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37 lines
499 B
ArmAsm
37 lines
499 B
ArmAsm
.section .init
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.option norvc
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.type _start, @function
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.global _start
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_start:
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.cfi_startproc
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.option push
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.option norelax
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la gp, global_pointer
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.option pop
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/* Reset satp */
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csrw satp, zero
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/* Setup stack */
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la sp, stack_top
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/* Clear the BSS section */
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la t5, bss_start
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la t6, bss_end
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bss_clear:
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sd zero, (t5)
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addi t5, t5, 8
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bgeu t5, t6, bss_clear
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la t0, main
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csrw mepc, t0
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/* Jump to kernel! */
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tail main
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.cfi_endproc
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.end
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