803 lines
12 KiB
ArmAsm
803 lines
12 KiB
ArmAsm
; prints
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; _log null-terminated string with a few special escapes.
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; Not done figuring this out, with the serial and stuff.
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; Xrefs:
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; replace_old_kernel
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; new_world
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; setup
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; undo_failed_kernel_replacement
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; AcquireLock
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; spinlock_what
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; major_0x02ccc
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; IntMachineCheckMemRetry
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; IntMachineCheck
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; major_0x03ab0
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; IntThermalEvent
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; kcResetSystem
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; non_skeleton_reset_trap
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; PagingFunc1
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; KCRegisterCpuPlugin
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; KCStartCPU
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; NKxprintf
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; MPCall_108
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; NKSetClockStep
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; NKSetClockDriftCorrection
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; convert_pmdts_to_areas
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; NKCreateAddressSpaceSub
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; createarea
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; major_0x10320
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; MPCall_95
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; ExtendPool
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; major_0x12b94
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; InitTMRQs
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; StartTimeslicing
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; InitRDYQs
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; major_0x14bcc
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; panic
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; major_0x18040
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; print_xpt_info
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; print_sprgs
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; print_sprs
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; print_segment_registers
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; print_gprs
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; print_memory
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; print_memory_logical
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prints ; OUTSIDE REFERER
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mfsprg r1, 0
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stmw r24, -0x0108(r1)
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mflr r24
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mfcr r25
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stw r24, -0x0110(r1)
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stw r25, -0x010c(r1)
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lwz r1, -0x0004(r1)
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lwz r28, -0x0900(r1)
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lwz r29, 0x0edc(r1)
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_Lock PSA.DbugLock, scratch1=r30, scratch2=r31
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cmpwi cr7, r28, 0x00
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andi. r29, r29, 0x02
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beq- cr7, prints_skip_serial
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crmove 30, 2
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beq- PrintS_skip_serial
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mfmsr r31
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bl serial_io
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bl serial_flush
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prints_skip_serial
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addi r8, r8, -0x01
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prints_next_char
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bl serial_busywait
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lbzu r29, 0x0001(r8)
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cmpwi r29, 0x00
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beq- print_common
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cmpwi r29, 10
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beq- PrintS_newline
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cmpwi r29, 13
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beq- PrintS_newline
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cmpwi r29, '\\'
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beq- PrintS_escape_code
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cmpwi r29, '^'
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bne- PrintS_normal_char
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prints_escape_code
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lbzu r29, 0x0001(r8)
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cmpwi r29, 'n'
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beq- PrintS_newline
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cmpwi r29, 'r'
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beq- PrintS_newline
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cmpwi r29, 'b'
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bne- PrintS_literal_backslash_or_caret
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li r29, 0x07
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b PrintS_normal_char
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prints_literal_backslash_or_caret
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lbzu r29, -0x0001(r8)
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addi r8, r8, 0x01
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prints_normal_char
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mr r24, r29
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; r1 = kdp
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bl ScreenConsole_putchar
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beq- cr7, prints_0xe4
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ori r30, r31, 0x10
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mtmsr r30
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isync
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stb r24, 0x0006(r28)
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eieio
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mtmsr r31
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isync
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prints_0xe4
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b PrintS_next_char
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prints_newline
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li r29, 0x0d
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; r1 = kdp
