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lib: sbi_scratch: Introduce sbi_scratch_last_hartid() API

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The patch adds sbi_scratch_last_hartid() API which returns
last HART id having a scratch space. We can use this new API
to optimize places where we iterate over HART id from 0 to
SBI_HARTMASK_MAX_BITS.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Anup Patel
2020-03-26 18:35:38 +05:30
committed by Anup Patel
parent 5b6957eed7
commit dd0f21c560
4 changed files with 13 additions and 4 deletions
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4
lib/sbi/sbi_hsm.c
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@@ -88,7 +88,7 @@ bool sbi_hsm_hart_started(u32 hartid)
int sbi_hsm_hart_started_mask(ulong hbase, ulong *out_hmask)
{
ulong i;
ulong hcount = SBI_HARTMASK_MAX_BITS;
ulong hcount = sbi_scratch_last_hartid() + 1;
*out_hmask = 0;
if (hcount <= hbase)
@@ -153,7 +153,7 @@ int sbi_hsm_init(struct sbi_scratch *scratch, u32 hartid, bool cold_boot)
return SBI_ENOMEM;
/* Initialize hart state data for every hart */
for (i = 0; i < SBI_HARTMASK_MAX_BITS; i++) {
for (i = 0; i <= sbi_scratch_last_hartid(); i++) {
rscratch = sbi_hartid_to_scratch(i);
if (!rscratch)
continue;