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| author | Frans Kaashoek <[email protected]> | 2020-10-03 10:21:04 -0400 |
|---|---|---|
| committer | Frans Kaashoek <[email protected]> | 2020-10-03 10:21:04 -0400 |
| commit | 1c4b582fc74a3b6192f7a1aba1c667b1b5e840bd (patch) | |
| tree | 320d01bca4eb3b20ce3e67365adb618672dc9a98 | |
| parent | d9c7b13acce9ac17e550ec02799edf8da059d78a (diff) | |
| download | xv6-labs-1c4b582fc74a3b6192f7a1aba1c667b1b5e840bd.tar.gz xv6-labs-1c4b582fc74a3b6192f7a1aba1c667b1b5e840bd.tar.bz2 xv6-labs-1c4b582fc74a3b6192f7a1aba1c667b1b5e840bd.zip | |
Clarify CLINT and PLIC acronym
| -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) |