secure_context.h

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#ifndef NEXUS_OS_SECURE_CONTEXT_H
#define NEXUS_OS_SECURE_CONTEXT_H
#include "nexus/core/status.h"
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define NX_FREERTOS_SECURE_MIN_STACK_BYTES 64u
typedef struct {
    uint8_t* stack;
    size_t stack_bytes;
    void* task;
    uint8_t* saved_sp;
    uint8_t* limit;
    uint8_t* top;
    uint32_t epoch;
    bool prepared;
    bool leased;
} nx_freertos_secure_context_t;

nx_result_t
nx_freertos_secure_context_prepare(nx_freertos_secure_context_t* context,
                                   void* stack, size_t bytes, void* task);
nx_result_t
nx_freertos_secure_context_rebind(nx_freertos_secure_context_t* context,
                                  void* task);
nx_freertos_secure_context_t* nx_freertos_secure_context_for_task(void* task);
typedef enum {
    NX_FREERTOS_SECURE_SEAL_FAILURE = 1,
    NX_FREERTOS_SECURE_STACK_FAILURE
} nx_freertos_secure_fault_t;

void nx_freertos_secure_fault(nx_freertos_secure_fault_t fault);
#ifdef __cplusplus
}
#endif
#endif /* NEXUS_OS_SECURE_CONTEXT_H */