1)
|
|
|
|
; r6 = ewa
|
|
bl Restore_r14_r31
|
|
b skeleton_key
|
|
|
|
|
|
|
|
; IntThermalEvent
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IntThermalEvent ; OUTSIDE REFERER
|
|
bl save_all_registers
|
|
mr r28, r8
|
|
rlwinm. r9, r11, 0, 16, 16
|
|
beq+ MaskedInterruptTaken
|
|
_log 'Thermal event^n'
|
|
|
|
_Lock PSA.SchLock, scratch1=r8, scratch2=r9
|
|
|
|
lwz r8, -0x0418(r1)
|
|
|
|
; r8 = id
|
|
bl LookupID
|
|
cmpwi r9, Notification.kIDClass
|
|
|
|
mr r30, r8
|
|
bne- IntThermalEvent_0x68
|
|
lwz r16, -0x0340(r28)
|
|
stw r16, 0x0010(r30)
|
|
bl major_0x0db04
|
|
|
|
IntThermalEvent_0x68
|
|
sync
|
|
lwz r8, PSA.SchLock + Lock.Count(r1)
|
|
cmpwi cr1, r8, 0x00
|
|
li r8, 0x00
|
|
bne+ cr1, IntThermalEvent_0x84
|
|
mflr r8
|
|
bl panic
|
|
|
|
IntThermalEvent_0x84
|
|
stw r8, PSA.SchLock + Lock.Count(r1)
|
|
|
|
; r6 = ewa
|
|
bl Restore_r14_r31
|
|
b skeleton_key
|
|
|
|
|
|
|
|
; kcRunAlternateContext
|
|
|
|
; Xrefs:
|
|
; "sup"
|
|
|
|
align kIntAlign
|
|
|
|
kcRunAlternateContext ; OUTSIDE REFERER
|
|
mtcrf 0x3f, r7
|
|
bnel+ cr2, skeleton_key
|
|
and. r8, r4, r13
|
|
lwz r9, 0x0340(r1)
|
|
rlwinm r8, r3, 0, 0, 25
|
|
cmpw cr1, r8, r9
|
|
bne+ skeleton_key
|
|
lwz r9, 0x0344(r1)
|
|
bne- cr1, major_0x043a0_0x48
|
|
|
|
major_0x043a0_0x24
|
|
addi r8, r1, 0x420
|
|
mtsprg 3, r8
|
|
lwz r8, 0x0648(r1)
|
|
mtcrf 0x3f, r7
|
|
mfsprg r1, 0
|
|
clrlwi r7, r7, 0x08
|
|
stw r8, 0x005c(r9)
|
|
stw r9, -0x0014(r1)
|
|
b major_0x02980_0x18c
|
|
|
|
major_0x043a0_0x48
|
|
lwz r9, 0x0348(r1)
|
|
cmpw cr1, r8, r9
|
|
beq- cr1, major_0x043a0_0x130
|
|
lwz r9, 0x0350(r1)
|
|
cmpw cr1, r8, r9
|
|
beq- cr1, major_0x043a0_0x110
|
|
lwz r9, 0x0358(r1)
|
|
cmpw cr1, r8, r9
|
|
beq- cr1, major_0x043a0_0xf0
|
|
mfsprg r1, 0
|
|
stmw r14, 0x0038(r1)
|
|
lwz r1, -0x0004(r1)
|
|
cmpw cr1, r8, r6
|
|
beq- cr1, major_0x043a0_0x154
|
|
mr r27, r8
|
|
addi r29, r1, 800
|
|
bl PagingFunc3
|
|
clrlwi r23, r8, 0x14
|
|
beq- major_0x043a0_0x154
|
|
cmplwi r23, 0xd00
|
|
mr r9, r8
|
|
mr r8, r31
|
|
ble- major_0x043a0_0xc4
|
|
addi r27, r27, 0x1000
|
|
addi r29, r1, 800
|
|
bl PagingFunc3
|
|
beq- major_0x043a0_0x154
|
|
addi r31, r31, -0x1000
|
|
xor r23, r8, r31
|
|
rlwinm. r23, r23, 0, 25, 22
|
|
bne- major_0x043a0_0x154
|
|
|
|
major_0x043a0_0xc4
|
|
clrlwi r23, r31, 0x1e
|
|
cmpwi r23, 0x03
|
|
rlwimi r8, r9, 0, 20, 31
|
|
beq- major_0x043a0_0x154
|
|
lwz r23, 0x0ea4(r1)
|
|
addi r23, r23, 0x01
|
|
stw r23, 0x0ea4(r1)
|
|
mfsprg r1, 0
|
|
lmw r14, 0x0038(r1)
|
|
lwz r1, -0x0004(r1)
|
|
stw r8, 0x035c(r1)
|
|
|
|
major_0x043a0_0xf0
|
|
lwz r8, 0x0350(r1)
|
|
stw r9, 0x0350(r1)
|
|
stw r8, 0x0358(r1)
|
|
lwz r9, 0x035c(r1)
|
|
lwz r8, 0x0354(r1)
|
|
stw r9, 0x0354(r1)
|
|
stw r8, 0x035c(r1)
|
|
lwz r9, 0x0350(r1)
|
|
|
|
major_0x043a0_0x110
|
|
lwz r8, 0x0348(r1)
|
|
stw r9, 0x0348(r1)
|
|
stw r8, 0x0350(r1)
|
|
lwz r9, 0x0354(r1)
|
|
lwz r8, 0x034c(r1)
|
|
stw r9, 0x034c(r1)
|
|
stw r8, 0x0354(r1)
|
|
lwz r9, 0x0348(r1)
|
|
|
|
major_0x043a0_0x130
|
|
lwz r8, 0x0340(r1)
|
|
stw r9, 0x0340(r1)
|
|
stw r9, 0x05b4(r1)
|
|
stw r8, 0x0348(r1)
|
|
lwz r9, 0x034c(r1)
|
|
lwz r8, 0x0344(r1)
|
|
stw r9, 0x0344(r1)
|
|
stw r8, 0x034c(r1)
|
|
b major_0x043a0_0x24
|
|
|
|
major_0x043a0_0x154
|
|
mfsprg r1, 0
|
|
lmw r14, 0x0038(r1)
|
|
lwz r1, -0x0004(r1)
|
|
li r8, 0x02
|
|
b major_0x02980_0x134
|
|
|
|
|
|
|
|
; wordfill
|
|
|
|
; Xrefs:
|
|
; setup
|
|
; FillIndigo
|
|
|
|
; > r8 = dest
|
|
; > r22 = len in bytes
|
|
; > r23 = fillword
|
|
|
|
wordfill ; OUTSIDE REFERER
|
|
subic. r22, r22, 4
|
|
stwx r23, r8, r22
|
|
bne+ wordfill
|
|
blr
|
|
|
|
|
|
|
|
; kcResetSystem
|
|
|
|
; Handle a 68k reset trap.
|
|
; Some messing around with 601 RTC vs later timebase
|
|
; registers.
|
|
; If Gary Davidian's first name and birthdate were in the
|
|
; 68k's A0/A1 (the 'skeleton key'), do something.
|
|
; Otherwise, farm it out to non_skeleton_reset_trap.
|
|
|
|
; Xrefs:
|
|
; "sup"
|
|
|
|
; > r3 = a0
|
|
; > r4 = a1
|
|
|
|
align kIntAlign
|
|
|
|
kcResetSystem ; OUTSIDE REFERER
|
|
; r6 = ewa
|
|
bl Save_r14_r31
|
|
; r8 = sprg0 (not used by me)
|
|
|
|
; Check for 601 (rtc vs timebase)
|
|
mfpvr r9
|
|
rlwinm. r9, r9, 0, 0, 14
|
|
|
|
; This xoris/cmplwi technique is very cool
|
|
xoris r8, r3, 'Ga'
|
|
|
|
beq- @is_601
|
|
mftb r9
|
|
b @endif_601
|
|
@is_601
|
|
dialect POWER
|
|
mfrtcl r9
|
|
dialect PowerPC
|
|
@endif_601
|
|
|
|
; Not sure why this would need to hit cr0?
|
|
andis. r9, r9, 0xffff
|
|
|
|
cmplwi r8, 'ry'
|
|
bne- non_skeleton_reset_trap
|
|
|
|
; r4 (i.e. A1) == 5 May 1956?
