mirror of https://github.com/tailix/libkernaux.git
105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
#include <kernaux/multiboot2.h>
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#include <assert.h>
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#include <kernaux/macro/packing_start.run>
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KERNAUX_ALIGNED(KERNAUX_MULTIBOOT2_HEADER_ALIGN)
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static const struct {
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struct KernAux_Multiboot2_Header header;
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// This macro may be used to create the tag
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// of type "KernAux_Multiboot2_HTag_InfoReq"
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// when the number of requested information
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// tag types is even (n % 2 == 0).
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//
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// cppcheck-suppress unknownMacro
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KERNAUX_MULTIBOOT2_HFIELDS_INFO_REQ_EVEN(
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// This is the name of the structure field.
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tag_info_req_even,
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// This is the number of requested information tag types.
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// IT MUST BE EVEN!!! (n % 2 == 0)
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2
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)
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// This macro may be used to create the tag
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// of type "KernAux_Multiboot2_HTag_InfoReq"
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// when the number of requested information
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// tag types is odd (n % 2 == 1).
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//
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// cppcheck-suppress unknownMacro
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KERNAUX_MULTIBOOT2_HFIELDS_INFO_REQ_ODD(
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// This is the name of the structure field.
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tag_info_req_odd,
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// This is the number of requested information tag types.
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// IT MUST BE ODD!!! (n % 2 == 1)
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1,
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// This is the name of the additional structure field
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// which will be used to align the following tags properly.
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// You may keep it unassigned.
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_align1
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)
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// This macro may be used for all other header tag types.
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//
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// cppcheck-suppress unknownMacro
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KERNAUX_MULTIBOOT2_HFIELDS_COMMON(
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// This is the name of the structure field.
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tag_none,
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// This is the type of the structure field
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// without the "KernAux_Multiboot2_HTag_" prefix.
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None
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)
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}
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KERNAUX_PACKED
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multiboot2_header = {
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.header = {
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.magic = KERNAUX_MULTIBOOT2_HEADER_MAGIC,
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.arch = KERNAUX_MULTIBOOT2_HEADER_ARCH_I386,
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.total_size = sizeof(multiboot2_header),
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// This macro helps to calculate the checksum.
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.checksum = KERNAUX_MULTIBOOT2_HEADER_CHECKSUM(
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KERNAUX_MULTIBOOT2_HEADER_ARCH_I386,
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sizeof(multiboot2_header)
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),
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},
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.tag_info_req_even = {
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.tag = {
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.base = {
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.type = KERNAUX_MULTIBOOT2_HTAG_INFO_REQ,
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.flags = KERNAUX_MULTIBOOT2_HTAG_BASE_FLAG_OPTIONAL,
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.size = sizeof(multiboot2_header.tag_info_req_even),
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},
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},
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.mbi_tag_types = {
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KERNAUX_MULTIBOOT2_ITAG_BOOT_CMD_LINE,
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KERNAUX_MULTIBOOT2_ITAG_BOOT_LOADER_NAME,
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},
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},
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.tag_info_req_odd = {
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.tag = {
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.base = {
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.type = KERNAUX_MULTIBOOT2_HTAG_INFO_REQ,
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.flags = KERNAUX_MULTIBOOT2_HTAG_BASE_FLAG_OPTIONAL,
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.size = sizeof(multiboot2_header.tag_info_req_odd),
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},
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},
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.mbi_tag_types = {
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KERNAUX_MULTIBOOT2_ITAG_ELF_SYMBOLS,
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},
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},
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.tag_none = {
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.tag = {
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.base = {
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.type = KERNAUX_MULTIBOOT2_HTAG_NONE,
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.flags = 0,
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.size = sizeof(multiboot2_header.tag_none),
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},
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},
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},
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};
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#include <kernaux/macro/packing_end.run>
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void example_main()
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{
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assert(KernAux_Multiboot2_Header_is_valid(&multiboot2_header.header));
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}
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