[PATCH 1/2] acpi: ged: Add macro for acpi ged sleep register

[Bibo Mao]

Macro definition is added for acpi ged sleep register, so that ged
emulation driver can use this, also it can be used in FDT table if
ged is exposed with FDT table.

Signed-off-by: Bibo Mao <maob...@loongson.cn>
---
 hw/acpi/generic_event_device.c         | 6 +++---
 include/hw/acpi/generic_event_device.h | 3 +++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c
index 15b4c3ebbf..10a338877c 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_MASK) >> ACPI_GED_SLP_TYP_SHIFT;
+        slp_en  = !!(data  & ACPI_GED_SLP_ENABLE);
+        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 40af3550b5..526fea6efe 100644
--- a/include/hw/acpi/generic_event_device.h
+++ b/include/hw/acpi/generic_event_device.h
@@ -82,7 +82,10 @@ OBJECT_DECLARE_SIMPLE_TYPE(AcpiGedState, ACPI_GED)
 #define ACPI_GED_RESET_VALUE       0x42
 
 /* ACPI_GED_REG_SLEEP_CTL.SLP_TYP value for S5 (aka poweroff) */
+#define ACPI_GED_SLP_TYP_SHIFT     0x02
 #define ACPI_GED_SLP_TYP_S5        0x05
+#define ACPI_GED_SLP_TYP_MASK      0x1C
+#define ACPI_GED_SLP_ENABLE        0x20
 
 #define GED_DEVICE      "GED"
 #define AML_GED_EVT_REG "EREG"
-- 
2.39.3