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bl ScreenConsole_putchar
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li r29, 0x0a
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; r1 = kdp
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bl ScreenConsole_putchar
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; r1 = kdp
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bl ScreenConsole_redraw
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beq- cr7, prints_0x13c
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ori r30, r31, 0x10
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mtmsr r30
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isync
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li r29, 0x0d
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stb r29, 0x0006(r28)
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eieio
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prints_0x118
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lbz r29, 0x0002(r28)
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eieio
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andi. r29, r29, 0x04
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beq+ PrintS_0x118
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li r29, 0x0a
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stb r29, 0x0006(r28)
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eieio
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mtmsr r31
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isync
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prints_0x13c
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b PrintS_next_char
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; print_common
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; Xrefs:
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; PrintS
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; Printd
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; print_digity_common
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; getchar
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; Printc
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print_common ; OUTSIDE REFERER
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beq- cr7, print_common_0x8c
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mtmsr r31
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isync
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lwz r29, -0x0438(r1)
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srwi r29, r29, 8
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mfspr r30, dec
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subf r29, r29, r30
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ori r30, r31, 0x10
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mtmsr r30
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isync
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print_common_0x28
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mfspr r30, dec
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subf. r30, r29, r30
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ble- print_common_0x50
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li r30, 0x01
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stb r30, 0x0002(r28)
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eieio
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lbz r30, 0x0002(r28)
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eieio
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andi. r30, r30, 0x01
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beq+ print_common_0x28
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print_common_0x50
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sync
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mtmsr r31
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isync
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mfspr r30, pvr
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rlwinm. r30, r30, 0, 0, 14
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li r31, 0x00
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beq- print_common_0x78
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mtspr dbat3u, r31
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mtspr dbat3l, r31
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b print_common_0x80
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print_common_0x78
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mtspr ibat3l, r31
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mtspr ibat3u, r31
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print_common_0x80
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isync
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mtspr srr0, r26
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mtspr srr1, r27
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print_common_0x8c
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sync
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lwz r30, -0x0af0(r1)
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cmpwi cr1, r30, 0x00
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li r30, 0x00
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bne+ cr1, print_common_0xa8
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mflr r30
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bl panic
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print_common_0xa8
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stw r30, -0x0af0(r1)
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; print_return
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; Restores registers from EWA and returns.
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; Xrefs:
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; print_common
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; getchar
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print_return ; OUTSIDE REFERER
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mfsprg r1, 0
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lwz r24, -0x0110(r1)
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lwz r25, -0x010c(r1)
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mtlr r24
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mtcr r25
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lmw r24, -0x0108(r1)
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lwz r1, -0x0004(r1)
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blr
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; printd
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; _log decimal
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; Xrefs:
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; setup
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; NKPrintDecimal
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; MPCall_108
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; NKSetClockStep
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; NKSetClockDriftCorrection
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; ExtendPool
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; major_0x12b94
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printd ; OUTSIDE REFERER
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mfsprg r1, 0
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stmw r24, -0x0108(r1)
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mflr r24
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mfcr r25
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stw r24, -0x0110(r1)
