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-rw-r--r--src/include/cpu/amd/dualcore.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/include/cpu/amd/dualcore.h b/src/include/cpu/amd/dualcore.h
new file mode 100644
index 0000000000..a8c49475ec
--- /dev/null
+++ b/src/include/cpu/amd/dualcore.h
@@ -0,0 +1,19 @@
+#ifndef CPU_AMD_DUALCORE_H
+#define CPU_AMD_DUALCORE_H
+
+struct device;
+void amd_sibling_init(struct device *cpu);
+
+int is_e0_later_in_bsp(int nodeid);
+unsigned int read_nb_cfg_54(void);
+
+struct node_core_id {
+ unsigned nodeid;
+ unsigned coreid;
+};
+
+// it can be used to get unitid and coreid it running only
+struct node_core_id get_node_core_id(unsigned int nb_cfg_54);
+unsigned get_apicid_base(unsigned ioapic_num);
+
+#endif /* CPU_AMD_DUALCORE_H */