Initial commit
This commit is contained in:
@@ -0,0 +1,70 @@
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#include <kernel/cmdline.h>
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#include <kernel/init.h>
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#include <stddef.h>
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#include <string.h>
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// Defined in linker script.
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extern struct cmdline_option __ld_cmdline_start[];
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extern struct cmdline_option __ld_cmdline_end[];
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static char cmdline_buf[CMDLINE_MAX];
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[[__init]]
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void cmdline_parse(const char* cmdline) {
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struct cmdline_option* opt = __ld_cmdline_start;
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const size_t len = strnlen(cmdline, CMDLINE_MAX - 1);
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size_t idx = 0;
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memcpy(cmdline_buf, cmdline, len);
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while (1) {
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char* name = nullptr;
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char* value = nullptr;
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// Skip all leading spaces.
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while (idx < len && cmdline_buf[idx] == ' ')
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idx++;
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if (idx >= len)
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break;
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size_t name_idx = idx;
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name = cmdline_buf + name_idx;
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// Find the next equal sign or space.
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while (idx < len && cmdline_buf[idx] != '=' && cmdline_buf[idx] != ' ')
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idx++;
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if (idx > len)
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break;
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// Check if the option has a value (=foo).
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char seperator = cmdline_buf[idx];
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cmdline_buf[idx++] = 0;
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if (seperator == '=') {
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// Check if we need to escape the value.
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char check;
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if (cmdline_buf[idx] == '"') {
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check = '"';
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cmdline_buf[idx++] = 0;
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} else {
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check = ' ';
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}
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value = cmdline_buf + idx;
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// Skip the value.
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while (idx < len && cmdline_buf[idx] != check)
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idx++;
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if (idx > len)
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break;
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cmdline_buf[idx++] = 0;
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}
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// Find the corresponding option.
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while (opt < __ld_cmdline_end) {
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if (!strcmp(opt->name, name))
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opt->func(value);
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opt++;
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}
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if (idx >= len)
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break;
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}
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}
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@@ -0,0 +1,85 @@
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#include <kernel/assert.h>
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#include <kernel/cmdline.h>
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#include <kernel/common.h>
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#include <kernel/init.h>
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#include <kernel/mem.h>
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#include <kernel/print.h>
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#include "limine.h"
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[[__initdata_sorted("limine.0")]]
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static volatile uint64_t limine_start[] = LIMINE_REQUESTS_START_MARKER;
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[[__initdata_sorted("limine.1")]]
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static volatile uint64_t limine_revision[] = LIMINE_BASE_REVISION(4);
