52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
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#include <stivale.h>
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#include <stdint.h>
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#include <e9print.h>
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#include <stddef.h>
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static uint8_t stack[4096] = {0};
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void stivale_main(struct stivale_struct *info);
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__attribute__((section(".stivalehdr"), used))
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struct stivale_header header = {
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.stack = (uint64_t)(uintptr_t)stack + sizeof(stack),
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.framebuffer_bpp = 0,
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.framebuffer_width = 0,
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.framebuffer_height = 0,
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.flags = 1,
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.entry_point = (uint64_t)(uintptr_t)stivale_main
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};
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void stivale_main(struct stivale_struct *info) {
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// Print some info.
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e9_puts("Stivale information passed to the kernel:");
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e9_printf("Cmdline: %s", (char*)info->cmdline);
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e9_printf("Memory map at %x with contents:", info->memory_map_addr);
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struct stivale_mmap_entry *memmap = ((struct stivale_mmap_entry *)(info->memory_map_addr));
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for (size_t i = 0; i < info->memory_map_entries; i++) {
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struct stivale_mmap_entry e = memmap[i];
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e9_printf("\tEntry %d: [%x+%x] %x", i, e.base, e.length, e.type);
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}
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e9_printf("Framebuffer at %x with specifics:", info->framebuffer_addr);
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e9_printf("\tPitch: %d", info->framebuffer_pitch);
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e9_printf("\tWidth: %d", info->framebuffer_width);
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e9_printf("\tHeight: %d", info->framebuffer_height);
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e9_printf("\tBPP: %d", info->framebuffer_bpp);
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e9_printf("RSDP at %x", info->rsdp);
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e9_printf("Module map at %x with modules:", info->modules);
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struct stivale_module *modules = ((struct stivale_module *)(info->modules));
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for (size_t i = 0; i < info->module_count; i++) {
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struct stivale_module e = *modules;
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e9_printf("\tModule %d: [%x+%x] %s", i, e.begin, e.end, e.string);
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modules = (struct stivale_module *)e.next;
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}
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e9_printf("Epoch is %x", info->epoch);
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e9_printf("Flags are %x", info->flags);
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// Guru meditation.
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for (;;);
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}
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