// TODO: CHECK/REPLACE/UPDATE OLD CODE (this file is based on xv6, although it was converted from inline functions to plain assembly)
.option norvc
.text
.globl	r_mhartid
r_mhartid:
	csrr a0, mhartid
	ret
.globl	r_mstatus
r_mstatus:
	csrr a0, mstatus
	ret
.globl	w_mstatus
w_mstatus:
	csrw mstatus, a0
	ret
.globl	w_mepc
w_mepc:
	csrw mepc, a0
	ret
.globl	r_sstatus
r_sstatus:
	csrr a0, sstatus
	ret
.globl	w_sstatus
w_sstatus:
	csrw sstatus, a0
	ret
.globl	r_sip
r_sip:
	csrr a0, sip
	ret
.globl	w_sip
w_sip:
	csrw sip, a0
	ret
.globl	r_sie
r_sie:
	csrr a0, sie
	ret
.globl	w_sie
w_sie:
	csrw sie, a0
	ret
.globl	r_mie
r_mie:
	csrr a0, mie
	ret
.globl	w_mie
w_mie:
	csrw mie, a0
	ret
.globl	w_sepc
w_sepc:
	csrw sepc, a0
	ret
.globl	r_sepc
r_sepc:
	csrr a0, sepc
	ret
.globl	r_medeleg
r_medeleg:
	csrr a0, medeleg
	ret
.globl	w_medeleg
w_medeleg:
	csrw medeleg, a0
	ret
.globl	r_mideleg
r_mideleg:
	csrr a0, mideleg
	ret
.globl	w_mideleg
w_mideleg:
	csrw mideleg, a0
	ret
.globl	w_stvec
w_stvec:
	csrw stvec, a0
	ret
.globl	r_stvec
r_stvec:
	csrr a0, stvec
	ret
.globl	r_stimecmp
r_stimecmp:
	csrr a0, 0x14d
	ret
.globl	w_stimecmp
w_stimecmp:
	csrw 0x14d, a0
	ret
.globl	r_menvcfg
r_menvcfg:
	csrr a0, 0x30a
	ret
.globl	w_menvcfg
w_menvcfg:
	csrw 0x30a, a0
	ret
.globl	w_pmpcfg0
w_pmpcfg0:
	csrw pmpcfg0, a0
	ret
.globl	w_pmpaddr0
w_pmpaddr0:
	csrw pmpaddr0, a0
	ret
.globl	w_satp
w_satp:
	csrw satp, a0
	ret
.globl	r_satp
r_satp:
	csrr a0, satp
	ret
.globl	r_scause
r_scause:
	csrr a0, scause
	ret
.globl	r_stval
r_stval:
	csrr a0, stval
	ret
.globl	w_mcounteren
w_mcounteren:
	csrw mcounteren, a0
	ret
.globl	r_mcounteren
r_mcounteren:
	csrr a0, mcounteren
	ret
.globl	r_time
r_time:
	csrr a0, time
	ret
.globl	intr_on
intr_on:
	csrr a5, sstatus
	ori	a5,a5,2
	csrw sstatus, a5
	ret
.globl	intr_off
intr_off:
	csrr a5, sstatus
	andi	a5,a5,-3
	csrw sstatus, a5
	ret
.globl	intr_get
intr_get:
	csrr a0, sstatus
	bexti	a0,a0,1
	ret
.globl	r_sp
r_sp:
	mv a0, sp
	ret
.globl	w_tp
w_tp:
	mv tp, a0
	ret
.globl	r_ra
r_ra:
	mv a0, ra
	ret
.globl	sfence_vma
sfence_vma:
	sfence.vma zero, zero
	ret