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[[__initdata_sorted("limine.2")]]
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static volatile uint64_t limine_end[] = LIMINE_REQUESTS_END_MARKER;
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#define LIMINE_REQUEST(request, tag, rev) \
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[[__initdata_sorted("limine.1")]] \
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static volatile struct limine_##request request = { \
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.id = tag, \
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.revision = rev, \
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.response = nullptr, \
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}
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LIMINE_REQUEST(memmap_request, LIMINE_MEMMAP_REQUEST_ID, 0);
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LIMINE_REQUEST(hhdm_request, LIMINE_HHDM_REQUEST_ID, 0);
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LIMINE_REQUEST(executable_address_request, LIMINE_EXECUTABLE_ADDRESS_REQUEST_ID, 0);
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LIMINE_REQUEST(executable_file_request, LIMINE_EXECUTABLE_FILE_REQUEST_ID, 0);
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LIMINE_REQUEST(framebuffer_request, LIMINE_FRAMEBUFFER_REQUEST_ID, 1);
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LIMINE_REQUEST(module_request, LIMINE_MODULE_REQUEST_ID, 0);
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LIMINE_REQUEST(dtb_request, LIMINE_DTB_REQUEST_ID, 0);
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LIMINE_REQUEST(rsdp_request, LIMINE_RSDP_REQUEST_ID, 0);
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[[__initdata]]
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static struct phys_mem mem[128];
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[[__initdata]]
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static struct boot_file files[8];
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[[__init]]
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void kernel_entry() {
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kernel_early_init();
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struct boot_info info;
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struct limine_memmap_response* mm_res = memmap_request.response;
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struct limine_module_response* module_res = module_request.response;
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struct limine_executable_address_response* exec_res = executable_address_request.response;
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struct limine_executable_file_response* exec_file_res = executable_file_request.response;
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info.cmdline = exec_file_res->executable_file->string;
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info.num_mem_maps = MIN(ARRAY_SIZE(mem), mm_res->entry_count);
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for (size_t i = 0; i < info.num_mem_maps; i++) {
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mem[i].address = mm_res->entries[i]->base;
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mem[i].length = mm_res->entries[i]->length;
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switch (mm_res->entries[i]->type) {
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case LIMINE_MEMMAP_USABLE:
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mem[i].usage = PHYS_USABLE;
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break;
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case LIMINE_MEMMAP_ACPI_RECLAIMABLE:
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case LIMINE_MEMMAP_BOOTLOADER_RECLAIMABLE:
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mem[i].usage = PHYS_RECLAIMABLE;
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break;
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default:
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mem[i].usage = PHYS_RESERVED;
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break;
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}
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}
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if (module_res) {
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info.num_files = MIN(ARRAY_SIZE(files), module_res->module_count);
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for (size_t i = 0; i < info.num_files; i++) {
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files[i].data = module_res->modules[i]->address;
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files[i].length = module_res->modules[i]->size;
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files[i].path = module_res->modules[i]->path;
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}
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}
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info.mem_map = mem;
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info.phys_base = (phys_t)exec_res->physical_base;
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info.virt_base = (virt_t)exec_res->virtual_base;
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info.hhdm_base = (virt_t)hhdm_request.response->offset;
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kernel_main(&info);
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}
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@@ -0,0 +1,576 @@
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/* BSD Zero Clause License */
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/* Copyright (C) 2022-2025 Mintsuki and contributors.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef LIMINE_H
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#define LIMINE_H 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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/* Misc */
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#ifdef LIMINE_NO_POINTERS
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#define LIMINE_PTR(TYPE) uint64_t
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#else
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#define LIMINE_PTR(TYPE) TYPE
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#endif
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#define LIMINE_REQUESTS_START_MARKER {0xf6b8f4b39de7d1ae, 0xfab91a6940fcb9cf, 0x785c6ed015d3e316, 0x181e920a7852b9d9}
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#define LIMINE_REQUESTS_END_MARKER {0xadc0e0531bb10d03, 0x9572709f31764c62}
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#define LIMINE_BASE_REVISION(N) {0xf9562b2d5c95a6c8, 0x6a7b384944536bdc, (N)}
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#define LIMINE_BASE_REVISION_SUPPORTED(VAR) ((VAR)[2] == 0)
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#define LIMINE_LOADED_BASE_REVISION_VALID(VAR) ((VAR)[1] != 0x6a7b384944536bdc)
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#define LIMINE_LOADED_BASE_REVISION(VAR) ((VAR)[1])
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#define LIMINE_COMMON_MAGIC 0xc7b1dd30df4c8b88, 0x0a82e883a194f07b
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struct limine_uuid {
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uint32_t a;
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uint16_t b;
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uint16_t c;
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uint8_t d[8];
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};
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#define LIMINE_MEDIA_TYPE_GENERIC 0
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#define LIMINE_MEDIA_TYPE_OPTICAL 1
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#define LIMINE_MEDIA_TYPE_TFTP 2
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struct limine_file {
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uint64_t revision;
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LIMINE_PTR(void*) address;
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uint64_t size;
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LIMINE_PTR(char*) path;
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LIMINE_PTR(char*) string;
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uint32_t media_type;
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uint32_t unused;
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uint32_t tftp_ip;
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uint32_t tftp_port;
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uint32_t partition_index;
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uint32_t mbr_disk_id;
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struct limine_uuid gpt_disk_uuid;
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struct limine_uuid gpt_part_uuid;
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struct limine_uuid part_uuid;
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};
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/* Boot info */
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#define LIMINE_BOOTLOADER_INFO_REQUEST_ID {LIMINE_COMMON_MAGIC, 0xf55038d8e2a1202f, 0x279426fcf5f59740}
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struct limine_bootloader_info_response {
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uint64_t revision;
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LIMINE_PTR(char*) name;
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LIMINE_PTR(char*) version;
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};
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struct limine_bootloader_info_request {
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uint64_t id[4];
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uint64_t revision;
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LIMINE_PTR(struct limine_bootloader_info_response*) response;
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};
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/* Executable command line */
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#define LIMINE_EXECUTABLE_CMDLINE_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x4b161536e598651e, 0xb390ad4a2f1f303a}
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struct limine_executable_cmdline_response {
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uint64_t revision;
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LIMINE_PTR(char*) cmdline;
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};
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struct limine_executable_cmdline_request {
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uint64_t id[4];
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uint64_t revision;
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LIMINE_PTR(struct limine_executable_cmdline_response*) response;
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};
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/* Firmware type */
