initial checkout from wrc

1 files changed, 58 insertions, 0 deletions

diff --git a/include/types.h b/include/types.h
new file mode 100644
index 0000000..2f934f1
--- /dev/null
+++ b/include/types.h
@@ -0,0 +1,58 @@
+/**
+** @file	types.h
+**
+** @author	Warren R. Carithers
+**
+** @brief	Common type declarations.
+**
+** This header file contains type declarations used throughout
+** the kernel and user code.
+*/
+
+#ifndef TYPES_H_
+#define TYPES_H_
+
+#ifndef ASM_SRC
+
+/*
+** Start of C-only definitions
+**
+** Anything that should not be visible to something other than
+** the C compiler should be put here.
+*/
+
+/*
+** Types
+*/
+
+// standard integer sized types
+typedef char int8_t;
+typedef unsigned char uint8_t;
+typedef short int16_t;
+typedef unsigned short uint16_t;
+typedef int int32_t;
+typedef unsigned int uint32_t;
+typedef long long int int64_t;
+typedef unsigned long long int uint64_t;
+
+// other integer types
+typedef unsigned char uchar_t;
+typedef unsigned int uint_t;
+typedef unsigned long int ulong_t;
+
+// Boolean values
+typedef uint8_t bool_t;
+
+#define true	1
+#define false	0
+
+#ifdef KERNEL_SRC
+// we define these here instead of in vm.h in order to get around a
+// nasty chick/egg dependency between procs.h and vm.h
+typedef uint32_t pde_t;   // page directory entry
+typedef uint32_t pte_t;   // page table entry
+#endif  /* KERNEL_SRC */
+
+#endif	/* !ASM_SRC */
+
+#endif