src/arch/i386/include/bootblock_common.h

   1 #define __PRE_RAM__
   2 #if CONFIG_LOGICAL_CPUS && \
   3  (defined(CONFIG_BOOTBLOCK_NORTHBRIDGE_INIT) || defined(CONFIG_BOOTBLOCK_SOUTHBRIDGE_INIT))
   4 #include <cpu/x86/lapic/boot_cpu.c>
   5 #else
   6 #define boot_cpu(x) 1
   7 #endif
   8
   9 #ifdef CONFIG_BOOTBLOCK_NORTHBRIDGE_INIT
  10 #include CONFIG_BOOTBLOCK_NORTHBRIDGE_INIT
  11 #else
  12 static void bootblock_northbridge_init(void) { }
  13 #endif
  14 #ifdef CONFIG_BOOTBLOCK_SOUTHBRIDGE_INIT
  15 #include CONFIG_BOOTBLOCK_SOUTHBRIDGE_INIT
  16 #else
  17 static void bootblock_southbridge_init(void) { }
  18 #endif
  19
  20 static unsigned long findstage(char* target)
  21 {
  22         unsigned long entry;
  23         asm volatile (
  24                 "mov $1f, %%esp\n\t"
  25                 "jmp walkcbfs\n\t"
  26                 "1:\n\t" : "=a" (entry) : "S" (target) : "ebx", "ecx", "edi", "esp");
  27         return entry;
  28 }
  29
  30 static void call(unsigned long addr, unsigned long bist)
  31 {
  32         asm volatile ("jmp *%0\n\t" : : "r" (addr), "a" (bist));
  33 }