utilities.h

#pragma once

#include <uacpi/types.h>
#include <uacpi/utilities.h>
#include <uacpi/internal/log.h>
#include <uacpi/internal/stdlib.h>

static inline uacpi_phys_addr uacpi_truncate_phys_addr_with_warn(uacpi_u64 large_addr)
{
    if (sizeof(uacpi_phys_addr) < 8 && large_addr > 0xFFFFFFFF) {
        uacpi_warn(
            "truncating a physical address 0x%"UACPI_PRIX64
            " outside of address space\n", UACPI_FMT64(large_addr)
        );
    }

    return (uacpi_phys_addr)large_addr;
}

#define UACPI_PTR_TO_VIRT_ADDR(ptr)   ((uacpi_virt_addr)(ptr))
#define UACPI_VIRT_ADDR_TO_PTR(vaddr) ((void*)(vaddr))

#define UACPI_PTR_ADD(ptr, value) ((void*)(((uacpi_u8*)(ptr)) + value))

/*
 * Target buffer must have a length of at least 8 bytes.
 */
void uacpi_eisa_id_to_string(uacpi_u32, uacpi_char *out_string);

enum uacpi_base {
    UACPI_BASE_AUTO,
    UACPI_BASE_OCT = 8,
    UACPI_BASE_DEC = 10,
    UACPI_BASE_HEX = 16,
};
uacpi_status uacpi_string_to_integer(
    const uacpi_char *str, uacpi_size max_chars, enum uacpi_base base,
    uacpi_u64 *out_value
);

uacpi_bool uacpi_is_valid_nameseg(uacpi_u8 *nameseg);

void uacpi_free_dynamic_string(const uacpi_char *str);

#define UACPI_NANOSECONDS_PER_SEC (1000ull * 1000ull * 1000ull)