#ifdef HAVE_CONFIG_H #include "config.h" #endif #include #ifndef __USE_POSIX2 #define __USE_POSIX2 #endif #include static const char output1[] = "Multiboot 2 info\n" " size: 864\n" " reserved1: 0\n" "Multiboot 2 info tag\n" " type: 21 (image load base phys addr)\n" " size: 12\n" " load base addr: 4194304\n" "Multiboot 2 info tag\n" " type: 1 (boot cmd line)\n" " size: 21\n" " cmdline: hello kernel\n" "Multiboot 2 info tag\n" " type: 2 (boot loader name)\n" " size: 30\n" " name: GRUB 2.02-2ubuntu8.20\n" "Multiboot 2 info tag\n" " type: 10 (APM table)\n" " size: 28\n" " version: 258\n" " cseg: 61440\n" " offset: 54479\n" " cseg 16: 61440\n" " dseg: 61440\n" " flags: 3\n" " cseg len: 65520\n" " cseg 16 len: 65520\n" " dseg len: 65520\n" "Multiboot 2 info tag\n" " type: 3 (module)\n" " size: 29\n" " start: 1056768\n" " end: 1061532\n" " cmdline: hello module\n" "Multiboot 2 info tag\n" " type: 3 (module)\n" " size: 17\n" " start: 1064960\n" " end: 1069652\n" " cmdline: \n" "Multiboot 2 info tag\n" " type: 6 (memory map)\n" " size: 160\n" " entry size: 24\n" " entry version: 0\n" " entries:\n" " entry 0\n" " base addr: 0\n" " length: 654336\n" " type: 1\n" " reserved1: 0\n" " entry 1\n" " base addr: 654336\n" " length: 1024\n" " type: 2\n" " reserved1: 0\n" " entry 2\n" " base addr: 983040\n" " length: 65536\n" " type: 2\n" " reserved1: 0\n" " entry 3\n" " base addr: 1048576\n" " length: 133038080\n" " type: 1\n" " reserved1: 0\n" " entry 4\n" " base addr: 134086656\n" " length: 131072\n" " type: 2\n" " reserved1: 0\n" " entry 5\n" " base addr: 4294705152\n" " length: 262144\n" " type: 2\n" " reserved1: 0\n" "Multiboot 2 info tag\n" " type: 9 (ELF symbols)\n" " size: 420\n" " num: 10\n" " entsize: 0\n" " shndx: 40\n" " reserved1: 0\n" "Multiboot 2 info tag\n" " type: 4 (basic memory info)\n" " size: 16\n" " mem lower: 639\n" " mem upper: 129920\n" "Multiboot 2 info tag\n" " type: 5 (BIOS boot device)\n" " size: 20\n" " bios dev: 224\n" " partition: 4294967295\n" " sub_partition: 4294967295\n" "Multiboot 2 info tag\n" " type: 8 (framebuffer info)\n" " size: 32\n" " framebuffer addr: 753664\n" " framebuffer pitch: 160\n" " framebuffer width: 80\n" " framebuffer height: 25\n" " framebuffer bpp: 16\n" " framebuffer type: 2\n" " reserved1: 0\n" "Multiboot 2 info tag\n" " type: 14 (ACPI old RSDP)\n" " size: 28\n" "Multiboot 2 info tag\n" " type: 0 (none)\n" " size: 8\n"; static const char output2[] = "Multiboot 2 info\n" " size: 1816\n" " reserved1: 0\n" "Multiboot 2 info tag\n" " type: 1 (boot cmd line)\n" " size: 23\n" " cmdline: Hello, Kernel!\n" "Multiboot 2 info tag\n" " type: 2 (boot loader name)\n" " size: 30\n" " name: GRUB 2.02-2ubuntu8.20\n" "Multiboot 2 info tag\n" " type: 3 (module)\n" " size: 33\n" " start: 123\n" " end: 456\n" " cmdline: Hello, Module 1!\n" "Multiboot 2 info tag\n" " type: 3 (module)\n" " size: 33\n" " start: 123\n" " end: 456\n" " cmdline: Hello, Module 2!