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[v3,08/22] acpi: fadt: add hw-reduced sleep register support

Message ID 20200520132003.9492-9-kraxel@redhat.com (mailing list archive)
State New, archived
Headers show
Series microvm: add acpi support | expand

Commit Message

Gerd Hoffmann May 20, 2020, 1:19 p.m. UTC 
Add fields to struct AcpiFadtData and update build_fadt() to properly
generate sleep register entries.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
---
 include/hw/acpi/acpi-defs.h | 2 ++
 hw/acpi/aml-build.c         | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h
index c13327fa7867..3be9ab504968 100644
--- a/include/hw/acpi/acpi-defs.h
+++ b/include/hw/acpi/acpi-defs.h
@@ -88,6 +88,8 @@  typedef struct AcpiFadtData {
     struct AcpiGenericAddress pm_tmr;    /* PM_TMR_BLK */
     struct AcpiGenericAddress gpe0_blk;  /* GPE0_BLK */
     struct AcpiGenericAddress reset_reg; /* RESET_REG */
+    struct AcpiGenericAddress sleep_ctl; /* SLEEP_CONTROL_REG */
+    struct AcpiGenericAddress sleep_sts; /* SLEEP_STATUS_REG */
     uint8_t reset_val;         /* RESET_VALUE */
     uint8_t  rev;              /* Revision */
     uint32_t flags;            /* Flags */
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 3681ec6e3d88..a894e2581fa2 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1865,9 +1865,9 @@  void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f,
     }
 
     /* SLEEP_CONTROL_REG */
-    build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0);
+    build_append_gas_from_struct(tbl, &f->sleep_ctl);
     /* SLEEP_STATUS_REG */
-    build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0);
+    build_append_gas_from_struct(tbl, &f->sleep_sts);
 
     /* TODO: extra fields need to be added to support revisions above rev5 */
     assert(f->rev == 5);