|
|
xoris r8, r4, 0x0505
|
|
cmplwi r8, 0x1956
|
|
bne- non_skeleton_reset_trap
|
|
|
|
andc r11, r11, r5
|
|
lwz r8, ContextBlock.r7(r6)
|
|
or r11, r11, r8
|
|
|
|
_log 'Skeleton key inserted at'
|
|
|
|
mr r8, r11
|
|
bl Printw
|
|
|
|
mr r8, r10
|
|
bl Printw
|
|
|
|
_log '^n'
|
|
|
|
b skeleton_key
|
|
|
|
|
|
|
|
; non_skeleton_reset_trap
|
|
|
|
; A 68k reset trap without Gary Davidian's magic numbers.
|
|
|
|
; Xrefs:
|
|
; kcResetSystem
|
|
|
|
non_skeleton_reset_trap
|
|
|
|
_log 'ResetSystem trap entered^n'
|
|
|
|
lwz r8, KDP.OldKDP(r1)
|
|
|
|
cmpwi r8, 0
|
|
beq+ ResetBuiltinKernel
|
|
|
|
_log 'Unplugging the replacement nanokernel^n'
|
|
|
|
lwz r8, KDP.OldKDP(r1)
|
|
mfsprg r1, 0
|
|
addi r9, r8, KDP.YellowVecBase
|
|
mtsprg 0, r8 ; old NK has only one EWA!
|
|
mtsprg 3, r9
|
|
|
|
lwz r9, EWA.r1(r1)
|
|
stw r9, EWA.r1(r8)
|
|
|
|
lwz r9, EWA.r6(r1)
|
|
stw r9, EWA.r6(r8)
|
|
|
|
stw r6, 0x065c(r8)
|
|
stw r7, 0x0660(r8) ; ??????????
|
|
|
|
lwz r9, -0x000c(r1)
|
|
stw r9, 0x0664(r8)
|
|
|
|
; r6 = ewa
|
|
bl Restore_r14_r31
|
|
subi r10, r10, 4
|
|
lwz r1, -0x0004(r1)
|
|
|
|
; sprg0 = for r1 and r6
|
|
; r1 = kdp
|
|
; r6 = register restore area
|
|
; r7 = flag to insert into XER
|
|
; r10 = new srr0 (return location)
|
|
; r11 = new srr1
|
|
; r12 = lr restore
|
|
; r13 = cr restore
|
|
b int_teardown
|
|
|
|
|
|
|
|
; kcPrioritizeInterrupts
|
|
|
|
; Xrefs:
|
|
; "sup"
|
|
; setup
|
|
; IntExternalYellow
|
|
|
|
; > r1 = kdp
|
|
|
|
kcPrioritizeInterrupts ; OUTSIDE REFERER
|
|
lwz r9, KDP.PA_InterruptHandler(r1)
|
|
mtlr r9
|
|
blr
|
|
|
|
|
|
|
|
; Move registers from CB to EWA, and Thud.
|
|
|
|
align kIntAlign
|
|
|
|
kcThud
|
|
|
|
stw r2, EWA.r2(r1)
|
|
stw r3, EWA.r3(r1)
|
|
stw r4, EWA.r4(r1)
|
|
stw r5, EWA.r5(r1)
|
|
|
|
lwz r8, ContextBlock.r7(r6)
|
|
lwz r9, ContextBlock.r8(r6)
|
|
stw r8, EWA.r7(r1)
|
|
stw r9, EWA.r8(r1)
|
|
|
|
lwz r8, ContextBlock.r9(r6)
|
|
lwz r9, ContextBlock.r10(r6)
|
|
stw r8, EWA.r9(r1)
|
|
stw r9, EWA.r10(r1)
|
|
|
|
lwz r8, ContextBlock.r11(r6)
|
|
lwz r9, ContextBlock.r12(r6)
|
|
stw r8, EWA.r11(r1)
|
|
stw r9, EWA.r12(r1)
|
|
|
|
lwz r8, ContextBlock.r13(r6)
|
|
stw r8, EWA.r13(r1)
|
|
|
|
stmw r14, EWA.r14(r1)
|
|
|
|
bl Local_Panic
|
|
|
|
|
|
|
|
; major_0x046d0
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
; kcThud
|
|
|
|
major_0x046d0 ; OUTSIDE REFERER
|
|
; r6 = saved at *(ewa + 0x18)
|
|
; sprg1 = saved at *(ewa + 4)
|
|
; rN (0,7,8,9,10,11,12,13, not r1) = saved at *(*(ewa - 0x14) + 0x104 + 8*N)
|
|
bl int_prepare
|
|
; r0 = 0
|
|
; r1 = *(ewa - 4)
|
|
; r6 = kdp
|
|
; r7 = *(ewa - 0x10) # flags?
