If CONFIG_GENERATE_ACPI_TABLES=y, read the ACPI tables provided by QEMU and make them available to U-Boot.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- v2: no change --- board/emulation/qemu-riscv/qemu-riscv.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/board/emulation/qemu-riscv/qemu-riscv.c b/board/emulation/qemu-riscv/qemu-riscv.c index 181abbbf97..2cebce2128 100644 --- a/board/emulation/qemu-riscv/qemu-riscv.c +++ b/board/emulation/qemu-riscv/qemu-riscv.c @@ -4,17 +4,20 @@ */
#include <common.h> +#include <acpi/acpi_table.h> #include <dm.h> #include <dm/ofnode.h> #include <env.h> #include <fdtdec.h> #include <image.h> #include <log.h> +#include <malloc.h> #include <spl.h> #include <init.h> #include <usb.h> #include <virtio_types.h> #include <virtio.h> +#include <linux/sizes.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -46,6 +49,20 @@ int board_late_init(void) if (CONFIG_IS_ENABLED(USB_KEYBOARD)) usb_init();
+ if (IS_ENABLED(CONFIG_GENERATE_ACPI_TABLE)) { + uintptr_t addr; + void *ptr; + + /* Reserve 64K for ACPI tables, aligned to a 4K boundary */ + ptr = memalign(SZ_4K, SZ_64K); + addr = (uintptr_t)ptr; + + /* Generate ACPI tables */ + write_acpi_tables(addr); + gd->arch.table_start = addr; + gd->arch.table_end = addr; + } + return 0; }