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rulimine/test/limine.c

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#include <stdint.h>
#include <stddef.h>
#include <limine.h>
#include <e9print.h>
static void limine_main(void);
struct limine_entry_point_request entry_point_request = {
.id = LIMINE_ENTRY_POINT_REQUEST,
.revision = 0, .response = NULL,
.entry = limine_main
};
__attribute__((section(".limine_reqs")))
void *entry_point_req = &entry_point_request;
struct limine_framebuffer_request framebuffer_request = {
.id = LIMINE_FRAMEBUFFER_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *framebuffer_req = &framebuffer_request;
struct limine_framebuffer_legacy_request framebuffer_legacy_request = {
.id = LIMINE_FRAMEBUFFER_LEGACY_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *framebuffer_legacy_req = &framebuffer_legacy_request;
struct limine_bootloader_info_request bootloader_info_request = {
.id = LIMINE_BOOTLOADER_INFO_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *bootloader_info_req = &bootloader_info_request;
struct limine_hhdm_request hhdm_request = {
.id = LIMINE_HHDM_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *hhdm_req = &hhdm_request;
struct limine_memmap_request memmap_request = {
.id = LIMINE_MEMMAP_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *memmap_req = &memmap_request;
struct limine_kernel_file_request kf_request = {
.id = LIMINE_KERNEL_FILE_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *kf_req = &kf_request;
struct limine_module_request module_request = {
.id = LIMINE_MODULE_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *module_req = &module_request;
struct limine_rsdp_request rsdp_request = {
.id = LIMINE_RSDP_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *rsdp_req = &rsdp_request;
struct limine_smbios_request smbios_request = {
.id = LIMINE_SMBIOS_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *smbios_req = &smbios_request;
struct limine_efi_system_table_request est_request = {
.id = LIMINE_EFI_SYSTEM_TABLE_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *est_req = &est_request;
struct limine_boot_time_request boot_time_request = {
.id = LIMINE_BOOT_TIME_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *boot_time_req = &boot_time_request;
struct limine_kernel_address_request kernel_address_request = {
.id = LIMINE_KERNEL_ADDRESS_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *kernel_address_req = &kernel_address_request;
struct limine_smp_request _smp_request = {
.id = LIMINE_SMP_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *smp_req = &_smp_request;
struct limine_terminal_request _terminal_request = {
.id = LIMINE_TERMINAL_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *terminal_req = &_terminal_request;
struct limine_terminal_legacy_request _terminal_legacy_request = {
.id = LIMINE_TERMINAL_LEGACY_REQUEST,
.revision = 0, .response = NULL
};
__attribute__((section(".limine_reqs")))
void *terminal_legacy_req = &_terminal_legacy_request;
static char *get_memmap_type(uint64_t type) {
switch (type) {
case LIMINE_MEMMAP_USABLE:
return "Usable";
case LIMINE_MEMMAP_RESERVED:
return "Reserved";
case LIMINE_MEMMAP_ACPI_RECLAIMABLE:
return "ACPI reclaimable";
case LIMINE_MEMMAP_ACPI_NVS:
return "ACPI NVS";
case LIMINE_MEMMAP_BAD_MEMORY:
return "Bad memory";
case LIMINE_MEMMAP_BOOTLOADER_RECLAIMABLE:
return "Bootloader reclaimable";
case LIMINE_MEMMAP_KERNEL_AND_MODULES:
return "Kernel and modules";
case LIMINE_MEMMAP_FRAMEBUFFER:
return "Framebuffer";
default:
return "???";
}
}
static void print_file(struct limine_file *file) {
e9_printf("File->Revision: %d", file->revision);
e9_printf("File->Address: %x", file->address);
e9_printf("File->Size: %x", file->size);
e9_printf("File->Path: %s", file->path);
e9_printf("File->CmdLine: %s", file->cmdline);
e9_printf("File->MediaType: %d", file->media_type);
e9_printf("File->PartIndex: %d", file->partition_index);
e9_printf("File->TFTPIP: %d.%d.%d.%d",
(file->tftp_ip & (0xff << 0)) >> 0,
(file->tftp_ip & (0xff << 8)) >> 8,
(file->tftp_ip & (0xff << 16)) >> 16,
(file->tftp_ip & (0xff << 24)) >> 24);
e9_printf("File->TFTPPort: %d", file->tftp_port);
e9_printf("File->MBRDiskId: %x", file->mbr_disk_id);
e9_printf("File->GPTDiskUUID: %x-%x-%x-%x",
file->gpt_disk_uuid.a,
file->gpt_disk_uuid.b,
file->gpt_disk_uuid.c,
*(uint64_t *)file->gpt_disk_uuid.d);
e9_printf("File->GPTPartUUID: %x-%x-%x-%x",
