diff options
| -rw-r--r-- | kernel/memlayout.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/memlayout.h b/kernel/memlayout.h index b6e595d..776f98c 100644 --- a/kernel/memlayout.h +++ b/kernel/memlayout.h @@ -25,12 +25,12 @@ #define VIRTIO0 0x10001000 #define VIRTIO0_IRQ 1 -// local interrupt controller, which contains the timer. +// core local interruptor (CLINT), which contains the timer. #define CLINT 0x2000000L #define CLINT_MTIMECMP(hartid) (CLINT + 0x4000 + 8*(hartid)) #define CLINT_MTIME (CLINT + 0xBFF8) // cycles since boot. -// qemu puts programmable interrupt controller here. +// qemu puts platform-level interrupt controller (PLIC) here. #define PLIC 0x0c000000L #define PLIC_PRIORITY (PLIC + 0x0) #define PLIC_PENDING (PLIC + 0x1000) |