boot/boot.h


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#ifndef JOVE_BOOT_H
#define JOVE_BOOT_H 1

#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>

struct MemoryMapEntry {
    uintptr_t base;
    size_t length;
    bool usable;
};

#define MEMORY_MAP_MAX_ENTRIES 128
struct MemoryMap {
    size_t count;
    struct MemoryMapEntry entries[MEMORY_MAP_MAX_ENTRIES];
};

#define BOOT_MODULE_MAX_ENTRIES 4
struct BootModule {
    char *path;
    char *cmdline;
    size_t size;
    uintptr_t addr;
};

#define KERNEL_INITIAL_STACK_WIDTH (0x1000 * 4)
extern void *boot_kernel_initial_stack_base;
extern uintptr_t boot_kernel_physical_address;
extern const char *boot_kernel_cmdline;

extern struct MemoryMap boot_memorymap;

extern struct BootModule boot_modules[BOOT_MODULE_MAX_ENTRIES];
extern size_t boot_module_count;

#define boot_kernel_virtual_base 0xFFFFFFFF80000000ULL

#endif