From 5eef1694bb7148de5f027b53f868811f278cb79e Mon Sep 17 00:00:00 2001
From: Alex Stratford <alexander3.stratford@live.uwe.ac.uk>
Date: Sun, 1 Dec 2019 15:56:50 +0000
Subject: [PATCH] Updated names, added dependencies
---
userprog/populate_stack.c | 9 +++++++++
userprog/process.c | 1 +
2 files changed, 10 insertions(+)
diff --git a/userprog/populate_stack.c b/userprog/populate_stack.c
index 00092b3..be08f79 100644
--- a/userprog/populate_stack.c
+++ b/userprog/populate_stack.c
@@ -1,3 +1,11 @@
+/*
+ * populates_stack.c --implements function for populating the program stack
+ *
+ *
+ * Authored by Alex Stratford
+ */
+
+#include "threads/vaddr.h"
#include "userprog/argument_parsing.h"
@@ -40,6 +48,7 @@ void populate_stack(void* stackPointer, int argc, char** argv) {
(*(int *)(*stackPointer)) = 0;
}
+// Adds the move value to the stack pointer
int move_stack_pointer(void* stackPointer, int moveValue) {
*stackPointer = *stackPointer + moveValue;
return *stackPointer;
diff --git a/userprog/process.c b/userprog/process.c
index d44ae7a..668584f 100644
--- a/userprog/process.c
+++ b/userprog/process.c
@@ -456,6 +456,7 @@ setup_stack (void **initialStackPointer, char **argv, int argc)
success = install_page (((uint8_t *) PHYS_BASE) - PGSIZE, kpage, true);
if (success) {
*initialStackPointer = PHYS_BASE - 12;
+ arr[]
} else
palloc_free_page (kpage);
}
--
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