63 lines
896 B
ArmAsm
63 lines
896 B
ArmAsm
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/*
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A bunch of functions I could have written in C (or not), but decided not to,
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Mostly so I could get more experience in assembler.
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*/
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/*
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DO NOT USE "pusha" AND/OR "popa"!!!
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THEY ARE DEPRECATED (or something like that)
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AND SHOULD NOT BE USED!!!
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INSTEAD PUSH/POP REGISTERS ON/OFF THE STACK INDIVIDUALLY!!!
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*/
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.section .text
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.global _enable_paging_asm
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.global _push_regs
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.global _pop_regs
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.global _hang_asm
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_enable_paging_asm:
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push %eax
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mov %cr0, %eax
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or $0x80000000, %eax
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mov %eax, %cr0
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pop %eax
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ret
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_push_regs:
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push %eax
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push %ebx
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push %ecx
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push %edx
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push %esi
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push %edi
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push %esp
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push %ebp
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ret
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_pop_regs:
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pop %ebp
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pop %esp
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pop %edi
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pop %esi
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pop %edx
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pop %ecx
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pop %ebx
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pop %eax
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ret
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_hang_asm:
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hlt
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jmp _hang_asm
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.section .data
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