From 55e95b16db458b7f9abeca96e541acbdf8d7f85b Mon Sep 17 00:00:00 2001
From: rtm <rtm>
Date: Mon, 12 Jun 2006 15:22:12 +0000
Subject: import

---
 main.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 main.c

(limited to 'main.c')

diff --git a/main.c b/main.c
new file mode 100644
index 0000000..a1c08c9
--- /dev/null
+++ b/main.c
@@ -0,0 +1,40 @@
+#include "types.h"
+#include "param.h"
+#include "mmu.h"
+#include "proc.h"
+#include "defs.h"
+#include "x86.h"
+
+char junk1[20000];
+char junk2[20000] = { 1 };
+
+main()
+{
+  struct proc *p;
+
+  cprintf("\nxV6\n\n");
+
+  // initialize physical memory allocator
+  kinit();
+
+  // create fake process zero
+  p = &proc[0];
+  p->state = WAITING;
+  p->sz = PAGE;
+  p->mem = kalloc(p->sz);
+  memset(p->mem, 0, p->sz);
+  p->kstack = kalloc(KSTACKSIZE);
+  p->tf = (struct Trapframe *) (p->kstack + KSTACKSIZE - sizeof(struct Trapframe));
+  memset(p->tf, 0, sizeof(struct Trapframe));
+  p->tf->tf_es = p->tf->tf_ds = p->tf->tf_ss = (SEG_UDATA << 3) | 3;
+  p->tf->tf_cs = (SEG_UCODE << 3) | 3;
+  p->tf->tf_eflags = FL_IF;
+  setupsegs(p);
+
+  p = newproc(&proc[0]);
+  // xxx copy instructions to p->mem
+  p->tf->tf_eip = 0;
+  p->tf->tf_esp = p->sz;
+
+  swtch(&proc[0]);
+}
-- 
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