file->gpt_part_uuid.a,
file->gpt_part_uuid.b,
file->gpt_part_uuid.c,
*(uint64_t *)file->gpt_part_uuid.d);
e9_printf("File->PartUUID: %x-%x-%x-%x",
file->part_uuid.a,
file->part_uuid.b,
file->part_uuid.c,
*(uint64_t *)file->part_uuid.d);
}
#define FEAT_START do {
#define FEAT_END } while (0);
extern char kernel_start[];
static void write_shim(const char *s, uint64_t l) {
struct limine_terminal *terminal = _terminal_request.response->terminals[0];
_terminal_request.response->write(terminal, s, l);
}
void limine_main(void) {
if (_terminal_request.response) {
limine_print = write_shim;
}
e9_printf("\nWe're alive");
uint64_t kernel_slide = (uint64_t)kernel_start - 0xffffffff80000000;
e9_printf("Kernel slide: %x", kernel_slide);
FEAT_START
e9_printf("");
if (bootloader_info_request.response == NULL) {
e9_printf("Bootloader info not passed");
break;
}
struct limine_bootloader_info_response *bootloader_info_response = bootloader_info_request.response;
e9_printf("Bootloader info feature, revision %d", bootloader_info_response->revision);
e9_printf("Bootloader name: %s", bootloader_info_response->name);
e9_printf("Bootloader version: %s", bootloader_info_response->version);
FEAT_END
FEAT_START
e9_printf("");
if (kernel_address_request.response == NULL) {
e9_printf("Kernel address not passed");
break;
}
struct limine_kernel_address_response *ka_response = kernel_address_request.response;
e9_printf("Kernel address feature, revision %d", ka_response->revision);
e9_printf("Physical base: %x", ka_response->physical_base);
e9_printf("Virtual base: %x", ka_response->virtual_base);
FEAT_END
FEAT_START
e9_printf("");
if (hhdm_request.response == NULL) {
e9_printf("HHDM not passed");
break;
}
struct limine_hhdm_response *hhdm_response = hhdm_request.response;
e9_printf("HHDM feature, revision %d", hhdm_response->revision);
e9_printf("Higher half direct map at: %x", hhdm_response->offset);
FEAT_END
FEAT_START
e9_printf("");
if (memmap_request.response == NULL) {
e9_printf("Memory map not passed");
break;
}
struct limine_memmap_response *memmap_response = memmap_request.response;
e9_printf("Memory map feature, revision %d", memmap_response->revision);
e9_printf("%d memory map entries", memmap_response->entry_count);
for (size_t i = 0; i < memmap_response->entry_count; i++) {
struct limine_memmap_entry *e = memmap_response->entries[i];
e9_printf("%x->%x %s", e->base, e->base + e->length, get_memmap_type(e->type));
}
FEAT_END
FEAT_START
e9_printf("");
if (framebuffer_request.response == NULL) {
e9_printf("Framebuffer not passed");
break;
}
struct limine_framebuffer_response *fb_response = framebuffer_request.response;
e9_printf("Framebuffers feature, revision %d", fb_response->revision);
e9_printf("%d framebuffer(s)", fb_response->framebuffer_count);
for (size_t i = 0; i < fb_response->framebuffer_count; i++) {
struct limine_framebuffer *fb = fb_response->framebuffers[i];
e9_printf("Address: %x", fb->address);
e9_printf("Width: %d", fb->width);
e9_printf("Height: %d", fb->height);
e9_printf("Pitch: %d", fb->pitch);
e9_printf("BPP: %d", fb->bpp);
e9_printf("Memory model: %d", fb->memory_model);
e9_printf("Red mask size: %d", fb->red_mask_size);
e9_printf("Red mask shift: %d", fb->red_mask_shift);
e9_printf("Green mask size: %d", fb->green_mask_size);
e9_printf("Green mask shift: %d", fb->green_mask_shift);
e9_printf("Blue mask size: %d", fb->blue_mask_size);
e9_printf("Blue mask shift: %d", fb->blue_mask_shift);
e9_printf("EDID size: %d", fb->edid_size);
e9_printf("EDID at: %x", fb->edid);
}
FEAT_END
FEAT_START
e9_printf("");
if (framebuffer_legacy_request.response == NULL) {
e9_printf("Framebuffer (legacy) not passed");
break;
}
struct limine_framebuffer_legacy_response *fb_response = framebuffer_legacy_request.response;
e9_printf("Framebuffers feature (legacy), revision %d", fb_response->revision);
e9_printf("%d framebuffer(s)", fb_response->framebuffer_count);
for (size_t i = 0; i < fb_response->framebuffer_count; i++) {
struct limine_framebuffer_legacy *fb = fb_response->framebuffers[i];
e9_printf("Address: %x", fb->address);
e9_printf("Width: %d", fb->width);
e9_printf("Height: %d", fb->height);
e9_printf("Pitch: %d", fb->pitch);
e9_printf("BPP: %d", fb->bpp);
e9_printf("Memory model: %d", fb->memory_model);
e9_printf("Red mask size: %d", fb->red_mask_size);
e9_printf("Red mask shift: %d", fb->red_mask_shift);
e9_printf("Green mask size: %d", fb->green_mask_size);
