ref: update formatting
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7d0155d8ce
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024407225c
16 changed files with 433 additions and 377 deletions
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@ -1,89 +1,117 @@
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#pragma once
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#include "util/number.h"
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#include "util/function.h"
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#include "memory/pointer.h"
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#include "util/function.h"
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#include "util/number.h"
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namespace multiboot {
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inline constexpr uint32_t magic = 0x36d76289;
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inline constexpr uint32_t magic = 0x36d76289;
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inline constexpr uint32_t alignment = 8;
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enum class tag_type : uint32_t {
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end = 0,
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cmdline = 1,
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end = 0,
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cmdline = 1,
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boot_loader_name = 2,
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module = 3,
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basic_meminfo = 4,
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bootdev = 5,
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mmap = 6,
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vbe = 7,
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framebuffer = 8,
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elf_sections = 9,
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apm = 10,
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efi32 = 11,
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efi64 = 12,
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smbios = 13,
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acpi_old = 14,
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acpi_new = 15,
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network = 16,
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efi_mmap = 17,
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efi_bs = 18,
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efi32_ih = 19,
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efi64_ih = 20,
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load_base_addr = 21,
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module = 3,
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basic_meminfo = 4,
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bootdev = 5,
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mmap = 6,
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vbe = 7,
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framebuffer = 8,
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elf_sections = 9,
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apm = 10,
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efi32 = 11,
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efi64 = 12,
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smbios = 13,
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acpi_old = 14,
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acpi_new = 15,
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network = 16,
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efi_mmap = 17,
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efi_bs = 18,
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efi32_ih = 19,
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efi64_ih = 20,
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load_base_addr = 21,
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};
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inline constexpr const char* get_tag_name(tag_type type) {
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switch (type) {
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case tag_type::end: return "end";
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case tag_type::cmdline: return "cmdline";
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case tag_type::boot_loader_name: return "boot_loader_name";
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case tag_type::module: return "module";
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case tag_type::basic_meminfo: return "basic_meminfo";
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case tag_type::bootdev: return "bootdev";
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case tag_type::mmap: return "mmap";
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case tag_type::vbe: return "vbe";
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case tag_type::framebuffer: return "framebuffer";
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case tag_type::elf_sections: return "elf_sections";
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case tag_type::apm: return "apm";
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case tag_type::efi32: return "efi32";
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case tag_type::efi64: return "efi64";
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case tag_type::smbios: return "smbios";
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case tag_type::acpi_old: return "acpi_old";
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case tag_type::acpi_new: return "acpi_new";
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case tag_type::network: return "network";
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case tag_type::efi_mmap: return "efi_mmap";
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case tag_type::efi_bs: return "efi_bs";
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case tag_type::efi32_ih: return "efi32_ih";
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case tag_type::efi64_ih: return "efi64_ih";
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case tag_type::load_base_addr: return "load_base_addr";
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case tag_type::end:
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return "end";
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case tag_type::cmdline:
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return "cmdline";
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case tag_type::boot_loader_name:
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return "boot_loader_name";
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case tag_type::module:
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return "module";
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case tag_type::basic_meminfo:
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return "basic_meminfo";
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case tag_type::bootdev:
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return "bootdev";
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case tag_type::mmap:
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return "mmap";
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case tag_type::vbe:
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return "vbe";
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case tag_type::framebuffer:
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return "framebuffer";
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case tag_type::elf_sections:
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return "elf_sections";
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case tag_type::apm:
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return "apm";
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case tag_type::efi32:
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return "efi32";
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case tag_type::efi64:
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return "efi64";
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case tag_type::smbios:
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return "smbios";
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case tag_type::acpi_old:
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return "acpi_old";
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case tag_type::acpi_new:
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return "acpi_new";
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case tag_type::network:
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return "network";
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case tag_type::efi_mmap:
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return "efi_mmap";
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case tag_type::efi_bs:
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return "efi_bs";
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case tag_type::efi32_ih:
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return "efi32_ih";
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case tag_type::efi64_ih:
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return "efi64_ih";
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case tag_type::load_base_addr:
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return "load_base_addr";
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}
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return "";
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}
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enum class framebuffer_type : uint8_t {
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indexed = 0,
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rgb = 1,
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indexed = 0,
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rgb = 1,
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ega_text = 2,
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};
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enum class mem_type : uint32_t {
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available = 1,
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reserved = 2,
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available = 1,
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reserved = 2,
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acpi_reclaimable = 3,
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nvs = 4,
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badram = 5,
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nvs = 4,
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badram = 5,
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};
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inline constexpr const char* get_mem_type_name(mem_type type) {
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switch (type) {
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case mem_type::available: return "available";
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case mem_type::reserved: return "reserved";
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case mem_type::acpi_reclaimable: return "acpi_reclaimable";
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case mem_type::nvs: return "nvs";
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case mem_type::badram: return "badram";
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default: return "unknown";
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case mem_type::available:
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return "available";
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case mem_type::reserved:
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return "reserved";
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case mem_type::acpi_reclaimable:
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return "acpi_reclaimable";
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case mem_type::nvs:
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return "nvs";
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case mem_type::badram:
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return "badram";
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default:
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return "unknown";
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}
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}
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@ -108,7 +136,7 @@ struct tag {
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struct tag_string {
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tag_type type;
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uint32_t size;
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char string[0];
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char string[0];
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};
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struct tag_module {
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@ -116,7 +144,7 @@ struct tag_module {
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uint32_t size;
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uint32_t mod_start;
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uint32_t mod_end;
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char cmdline[0];
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char cmdline[0];
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};
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struct tag_basic_meminfo {
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@ -135,11 +163,11 @@ struct tag_bootdev {
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};
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struct tag_mmap {
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tag_type type;
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uint32_t size;
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uint32_t entry_size;
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uint32_t entry_version;
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mem_entry entries[0];
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tag_type type;
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uint32_t size;
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uint32_t entry_size;
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uint32_t entry_version;
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mem_entry entries[0];
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};
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struct vbe_info_block {
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@ -151,32 +179,31 @@ struct vbe_mode_info_block {
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};
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struct tag_vbe {
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tag_type type;
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uint32_t size;
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uint16_t vbe_mode;
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uint16_t vbe_interface_seg;
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uint16_t vbe_interface_off;
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uint16_t vbe_interface_len;
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vbe_info_block vbe_control_info;
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tag_type type;
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uint32_t size;
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uint16_t vbe_mode;
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uint16_t vbe_interface_seg;
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uint16_t vbe_interface_off;
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uint16_t vbe_interface_len;
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vbe_info_block vbe_control_info;
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vbe_mode_info_block vbe_mode_info;
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};
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struct tag_framebuffer {
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tag_type type;
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uint32_t size;
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uint64_t framebuffer_addr;
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uint32_t framebuffer_pitch;
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uint32_t framebuffer_width;
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uint32_t framebuffer_height;
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uint8_t framebuffer_bpp;
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tag_type type;
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uint32_t size;
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uint64_t framebuffer_addr;
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uint32_t framebuffer_pitch;
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uint32_t framebuffer_width;
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uint32_t framebuffer_height;
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uint8_t framebuffer_bpp;
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framebuffer_type framebuffer_type;
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uint16_t reserved;
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uint16_t reserved;
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union {
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struct {
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uint16_t framebuffer_palette_num_colors;
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color framebuffer_palette[0];
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color framebuffer_palette[0];
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};
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struct {
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uint8_t framebuffer_red_field_position;
