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22 lines
595 B
C
22 lines
595 B
C
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#ifndef EXOSPHERE_USERPAGE_H
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#define EXOSPHERE_USERPAGE_H
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#include <stdint.h>
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#define SECURE_USER_PAGE_ADDR (0x1F01F4000ULL)
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typedef struct {
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uint64_t user_page;
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uint64_t secure_page;
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} upage_ref_t;
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int upage_init(upage_ref_t *user_page, void *user_address);
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void user_copy_to_secure(upage_ref_t *user_page, void *secure_dst, void *user_src, size_t size);
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void secure_copy_to_user(upage_ref_t *user_page, void *user_dst, void *secure_src, size_t size);
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static inline uint64_t get_page_for_address(void *address) {
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return ((uint64_t)(address)) & 0xFFFFFFFFFFFFF000ULL;
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}
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#endif
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