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vexriscv-rust
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Refactoring

This commit is contained in:
Vadim Kaushan 2019-03-18 18:25:16 +03:00
parent 4fb81f4860
commit 6a2bdbf38d
No known key found for this signature in database
GPG Key ID: A501C5DF67C05C4E
1 changed files with 15 additions and 8 deletions
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23
src/register/mstatus.rs
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@ -49,43 +49,43 @@ impl Mstatus {
/// User Interrupt Enable
#[inline]
pub fn uie(&self) -> bool {
self.bits & (1 << 0) == 1 << 0
self.bits.get_bit(0)
}
/// Supervisor Interrupt Enable
#[inline]
pub fn sie(&self) -> bool {
self.bits & (1 << 1) == 1 << 1
self.bits.get_bit(1)
}
/// Machine Interrupt Enable
#[inline]
pub fn mie(&self) -> bool {
self.bits & (1 << 3) == 1 << 3
self.bits.get_bit(3)
}
/// User Previous Interrupt Enable
#[inline]
pub fn upie(&self) -> bool {
self.bits & (1 << 4) == 1 << 4
self.bits.get_bit(4)
}
/// Supervisor Previous Interrupt Enable
#[inline]
pub fn spie(&self) -> bool {
self.bits & (1 << 5) == 1 << 5
self.bits.get_bit(5)
}
/// User Previous Interrupt Enable
#[inline]
pub fn mpie(&self) -> bool {
self.bits & (1 << 7) == 1 << 7
self.bits.get_bit(7)
}
/// Supervisor Previous Privilege Mode
#[inline]
pub fn spp(&self) -> SPP {
match self.bits & (1 << 8) == (1 << 8) {
match self.bits.get_bit(8) {
true => SPP::Supervisor,
false => SPP::User,
}
@ -94,7 +94,7 @@ impl Mstatus {
/// Machine Previous Privilege Mode
#[inline]
pub fn mpp(&self) -> MPP {
match (self.bits & (0b11 << 11)) >> 11 {
match self.bits.get_bits(11..13) {
0b00 => MPP::User,
0b01 => MPP::Supervisor,
0b11 => MPP::Machine,
@ -141,26 +141,33 @@ clear!(0x300, __clear_mstatus);
set_clear_csr!(
/// User Interrupt Enable
, set_uie, clear_uie, 1 << 0);
set_clear_csr!(
/// Supervisor Interrupt Enable
, set_sie, clear_sie, 1 << 1);
set_clear_csr!(
/// Machine Interrupt Enable
, set_mie, clear_mie, 1 << 3);
set_csr!(
/// User Previous Interrupt Enable
, set_upie, 1 << 4);
set_csr!(
/// Supervisor Previous Interrupt Enable
, set_spie, 1 << 5);
set_csr!(
/// Machine Previous Interrupt Enable
, set_mpie, 1 << 7);
/// Supervisor Previous Privilege Mode
#[inline]
pub unsafe fn set_spp(spp: SPP) {
_set((spp as usize) << 8);
}
/// Machine Previous Privilege Mode
#[inline]
pub unsafe fn set_mpp(mpp: MPP) {