mb/emulation/qemu-q35: Control SMI related FADT entries

If running on older (like before 2.4.0) version of QEMU there is
no SMI support, so never advertise SMI in FADT for the emulation.
Behaviour if ACPI daemon tries to raise SMI under these conditions
is unknown.

Change-Id: I170058793798648c6713de1530d89ec2ac53e39a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41907
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Kyösti Mälkki 2019-11-23 07:23:40 +02:00 committed by Patrick Georgi
parent 9145ce2149
commit 2e270ae297
1 changed files with 7 additions and 6 deletions

View File

@ -42,11 +42,13 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
fadt->reserved = 0x00;
fadt->preferred_pm_profile = PM_MOBILE;
fadt->sci_int = 0x9;
fadt->smi_cmd = 0;
fadt->acpi_enable = 0;
fadt->acpi_disable = 0;
fadt->s4bios_req = 0x0;
fadt->pstate_cnt = 0;
if (CONFIG(HAVE_SMI_HANDLER)) {
/* Do not advertise SMI even if installed. */
fadt->smi_cmd = 0;
fadt->acpi_enable = 0;
fadt->acpi_disable = 0;
}
fadt->pm1a_evt_blk = pmbase;
fadt->pm1b_evt_blk = 0x0;
@ -65,7 +67,6 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
fadt->gpe0_blk_len = 16;
fadt->gpe1_blk_len = 0;
fadt->gpe1_base = 0;
fadt->cst_cnt = 0;
fadt->p_lvl2_lat = 1;
fadt->p_lvl3_lat = 0x39;
fadt->flush_size = 0;