[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v3 52/62] arm/acpi: Prepare EFI memory descriptor for Dom0
From: Shannon Zhao <shannon.zhao@xxxxxxxxxx> Create a few EFI memory descriptors to tell Dom0 the RAM region information, ACPI table regions and EFI tables reserved resions. Signed-off-by: Parth Dixit <parth.dixit@xxxxxxxxxx> Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx> --- xen/arch/arm/domain_build.c | 2 ++ xen/common/efi/boot.c | 48 +++++++++++++++++++++++++++++++++++++++++++++ xen/include/asm-arm/setup.h | 4 ++++ 3 files changed, 54 insertions(+) diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index 9d667ea..073c634 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -1737,6 +1737,8 @@ static int prepare_acpi(struct domain *d, struct kernel_info *kinfo) acpi_map_rest_tables(d); acpi_create_efi_system_table(d->arch.efi_acpi_gpa, d->arch.efi_acpi_table, tbl_add); + acpi_create_efi_mmap_table(d->arch.efi_acpi_gpa, d->arch.efi_acpi_table, + &kinfo->mem, tbl_add); return 0; } diff --git a/xen/common/efi/boot.c b/xen/common/efi/boot.c index 75835ae..ff2faed 100644 --- a/xen/common/efi/boot.c +++ b/xen/common/efi/boot.c @@ -1256,6 +1256,54 @@ void __init acpi_create_efi_system_table(paddr_t paddr, void *efi_acpi_table, tbl_add[TBL_EFIT].start = table_addr; tbl_add[TBL_EFIT].size = table_size; } + +void __init acpi_create_efi_mmap_table(paddr_t paddr, void *efi_acpi_table, + const struct meminfo *mem, + struct membank tbl_add[]) +{ + EFI_MEMORY_DESCRIPTOR *memory_map; + int i, offset; + u8 *base_ptr; + + tbl_add[TBL_MMAP].start = paddr + acpi_get_table_offset(tbl_add, TBL_MMAP); + tbl_add[TBL_MMAP].size = sizeof(EFI_MEMORY_DESCRIPTOR) + * (mem->nr_banks + acpi_mem.nr_banks + TBL_MMAX); + base_ptr = efi_acpi_table + acpi_get_table_offset(tbl_add, TBL_MMAP); + memory_map = (EFI_MEMORY_DESCRIPTOR *)(base_ptr); + + offset = 0; + for( i = 0; i < mem->nr_banks; i++, offset++ ) + { + memory_map[offset].Type = EfiConventionalMemory; + memory_map[offset].PhysicalStart = mem->bank[i].start; + memory_map[offset].NumberOfPages = mem->bank[i].size/PAGE_SIZE; + memory_map[offset].Attribute = EFI_MEMORY_WB; + } + + for( i = 0; i < acpi_mem.nr_banks; i++, offset++ ) + { + memory_map[offset].Type = EfiACPIReclaimMemory; + memory_map[offset].PhysicalStart = acpi_mem.bank[i].start; + memory_map[offset].NumberOfPages = acpi_mem.bank[i].size/PAGE_SIZE; + memory_map[offset].Attribute = EFI_MEMORY_WB; + } + + for( i = 0; i < TBL_EFIT; i++, offset++ ) + { + memory_map[offset].Type = EfiACPIReclaimMemory; + memory_map[offset].PhysicalStart = tbl_add[i].start; + memory_map[offset].NumberOfPages =tbl_add[i].size/PAGE_SIZE; + memory_map[offset].Attribute = EFI_MEMORY_WB; + } + + for( i = TBL_EFIT; i < TBL_MMAX; i++, offset++ ) + { + memory_map[offset].Type = EfiReservedMemoryType; + memory_map[offset].PhysicalStart = tbl_add[i].start; + memory_map[offset].NumberOfPages =tbl_add[i].size/PAGE_SIZE; + memory_map[offset].Attribute = EFI_MEMORY_WB; + } +} #endif #ifndef CONFIG_ARM /* TODO - runtime service support */ diff --git a/xen/include/asm-arm/setup.h b/xen/include/asm-arm/setup.h index 2d65796..35447ee 100644 --- a/xen/include/asm-arm/setup.h +++ b/xen/include/asm-arm/setup.h @@ -56,6 +56,10 @@ int estimate_efi_size(int mem_nr_banks); void acpi_create_efi_system_table(paddr_t paddr, void *efi_acpi_table, struct membank tbl_add[]); +void acpi_create_efi_mmap_table(paddr_t paddr, void *efi_acpi_table, + const struct meminfo *mem, + struct membank tbl_add[]); + int construct_dom0(struct domain *d); void discard_initial_modules(void); -- 2.1.0 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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