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Added newline at the end of file, mapped all of PLIC and CLINT

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Stephen Marz 2019-10-09 18:21:43 -04:00
parent 982c4afb77
commit a2a94006f3
1 changed files with 17 additions and 1 deletions
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18
risc_v/ch3/src/lib.rs
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@ -159,10 +159,26 @@ fn kinit() -> usize {
page::map(&mut root, 0x1000_0000, 0x1000_0000, page::EntryBits::ReadWrite.val());
// CLINT
// -> MSIP
page::map(&mut root, 0x0200_0000, 0x0200_0000, page::EntryBits::ReadWrite.val());
// -> MTIMECMP
page::map(&mut root, 0x0200_b000, 0x0200_b000, page::EntryBits::ReadWrite.val());
// -> MTIME
page::map(&mut root, 0x0200_b000, 0x0200_b000, page::EntryBits::ReadWrite.val());
page::map(&mut root, 0x0200_c000, 0x0200_c000, page::EntryBits::ReadWrite.val());
// PLIC
// -> Source priority
page::map(&mut root, 0x0c00_0000, 0x0c00_0000, page::EntryBits::ReadWrite.val());
// -> Pending array
page::map(&mut root, 0x0c00_1000, 0x0c00_1000, page::EntryBits::ReadWrite.val());
// -> Interrupt enables
page::map(&mut root, 0x0c00_2000, 0x0c00_2000, page::EntryBits::ReadWrite.val());
// -> Priority threshold and claim/complete registers
for i in 0..=8 {
let m = 0x0c20_0000 + (i << 12);
page::map(&mut root, m, m, page::EntryBits::ReadWrite.val());
}
// When we return from here, we'll go back to boot.S and switch into supervisor mode
// We will return the SATP register to be written when we return.
@ -269,4 +285,4 @@ fn kmain() {
pub mod uart;
pub mod page;
pub mod kmem;
pub mod kmem;