|
|
; r8 = ewa
|
|
; r10 = srr0
|
|
; r11 = srr1
|
|
; r12 = sprg2
|
|
; r13 = cr
|
|
|
|
li r8, 0x02
|
|
b major_0x02980_0x134
|
|
|
|
|
|
|
|
; IntExternalOrange
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IntExternalOrange ; OUTSIDE REFERER
|
|
; r6 = saved at *(ewa + 0x18)
|
|
; sprg1 = saved at *(ewa + 4)
|
|
; rN (0,7,8,9,10,11,12,13, not r1) = saved at *(*(ewa - 0x14) + 0x104 + 8*N)
|
|
bl int_prepare
|
|
; r0 = 0
|
|
; r1 = *(ewa - 4)
|
|
; r6 = kdp
|
|
; r7 = *(ewa - 0x10) # flags?
|
|
; r8 = ewa
|
|
; r10 = srr0
|
|
; r11 = srr1
|
|
; r12 = sprg2
|
|
; r13 = cr
|
|
|
|
mtcrf 0x3f, r7
|
|
bnel+ cr2, Local_Panic
|
|
li r8, 0x00
|
|
b major_0x02980_0x134
|
|
|
|
|
|
|
|
; IntProgram
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IntProgram ; OUTSIDE REFERER
|
|
; r6 = saved at *(ewa + 0x18)
|
|
; sprg1 = saved at *(ewa + 4)
|
|
; rN (0,7,8,9,10,11,12,13, not r1) = saved at *(*(ewa - 0x14) + 0x104 + 8*N)
|
|
bl int_prepare
|
|
; r0 = 0
|
|
; r1 = *(ewa - 4)
|
|
; r6 = kdp
|
|
; r7 = *(ewa - 0x10) # flags?
|
|
; r8 = ewa
|
|
; r10 = srr0
|
|
; r11 = srr1
|
|
; r12 = sprg2
|
|
; r13 = cr
|
|
|
|
lwz r8, 0x0648(r1)
|
|
mtcr r11
|
|
xor r8, r10, r8
|
|
bne- cr3, IntProgram_0x144
|
|
cmplwi r8, 0x00
|
|
cmplwi cr1, r8, 0x20
|
|
beq- IntProgram_0x120
|
|
beq- cr1, IntProgram_0x120
|
|
cmplwi r8, 0x0c
|
|
cmplwi cr1, r8, 0x40
|
|
beq- IntProgram_0x120
|
|
blt- cr1, IntProgram_0x110
|
|
bne- cr6, IntProgram_0x58
|
|
stw r14, 0x0174(r6)
|
|
mfsprg r14, 3
|
|
addi r8, r1, -0x750
|
|
mfmsr r9
|
|
mtsprg 3, r8
|
|
ori r8, r9, 0x10
|
|
mtmsr r8
|
|
isync
|
|
|
|
IntProgram_0x58
|
|
lwz r8, 0x0000(r10)
|
|
bne- cr6, IntProgram_0x74
|
|
isync
|
|
mtmsr r9
|
|
isync
|
|
mtsprg 3, r14
|
|
lwz r14, 0x0174(r6)
|
|
|
|
IntProgram_0x74
|
|
mtcr r7
|
|
xoris r8, r8, 0xfff
|
|
cmplwi r8, 0x10
|
|
cmplwi cr1, r8, 0x00
|
|
bge- IntProgram_0x150
|
|
cmplwi cr7, r8, 0x08
|
|
cmplwi r8, 0x03
|
|
slwi r8, r8, 2
|
|
beq- cr1, IntProgram_0xac
|
|
beq- cr7, IntProgram_0xd0
|
|
beq- IntProgram_0xac
|
|
blt- cr4, IntProgram_0x150
|
|
blt- cr2, IntProgram_0xac
|
|
ble- cr2, IntProgram_0x150
|
|
|
|
IntProgram_0xac
|
|
