Move the kext outside Rosalina
- Stability (tm) - Boots 1s faster on N3DS - (∩ ͡° ͜ʖ ͡°)⊃━☆゚
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@@ -1,66 +0,0 @@
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.arm.little
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.create "build/k11MainHook.bin", 0
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.arm
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bindSGI0:
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; hook __kernel_main to bind SGI0 for own purposes
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push {r0-r4, lr}
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sub sp, #16 ; 3 args passed through the stack + alignment
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adr r0, parameters
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ldr r0, [r0, #4]
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adr r1, interruptEvent
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mov r2, #0
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mrc p15, 0, r3, c0, c0, 5
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and r3, #3
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mov r4, #0
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str r4, [sp]
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str r4, [sp, #4]
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str r4, [sp, #8]
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ldr r12, [InterruptManager_MapInterrupt]
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blx r12
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cmp r0, #0
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blt .
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add sp, #16
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pop {r0-r4, pc}
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executeCustomHandler:
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push {r4, lr}
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mrs r4, cpsr
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adr r0, parameters
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bl convertVAToPA
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orr r0, #(1 << 31)
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ldr r12, [r0]
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blx r12
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mov r0, #0
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msr cpsr_cx, r4
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pop {r4, pc}
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convertVAToPA:
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mov r1, #0x1000
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sub r1, #1
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and r2, r0, r1
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bic r0, r1
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mcr p15, 0, r0, c7, c8, 0 ; VA to PA translation with privileged read permission check
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mrc p15, 0, r0, c7, c4, 0 ; read PA register
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tst r0, #1 ; failure bit
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bic r0, r1
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addeq r0, r2
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movne r0, #0
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bx lr
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.pool
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; Result InterruptManager::MapInterrupt(InterruptManager *this, InterruptEvent *iEvent, u32 interruptID, u32 coreID, s32 priority, bool willBeMasked, bool isLevelHighActive);
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InterruptManager_MapInterrupt: .ascii "bind"
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_vtable: .word executeCustomHandler
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interruptEvent: .word _vtable
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parameters:
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.close
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@@ -1,36 +0,0 @@
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.arm.little
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.create "build/mmuHook.bin", 0
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.arm
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; r2 = L1 table
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; Thanks @Dazzozo for giving me that idea
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; Maps physmem so that, if addr is in physmem(0, 0x30000000), it can be accessed uncached&rwx as addr|(1<<31)
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; Save the value of all registers
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push {r0-r1, r3-r7}
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mov r0, #0
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mov r1, #0x30000000 ; end address
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ldr r3, =#0x40C02 ; supersection (rwx for all) of strongly ordered memory, shared
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loop:
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orr r4, r0, #0x80000000
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orr r5, r0, r3
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mov r6, #0 ;
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loop2:
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add r7, r6, r4,lsr #20
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str r5, [r2, r7,lsl #2]
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add r6, #1
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cmp r6, #16
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blo loop2
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add r0, #0x01000000
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cmp r0, r1
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blo loop
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pop {r0-r1, r3-r7}
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mov r3, #0xe0000000 ; instruction that has been patched
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bx lr
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.pool
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.close
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@@ -1,32 +0,0 @@
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.arm.little
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.create "build/svcConnectToPortInitHook.bin", 0
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.arm
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b skip_vars
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vars:
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orig: .word 0
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SleepThread: .word 0
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skip_vars:
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push {r0-r4, lr}
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ldr r4, =0x1ff81108
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loop:
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ldrb r12, [r4]
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cmp r12, #0
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bne loop_end
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ldr r12, [SleepThread]
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ldr r0, =(10 * 1000 * 1000)
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mov r1, #0
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blx r12
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b loop
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loop_end:
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pop {r0-r4, lr}
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mov r12, #0x40000000
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add r12, #4
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bx r12
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.pool
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.close
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@@ -1,20 +0,0 @@
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.arm.little
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.create "build/svcCustomBackdoor.bin", 0
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.arm
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; Result svcCustomBackdoor(void *func, ... <up to 3 args>)
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svcCustomBackdoor:
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b skip_orig
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orig: .word 0
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skip_orig:
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push {r4, lr}
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mov r4, r0
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mov r0, r1
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mov r1, r2
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mov r2, r3
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blx r4
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pop {r4, pc}
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.pool
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.close
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