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acrn-config: round HI_MMIO_START/HI_MMIO_END to the closest 1G

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Rounding HI_MMIO_START, HI_MMIO_END to the closest 1G. This avoids
round up logic in the hypervisor.

Tracked-On: #4586
Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
This commit is contained in:
Sainath Grandhi 2020-04-09 23:11:30 -07:00 committed by wenlingz
parent b922934867
commit 5e8fd7581e
2 changed files with 5 additions and 2 deletions
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4
misc/acrn-config/board_config/misc_cfg_h.py
View File

@ -106,8 +106,8 @@ def find_hi_mmio_window(config):
print("", file=config)
if is_hi_mmio:
print("#define HI_MMIO_START\t\t0x%xUL" % mmio_min, file=config)
print("#define HI_MMIO_END\t\t0x%xUL" % mmio_max, file=config)
print("#define HI_MMIO_START\t\t0x%xUL" % common.round_down(mmio_min, common.SIZE_G), file=config)
print("#define HI_MMIO_END\t\t0x%xUL" % common.round_up(mmio_max, common.SIZE_G), file=config)
else:
print("#define HI_MMIO_START\t\t~0UL", file=config)
print("#define HI_MMIO_END\t\t0UL", file=config)

3
misc/acrn-config/library/common.py
View File

@ -466,6 +466,9 @@ def undline_name(name):
return name_str
def round_down(addr, mem_align):
"""Keep memory align"""
return (addr & (~(mem_align - 1)))
def round_up(addr, mem_align):
"""Keep memory align"""