add r8, r8, r1
|
|
lwz r9, KDP.NanoKernelInfo + NKNanoKernelInfo.NanoKernelCallCounts(r8)
|
|
addi r9, r9, 0x01
|
|
stw r9, KDP.NanoKernelInfo + NKNanoKernelInfo.NanoKernelCallCounts(r8)
|
|
|
|
IntProgram_0xbc
|
|
lwz r8, KDP.NanoKernelCallTable(r8)
|
|
mtlr r8
|
|
addi r10, r10, 0x04
|
|
rlwimi r7, r7, 27, 26, 26
|
|
blr
|
|
|
|
IntProgram_0xd0
|
|
lwz r9, 0x0104(r6)
|
|
add r8, r8, r1
|
|
cmpwi r9, -0x01
|
|
lwz r9, KDP.NanoKernelInfo + NKNanoKernelInfo.NanoKernelCallCounts(r8)
|
|
addi r9, r9, 0x01
|
|
stw r9, KDP.NanoKernelInfo + NKNanoKernelInfo.NanoKernelCallCounts(r8)
|
|
bne+ IntProgram_0xbc
|
|
addi r10, r10, 0x04
|
|
rlwimi r7, r7, 27, 26, 26
|
|
mfsprg r8, 0
|
|
rlwimi r13, r7, 8, 2, 2
|
|
lwz r9, -0x0008(r8)
|
|
xoris r13, r13, 0x2000
|
|
lwz r8, 0x00ec(r9)
|
|
stw r8, 0x0104(r6)
|
|
b skeleton_key
|
|
|
|
IntProgram_0x110
|
|
mtcr r7
|
|
blt- cr4, IntProgram_0x150
|
|
blt- cr2, IntProgram_0x120
|
|
ble- cr2, IntProgram_0x150
|
|
|
|
IntProgram_0x120
|
|
add r8, r8, r1
|
|
lwz r9, KDP.NanoKernelInfo + NKNanoKernelInfo.NanoKernelCallCounts(r8)
|
|
lwz r10, KDP.NanoKernelCallTable(r8)
|
|
addi r9, r9, 0x01
|
|
stw r9, KDP.NanoKernelInfo + NKNanoKernelInfo.NanoKernelCallCounts(r8)
|
|
mtlr r10
|
|
mr r10, r12
|
|
rlwimi r7, r7, 27, 26, 26
|
|
blr
|
|
|
|
IntProgram_0x144
|
|
blt+ cr3, FDP_1214
|
|
bgt- cr3, FDP_1214
|
|
bso- cr2, IntProgram_0x160
|
|
|
|
IntProgram_0x150
|
|
rlwinm r8, r11, 17, 28, 29
|
|
addi r8, r8, 0x4b3
|
|
rlwnm r8, r8, r8, 0x1c, 0x1f
|
|
b major_0x02980_0x134
|
|
|
|
IntProgram_0x160
|
|
li r8, 0x03
|
|
bso+ cr3, major_0x02980_0x134
|
|
addi r10, r10, 0x04
|
|
rlwimi r7, r7, 27, 26, 26
|
|
b major_0x02980_0x134
|
|
|
|
|
|
|
|
; IntExternalYellow
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IntExternalYellow ; OUTSIDE REFERER
|
|
|
|
bl int_prepare
|
|
|
|
; RET r0 = 0
|
|
; r1 = KernelData
|
|
; r6 = ECB
|
|
; r7 = AllCpuFeatures
|
|
; r8 = EWA (pretend KDP)
|
|
; r10 = SRR0
|
|
; r11 = SRR1
|
|
; r12 = LR from SPRG2
|
|
; r13 = CR
|
|
|
|
|
|
; Sanity check
|
|
|
|
rlwinm. r9, r11, 0, MSR_EEbit, MSR_EEbit
|
|
beq+ MaskedInterruptTaken
|
|
|
|
|
|
; How many CPUs?
