efi/libstub: Move get_dram_base() into arm-stub.c
get_dram_base() is only called from arm-stub.c so move it into the same source file as its caller. Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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@ -88,6 +88,39 @@ void install_memreserve_table(void)
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pr_efi_err("Failed to install memreserve config table!\n");
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}
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static unsigned long get_dram_base(void)
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{
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efi_status_t status;
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unsigned long map_size, buff_size;
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unsigned long membase = EFI_ERROR;
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struct efi_memory_map map;
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efi_memory_desc_t *md;
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struct efi_boot_memmap boot_map;
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boot_map.map = (efi_memory_desc_t **)&map.map;
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boot_map.map_size = &map_size;
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boot_map.desc_size = &map.desc_size;
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boot_map.desc_ver = NULL;
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boot_map.key_ptr = NULL;
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boot_map.buff_size = &buff_size;
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status = efi_get_memory_map(&boot_map);
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if (status != EFI_SUCCESS)
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return membase;
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map.map_end = map.map + map_size;
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for_each_efi_memory_desc_in_map(&map, md) {
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if (md->attribute & EFI_MEMORY_WB) {
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if (membase > md->phys_addr)
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membase = md->phys_addr;
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}
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}
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efi_bs_call(free_pool, map.map);
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return membase;
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}
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/*
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* This function handles the architcture specific differences between arm and
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@ -75,41 +75,6 @@ void efi_printk(char *str)
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}
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}
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unsigned long get_dram_base(void)
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{
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efi_status_t status;
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unsigned long map_size, buff_size;
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unsigned long membase = EFI_ERROR;
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struct efi_memory_map map;
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efi_memory_desc_t *md;
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struct efi_boot_memmap boot_map;
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boot_map.map = (efi_memory_desc_t **)&map.map;
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boot_map.map_size = &map_size;
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boot_map.desc_size = &map.desc_size;
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boot_map.desc_ver = NULL;
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boot_map.key_ptr = NULL;
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boot_map.buff_size = &buff_size;
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status = efi_get_memory_map(&boot_map);
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if (status != EFI_SUCCESS)
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return membase;
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map.map_end = map.map + map_size;
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for_each_efi_memory_desc_in_map(&map, md) {
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if (md->attribute & EFI_MEMORY_WB) {
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if (membase > md->phys_addr)
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membase = md->phys_addr;
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}
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}
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efi_bs_call(free_pool, map.map);
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return membase;
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}
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static efi_status_t efi_file_size(void *__fh, efi_char16_t *filename_16,
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void **handle, u64 *file_sz)
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{
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@ -549,8 +549,6 @@ efi_status_t efi_exit_boot_services(void *handle,
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void efi_char16_printk(efi_char16_t *);
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unsigned long get_dram_base(void);
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efi_status_t allocate_new_fdt_and_exit_boot(void *handle,
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unsigned long *new_fdt_addr,
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unsigned long max_addr,
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