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acpi: fadt: add hw-reduced sleep register support

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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>
Message-Id: <20200520132003.9492-9-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gerd Hoffmann 2020-05-20 15:19:49 +02:00 committed by Michael S. Tsirkin
parent 5794d34a13
commit c8ed8f57cc
2 changed files with 4 additions and 2 deletions
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4
hw/acpi/aml-build.c
View File

@ -1866,9 +1866,9 @@ 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);

2
include/hw/acpi/acpi-defs.h
View File

@ -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 */