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-rw-r--r--src/cpu/x86/smm/smihandler.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/src/cpu/x86/smm/smihandler.c b/src/cpu/x86/smm/smihandler.c
index bd03030c4c..cbd6d44bc7 100644
--- a/src/cpu/x86/smm/smihandler.c
+++ b/src/cpu/x86/smm/smihandler.c
@@ -199,12 +199,9 @@ void smi_handler(u32 smm_revision)
}
/* Call chipset specific SMI handlers. */
- if (cpu_smi_handler)
- cpu_smi_handler(node, &state_save);
- if (northbridge_smi_handler)
- northbridge_smi_handler(node, &state_save);
- if (southbridge_smi_handler)
- southbridge_smi_handler(node, &state_save);
+ cpu_smi_handler(node, &state_save);
+ northbridge_smi_handler(node, &state_save);
+ southbridge_smi_handler(node, &state_save);
smi_restore_pci_address();
@@ -215,3 +212,15 @@ void smi_handler(u32 smm_revision)
/* De-assert SMI# signal to allow another SMI */
smi_set_eos();
}
+
+/* Provide a default implementation for all weak handlers so that relocation
+ * entries in the modules make sense. Without default implementations the
+ * weak relocations w/o a symbol have a 0 address which is where the modules
+ * are linked at. */
+int __attribute__((weak)) mainboard_io_trap_handler(int smif) { return 0; }
+void __attribute__((weak)) cpu_smi_handler(unsigned int node, smm_state_save_area_t *state_save) {}
+void __attribute__((weak)) northbridge_smi_handler(unsigned int node, smm_state_save_area_t *state_save) {}
+void __attribute__((weak)) southbridge_smi_handler(unsigned int node, smm_state_save_area_t *state_save) {}
+void __attribute__((weak)) mainboard_smi_gpi(u32 gpi_sts) {}
+int __attribute__((weak)) mainboard_smi_apmc(u8 data) { return 0; }
+void __attribute__((weak)) mainboard_smi_sleep(u8 slp_typ) {}