Commit c8ed8f57 authored by Gerd Hoffmann's avatar Gerd Hoffmann Committed by Michael S. Tsirkin
Browse files

acpi: fadt: add hw-reduced sleep register support 



Add fields to struct AcpiFadtData and update build_fadt() to properly
generate sleep register entries.

Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
Reviewed-by: default avatarIgor Mammedov <imammedo@redhat.com>
Message-Id: <20200520132003.9492-9-kraxel@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 5794d34a

hw/acpi/aml-build.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

include/hw/acpi/acpi-defs.h

+2 −0
Original line number Diff line number Diff line
@@ -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 */