This patch adds a config option for loading ACPI table from QEMU. When enabled, U-Boot won't generate ACPI tables, but use those provided by QEMU.
Signed-off-by: Miao Yan yanmiaobest@gmail.com --- arch/x86/Kconfig | 9 +++++++++ arch/x86/cpu/qemu/Makefile | 2 ++ arch/x86/lib/Makefile | 2 ++ 3 files changed, 13 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f07567c..26c8d83 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -358,6 +358,15 @@ config GENERATE_ACPI_TABLE by the operating system. It defines platform-independent interfaces for configuration and power management monitoring.
+config QEMU_ACPI_TABLE + bool "load ACPI table from QEMU fw_cfg interface" + depends on GENERATE_ACPI_TABLE && QEMU + default y + help + By default, U-Boot generates its own ACPI tables. This option, if + enabled, disables U-Boot's version and loads ACPI tables generated + by QEMU. + config GENERATE_SMBIOS_TABLE bool "Generate an SMBIOS (System Management BIOS) table" default y diff --git a/arch/x86/cpu/qemu/Makefile b/arch/x86/cpu/qemu/Makefile index 176ea54..801413a 100644 --- a/arch/x86/cpu/qemu/Makefile +++ b/arch/x86/cpu/qemu/Makefile @@ -8,4 +8,6 @@ ifndef CONFIG_EFI_STUB obj-y += car.o dram.o endif obj-y += cpu.o fw_cfg.o qemu.o +ifndef CONFIG_QEMU_ACPI_TABLE obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi.o dsdt.o +endif diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index cd5ecb6..75719e3 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -32,7 +32,9 @@ obj-$(CONFIG_X86_RAMTEST) += ramtest.o obj-y += sfi.o obj-$(CONFIG_GENERATE_SMBIOS_TABLE) += smbios.o obj-y += string.o +ifndef CONFIG_QEMU_ACPI_TABLE obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi_table.o +endif obj-y += tables.o obj-$(CONFIG_CMD_ZBOOT) += zimage.o obj-$(CONFIG_HAVE_FSP) += fsp/