From 4487295308b08ae8dff529e1594949938957f4ae Mon Sep 17 00:00:00 2001 From: Stephen Marz Date: Fri, 13 Mar 2020 19:38:06 -0400 Subject: [PATCH] Remove frame extraction --- risc_v/ch9/src/process.rs | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/risc_v/ch9/src/process.rs b/risc_v/ch9/src/process.rs index 1f17047..9678b9e 100644 --- a/risc_v/ch9/src/process.rs +++ b/risc_v/ch9/src/process.rs @@ -21,7 +21,8 @@ const STACK_PAGES: usize = 2; // regardless of where it is on the kernel heap. const STACK_ADDR: usize = 0x1_0000_0000; // All processes will have a defined starting point in virtual memory. -const PROCESS_STARTING_ADDR: usize = 0x8000_0000; +// We will use this later when we load processes from disk. +// const PROCESS_STARTING_ADDR: usize = 0x2000_0000; // Here, we store a process list. It uses the global allocator // that we made before and its job is to store all processes. @@ -102,7 +103,7 @@ pub fn init() -> usize { // the address, and then move it right back in. let pl = PROCESS_LIST.take().unwrap(); let p = pl.front().unwrap().frame; - let frame = p as *const TrapFrame as usize; + // let frame = p as *const TrapFrame as usize; // println!("Init's frame is at 0x{:08x}", frame); // Put the process list back in the global. PROCESS_LIST.replace(pl); @@ -255,6 +256,9 @@ impl Drop for Process { // The private data in a process contains information // that is relevant to where we are, including the path // and open file descriptors. +// We will allow dead code for now until we have a need for the +// private process data. This is essentially our resource control block (RCB). +#[allow(dead_code)] pub struct ProcessData { cwd_path: [u8; 128], }