[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v3 40/62] arm/acpi: Estimate memory required for acpi/efi tables
Hi Shannon, On 17/11/15 09:40, shannon.zhao@xxxxxxxxxx wrote: > diff --git a/xen/common/efi/boot.c b/xen/common/efi/boot.c > index 53c7452..78d8ae9 100644 > --- a/xen/common/efi/boot.c > +++ b/xen/common/efi/boot.c > @@ -13,6 +13,7 @@ > #include <xen/multiboot.h> > #include <xen/pci_regs.h> > #include <xen/pfn.h> > +#include <asm/acpi.h> > #if EFI_PAGE_SIZE != PAGE_SIZE > # error Cannot use xen/pfn.h here! > #endif > @@ -1171,6 +1172,26 @@ efi_start(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE > *SystemTable) > for( ; ; ); /* not reached */ > } > > +#ifdef CONFIG_ACPI > +/* Constant to indicate "Xen" in unicode u16 format */ > +static const u16 XEN_EFI_FW_VENDOR[] ={0x0058,0x0065,0x006E,0x0000}; > + > +int __init estimate_efi_size(int mem_nr_banks) > +{ > + int size; > + int est_size = sizeof(EFI_SYSTEM_TABLE); > + int ect_size = sizeof(EFI_CONFIGURATION_TABLE); > + int emd_size = sizeof(EFI_MEMORY_DESCRIPTOR); > + int fw_vendor_size = sizeof(XEN_EFI_FW_VENDOR); > + > + size = PAGE_ALIGN(est_size + ect_size + fw_vendor_size) > + + PAGE_ALIGN(emd_size * > + (mem_nr_banks + acpi_mem.nr_banks + TBL_MMAX)); > + > + return size; > +} > +#endif > + efi/boot.c only contains code related to the stub EFI. This is not the case of this code. Moreover, this code won't compile on x86 because acpi_mem is only defined for ARM. Regards, -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |