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lib: sbi: Use sbi_hartmask in sbi_hsm_hart_interruptible_mask()

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This removes several hartid/hartindex conversions, as well as two loops
through the mask for broadcast IPIs.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Samuel Holland
2024-08-30 08:49:13 -07:00
committed by Anup Patel
parent ebe0f31446
commit fe153c5516
6 changed files with 52 additions and 56 deletions
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32
lib/sbi/sbi_ipi.c
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@@ -111,31 +111,25 @@ int sbi_ipi_send_many(ulong hmask, ulong hbase, u32 event, void *data)
{
int rc = 0;
bool retry_needed;
ulong i, m;
struct sbi_hartmask target_mask = {0};
ulong i;
struct sbi_hartmask target_mask;
struct sbi_domain *dom = sbi_domain_thishart_ptr();
struct sbi_scratch *scratch = sbi_scratch_thishart_ptr();
/* Find the target harts */
if (hbase != -1UL) {
rc = sbi_hsm_hart_interruptible_mask(dom, hbase, &m);
if (rc)
return rc;
m &= hmask;
rc = sbi_hsm_hart_interruptible_mask(dom, &target_mask);
if (rc)
return rc;
for (i = hbase; m; i++, m >>= 1) {
if (m & 1UL)
sbi_hartmask_set_hartid(i, &target_mask);
}
} else {
hbase = 0;
while (!sbi_hsm_hart_interruptible_mask(dom, hbase, &m)) {
for (i = hbase; m; i++, m >>= 1) {
if (m & 1UL)
sbi_hartmask_set_hartid(i, &target_mask);
}
hbase += BITS_PER_LONG;
if (hbase != -1UL) {
struct sbi_hartmask tmp_mask = { 0 };
for (i = hbase; hmask; i++, hmask >>= 1) {
if (hmask & 1UL)
sbi_hartmask_set_hartid(i, &tmp_mask);
}
sbi_hartmask_and(&target_mask, &target_mask, &tmp_mask);
}
/* Send IPIs */