diff options
| -rw-r--r-- | src/arch/i386/boot/tables.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/arch/i386/boot/tables.c b/src/arch/i386/boot/tables.c index 71459570f6..58c5ce896a 100644 --- a/src/arch/i386/boot/tables.c +++ b/src/arch/i386/boot/tables.c @@ -122,6 +122,8 @@ struct lb_memory *write_tables(void) /* copy the smp block to address 0 */ post_code(0x96); +#if HAVE_MP_TABLE == 1 + /* The smp table must be in 0-1K, 639K-640K, or 960K-1M */ #if HAVE_LOW_TABLES == 1 new_low_table_end = write_smp_table(low_table_end); // low_table_end is 0x10 at this point @@ -133,7 +135,6 @@ struct lb_memory *write_tables(void) } #endif -#if HAVE_MP_TABLE == 1 /* Don't write anything in the traditional x86 BIOS data segment, * for example the linux kernel smp need to use 0x467 to pass reset vector * or use 0x40e/0x413 for EBDA finding... @@ -160,7 +161,7 @@ struct lb_memory *write_tables(void) smp_write_floating_table_physaddr(low_table_end - SMP_FLOATING_TABLE_LEN, mpc_start); memset((unsigned char *)low_table_end, '\0', mptable_size); } -#endif +#endif /* HAVE_MP_TABLE */ if (low_table_end < 0x500) { low_table_end = 0x500; |