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stw r25, -0x010c(r1)
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lwz r1, -0x0004(r1)
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lwz r28, -0x0900(r1)
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lwz r29, 0x0edc(r1)
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_Lock PSA.DbugLock, scratch1=r30, scratch2=r31
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cmpwi cr7, r28, 0x00
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andi. r29, r29, 0x02
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beq- cr7, printd_0x58
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crmove 30, 2
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beq- Printd_0x58
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bl serial_io
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bl serial_flush
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printd_0x58
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cmpwi r8, 0x00
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li r25, 0x2d
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blt- Printd_0x9c
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printd_0x64
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mr. r24, r8
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li r25, 0x30
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beq- Printd_0x9c
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lis r24, 0x3b9a
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ori r24, r24, 0xca00
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printd_0x78
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divw. r25, r8, r24
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bne- Printd_0x8c
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li r25, 0x0a
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divw r24, r24, r25
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b Printd_0x78
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printd_0x8c
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divw r29, r8, r24
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addi r25, r29, 0x30
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mullw r29, r29, r24
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subf r8, r29, r8
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printd_0x9c
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bl serial_busywait
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mr r29, r25
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; r1 = kdp
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bl ScreenConsole_putchar
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beq- cr7, printd_0xc8
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ori r30, r31, 0x10
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mtmsr r30
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isync
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stb r25, 0x0006(r28)
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eieio
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mtmsr r31
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isync
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printd_0xc8
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cmpwi r8, 0x00
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bge- Printd_0xd8
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neg r8, r8
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b Printd_0x64
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printd_0xd8
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li r25, 0x0a
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divw. r24, r24, r25
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bne+ Printd_0x8c
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li r29, 0x20
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; r1 = kdp
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bl ScreenConsole_putchar
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beq- cr7, printd_0x120
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ori r30, r31, 0x10
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mtmsr r30
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isync
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printd_0xfc
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lbz r30, 0x0002(r28)
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eieio
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andi. r30, r30, 0x04
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beq+ Printd_0xfc
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li r29, 0x20
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stb r29, 0x0006(r28)
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eieio
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mtmsr r31
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isync
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printd_0x120
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b print_common
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; printw
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; _log word (hex) then a space
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; Xrefs:
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; replace_old_kernel
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; setup
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; AcquireLock
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; spinlock_what
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; major_0x02ccc
|
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; IntMachineCheckMemRetry
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; IntMachineCheck
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; major_0x03ab0
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; kcResetSystem
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; PagingFunc1
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; NKPrintHex
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; NKCreateAddressSpaceSub
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; createarea
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; ExtendPool
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; major_0x12b94
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; InitRDYQs
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; major_0x14bcc
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; panic
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; print_xpt_info
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; print_sprgs
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; print_sprs
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; print_segment_registers
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; print_gprs
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; print_memory
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; print_memory_logical
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printw ; OUTSIDE REFERER
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mfsprg r1, 0
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stmw r24, -0x0108(r1)
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mflr r24
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mfcr r25
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stw r24, -0x0110(r1)
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stw r25, -0x010c(r1)
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li r24, 0x08
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crset cr6_eq
