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| author | Bibo Mao <maobibo@loongson.cn> | 2024-09-18 09:42:05 +0800 |
|---|---|---|
| committer | Song Gao <gaosong@loongson.cn> | 2024-10-16 15:56:42 +0800 |
| commit | edafc90ba481c586d0a649f34dcb8cd1f29c4259 (patch) | |
| tree | 6e17abd047fc87b7ac54756eab4beb3736d8f222 | |
| parent | f774a677507966222624a9b2859f06ede7608100 (diff) | |
| download | qemu-edafc90ba481c586d0a649f34dcb8cd1f29c4259.zip qemu-edafc90ba481c586d0a649f34dcb8cd1f29c4259.tar.gz qemu-edafc90ba481c586d0a649f34dcb8cd1f29c4259.tar.bz2 | |
acpi: ged: Add macro for acpi sleep control register
Macro definition is added for acpi sleep control register, ged emulation
driver can use the macro , also it can be used in FDT table if ged is
exposed with FDT table.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20240918014206.2165821-2-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
| -rw-r--r-- | hw/acpi/generic_event_device.c | 6 | ||||
| -rw-r--r-- | include/hw/acpi/generic_event_device.h | 7 |
2 files changed, 8 insertions, 5 deletions
diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c index 15b4c3e..d00f5a6 100644 --- a/hw/acpi/generic_event_device.c +++ b/hw/acpi/generic_event_device.c @@ -201,9 +201,9 @@ static void ged_regs_write(void *opaque, hwaddr addr, uint64_t data, switch (addr) { case ACPI_GED_REG_SLEEP_CTL: - slp_typ = (data >> 2) & 0x07; - slp_en = (data >> 5) & 0x01; - if (slp_en && slp_typ == 5) { + slp_typ = (data >> ACPI_GED_SLP_TYP_POS) & ACPI_GED_SLP_TYP_MASK; + slp_en = !!(data & ACPI_GED_SLP_EN); + if (slp_en && slp_typ == ACPI_GED_SLP_TYP_S5) { qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); } return; diff --git a/include/hw/acpi/generic_event_device.h b/include/hw/acpi/generic_event_device.h index 40af355..d2dac87 100644 --- a/include/hw/acpi/generic_event_device.h +++ b/include/hw/acpi/generic_event_device.h @@ -81,8 +81,11 @@ OBJECT_DECLARE_SIMPLE_TYPE(AcpiGedState, ACPI_GED) /* ACPI_GED_REG_RESET value for reset*/ #define ACPI_GED_RESET_VALUE 0x42 -/* ACPI_GED_REG_SLEEP_CTL.SLP_TYP value for S5 (aka poweroff) */ -#define ACPI_GED_SLP_TYP_S5 0x05 +/* [ACPI 5.0 Chapter 4.8.3.7] Sleep Control and Status Register */ +#define ACPI_GED_SLP_TYP_POS 0x2 /* SLP_TYPx Bit Offset */ +#define ACPI_GED_SLP_TYP_MASK 0x07 /* SLP_TYPx 3-bit mask */ +#define ACPI_GED_SLP_TYP_S5 0x05 /* System _S5 State (Soft Off) */ +#define ACPI_GED_SLP_EN 0x20 /* SLP_EN write-only bit */ #define GED_DEVICE "GED" #define AML_GED_EVT_REG "EREG" |