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feat: start adding physical memory allocator

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This commit is contained in:
Katharina 2026-06-28 16:19:21 +02:00
parent 8dc53f662e
commit e2ea22ad53
15 changed files with 440 additions and 38 deletions
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39
kernel/include/init/multiboot2.h
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@ -34,6 +34,34 @@ enum class tag_type : uint32_t {
load_base_addr = 24,
};
inline constexpr const char* get_tag_name(tag_type type) {
switch (type) {
case tag_type::end: return "end";
case tag_type::cmdline: return "cmdline";
case tag_type::boot_loader_name: return "boot_loader_name";
case tag_type::module: return "module";
case tag_type::basic_meminfo: return "basic_meminfo";
case tag_type::bootdev: return "bootdev";
case tag_type::mmap: return "mmap";
case tag_type::vbe: return "vbe";
case tag_type::framebuffer: return "framebuffer";
case tag_type::elf_sections: return "elf_sections";
case tag_type::apm: return "apm";
case tag_type::efi32: return "efi32";
case tag_type::efi64: return "efi64";
case tag_type::smbios: return "smbios";
case tag_type::acpi_old: return "acpi_old";
case tag_type::acpi_new: return "acpi_new";
case tag_type::network: return "network";
case tag_type::efi_mmap: return "efi_mmap";
case tag_type::efi_bs: return "efi_bs";
case tag_type::efi32_ih: return "efi32_ih";
case tag_type::efi64_ih: return "efi64_ih";
case tag_type::load_base_addr: return "load_base_addr";
}
return "";
}
enum class framebuffer_type : uint8_t {
indexed = 0,
rgb = 1,
@ -48,6 +76,17 @@ enum class mem_type : uint32_t {
badram = 5,
};
inline constexpr const char* get_mem_type_name(mem_type type) {
switch (type) {
case mem_type::available: return "available";
case mem_type::reserved: return "reserved";
case mem_type::acpi_reclaimable: return "acpi_reclaimable";
case mem_type::nvs: return "nvs";
case mem_type::badram: return "badram";
default: return "unknown";
}
}
struct color {
uint8_t red;
uint8_t green;