rpi4-osdev/part13-interrupts/kernel/utils.S

.globl irq_init_vectors
irq_init_vectors:
    adr x0, vectors
    msr vbar_el1, x0
    ret

.globl irq_enable
irq_enable:
    msr daifclr, #2
    ret

.globl irq_disable
irq_disable:
    msr daifset, #2
    ret

.globl irq_barrier
irq_barrier:
    dsb sy
    ret
Added part13-interrupts, albeit without a README.md for now 2021-10-12 16:19:47 +00:00			`.globl irq_init_vectors`
			`irq_init_vectors:`
			`adr x0, vectors`
			`msr vbar_el1, x0`
			`ret`

			`.globl irq_enable`
			`irq_enable:`
			`msr daifclr, #2`
			`ret`

			`.globl irq_disable`
			`irq_disable:`
			`msr daifset, #2`
			`ret`
Added irq_barrier to part13-interrupts just to be sure 2024-02-06 12:01:39 +00:00
			`.globl irq_barrier`
			`irq_barrier:`
			`dsb sy`
			`ret`