392a368533
On a multi-processor system, if the BSP dose not know how many APs are online or cannot wake up the AP via broadcast, it can collect AP resouces before wakeing up the AP and add a new HOB to save the processor resouces. Cc: Ray Ni <ray.ni@intel.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Chao Li <lichao@loongson.cn> Reviewed-by: Ray Ni <ray.ni@intel.com>
30 lines
759 B
C
30 lines
759 B
C
/** @file
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Processor resource HOB
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If BSP does not known how many cores are online or the platform cannot
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wake up AP via broadcast, this HOB can be used to store the processor
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resource data that may come from ACPI or FDT, etc.
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Copyright (c) 2024, Loongson Technology Corporation Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef PROCESSOR_RESOURCE_HOB_H_
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#define PROCESSOR_RESOURCE_HOB_H_
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#define PROCESSOR_RESOURCE_HOB_GUID \
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{ \
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0xb855c7fe, 0xa758, 0x701f, { 0xa7, 0x30, 0x87, 0xf3, 0x9c, 0x03, 0x46, 0x7e } \
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}
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typedef struct {
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UINT32 NumberOfProcessor;
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UINTN ApicId[];
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} PROCESSOR_RESOURCE_DATA;
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extern EFI_GUID gProcessorResourceHobGuid;
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#endif
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