diff options
Diffstat (limited to 'src/arch/i386/include/bootblock_common.h')
-rw-r--r-- | src/arch/i386/include/bootblock_common.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/arch/i386/include/bootblock_common.h b/src/arch/i386/include/bootblock_common.h new file mode 100644 index 0000000000..895a185c6f --- /dev/null +++ b/src/arch/i386/include/bootblock_common.h @@ -0,0 +1,33 @@ +#define __PRE_RAM__ +#if CONFIG_LOGICAL_CPUS && \ + (defined(CONFIG_BOOTBLOCK_NORTHBRIDGE_INIT) || defined(CONFIG_BOOTBLOCK_SOUTHBRIDGE_INIT)) +#include <cpu/x86/lapic/boot_cpu.c> +#else +#define boot_cpu(x) 1 +#endif + +#ifdef CONFIG_BOOTBLOCK_NORTHBRIDGE_INIT +#include CONFIG_BOOTBLOCK_NORTHBRIDGE_INIT +#else +static void bootblock_northbridge_init(void) { } +#endif +#ifdef CONFIG_BOOTBLOCK_SOUTHBRIDGE_INIT +#include CONFIG_BOOTBLOCK_SOUTHBRIDGE_INIT +#else +static void bootblock_southbridge_init(void) { } +#endif + +static unsigned long findstage(char* target) +{ + unsigned long entry; + asm volatile ( + "mov $1f, %%esp\n\t" + "jmp walkcbfs\n\t" + "1:\n\t" : "=a" (entry) : "S" (target) : "ebx", "ecx", "edi", "esp"); + return entry; +} + +static void call(unsigned long addr, unsigned long bist) +{ + asm volatile ("jmp *%0\n\t" : : "r" (addr), "a" (bist)); +} |