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acrn-config: add comments to the generated misc_cfg.h code

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Comments will be added for the HV_SUPPORTED_MAX_CLOS/MAX_MBA_CLOS_NUM_ENTRIES/MAX_CACHE_CLOS_NUM_ENTRIES
macros in generated code

Tracked-On: #5229
Signed-off-by: dongshen <dongsheng.x.zhang@intel.com>
This commit is contained in:
dongshen 2020-09-09 13:05:45 -07:00 committed by wenlingz
parent ef9a961523
commit f8056871ad
1 changed files with 34 additions and 0 deletions
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34
misc/acrn-config/board_config/misc_cfg_h.py
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@ -353,6 +353,26 @@ def generate_file(config):
max_mba_clos_entries = common_clos_max
max_cache_clos_entries = common_clos_max
comments_max_clos = '''
/*
* The maximum CLOS that is allowed by ACRN hypervisor,
* its value is set to be least common Max CLOS (CPUID.(EAX=0x10,ECX=ResID):EDX[15:0])
* among all supported RDT resources in the platform. In other words, it is
* min(maximum CLOS of L2, L3 and MBA). This is done in order to have consistent
* CLOS allocations between all the RDT resources.
*/'''
comments_max_mba_clos = '''
/*
* Max number of Cache Mask entries corresponding to each CLOS.
* This can vary if CDP is enabled vs disabled, as each CLOS entry
* will have corresponding cache mask values for Data and Code when
* CDP is enabled.
*/'''
comments_max_cache_clos = '''
/* Max number of MBA delay entries corresponding to each CLOS. */'''
if board_cfg_lib.is_cdp_enabled():
max_cache_clos_entries_cdp_enable = 2 * common_clos_max
(res_info, rdt_res_clos_max, clos_max_mask_list) = board_cfg_lib.clos_info_parser(common.BOARD_INFO_FILE)
@ -360,17 +380,31 @@ def generate_file(config):
print("#ifdef CONFIG_RDT_ENABLED", file=config)
print("#ifdef CONFIG_CDP_ENABLED", file=config)
print(comments_max_clos, file=config)
print("#define HV_SUPPORTED_MAX_CLOS\t{}U".format(common_clos_max), file=config)
print(comments_max_cache_clos, file=config)
print("#define MAX_CACHE_CLOS_NUM_ENTRIES\t{}U".format(max_cache_clos_entries_cdp_enable), file=config)
print("#else", file=config)
print(comments_max_clos, file=config)
print("#define HV_SUPPORTED_MAX_CLOS\t{}U".format(common_clos_max_cdp_disable), file=config)
print(comments_max_cache_clos, file=config)
print("#define MAX_CACHE_CLOS_NUM_ENTRIES\t{}U".format(max_cache_clos_entries), file=config)
print("#endif", file=config)
print(comments_max_mba_clos, file=config)
print("#define MAX_MBA_CLOS_NUM_ENTRIES\t{}U".format(max_mba_clos_entries), file=config)
else:
print("#ifdef CONFIG_RDT_ENABLED", file=config)
print(comments_max_clos, file=config)
print("#define HV_SUPPORTED_MAX_CLOS\t{}U".format(common_clos_max), file=config)
print(comments_max_mba_clos, file=config)
print("#define MAX_MBA_CLOS_NUM_ENTRIES\t{}U".format(max_mba_clos_entries), file=config)
print(comments_max_cache_clos, file=config)
print("#define MAX_CACHE_CLOS_NUM_ENTRIES\t{}U".format(max_cache_clos_entries), file=config)
if not board_cfg_lib.is_rdt_supported():
print("#endif", file=config)