#include <asm/mmu.h>
#include <asm/mpspec.h>
#include <asm/realmode.h>
+#include <asm/x86_init.h>
#ifdef CONFIG_ACPI_APEI
# include <asm/pgtable_types.h>
return !!acpi_lapic;
}
+#define ACPI_HAVE_ARCH_GET_ROOT_POINTER
+static inline u64 acpi_arch_get_root_pointer(void)
+{
+ return x86_init.acpi.get_root_pointer();
+}
+
#else /* !CONFIG_ACPI */
#define acpi_lapic 0
void (*init_mem_mapping)(void);
};
+/**
+ * struct x86_init_acpi - x86 ACPI init functions
+ * @get_root_pointer: get RSDP address
+ */
+struct x86_init_acpi {
+ u64 (*get_root_pointer)(void);
+};
+
/**
* struct x86_init_ops - functions for platform specific setup
*
struct x86_init_iommu iommu;
struct x86_init_pci pci;
struct x86_hyper_init hyper;
+ struct x86_init_acpi acpi;
};
/**
void iommu_shutdown_noop(void) { }
bool __init bool_x86_init_noop(void) { return false; }
void x86_op_int_noop(int cpu) { }
+u64 u64_x86_init_noop(void) { return 0; }
/*
* The platform setup functions are preset with the default functions
.x2apic_available = bool_x86_init_noop,
.init_mem_mapping = x86_init_noop,
},
+
+ .acpi = {
+ .get_root_pointer = u64_x86_init_noop,
+ },
};
struct x86_cpuinit_ops x86_cpuinit = {