76 lines
803 B
ArmAsm
76 lines
803 B
ArmAsm
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[BITS 32]
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%ifdef __KERNEL__
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extern serial_write
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%endif
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section .text
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putstr:
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push ebp
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mov ebp, esp
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mov ebx, [ebp + 8]
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.loop:
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mov eax, [ebx]
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cmp al, 0
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je .end
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push eax
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%ifdef __KERNEL__
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call serial_write
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%else
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%endif
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add esp, 4
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inc ebx
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jmp .loop
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.end:
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pop ebp
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ret
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putuint:
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push ebp
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mov ebp, esp
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mov ebx, [ebp + 8]
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mov edx, [ebp + 12]
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mov eax, buffer
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push eax
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call putstr
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pop ebp
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ret
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global log_impl
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log_impl:
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push ebp
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mov ebp, esp
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mov eax, [ebp + 8]
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push eax
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call putstr
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add esp, 4
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%ifdef __KERNEL__
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push ':'
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call serial_write
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add esp, 4
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%else
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%endif
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mov eax, [ebp + 12]
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push eax
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call putstr
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add esp, 4
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%ifdef __KERNEL__
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mov al, 0xA
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push eax
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call serial_write
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add esp, 4
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%else
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%endif
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pop ebp
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ret
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digits db '0123456789ABCDEF'
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buffer db '0000000000', 0
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