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b print_digity_common
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; printh
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; _log halfword (hex) then a space
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; Xrefs:
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; replace_old_kernel
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; new_world
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; NKPrintHex
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; major_0x14bcc
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; panic
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printh ; OUTSIDE REFERER
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mfsprg r1, 0
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stmw r24, -0x0108(r1)
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mflr r24
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mfcr r25
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stw r24, -0x0110(r1)
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stw r25, -0x010c(r1)
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li r24, 0x04
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rotlwi r8, r8, 0x10
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crset cr6_eq
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b print_digity_common
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; printb
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; _log byte (hex) then a space
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; Xrefs:
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; setup
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; NKPrintHex
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printb ; OUTSIDE REFERER
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mfsprg r1, 0
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stmw r24, -0x0108(r1)
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mflr r24
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mfcr r25
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stw r24, -0x0110(r1)
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stw r25, -0x010c(r1)
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li r24, 0x02
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rotlwi r8, r8, 0x18
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crset cr6_eq
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b print_digity_common
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; print_unknown
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; Xrefs:
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; print_memory_logical
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print_unknown ; OUTSIDE REFERER
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mfsprg r1, 0
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stmw r24, -0x0108(r1)
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mflr r24
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mfcr r25
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stw r24, -0x0110(r1)
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stw r25, -0x010c(r1)
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li r24, 0x02
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rotlwi r8, r8, 0x18
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crclr cr6_eq
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b print_digity_common
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; print_digity_common
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; Xrefs:
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; Printw
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; Printh
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; Printb
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; print_unknown
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print_digity_common ; OUTSIDE REFERER
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lwz r1, -0x0004(r1)
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lwz r28, -0x0900(r1)
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lwz r29, 0x0edc(r1)
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|
|
|
_Lock PSA.DbugLock, scratch1=r30, scratch2=r31
|
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|
|
cmpwi cr7, r28, 0x00
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|
andi. r29, r29, 0x02
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|
beq- cr7, print_digity_common_0x40
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crmove 30, 2
|
|
beq- print_digity_common_0x40
|
|
bl serial_io
|
|
bl serial_flush
|
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|
|
print_digity_common_0x40
|
|
bl serial_busywait
|
|
li r25, 0x30
|
|
rlwimi r25, r8, 4, 28, 31
|
|
rotlwi r8, r8, 0x04
|
|
cmpwi r25, 0x39
|
|
ble- print_digity_common_0x5c
|
|
addi r25, r25, 0x27
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|
|
print_digity_common_0x5c
|
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mr r29, r25
|
|
|
|
; r1 = kdp
|
|
bl ScreenConsole_putchar
|
|
beq- cr7, print_digity_common_0x84
|
|
ori r30, r31, 0x10
|
|
mtmsr r30
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|
isync
|
|
stb r25, 0x0006(r28)
|
|
eieio
|
|
mtmsr r31
|
|
isync
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|
|
|
print_digity_common_0x84
|
|
addi r24, r24, -0x01
|
|
mr. r24, r24
|
|
bne+ print_digity_common_0x40
|
|
bne- cr6, print_digity_common_0xd0
|
|
li r29, 0x20
|
|
|
|
; r1 = kdp
|
|
bl ScreenConsole_putchar
|
|
beq- cr7, print_digity_common_0xd0
|
|
ori r30, r31, 0x10
|
|
mtmsr r30
|
|
isync
|
|
|
|
print_digity_common_0xac
|
|
lbz r30, 0x0002(r28)
|
|
eieio
|
|
andi. r30, r30, 0x04
|
|
beq+ print_digity_common_0xac
|
|
li r29, 0x20
|
|
stb r29, 0x0006(r28)
|
|
eieio
|
|
mtmsr r31
|
|
isync
|
|
|
|
print_digity_common_0xd0
|
|
b print_common
|
|
|
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|
|
|
|
; getchar
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|
|
|
; Xrefs:
|
|
; panic
|
|
; print_memory
|
|
; print_memory_logical
|
|
|
|
getchar ; OUTSIDE REFERER
|
|
mfsprg r1, 0
|
|
stmw r24, -0x0108(r1)
|
|
mflr r24
|
|
mfcr r25
|
|
stw r24, -0x0110(r1)
|
|
stw r25, -0x010c(r1)
|
|
|
|
lwz r1, EWA.PA_KDP(r1)
|
|
lwz r28, -0x0900(r1)
|
|
cmpwi cr7, r28, 0x00
|
|
li r8, -0x01
|
|
beq+ cr7, print_return
|
|
|
|
_Lock PSA.DbugLock, scratch1=r30, scratch2=r31
|
|
|
|
bl serial_io
|
|
ori r30, r31, 0x10
|
|
mtmsr r30
|
|
isync
|
|
lbz r30, 0x0002(r28)
|
|
eieio
|
|
andi. r30, r30, 0x01
|
|
beq+ print_common
|
|
lbz r8, 0x0006(r28)
|
|
b print_common
|
|
|
|
|
|
|
|
; printc
|
|
|
|
; _log char
|
|
|
|
; Xrefs:
|
|
; spinlock_what
|
|
; major_0x12b94
|
|
; panic
|
|
; print_memory
|
|
; print_memory_logical
|
|
|
|
printc ; OUTSIDE REFERER
|
|
mfsprg r1, 0
|
|
stmw r24, -0x0108(r1)
|
|
mflr r24
|
|
mfcr r25
|
|
stw r24, -0x0110(r1)
|
|
stw r25, -0x010c(r1)
|
|
lwz r1, -0x0004(r1)
|
|
lwz r28, -0x0900(r1)
|
|
lwz r29, 0x0edc(r1)
|
|
|
|
_Lock PSA.DbugLock, scratch1=r30, scratch2=r31
|
|
|
|
cmpwi cr7, r28, 0x00
|
|
andi. r29, r29, 0x02
|
|
beq- cr7, printc_0x58
|
|
crmove 30, 2
|
|
beq- Printc_0x58
|
|
bl serial_io
|
|
bl serial_flush
|
|
|
|
printc_0x58
|
|
mr r29, r8
|
|
|
|
; r1 = kdp
|
|
bl ScreenConsole_putchar
|
|
beq- cr7, printc_0x90
|
|
ori r30, r31, 0x10
|
|
mtmsr r30
|
|
isync
|
|
|
|
printc_0x70
|
|
lbz r30, 0x0002(r28)
|
|
eieio
|
|
andi. r30, r30, 0x04
|
|
beq+ Printc_0x70
|
|
stb r8, 0x0006(r28)
|
|
eieio
|
|
mtmsr r31
|
|
isync
|
|
|
|
printc_0x90
|
|
b print_common
|
|
|
|
|
|
|
|
; serial_flush
|
|
|
|
; This and the following func are a bit speculative, but
|
|
; whatever.
