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#ifndef MEMORY_H
#define MEMORY_H

#include "paging.h"

#define SECTION_SIZE (((uint32_t) 1) << 20)

#define INTERRUPT_VECTOR_TABLE_START ((uint32_t) 0x0)

#define STACK_START ((uint32_t) 0x4000)
#define STACK_END   ((uint32_t) 0x8000)

extern const char __end;
extern const char __start;

#define KERNEL_START ((uint32_t) &__start)
#define KERNEL_END   ((uint32_t) &__end)

// first 2^14 aligned address after the kernel
#define TRANSLATION_TABLE_BASE						\
  (((KERNEL_END - (uint32_t) 1) & ~((uint32_t) 0x3fff))			\
   + (uint32_t) 0x4000)

#define TRANSLATION_TABLE_END				\
  (TRANSLATION_TABLE_BASE + (uint32_t) (4096 * 4))

#define PRIVILEGED_MEMORY_END					     \
  (((TRANSLATION_TABLE_END - (uint32_t) 1) & ~((uint32_t) 0xfffff))  \
   + SECTION_SIZE)

#define UNPRIVILEGED_MEMORY_START PRIVILEGED_MEMORY_END
#define UNPRIVILEGED_MEMORY_END			\
  (UNPRIVILEGED_MEMORY_START + SECTION_SIZE)

#define PL0_SECTION_NUMBER     ((uint32_t) 0b101010101010)

#define VIRTUAL_PL0_MEMORY_START (PL0_SECTION_NUMBER << 20)

#endif // MEMORY_H