multiboot2: Improve multiboot2 test case
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@ -69,31 +69,23 @@ void multiboot2_main(uint32_t magic, struct multiboot_info* mb_info_addr) {
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e9_printf("\t mmap:");
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e9_printf("\t\t entry_size=%d", mmap->entry_size);
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e9_printf("\t\t entry_version=%d", mmap->entry_version);
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e9_printf("\t\t useable_entries:");
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e9_printf("\t\t entries:");
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struct multiboot_mmap_entry *start = (struct multiboot_mmap_entry *)(mmap->entries);
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struct multiboot_mmap_entry *end = (struct multiboot_mmap_entry *)(mmap->entries + mmap->size);
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struct multiboot_mmap_entry *m = (struct multiboot_mmap_entry *)(mmap->entries);
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size_t total_mem = 0;
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size_t entry_count = mmap->size / sizeof(struct multiboot_mmap_entry);
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e9_printf("\t\t entry count: %d", entry_count);
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// For now we only print the useable memory map entries since
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// For now we only print the usable memory map entries since
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// printing the whole memory map blows my terminal up. We also
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// iterate through the avaliable memory map entries and add up
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// to find the total amount of useable memory.
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for (struct multiboot_mmap_entry* entry = start; entry < end; entry++) {
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if (entry->type != MULTIBOOT_MEMORY_AVAILABLE) {
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continue;
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// to find the total amount of usable memory.
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for (size_t i = 0; i < entry_count; i++) {
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e9_printf("\t\t\t addr=%x", m[i].addr);
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e9_printf("\t\t\t len=%x", m[i].len);
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e9_printf("\t\t\t type=%x", m[i].type);
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}
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e9_printf("\t\t\t addr=%x", entry->addr);
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e9_printf("\t\t\t len=%x", entry->len);
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e9_printf("\t\t\t type=Useable");
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total_mem += entry->len;
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}
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e9_printf("Total usable memory: %x", total_mem);
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break;
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}
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@ -103,12 +95,12 @@ void multiboot2_main(uint32_t magic, struct multiboot_info* mb_info_addr) {
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struct multiboot_tag_framebuffer *fb = (struct multiboot_tag_framebuffer *)tag;
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e9_printf("\t framebuffer:");
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e9_printf("\t\t framebuffer_pitch: %x", fb->common.framebuffer_pitch);
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e9_printf("\t\t framebuffer_width: %x", fb->common.framebuffer_width);
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e9_printf("\t\t framebuffer_height: %x", fb->common.framebuffer_height);
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e9_printf("\t\t framebuffer_bpp: %x", fb->common.framebuffer_bpp);
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e9_printf("\t\t framebuffer_type: %x", fb->common.framebuffer_type);
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e9_printf("\t\t framebuffer_adddress: %x", fb->common.framebuffer_addr);
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e9_printf("\t\t framebuffer_pitch: %d", fb->common.framebuffer_pitch);
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e9_printf("\t\t framebuffer_width: %d", fb->common.framebuffer_width);
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e9_printf("\t\t framebuffer_height: %d", fb->common.framebuffer_height);
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e9_printf("\t\t framebuffer_bpp: %d", fb->common.framebuffer_bpp);
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e9_printf("\t\t framebuffer_type: %d", fb->common.framebuffer_type);
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e9_printf("\t\t framebuffer_address: %x", fb->common.framebuffer_addr);
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switch (fb->common.framebuffer_type) {
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case MULTIBOOT_FRAMEBUFFER_TYPE_RGB: {
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