\n" "Multiboot 2 info tag\n" " type: 4 (basic memory info)\n" " size: 16\n" " mem lower: 123\n" " mem upper: 456\n" "Multiboot 2 info tag\n" " type: 5 (BIOS boot device)\n" " size: 20\n" " bios dev: 0\n" " partition: 1\n" " sub_partition: 2\n" "Multiboot 2 info tag\n" " type: 6 (memory map)\n" " size: 160\n" " entry size: 24\n" " entry version: 0\n" " entries:\n" " entry 0\n" " base addr: 0\n" " length: 654336\n" " type: 1\n" " reserved1: 0\n" " entry 1\n" " base addr: 654336\n" " length: 1024\n" " type: 2\n" " reserved1: 0\n" " entry 2\n" " base addr: 983040\n" " length: 65536\n" " type: 2\n" " reserved1: 0\n" " entry 3\n" " base addr: 1048576\n" " length: 133038080\n" " type: 1\n" " reserved1: 0\n" " entry 4\n" " base addr: 134086656\n" " length: 131072\n" " type: 2\n" " reserved1: 0\n" " entry 5\n" " base addr: 4294705152\n" " length: 262144\n" " type: 2\n" " reserved1: 0\n" "Multiboot 2 info tag\n" " type: 7 (VBE info)\n" " size: 784\n" " VBE mode: 0\n" " VBE interface seg: 123\n" " VBE interface off: 456\n" " VBE interface len: 789\n" "Multiboot 2 info tag\n" " type: 8 (framebuffer info)\n" " size: 39\n" " framebuffer addr: 123\n" " framebuffer pitch: 456\n" " framebuffer width: 123\n" " framebuffer height: 456\n" " framebuffer bpp: 8\n" " framebuffer type: 1\n" " reserved1: 0\n" "Multiboot 2 info tag\n" " type: 9 (ELF symbols)\n" " size: 420\n" " num: 10\n" " entsize: 0\n" " shndx: 40\n" " reserved1: 0\n" "Multiboot 2 info tag\n" " type: 10 (APM table)\n" " size: 28\n" " version: 0\n" " cseg: 123\n" " offset: 456\n" " cseg 16: 789\n" " dseg: 123\n" " flags: 1\n" " cseg len: 456\n" " cseg 16 len: 789\n" " dseg len: 123\n" "Multiboot 2 info tag\n" " type: 11 (EFI 32bit system table ptr)\n" " size: 12\n" "Multiboot 2 info tag\n" " type: 12 (EFI 64bit system table ptr)\n" " size: 16\n" "Multiboot 2 info tag\n" " type: 13 (SMBIOS tables)\n" " size: 24\n" " major: 1\n" " minor: 2\n" " reserved1: {0, 0, 0, 0, 0, 0}\n" "Multiboot 2 info tag\n" " type: 14 (ACPI old RSDP)\n" " size: 16\n" "Multiboot 2 info tag\n" " type: 15 (ACPI new RSDP)\n" " size: 16\n" "Multiboot 2 info tag\n" " type: 16 (networking info)\n" " size: 16\n" "Multiboot 2 info tag\n" " type: 17 (EFI memory map)\n" " size: 24\n" "Multiboot 2 info tag\n" " type: 18 (EFI boot services not terminated)\n" " size: 8\n" "Multiboot 2 info tag\n" " type: 19 (EFI 32bit image handle ptr)\n" " size: 12\n" "Multiboot 2 info tag\n" " type: 20 (EFI 64bit image handle ptr)\n" " size: 16\n" "Multiboot 2 info tag\n" " type: 21 (image load base phys addr)\n" " size: 12\n" " load base addr: 123\n" "Multiboot 2 info tag\n" " type: 0 (none)\n" " size: 8\n"; int main() { { FILE *const fd = popen("./multiboot2_info_print1", "r"); assert(fd != NULL); for (const char *ch = output1; *ch; ++ch) { assert(fgetc(fd) == *ch); } const int status = pclose(fd); assert(status == 0); } { FILE *const fd = popen("./multiboot2_info_print2", "r"); assert(fd != NULL); for (const char *ch = output2; *ch; ++ch) { assert(fgetc(fd) == *ch); } const int status = pclose(fd); assert(status == 0); } return 0; }