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lib: sbi: Add sbi_domain_root_add_memrange() API

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This patch generalizes the logic to add a memory range with desired
alignment and flags of consecutive regions to the root domain.

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Yu Chien Peter Lin
2022-10-14 08:32:42 +08:00
committed by Anup Patel
parent 60b78fee92
commit dcdaf30274
4 changed files with 57 additions and 36 deletions
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27
lib/sbi/sbi_domain.c
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@@ -522,6 +522,33 @@ int sbi_domain_root_add_memregion(const struct sbi_domain_memregion *reg)
return 0;
}
int sbi_domain_root_add_memrange(unsigned long addr, unsigned long size,
unsigned long align, unsigned long region_flags)
{
int rc;
unsigned long pos, end, rsize;
struct sbi_domain_memregion reg;
pos = addr;
end = addr + size;
while (pos < end) {
rsize = pos & (align - 1);
if (rsize)
rsize = 1UL << sbi_ffs(pos);
else
rsize = ((end - pos) < align) ?
(end - pos) : align;
sbi_domain_memregion_init(pos, rsize, region_flags, &reg);
rc = sbi_domain_root_add_memregion(&reg);
if (rc)
return rc;
pos += rsize;
}
return 0;
}
int sbi_domain_finalize(struct sbi_scratch *scratch, u32 cold_hartid)
{
int rc;