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#define LIMINE_FIRMWARE_TYPE_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x8c2f75d90bef28a8, 0x7045a4688eac00c3}
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#define LIMINE_FIRMWARE_TYPE_X86BIOS 0
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#define LIMINE_FIRMWARE_TYPE_EFI32 1
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#define LIMINE_FIRMWARE_TYPE_EFI64 2
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#define LIMINE_FIRMWARE_TYPE_SBI 3
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struct limine_firmware_type_response {
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uint64_t revision;
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uint64_t firmware_type;
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};
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struct limine_firmware_type_request {
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uint64_t id[4];
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uint64_t revision;
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LIMINE_PTR(struct limine_firmware_type_response*) response;
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};
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/* Stack size */
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#define LIMINE_STACK_SIZE_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x224ef0460a8e8926, 0xe1cb0fc25f46ea3d}
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struct limine_stack_size_response {
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uint64_t revision;
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};
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struct limine_stack_size_request {
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uint64_t id[4];
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uint64_t revision;
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LIMINE_PTR(struct limine_stack_size_response*) response;
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uint64_t stack_size;
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};
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/* HHDM */
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#define LIMINE_HHDM_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x48dcf1cb8ad2b852, 0x63984e959a98244b}
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struct limine_hhdm_response {
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uint64_t revision;
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uint64_t offset;
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};
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struct limine_hhdm_request {
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uint64_t id[4];
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uint64_t revision;
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LIMINE_PTR(struct limine_hhdm_response*) response;
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};
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/* Framebuffer */
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#define LIMINE_FRAMEBUFFER_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x9d5827dcd881dd75, 0xa3148604f6fab11b}
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#define LIMINE_FRAMEBUFFER_RGB 1
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struct limine_video_mode {
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uint64_t pitch;
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uint64_t width;
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uint64_t height;
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uint16_t bpp;
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uint8_t memory_model;
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uint8_t red_mask_size;
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uint8_t red_mask_shift;
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uint8_t green_mask_size;
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uint8_t green_mask_shift;
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uint8_t blue_mask_size;
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uint8_t blue_mask_shift;
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};
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struct limine_framebuffer {
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LIMINE_PTR(void*) address;
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uint64_t width;
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uint64_t height;
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uint64_t pitch;
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uint16_t bpp;
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uint8_t memory_model;
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uint8_t red_mask_size;
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uint8_t red_mask_shift;
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uint8_t green_mask_size;
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uint8_t green_mask_shift;
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uint8_t blue_mask_size;
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uint8_t blue_mask_shift;
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uint8_t unused[7];
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uint64_t edid_size;
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LIMINE_PTR(void*) edid;
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/* Response revision 1 */
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uint64_t mode_count;
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LIMINE_PTR(struct limine_video_mode**) modes;
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};
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struct limine_framebuffer_response {
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uint64_t revision;
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uint64_t framebuffer_count;
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LIMINE_PTR(struct limine_framebuffer**) framebuffers;
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};
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struct limine_framebuffer_request {
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uint64_t id[4];
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uint64_t revision;
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LIMINE_PTR(struct limine_framebuffer_response*) response;
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};
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/* Paging mode */
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#define LIMINE_PAGING_MODE_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x95c1a0edab0944cb, 0xa4e5cb3842f7488a}
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#if defined(__x86_64__) || defined(__i386__)
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#define LIMINE_PAGING_MODE_X86_64_4LVL 0
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#define LIMINE_PAGING_MODE_X86_64_5LVL 1
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#define LIMINE_PAGING_MODE_MIN LIMINE_PAGING_MODE_X86_64_4LVL
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#define LIMINE_PAGING_MODE_DEFAULT LIMINE_PAGING_MODE_X86_64_4LVL
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#elif defined(__aarch64__)
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#define LIMINE_PAGING_MODE_AARCH64_4LVL 0
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#define LIMINE_PAGING_MODE_AARCH64_5LVL 1
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#define LIMINE_PAGING_MODE_MIN LIMINE_PAGING_MODE_AARCH64_4LVL
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#define LIMINE_PAGING_MODE_DEFAULT LIMINE_PAGING_MODE_AARCH64_4LVL
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#elif defined(__riscv) && (__riscv_xlen == 64)
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#define LIMINE_PAGING_MODE_RISCV_SV39 0
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#define LIMINE_PAGING_MODE_RISCV_SV48 1
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#define LIMINE_PAGING_MODE_RISCV_SV57 2
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#define LIMINE_PAGING_MODE_MIN LIMINE_PAGING_MODE_RISCV_SV39
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#define LIMINE_PAGING_MODE_DEFAULT LIMINE_PAGING_MODE_RISCV_SV48
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#elif defined(__loongarch__) && (__loongarch_grlen == 64)
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#define LIMINE_PAGING_MODE_LOONGARCH64_4LVL 0
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#define LIMINE_PAGING_MODE_MIN LIMINE_PAGING_MODE_LOONGARCH64_4LVL
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#define LIMINE_PAGING_MODE_DEFAULT LIMINE_PAGING_MODE_LOONGARCH64_4LVL
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#else
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#error Unknown architecture
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#endif
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struct limine_paging_mode_response {
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uint64_t revision;
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uint64_t mode;
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};
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struct limine_paging_mode_request {
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uint64_t id[4];
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uint64_t revision;
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LIMINE_PTR(struct limine_paging_mode_response*) response;
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uint64_t mode;
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uint64_t max_mode;
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uint64_t min_mode;
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};
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/* MP */
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#define LIMINE_MP_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x95a67b819a1b857e, 0xa0b61b723b6a73e0}
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struct limine_mp_info;
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typedef void (*limine_goto_address)(struct limine_mp_info*);
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#if defined(__x86_64__) || defined(__i386__)
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#define LIMINE_MP_X2APIC (1 << 0)
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struct limine_mp_info {
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uint32_t processor_id;
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uint32_t lapic_id;
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uint64_t reserved;
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LIMINE_PTR(limine_goto_address) goto_address;
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uint64_t extra_argument;
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};
