24 lines
600 B
ArmAsm
24 lines
600 B
ArmAsm
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.section .text.init
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.global _start
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.equ UART_BASE, 0x10000000 # QEMU's UART base address
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_start:
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# Load address of the string into a1
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la a1, message
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loop:
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lbu a0, 0(a1) # Load a byte from the string
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beqz a0, exit # If null terminator, exit
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li t0, UART_BASE # Load UART address
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sb a0, 0(t0) # Store character to UART (8-bit write)
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addi a1, a1, 1 # Move to next character
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j loop # Repeat
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exit:
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j exit # Infinite loop
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.section .rodata
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message:
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.asciz "Hello, world!\n"
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