diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2021-06-07 23:00:00 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2021-06-12 15:49:35 +0000 |
| commit | 06b2049ab67c305664329b20a673def0f2680af4 (patch) | |
| tree | 71b5ba136e0a2a83586d444416df0da2727de283 /src/arch/x86/include | |
| parent | 401ec98e067985431e8e263f7eecef31348d785c (diff) | |
arch/x86/mptable: Add smp_write_ioapic_from_hw()
Add variant that reads I/O APIC ID and version from
hardware registers.
Change-Id: I01bec5f40c6ea60446a28767c7a1725dc25d0ae3
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55283
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/arch/x86/include')
| -rw-r--r-- | src/arch/x86/include/arch/smp/mpspec.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/smp/mpspec.h b/src/arch/x86/include/arch/smp/mpspec.h index 198d7df4aa..a51399347a 100644 --- a/src/arch/x86/include/arch/smp/mpspec.h +++ b/src/arch/x86/include/arch/smp/mpspec.h @@ -235,6 +235,10 @@ void smp_write_processor(struct mp_config_table *mc, void smp_write_processors(struct mp_config_table *mc); void smp_write_ioapic(struct mp_config_table *mc, u8 id, u8 ver, void *apicaddr); + +/* Call smp_write_ioapic() and return IOAPIC ID field. */ +u8 smp_write_ioapic_from_hw(struct mp_config_table *mc, void *apicaddr); + void smp_write_intsrc(struct mp_config_table *mc, u8 irqtype, u16 irqflag, u8 srcbus, u8 srcbusirq, u8 dstapic, u8 dstirq); |