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https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-23 02:05:57 +01:00
38 lines
781 B
ArmAsm
38 lines
781 B
ArmAsm
#include <lkmc.h>
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.global lkmc_start
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lkmc_start:
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/* = NEON setup */
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mov x1, #(0x3 << 20)
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msr cpacr_el1, x1
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isb
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/* Load the vector table. */
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ldr x0, =lkmc_vector_table
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msr vbar_el1, x0
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/* Prepare the stack for main, mandatory for C code. */
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ldr x0, =stack_top
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mov sp, x0
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/* https://github.com/cirosantilli/linux-kernel-module-cheat#magic-failure-string */
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adr x0, lkmc_baremetal_on_exit_callback
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bl on_exit
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/* Run main. */
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mov x0, 0
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bl main
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/* If main returns, exit. */
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bl exit
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LKMC_VECTOR_TABLE
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/* Default trap handler. */
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LKMC_WEAK(lkmc_vector_trap_handler)
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ldr x0, =lkmc_vector_trap_handler_error
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bl puts
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bl abort
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lkmc_vector_trap_handler_error:
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.asciz "error: unexpected interrupt"
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