#include #include #include __attribute__((noreturn)) void entry(uint8_t *compressed_stage2, size_t stage2_size, uint8_t boot_drive, int pxe) { // The decompressor should decompress compressed_stage2 to address 0x8000. uint8_t *dest = (uint8_t *)0x8000; tinf_gzip_uncompress(dest, compressed_stage2, stage2_size); asm volatile ( "movl $0x7c00, %%esp\n\t" "xorl %%ebp, %%ebp\n\t" "pushl %1\n\t" "pushl %0\n\t" "pushl $0\n\t" "pushl $0x8000\n\t" "ret\n\t" : : "r" ((uint32_t)boot_drive), "r" (pxe) : "memory" ); __builtin_unreachable(); }