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@ -195,7 +222,7 @@ struct tag_elf_sections {
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uint32_t num;
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uint32_t entsize;
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uint32_t shndx;
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char sections[0];
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char sections[0];
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};
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struct tag_apm {
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@ -227,28 +254,28 @@ struct tag_efi64 {
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struct tag_smbios {
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tag_type type;
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uint32_t size;
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uint8_t major;
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uint8_t minor;
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uint8_t reserved[6];
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uint8_t tables[0];
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uint8_t major;
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uint8_t minor;
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uint8_t reserved[6];
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uint8_t tables[0];
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};
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struct tag_old_acpi {
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tag_type type;
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uint32_t size;
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uint8_t rsdp[0];
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uint8_t rsdp[0];
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};
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struct tag_new_acpi {
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tag_type type;
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uint32_t size;
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uint8_t rsdp[0];
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uint8_t rsdp[0];
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};
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struct tag_network {
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tag_type type;
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uint32_t size;
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uint8_t dhcpack[0];
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uint8_t dhcpack[0];
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};
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struct tag_efi_mmap {
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@ -256,7 +283,7 @@ struct tag_efi_mmap {
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uint32_t size;
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uint32_t descr_size;
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uint32_t descr_vers;
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uint8_t efi_mmap[0];
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uint8_t efi_mmap[0];
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};
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struct tag_efi32_ih {
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@ -290,34 +317,35 @@ inline info* get_multiboot_info() {
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template<typename Fn>
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void visit(const tag* t, Fn&& fn) {
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#define MB_DISPATCH(tag_enum, TagType) \
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case tag_type::tag_enum: \
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if constexpr (requires { fn(static_cast<const TagType*>(nullptr)); }) \
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fn(reinterpret_cast<const TagType*>(t)); \
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#define MB_DISPATCH(tag_enum, TagType) \
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case tag_type::tag_enum: \
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if constexpr (requires { fn(static_cast<const TagType*>(nullptr)); }) \
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fn(reinterpret_cast<const TagType*>(t)); \
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break;
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switch (t->type) {
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MB_DISPATCH(cmdline, tag_string)
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MB_DISPATCH(cmdline, tag_string)
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MB_DISPATCH(boot_loader_name, tag_string)
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MB_DISPATCH(module, tag_module)
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MB_DISPATCH(basic_meminfo, tag_basic_meminfo)
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MB_DISPATCH(bootdev, tag_bootdev)
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MB_DISPATCH(mmap, tag_mmap)
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MB_DISPATCH(vbe, tag_vbe)
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MB_DISPATCH(framebuffer, tag_framebuffer)
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MB_DISPATCH(elf_sections, tag_elf_sections)
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MB_DISPATCH(apm, tag_apm)
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MB_DISPATCH(efi32, tag_efi32)
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MB_DISPATCH(efi64, tag_efi64)
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MB_DISPATCH(smbios, tag_smbios)
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MB_DISPATCH(acpi_old, tag_old_acpi)
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MB_DISPATCH(acpi_new, tag_new_acpi)
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MB_DISPATCH(network, tag_network)
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MB_DISPATCH(efi_mmap, tag_efi_mmap)
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MB_DISPATCH(efi32_ih, tag_efi32_ih)
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MB_DISPATCH(efi64_ih, tag_efi64_ih)
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MB_DISPATCH(load_base_addr, tag_load_base_addr)
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default: break;
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MB_DISPATCH(module, tag_module)
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MB_DISPATCH(basic_meminfo, tag_basic_meminfo)
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MB_DISPATCH(bootdev, tag_bootdev)
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MB_DISPATCH(mmap, tag_mmap)
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MB_DISPATCH(vbe, tag_vbe)
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MB_DISPATCH(framebuffer, tag_framebuffer)
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MB_DISPATCH(elf_sections, tag_elf_sections)
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MB_DISPATCH(apm, tag_apm)
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MB_DISPATCH(efi32, tag_efi32)
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MB_DISPATCH(efi64, tag_efi64)
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MB_DISPATCH(smbios, tag_smbios)
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MB_DISPATCH(acpi_old, tag_old_acpi)
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MB_DISPATCH(acpi_new, tag_new_acpi)
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MB_DISPATCH(network, tag_network)
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MB_DISPATCH(efi_mmap, tag_efi_mmap)
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MB_DISPATCH(efi32_ih, tag_efi32_ih)
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MB_DISPATCH(efi64_ih, tag_efi64_ih)
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MB_DISPATCH(load_base_addr, tag_load_base_addr)
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default:
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break;
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}
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#undef MB_DISPATCH
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@ -329,7 +357,8 @@ void visit_all(const info* mb, Fn&& fn) {
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const auto end = reinterpret_cast<const uint8_t*>(mb) + mb->total_size;
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while (ptr < end) {
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auto t = reinterpret_cast<const tag*>(ptr);
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if (t->type == tag_type::end) break;
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if (t->type == tag_type::end)
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break;
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visit(t, fn);
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ptr += (t->size + alignment - 1) & ~(alignment - 1);
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}
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