Created student weenix repository

1 files changed, 79 insertions, 0 deletions

diff --git a/kernel/include/kernel.h b/kernel/include/kernel.h
new file mode 100644
index 0000000..c3f7827
--- /dev/null
+++ b/kernel/include/kernel.h
@@ -0,0 +1,79 @@
+#pragma once
+
+#include "types.h"
+
+/* The linker script will initialize these symbols. Note
+ * that the linker does not actually allocate any space
+ * for these variables (thus the void type) it only sets
+ * the address that the symbol points to. So for example
+ * the address where the kernel ends is &kernel_end,
+ * NOT kernel_end.
+ */
+extern void *setup_end;
+extern void *kernel_start;
+extern void *kernel_start_text;
+extern void *kernel_start_data;
+extern void *kernel_start_bss;
+extern void *kernel_end;
+extern void *kernel_end_text;
+extern void *kernel_end_data;
+extern void *kernel_end_bss;
+extern void *kernel_start_init;
+extern void *kernel_end_init;
+
+extern void *kernel_phys_base;
+extern void *kernel_phys_end;
+
+#define inline __attribute__((always_inline, used))
+#define noreturn __attribute__((noreturn))
+
+#define offsetof(type, member) \
+    ((uintptr_t)((char *)&((type *)(0))->member - (char *)0))
+
+#define NOT_YET_IMPLEMENTED(f)                                                 \
+    dbg(DBG_PRINT, "Not yet implemented: %s, file %s, line %d\n", f, __FILE__, \
+        __LINE__)
+
+#ifndef MIN
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#endif
+#ifndef MAX
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#endif
+
+#define CONTAINER_OF(obj, type, member) \
+    ((type *)((char *)(obj)-offsetof(type, member)))
+
+/* This truly atrocious macro hack taken from the wikipedia article on the C
+ * preprocessor, use to "quote" the value (or name) of another macro:
+ * QUOTE_BY_NAME(NTERMS) -> "NTERMS"
+ * QUOTE(NTERMS) -> "3"
+ *
+ * These macros even made more atrocious by searching for "stringizing operator
+ * comma".  The variable length macros account for comma separated symbols.
+ */
+#define QUOTE_BY_NAME(...) #__VA_ARGS__
+#define QUOTE_BY_VALUE(x) QUOTE_BY_NAME(x)
+/* By default, we quote by value */
+#define QUOTE(...) QUOTE_BY_NAME(__VA_ARGS__)
+
+#if 0
+#ifndef __DRIVERS__
+#define __DRIVERS__
+#endif
+#ifndef __VFS__
+#define __VFS__
+#endif
+#ifndef __S5FS__
+#define __S5FS__
+#endif
+#ifndef __VM__
+#define __VM__
+#endif
+#ifndef __NTERMS__
+#define __NTERMS__ 3
+#endif
+#ifndef __NDISKS__
+#define __NDISKS__ 1
+#endif
+#endif
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