mirror of
https://github.com/wiiu-env/homebrew_launcher.git
synced 2024-11-16 09:49:18 +01:00
f70c56d79d
+ Added addresses to kernel_patches.S, launcher.c - Removed usage of AC (AutoConnect) functions in socket_functions (all FWs) + Added check for FW while deleting Voices in SoundHandler (5.0.0 throws DSI when deleting the last Voice)
219 lines
5.6 KiB
ArmAsm
219 lines
5.6 KiB
ArmAsm
#if ((VER == 532) || (VER == 540))
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#define BAT_SETUP_HOOK_ADDR 0xFFF1D638
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# not all of those NOP address are required for every firmware
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# mainly these should stop the kernel from removing our IBAT4 and DBAT5
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#define BAT_SET_NOP_ADDR_1 0xFFF06A14
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#define BAT_SET_NOP_ADDR_2 0xFFF06AA0
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#define BAT_SET_NOP_ADDR_3 0xFFF003C8
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#define BAT_SET_NOP_ADDR_4 0xFFF003CC
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#define BAT_SET_NOP_ADDR_5 0xFFF1D720
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#define BAT_SET_NOP_ADDR_6 0xFFF1D73C
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#define BAT_SET_NOP_ADDR_7 0xFFF1D840
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#define BAT_SET_NOP_ADDR_8 0xFFEE10B8
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#define BAT_SET_NOP_ADDR_9 0xFFEE10BC
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#elif ((VER == 500) || (VER == 510))
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#define BAT_SETUP_HOOK_ADDR 0xFFF1D518
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#define BAT_SET_NOP_ADDR_1 0xFFF0697C
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#define BAT_SET_NOP_ADDR_2 0xFFF06A08
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#define BAT_SET_NOP_ADDR_3 0xFFF003C8
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#define BAT_SET_NOP_ADDR_4 0xFFF003CC
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#define BAT_SET_NOP_ADDR_5 0xFFF1D600
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#define BAT_SET_NOP_ADDR_6 0xFFF1D61C
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#define BAT_SET_NOP_ADDR_7 0xFFF1D720
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#define BAT_SET_NOP_ADDR_8 0xFFEE10B8
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#define BAT_SET_NOP_ADDR_9 0xFFEE10BC
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#elif ( (VER == 400) || (VER == 410) )
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#define BAT_SETUP_HOOK_ADDR 0xFFF1AD00
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#else
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#error Please define valid values for kernel setup.
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#endif
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#ifdef USE_SD_LOADER
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#define BAT_SETUP_HOOK_ENTRY 0x00800000
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#else
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#define BAT_SETUP_HOOK_ENTRY (0x00800000 + 0x2000)
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#endif
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#define BAT4U_VAL 0x008000FF
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#define BAT4L_VAL 0x30800012
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#define SET_R4_TO_ADDR(addr) \
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lis r3, addr@h ; \
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ori r3, r3, addr@l ; \
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stw r4, 0(r3) ; \
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dcbf 0, r3 ; \
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icbi 0, r3 ;
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.globl Syscall_0x36
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Syscall_0x36:
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mflr r0
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stwu r1, -0x10(r1)
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stw r30, 0x4(r1)
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stw r31, 0x8(r1)
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mr r5, r0
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mr r6, r1
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li r0, 0x3600
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sc
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nop
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mr r0, r5
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mr r1, r6
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lwz r30, 0x04(r1)
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lwz r31, 0x08(r1)
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addi r1, r1, 0x10
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mtlr r0
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blr
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.globl KernelPatches
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KernelPatches:
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# store the old DBAT0
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mfdbatu r30, 0
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mfdbatl r31, 0
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# memory barrier
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eieio
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isync
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# setup DBAT0 for access to kernel code memory
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lis r3, 0xFFF0
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ori r3, r3, 0x0002
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mtdbatu 0, r3
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lis r3, 0xFFF0
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ori r3, r3, 0x0032
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mtdbatl 0, r3
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# memory barrier
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eieio
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isync
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# SaveAndResetDataBATs_And_SRs hook setup, but could be any BAT function though
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# just chosen because its simple
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lis r3, BAT_SETUP_HOOK_ADDR@h
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ori r3, r3, BAT_SETUP_HOOK_ADDR@l
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# make the kernel setup our section in IBAT4 and
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# jump to our function to restore the replaced instructions
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lis r4, 0x3ce0 # lis r7, BAT4L_VAL@h
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ori r4, r4, BAT4L_VAL@h
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stw r4, 0x00(r3)
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lis r4, 0x60e7 # ori r7, r7, BAT4L_VAL@l
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ori r4, r4, BAT4L_VAL@l
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stw r4, 0x04(r3)
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lis r4, 0x7cf1 # mtspr 561, r7
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ori r4, r4, 0x8ba6
