ARM support for kernel and vm

kernel/arch/arm/include/archconst.h

@@ -0,0 +1,31 @@
+
+#ifndef _ARM_ACONST_H
+#define _ARM_ACONST_H
+
+#include <machine/interrupt.h>
+#include <machine/memory.h>
+#include <machine/cpu.h>
+
+/* Program stack words and masks. */
+#define INIT_PSR      (MODE_USR | PSR_F)    /* initial psr */
+#define INIT_TASK_PSR (MODE_SVC | PSR_F)    /* initial psr for tasks */
+
+/* Exception vector numbers */
+#define RESET_VECTOR                  0
+#define UNDEFINED_INST_VECTOR         1
+#define SUPERVISOR_CALL_VECTOR        2
+#define PREFETCH_ABORT_VECTOR         3
+#define DATA_ABORT_VECTOR             4
+#define HYPERVISOR_CALL_VECTOR        5
+#define INTERRUPT_VECTOR              6
+#define FAST_INTERRUPT_VECTOR         7
+
+/*
+ * defines how many bytes are reserved at the top of the kernel stack for global
+ * information like currently scheduled process or current cpu id
+ */
+#define ARM_STACK_TOP_RESERVED	(2 * sizeof(reg_t))
+
+#define PG_ALLOCATEME ((phys_bytes)-1)
+
+#endif /* _ARM_ACONST_H */