|
|
|
|
lwz r9, EWA.CPUBase + CPU.CgrpList + LLL.Freeform(r8)
|
|
lwz r9, CoherenceGroup.CpuCount(r9)
|
|
cmpwi r9, 2
|
|
|
|
|
|
; Uniprocessor machine: go straight to PIH
|
|
|
|
blt+ kcPrioritizeInterrupts
|
|
|
|
|
|
; Multiprocessor machine: signal another CPU?
|
|
|
|
bl Save_r14_r31
|
|
|
|
li r9, 9
|
|
stw r9, -0x0238(r8)
|
|
|
|
li r8, 1
|
|
bl SIGP
|
|
|
|
bl Restore_r14_r31
|
|
|
|
; These do not match any public Apple error codes?
|
|
cmpwi r8, -0x725e
|
|
cmpwi cr1, r8, -0x725d
|
|
cmpwi cr2, r8, -0x725f
|
|
|
|
beq+ kcPrioritizeInterrupts
|
|
beq+ cr1, skeleton_key
|
|
bne+ cr2, kcPrioritizeInterrupts
|
|
|
|
mfsprg r9, 0
|
|
li r8, 0x01
|
|
stb r8, -0x0118(r9)
|
|
b skeleton_key
|
|
|
|
|
|
|
|
; SIGP
|
|
|
|
; Really need to figure out what this does...
|
|
|
|
; Xrefs:
|
|
; IntExternalYellow
|
|
; MPCall_43
|
|
; KCStartCPU
|
|
; KCCpuPlugin
|
|
; major_0x14af8
|
|
; MPCall_103
|
|
|
|
; > r7 = flags
|
|
; > r8 = usually 2?
|
|
|
|
align 5
|
|
|
|
SIGP ; OUTSIDE REFERER
|
|
mfsprg r23, 0
|
|
mtcr r7
|
|
lwz r16, -0x001c(r23)
|
|
slwi r20, r3, 2
|
|
stw r16, -0x02ac(r23)
|
|
blt- cr4, major_0x04a20_0x18
|
|
cmpwi cr2, r8, 0x00
|
|
lwz r18, -0x0238(r23)
|
|
beq- cr2, SIGP_0x28
|
|
slwi r20, r18, 2
|
|
|
|
SIGP_0x28
|
|
lwz r22, -0x0338(r23)
|
|
li r8, -0x7266
|
|
lwz r17, 0x0038(r22)
|
|
lwz r16, 0x0044(r22)
|
|
mr. r17, r17
|
|
beqlr-
|
|
slwi r16, r16, 2
|
|
li r8, -0x7267
|
|
cmplw r20, r16
|
|
bgelr-
|
|
stw r10, -0x02d0(r23)
|
|
stw r11, -0x02cc(r23)
|
|
stw r12, -0x02c8(r23)
|
|
stw r13, -0x02c4(r23)
|
|
mfxer r16
|
|
mfctr r17
|
|
stw r16, -0x02c0(r23)
|
|
mflr r16
|
|
stw r17, -0x02bc(r23)
|
|
stw r16, -0x02b8(r23)
|
|
stw r6, -0x02b4(r23)
|
|
stw r7, -0x02b0(r23)
|
|
lwz r9, -0x001c(r23)
|
|
lwz r8, 0x004c(r22)
|
|
cmpw r9, r8
|
|
beq- SIGP_0x94
|
|
bl SetAddrSpcRegisters
|
|
|
|
SIGP_0x94
|
|
lwz r16, 0x0004(r23)
|
|
lwz r17, 0x0018(r23)
|
|
stw r16, 0x010c(r6)
|
|
stw r2, 0x0114(r6)
|
|
stw r3, 0x011c(r6)
|
|
stw r4, 0x0124(r6)
|
|
stw r5, 0x012c(r6)
|
|
stw r17, 0x0134(r6)
|
|
lwz r17, 0x0648(r1)
|
|
lhz r16, -0x0116(r23)
|
|
lwz r19, -0x0964(r1)
|
|
slwi r16, r16, 2
|
|
rlwinm r19, r19, 0, 18, 15
|
|
lwz r8, 0x003c(r22)
|
|
