sravan/system76-coreboot
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this code is for writing the mp table, so only execute it when

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we actually have one. 


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2343 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
2006-07-19 16:58:43 +00:00
parent 4f1cb23426
commit 87f194dd9e
2 changed files with 4 additions and 0 deletions
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2
src/arch/i386/boot/tables.c
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@ -69,6 +69,7 @@ struct lb_memory *write_tables(void)
/* The smp table must be in 0-1K, 639K-640K, or 960K-1M */ /* The smp table must be in 0-1K, 639K-640K, or 960K-1M */
new_low_table_end = write_smp_table(low_table_end); new_low_table_end = write_smp_table(low_table_end);
#if HAVE_MP_TABLE==1
/* Don't write anything in the traditional x86 BIOS data segment, /* 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 * for example the linux kernel smp need to use 0x467 to pass reset vector
*/ */
@ -93,6 +94,7 @@ struct lb_memory *write_tables(void)
low_table_end = 0x500 + mptable_size; low_table_end = 0x500 + mptable_size;
} }
} }
#endif
/* Don't write anything in the traditional x86 BIOS data segment */ /* Don't write anything in the traditional x86 BIOS data segment */
if (low_table_end < 0x500) { if (low_table_end < 0x500) {

2
src/arch/i386/include/arch/smp/mpspec.h
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@ -264,6 +264,8 @@ void smp_write_compatibility_address_space(struct mp_config_table *mc,
unsigned int range_list); unsigned int range_list);
unsigned char smp_compute_checksum(void *v, int len); unsigned char smp_compute_checksum(void *v, int len);
void *smp_write_floating_table(unsigned long addr); void *smp_write_floating_table(unsigned long addr);
void *smp_write_floating_table_physaddr(unsigned long addr,
unsigned long mpf_physptr);
unsigned long write_smp_table(unsigned long addr); unsigned long write_smp_table(unsigned long addr);
#else /* HAVE_MP_TABLE */ #else /* HAVE_MP_TABLE */