|
|
|
|
; Whoa. Turns on data but not code paging. Crikey.
|
|
|
|
; Xrefs:
|
|
; PrintS
|
|
; Printd
|
|
; print_digity_common
|
|
; Printc
|
|
|
|
serial_flush ; OUTSIDE REFERER
|
|
ori r30, r31, MSR_DR
|
|
mtmsr r30
|
|
isync
|
|
lbz r29, 0x0002(r28)
|
|
li r29, 0x09
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
li r29, 0x80
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
lbz r29, 0x0002(r28)
|
|
li r29, 0x04
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
li r29, 0x48
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
lbz r29, 0x0002(r28)
|
|
li r29, 0x03
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
li r29, 0xc0
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
lbz r29, 0x0002(r28)
|
|
li r29, 0x05
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
li r29, 0x60
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
lbz r29, 0x0002(r28)
|
|
li r29, 0x09
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
li r29, 0x00
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
lbz r29, 0x0002(r28)
|
|
li r29, 0x0a
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
li r29, 0x00
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
lbz r29, 0x0002(r28)
|
|
li r29, 0x0b
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
li r29, 0x50
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
lbz r29, 0x0002(r28)
|
|
li r29, 0x0c
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
li r29, 0x00
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
lbz r29, 0x0002(r28)
|
|
li r29, 0x0d
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
li r29, 0x00
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
lbz r29, 0x0002(r28)
|
|
li r29, 0x0e
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
li r29, 0x01
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
lbz r29, 0x0002(r28)
|
|
li r29, 0x03
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
li r29, 0xc1
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
lbz r29, 0x0002(r28)
|
|
li r29, 0x05
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
li r29, 0xea
|
|
stb r29, 0x0002(r28)
|
|
eieio
|
|
mtmsr r31
|
|
isync
|
|
blr
|
|
|
|
|
|
|
|
; serial_io
|
|
|
|
; See disclaimer above.
|
|
|
|
; Xrefs:
|
|
; PrintS
|
|
; Printd
|
|
; print_digity_common
|
|
; getchar
|
|
; Printc
|
|
|
|
serial_io ; OUTSIDE REFERER
|
|
mfspr r26, srr0
|
|
mfspr r27, srr1
|
|
isync
|
|
mfspr r30, pvr
|
|
rlwinm. r30, r30, 0, 0, 14
|
|
rlwinm r29, r28, 0, 0, 14
|
|
beq- serial_io_0x38
|
|
li r30, 0x03
|
|
or r30, r30, r29
|
|
li r31, 0x3a
|
|
or r31, r31, r29
|
|
mtspr dbat3l, r31
|
|
mtspr dbat3u, r30
|
|
b serial_io_0x50
|
|
|
|
serial_io_0x38
|
|
li r30, 0x32
|
|
or r30, r30, r29
|
|
li r31, 0x40
|
|
or r31, r31, r29
|
|
mtspr ibat3u, r30
|
|
mtspr ibat3l, r31
|
|
|
|
serial_io_0x50
|
|
isync
|
|
mfmsr r31
|
|
blr
|
|
|
|
|
|
|
|
; serial_busywait
|
|
|
|
; See disclaimer above.
|
|
|
|
; Xrefs:
|
|
; PrintS
|
|
; Printd
|
|
; print_digity_common
|
|
|
|
serial_busywait ; OUTSIDE
|
|
beqlr- cr7
|
|
ori r30, r31, 0x10
|
|
mtmsr r30
|
|
isync
|
|
|
|
serial_busywait_0x10
|
|
lbz r30, 0x0002(r28)
|
|
eieio
|
|
andi. r30, r30, 0x04
|
|
beq+ serial_busywait_0x10
|
|
mtmsr r31
|
|
isync
|
|
blr
|