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struct limine_mp_response {
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uint64_t revision;
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uint32_t flags;
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uint32_t bsp_lapic_id;
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uint64_t cpu_count;
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LIMINE_PTR(struct limine_mp_info**) cpus;
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};
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#elif defined(__aarch64__)
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struct limine_mp_info {
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uint32_t processor_id;
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uint32_t reserved1;
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uint64_t mpidr;
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uint64_t reserved;
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LIMINE_PTR(limine_goto_address) goto_address;
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uint64_t extra_argument;
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};
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struct limine_mp_response {
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uint64_t revision;
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uint64_t flags;
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uint64_t bsp_mpidr;
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uint64_t cpu_count;
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LIMINE_PTR(struct limine_mp_info**) cpus;
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};
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#elif defined(__riscv) && (__riscv_xlen == 64)
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||||
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struct limine_mp_info {
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||||
uint64_t processor_id;
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||||
uint64_t hartid;
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||||
uint64_t reserved;
|
||||
LIMINE_PTR(limine_goto_address) goto_address;
|
||||
uint64_t extra_argument;
|
||||
};
|
||||
|
||||
struct limine_mp_response {
|
||||
uint64_t revision;
|
||||
uint64_t flags;
|
||||
uint64_t bsp_hartid;
|
||||
uint64_t cpu_count;
|
||||
LIMINE_PTR(struct limine_mp_info**) cpus;
|
||||
};
|
||||
|
||||
#elif defined(__loongarch__) && (__loongarch_grlen == 64)
|
||||
|
||||
struct limine_mp_info {
|
||||
uint64_t reserved;
|
||||
};
|
||||
|
||||
struct limine_mp_response {
|
||||
uint64_t cpu_count;
|
||||
LIMINE_PTR(struct limine_mp_info**) cpus;
|
||||
};
|
||||
|
||||
#else
|
||||
#error Unknown architecture
|
||||
#endif
|
||||
|
||||
struct limine_mp_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_mp_response*) response;
|
||||
uint64_t flags;
|
||||
};
|
||||
|
||||
/* Memory map */
|
||||
|
||||
#define LIMINE_MEMMAP_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x67cf3d9d378a806f, 0xe304acdfc50c3c62}
|
||||
|
||||
#define LIMINE_MEMMAP_USABLE 0
|
||||
#define LIMINE_MEMMAP_RESERVED 1
|
||||
#define LIMINE_MEMMAP_ACPI_RECLAIMABLE 2
|
||||
#define LIMINE_MEMMAP_ACPI_NVS 3
|
||||
#define LIMINE_MEMMAP_BAD_MEMORY 4
|
||||
#define LIMINE_MEMMAP_BOOTLOADER_RECLAIMABLE 5
|
||||
#define LIMINE_MEMMAP_EXECUTABLE_AND_MODULES 6
|
||||
#define LIMINE_MEMMAP_FRAMEBUFFER 7
|
||||
#define LIMINE_MEMMAP_ACPI_TABLES 8
|
||||
|
||||
struct limine_memmap_entry {
|
||||
uint64_t base;
|
||||
uint64_t length;
|
||||
uint64_t type;
|
||||
};
|
||||
|
||||
struct limine_memmap_response {
|
||||
uint64_t revision;
|
||||
uint64_t entry_count;
|
||||
LIMINE_PTR(struct limine_memmap_entry**) entries;
|
||||
};
|
||||
|
||||
struct limine_memmap_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_memmap_response*) response;
|
||||
};
|
||||
|
||||
/* Entry point */
|
||||
|
||||
#define LIMINE_ENTRY_POINT_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x13d86c035a1cd3e1, 0x2b0caa89d8f3026a}
|
||||
|
||||
typedef void (*limine_entry_point)(void);
|
||||
|
||||
struct limine_entry_point_response {
|
||||
uint64_t revision;
|
||||
};
|
||||
|
||||
struct limine_entry_point_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_entry_point_response*) response;
|
||||
LIMINE_PTR(limine_entry_point) entry;
|
||||
};
|
||||
|
||||
/* Executable File */
|
||||
|
||||
#define LIMINE_EXECUTABLE_FILE_REQUEST_ID {LIMINE_COMMON_MAGIC, 0xad97e90e83f1ed67, 0x31eb5d1c5ff23b69}
|
||||
|
||||
struct limine_executable_file_response {
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_file*) executable_file;
|
||||
};
|
||||
|
||||
struct limine_executable_file_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_executable_file_response*) response;
|
||||
};
|
||||
|
||||
/* Module */
|
||||
|
||||
#define LIMINE_MODULE_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x3e7e279702be32af, 0xca1c4f3bd1280cee}
|
||||
|
||||
#define LIMINE_INTERNAL_MODULE_REQUIRED (1 << 0)
|
||||
#define LIMINE_INTERNAL_MODULE_COMPRESSED (1 << 1)
|
||||
|
||||
struct limine_internal_module {
|
||||
LIMINE_PTR(const char*) path;
|
||||
LIMINE_PTR(const char*) string;
|
||||
uint64_t flags;
|
||||
};
|
||||
|
||||
struct limine_module_response {
|
||||
uint64_t revision;
|
||||
uint64_t module_count;
|
||||
LIMINE_PTR(struct limine_file**) modules;
|
||||
};
|
||||
|
||||
struct limine_module_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_module_response*) response;
|
||||
|
||||
/* Request revision 1 */
