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hw/acpi: Introduce acpi_builtin() helper

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acpi_builtin() can be used to check at runtime whether
the ACPI subsystem is built in a qemu-system binary.

Reviewed-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250307223949.54040-3-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2025-03-07 16:01:31 +01:00
parent 44ac8eaff0
commit e6ffea40e2
3 changed files with 13 additions and 0 deletions
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5
hw/acpi/acpi-stub.c
View file

@ -25,3 +25,8 @@ void acpi_table_add(const QemuOpts *opts, Error **errp)
{ {
g_assert_not_reached(); g_assert_not_reached();
} }
bool acpi_builtin(void)
{
return false;
}

5
hw/acpi/core.c
View file

@ -78,6 +78,11 @@ static void acpi_register_config(void)
opts_init(acpi_register_config); opts_init(acpi_register_config);
bool acpi_builtin(void)
{
return true;
}
static int acpi_checksum(const uint8_t *data, int len) static int acpi_checksum(const uint8_t *data, int len)
{ {
int sum, i; int sum, i;

3
include/hw/acpi/acpi.h
View file

@ -150,6 +150,9 @@ struct ACPIREGS {
Notifier wakeup; Notifier wakeup;
}; };
/* Return whether ACPI subsystem is built in */
bool acpi_builtin(void);
/* PM_TMR */ /* PM_TMR */
void acpi_pm_tmr_update(ACPIREGS *ar, bool enable); void acpi_pm_tmr_update(ACPIREGS *ar, bool enable);
void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar); void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar);