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.section ".text.kernel"
.globl kernel_main
kernel_main:
push {lr}
bl uart_init
bl enable_irq
ldr r0, =os_info
bl uart_string
mov r0, #0x00
kernel_main.a:
cmp r0, #0x100
beq kernel_main.b
bl uart_char
add r0, #1
b kernel_main.a
kernel_main.b:
mov r0, #0x0A
bl uart_char
kernel_main.loop:
bl io_halt
b kernel_main.loop
pop {lr}
.section ".data"
os_info:
.asciz "Sergey Bilovytskyy's Real Time Operating System\n Version 0.0a\n Interrupt 01: uart rx interrupt\n Exit : Ctrl-A x\n Monitor : Ctrl-A c\n\n"
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