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lib: utils: Make the enforce permission bit configurable from DT

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The domain_support.md documentation states that the enforce permission
bit (BIT[6]) could be set in the "regions" property of a domain
instance DT node. However, this bit is masked in the current
implementation. This patch unmasks the bit to make it configurable
from DT.

Signed-off-by: Chao Du <duchao@eswincomputing.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Chao Du
2025-01-07 02:43:14 +00:00
committed by Anup Patel
parent a76aca030d
commit 3f25380d85
1 changed files with 3 additions and 1 deletions
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4
lib/utils/fdt/fdt_domain.c
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@@ -289,8 +289,10 @@ static int __fdt_parse_region(const void *fdt, int domain_offset,
return SBI_EINVAL; return SBI_EINVAL;
order = val32; order = val32;
flags = region_access & (SBI_DOMAIN_MEMREGION_ACCESS_MASK
| SBI_DOMAIN_MEMREGION_ENF_PERMISSIONS);
/* Read "mmio" DT property */ /* Read "mmio" DT property */
flags = region_access & SBI_DOMAIN_MEMREGION_ACCESS_MASK;
if (fdt_get_property(fdt, region_offset, "mmio", NULL)) if (fdt_get_property(fdt, region_offset, "mmio", NULL))
flags |= SBI_DOMAIN_MEMREGION_MMIO; flags |= SBI_DOMAIN_MEMREGION_MMIO;