program loading, others

big kernel additions: paging, elf loading, separate kernel and user page allocation
it now properly loads and runs sd0:bin/init.elf
still need to determine which disk was booted from, and start the init on that disk

1 files changed, 17 insertions, 0 deletions

diff --git a/src/kernel/pmap.h b/src/kernel/pmap.h
new file mode 100644
index 0000000..1016de3
--- /dev/null
+++ b/src/kernel/pmap.h
@@ -0,0 +1,17 @@
+#ifndef PAGEMAP_H
+#define PAGEMAP_H
+
+#include <stdint.h>
+
+extern uint32_t kernel_pages_left;
+extern uint32_t user_pages_left;
+extern uint32_t max_user_pages;
+extern uint32_t max_kernel_pages;
+
+void init_pagemap();
+
+void *allocate_kernel_pages(uint32_t n) __attribute__ ((malloc));
+void *allocate_user_pages(uint32_t n) __attribute__ ((malloc));
+void free_pages(const void *ptr, uint32_t n);
+
+#endif
\ No newline at end of file