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WIP ahci get building on riscv which seems to not have a ffs() implementation in libgcc

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Travis Geiselbrecht
2022-02-06 16:03:02 -08:00
committed by Travis Geiselbrecht
parent 28e8bf546e
commit f16fd2e9c6
1 changed files with 1 additions and 1 deletions
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dev/block/ahci/port.cpp
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@@ -156,7 +156,7 @@ int ahci_port::find_free_cmdslot() {
return -1;
}
int avail = __builtin_ffs(~all_slots) - 1;
int avail = __builtin_clz(~all_slots);
LTRACEF("avail %u\n", avail);
return avail;