|
||||
uint64_t internal_module_count;
|
||||
LIMINE_PTR(struct limine_internal_module**) internal_modules;
|
||||
};
|
||||
|
||||
/* RSDP */
|
||||
|
||||
#define LIMINE_RSDP_REQUEST_ID {LIMINE_COMMON_MAGIC, 0xc5e77b6b397e7b43, 0x27637845accdcf3c}
|
||||
|
||||
struct limine_rsdp_response {
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(void*) address;
|
||||
};
|
||||
|
||||
struct limine_rsdp_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_rsdp_response*) response;
|
||||
};
|
||||
|
||||
/* SMBIOS */
|
||||
|
||||
#define LIMINE_SMBIOS_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x9e9046f11e095391, 0xaa4a520fefbde5ee}
|
||||
|
||||
struct limine_smbios_response {
|
||||
uint64_t revision;
|
||||
uint64_t entry_32;
|
||||
uint64_t entry_64;
|
||||
};
|
||||
|
||||
struct limine_smbios_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_smbios_response*) response;
|
||||
};
|
||||
|
||||
/* EFI system table */
|
||||
|
||||
#define LIMINE_EFI_SYSTEM_TABLE_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x5ceba5163eaaf6d6, 0x0a6981610cf65fcc}
|
||||
|
||||
struct limine_efi_system_table_response {
|
||||
uint64_t revision;
|
||||
uint64_t address;
|
||||
};
|
||||
|
||||
struct limine_efi_system_table_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_efi_system_table_response*) response;
|
||||
};
|
||||
|
||||
/* EFI memory map */
|
||||
|
||||
#define LIMINE_EFI_MEMMAP_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x7df62a431d6872d5, 0xa4fcdfb3e57306c8}
|
||||
|
||||
struct limine_efi_memmap_response {
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(void*) memmap;
|
||||
uint64_t memmap_size;
|
||||
uint64_t desc_size;
|
||||
uint64_t desc_version;
|
||||
};
|
||||
|
||||
struct limine_efi_memmap_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_efi_memmap_response*) response;
|
||||
};
|
||||
|
||||
/* Date at boot */
|
||||
|
||||
#define LIMINE_DATE_AT_BOOT_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x502746e184c088aa, 0xfbc5ec83e6327893}
|
||||
|
||||
struct limine_date_at_boot_response {
|
||||
uint64_t revision;
|
||||
int64_t timestamp;
|
||||
};
|
||||
|
||||
struct limine_date_at_boot_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_date_at_boot_response*) response;
|
||||
};
|
||||
|
||||
/* Executable address */
|
||||
|
||||
#define LIMINE_EXECUTABLE_ADDRESS_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x71ba76863cc55f63, 0xb2644a48c516a487}
|
||||
|
||||
struct limine_executable_address_response {
|
||||
uint64_t revision;
|
||||
uint64_t physical_base;
|
||||
uint64_t virtual_base;
|
||||
};
|
||||
|
||||
struct limine_executable_address_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_executable_address_response*) response;
|
||||
};
|
||||
|
||||
/* Device Tree Blob */
|
||||
|
||||
#define LIMINE_DTB_REQUEST_ID {LIMINE_COMMON_MAGIC, 0xb40ddb48fb54bac7, 0x545081493f81ffb7}
|
||||
|
||||
struct limine_dtb_response {
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(void*) dtb_ptr;
|
||||
};
|
||||
|
||||
struct limine_dtb_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_dtb_response*) response;
|
||||
};
|
||||
|
||||
/* RISC-V Boot Hart ID */
|
||||
|
||||
#define LIMINE_RISCV_BSP_HARTID_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x1369359f025525f9, 0x2ff2a56178391bb6}
|
||||
|
||||
struct limine_riscv_bsp_hartid_response {
|
||||
uint64_t revision;
|
||||
uint64_t bsp_hartid;
|
||||
};
|
||||
|
||||
struct limine_riscv_bsp_hartid_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_riscv_bsp_hartid_response*) response;
|
||||
};
|
||||
|
||||
/* Bootloader Performance */
|
||||
|
||||
#define LIMINE_BOOTLOADER_PERFORMANCE_REQUEST_ID {LIMINE_COMMON_MAGIC, 0x6b50ad9bf36d13ad, 0xdc4c7e88fc759e17}
|
||||
|
||||
struct limine_bootloader_performance_response {
|
||||
uint64_t revision;
|
||||
uint64_t reset_usec;
|
||||
uint64_t init_usec;
|
||||
uint64_t exec_usec;
|
||||
};
|
||||
|
||||
struct limine_bootloader_performance_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_bootloader_performance_response*) response;
|
||||
};
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1 @@
|
||||
kernel_sources += files('entry.c')
|
||||
@@ -0,0 +1,42 @@
|
||||
#include <kernel/assert.h>
|
||||
#include <kernel/cmdline.h>
|
||||
#include <kernel/compiler.h>
|
||||
#include <kernel/console.h>
|
||||
#include <kernel/init.h>
|
||||
#include <kernel/irq.h>
|
||||
#include <kernel/mem.h>
|
||||
#include <kernel/percpu.h>
|
||||
#include <kernel/print.h>
|
||||
#include <config.h>
|
||||
|
||||
const char zinnia_banner[] =
|
||||
"zinnia " ZINNIA_VERSION " (" ZINNIA_ARCH ", " ZINNIA_COMPILER_ID ", " ZINNIA_LINKER_ID ")";
|
||||
|
||||
[[__init]]
|
||||
void kernel_early_init() {
|
||||
percpu_bsp_early_init();
|
||||
percpu_get()->online = true;
|
||||
irq_lock();
|
||||
}
|
||||
|
||||
[[noreturn]]
|
||||
void kernel_main(struct boot_info* info) {
|
||||
cmdline_parse(info->cmdline);
|
||||
console_init();
|
||||
kprintf("%s\n", zinnia_banner); // Say hello!
|
||||
kprintf("Command line: \"%s\"\n", info->cmdline);
|
||||
|
||||
mem_init(info->mem_map, info->num_mem_maps, info->virt_base, info->phys_base, info->hhdm_base);
|
||||
|
||||
sched_init();
|
||||
irq_unlock();
|
||||
|
||||
while (1) {}
|
||||
}
|
||||
|
||||
[[noreturn]]
|
||||
void kernel_main_task() {
|
||||
while (1) {}
|
||||
|
||||
ASSERT(false, "Nothing to do");
|
||||
}
|
||||
@@ -0,0 +1,6 @@
|
||||
kernel_sources += files(
|
||||
'cmdline.c',
|
||||
'main.c',
|
||||
)
|
||||
|
||||
subdir('limine')
|
||||
Reference in New Issue
Block a user