summaryrefslogtreecommitdiff
path: root/drivers/firmware/efi/efi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/firmware/efi/efi.c')
-rw-r--r--drivers/firmware/efi/efi.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 7309394b8fc9..1ce428e2ac8a 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -45,6 +45,7 @@ struct efi __read_mostly efi = {
.esrt = EFI_INVALID_TABLE_ADDR,
.tpm_log = EFI_INVALID_TABLE_ADDR,
.tpm_final_log = EFI_INVALID_TABLE_ADDR,
+ .ovmf_debug_log = EFI_INVALID_TABLE_ADDR,
#ifdef CONFIG_LOAD_UEFI_KEYS
.mokvar_table = EFI_INVALID_TABLE_ADDR,
#endif
@@ -473,6 +474,10 @@ static int __init efisubsys_init(void)
platform_device_register_simple("efi_secret", 0, NULL, 0);
#endif
+ if (IS_ENABLED(CONFIG_OVMF_DEBUG_LOG) &&
+ efi.ovmf_debug_log != EFI_INVALID_TABLE_ADDR)
+ ovmf_log_probe(efi.ovmf_debug_log);
+
return 0;
err_remove_group:
@@ -558,6 +563,7 @@ int __efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md)
extern int efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md)
__weak __alias(__efi_mem_desc_lookup);
+EXPORT_SYMBOL_GPL(efi_mem_desc_lookup);
/*
* Calculate the highest address of an efi memory descriptor.
@@ -616,6 +622,9 @@ static const efi_config_table_type_t common_tables[] __initconst = {
{LINUX_EFI_MEMRESERVE_TABLE_GUID, &mem_reserve, "MEMRESERVE" },
{LINUX_EFI_INITRD_MEDIA_GUID, &initrd, "INITRD" },
{EFI_RT_PROPERTIES_TABLE_GUID, &rt_prop, "RTPROP" },
+#ifdef CONFIG_OVMF_DEBUG_LOG
+ {OVMF_MEMORY_LOG_TABLE_GUID, &efi.ovmf_debug_log, "OvmfDebugLog" },
+#endif
#ifdef CONFIG_EFI_RCI2_TABLE
{DELLEMC_EFI_RCI2_TABLE_GUID, &rci2_table_phys },
#endif