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https://github.com/prdgmshift/usbliter8
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Paradigm Shift
29 lines
623 B
ArmAsm
29 lines
623 B
ArmAsm
// t8020 pre-return cleanup code
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mov x0, sp // old stack
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sub sp, sp, 0xA0 // SP as it has to be inside the task routine
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mov x1, sp // new stack
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stack_clear_loop:
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stp xzr, xzr, [x1], #0x10
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cmp x0, x1
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bne stack_clear_loop
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// stack canary
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ldr x1, =0x19C008448
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ldr x1, [x1]
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str x1, [sp, #0x18]
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// set LR to expected place in task tramp
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ldr x1, =0x10000ACEC
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str x1, [sp, #0x78]
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ldr x1, =0x239100BA8
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str x1, [sp, #0x8]
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ldr x20, =0x239100000
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ldr x21, =0x19C010670
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mov w24, #1
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mov w25, #0x40
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mov w28, #0x1F
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mov w26, #0xF
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