lwz r9, 0x0040(r22)
|
|
lwzx r20, r8, r20
|
|
lwz r18, 0x0000(r20)
|
|
mtlr r17
|
|
mtspr srr0, r18
|
|
mtspr srr1, r19
|
|
lwzx r1, r9, r16
|
|
lwz r2, 0x0004(r20)
|
|
srwi r3, r16, 2
|
|
ori r7, r7, 0x8000
|
|
mr r16, r6
|
|
stw r7, -0x0010(r23)
|
|
addi r6, r23, -0x318
|
|
stw r6, -0x0014(r23)
|
|
beq- cr2, SIGP_0x128
|
|
lwz r4, -0x0234(r23)
|
|
lwz r5, -0x0230(r23)
|
|
lwz r6, -0x022c(r23)
|
|
lwz r7, -0x0228(r23)
|
|
lwz r8, -0x0224(r23)
|
|
lwz r9, -0x0220(r23)
|
|
lwz r10, -0x021c(r23)
|
|
rfi
|
|
|
|
SIGP_0x128
|
|
lwz r6, 0x0134(r16)
|
|
lwz r7, 0x013c(r16)
|
|
lwz r8, 0x0144(r16)
|
|
lwz r9, 0x014c(r16)
|
|
lwz r10, 0x0154(r16)
|
|
rfi
|
|
|
|
|
|
|
|
; major_0x04a20
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
; major_0x02980
|
|
; major_0x03be0
|
|
; SIGP
|
|
|
|
major_0x04a20 ; OUTSIDE REFERER
|
|
mfsprg r23, 0
|
|
lwz r6, -0x0014(r23)
|
|
lwz r7, -0x0010(r23)
|
|
lwz r1, -0x0004(r23)
|
|
mfspr r10, srr0
|
|
mfspr r11, srr1
|
|
|
|
major_0x04a20_0x18 ; OUTSIDE REFERER
|
|
mfsprg r23, 0
|
|
lwz r7, -0x02b0(r23)
|
|
andis. r8, r11, 0x02
|
|
stw r7, -0x0010(r23)
|
|
bne- major_0x04a20_0x30
|
|
li r3, -0x7265
|
|
|
|
major_0x04a20_0x30
|
|
lwz r8, -0x02ac(r23)
|
|
lwz r9, -0x001c(r23)
|
|
cmpw r9, r8
|
|
beq- major_0x04a20_0x44
|
|
bl SetAddrSpcRegisters
|
|
|
|
major_0x04a20_0x44
|
|
lwz r10, -0x02d0(r23)
|
|
lwz r11, -0x02cc(r23)
|
|
lwz r12, -0x02c8(r23)
|
|
lwz r13, -0x02c4(r23)
|
|
lwz r8, -0x02c0(r23)
|
|
lwz r9, -0x02bc(r23)
|
|
mtxer r8
|
|
lwz r8, -0x02b8(r23)
|
|
lwz r6, -0x02b4(r23)
|
|
mtctr r9
|
|
stw r6, -0x0014(r23)
|
|
mtlr r8
|
|
mr r8, r3
|
|
mr r9, r4
|
|
lwz r16, 0x010c(r6)
|
|
lwz r2, 0x0114(r6)
|
|
lwz r3, 0x011c(r6)
|
|
lwz r4, 0x0124(r6)
|
|
lwz r5, 0x012c(r6)
|
|
lwz r17, 0x0134(r6)
|
|
stw r16, 0x0004(r23)
|
|
stw r17, 0x0018(r23)
|
|
blr
|
|
|
|
|
|
|
|
; IntSyscall
|
|
|
|
; Not fully sure about this one
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
IntSyscall ; OUTSIDE REFERER
|
|
|
|
; Only r1 and LR have been saved, so these compares clobber cr0
|
|
|
|
cmpwi r0, -3
|
|
bne- @not_minus_3
|
|
|
|
; sc -3:
|
|
|
|
; unset MSR_PR bit
|
|
mfspr r1, srr1
|
|
rlwinm. r0, r1, 26, 26, 27 ; nonsense code?
