diff options
Diffstat (limited to 'tools/firmware')
| -rw-r--r-- | tools/firmware/hvmloader/acpi/static_tables.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/tools/firmware/hvmloader/acpi/static_tables.c b/tools/firmware/hvmloader/acpi/static_tables.c index f98c8d2d10..323ae3124c 100644 --- a/tools/firmware/hvmloader/acpi/static_tables.c +++ b/tools/firmware/hvmloader/acpi/static_tables.c @@ -136,11 +136,15 @@ struct acpi_20_rsdp Rsdp = { .length = sizeof(struct acpi_20_rsdp) }; -#define ACPI_WAET_RTC_GOOD 0x00000001 -#define ACPI_WAET_PM_TIMER_GOOD 0x00000002 +#define ACPI_WAET_RTC_NO_ACK (1<<0) /* RTC requires no int acknowledge */ +#define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */ -#define ACPI_WAET_FLAGS (ACPI_WAET_RTC_GOOD | \ - ACPI_WAET_PM_TIMER_GOOD) +/* + * The state of the RTC flag getting passed to the guest must be in + * sync with the mode selection in the hypervisor RTC emulation code. + */ +#define ACPI_WAET_FLAGS (ACPI_WAET_RTC_NO_ACK | \ + ACPI_WAET_TIMER_ONE_READ) struct acpi_20_waet Waet = { .header = { |