Refactoring

+ Mainly just moving stuff out or arch/riscv/ that should be handled in
  common/

+ Prepared separate process stack/call stack for server callbacks, rest
  to be implemeted soon ish

1 files changed, 52 insertions, 0 deletions

diff --git a/common/main.c b/common/main.c
new file mode 100644
index 0000000..f91fc22
--- /dev/null
+++ b/common/main.c
@@ -0,0 +1,52 @@
+#include <apos/mem_nodes.h>
+#include <apos/attrs.h>
+#include <apos/proc.h>
+#include <apos/debug.h>
+#include <apos/vmem.h>
+#include <apos/arch.h>
+#include <apos/irq.h>
+#include <libfdt.h>
+
+#ifdef DEBUG
+static struct dbg_info dbg_info = (struct dbg_info){0};
+
+static void init_dbg(void *fdt)
+{
+	dbg_info = dbg_from_fdt(fdt);
+}
+
+static void setup_dmap_dbg()
+{
+	setup_dbg(dbg_info.dbg_ptr, dbg_info.dev);
+}
+
+static void setup_io_dbg(struct vm_branch *b)
+{
+	vm_t io_ptr = setup_kernel_io(b, dbg_info.dbg_ptr);
+	setup_dbg(io_ptr, dbg_info.dev);
+}
+#else
+#define init_dbg(...)
+#define setup_dmap_dbg(...)
+#define setup_io_dbg(...)
+#endif
+
+void __main main(void *fdt)
+{
+	/* dbg uses direct mapping at this point */
+	init_dbg(fdt);
+	setup_dmap_dbg();
+	dbg_fdt(fdt);
+
+	arch_setup(fdt);
+
+	init_pmem(fdt);
+	init_mem_blocks();
+	struct vm_branch *b = init_vmem(fdt);
+
+	/* start up debugging in kernel IO */
+	setup_io_dbg(b);
+
+	init_irq(fdt);
+	init_proc(fdt, b);
+}