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stw r4, 0x08(r3)
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lis r4, 0x3ce0 # lis r7, BAT4U_VAL@h
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ori r4, r4, BAT4U_VAL@h
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stw r4, 0x0C(r3)
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lis r4, 0x60e7 # ori r7, r7, BAT4U_VAL@l
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ori r4, r4, BAT4U_VAL@l
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stw r4, 0x10(r3)
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lis r4, 0x7cf0 # mtspr 560, r7
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ori r4, r4, 0x8ba6
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stw r4, 0x14(r3)
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lis r4, 0x7c00 # eieio
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ori r4, r4, 0x06ac
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stw r4, 0x18(r3)
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lis r4, 0x4c00 # isync
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ori r4, r4, 0x012c
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stw r4, 0x1C(r3)
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lis r4, 0x7ce8 # mflr r7
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ori r4, r4, 0x02a6
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stw r4, 0x20(r3)
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lis r4, (BAT_SETUP_HOOK_ENTRY | 0x48000003)@h # bla BAT_SETUP_HOOK_ENTRY
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ori r4, r4, (BAT_SETUP_HOOK_ENTRY | 0x48000003)@l
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stw r4, 0x24(r3)
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# flush and invalidate the replaced instructions
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lis r3, (BAT_SETUP_HOOK_ADDR & ~31)@h
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ori r3, r3, (BAT_SETUP_HOOK_ADDR & ~31)@l
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dcbf 0, r3
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icbi 0, r3
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lis r3, ((BAT_SETUP_HOOK_ADDR + 0x20) & ~31)@h
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ori r3, r3, ((BAT_SETUP_HOOK_ADDR + 0x20) & ~31)@l
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dcbf 0, r3
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icbi 0, r3
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sync
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# setup IBAT4 for core 1 at this position (not really required but wont hurt)
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# IBATL 4
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lis r3, BAT4L_VAL@h
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ori r3, r3, BAT4L_VAL@l
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mtspr 561, r3
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# IBATU 4
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lis r3, BAT4U_VAL@h
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ori r3, r3, BAT4U_VAL@l
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mtspr 560, r3
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# memory barrier
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eieio
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isync
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# write "nop" to some positions
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lis r4, 0x6000
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# nop on IBATU 4 and DBAT 5 set/reset
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#ifdef BAT_SET_NOP_ADDR_1
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SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_1)
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#endif
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#ifdef BAT_SET_NOP_ADDR_2
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SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_2)
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#endif
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#ifdef BAT_SET_NOP_ADDR_3
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SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_3)
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#endif
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#ifdef BAT_SET_NOP_ADDR_4
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SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_4)
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#endif
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#ifdef BAT_SET_NOP_ADDR_5
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SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_5)
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#endif
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#ifdef BAT_SET_NOP_ADDR_6
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SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_6)
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#endif
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#ifdef BAT_SET_NOP_ADDR_7
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SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_7)
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#endif
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#if (defined(BAT_SET_NOP_ADDR_8) && defined(BAT_SET_NOP_ADDR_9))
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# memory barrier
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eieio
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isync
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# setup DBAT0 for access to kernel code memory
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lis r3, 0xFFEE
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ori r3, r3, 0x0002
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mtdbatu 0, r3
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lis r3, 0xFFEE
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ori r3, r3, 0x0032
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mtdbatl 0, r3
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# memory barrier
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eieio
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isync
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# write "nop" to some positions
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lis r4, 0x6000
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SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_8)
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SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_9)
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#endif
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# memory barrier
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eieio
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isync
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# restore DBAT 0 and return from interrupt
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mtdbatu 0, r30
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mtdbatl 0, r31
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# memory barrier
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eieio
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isync
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rfi
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