139 static int __init smp_check_mpc(struct mpc_table *mpc, char *oem, char *str)  in smp_check_mpc()  argument
142 	if (memcmp(mpc->signature, MPC_SIGNATURE, 4)) {  in smp_check_mpc()
144 		       mpc->signature[0], mpc->signature[1],  in smp_check_mpc()
145 		       mpc->signature[2], mpc->signature[3]);  in smp_check_mpc()
148 	if (mpf_checksum((unsigned char *)mpc, mpc->length)) {  in smp_check_mpc()
152 	if (mpc->spec != 0x01 && mpc->spec != 0x04) {  in smp_check_mpc()
153 		pr_err("MPTABLE: bad table version (%d)!!\n", mpc->spec);  in smp_check_mpc()
156 	if (!mpc->lapic) {  in smp_check_mpc()
160 	memcpy(oem, mpc->oem, 8);  in smp_check_mpc()
164 	memcpy(str, mpc->productid, 12);  in smp_check_mpc()
169 	pr_info("MPTABLE: APIC at: 0x%X\n", mpc->lapic);  in smp_check_mpc()
180 static void __init smp_dump_mptable(struct mpc_table *mpc, unsigned char *mpt)  in smp_dump_mptable()  argument
185 			1, mpc, mpc->length, 1);  in smp_dump_mptable()
188 static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)  in smp_read_mpc()  argument
193 	int count = sizeof(*mpc);  in smp_read_mpc()
194 	unsigned char *mpt = ((unsigned char *)mpc) + count;  in smp_read_mpc()
196 	if (!smp_check_mpc(mpc, oem, str))  in smp_read_mpc()
201 		register_lapic_address(mpc->lapic);  in smp_read_mpc()
207 	while (count < mpc->length) {  in smp_read_mpc()
233 			smp_dump_mptable(mpc, mpt);  in smp_read_mpc()
234 			count = mpc->length;  in smp_read_mpc()
413 	struct mpc_table *mpc;  in get_mpc_size()  local
416 	mpc = early_memremap(physptr, PAGE_SIZE);  in get_mpc_size()
417 	size = mpc->length;  in get_mpc_size()
418 	early_memunmap(mpc, PAGE_SIZE);  in get_mpc_size()
426 	struct mpc_table *mpc;  in check_physptr()  local
430 	mpc = early_memremap(mpf->physptr, size);  in check_physptr()
436 	if (!smp_read_mpc(mpc, early)) {  in check_physptr()
442 		early_memunmap(mpc, size);  in check_physptr()
445 	early_memunmap(mpc, size);  in check_physptr()
714 static int  __init replace_intsrc_all(struct mpc_table *mpc,  in replace_intsrc_all()  argument
721 	int count = sizeof(*mpc);  in replace_intsrc_all()
723 	unsigned char *mpt = ((unsigned char *)mpc) + count;  in replace_intsrc_all()
725 	pr_info("mpc_length %x\n", mpc->length);  in replace_intsrc_all()
726 	while (count < mpc->length) {  in replace_intsrc_all()
746 			smp_dump_mptable(mpc, mpt);  in replace_intsrc_all()
774 			mpc->length = count;  in replace_intsrc_all()
782 	mpc->checksum = 0;  in replace_intsrc_all()
783 	mpc->checksum -= mpf_checksum((unsigned char *)mpc, mpc->length);  in replace_intsrc_all()
830 	struct mpc_table *mpc, *mpc_new;  in update_mp_table()  local
855 	mpc = early_memremap(mpf->physptr, size);  in update_mp_table()
856 	if (!mpc) {  in update_mp_table()
861 	if (!smp_check_mpc(mpc, oem, str))  in update_mp_table()
867 	if (mpc_new_phys && mpc->length > mpc_new_length) {  in update_mp_table()
876 		mpc->checksum = 0;  in update_mp_table()
877 		old = mpf_checksum((unsigned char *)mpc, mpc->length);  in update_mp_table()
878 		mpc->checksum = 0xff;  in update_mp_table()
879 		new = mpf_checksum((unsigned char *)mpc, mpc->length);  in update_mp_table()
892 		memcpy(mpc_new, mpc, mpc->length);  in update_mp_table()
893 		early_memunmap(mpc, size);  in update_mp_table()
894 		mpc = mpc_new;  in update_mp_table()
922 	replace_intsrc_all(mpc, mpc_new_phys, mpc_new_length);  in update_mp_table()
925 	early_memunmap(mpc, size);  in update_mp_table()