|
|
rlwinm r1, r1, 0, 18, 16
|
|
blt- @dont_unset_pr ; r0 should never have bit 0 set
|
|
mtspr srr1, r1
|
|
@dont_unset_pr
|
|
|
|
; restore LR from SPRG2, r1 from SPRG1
|
|
mfsprg r1, 2
|
|
mtlr r1
|
|
mfsprg r1, 1
|
|
|
|
rfi
|
|
|
|
@not_minus_3
|
|
cmpwi r0, -1
|
|
mfsprg r1, 0
|
|
bne- @not_minus_1
|
|
|
|
; sc -1: mess around with flags
|
|
|
|
lwz r0, -0x0010(r1)
|
|
mfsprg r1, 2
|
|
rlwinm. r0, r0, 0, 10, 10
|
|
mtlr r1
|
|
mfsprg r1, 1
|
|
rfi
|
|
|
|
@not_minus_1
|
|
cmpwi r0, -2
|
|
bne- @not_any_special
|
|
|
|
; sc -2: more flag nonsense?
|
|
|
|
lwz r0, -0x0010(r1)
|
|
lwz r1, -0x0008(r1)
|
|
rlwinm. r0, r0, 0, 10, 10
|
|
lwz r0, 0x00ec(r1)
|
|
mfsprg r1, 2
|
|
mtlr r1
|
|
mfsprg r1, 1
|
|
rfi
|
|
|
|
@not_any_special
|
|
|
|
; Positive numbered syscalls are a fast path to MPDispatch (twi 31, r31, 8)
|
|
|
|
bl int_prepare ; Save the usual suspects and get comfy
|
|
|
|
; Reg Contains Original saved in
|
|
; ---------------------------------------------
|
|
; r0 0 ContextBlock
|
|
; r1 KDP EWA
|
|
; r2 (itself)
|
|
; r3 (itself)
|
|
; r4 (itself)
|
|
; r5 (itself)
|
|
; r6 ContextBlock EWA
|
|
; r7 AllCpuFeatures ContextBlock
|
|
; r8 EWA ContextBlock
|
|
; r9 (itself) ContextBlock
|
|
; r10 SRR0 ContextBlock
|
|
; r11 SRR1 ContextBlock
|
|
; r12 LR ContextBlock
|
|
; r13 CR ContextBlock
|
|
|
|
lwz r9, KDP.NanoKernelInfo + NKNanoKernelInfo.NanoKernelCallCounts + 32(r1)
|
|
addi r9, r9, 1
|
|
stw r9, KDP.NanoKernelInfo + NKNanoKernelInfo.NanoKernelCallCounts + 8*4(r1)
|
|
|
|
; Not sure what to make of these
|
|
_bset r11, r11, 14
|
|
rlwimi r7, r7, 27, 26, 26
|
|
|
|
b kcMPDispatch
|
|
|
|
|
|
|
|
; IntTrace
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IntTrace ; OUTSIDE REFERER
|
|
; r6 = saved at *(ewa + 0x18)
|
|
; sprg1 = saved at *(ewa + 4)
|
|
; rN (0,7,8,9,10,11,12,13, not r1) = saved at *(*(ewa - 0x14) + 0x104 + 8*N)
|
|
bl int_prepare
|
|
; r0 = 0
|
|
; r1 = *(ewa - 4)
|
|
; r6 = kdp
|
|
; r7 = *(ewa - 0x10) # flags?
|
|
; r8 = ewa
|
|
; r10 = srr0
|
|
; r11 = srr1
|
|
; r12 = sprg2
|
|
; r13 = cr
|
|
|
|
li r8, 0x08
|
|
b major_0x02980_0x134
|
|
|
|
|
|
|
|
; IgnoreSoftwareInt
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
IgnoreSoftwareInt ; OUTSIDE REFERER
|
|
mfspr r1, srr0
|
|
addi r1, r1, 0x04
|
|
mtspr srr0, r1
|
|
mfsprg r1, 2
|
|
mtlr r1
|
|
mfsprg r1, 1
|
|
rfi
|
|
dcb.b 32, 0
|
|
|
|
|
|
|
|
|
|
; HandlePerfMonitorInt
|
|
|
|
; Xrefs:
|
|
; "vec"
|
|
|
|
align kIntAlign
|
|
|
|
HandlePerfMonitorInt ; OUTSIDE REFERER
|
|
mfspr r1, srr1
|
|
oris r1, r1, 0x200
|
|
mtspr srr1, r1
|
|
mfsprg r1, 2
|
|
mtlr r1
|
|
mfsprg r1, 1
|
|
rfi
|
|
dcb.b 32, 0
|
|
|