malloc stub + processes

well, there's only one process, but shh

1 files changed, 21 insertions, 0 deletions

diff --git a/kernel/proc.c b/kernel/proc.c
new file mode 100644
index 0000000..1178952
--- /dev/null
+++ b/kernel/proc.c
@@ -0,0 +1,21 @@
+#include <kernel/mem.h>
+#include <kernel/proc.h>
+#include <platform/sysenter.h>
+
+struct process *process_current;
+
+struct process *process_new(void *eip) {
+	struct process *proc;
+	proc = malloc(sizeof(struct process));
+
+	// should allocate an actual page. TODO
+	proc->stack_top = proc->esp = malloc(4096);
+	proc->eip = eip;
+
+	return proc;
+}
+
+void process_switch(struct process *proc) {
+	process_current = proc;
+	sysexit(proc->eip, proc->esp);
+}