e9_printf("Green mask shift: %d", fb->green_mask_shift);
e9_printf("Blue mask size: %d", fb->blue_mask_size);
e9_printf("Blue mask shift: %d", fb->blue_mask_shift);
e9_printf("EDID size: %d", fb->edid_size);
e9_printf("EDID at: %x", fb->edid);
}
FEAT_END
FEAT_START
e9_printf("");
if (kf_request.response == NULL) {
e9_printf("Kernel file not passed");
break;
}
struct limine_kernel_file_response *kf_response = kf_request.response;
e9_printf("Kernel file feature, revision %d", kf_response->revision);
print_file(kf_response->kernel_file);
FEAT_END
FEAT_START
e9_printf("");
if (module_request.response == NULL) {
e9_printf("Modules not passed");
break;
}
struct limine_module_response *module_response = module_request.response;
e9_printf("Modules feature, revision %d", module_response->revision);
e9_printf("%d module(s)", module_response->module_count);
for (size_t i = 0; i < module_response->module_count; i++) {
struct limine_file *f = module_response->modules[i];
e9_printf("---");
print_file(f);
}
FEAT_END
FEAT_START
e9_printf("");
if (rsdp_request.response == NULL) {
e9_printf("RSDP not passed");
break;
}
struct limine_rsdp_response *rsdp_response = rsdp_request.response;
e9_printf("RSDP feature, revision %d", rsdp_response->revision);
e9_printf("RSDP at: %x", rsdp_response->address);
FEAT_END
FEAT_START
e9_printf("");
if (smbios_request.response == NULL) {
e9_printf("SMBIOS not passed");
break;
}
struct limine_smbios_response *smbios_response = smbios_request.response;
e9_printf("SMBIOS feature, revision %d", smbios_response->revision);
e9_printf("SMBIOS 32-bit entry at: %x", smbios_response->entry_32);
e9_printf("SMBIOS 64-bit entry at: %x", smbios_response->entry_64);
FEAT_END
FEAT_START
e9_printf("");
if (est_request.response == NULL) {
e9_printf("EFI system table not passed");
break;
}
struct limine_efi_system_table_response *est_response = est_request.response;
e9_printf("EFI system table feature, revision %d", est_response->revision);
e9_printf("EFI system table at: %x", est_response->address);
FEAT_END
FEAT_START
e9_printf("");
if (boot_time_request.response == NULL) {
e9_printf("Boot time not passed");
break;
}
struct limine_boot_time_response *boot_time_response = boot_time_request.response;
e9_printf("Boot time feature, revision %d", boot_time_response->revision);
e9_printf("Boot time: %d", boot_time_response->boot_time);
FEAT_END
FEAT_START
e9_printf("");
if (_smp_request.response == NULL) {
e9_printf("SMP info not passed");
break;
}
struct limine_smp_response *smp_response = _smp_request.response;
e9_printf("SMP feature, revision %d", smp_response->revision);
e9_printf("Flags: %x", smp_response->flags);
e9_printf("BSP LAPIC ID: %x", smp_response->bsp_lapic_id);
e9_printf("CPU count: %d", smp_response->cpu_count);
for (size_t i = 0; i < smp_response->cpu_count; i++) {
struct limine_smp_info *cpu = smp_response->cpus[i];
e9_printf("Processor ID: %x", cpu->processor_id);
e9_printf("LAPIC ID: %x", cpu->lapic_id);
}
FEAT_END
FEAT_START
e9_printf("");
if (_terminal_request.response == NULL) {
e9_printf("Terminal not passed");
break;
}
struct limine_terminal_response *term_response = _terminal_request.response;
e9_printf("Terminal feature, revision %d", term_response->revision);
e9_printf("%d terminal(s)", term_response->terminal_count);
for (size_t i = 0; i < term_response->terminal_count; i++) {
struct limine_terminal *terminal = term_response->terminals[i];
e9_printf("Columns: %d", terminal->columns);
e9_printf("Rows: %d", terminal->rows);
e9_printf("Using framebuffer: %x", terminal->framebuffer);
}
e9_printf("Write function at: %x", term_response->write);
FEAT_END
FEAT_START
e9_printf("");
if (_terminal_legacy_request.response == NULL) {
e9_printf("Terminal (legacy) not passed");
break;
}
struct limine_terminal_legacy_response *term_response = _terminal_legacy_request.response;
e9_printf("Terminal feature (legacy), revision %d", term_response->revision);
e9_printf("%d terminal(s)", term_response->terminal_count);
for (size_t i = 0; i < term_response->terminal_count; i++) {
struct limine_terminal_legacy *terminal = term_response->terminals[i];
e9_printf("Columns: %d", terminal->columns);
e9_printf("Rows: %d", terminal->rows);
e9_printf("Using framebuffer: %x", terminal->framebuffer);
}
e9_printf("Write function at: %x", term_response->write);
FEAT_END
for (;;);
}
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