91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
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#include <utsm/dkm.h>
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#include <utsm/log.h>
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#include <utsm/idt.h>
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#include <utsm/net.h>
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static void dkm_api_info(const char *msg) {
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log_info(msg);
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}
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static void dkm_api_warn(const char *msg) {
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log_warn(msg);
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}
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static void dkm_api_error(const char *msg) {
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log_error(msg);
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}
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static void dkm_api_panic(const char *msg) {
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log_error(msg);
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for (;;) {
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__asm__ volatile("cli; hlt");
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}
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}
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static const dkm_log_api g_log_api = {
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.info = dkm_api_info,
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.warn = dkm_api_warn,
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.error = dkm_api_error,
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.panic = dkm_api_panic
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};
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static dkm_kernel_api g_kernel_api = {
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.version = DKM_KERNEL_API_VERSION,
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.size = sizeof(dkm_kernel_api),
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.feature_bits = 0,
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.log = &g_log_api,
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.mem = 0,
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.utsm = 0,
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.irq = 0,
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.pci = 0,
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.dma = 0,
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.vfs = 0,
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.net = 0,
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.timer = 0,
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.drr = 0,
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.rsdp_address = 0,
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.fb_address = 0,
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.fb_width = 0,
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.fb_height = 0,
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.fb_pitch = 0,
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.fb_bpp = 0,
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.boot_modules_response = 0,
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.irq_register = 0,
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.hhdm_offset = 0,
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.block = 0
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};
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const dkm_kernel_api *dkm_get_kernel_api(void) {
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return &g_kernel_api;
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}
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#include "../arch/x86_64/limine.h"
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extern volatile struct limine_rsdp_request g_rsdp_request;
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extern volatile struct limine_framebuffer_request g_fb_request;
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extern volatile struct limine_module_request g_module_request;
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extern volatile struct limine_hhdm_request g_hhdm_request;
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void dkm_fill_platform_info(void) {
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g_kernel_api.dma = dma_get_api();
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g_kernel_api.net = net_get_api();
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g_kernel_api.block = block_get_api();
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if (g_rsdp_request.response && g_rsdp_request.response->address) {
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g_kernel_api.rsdp_address = g_rsdp_request.response->address;
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}
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if (g_fb_request.response && g_fb_request.response->framebuffer_count > 0) {
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struct limine_framebuffer *fb = g_fb_request.response->framebuffers[0];
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g_kernel_api.fb_address = fb->address;
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g_kernel_api.fb_width = fb->width;
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g_kernel_api.fb_height = fb->height;
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g_kernel_api.fb_pitch = fb->pitch;
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g_kernel_api.fb_bpp = fb->bpp;
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}
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if (g_module_request.response) {
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g_kernel_api.boot_modules_response = g_module_request.response;
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}
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g_kernel_api.irq_register = (int (*)(u8,void*))((u64)irq_register);
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if (g_hhdm_request.response) {
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g_kernel_api.hhdm_offset = g_hhdm_request.response->offset;
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}
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}
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